From 4684239efa63dc1b2c1cbe37ef7d3062029f5532 Mon Sep 17 00:00:00 2001 From: Bryan Newbold Date: Mon, 20 Feb 2017 00:05:40 -0800 Subject: Import Upstream version 3b1 --- slib.info | 2812 +++++++++++++++++++++++++++++++------------------------------ 1 file changed, 1448 insertions(+), 1364 deletions(-) (limited to 'slib.info') diff --git a/slib.info b/slib.info index 6535625..d4c570a 100644 --- a/slib.info +++ b/slib.info @@ -1,17 +1,17 @@ This is slib.info, produced by makeinfo version 4.8 from slib.texi. -This manual is for SLIB (version 3a5, November 2007), the portable | +This manual is for SLIB (version 3b1, February 2008), the portable | Scheme library. Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, -2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. | +2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. | Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software - Foundation; with no Invariant Sections, no Front-Cover Texts, and | - no Back-Cover Texts. A copy of the license is included in the | - section entitled "GNU Free Documentation License." | + Foundation; with no Invariant Sections, no Front-Cover Texts, and + no Back-Cover Texts. A copy of the license is included in the + section entitled "GNU Free Documentation License." INFO-DIR-SECTION The Algorithmic Language Scheme START-INFO-DIR-ENTRY @@ -24,18 +24,18 @@ File: slib.info, Node: Top, Next: The Library System, Prev: (dir), Up: (dir) SLIB **** -This manual is for SLIB (version 3a5, November 2007), the portable | +This manual is for SLIB (version 3b1, February 2008), the portable | Scheme library. Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, -2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. | +2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. | Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software - Foundation; with no Invariant Sections, no Front-Cover Texts, and | - no Back-Cover Texts. A copy of the license is included in the | - section entitled "GNU Free Documentation License." | + Foundation; with no Invariant Sections, no Front-Cover Texts, and + no Back-Cover Texts. A copy of the license is included in the + section entitled "GNU Free Documentation License." * Menu: @@ -139,8 +139,8 @@ The generalization of `provided?' for arbitrary features and catalog is (1) scheme-implementation-type is the name symbol of the running Scheme implementation (RScheme, |STk|, Bigloo, chez, Elk, gambit, -guile, JScheme, kawa, MacScheme, MITScheme, Pocket-Scheme, Scheme48, | -Scheme->C, Scheme48, Scsh, SISC, T, umb-scheme, or Vscm). Dependence on | +guile, JScheme, kawa, MacScheme, MITScheme, Pocket-Scheme, Scheme48, +Scheme->C, Scheme48, Scsh, SISC, T, umb-scheme, or Vscm). Dependence on scheme-implementation-type is almost always the wrong way to do things.  @@ -862,7 +862,7 @@ implementations. implementation and the name of the operating system. An unspecified value is returned. - (slib:report-version) => slib "3a5" on scm "5b1" on unix | + (slib:report-version) => slib "3b1" on scm "5b1" on unix | -- Function: slib:report Displays the information of `(slib:report-version)' followed by @@ -877,7 +877,7 @@ implementations. (slib:report) => - slib "3a5" on scm "5b1" on unix | + slib "3b1" on scm "5b1" on unix | (implementation-vicinity) is "/usr/local/lib/scm/" (library-vicinity) is "/usr/local/lib/slib/" (scheme-file-suffix) is ".scm" @@ -980,19 +980,19 @@ These procedures are provided by all implementations. omitted, in which case it defaults to the value returned by `(current-output-port)'. - -- Function: file-position port | - -- Function: file-position port #f | - PORT must be open to a file. `file-position' returns the current | - position of the character in PORT which will next be read or | - written. If the implementation does not support file-position, | - then `#f' is returned. | - | - -- Function: file-position port k | - PORT must be open to a file. `file-position' sets the current | - position in PORT which will next be read or written. If | - successful, `#f' is returned; otherwise `file-position' returns | - `#f'. | - | + -- Function: file-position port + -- Function: file-position port #f + PORT must be open to a file. `file-position' returns the current + position of the character in PORT which will next be read or + written. If the implementation does not support file-position, + then `#f' is returned. + + -- Function: file-position port k + PORT must be open to a file. `file-position' sets the current + position in PORT which will next be read or written. If + successful, `#f' is returned; otherwise `file-position' returns + `#f'. + -- Function: output-port-width -- Function: output-port-width port Returns the width of PORT, which defaults to @@ -1061,21 +1061,21 @@ These procedures are provided by all implementations. If N is omitted or `#t', a success status is returned to the system (if possible). If N is `#f' a failure is returned to the system (if possible). If N is an integer, then N is returned to - the system (if possible). If the Scheme session cannot exit, then | - an unspecified value is returned from `slib:exit'. | + the system (if possible). If the Scheme session cannot exit, then + an unspecified value is returned from `slib:exit'. -- Function: browse-url url Web browsers have become so ubiquitous that programming languagues should support a uniform interface to them. - If a browser is running, `browse-url' causes the browser to | - display the page specified by string URL and returns `#t'. | + If a browser is running, `browse-url' causes the browser to + display the page specified by string URL and returns `#t'. If the browser is not running, `browse-url' starts a browser displaying the argument URL. If the browser starts as a - background job, `browse-url' returns `#t' immediately; if the | - browser starts as a foreground job, then `browse-url' returns `#t' | - when the browser exits; otherwise (if no browser) it returns `#f'. | + background job, `browse-url' returns `#t' immediately; if the + browser starts as a foreground job, then `browse-url' returns `#t' + when the browser exits; otherwise (if no browser) it returns `#f'.  File: slib.info, Node: Miscellany, Prev: System, Up: Universal SLIB Procedures @@ -1095,7 +1095,7 @@ These procedures are provided by all implementations. => (foo bar) (map identity LST) == (copy-list LST) - | + 2.5.1 Mutual Exclusion ---------------------- @@ -2135,12 +2135,12 @@ File: slib.info, Node: Binding to multiple values, Next: Guarded LET* special -- Special Form: receive formals expression body ... `http://srfi.schemers.org/srfi-8/srfi-8.html' - `(require 'let-values)' or `(require 'srfi-11)' | - | - -- Special Form: let-values ((formals expression) ...) body ... | - -- Special Form: let-values* ((formals expression) ...) body ... | - `http://srfi.schemers.org/srfi-11/srfi-11.html' | - | + `(require 'let-values)' or `(require 'srfi-11)' + + -- Special Form: let-values ((formals expression) ...) body ... + -- Special Form: let-values* ((formals expression) ...) body ... + `http://srfi.schemers.org/srfi-11/srfi-11.html' +  File: slib.info, Node: Guarded LET* special form, Next: Guarded COND Clause, Prev: Binding to multiple values, Up: Scheme Syntax Extension Packages @@ -2966,7 +2966,7 @@ File: slib.info, Node: Format, Next: Standard Formatted I/O, Prev: Precedence 4.2 Format (version 3.1) ======================== -`(require 'format)' or `(require 'srfi-28)' | +`(require 'format)' or `(require 'srfi-28)' * Menu: @@ -3850,7 +3850,7 @@ File: slib.info, Node: Programs and Arguments, Next: HTML, Prev: Standard For * Command Line:: A command line reader for Scheme shells * Parameter lists:: 'parameters * Getopt Parameter lists:: 'getopt-parameters -* Filenames:: 'glob or 'filename +* Filenames:: 'filename * Batch:: 'batch  @@ -3952,9 +3952,9 @@ replaced them with a global variable: Example: #! /usr/local/bin/scm - ;;;This code is SCM specific. - (define argv (program-arguments)) + (require 'program-arguments) | (require 'getopt) + (define argv (program-arguments)) | (define opts ":a:b:cd") (let loop ((opt (getopt (length argv) argv opts))) @@ -4272,7 +4272,7 @@ File: slib.info, Node: Filenames, Next: Batch, Prev: Getopt Parameter lists, 4.4.6 Filenames --------------- -`(require 'filename)' or `(require 'glob)' +`(require 'filename)' | -- Function: filename:match?? pattern -- Function: filename:match-ci?? pattern @@ -4385,9 +4385,9 @@ currently uses 2 of these: * *unknown* -The `batch' module uses 2 enhanced relational tables (*note Using | -Databases::) to store information linking the names of | -`operating-system's to `batch-dialect'es. | +The `batch' module uses 2 enhanced relational tables (*note Using +Databases::) to store information linking the names of +`operating-system's to `batch-dialect'es. -- Function: batch:initialize! database Defines `operating-system' and `batch-dialect' tables and adds the @@ -4501,7 +4501,7 @@ Here is an example of the use of most of batch's procedures: (require 'databases) (require 'parameters) (require 'batch) - (require 'glob) + (require 'filename) | (define batch (create-database #f 'alist-table)) (batch:initialize! batch) @@ -5075,7 +5075,7 @@ File: slib.info, Node: Parsing HTML, Next: URI, Prev: HTTP and CGI, Up: Text  File: slib.info, Node: URI, Next: Parsing XML, Prev: Parsing HTML, Up: Textual Conversion Packages - | + 4.10 URI ======== @@ -5205,819 +5205,819 @@ purpose.  File: slib.info, Node: Parsing XML, Next: Printing Scheme, Prev: URI, Up: Textual Conversion Packages - | -4.11 Parsing XML | -================ | - | -`(require 'xml-parse)' or `(require 'ssax)' | - | -The XML standard document referred to in this module is | -`http://www.w3.org/TR/1998/REC-xml-19980210.html'. | - | -The present frameworks fully supports the XML Namespaces Recommendation | -`http://www.w3.org/TR/REC-xml-names'. | - | -4.11.1 String Glue | ------------------- | - | - -- Function: ssax:reverse-collect-str list-of-frags | - Given the list of fragments (some of which are text strings), | - reverse the list and concatenate adjacent text strings. If | - LIST-OF-FRAGS has zero or one element, the result of the procedure | - is `equal?' to its argument. | - | - -- Function: ssax:reverse-collect-str-drop-ws list-of-frags | - Given the list of fragments (some of which are text strings), | - reverse the list and concatenate adjacent text strings while | - dropping "unsignificant" whitespace, that is, whitespace in front, | - behind and between elements. The whitespace that is included in | - character data is not affected. | - | - Use this procedure to "intelligently" drop "insignificant" | - whitespace in the parsed SXML. If the strict compliance with the | - XML Recommendation regarding the whitespace is desired, use the | - `ssax:reverse-collect-str' procedure instead. | - | -4.11.2 Character and Token Functions | ------------------------------------- | - | -The following functions either skip, or build and return tokens, | -according to inclusion or delimiting semantics. The list of characters | -to expect, include, or to break at may vary from one invocation of a | -function to another. This allows the functions to easily parse even | -context-sensitive languages. | - | - Exceptions are mentioned specifically. The list of expected | -characters (characters to skip until, or break-characters) may include | -an EOF "character", which is coded as symbol *eof* | - | - The input stream to parse is specified as a PORT, which is the last | -argument. | - | - -- Function: ssax:assert-current-char char-list string port | - Reads a character from the PORT and looks it up in the CHAR-LIST | - of expected characters. If the read character was found among | - expected, it is returned. Otherwise, the procedure writes a | - message using STRING as a comment and quits. | - | - -- Function: ssax:skip-while char-list port | - Reads characters from the PORT and disregards them, as long as they | - are mentioned in the CHAR-LIST. The first character (which may be | - EOF) peeked from the stream that is _not_ a member of the | - CHAR-LIST is returned. | - | - -- Function: ssax:init-buffer | - Returns an initial buffer for `ssax:next-token*' procedures. | - `ssax:init-buffer' may allocate a new buffer at each invocation. | - | - -- Function: ssax:next-token prefix-char-list break-char-list | - comment-string port | - Skips any number of the prefix characters (members of the | - PREFIX-CHAR-LIST), if any, and reads the sequence of characters up | - to (but not including) a break character, one of the | - BREAK-CHAR-LIST. | - | - The string of characters thus read is returned. The break | - character is left on the input stream. BREAK-CHAR-LIST may | - include the symbol `*eof*'; otherwise, EOF is fatal, generating an | - error message including a specified COMMENT-STRING. | - | -`ssax:next-token-of' is similar to `ssax:next-token' except that it | -implements an inclusion rather than delimiting semantics. | - | - -- Function: ssax:next-token-of inc-charset port | - Reads characters from the PORT that belong to the list of | - characters INC-CHARSET. The reading stops at the first character | - which is not a member of the set. This character is left on the | - stream. All the read characters are returned in a string. | - | - -- Function: ssax:next-token-of pred port | - Reads characters from the PORT for which PRED (a procedure of one | - argument) returns non-#f. The reading stops at the first | - character for which PRED returns #f. That character is left on | - the stream. All the results of evaluating of PRED up to #f are | - returned in a string. | - | - PRED is a procedure that takes one argument (a character or the | - EOF object) and returns a character or #f. The returned character | - does not have to be the same as the input argument to the PRED. | - For example, | - | - (ssax:next-token-of (lambda (c) | - (cond ((eof-object? c) #f) | + +4.11 Parsing XML +================ + +`(require 'xml-parse)' or `(require 'ssax)' + +The XML standard document referred to in this module is +`http://www.w3.org/TR/1998/REC-xml-19980210.html'. + +The present frameworks fully supports the XML Namespaces Recommendation +`http://www.w3.org/TR/REC-xml-names'. + +4.11.1 String Glue +------------------ + + -- Function: ssax:reverse-collect-str list-of-frags + Given the list of fragments (some of which are text strings), + reverse the list and concatenate adjacent text strings. If + LIST-OF-FRAGS has zero or one element, the result of the procedure + is `equal?' to its argument. + + -- Function: ssax:reverse-collect-str-drop-ws list-of-frags + Given the list of fragments (some of which are text strings), + reverse the list and concatenate adjacent text strings while + dropping "unsignificant" whitespace, that is, whitespace in front, + behind and between elements. The whitespace that is included in + character data is not affected. + + Use this procedure to "intelligently" drop "insignificant" + whitespace in the parsed SXML. If the strict compliance with the + XML Recommendation regarding the whitespace is desired, use the + `ssax:reverse-collect-str' procedure instead. + +4.11.2 Character and Token Functions +------------------------------------ + +The following functions either skip, or build and return tokens, +according to inclusion or delimiting semantics. The list of characters +to expect, include, or to break at may vary from one invocation of a +function to another. This allows the functions to easily parse even +context-sensitive languages. + + Exceptions are mentioned specifically. The list of expected +characters (characters to skip until, or break-characters) may include +an EOF "character", which is coded as symbol *eof* + + The input stream to parse is specified as a PORT, which is the last +argument. + + -- Function: ssax:assert-current-char char-list string port + Reads a character from the PORT and looks it up in the CHAR-LIST + of expected characters. If the read character was found among + expected, it is returned. Otherwise, the procedure writes a + message using STRING as a comment and quits. + + -- Function: ssax:skip-while char-list port + Reads characters from the PORT and disregards them, as long as they + are mentioned in the CHAR-LIST. The first character (which may be + EOF) peeked from the stream that is _not_ a member of the + CHAR-LIST is returned. + + -- Function: ssax:init-buffer + Returns an initial buffer for `ssax:next-token*' procedures. + `ssax:init-buffer' may allocate a new buffer at each invocation. + + -- Function: ssax:next-token prefix-char-list break-char-list + comment-string port + Skips any number of the prefix characters (members of the + PREFIX-CHAR-LIST), if any, and reads the sequence of characters up + to (but not including) a break character, one of the + BREAK-CHAR-LIST. + + The string of characters thus read is returned. The break + character is left on the input stream. BREAK-CHAR-LIST may + include the symbol `*eof*'; otherwise, EOF is fatal, generating an + error message including a specified COMMENT-STRING. + +`ssax:next-token-of' is similar to `ssax:next-token' except that it +implements an inclusion rather than delimiting semantics. + + -- Function: ssax:next-token-of inc-charset port + Reads characters from the PORT that belong to the list of + characters INC-CHARSET. The reading stops at the first character + which is not a member of the set. This character is left on the + stream. All the read characters are returned in a string. + + -- Function: ssax:next-token-of pred port + Reads characters from the PORT for which PRED (a procedure of one + argument) returns non-#f. The reading stops at the first + character for which PRED returns #f. That character is left on + the stream. All the results of evaluating of PRED up to #f are + returned in a string. + + PRED is a procedure that takes one argument (a character or the + EOF object) and returns a character or #f. The returned character + does not have to be the same as the input argument to the PRED. + For example, + + (ssax:next-token-of (lambda (c) + (cond ((eof-object? c) #f) ((char-alphabetic? c) (char-downcase c)) - (else #f))) | - (current-input-port)) | - | - will try to read an alphabetic token from the current input port, | - and return it in lower case. | - | - -- Function: ssax:read-string len port | - Reads LEN characters from the PORT, and returns them in a string. | - If EOF is encountered before LEN characters are read, a shorter | - string will be returned. | - | -4.11.3 Data Types | ------------------ | - | -`TAG-KIND' | - A symbol `START', `END', `PI', `DECL', `COMMENT', `CDSECT', or | - `ENTITY-REF' that identifies a markup token | - | -`UNRES-NAME' | - a name (called GI in the XML Recommendation) as given in an XML | - document for a markup token: start-tag, PI target, attribute name. | - If a GI is an NCName, UNRES-NAME is this NCName converted into a | - Scheme symbol. If a GI is a QName, `UNRES-NAME' is a pair of | - symbols: `(PREFIX . LOCALPART)'. | - | -`RES-NAME' | - An expanded name, a resolved version of an `UNRES-NAME'. For an | - element or an attribute name with a non-empty namespace URI, | - `RES-NAME' is a pair of symbols, `(URI-SYMB . LOCALPART)'. | - Otherwise, it's a single symbol. | - | -`ELEM-CONTENT-MODEL' | - A symbol: | - `ANY' | - anything goes, expect an END tag. | - | - `EMPTY-TAG' | - no content, and no END-tag is coming | - | - `EMPTY' | - no content, expect the END-tag as the next token | - | - `PCDATA' | - expect character data only, and no children elements | - | - `MIXED' | - | - `ELEM-CONTENT' | - | -`URI-SYMB' | - A symbol representing a namespace URI - or other symbol chosen by | - the user to represent URI. In the former case, `URI-SYMB' is | - created by %-quoting of bad URI characters and converting the | - resulting string into a symbol. | - | -`NAMESPACES' | - A list representing namespaces in effect. An element of the list | - has one of the following forms: | - | - `(PREFIX URI-SYMB . URI-SYMB) or' | - | - `(PREFIX USER-PREFIX . URI-SYMB)' | - USER-PREFIX is a symbol chosen by the user to represent the | - URI. | - | - `(#f USER-PREFIX . URI-SYMB)' | - Specification of the user-chosen prefix and a URI-SYMBOL. | - | - `(*DEFAULT* USER-PREFIX . URI-SYMB)' | - Declaration of the default namespace | - | - `(*DEFAULT* #f . #f)' | - Un-declaration of the default namespace. This notation | - represents overriding of the previous declaration | - | - | - A NAMESPACES list may contain several elements for the same PREFIX. | - The one closest to the beginning of the list takes effect. | - | -`ATTLIST' | - An ordered collection of (NAME . VALUE) pairs, where NAME is a | - RES-NAME or an UNRES-NAME. The collection is an ADT. | - | -`STR-HANDLER' | - A procedure of three arguments: STRING1 STRING2 SEED returning a | - new SEED. The procedure is supposed to handle a chunk of | - character data STRING1 followed by a chunk of character data | - STRING2. STRING2 is a short string, often `"\n"' and even `""'. | - | -`ENTITIES' | - An assoc list of pairs: | - (NAMED-ENTITY-NAME . NAMED-ENTITY-BODY) | - | - where NAMED-ENTITY-NAME is a symbol under which the entity was | - declared, NAMED-ENTITY-BODY is either a string, or (for an | - external entity) a thunk that will return an input port (from which | - the entity can be read). NAMED-ENTITY-BODY may also be #f. This | - is an indication that a NAMED-ENTITY-NAME is currently being | - expanded. A reference to this NAMED-ENTITY-NAME will be an error: | - violation of the WFC nonrecursion. | - | -`XML-TOKEN' | - This record represents a markup, which is, according to the XML | - Recommendation, "takes the form of start-tags, end-tags, | - empty-element tags, entity references, character references, | - comments, CDATA section delimiters, document type declarations, and | - processing instructions." | - | - kind | - a TAG-KIND | - | - head | - an UNRES-NAME. For XML-TOKENs of kinds 'COMMENT and 'CDSECT, | - the head is #f. | - | - For example, | -

=> kind=START, head=P | -

=> kind=END, head=P | -
=> kind=EMPTY-EL, head=BR | - => kind=DECL, head=DOCTYPE | - => kind=PI, head=xml | - &my-ent; => kind=ENTITY-REF, head=my-ent | - | - Character references are not represented by xml-tokens as these | - references are transparently resolved into the corresponding | - characters. | - | -`XML-DECL' | - The record represents a datatype of an XML document: the list of | - declared elements and their attributes, declared notations, list of | - replacement strings or loading procedures for parsed general | - entities, etc. Normally an XML-DECL record is created from a DTD | - or an XML Schema, although it can be created and filled in in many | - other ways (e.g., loaded from a file). | - | - ELEMS | - an (assoc) list of decl-elem or #f. The latter instructs the | - parser to do no validation of elements and attributes. | - | - DECL-ELEM | - declaration of one element: | - | - `(ELEM-NAME ELEM-CONTENT DECL-ATTRS)' | - | - ELEM-NAME is an UNRES-NAME for the element. | - | - ELEM-CONTENT is an ELEM-CONTENT-MODEL. | - | - DECL-ATTRS is an `ATTLIST', of `(ATTR-NAME . VALUE)' | - associations. | - | - This element can declare a user procedure to handle parsing | - of an element (e.g., to do a custom validation, or to build a | - hash of IDs as they're encountered). | - | - DECL-ATTR | - an element of an `ATTLIST', declaration of one attribute: | - | - `(ATTR-NAME CONTENT-TYPE USE-TYPE DEFAULT-VALUE)' | - | - ATTR-NAME is an UNRES-NAME for the declared attribute. | - | - CONTENT-TYPE is a symbol: `CDATA', `NMTOKEN', `NMTOKENS', ... | - or a list of strings for the enumerated type. | - | - USE-TYPE is a symbol: `REQUIRED', `IMPLIED', or `FIXED'. | - | - DEFAULT-VALUE is a string for the default value, or #f if not | - given. | - | - | - | -4.11.4 Low-Level Parsers and Scanners | -------------------------------------- | - | -These procedures deal with primitive lexical units (Names, whitespaces, | -tags) and with pieces of more generic productions. Most of these | -parsers must be called in appropriate context. For example, | -`ssax:complete-start-tag' must be called only when the start-tag has | -been detected and its GI has been read. | - | - -- Function: ssax:skip-s port | - Skip the S (whitespace) production as defined by | - [3] S ::= (#x20 | #x09 | #x0D | #x0A) | - | - `ssax:skip-s' returns the first not-whitespace character it | - encounters while scanning the PORT. This character is left on the | - input stream. | - | - -- Function: ssax:read-ncname port | - Read a NCName starting from the current position in the PORT and | - return it as a symbol. | - | - [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' | - | CombiningChar | Extender | - [5] Name ::= (Letter | '_' | ':') (NameChar)* | - | - This code supports the XML Namespace Recommendation REC-xml-names, | - which modifies the above productions as follows: | - | - [4] NCNameChar ::= Letter | Digit | '.' | '-' | '_' | - | CombiningChar | Extender | - [5] NCName ::= (Letter | '_') (NCNameChar)* | - | - As the Rec-xml-names says, | - | - "An XML document conforms to this specification if all other | - tokens [other than element types and attribute names] in the | - document which are required, for XML conformance, to match | - the XML production for Name, match this specification's | - production for NCName." | - | - Element types and attribute names must match the production QName, | - defined below. | - | - -- Function: ssax:read-qname port | - Read a (namespace-) Qualified Name, QName, from the current | - position in PORT; and return an UNRES-NAME. | - | - From REC-xml-names: | - [6] QName ::= (Prefix ':')? LocalPart | - [7] Prefix ::= NCName | - [8] LocalPart ::= NCName | - | - -- Function: ssax:read-markup-token port | - This procedure starts parsing of a markup token. The current | - position in the stream must be `<'. This procedure scans enough | - of the input stream to figure out what kind of a markup token it | - is seeing. The procedure returns an XML-TOKEN structure | - describing the token. Note, generally reading of the current | - markup is not finished! In particular, no attributes of the | - start-tag token are scanned. | - | - Here's a detailed break out of the return values and the position | - in the PORT when that particular value is returned: | - | - PI-token | - only PI-target is read. To finish the Processing-Instruction | - and disregard it, call `ssax:skip-pi'. `ssax:read-attributes' | - may be useful as well (for PIs whose content is | - attribute-value pairs). | - | - END-token | - The end tag is read completely; the current position is right | - after the terminating `>' character. | - | - COMMENT | - is read and skipped completely. The current position is | - right after `-->' that terminates the comment. | - | - CDSECT | - The current position is right after `' combination that terminates PI. | - | - [16] PI ::= '' Char*)))? '?>' | - | - -- Function: ssax:skip-internal-dtd port | - The current pos in the port is inside an internal DTD subset (e.g., | - after reading `#\[' that begins an internal DTD subset) Skip until | - the `]>' combination that terminates this DTD. | - | - -- Function: ssax:read-cdata-body port str-handler seed | - This procedure must be called after we have read a string | - `' combination is the end of the CDATA section. `>' is | - treated as an embedded `>' character. | - | - * `<' and `&' are not specially recognized (and are not | - expanded)! | - | - | - -- Function: ssax:read-char-ref port | - [66] CharRef ::= '&#' [0-9]+ ';' | - | '&#x' [0-9a-fA-F]+ ';' | - | - This procedure must be called after we we have read `&#' that | - introduces a char reference. The procedure reads this reference | - and returns the corresponding char. The current position in PORT | - will be after the `;' that terminates the char reference. | - | - Faults detected: | - WFC: XML-Spec.html#wf-Legalchar | - | - According to Section `4.1 Character and Entity References' of the | - XML Recommendation: | - | - "[Definition: A character reference refers to a specific | - character in the ISO/IEC 10646 character set, for example one | - not directly accessible from available input devices.]" | - | - | - -- Function: ssax:handle-parsed-entity port name entities | - content-handler str-handler seed | - Expands and handles a parsed-entity reference. | - | - NAME is a symbol, the name of the parsed entity to expand. | - CONTENT-HANDLER is a procedure of arguments PORT, ENTITIES, and | - SEED that returns a seed. STR-HANDLER is called if the entity in | - question is a pre-declared entity. | - | - `ssax:handle-parsed-entity' returns the result returned by | - CONTENT-HANDLER or STR-HANDLER. | - | - Faults detected: | - WFC: XML-Spec.html#wf-entdeclared | - WFC: XML-Spec.html#norecursion | - | - -- Function: attlist-add attlist name-value | - Add a NAME-VALUE pair to the existing ATTLIST, preserving its | - sorted ascending order; and return the new list. Return #f if a | - pair with the same name already exists in ATTLIST | - | - -- Function: attlist-remove-top attlist | - Given an non-null ATTLIST, return a pair of values: the top and | - the rest. | - | - -- Function: ssax:read-attributes port entities | - This procedure reads and parses a production "Attribute". | - | - [41] Attribute ::= Name Eq AttValue | - [10] AttValue ::= '"' ([^<&"] | Reference)* '"' | - | "'" ([^<&'] | Reference)* "'" | - [25] Eq ::= S? '=' S? | - | - The procedure returns an ATTLIST, of Name (as UNRES-NAME), Value | - (as string) pairs. The current character on the PORT is a | - non-whitespace character that is not an NCName-starting character. | - | - Note the following rules to keep in mind when reading an | - "AttValue": | - | - Before the value of an attribute is passed to the application | - or checked for validity, the XML processor must normalize it | - as follows: | - | - * A character reference is processed by appending the | - referenced character to the attribute value. | - | - * An entity reference is processed by recursively | - processing the replacement text of the entity. The | - named entities `amp', `lt', `gt', `quot', and `apos' are | - pre-declared. | - | - * A whitespace character (#x20, #x0D, #x0A, #x09) is | - processed by appending #x20 to the normalized value, | - except that only a single #x20 is appended for a | - "#x0D#x0A" sequence that is part of an external parsed | - entity or the literal entity value of an internal parsed | - entity. | - | - * Other characters are processed by appending them to the | - normalized value. | - | - | - | - Faults detected: | - WFC: XML-Spec.html#CleanAttrVals | - WFC: XML-Spec.html#uniqattspec | - | - -- Function: ssax:resolve-name port unres-name namespaces | - apply-default-ns? | - Convert an UNRES-NAME to a RES-NAME, given the appropriate | - NAMESPACES declarations. The last parameter, APPLY-DEFAULT-NS?, | - determines if the default namespace applies (for instance, it does | - not for attribute names). | - | - Per REC-xml-names/#nsc-NSDeclared, the "xml" prefix is considered | - pre-declared and bound to the namespace name | - "http://www.w3.org/XML/1998/namespace". | - | - `ssax:resolve-name' tests for the namespace constraints: | - `http://www.w3.org/TR/REC-xml-names/#nsc-NSDeclared' | - | - -- Function: ssax:complete-start-tag tag port elems entities namespaces | - Complete parsing of a start-tag markup. `ssax:complete-start-tag' | - must be called after the start tag token has been read. TAG is an | - UNRES-NAME. ELEMS is an instance of the ELEMS slot of XML-DECL; | - it can be #f to tell the function to do _no_ validation of | - elements and their attributes. | - | - `ssax:complete-start-tag' returns several values: | - * ELEM-GI: a RES-NAME. | - | - * ATTRIBUTES: element's attributes, an ATTLIST of (RES-NAME . | - STRING) pairs. The list does NOT include xmlns attributes. | - | - * NAMESPACES: the input list of namespaces amended with | - namespace (re-)declarations contained within the start-tag | - under parsing | - | - * ELEM-CONTENT-MODEL | - | - On exit, the current position in PORT will be the first character | - after `>' that terminates the start-tag markup. | - | - Faults detected: | - VC: XML-Spec.html#enum | - VC: XML-Spec.html#RequiredAttr | - VC: XML-Spec.html#FixedAttr | - VC: XML-Spec.html#ValueType | - WFC: XML-Spec.html#uniqattspec (after namespaces prefixes are | - resolved) | - VC: XML-Spec.html#elementvalid | - WFC: REC-xml-names/#dt-NSName | - | - _Note_: although XML Recommendation does not explicitly say it, | - xmlns and xmlns: attributes don't have to be declared (although | - they can be declared, to specify their default value). | - | - -- Function: ssax:read-external-id port | - Parses an ExternalID production: | - | - [75] ExternalID ::= 'SYSTEM' S SystemLiteral | - | 'PUBLIC' S PubidLiteral S SystemLiteral | - [11] SystemLiteral ::= ('"' [^"]* '"') | ("'" [^']* "'") | - [12] PubidLiteral ::= '"' PubidChar* '"' | - | "'" (PubidChar - "'")* "'" | - [13] PubidChar ::= #x20 | #x0D | #x0A | [a-zA-Z0-9] | - | [-'()+,./:=?;!*#@$_%] | - | - Call `ssax:read-external-id' when an ExternalID is expected; that | - is, the current character must be either #\S or #\P that starts | - correspondingly a SYSTEM or PUBLIC token. `ssax:read-external-id' | - returns the SYSTEMLITERAL as a string. A PUBIDLITERAL is | - disregarded if present. | - | -4.11.5 Mid-Level Parsers and Scanners | -------------------------------------- | - | -These procedures parse productions corresponding to the whole | -(document) entity or its higher-level pieces (prolog, root element, | -etc). | - | - -- Function: ssax:scan-misc port | - Scan the Misc production in the context: | - | - [1] document ::= prolog element Misc* | - [22] prolog ::= XMLDecl? Misc* (doctypedec l Misc*)? | - [27] Misc ::= Comment | PI | S | - | - Call `ssax:scan-misc' in the prolog or epilog contexts. In these | - contexts, whitespaces are completely ignored. The return value | - from `ssax:scan-misc' is either a PI-token, a DECL-token, a START | - token, or *EOF*. Comments are ignored and not reported. | - | - -- Function: ssax:read-char-data port expect-eof? str-handler iseed | - Read the character content of an XML document or an XML element. | - | - [43] content ::= | - (element | CharData | Reference | CDSect | PI | Comment)* | - | - To be more precise, `ssax:read-char-data' reads CharData, expands | - CDSect and character entities, and skips comments. | - `ssax:read-char-data' stops at a named reference, EOF, at the | - beginning of a PI, or a start/end tag. | - | - EXPECT-EOF? is a boolean indicating if EOF is normal; i.e., the | - character data may be terminated by the EOF. EOF is normal while | - processing a parsed entity. | - | - ISEED is an argument passed to the first invocation of STR-HANDLER. | - | - `ssax:read-char-data' returns two results: SEED and TOKEN. The | - SEED is the result of the last invocation of STR-HANDLER, or the | - original ISEED if STR-HANDLER was never called. | - | - TOKEN can be either an eof-object (this can happen only if | - EXPECT-EOF? was #t), or: | - * an xml-token describing a START tag or an END-tag; For a | - start token, the caller has to finish reading it. | - | - * an xml-token describing the beginning of a PI. It's up to an | - application to read or skip through the rest of this PI; | - | - * an xml-token describing a named entity reference. | - | - | - CDATA sections and character references are expanded inline and | - never returned. Comments are silently disregarded. | - | - As the XML Recommendation requires, all whitespace in character | - data must be preserved. However, a CR character (#x0D) must be | - disregarded if it appears before a LF character (#x0A), or replaced | - by a #x0A character otherwise. See Secs. 2.10 and 2.11 of the XML | - Recommendation. See also the canonical XML Recommendation. | - | - -- Function: ssax:assert-token token kind gi error-cont | - Make sure that TOKEN is of anticipated KIND and has anticipated | - GI. Note that the GI argument may actually be a pair of two | - symbols, Namespace-URI or the prefix, and of the localname. If | - the assertion fails, ERROR-CONT is evaluated by passing it three | - arguments: TOKEN KIND GI. The result of ERROR-CONT is returned. | - | -4.11.6 High-level Parsers | -------------------------- | - | -These procedures are to instantiate a SSAX parser. A user can | -instantiate the parser to do the full validation, or no validation, or | -any particular validation. The user specifies which PI he wants to be | -notified about. The user tells what to do with the parsed character | -and element data. The latter handlers determine if the parsing follows | -a SAX or a DOM model. | - | - -- Function: ssax:make-pi-parser my-pi-handlers | - Create a parser to parse and process one Processing Element (PI). | - | - MY-PI-HANDLERS is an association list of pairs `(PI-TAG . | - PI-HANDLER)' where PI-TAG is an NCName symbol, the PI target; and | - PI-HANDLER is a procedure taking arguments PORT, PI-TAG, and SEED. | - | - PI-HANDLER should read the rest of the PI up to and including the | - combination `?>' that terminates the PI. The handler should | - return a new seed. One of the PI-TAGs may be the symbol | - `*DEFAULT*'. The corresponding handler will handle PIs that no | - other handler will. If the *DEFAULT* PI-TAG is not specified, | - `ssax:make-pi-parser' will assume the default handler that skips | - the body of the PI. | - | - `ssax:make-pi-parser' returns a procedure of arguments PORT, | - PI-TAG, and SEED; that will parse the current PI according to | - MY-PI-HANDLERS. | - | - -- Function: ssax:make-elem-parser my-new-level-seed my-finish-element | - my-char-data-handler my-pi-handlers | - Create a parser to parse and process one element, including its | - character content or children elements. The parser is typically | - applied to the root element of a document. | - | - MY-NEW-LEVEL-SEED | - is a procedure taking arguments: | - | - ELEM-GI ATTRIBUTES NAMESPACES EXPECTED-CONTENT SEED | - | - where ELEM-GI is a RES-NAME of the element about to be | - processed. | - | - MY-NEW-LEVEL-SEED is to generate the seed to be passed to | - handlers that process the content of the element. | - | - MY-FINISH-ELEMENT | - is a procedure taking arguments: | - | - ELEM-GI ATTRIBUTES NAMESPACES PARENT-SEED SEED | - | - MY-FINISH-ELEMENT is called when parsing of ELEM-GI is | - finished. The SEED is the result from the last content | - parser (or from MY-NEW-LEVEL-SEED if the element has the | - empty content). PARENT-SEED is the same seed as was passed | - to MY-NEW-LEVEL-SEED. MY-FINISH-ELEMENT is to generate a | - seed that will be the result of the element parser. | - | - MY-CHAR-DATA-HANDLER | - is a STR-HANDLER as described in Data Types above. | - | - MY-PI-HANDLERS | - is as described for `ssax:make-pi-handler' above. | - | - | - The generated parser is a procedure taking arguments: | - | - START-TAG-HEAD PORT ELEMS ENTITIES NAMESPACES PRESERVE-WS? SEED | - | - The procedure must be called after the start tag token has been | - read. START-TAG-HEAD is an UNRES-NAME from the start-element tag. | - ELEMS is an instance of ELEMS slot of XML-DECL. | - | - Faults detected: | - VC: XML-Spec.html#elementvalid | - WFC: XML-Spec.html#GIMatch | - | - -- Function: ssax:make-parser user-handler-tag user-handler ... | - Create an XML parser, an instance of the XML parsing framework. | - This will be a SAX, a DOM, or a specialized parser depending on the | - supplied user-handlers. | - | - `ssax:make-parser' takes an even number of arguments; | - USER-HANDLER-TAG is a symbol that identifies a procedure (or | - association list for `PROCESSING-INSTRUCTIONS') (USER-HANDLER) | - that follows the tag. Given below are tags and signatures of the | - corresponding procedures. Not all tags have to be specified. If | - some are omitted, reasonable defaults will apply. | - | - `DOCTYPE' | - handler-procedure: PORT DOCNAME SYSTEMID INTERNAL-SUBSET? SEED | - | - If INTERNAL-SUBSET? is #t, the current position in the port is | - right after we have read `[' that begins the internal DTD | - subset. We must finish reading of this subset before we | - return (or must call `skip-internal-dtd' if we aren't | - interested in reading it). PORT at exit must be at the first | - symbol after the whole DOCTYPE declaration. | - | - The handler-procedure must generate four values: | - | - ELEMS ENTITIES NAMESPACES SEED | - | - ELEMS is as defined for the ELEMS slot of XML-DECL. It may be | - #f to switch off validation. NAMESPACES will typically | - contain USER-PREFIXes for selected URI-SYMBs. The default | - handler-procedure skips the internal subset, if any, and | - returns `(values #f '() '() seed)'. | - | - `UNDECL-ROOT' | - procedure: ELEM-GI SEED | - | - where ELEM-GI is an UNRES-NAME of the root element. This | - procedure is called when an XML document under parsing | - contains _no_ DOCTYPE declaration. | - | - The handler-procedure, as a DOCTYPE handler procedure above, | - must generate four values: | - | - ELEMS ENTITIES NAMESPACES SEED | - | - The default handler-procedure returns (values #f '() '() seed) | - | - `DECL-ROOT' | - procedure: ELEM-GI SEED | - | - where ELEM-GI is an UNRES-NAME of the root element. This | - procedure is called when an XML document under parsing does | - contains the DOCTYPE declaration. The handler-procedure must | - generate a new SEED (and verify that the name of the root | - element matches the doctype, if the handler so wishes). The | - default handler-procedure is the identity function. | - | - `NEW-LEVEL-SEED' | - procedure: see ssax:make-elem-parser, my-new-level-seed | - | - `FINISH-ELEMENT' | - procedure: see ssax:make-elem-parser, my-finish-element | - | - `CHAR-DATA-HANDLER' | - procedure: see ssax:make-elem-parser, my-char-data-handler | - | - `PROCESSING-INSTRUCTIONS' | - association list as is passed to `ssax:make-pi-parser'. The | - default value is '() | - | - | - The generated parser is a procedure of arguments PORT and SEED. | - | - This procedure parses the document prolog and then exits to an | - element parser (created by `ssax:make-elem-parser') to handle the | - rest. | - | - [1] document ::= prolog element Misc* | - [22] prolog ::= XMLDecl? Misc* (doctypedec | Misc*)? | - [27] Misc ::= Comment | PI | S | - [28] doctypedecl ::= '' | - [29] markupdecl ::= elementdecl | AttlistDecl | - | EntityDecl | - | NotationDecl | PI | - | Comment | - | -4.11.7 Parsing XML to SXML | --------------------------- | - | - -- Function: ssax:xml->sxml port namespace-prefix-assig | - This is an instance of the SSAX parser that returns an SXML | - representation of the XML document to be read from PORT. | - NAMESPACE-PREFIX-ASSIG is a list of `(USER-PREFIX . URI-STRING)' | - that assigns USER-PREFIXes to certain namespaces identified by | - particular URI-STRINGs. It may be an empty list. | - `ssax:xml->sxml' returns an SXML tree. The port points out to the | - first character after the root element. | - | + (else #f))) + (current-input-port)) + + will try to read an alphabetic token from the current input port, + and return it in lower case. + + -- Function: ssax:read-string len port + Reads LEN characters from the PORT, and returns them in a string. + If EOF is encountered before LEN characters are read, a shorter + string will be returned. + +4.11.3 Data Types +----------------- + +`TAG-KIND' + A symbol `START', `END', `PI', `DECL', `COMMENT', `CDSECT', or + `ENTITY-REF' that identifies a markup token + +`UNRES-NAME' + a name (called GI in the XML Recommendation) as given in an XML + document for a markup token: start-tag, PI target, attribute name. + If a GI is an NCName, UNRES-NAME is this NCName converted into a + Scheme symbol. If a GI is a QName, `UNRES-NAME' is a pair of + symbols: `(PREFIX . LOCALPART)'. + +`RES-NAME' + An expanded name, a resolved version of an `UNRES-NAME'. For an + element or an attribute name with a non-empty namespace URI, + `RES-NAME' is a pair of symbols, `(URI-SYMB . LOCALPART)'. + Otherwise, it's a single symbol. + +`ELEM-CONTENT-MODEL' + A symbol: + `ANY' + anything goes, expect an END tag. + + `EMPTY-TAG' + no content, and no END-tag is coming + + `EMPTY' + no content, expect the END-tag as the next token + + `PCDATA' + expect character data only, and no children elements + + `MIXED' + + `ELEM-CONTENT' + +`URI-SYMB' + A symbol representing a namespace URI - or other symbol chosen by + the user to represent URI. In the former case, `URI-SYMB' is + created by %-quoting of bad URI characters and converting the + resulting string into a symbol. + +`NAMESPACES' + A list representing namespaces in effect. An element of the list + has one of the following forms: + + `(PREFIX URI-SYMB . URI-SYMB) or' + + `(PREFIX USER-PREFIX . URI-SYMB)' + USER-PREFIX is a symbol chosen by the user to represent the + URI. + + `(#f USER-PREFIX . URI-SYMB)' + Specification of the user-chosen prefix and a URI-SYMBOL. + + `(*DEFAULT* USER-PREFIX . URI-SYMB)' + Declaration of the default namespace + + `(*DEFAULT* #f . #f)' + Un-declaration of the default namespace. This notation + represents overriding of the previous declaration + + + A NAMESPACES list may contain several elements for the same PREFIX. + The one closest to the beginning of the list takes effect. + +`ATTLIST' + An ordered collection of (NAME . VALUE) pairs, where NAME is a + RES-NAME or an UNRES-NAME. The collection is an ADT. + +`STR-HANDLER' + A procedure of three arguments: STRING1 STRING2 SEED returning a + new SEED. The procedure is supposed to handle a chunk of + character data STRING1 followed by a chunk of character data + STRING2. STRING2 is a short string, often `"\n"' and even `""'. + +`ENTITIES' + An assoc list of pairs: + (NAMED-ENTITY-NAME . NAMED-ENTITY-BODY) + + where NAMED-ENTITY-NAME is a symbol under which the entity was + declared, NAMED-ENTITY-BODY is either a string, or (for an + external entity) a thunk that will return an input port (from which + the entity can be read). NAMED-ENTITY-BODY may also be #f. This + is an indication that a NAMED-ENTITY-NAME is currently being + expanded. A reference to this NAMED-ENTITY-NAME will be an error: + violation of the WFC nonrecursion. + +`XML-TOKEN' + This record represents a markup, which is, according to the XML + Recommendation, "takes the form of start-tags, end-tags, + empty-element tags, entity references, character references, + comments, CDATA section delimiters, document type declarations, and + processing instructions." + + kind + a TAG-KIND + + head + an UNRES-NAME. For XML-TOKENs of kinds 'COMMENT and 'CDSECT, + the head is #f. + + For example, +

=> kind=START, head=P +

=> kind=END, head=P +
=> kind=EMPTY-EL, head=BR + => kind=DECL, head=DOCTYPE + => kind=PI, head=xml + &my-ent; => kind=ENTITY-REF, head=my-ent + + Character references are not represented by xml-tokens as these + references are transparently resolved into the corresponding + characters. + +`XML-DECL' + The record represents a datatype of an XML document: the list of + declared elements and their attributes, declared notations, list of + replacement strings or loading procedures for parsed general + entities, etc. Normally an XML-DECL record is created from a DTD + or an XML Schema, although it can be created and filled in in many + other ways (e.g., loaded from a file). + + ELEMS + an (assoc) list of decl-elem or #f. The latter instructs the + parser to do no validation of elements and attributes. + + DECL-ELEM + declaration of one element: + + `(ELEM-NAME ELEM-CONTENT DECL-ATTRS)' + + ELEM-NAME is an UNRES-NAME for the element. + + ELEM-CONTENT is an ELEM-CONTENT-MODEL. + + DECL-ATTRS is an `ATTLIST', of `(ATTR-NAME . VALUE)' + associations. + + This element can declare a user procedure to handle parsing + of an element (e.g., to do a custom validation, or to build a + hash of IDs as they're encountered). + + DECL-ATTR + an element of an `ATTLIST', declaration of one attribute: + + `(ATTR-NAME CONTENT-TYPE USE-TYPE DEFAULT-VALUE)' + + ATTR-NAME is an UNRES-NAME for the declared attribute. + + CONTENT-TYPE is a symbol: `CDATA', `NMTOKEN', `NMTOKENS', ... + or a list of strings for the enumerated type. + + USE-TYPE is a symbol: `REQUIRED', `IMPLIED', or `FIXED'. + + DEFAULT-VALUE is a string for the default value, or #f if not + given. + + + +4.11.4 Low-Level Parsers and Scanners +------------------------------------- + +These procedures deal with primitive lexical units (Names, whitespaces, +tags) and with pieces of more generic productions. Most of these +parsers must be called in appropriate context. For example, +`ssax:complete-start-tag' must be called only when the start-tag has +been detected and its GI has been read. + + -- Function: ssax:skip-s port + Skip the S (whitespace) production as defined by + [3] S ::= (#x20 | #x09 | #x0D | #x0A) + + `ssax:skip-s' returns the first not-whitespace character it + encounters while scanning the PORT. This character is left on the + input stream. + + -- Function: ssax:read-ncname port + Read a NCName starting from the current position in the PORT and + return it as a symbol. + + [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' + | CombiningChar | Extender + [5] Name ::= (Letter | '_' | ':') (NameChar)* + + This code supports the XML Namespace Recommendation REC-xml-names, + which modifies the above productions as follows: + + [4] NCNameChar ::= Letter | Digit | '.' | '-' | '_' + | CombiningChar | Extender + [5] NCName ::= (Letter | '_') (NCNameChar)* + + As the Rec-xml-names says, + + "An XML document conforms to this specification if all other + tokens [other than element types and attribute names] in the + document which are required, for XML conformance, to match + the XML production for Name, match this specification's + production for NCName." + + Element types and attribute names must match the production QName, + defined below. + + -- Function: ssax:read-qname port + Read a (namespace-) Qualified Name, QName, from the current + position in PORT; and return an UNRES-NAME. + + From REC-xml-names: + [6] QName ::= (Prefix ':')? LocalPart + [7] Prefix ::= NCName + [8] LocalPart ::= NCName + + -- Function: ssax:read-markup-token port + This procedure starts parsing of a markup token. The current + position in the stream must be `<'. This procedure scans enough + of the input stream to figure out what kind of a markup token it + is seeing. The procedure returns an XML-TOKEN structure + describing the token. Note, generally reading of the current + markup is not finished! In particular, no attributes of the + start-tag token are scanned. + + Here's a detailed break out of the return values and the position + in the PORT when that particular value is returned: + + PI-token + only PI-target is read. To finish the Processing-Instruction + and disregard it, call `ssax:skip-pi'. `ssax:read-attributes' + may be useful as well (for PIs whose content is + attribute-value pairs). + + END-token + The end tag is read completely; the current position is right + after the terminating `>' character. + + COMMENT + is read and skipped completely. The current position is + right after `-->' that terminates the comment. + + CDSECT + The current position is right after `' combination that terminates PI. + + [16] PI ::= '' Char*)))? '?>' + + -- Function: ssax:skip-internal-dtd port + The current pos in the port is inside an internal DTD subset (e.g., + after reading `#\[' that begins an internal DTD subset) Skip until + the `]>' combination that terminates this DTD. + + -- Function: ssax:read-cdata-body port str-handler seed + This procedure must be called after we have read a string + `' combination is the end of the CDATA section. `>' is + treated as an embedded `>' character. + + * `<' and `&' are not specially recognized (and are not + expanded)! + + + -- Function: ssax:read-char-ref port + [66] CharRef ::= '&#' [0-9]+ ';' + | '&#x' [0-9a-fA-F]+ ';' + + This procedure must be called after we we have read `&#' that + introduces a char reference. The procedure reads this reference + and returns the corresponding char. The current position in PORT + will be after the `;' that terminates the char reference. + + Faults detected: + WFC: XML-Spec.html#wf-Legalchar + + According to Section `4.1 Character and Entity References' of the + XML Recommendation: + + "[Definition: A character reference refers to a specific + character in the ISO/IEC 10646 character set, for example one + not directly accessible from available input devices.]" + + + -- Function: ssax:handle-parsed-entity port name entities + content-handler str-handler seed + Expands and handles a parsed-entity reference. + + NAME is a symbol, the name of the parsed entity to expand. + CONTENT-HANDLER is a procedure of arguments PORT, ENTITIES, and + SEED that returns a seed. STR-HANDLER is called if the entity in + question is a pre-declared entity. + + `ssax:handle-parsed-entity' returns the result returned by + CONTENT-HANDLER or STR-HANDLER. + + Faults detected: + WFC: XML-Spec.html#wf-entdeclared + WFC: XML-Spec.html#norecursion + + -- Function: attlist-add attlist name-value + Add a NAME-VALUE pair to the existing ATTLIST, preserving its + sorted ascending order; and return the new list. Return #f if a + pair with the same name already exists in ATTLIST + + -- Function: attlist-remove-top attlist + Given an non-null ATTLIST, return a pair of values: the top and + the rest. + + -- Function: ssax:read-attributes port entities + This procedure reads and parses a production "Attribute". + + [41] Attribute ::= Name Eq AttValue + [10] AttValue ::= '"' ([^<&"] | Reference)* '"' + | "'" ([^<&'] | Reference)* "'" + [25] Eq ::= S? '=' S? + + The procedure returns an ATTLIST, of Name (as UNRES-NAME), Value + (as string) pairs. The current character on the PORT is a + non-whitespace character that is not an NCName-starting character. + + Note the following rules to keep in mind when reading an + "AttValue": + + Before the value of an attribute is passed to the application + or checked for validity, the XML processor must normalize it + as follows: + + * A character reference is processed by appending the + referenced character to the attribute value. + + * An entity reference is processed by recursively + processing the replacement text of the entity. The + named entities `amp', `lt', `gt', `quot', and `apos' are + pre-declared. + + * A whitespace character (#x20, #x0D, #x0A, #x09) is + processed by appending #x20 to the normalized value, + except that only a single #x20 is appended for a + "#x0D#x0A" sequence that is part of an external parsed + entity or the literal entity value of an internal parsed + entity. + + * Other characters are processed by appending them to the + normalized value. + + + + Faults detected: + WFC: XML-Spec.html#CleanAttrVals + WFC: XML-Spec.html#uniqattspec + + -- Function: ssax:resolve-name port unres-name namespaces + apply-default-ns? + Convert an UNRES-NAME to a RES-NAME, given the appropriate + NAMESPACES declarations. The last parameter, APPLY-DEFAULT-NS?, + determines if the default namespace applies (for instance, it does + not for attribute names). + + Per REC-xml-names/#nsc-NSDeclared, the "xml" prefix is considered + pre-declared and bound to the namespace name + "http://www.w3.org/XML/1998/namespace". + + `ssax:resolve-name' tests for the namespace constraints: + `http://www.w3.org/TR/REC-xml-names/#nsc-NSDeclared' + + -- Function: ssax:complete-start-tag tag port elems entities namespaces + Complete parsing of a start-tag markup. `ssax:complete-start-tag' + must be called after the start tag token has been read. TAG is an + UNRES-NAME. ELEMS is an instance of the ELEMS slot of XML-DECL; + it can be #f to tell the function to do _no_ validation of + elements and their attributes. + + `ssax:complete-start-tag' returns several values: + * ELEM-GI: a RES-NAME. + + * ATTRIBUTES: element's attributes, an ATTLIST of (RES-NAME . + STRING) pairs. The list does NOT include xmlns attributes. + + * NAMESPACES: the input list of namespaces amended with + namespace (re-)declarations contained within the start-tag + under parsing + + * ELEM-CONTENT-MODEL + + On exit, the current position in PORT will be the first character + after `>' that terminates the start-tag markup. + + Faults detected: + VC: XML-Spec.html#enum + VC: XML-Spec.html#RequiredAttr + VC: XML-Spec.html#FixedAttr + VC: XML-Spec.html#ValueType + WFC: XML-Spec.html#uniqattspec (after namespaces prefixes are + resolved) + VC: XML-Spec.html#elementvalid + WFC: REC-xml-names/#dt-NSName + + _Note_: although XML Recommendation does not explicitly say it, + xmlns and xmlns: attributes don't have to be declared (although + they can be declared, to specify their default value). + + -- Function: ssax:read-external-id port + Parses an ExternalID production: + + [75] ExternalID ::= 'SYSTEM' S SystemLiteral + | 'PUBLIC' S PubidLiteral S SystemLiteral + [11] SystemLiteral ::= ('"' [^"]* '"') | ("'" [^']* "'") + [12] PubidLiteral ::= '"' PubidChar* '"' + | "'" (PubidChar - "'")* "'" + [13] PubidChar ::= #x20 | #x0D | #x0A | [a-zA-Z0-9] + | [-'()+,./:=?;!*#@$_%] + + Call `ssax:read-external-id' when an ExternalID is expected; that + is, the current character must be either #\S or #\P that starts + correspondingly a SYSTEM or PUBLIC token. `ssax:read-external-id' + returns the SYSTEMLITERAL as a string. A PUBIDLITERAL is + disregarded if present. + +4.11.5 Mid-Level Parsers and Scanners +------------------------------------- + +These procedures parse productions corresponding to the whole +(document) entity or its higher-level pieces (prolog, root element, +etc). + + -- Function: ssax:scan-misc port + Scan the Misc production in the context: + + [1] document ::= prolog element Misc* + [22] prolog ::= XMLDecl? Misc* (doctypedec l Misc*)? + [27] Misc ::= Comment | PI | S + + Call `ssax:scan-misc' in the prolog or epilog contexts. In these + contexts, whitespaces are completely ignored. The return value + from `ssax:scan-misc' is either a PI-token, a DECL-token, a START + token, or *EOF*. Comments are ignored and not reported. + + -- Function: ssax:read-char-data port expect-eof? str-handler iseed + Read the character content of an XML document or an XML element. + + [43] content ::= + (element | CharData | Reference | CDSect | PI | Comment)* + + To be more precise, `ssax:read-char-data' reads CharData, expands + CDSect and character entities, and skips comments. + `ssax:read-char-data' stops at a named reference, EOF, at the + beginning of a PI, or a start/end tag. + + EXPECT-EOF? is a boolean indicating if EOF is normal; i.e., the + character data may be terminated by the EOF. EOF is normal while + processing a parsed entity. + + ISEED is an argument passed to the first invocation of STR-HANDLER. + + `ssax:read-char-data' returns two results: SEED and TOKEN. The + SEED is the result of the last invocation of STR-HANDLER, or the + original ISEED if STR-HANDLER was never called. + + TOKEN can be either an eof-object (this can happen only if + EXPECT-EOF? was #t), or: + * an xml-token describing a START tag or an END-tag; For a + start token, the caller has to finish reading it. + + * an xml-token describing the beginning of a PI. It's up to an + application to read or skip through the rest of this PI; + + * an xml-token describing a named entity reference. + + + CDATA sections and character references are expanded inline and + never returned. Comments are silently disregarded. + + As the XML Recommendation requires, all whitespace in character + data must be preserved. However, a CR character (#x0D) must be + disregarded if it appears before a LF character (#x0A), or replaced + by a #x0A character otherwise. See Secs. 2.10 and 2.11 of the XML + Recommendation. See also the canonical XML Recommendation. + + -- Function: ssax:assert-token token kind gi error-cont + Make sure that TOKEN is of anticipated KIND and has anticipated + GI. Note that the GI argument may actually be a pair of two + symbols, Namespace-URI or the prefix, and of the localname. If + the assertion fails, ERROR-CONT is evaluated by passing it three + arguments: TOKEN KIND GI. The result of ERROR-CONT is returned. + +4.11.6 High-level Parsers +------------------------- + +These procedures are to instantiate a SSAX parser. A user can +instantiate the parser to do the full validation, or no validation, or +any particular validation. The user specifies which PI he wants to be +notified about. The user tells what to do with the parsed character +and element data. The latter handlers determine if the parsing follows +a SAX or a DOM model. + + -- Function: ssax:make-pi-parser my-pi-handlers + Create a parser to parse and process one Processing Element (PI). + + MY-PI-HANDLERS is an association list of pairs `(PI-TAG . + PI-HANDLER)' where PI-TAG is an NCName symbol, the PI target; and + PI-HANDLER is a procedure taking arguments PORT, PI-TAG, and SEED. + + PI-HANDLER should read the rest of the PI up to and including the + combination `?>' that terminates the PI. The handler should + return a new seed. One of the PI-TAGs may be the symbol + `*DEFAULT*'. The corresponding handler will handle PIs that no + other handler will. If the *DEFAULT* PI-TAG is not specified, + `ssax:make-pi-parser' will assume the default handler that skips + the body of the PI. + + `ssax:make-pi-parser' returns a procedure of arguments PORT, + PI-TAG, and SEED; that will parse the current PI according to + MY-PI-HANDLERS. + + -- Function: ssax:make-elem-parser my-new-level-seed my-finish-element + my-char-data-handler my-pi-handlers + Create a parser to parse and process one element, including its + character content or children elements. The parser is typically + applied to the root element of a document. + + MY-NEW-LEVEL-SEED + is a procedure taking arguments: + + ELEM-GI ATTRIBUTES NAMESPACES EXPECTED-CONTENT SEED + + where ELEM-GI is a RES-NAME of the element about to be + processed. + + MY-NEW-LEVEL-SEED is to generate the seed to be passed to + handlers that process the content of the element. + + MY-FINISH-ELEMENT + is a procedure taking arguments: + + ELEM-GI ATTRIBUTES NAMESPACES PARENT-SEED SEED + + MY-FINISH-ELEMENT is called when parsing of ELEM-GI is + finished. The SEED is the result from the last content + parser (or from MY-NEW-LEVEL-SEED if the element has the + empty content). PARENT-SEED is the same seed as was passed + to MY-NEW-LEVEL-SEED. MY-FINISH-ELEMENT is to generate a + seed that will be the result of the element parser. + + MY-CHAR-DATA-HANDLER + is a STR-HANDLER as described in Data Types above. + + MY-PI-HANDLERS + is as described for `ssax:make-pi-handler' above. + + + The generated parser is a procedure taking arguments: + + START-TAG-HEAD PORT ELEMS ENTITIES NAMESPACES PRESERVE-WS? SEED + + The procedure must be called after the start tag token has been + read. START-TAG-HEAD is an UNRES-NAME from the start-element tag. + ELEMS is an instance of ELEMS slot of XML-DECL. + + Faults detected: + VC: XML-Spec.html#elementvalid + WFC: XML-Spec.html#GIMatch + + -- Function: ssax:make-parser user-handler-tag user-handler ... + Create an XML parser, an instance of the XML parsing framework. + This will be a SAX, a DOM, or a specialized parser depending on the + supplied user-handlers. + + `ssax:make-parser' takes an even number of arguments; + USER-HANDLER-TAG is a symbol that identifies a procedure (or + association list for `PROCESSING-INSTRUCTIONS') (USER-HANDLER) + that follows the tag. Given below are tags and signatures of the + corresponding procedures. Not all tags have to be specified. If + some are omitted, reasonable defaults will apply. + + `DOCTYPE' + handler-procedure: PORT DOCNAME SYSTEMID INTERNAL-SUBSET? SEED + + If INTERNAL-SUBSET? is #t, the current position in the port is + right after we have read `[' that begins the internal DTD + subset. We must finish reading of this subset before we + return (or must call `skip-internal-dtd' if we aren't + interested in reading it). PORT at exit must be at the first + symbol after the whole DOCTYPE declaration. + + The handler-procedure must generate four values: + + ELEMS ENTITIES NAMESPACES SEED + + ELEMS is as defined for the ELEMS slot of XML-DECL. It may be + #f to switch off validation. NAMESPACES will typically + contain USER-PREFIXes for selected URI-SYMBs. The default + handler-procedure skips the internal subset, if any, and + returns `(values #f '() '() seed)'. + + `UNDECL-ROOT' + procedure: ELEM-GI SEED + + where ELEM-GI is an UNRES-NAME of the root element. This + procedure is called when an XML document under parsing + contains _no_ DOCTYPE declaration. + + The handler-procedure, as a DOCTYPE handler procedure above, + must generate four values: + + ELEMS ENTITIES NAMESPACES SEED + + The default handler-procedure returns (values #f '() '() seed) + + `DECL-ROOT' + procedure: ELEM-GI SEED + + where ELEM-GI is an UNRES-NAME of the root element. This + procedure is called when an XML document under parsing does + contains the DOCTYPE declaration. The handler-procedure must + generate a new SEED (and verify that the name of the root + element matches the doctype, if the handler so wishes). The + default handler-procedure is the identity function. + + `NEW-LEVEL-SEED' + procedure: see ssax:make-elem-parser, my-new-level-seed + + `FINISH-ELEMENT' + procedure: see ssax:make-elem-parser, my-finish-element + + `CHAR-DATA-HANDLER' + procedure: see ssax:make-elem-parser, my-char-data-handler + + `PROCESSING-INSTRUCTIONS' + association list as is passed to `ssax:make-pi-parser'. The + default value is '() + + + The generated parser is a procedure of arguments PORT and SEED. + + This procedure parses the document prolog and then exits to an + element parser (created by `ssax:make-elem-parser') to handle the + rest. + + [1] document ::= prolog element Misc* + [22] prolog ::= XMLDecl? Misc* (doctypedec | Misc*)? + [27] Misc ::= Comment | PI | S + [28] doctypedecl ::= '' + [29] markupdecl ::= elementdecl | AttlistDecl + | EntityDecl + | NotationDecl | PI + | Comment + +4.11.7 Parsing XML to SXML +-------------------------- + + -- Function: ssax:xml->sxml port namespace-prefix-assig + This is an instance of the SSAX parser that returns an SXML + representation of the XML document to be read from PORT. + NAMESPACE-PREFIX-ASSIG is a list of `(USER-PREFIX . URI-STRING)' + that assigns USER-PREFIXes to certain namespaces identified by + particular URI-STRINGs. It may be an empty list. + `ssax:xml->sxml' returns an SXML tree. The port points out to the + first character after the root element. +  File: slib.info, Node: Printing Scheme, Next: Time and Date, Prev: Parsing XML, Up: Textual Conversion Packages - | -4.12 Printing Scheme | + +4.12 Printing Scheme ==================== * Menu: @@ -6029,7 +6029,7 @@ File: slib.info, Node: Printing Scheme, Next: Time and Date, Prev: Parsing XM  File: slib.info, Node: Generic-Write, Next: Object-To-String, Prev: Printing Scheme, Up: Printing Scheme -4.12.1 Generic-Write | +4.12.1 Generic-Write -------------------- `(require 'generic-write)' @@ -6072,7 +6072,7 @@ printing, output to a string and truncated output.  File: slib.info, Node: Object-To-String, Next: Pretty-Print, Prev: Generic-Write, Up: Printing Scheme -4.12.2 Object-To-String | +4.12.2 Object-To-String ----------------------- `(require 'object->string)' @@ -6087,7 +6087,7 @@ File: slib.info, Node: Object-To-String, Next: Pretty-Print, Prev: Generic-Wr  File: slib.info, Node: Pretty-Print, Prev: Object-To-String, Up: Printing Scheme -4.12.3 Pretty-Print | +4.12.3 Pretty-Print ------------------- `(require 'pretty-print)' @@ -6178,7 +6178,7 @@ thus can reduce loading time. The following will write into  File: slib.info, Node: Time and Date, Next: NCBI-DNA, Prev: Printing Scheme, Up: Textual Conversion Packages -4.13 Time and Date | +4.13 Time and Date ================== * Menu: @@ -6211,7 +6211,7 @@ Scheme datatypes.  File: slib.info, Node: Time Zone, Next: Posix Time, Prev: Time and Date, Up: Time and Date -4.13.1 Time Zone | +4.13.1 Time Zone ---------------- (require 'time-zone) @@ -6338,7 +6338,7 @@ compatability. Because of shared state they are not thread-safe.  File: slib.info, Node: Posix Time, Next: Common-Lisp Time, Prev: Time Zone, Up: Time and Date -4.13.2 Posix Time | +4.13.2 Posix Time ----------------- (require 'posix-time) @@ -6410,7 +6410,7 @@ File: slib.info, Node: Posix Time, Next: Common-Lisp Time, Prev: Time Zone,  File: slib.info, Node: Common-Lisp Time, Next: Time Infrastructure, Prev: Posix Time, Up: Time and Date -4.13.3 Common-Lisp Time | +4.13.3 Common-Lisp Time ----------------------- -- Function: get-decoded-time @@ -6460,7 +6460,7 @@ File: slib.info, Node: Common-Lisp Time, Next: Time Infrastructure, Prev: Pos  File: slib.info, Node: Time Infrastructure, Prev: Common-Lisp Time, Up: Time and Date -4.13.4 Time Infrastructure | +4.13.4 Time Infrastructure -------------------------- `(require 'time-core)' @@ -6476,11 +6476,11 @@ File: slib.info, Node: Time Infrastructure, Prev: Common-Lisp Time, Up: Time  File: slib.info, Node: NCBI-DNA, Next: Schmooz, Prev: Time and Date, Up: Textual Conversion Packages -4.14 NCBI-DNA | +4.14 NCBI-DNA ============= -`(require 'ncbi-dma)' | - | +`(require 'ncbi-dma)' + -- Function: ncbi:read-dna-sequence port Reads the NCBI-format DNA sequence following the word `ORIGIN' from PORT. @@ -6519,7 +6519,7 @@ sequence with the `BASE COUNT' line preceding the sequence from NCBI.  File: slib.info, Node: Schmooz, Prev: NCBI-DNA, Up: Textual Conversion Packages -4.15 Schmooz | +4.15 Schmooz ============ "Schmooz" is a simple, lightweight markup language for interspersing @@ -6712,7 +6712,7 @@ representation. 5.1.2 Integer Properties ------------------------ - -- Function: logcount n | + -- Function: logcount n Returns the number of bits in integer N. If integer is positive, the 1-bits in its binary representation are counted. If negative, the 0-bits in its two's-complement binary representation are @@ -6726,17 +6726,17 @@ representation. (logcount -2) => 1 -On `discuss@r6rs.org' Ben Harris credits Simon Tatham with the idea to | -have `bitwise-bit-count' return a negative count for negative inputs. | -Alan Bawden came up with the succinct invariant. | - | - -- Function: bitwise-bit-count n | - If N is non-negative, this procedure returns the number of 1 bits | - in the two's-complement representation of N. Otherwise it returns | - the result of the following computation: | - | - (bitwise-not (bitwise-bit-count (bitwise-not N))) | - | +On `discuss@r6rs.org' Ben Harris credits Simon Tatham with the idea to +have `bitwise-bit-count' return a negative count for negative inputs. +Alan Bawden came up with the succinct invariant. + + -- Function: bitwise-bit-count n + If N is non-negative, this procedure returns the number of 1 bits + in the two's-complement representation of N. Otherwise it returns + the result of the following computation: + + (bitwise-not (bitwise-bit-count (bitwise-not N))) + -- Function: integer-length n Returns the number of bits neccessary to represent N. @@ -8955,15 +8955,18 @@ and Z "Spectral Tristimulus Values". The files `cie1931.xyz' and `cie1964.xyz' in the distribution contain these CIE-defined values. -- Feature: cie1964 - Loads the Spectral Tristimulus Values defining `CIE 1964 - Supplementary Standard Colorimetric Observer'. + Loads the Spectral Tristimulus Values `CIE 1964 Supplementary | + Standard Colorimetric Observer', defining CIE:X-BAR, CIE:Y-BAR, | + and CIE:Z-BAR. | -- Feature: cie1931 - Loads the Spectral Tristimulus Values defining `CIE 1931 - Supplementary Standard Colorimetric Observer'. + Loads the Spectral Tristimulus Values `CIE 1931 Supplementary | + Standard Colorimetric Observer', defining CIE:X-BAR, CIE:Y-BAR, | + and CIE:Z-BAR. | -- Feature: ciexyz - Requires Spectral Tristimulus Values, defaulting to cie1931. + Requires Spectral Tristimulus Values, defaulting to cie1931, | + defining CIE:X-BAR, CIE:Y-BAR, and CIE:Z-BAR. | `(require 'cie1964)' or `(require 'cie1931)' will `load-ciexyz' specific values used by the following spectrum conversion procedures. @@ -9555,7 +9558,7 @@ File: slib.info, Node: Root Finding, Next: Minimizing, Prev: Color, Up: Math ================= `(require 'root)' - | + -- Function: newton:find-integer-root f df/dx x0 Given integer valued procedure F, its derivative (with respect to its argument) DF/DX, and initial integer value X0 for which @@ -10080,7 +10083,7 @@ linear-algebra texts, this package uses 0-based coordinates. Returns the list-of-lists form of MATRIX. -- Function: matrix->array matrix - Returns the (ones-based) array form of MATRIX. + Returns the array form of MATRIX. | -- Function: determinant matrix MATRIX must be a square matrix. `determinant' returns the @@ -10094,23 +10097,23 @@ linear-algebra texts, this package uses 0-based coordinates. Returns a copy of MATRIX flipped over the diagonal containing the 1,1 element. - -- Function: matrix:sum m1 m2 | - Returns the element-wise sum of matricies M1 and M2. | - | - -- Function: matrix:difference m1 m2 | - Returns the element-wise difference of matricies M1 and M2. | - | + -- Function: matrix:sum m1 m2 + Returns the element-wise sum of matricies M1 and M2. + + -- Function: matrix:difference m1 m2 + Returns the element-wise difference of matricies M1 and M2. + -- Function: matrix:product m1 m2 Returns the product of matrices M1 and M2. - -- Function: matrix:product m1 z | - Returns matrix M1 times scalar Z. | - | - -- Function: matrix:product z m1 | - Returns matrix M1 times scalar Z. | - | + -- Function: matrix:product m1 z + Returns matrix M1 times scalar Z. + + -- Function: matrix:product z m1 + Returns matrix M1 times scalar Z. + -- Function: matrix:inverse matrix - MATRIX must be a square matrix. If MATRIX is singlar, then + MATRIX must be a square matrix. If MATRIX is singular, then | `matrix:inverse' returns #f; otherwise `matrix:inverse' returns the `matrix:product' inverse of MATRIX. @@ -12438,95 +12441,95 @@ uniform-array type is supported by the implementation, then it is returned; defaulting to the next larger precision type; resorting finally to vector. - -- Function: A:floC128b z | - -- Function: A:floC128b | + -- Function: A:floC128b z + -- Function: A:floC128b Returns an inexact 128.bit flonum complex uniform-array prototype. - -- Function: A:floC64b z | - -- Function: A:floC64b | + -- Function: A:floC64b z + -- Function: A:floC64b Returns an inexact 64.bit flonum complex uniform-array prototype. - -- Function: A:floC32b z | - -- Function: A:floC32b | + -- Function: A:floC32b z + -- Function: A:floC32b Returns an inexact 32.bit flonum complex uniform-array prototype. - -- Function: A:floC16b z | - -- Function: A:floC16b | + -- Function: A:floC16b z + -- Function: A:floC16b Returns an inexact 16.bit flonum complex uniform-array prototype. - -- Function: A:floR128b x | - -- Function: A:floR128b | + -- Function: A:floR128b x + -- Function: A:floR128b Returns an inexact 128.bit flonum real uniform-array prototype. - -- Function: A:floR64b x | - -- Function: A:floR64b | + -- Function: A:floR64b x + -- Function: A:floR64b Returns an inexact 64.bit flonum real uniform-array prototype. - -- Function: A:floR32b x | - -- Function: A:floR32b | + -- Function: A:floR32b x + -- Function: A:floR32b Returns an inexact 32.bit flonum real uniform-array prototype. - -- Function: A:floR16b x | - -- Function: A:floR16b | + -- Function: A:floR16b x + -- Function: A:floR16b Returns an inexact 16.bit flonum real uniform-array prototype. - -- Function: A:floR128d q | - -- Function: A:floR128d | + -- Function: A:floR128d q + -- Function: A:floR128d Returns an exact 128.bit decimal flonum rational uniform-array prototype. - -- Function: A:floR64d q | - -- Function: A:floR64d | + -- Function: A:floR64d q + -- Function: A:floR64d Returns an exact 64.bit decimal flonum rational uniform-array prototype. - -- Function: A:floR32d q | - -- Function: A:floR32d | + -- Function: A:floR32d q + -- Function: A:floR32d Returns an exact 32.bit decimal flonum rational uniform-array prototype. - -- Function: A:fixZ64b n | - -- Function: A:fixZ64b | + -- Function: A:fixZ64b n + -- Function: A:fixZ64b Returns an exact binary fixnum uniform-array prototype with at least 64 bits of precision. - -- Function: A:fixZ32b n | - -- Function: A:fixZ32b | + -- Function: A:fixZ32b n + -- Function: A:fixZ32b Returns an exact binary fixnum uniform-array prototype with at least 32 bits of precision. - -- Function: A:fixZ16b n | - -- Function: A:fixZ16b | + -- Function: A:fixZ16b n + -- Function: A:fixZ16b Returns an exact binary fixnum uniform-array prototype with at least 16 bits of precision. - -- Function: A:fixZ8b n | - -- Function: A:fixZ8b | + -- Function: A:fixZ8b n + -- Function: A:fixZ8b Returns an exact binary fixnum uniform-array prototype with at least 8 bits of precision. - -- Function: A:fixN64b k | - -- Function: A:fixN64b | + -- Function: A:fixN64b k + -- Function: A:fixN64b Returns an exact non-negative binary fixnum uniform-array prototype with at least 64 bits of precision. - -- Function: A:fixN32b k | - -- Function: A:fixN32b | + -- Function: A:fixN32b k + -- Function: A:fixN32b Returns an exact non-negative binary fixnum uniform-array prototype with at least 32 bits of precision. - -- Function: A:fixN16b k | - -- Function: A:fixN16b | + -- Function: A:fixN16b k + -- Function: A:fixN16b Returns an exact non-negative binary fixnum uniform-array prototype with at least 16 bits of precision. - -- Function: A:fixN8b k | - -- Function: A:fixN8b | + -- Function: A:fixN8b k + -- Function: A:fixN8b Returns an exact non-negative binary fixnum uniform-array prototype with at least 8 bits of precision. - -- Function: A:bool bool | - -- Function: A:bool | + -- Function: A:bool bool + -- Function: A:bool Returns a boolean uniform-array prototype.  @@ -12628,16 +12631,16 @@ File: slib.info, Node: Array Mapping, Next: Array Interpolation, Prev: Subarr a list of indexes for which ARRAY is defined, (equal? LI (apply array-ref (array-indexes ARRAY) LI)). - -- Function: array-index-for-each array proc | - applies PROC to the indices of each element of ARRAY in turn. The | - value returned and the order of application are unspecified. | - | - One can implement ARRAY-INDEX-MAP! as | - (define (array-index-map! ra fun) | - (array-index-for-each | - ra | - (lambda is (apply array-set! ra (apply fun is) is)))) | - | + -- Function: array-index-for-each array proc + applies PROC to the indices of each element of ARRAY in turn. The + value returned and the order of application are unspecified. + + One can implement ARRAY-INDEX-MAP! as + (define (array-index-map! ra fun) + (array-index-for-each + ra + (lambda is (apply array-set! ra (apply fun is) is)))) + -- Procedure: array-index-map! array proc applies PROC to the indices of each element of ARRAY in turn, storing the result in the corresponding element. The value @@ -12781,18 +12784,28 @@ character sets. These functions abstract the notion of a "byte". -- Function: bytes byte ... Returns a newly allocated byte-array composed of the small nonnegative arguments. - - -- Function: bytes->list bytes - `bytes->list' returns a newly allocated list of the bytes that - make up the given byte-array. - + | -- Function: list->bytes bytes `list->bytes' returns a newly allocated byte-array formed from the small nonnegative integers in the list BYTES. + -- Function: bytes->list bytes | + `bytes->list' returns a newly allocated list of the bytes that | + make up the given byte-array. | + | `Bytes->list' and `list->bytes' are inverses so far as `equal?' is concerned. + -- Function: bytes->string bytes | + Returns a new string formed from applying `integer->char' to each | + byte in `bytes->string'. Note that this may signal an error for | + bytes having values between 128 and 255. | + | + -- Function: string->bytes string | + Returns a new byte-array formed from applying `char->integer' to | + each character in `string->bytes'. Note that this may signal an | + error if an integer is larger than 255. | + | -- Function: bytes-copy bytes Returns a newly allocated copy of the given BYTES. @@ -12848,8 +12861,8 @@ Byte/Number Conversions:: are always big-endian. `read-bytes' returns a newly allocated bytes-array filled with `(abs N)' bytes read from PORT. If N is positive, then the first byte read is stored at index 0; otherwise the last byte read is - stored at index 0. Note that the length of the returned string - will be less than `(abs N)' if PORT reaches end-of-file. + stored at index 0. Note that the length of the returned | + byte-array will be less than `(abs N)' if PORT reaches end-of-file. | PORT may be omitted, in which case it defaults to the value returned by `current-input-port'. @@ -12868,19 +12881,19 @@ Byte/Number Conversions:: are always big-endian. for reading and writing blocks of bytes. The relative size of START and END determines the order of writing. - -- Procedure: subbytes-read! string start end port - -- Procedure: subbytes-read! string start end - Fills STRING with up to `(abs (- START END))' bytes read from - PORT. The first byte read is stored at index STRING. - `subbytes-read!' returns the number of bytes read. + -- Procedure: subbytes-read! bts start end port | + -- Procedure: subbytes-read! bts start end | + Fills BTS with up to `(abs (- START END))' bytes read from PORT. | + The first byte read is stored at index BTS. `subbytes-read!' | + returns the number of bytes read. | PORT may be omitted, in which case it defaults to the value returned by `current-input-port'. - -- Function: subbytes-write string start end port - -- Function: subbytes-write string start end + -- Function: subbytes-write bts start end port | + -- Function: subbytes-write bts start end | `subbytes-write' writes `(abs (- START END))' bytes to output-port - PORT. The first byte written is index START of STRING. + PORT. The first byte written is index START of BTS. | `subbytes-write' returns the number of bytes written. PORT may be omitted, in which case it defaults to the value @@ -12944,7 +12957,7 @@ determines the signedness of the number. (bytes->ieee-float (bytes #xff #x80 0 0)) => -inf.0 (bytes->ieee-float (bytes #x7f #x80 0 0)) => +inf.0 (bytes->ieee-float (bytes #x7f #x80 0 1)) => 0/0 - (bytes->ieee-float (bytes #x7f #xc0 0 0)) => 0/0 | + (bytes->ieee-float (bytes #x7f #xc0 0 0)) => 0/0 -- Function: bytes->ieee-double bytes BYTES must be a 8-element byte-array. `bytes->ieee-double' @@ -13034,7 +13047,7 @@ enables the full range of numbers as keys in `ieee-byte-collate!' returns BYTE-VECTOR. -- Procedure: ieee-byte-decollate! byte-vector - Given BYTE-VECTOR modified by `ieee-byte-collate!', reverses the | + Given BYTE-VECTOR modified by `ieee-byte-collate!', reverses the BYTE-VECTOR modifications. -- Function: ieee-byte-collate byte-vector @@ -13042,7 +13055,7 @@ enables the full range of numbers as keys in IEEE floating-point byte-vectors matches numerical order. -- Function: ieee-byte-decollate byte-vector - Given BYTE-VECTOR returned by `ieee-byte-collate', reverses the | + Given BYTE-VECTOR returned by `ieee-byte-collate', reverses the BYTE-VECTOR modifications.  @@ -13197,7 +13210,7 @@ operations. -- Function: reduce proc seed collection1 ... A generalization of the list-based `reduce-init' (*note Lists as - sequences::) to collections. | + sequences::) to collections. Examples: (reduce + 0 (vector 1 2 3)) @@ -13205,9 +13218,9 @@ operations. (reduce union '() '((a b c) (b c d) (d a))) => (c b d a). - `Reduce' called with two arguments will work as does the procedure | - of the same name from *Note Common List Functions::). | - | + `Reduce' called with two arguments will work as does the procedure + of the same name from *Note Common List Functions::). + -- Function: any? pred collection1 ... A generalization of the list-based `some' (*note Lists as sequences::) to collections. @@ -14439,12 +14452,12 @@ File: slib.info, Node: Sorting, Next: Topological Sort, Prev: Chapter Orderin 7.2.4 Sorting ------------- -`(require 'sort)' or `(require 'srfi-95)' | +`(require 'sort)' or `(require 'srfi-95)' [by Richard A. O'Keefe, 1991] - | + I am providing this source code with no restrictions at all on its use -(but please retain D.H.D.Warren's credit for the original idea). | +(but please retain D.H.D.Warren's credit for the original idea). The code of `merge' and `merge!' could have been quite a bit simpler, but they have been coded to reduce the amount of work done per @@ -14456,7 +14469,7 @@ Common LISP's `stable-sort' is our `sort!'; merge sort is _fast_ as well as stable!) so adapting CL code to Scheme takes a bit of work anyway. I did, however, appeal to CL to determine the _order_ of the arguments. - | + The standard functions `<', `>', `char?', `char-ci?', `string?', `string-ci?' are suitable for use as comparison functions. Think of `(less? x y)' @@ -14465,13 +14478,13 @@ as saying when `x' must _not_ precede `y'. [Addendum by Aubrey Jaffer, 2006] These procedures are stable when called with predicates which return -`#f' when applied to identical arguments. | - | - The `sorted?', `merge', and `merge!' procedures consume asymptotic | -time and space no larger than O(N), where N is the sum of the lengths | -of the sequence arguments. The `sort' and `sort!' procedures consume | -asymptotic time and space no larger than O(N*log(N)), where N is the | -length of the sequence argument. | +`#f' when applied to identical arguments. + + The `sorted?', `merge', and `merge!' procedures consume asymptotic +time and space no larger than O(N), where N is the sum of the lengths +of the sequence arguments. The `sort' and `sort!' procedures consume +asymptotic time and space no larger than O(N*log(N)), where N is the +length of the sequence argument. All five functions take an optional KEY argument corresponding to a CL-style `&key' argument. A LESS? predicate with a KEY argument @@ -14479,9 +14492,9 @@ behaves like: (lambda (x y) (LESS? (KEY x) (KEY y))) - All five functions will call the KEY argument at most once per | -element. | - | + All five functions will call the KEY argument at most once per +element. + The `!' variants sort in place; `sort!' returns its SEQUENCE argument. -- Function: sorted? sequence less? @@ -14502,7 +14515,7 @@ element. | -- Function: merge! list1 list2 less? -- Function: merge! list1 list2 less? key Merges two sorted lists, re-using the pairs of LIST1 and LIST2 to - build the result. The result will be either LIST1 or LIST2. | + build the result. The result will be either LIST1 or LIST2. -- Function: sort sequence less? -- Function: sort sequence less? key @@ -14516,11 +14529,11 @@ element. | -- Function: sort! sequence less? -- Function: sort! sequence less? key - Returns list, array, vector, or string SEQUENCE which has been | - mutated to order its elements according to LESS?. Given valid | - arguments, it is always the case that: | - | - (sorted? (sort! SEQUENCE LESS?) LESS?) => #t | + Returns list, array, vector, or string SEQUENCE which has been + mutated to order its elements according to LESS?. Given valid + arguments, it is always the case that: + + (sorted? (sort! SEQUENCE LESS?) LESS?) => #t  File: slib.info, Node: Topological Sort, Next: Hashing, Prev: Sorting, Up: Sorting and Searching @@ -15768,13 +15781,13 @@ Implements "Scheme Request For Implementation" (SRFI) as described at * SRFI-9 *Note Define-Record-Type:: - * SRFI-11 *Note Binding to multiple values:: | - | + * SRFI-11 *Note Binding to multiple values:: + * SRFI-23 `(define error slib:error)' - * SRFI-28 *Note Format:: | + * SRFI-28 *Note Format:: - * SRFI-47 *Note Arrays:: | + * SRFI-47 *Note Arrays:: * SRFI-59 *Note Vicinity:: @@ -15782,12 +15795,14 @@ Implements "Scheme Request For Implementation" (SRFI) as described at * SRFI-61 *Note Guarded COND Clause:: - * SRFI-63 *Note Arrays:: | - | + * SRFI-63 *Note Arrays:: + * SRFI-94 *Note Irrational Integer Functions:: and *Note Irrational - Real Functions:: | - | - * SRFI-95 *Note Sorting:: | + Real Functions:: + + * SRFI-95 *Note Sorting:: + + * SRFI-96 *Note Universal SLIB Procedures:: | |  File: slib.info, Node: SRFI-1, Prev: SRFI, Up: SRFI @@ -15907,7 +15922,7 @@ Fold and Unfold -- Function: pair-fold-right kons knil clist1 clist2 ... - -- Function: reduce arg ... | + -- Function: reduce arg ... -- Procedure: map! f clist1 clist2 ... @@ -16299,19 +16314,25 @@ File: slib.info, Node: System Interface, Next: Extra-SLIB Packages, Prev: Ses 7.6 System Interface ==================== -If `(provided? 'getenv)': +If `(provided? 'getenv)': -- Function: getenv name Looks up NAME, a string, in the program environment. If NAME is found a string of its value is returned. Otherwise, `#f' is returned. -If `(provided? 'system)': +If `(provided? 'system)': -- Function: system command-string Executes the COMMAND-STRING on the computer and returns the integer status code. +If `(provided? 'program-arguments)': | + | + -- Function: program-arguments | + Returns a list of strings, the first of which is the program name | + followed by the command-line arguments. | + | * Menu: * Directories:: @@ -16429,6 +16450,18 @@ maintain and check both Emacs and Word certificates. the locks and returns `#t'. Otherwise, `file-unlock!' leaves the file system unaltered and returns `#f'. + -- Function: describe-file-lock path prefix | + -- Function: describe-file-lock path | + PATH must be a string naming a file. Optional argument PREFIX is | + a string printed before each line of the message. | + `describe-file-lock' prints to `(current-error-port)' that PATH is | + locked for writing and lists its lock-files. | + | + (describe-file-lock "my.txt" ">> ") | + -| | + >> "my.txt" is locked for writing by 'luser@no.com.4829:1200536423' | + >> (lock files are "~$my.txt" and ".#my.txt") | + | File Transactions ................. @@ -16555,9 +16588,9 @@ reasons why a package might not be included in the SLIB distribution: * Because I have been too busy to integrate it. Once an optional package is installed (and an entry added to -`*catalog*', the `require' mechanism allows it to be called up and used -as easily as any other SLIB package. Some optional packages (for which -`*catalog*' already has entries) available from SLIB sites are: +`*catalog*'), the `require' mechanism allows it to be called up and | +used as easily as any other SLIB package. Some optional packages (for | +which `*catalog*' already has entries) available from SLIB sites are: | SLIB-PSD is a portable debugger for Scheme (requires emacs editor). @@ -16600,13 +16633,15 @@ File: slib.info, Node: About SLIB, Next: Index, Prev: Other Packages, Up: To More people than I can name have contributed to SLIB. Thanks to all of you! - SLIB 3a5, released November 2007. | + SLIB 3b1, released February 2008. | Aubrey Jaffer Current information about SLIB can be found on SLIB's "WWW" home page: `http://swiss.csail.mit.edu/~jaffer/SLIB' + SLIB is part of the GNU project. | + | * Menu: * Installation:: How to install SLIB on your system. @@ -16628,8 +16663,8 @@ There are five parts to installation: * Install documentation and `slib' script. - * Configure the Scheme implementation(s) to locate the SLIB - directory. + * Configure the Scheme implementation(s) to locate the SLIB directory | + and implementation directories. | * Arrange for Scheme implementation to load its SLIB initialization file. @@ -16639,7 +16674,7 @@ There are five parts to installation: 8.1.1 Unpacking the SLIB Distribution ------------------------------------- -If the SLIB distribution is a GNU/Linux RPM, it will create the SLIB | +If the SLIB distribution is a GNU/Linux RPM, it will create the SLIB directory `/usr/share/slib'. If the SLIB distribution is a ZIP file, unzip the distribution to @@ -16661,13 +16696,36 @@ please inform agj @ alum.mit.edu. If the Scheme implementation supports `getenv', then the value of the shell environment variable SCHEME_LIBRARY_PATH will be used for -`(library-vicinity)' if it is defined. Currently, Chez, Elk, -MITScheme, scheme->c, VSCM, and SCM support `getenv'. Scheme48 -supports `getenv' but does not use it for determining -`library-vicinity'. (That is done from the Makefile.) - - The `(library-vicinity)' can also be specified from the SLIB -initialization file or by implementation-specific means. +`(library-vicinity)' if it is defined. Currently, Bigloo, Chez, Elk, | +Gambit, Guile, Jscheme, Larceny, MITScheme, MzScheme, RScheme, STk, | +VSCM, and SCM support `getenv'. Scheme48 supports `getenv' but does | +not use it for determining `library-vicinity'. (That is done from the | +Makefile.) | + + The `(library-vicinity)' can also be set from the SLIB initialization | +file or by implementation-specific means. | + | + Support for locating an implementation's auxiliary directory is uneven | +among implementations. Also, the person installing SLIB may not have | +write permission to some of these directories (necessary for writing | +slibcat). Therefore, those implementations supporting `getenv' (except | +SCM and Scheme48) provide a means for specifying the | +`implementation-vicinity' through environment variables. Define the | +indicated environment variable to the pathname (with trailing slash or | +backslash) of the desired directory. Do not use `slib/' as an | +implementation-vicinity! | + | +Bigloo BIGLOO_IMPLEMENTATION_PATH | +Chez CHEZ_IMPLEMENTATION_PATH | +ELK ELK_IMPLEMENTATION_PATH | +Gambit GAMBIT_IMPLEMENTATION_PATH | +Guile GUILE_IMPLEMENTATION_PATH | +Jscheme JSCHEME_IMPLEMENTATION_PATH | +MIT-Scheme MITSCHEME_IMPLEMENTATION_PATH | +MzScheme MZSCHEME_IMPLEMENTATION_PATH | +RScheme RSCHEME_IMPLEMENTATION_PATH | +STk STK_IMPLEMENTATION_PATH | +Vscm VSCM_IMPLEMENTATION_PATH | 8.1.4 Loading SLIB Initialization File -------------------------------------- @@ -16717,22 +16775,37 @@ above. SLIB support is already built into SCM. See the documentation with SCM for installation instructions. + -- Implementation: Larceny | + Starting with version 0.96, Larceny contains its own SLIB | + initialization file, loaded by `(require 'srfi-96)'. If | + SCHEME_LIBRARY_PATH is not set, then Larceny looks for an `slib' | + subdirectory of a directory in the list returned by | + `(current-require-path)' | + | + larceny -- -e "(require 'srfi-96)" | + | + -- Implementation: ELK | + elk -i -l ${SCHEME_LIBRARY_PATH}elk.init | + | -- Implementation: PLT Scheme -- Implementation: DrScheme -- Implementation: MzScheme The `init.ss' file in the _slibinit_ collection is an SLIB - initialization file. + initialization file. To run SLIB in MzScheme: | - To use SLIB in MzScheme, set the SCHEME_LIBRARY_PATH environment - variable to the installed SLIB location; then invoke MzScheme thus: - - `mzscheme -f ${SCHEME_LIBRARY_PATH}DrScheme.init' + mzscheme -f ${SCHEME_LIBRARY_PATH}mzscheme.init | -- Implementation: MIT Scheme - `scheme -load ${SCHEME_LIBRARY_PATH}mitscheme.init' + scheme -load ${SCHEME_LIBRARY_PATH}mitscheme.init | -- Implementation: Gambit-C 3.0 - `$command -:s ${SCHEME_LIBRARY_PATH}gambit.init -' + gsi -:s ${SCHEME_LIBRARY_PATH}gambit.init - | + | + -- Implementation: SISC | + sisc -e "(load \"${SCHEME_LIBRARY_PATH}sisc.init\")" -- | + | + -- Implementation: Kawa | + kawa -f ${SCHEME_LIBRARY_PATH}kawa.init -- | -- Implementation: Guile Guile versions 1.6 and earlier link to an archaic SLIB version. In @@ -16750,7 +16823,7 @@ above. Guile with SLIB can then be started thus: - `guile -l ${SCHEME_LIBRARY_PATH}guile.init' + guile -l ${SCHEME_LIBRARY_PATH}guile.init | -- Implementation: Scheme48 To make a Scheme48 image for an installation under `', @@ -16780,12 +16853,16 @@ above. 3. `(slib:dump "dumpfile")' - 4. mv dumpfile place-where-vscm-standard-bootfile-resides e.g. - mv dumpfile /usr/local/vscm/lib/scheme-boot (In this case - vscm should have been compiled with flag - -DDEFAULT_BOOTFILE='"/usr/local/vscm/lib/scheme-boot"'. See - Makefile (definition of DDP) for details.) + 4. mv dumpfile place-where-vscm-standard-bootfile-resides. For | + example: | + `mv dumpfile /usr/local/vscm/lib/scheme-boot' | + | + In this case vscm should have been compiled with flag: | + | + -DDEFAULT_BOOTFILE='"/usr/local/vscm/lib/scheme-boot"' | + | + See Makefile (definition of DDP) for details. |  File: slib.info, Node: The SLIB script, Next: Porting, Prev: Installation, Up: About SLIB @@ -16795,8 +16872,8 @@ File: slib.info, Node: The SLIB script, Next: Porting, Prev: Installation, U SLIB comes with shell script for Unix platforms. - slib [ scheme | scm | gsi | mzscheme | guile | - | scheme48 | scmlit | elk | sisc | kawa ] | + slib [ scheme | scm | gsi | mzscheme | guile + | scheme48 | scmlit | elk | sisc | kawa ] Starts an interactive Scheme-with-SLIB session. @@ -16984,12 +17061,7 @@ File: slib.info, Node: About this manual, Prev: Copyrights, Up: About SLIB 8.6 About this manual ===================== - -* Menu: - -* Copying This Manual:: -* How to use this License for your documents:: - + | * Entries that are labeled as Functions are called for their return values. Entries that are labeled as Procedures are called primarily for their side effects. @@ -16997,20 +17069,24 @@ File: slib.info, Node: About this manual, Prev: Copyrights, Up: About SLIB * Examples in this text were produced using the `scm' Scheme implementation. - * At the beginning of each section, there is a line that looks like `(require - 'feature)'. Include this line in your code prior to using the - package. + * At the beginning of each section, there is a line that looks like: | + (require 'feature) | + Include this line in your code prior to using the package. | + | +* Menu: + | +* GNU Free Documentation License::  -File: slib.info, Node: Copying This Manual, Next: How to use this License for your documents, Prev: About this manual, Up: About this manual - -8.6.1 Copying This Manual -------------------------- +File: slib.info, Node: GNU Free Documentation License, Prev: About this manual, Up: About this manual + | +8.6.1 GNU Free Documentation License | +------------------------------------ | Version 1.2, November 2002 Copyright (C) 2000,2001,2002 Free Software Foundation, Inc. - 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA + 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA | Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. @@ -17402,11 +17478,8 @@ File: slib.info, Node: Copying This Manual, Next: How to use this License for you may choose any version ever published (not as a draft) by the Free Software Foundation. - -File: slib.info, Node: How to use this License for your documents, Prev: Copying This Manual, Up: About this manual - -8.6.2 How to use this License for your documents ------------------------------------------------- +ADDENDUM: How to use this License for your documents | +==================================================== | To use this License in a document you have written, include a copy of the License in the document and put the following copyright and license @@ -17561,7 +17634,7 @@ Procedure and Macro Index * bitwise-merge: Bit-Twiddling. (line 57) * bitwise-not: Bit-Twiddling. (line 46) * bitwise-xor: Bit-Twiddling. (line 37) -* blackbody-spectrum: Spectra. (line 125) +* blackbody-spectrum: Spectra. (line 128) * booleans->integer: Bit-Twiddling. (line 239) * break <1>: Breakpoints. (line 28) * break: SRFI-1. (line 151) @@ -17577,16 +17650,17 @@ Procedure and Macro Index * byte-set!: Byte. (line 18) * bytes: Byte. (line 32) * bytes->ieee-double: Byte/Number Conversions. - (line 61) | + (line 61) * bytes->ieee-float: Byte/Number Conversions. (line 41) * bytes->integer: Byte/Number Conversions. (line 17) -* bytes->list: Byte. (line 36) -* bytes-copy: Byte. (line 47) +* bytes->list: Byte. (line 40) +* bytes->string: Byte. (line 47) +* bytes-copy: Byte. (line 57) * bytes-length: Byte. (line 29) -* bytes-reverse: Byte. (line 63) -* bytes-reverse!: Byte. (line 60) +* bytes-reverse: Byte. (line 73) +* bytes-reverse!: Byte. (line 70) * call-with-dynamic-binding: Dynamic Data Type. (line 25) * call-with-input-string: String Ports. (line 15) * call-with-open-ports: Input/Output. (line 54) @@ -17609,8 +17683,8 @@ Procedure and Macro Index * chap:string>=?: Chapter Ordering. (line 26) * chap:string>?: Chapter Ordering. (line 24) * check-parameters: Parameter lists. (line 59) -* chromaticity->CIEXYZ: Spectra. (line 169) -* chromaticity->whitepoint: Spectra. (line 172) +* chromaticity->CIEXYZ: Spectra. (line 172) +* chromaticity->whitepoint: Spectra. (line 175) * CIE:DE*: Color Difference Metrics. (line 20) * CIE:DE*94: Color Difference Metrics. @@ -17708,10 +17782,10 @@ Procedure and Macro Index * ctime: Posix Time. (line 68) * current-directory: Directories. (line 9) * current-error-port: Input/Output. (line 70) -* current-input-port <1>: Byte. (line 84) +* current-input-port <1>: Byte. (line 94) * current-input-port: Ruleset Definition and Use. (line 57) -* current-output-port: Byte. (line 76) +* current-output-port: Byte. (line 86) * current-time: Time and Date. (line 20) * cvs-directories: CVS. (line 14) * cvs-files: CVS. (line 9) @@ -17761,6 +17835,7 @@ Procedure and Macro Index * delete-table on relational-database: Database Operations. (line 59) * dequeue!: Queues. (line 28) * dequeue-all!: Queues. (line 36) +* describe-file-lock: Transactions. (line 70) * determinant: Matrix Algebra. (line 18) * dft: Discrete Fourier Transform. (line 44) @@ -17787,7 +17862,7 @@ Procedure and Macro Index * e-sRGB->e-sRGB: Color Conversions. (line 68) * e-sRGB->sRGB: Color Conversions. (line 60) * eighth: SRFI-1. (line 64) -* emacs:backup-name: Transactions. (line 73) +* emacs:backup-name: Transactions. (line 85) * empty?: Collections. (line 100) * encode-universal-time: Common-Lisp Time. (line 40) * enqueue!: Queues. (line 25) @@ -17797,7 +17872,7 @@ Procedure and Macro Index * every: Lists as sets. (line 91) * every?: Collections. (line 92) * exports<-info-index: Top-level Variable References. - (line 35) | + (line 35) * extended-euclid: Modular Arithmetic. (line 9) * factor: Prime Numbers. (line 41) * feature->export-alist: Module Manifests. (line 100) @@ -17952,19 +18027,19 @@ Procedure and Macro Index * identifier?: Syntactic Closures. (line 334) * identity: Miscellany. (line 9) * ieee-byte-collate: Byte/Number Conversions. - (line 152) | + (line 152) * ieee-byte-collate!: Byte/Number Conversions. - (line 143) | + (line 143) * ieee-byte-decollate: Byte/Number Conversions. - (line 156) | + (line 156) * ieee-byte-decollate!: Byte/Number Conversions. - (line 148) | + (line 148) * ieee-double->bytes: Byte/Number Conversions. - (line 98) | + (line 98) * ieee-float->bytes: Byte/Number Conversions. - (line 80) | -* illuminant-map: Spectra. (line 77) -* illuminant-map->XYZ: Spectra. (line 82) + (line 80) +* illuminant-map: Spectra. (line 80) +* illuminant-map->XYZ: Spectra. (line 85) * implementation-vicinity: Vicinity. (line 42) * in-graphic-context: Graphics Context. (line 7) * in-vicinity: Vicinity. (line 62) @@ -17979,14 +18054,14 @@ Procedure and Macro Index * integer->peano-coordinates: Peano Space-Filling Curve. (line 19) * integer-byte-collate: Byte/Number Conversions. - (line 137) | + (line 137) * integer-byte-collate!: Byte/Number Conversions. - (line 131) | + (line 131) * integer-expt: Irrational Integer Functions. (line 9) * integer-length: Bit-Twiddling. (line 98) * integer-log: Irrational Integer Functions. - (line 18) | + (line 18) * integer-sqrt: Irrational Integer Functions. (line 23) * interaction-environment: Eval. (line 51) @@ -18020,9 +18095,9 @@ Procedure and Macro Index * last-pair: Miscellany. (line 64) * length+: SRFI-1. (line 88) * let-values: Binding to multiple values. - (line 14) | + (line 14) * let-values*: Binding to multiple values. - (line 15) | + (line 15) * library-vicinity: Vicinity. (line 39) * light:ambient: Solid Modeling. (line 110) * light:beam: Solid Modeling. (line 144) @@ -18032,7 +18107,7 @@ Procedure and Macro Index * limit: The Limit. (line 7) * list*: List construction. (line 18) * list->array: Arrays. (line 88) -* list->bytes: Byte. (line 40) +* list->bytes: Byte. (line 36) * list->integer: Bit-Twiddling. (line 231) * list-copy: SRFI-1. (line 24) * list-index: SRFI-1. (line 157) @@ -18045,7 +18120,7 @@ Procedure and Macro Index * ln: Irrational Real Functions. (line 77) * load->path: Module Manifests. (line 63) -* load-ciexyz: Spectra. (line 37) +* load-ciexyz: Spectra. (line 40) * load-color-dictionary: Color Names. (line 52) * localtime: Posix Time. (line 39) * log2-binary-factors: Bit-Twiddling. (line 109) @@ -18205,7 +18280,7 @@ Procedure and Macro Index * open-database on relational-system: Relational Database Objects. (line 45) * open-database!: Using Databases. (line 68) -* open-file <1>: Byte. (line 67) +* open-file <1>: Byte. (line 77) * open-file: Input/Output. (line 18) * open-table: Using Databases. (line 107) * open-table on base-table: Base Tables. (line 16) @@ -18296,6 +18371,7 @@ Procedure and Macro Index * printf: Standard Formatted Output. (line 9) * process:schedule!: Multi-Processing. (line 20) +* program-arguments: System Interface. (line 22) * program-vicinity: Vicinity. (line 30) * project-table on relational-database: Database Operations. (line 76) * proper-list?: SRFI-1. (line 38) @@ -18328,13 +18404,13 @@ Procedure and Macro Index * random:uniform: Inexact Random Numbers. (line 9) * rationalize: Rationalize. (line 9) -* read-byte: Byte. (line 79) -* read-bytes: Byte. (line 97) -* read-cie-illuminant: Spectra. (line 43) +* read-byte: Byte. (line 89) +* read-bytes: Byte. (line 107) +* read-cie-illuminant: Spectra. (line 46) * read-command: Command Line. (line 9) * read-line: Line I/O. (line 9) * read-line!: Line I/O. (line 18) -* read-normalized-illuminant: Spectra. (line 54) +* read-normalized-illuminant: Spectra. (line 57) * read-options-file: Command Line. (line 65) * real-acos: Irrational Real Functions. (line 20) @@ -18505,8 +18581,8 @@ Procedure and Macro Index * soundex: Soundex. (line 9) * span: SRFI-1. (line 147) * span!: SRFI-1. (line 149) -* spectrum->chromaticity: Spectra. (line 111) -* spectrum->XYZ: Spectra. (line 85) +* spectrum->chromaticity: Spectra. (line 114) +* spectrum->XYZ: Spectra. (line 88) * split-at: SRFI-1. (line 80) * split-at!: SRFI-1. (line 81) * sprintf: Standard Formatted Output. @@ -18549,6 +18625,7 @@ Procedure and Macro Index * stack: Trace. (line 49) * stack-all: Debug. (line 27) * stackf: Trace. (line 85) +* string->bytes: Byte. (line 52) * string->color: Color Data-Type. (line 98) * string-capitalize: String-Case. (line 11) * string-capitalize!: String-Case. (line 16) @@ -18571,9 +18648,9 @@ Procedure and Macro Index * StudlyCapsExpand: String-Case. (line 29) * sub-vicinity: Vicinity. (line 73) * subarray: Subarrays. (line 9) -* subbytes: Byte. (line 50) -* subbytes-read!: Byte. (line 122) -* subbytes-write: Byte. (line 131) +* subbytes: Byte. (line 60) +* subbytes-read!: Byte. (line 132) +* subbytes-write: Byte. (line 141) * subset?: Lists as sets. (line 52) * subst: Tree Operations. (line 11) * substq: Tree Operations. (line 12) @@ -18609,8 +18686,8 @@ Procedure and Macro Index * take: SRFI-1. (line 71) * take!: SRFI-1. (line 72) * take-right: SRFI-1. (line 74) -* temperature->chromaticity: Spectra. (line 150) -* temperature->XYZ: Spectra. (line 135) +* temperature->chromaticity: Spectra. (line 153) +* temperature->XYZ: Spectra. (line 138) * tenth: SRFI-1. (line 66) * third: SRFI-1. (line 57) * time-zone: Time Zone. (line 68) @@ -18633,7 +18710,7 @@ Procedure and Macro Index * track: Trace. (line 41) * track-all: Debug. (line 23) * trackf: Trace. (line 83) -* transact-file-replacement: Transactions. (line 98) +* transact-file-replacement: Transactions. (line 110) * transcript-off: Transcripts. (line 10) * transcript-on: Transcripts. (line 9) * transformer: Syntactic Closures. (line 113) @@ -18666,7 +18743,7 @@ Procedure and Macro Index * uric:decode: URI. (line 81) * uric:encode: URI. (line 76) * url->color-dictionary: Color Names. (line 77) -* user-email-address: Transactions. (line 133) +* user-email-address: Transactions. (line 145) * user-vicinity: Vicinity. (line 47) * values: Values. (line 9) * vector->array: Arrays. (line 111) @@ -18677,8 +18754,8 @@ Procedure and Macro Index * vrml: Solid Modeling. (line 12) * vrml-append: Solid Modeling. (line 16) * vrml-to-file: Solid Modeling. (line 20) -* wavelength->chromaticity: Spectra. (line 120) -* wavelength->XYZ: Spectra. (line 115) +* wavelength->chromaticity: Spectra. (line 123) +* wavelength->XYZ: Spectra. (line 118) * whole-page <1>: Rectangles. (line 11) * whole-page: PostScript Graphing. (line 37) * with-input-from-file: With-File. (line 9) @@ -18688,8 +18765,8 @@ Procedure and Macro Index * world:info: Solid Modeling. (line 24) * wrap-command-interface: Database Extension. (line 7) * write-base on base-table: The Base. (line 43) -* write-byte: Byte. (line 72) -* write-bytes: Byte. (line 108) +* write-byte: Byte. (line 82) +* write-bytes: Byte. (line 118) * write-database: Using Databases. (line 79) * write-database on relational-database: Database Operations. (line 26) * write-line: Line I/O. (line 29) @@ -18751,10 +18828,10 @@ Procedure and Macro Index * xRGB->CIEXYZ: Color Conversions. (line 51) * xrgb->color: Color Spaces. (line 215) * xRGB->sRGB: Color Conversions. (line 54) -* xyY->XYZ: Spectra. (line 188) -* xyY:normalize-colors: Spectra. (line 190) -* XYZ->chromaticity: Spectra. (line 165) -* XYZ->xyY: Spectra. (line 184) +* xyY->XYZ: Spectra. (line 191) +* xyY:normalize-colors: Spectra. (line 193) +* XYZ->chromaticity: Spectra. (line 168) +* XYZ->xyY: Spectra. (line 187) * y-axis: Legending. (line 48) * zenith-xyy: Daylight. (line 70) * zip: SRFI-1. (line 98) @@ -18873,7 +18950,7 @@ Concept and Feature Index * base-table: Base Table. (line 6) * batch: Batch. (line 6) * bignum: Feature. (line 13) -* binary: Byte. (line 66) +* binary: Byte. (line 76) * binary trees: Weight-Balanced Trees. (line 8) * binary trees, as discrete maps: Weight-Balanced Trees. @@ -18899,9 +18976,9 @@ Concept and Feature Index * chapter-order: Chapter Ordering. (line 6) * charplot: Character Plotting. (line 6) * Chroma: Color Spaces. (line 141) -* cie1931: Spectra. (line 31) +* cie1931: Spectra. (line 32) * cie1964: Spectra. (line 27) -* ciexyz: Spectra. (line 35) +* ciexyz: Spectra. (line 37) * CIEXYZ: Color Spaces. (line 18) * cksum-string: Cyclic Checksum. (line 160) * coerce: Type Coercion. (line 6) @@ -18946,10 +19023,11 @@ Concept and Feature Index (line 18) * discrete maps, using binary trees: Weight-Balanced Trees. (line 52) -* DrScheme: Installation. (line 103) +* DrScheme: Installation. (line 138) * dynamic: Dynamic Data Type. (line 6) * dynamic-wind: Dynamic-Wind. (line 6) * e-sRGB: Color Spaces. (line 218) +* ELK: Installation. (line 134) * emacs: Transactions. (line 33) * Encapsulated-PostScript: PostScript Graphing. (line 23) * escaped: URI. (line 77) @@ -18958,32 +19036,32 @@ Concept and Feature Index * eval: Eval. (line 6) * exchanger: Miscellany. (line 22) * factor: Prime Numbers. (line 6) -* FDL, GNU Free Documentation License: Copying This Manual. (line 6) -* feature <1>: About this manual. (line 18) +* feature <1>: About this manual. (line 13) * feature <2>: Require. (line 18) * feature: Feature. (line 6) * File Transfer Protocol: URI. (line 113) * file-lock: Transactions. (line 32) +* filename <1>: Batch. (line 148) * filename: Filenames. (line 6) * fluid-let: Fluid-Let. (line 6) * fold: Parsing XML. (line 400) * form: HTML. (line 63) * format: Format. (line 6) -* Gambit-C: Installation. (line 116) +* Gambit-C 3.0: Installation. (line 148) * gamut: Color Spaces. (line 18) * generic-write: Generic-Write. (line 6) +* getenv: System Interface. (line 6) * getit: URI. (line 118) * getopt <1>: Command Example. (line 14) * getopt: Getopt. (line 6) * getopt-parameters <1>: Command Example. (line 12) * getopt-parameters: Getopt Parameter lists. - (line 6) -* glob <1>: Batch. (line 148) + (line 6) | * glob: Filenames. (line 6) * Gray code: Hilbert Space-Filling Curve. (line 52) * guarded-cond-clause: Guarded COND Clause. (line 6) -* Guile: Installation. (line 119) +* Guile: Installation. (line 157) * hash: Hashing. (line 6) * hash-table: Hash Tables. (line 6) * Hilbert: Hilbert Space-Filling Curve. @@ -19002,7 +19080,7 @@ Concept and Feature Index * ICC Profile: Color Spaces. (line 191) * implcat: Catalog Vicinities. (line 23) * indexed-sequential-access-method: Byte/Number Conversions. - (line 128) | + (line 128) * inexact: Feature. (line 13) * infix: Rule Types. (line 19) * Info: Top-level Variable References. @@ -19016,15 +19094,17 @@ Concept and Feature Index * Japanese: Extra-SLIB Packages. (line 53) * JFILTER: Extra-SLIB Packages. (line 53) * JIS: Extra-SLIB Packages. (line 53) +* Kawa: Installation. (line 154) * L*a*b*: Color Spaces. (line 68) * L*C*h: Color Spaces. (line 135) * L*u*v*: Color Spaces. (line 98) * lamination: Hilbert Space-Filling Curve. (line 88) +* Larceny: Installation. (line 125) * Left Denotation, led: Nud and Led Definition. (line 13) * let-values: Binding to multiple values. - (line 11) | + (line 11) * Lightness: Color Spaces. (line 71) * line-i: Line I/O. (line 6) * list-processing library: SRFI-1. (line 8) @@ -19053,7 +19133,7 @@ Concept and Feature Index * minimize: Minimizing. (line 6) * minimum field width (printf): Standard Formatted Output. (line 88) -* MIT Scheme: Installation. (line 113) +* MIT Scheme: Installation. (line 145) * mkimpcat.scm: Catalog Vicinities. (line 28) * mklibcat.scm: Catalog Vicinities. (line 16) * modular: Modular Arithmetic. (line 6) @@ -19061,7 +19141,7 @@ Concept and Feature Index (line 6) * multiarg-apply: Multi-argument Apply. (line 6) -* MzScheme: Installation. (line 104) +* MzScheme: Installation. (line 139) * nary: Rule Types. (line 23) * ncbi-dma: NCBI-DNA. (line 6) * new-catalog: Catalog Creation. (line 48) @@ -19090,7 +19170,7 @@ Concept and Feature Index * pgm-raw: Portable Image Files. (line 26) * plain-text: HTML. (line 14) -* PLT Scheme: Installation. (line 102) +* PLT Scheme: Installation. (line 137) * pnm: Portable Image Files. (line 6) * portable bitmap graphics: Portable Image Files. @@ -19115,6 +19195,8 @@ Concept and Feature Index * priority-queue: Priority Queues. (line 6) * PRNG: Random Numbers. (line 6) * process: Multi-Processing. (line 6) +* program-arguments <1>: System Interface. (line 19) +* program-arguments: Getopt. (line 102) * Prolog: Extra-SLIB Packages. (line 49) * promise: Promises. (line 6) * PSD: Extra-SLIB Packages. (line 26) @@ -19163,9 +19245,9 @@ Concept and Feature Index * SCHELOG: Extra-SLIB Packages. (line 49) * scheme: URI. (line 99) * Scheme Request For Implementation: SRFI. (line 8) -* Scheme48: Installation. (line 137) +* Scheme48: Installation. (line 175) * schmooz: Schmooz. (line 6) -* SCM: Installation. (line 97) +* SCM: Installation. (line 120) * script: Installation. (line 37) * self-set: Commutative Rings. (line 17) * Sequence Comparison: Sequence Comparison. (line 6) @@ -19175,6 +19257,7 @@ Concept and Feature Index (line 52) * shell: Command Line. (line 12) * sierpinski: Sierpinski Curve. (line 6) +* SISC: Installation. (line 151) * sitecat: Catalog Vicinities. (line 19) * sky: Daylight. (line 6) * slib: Installation. (line 37) @@ -19195,7 +19278,7 @@ Concept and Feature Index * srfi-1: SRFI-1. (line 6) * srfi-11 <1>: SRFI. (line 37) * srfi-11: Binding to multiple values. - (line 11) | + (line 11) * srfi-2 <1>: SRFI. (line 33) * srfi-2: Guarded LET* special form. (line 6) @@ -19216,6 +19299,7 @@ Concept and Feature Index * srfi-94: SRFI. (line 53) * srfi-95 <1>: SRFI. (line 56) * srfi-95: Sorting. (line 6) +* srfi-96: SRFI. (line 58) * sRGB: Color Spaces. (line 189) * stdio: Standard Formatted I/O. (line 14) @@ -19232,6 +19316,7 @@ Concept and Feature Index (line 32) * syntax-case <1>: Syntax-Case Macros. (line 6) * syntax-case: Library Catalogs. (line 43) +* system: System Interface. (line 13) * time: Time and Date. (line 16) * time-zone: Time Zone. (line 63) * top-level variable references: Top-level Variable References. @@ -19262,7 +19347,7 @@ Concept and Feature Index * variable references: Top-level Variable References. (line 6) * vet: Module Analysis. (line 6) -* VSCM: Installation. (line 148) +* VSCM: Installation. (line 186) * WB: Base Table. (line 34) * wb-table: Base Table. (line 32) * weight-balanced binary trees: Weight-Balanced Trees. @@ -19275,249 +19360,248 @@ Concept and Feature Index * wt-tree: Weight-Balanced Trees. (line 6) * xRGB: Color Spaces. (line 204) -* xyY: Spectra. (line 175) +* xyY: Spectra. (line 178) * yasos: Yasos. 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manual653617 +Node: GNU Free Documentation License654527 +Node: Index677185  End Tag Table -- cgit v1.2.3