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authorbnewbold <bnewbold@robocracy.org>2012-04-18 21:20:42 -0400
committerbnewbold <bnewbold@robocracy.org>2012-04-18 21:28:35 -0400
commit6023bb2fe3759dc01e608ed056e843b1f731acf0 (patch)
treee7cf9140649a7e18f7957dbbe8780783cf9e80dc
parentb5bb57d8dd052ca1e61287d17467cb67ca8f4a73 (diff)
downloadbommom-6023bb2fe3759dc01e608ed056e843b1f731acf0.tar.gz
bommom-6023bb2fe3759dc01e608ed056e843b1f731acf0.zip
rough conversion support
-rw-r--r--README8
-rw-r--r--bommom.go179
-rw-r--r--formats.go22
3 files changed, 131 insertions, 78 deletions
diff --git a/README b/README
index 8dc3e30..1a08f59 100644
--- a/README
+++ b/README
@@ -10,7 +10,7 @@
BomMom: A web publishing/wiki system for electronics Bill of Materials (BOM)
-A work in progress as of early April 2012.
+A work in progress as of April 2012.
### Instructions
@@ -19,10 +19,10 @@ Install golang compiler and run `go build` in this directory, then run the
### Intended Initial Features
- - SQL-backed datastore for BOMs and web authentication
- file-backed datastore for BOMs
- - import/export to .csv and JSON
+ - import/export to CSV, JSON, and XML formats
- Octopart API price fetching
+ - SQL-backed datastore for BOMs and web authentication
### Potential Later Features
@@ -32,7 +32,7 @@ Install golang compiler and run `go build` in this directory, then run the
- REST API
- git-backed BomStore
- git post-commit hooks and/or github integration
- - plugins for CAD software (Eagle, KiCad, etc)
+ - plugins and file format support for CAD software (Eagle, KiCad, etc)
- Amazon, McMaster, eBay, Ali Baba, etc, price fetching
- "Standard"/"Estimate" pricing modules for PCBs, assembly, etc
- "sub-BOM" feature a la git sub-repositories
diff --git a/bommom.go b/bommom.go
index 99fc3ae..ffe4512 100644
--- a/bommom.go
+++ b/bommom.go
@@ -23,6 +23,7 @@ var (
verbose = flag.Bool("verbose", false, "print extra info")
helpFlag = flag.Bool("help", false, "print full help info")
outFormat = flag.String("format", "", "command output format (for 'dump' etc)")
+ inFormat = ""
)
func main() {
@@ -50,31 +51,112 @@ func main() {
switch flag.Arg(0) {
default:
log.Fatal("Error: unknown command: ", flag.Arg(0))
- case "load", "serve", "convert":
+ case "load", "serve":
log.Fatal("Error: Unimplemented, sorry")
case "init":
log.Println("Initializing...")
initCmd()
case "dump":
dumpCmd()
+ case "convert":
+ convertCmd()
case "list":
listCmd()
}
}
func openBomStore() {
-
-}
-
-func initCmd() {
- err := NewJSONFileBomStore(*fileStorePath)
- if err != nil {
- log.Fatal(err)
- }
+ // defaults to JSON file store
+ var err error
bomstore, err = OpenJSONFileBomStore(*fileStorePath)
if err != nil {
log.Fatal(err)
}
+}
+
+func dumpOut(fname string, bs *BomStub, b *Bom) {
+ var outFile io.Writer
+ if fname == "" {
+ outFile = os.Stdout
+ } else {
+ // if no outFormat defined, infer from file extension
+ if *outFormat == "" {
+ switch ext := path.Ext(fname); ext {
+ case "", ".txt", ".text":
+ // pass
+ case ".json":
+ *outFormat = "json"
+ case ".csv":
+ *outFormat = "csv"
+ case ".xml":
+ *outFormat = "xml"
+ default:
+ log.Fatal("Unknown file extention (use -format): " + ext)
+ }
+ }
+ f, err := os.Create(fname)
+ if err != nil {
+ log.Fatal(err)
+ }
+ defer f.Close()
+ outFile = io.Writer(f)
+ }
+
+ switch *outFormat {
+ case "text", "":
+ DumpBomAsText(bs, b, outFile)
+ case "json":
+ DumpBomAsJSON(bs, b, outFile)
+ case "csv":
+ DumpBomAsCSV(b, outFile)
+ case "xml":
+ DumpBomAsXML(bs, b, outFile)
+ default:
+ log.Fatal("Error: unknown/unimplemented format: " + *outFormat)
+ }
+
+}
+
+func loadIn(fname string) (bs *BomStub, b *Bom) {
+
+ if inFormat == "" {
+ switch ext := path.Ext(fname); ext {
+ case ".json", ".JSON":
+ inFormat = "json"
+ case ".csv", ".CSV":
+ inFormat = "csv"
+ case ".xml", ".XML":
+ inFormat = "xml"
+ default:
+ log.Fatal("Unknown file extention (use -format): " + ext)
+ }
+ }
+
+ infile, err := os.Open(fname)
+ if err != nil {
+ log.Fatal(err)
+ }
+ defer infile.Close()
+
+ switch inFormat {
+ case "json":
+ bs, b, err = LoadBomFromJSON(infile)
+ case "csv":
+ b, err = LoadBomFromCSV(infile)
+ case "xml":
+ bs, b, err = LoadBomFromXML(infile)
+ default:
+ log.Fatal("Error: unknown/unimplemented format: " + *outFormat)
+ }
+ if err != nil {
+ log.Fatal(err)
+ }
+ return bs, b
+}
+
+func initCmd() {
+
+ openBomStore()
bs, err := bomstore.GetStub(ShortName("common"), ShortName("gizmo"))
if err == nil {
// dummy BomStub already exists?
@@ -95,43 +177,24 @@ func dumpCmd() {
if flag.NArg() != 3 && flag.NArg() != 4 {
log.Fatal("Error: wrong number of arguments (expected user and BOM name, optional file)")
}
+
userStr := flag.Arg(1)
nameStr := flag.Arg(2)
- var outFile io.Writer
- outFile = os.Stdout
- if flag.NArg() == 4 {
- f, err := os.Create(flag.Arg(3))
- if err != nil {
- log.Fatal(err)
- }
- defer f.Close()
- outFile = io.Writer(f)
- // if no outFormat defined, infer from file extension
- if *outFormat == "" {
- switch ext := path.Ext(f.Name()); ext {
- case "", ".txt", ".text":
- // pass
- case ".json":
- *outFormat = "json"
- case ".csv":
- *outFormat = "csv"
- case ".xml":
- *outFormat = "xml"
- default:
- log.Fatal("Unknown file extention (use -format): " + ext)
- }
- }
- }
if !isShortName(userStr) || !isShortName(nameStr) {
log.Fatal("Error: not valid ShortName: " + userStr +
" and/or " + nameStr)
}
- var err error
- bomstore, err = OpenJSONFileBomStore(*fileStorePath)
- if err != nil {
- log.Fatal(err)
- }
+
+ var fname string
+ if flag.NArg() == 4 {
+ fname = flag.Arg(3)
+ } else {
+ fname = ""
+ }
+
+ openBomStore()
+
if auth == nil {
auth = DummyAuth(true)
}
@@ -140,26 +203,34 @@ func dumpCmd() {
log.Fatal(err)
}
- switch *outFormat {
- case "text", "":
- DumpBomAsText(bs, b, outFile)
- case "json":
- DumpBomAsJSON(bs, b, outFile)
- case "csv":
- DumpBomAsCSV(b, outFile)
- case "xml":
- DumpBomAsXML(bs, b, outFile)
- default:
- log.Fatal("Error: unknown/unimplemented format: " + *outFormat)
+ dumpOut(fname, bs, b)
+}
+
+func convertCmd() {
+ if flag.NArg() != 3 {
+ log.Fatal("Error: wrong number of arguments (expected input and output files)")
}
+
+ // should refactor this to open both files first, then do processing? not
+ // sure what best practice is.
+
+ inFname := flag.Arg(1)
+ outFname := flag.Arg(2)
+
+ bs, b := loadIn(inFname)
+ if inFormat == "csv" && bs == nil {
+ // TODO: from inname? if ShortName?
+ bs = &BomStub{Name: "untitled", Owner: anonUser.name}
+ }
+
+ dumpOut(outFname, bs, b)
}
func listCmd() {
- bomstore, err := OpenJSONFileBomStore(*fileStorePath)
- if err != nil {
- log.Fatal(err)
- }
+
+ openBomStore()
var bomStubs []BomStub
+ var err error
if flag.NArg() > 2 {
log.Fatal("Error: too many arguments...")
}
diff --git a/formats.go b/formats.go
index 6c10a0a..2412a13 100644
--- a/formats.go
+++ b/formats.go
@@ -76,24 +76,6 @@ func LoadBomFromCSV(out io.Writer) (*Bom, error) {
b := Bom{}
- dumper := csv.NewWriter(out)
- defer dumper.Flush()
- // "by line item"
- dumper.Write([]string{"qty",
- "symbols",
- "manufacturer",
- "mpn",
- "description",
- "comment"})
- for _, li := range b.LineItems {
- dumper.Write([]string{
- fmt.Sprint(len(li.Elements)),
- strings.Join(li.Elements, ","),
- li.Manufacturer,
- li.Mpn,
- li.Description,
- li.Comment})
- }
return &b, nil
}
@@ -148,10 +130,10 @@ func LoadBomFromXML(input io.Reader) (*BomStub, *Bom, error) {
b := Bom{}
enc := xml.NewDecoder(input)
- if err := enc.Decode(bs); err != nil {
+ if err := enc.Decode(&bs); err != nil {
log.Fatal(err)
}
- if err := enc.Decode(b); err != nil {
+ if err := enc.Decode(&b); err != nil {
log.Fatal(err)
}
return &bs, &b, nil