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package main
// Bom/BomMeta conversion/dump/load routines
import (
"encoding/csv"
"encoding/json"
"encoding/xml"
"fmt"
"io"
"log"
"strings"
)
// This compound container struct is useful for serializing to XML and JSON
type BomContainer struct {
BomMetadata *BomMeta `json:"metadata"`
Bom *Bom `json:"bom"`
}
// --------------------- text (CLI only ) -----------------------
func DumpBomAsText(bm *BomMeta, b *Bom, out io.Writer) {
fmt.Fprintln(out)
fmt.Fprintf(out, "Name:\t\t%s\n", bm.Name)
fmt.Fprintf(out, "Version:\t%s\n", b.Version)
fmt.Fprintf(out, "Creator:\t%s\n", bm.Owner)
fmt.Fprintf(out, "Timestamp:\t%s\n", b.Created)
if bm.Homepage != "" {
fmt.Fprintf(out, "Homepage:\t%s\n", bm.Homepage)
}
if b.Progeny != "" {
fmt.Fprintf(out, "Source:\t\t%s\n", b.Progeny)
}
if bm.Description != "" {
fmt.Fprintf(out, "Description:\t%s\n", bm.Description)
}
fmt.Println()
// "by line item"
fmt.Fprintf(out, "tag\tqty\tmanufacturer\tmpn\t\tdescription\t\tcomment\n")
for _, li := range b.LineItems {
fmt.Fprintf(out, "%s\t%d\t%s\t%s\t\t%s\t\t%s\n",
li.Tag,
len(li.Elements),
li.Manufacturer,
li.Mpn,
li.Description,
li.Comment)
}
/* // "by circuit element"
fmt.Fprintf(out, "tag\tsymbol\tmanufacturer\tmpn\t\tdescription\t\tcomment\n")
for _, li := range b.LineItems {
for _, elm := range li.Elements {
fmt.Fprintf(out, "%s\t%s\t%s\t%s\t\t%s\t\t%s\n",
li.Tag,
elm,
li.Manufacturer,
li.Mpn,
li.Description,
li.Comment)
}
}
*/
}
// --------------------- csv -----------------------
func DumpBomAsCSV(b *Bom, out io.Writer) {
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})
}
}
func LoadBomFromCSV(out io.Writer) (*Bom, error) {
b := Bom{}
return &b, nil
}
// --------------------- JSON -----------------------
func DumpBomAsJSON(bm *BomMeta, b *Bom, out io.Writer) {
container := &BomContainer{BomMetadata: bm, Bom: b}
enc := json.NewEncoder(out)
if err := enc.Encode(&container); err != nil {
log.Fatal(err)
}
}
func LoadBomFromJSON(input io.Reader) (*BomMeta, *Bom, error) {
container := &BomContainer{}
enc := json.NewDecoder(input)
if err := enc.Decode(&container); err != nil {
log.Fatal(err)
}
return container.BomMetadata, container.Bom, nil
}
// --------------------- XML -----------------------
func DumpBomAsXML(bm *BomMeta, b *Bom, out io.Writer) {
container := &BomContainer{BomMetadata: bm, Bom: b}
enc := xml.NewEncoder(out)
// generic XML header
io.WriteString(out, xml.Header)
if err := enc.Encode(container); err != nil {
log.Fatal(err)
}
}
func LoadBomFromXML(input io.Reader) (*BomMeta, *Bom, error) {
container := &BomContainer{}
enc := xml.NewDecoder(input)
if err := enc.Decode(&container); err != nil {
log.Fatal(err)
}
return container.BomMetadata, container.Bom, nil
}
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