69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
// Package interwiki provides interwiki capabilities. Most of them, at least.
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package interwiki
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import (
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"encoding/json"
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"github.com/bouncepaw/mycomarkup/v5/options"
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"github.com/bouncepaw/mycorrhiza/files"
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"github.com/bouncepaw/mycorrhiza/util"
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"log"
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"os"
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)
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func Init() {
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var (
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record, err = readInterwiki()
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)
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if err != nil {
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log.Fatalln(err)
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}
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for _, wiki := range record {
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wiki := wiki // This line is required
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wiki.canonize()
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theMap.list = append(theMap.list, &wiki)
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for _, name := range append(wiki.Aliases, wiki.Name) {
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if _, found := theMap.byName[name]; found {
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log.Fatalf("There are multiple uses of the same name ‘%s’\n", name)
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} else {
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theMap.byName[name] = &wiki
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}
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}
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}
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log.Printf("Loaded %d interwiki entries\n", len(theMap.list))
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}
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func HrefLinkFormatFor(prefix string) (string, options.InterwikiError) {
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prefix = util.CanonicalName(prefix)
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if wiki, ok := theMap.byName[prefix]; ok {
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return wiki.LinkHrefFormat, options.Ok
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}
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return "", options.UnknownPrefix
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}
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func ImgSrcFormatFor(prefix string) (string, options.InterwikiError) {
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prefix = util.CanonicalName(prefix)
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if wiki, ok := theMap.byName[prefix]; ok {
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return wiki.ImgSrcFormat, options.Ok
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}
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return "", options.UnknownPrefix
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}
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func readInterwiki() ([]Wiki, error) {
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var (
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record []Wiki
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fileContents, err = os.ReadFile(files.InterwikiJSON())
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)
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if os.IsNotExist(err) {
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return record, nil
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}
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if err != nil {
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return nil, err
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}
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err = json.Unmarshal(fileContents, &record)
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if err != nil {
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return nil, err
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}
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return record, nil
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}
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