218 lines
5.3 KiB
Go
218 lines
5.3 KiB
Go
/*
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* Copyright (c) 2016 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package main
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import (
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"fmt"
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"io"
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"os"
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"path"
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"strings"
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"github.com/FooSoft/jmdict"
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)
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type termMetaEntry struct {
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Expression string `json:"exp"`
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Reading string `json:"read"`
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Tags []string `json:"tags"`
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}
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func (meta *termMetaEntry) addTags(tags ...string) {
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for _, tag := range tags {
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if !hasString(tag, meta.Tags) {
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meta.Tags = append(meta.Tags, tag)
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}
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}
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}
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func (meta *termMetaEntry) addTagsPri(tags ...string) {
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for _, tag := range tags {
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switch tag {
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case "news1", "ichi1", "spec1", "gai1":
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meta.addTags("P")
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fallthrough
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case "news2", "ichi2", "spec2", "gai2":
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meta.addTags(tag[:len(tag)-1])
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break
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}
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}
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}
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type termMetaDb struct {
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Version int `json:"version"`
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Banks int `json:"banks"`
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Entities map[string]string `json:"entities"`
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entries []termMetaEntry
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}
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func newTermMetaIndex(entries []termMetaEntry, entities map[string]string) termMetaDb {
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return termMetaDb{
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Version: DB_VERSION,
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Banks: bankCount(len(entries)),
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Entities: entities,
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entries: entries,
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}
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}
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func (index *termMetaDb) output(dir string, pretty bool) error {
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if err := os.MkdirAll(dir, 0755); err != nil {
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return err
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}
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bytes, err := marshalJson(index, pretty)
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if err != nil {
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return err
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}
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fp, err := os.Create(path.Join(dir, "index.json"))
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if err != nil {
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return err
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}
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defer fp.Close()
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if _, err = fp.Write(bytes); err != nil {
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return err
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}
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var entries [][]string
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for _, e := range index.entries {
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entries = append(
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entries,
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[]string{
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e.Expression,
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e.Reading,
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strings.Join(e.Tags, " "),
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},
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)
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}
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entryCount := len(entries)
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for i := 0; i < entryCount; i += BANK_STRIDE {
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indexSrc := i
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indexDst := i + BANK_STRIDE
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if indexDst > entryCount {
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indexDst = entryCount
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}
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bytes, err := marshalJson(entries[indexSrc:indexDst], pretty)
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if err != nil {
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return err
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}
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fp, err := os.Create(path.Join(dir, fmt.Sprintf("bank_%d.json", i/BANK_STRIDE+1)))
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if err != nil {
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return err
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}
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defer fp.Close()
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if _, err = fp.Write(bytes); err != nil {
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return err
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}
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}
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return nil
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}
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func extractEdictTermMeta(edictEntry jmdict.JmdictEntry) []termMetaEntry {
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var entries []termMetaEntry
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convert := func(reading jmdict.JmdictReading, kanji *jmdict.JmdictKanji) {
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if kanji != nil && reading.Restrictions != nil && !hasString(kanji.Expression, reading.Restrictions) {
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return
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}
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var entryBase termMetaEntry
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entryBase.addTags(reading.Information...)
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entryBase.addTagsPri(reading.Priorities...)
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if kanji == nil {
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entryBase.Expression = reading.Reading
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entryBase.addTagsPri(reading.Priorities...)
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} else {
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entryBase.Expression = kanji.Expression
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entryBase.Reading = reading.Reading
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entryBase.addTags(kanji.Information...)
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for _, priority := range kanji.Priorities {
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if hasString(priority, reading.Priorities) {
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entryBase.addTagsPri(priority)
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}
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}
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}
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for _, sense := range edictEntry.Sense {
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if sense.RestrictedReadings != nil && !hasString(reading.Reading, sense.RestrictedReadings) {
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continue
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}
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if kanji != nil && sense.RestrictedKanji != nil && !hasString(kanji.Expression, sense.RestrictedKanji) {
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continue
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}
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entry := termMetaEntry{
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Reading: entryBase.Reading,
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Expression: entryBase.Expression,
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}
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entry.addTags(entryBase.Tags...)
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entry.addTags(sense.PartsOfSpeech...)
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entry.addTags(sense.Fields...)
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entry.addTags(sense.Misc...)
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entry.addTags(sense.Dialects...)
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entries = append(entries, entry)
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}
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}
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if len(edictEntry.Kanji) > 0 {
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for _, kanji := range edictEntry.Kanji {
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for _, reading := range edictEntry.Readings {
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convert(reading, &kanji)
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}
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}
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} else {
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for _, reading := range edictEntry.Readings {
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convert(reading, nil)
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}
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}
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return entries
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}
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func outputTermMetaJson(dir string, reader io.Reader, flags int) error {
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dict, entities, err := jmdict.LoadJmdictNoTransform(reader)
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if err != nil {
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return err
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}
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var entries []termMetaEntry
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for _, jmdictEntry := range dict.Entries {
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entries = append(entries, extractEdictTermMeta(jmdictEntry)...)
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}
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index := newTermMetaIndex(entries, entities)
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return index.output(dir, flags&flagPrettyJson == flagPrettyJson)
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}
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