108 lines
3.0 KiB
Go
108 lines
3.0 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 jmdict
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import (
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"encoding/xml"
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"io"
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"regexp"
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)
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type Parser func(decoder *xml.Decoder, element *xml.StartElement) error
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func parseDoc(reader io.Reader, container interface{}, transform bool) (map[string]string, error) {
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decoder := xml.NewDecoder(reader)
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var entities map[string]string
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for {
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token, _ := decoder.Token()
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if token == nil {
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break
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}
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switch startElement := token.(type) {
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case xml.Directive:
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directive := token.(xml.Directive)
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entities = parseEntities(&directive)
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if transform {
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decoder.Entity = entities
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} else {
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decoder.Entity = make(map[string]string)
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for k, _ := range entities {
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decoder.Entity[k] = k
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}
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}
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case xml.StartElement:
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if err := decoder.DecodeElement(container, &startElement); err != nil {
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return nil, err
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}
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}
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}
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return entities, nil
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}
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func parseDocument(reader io.Reader, transform bool, callback Parser) (map[string]string, error) {
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decoder := xml.NewDecoder(reader)
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var entities map[string]string
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for {
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token, _ := decoder.Token()
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if token == nil {
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break
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}
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switch startElement := token.(type) {
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case xml.Directive:
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directive := token.(xml.Directive)
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entities = parseEntities(&directive)
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if transform {
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decoder.Entity = entities
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} else {
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decoder.Entity = make(map[string]string)
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for k, _ := range entities {
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decoder.Entity[k] = k
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}
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}
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case xml.StartElement:
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if err := callback(decoder, &startElement); err != nil {
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return nil, err
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}
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}
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}
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return entities, nil
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}
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func parseEntities(d *xml.Directive) map[string]string {
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re := regexp.MustCompile("<!ENTITY\\s([0-9\\-A-z]+)\\s\"(.+)\">")
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matches := re.FindAllStringSubmatch(string(*d), -1)
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entities := make(map[string]string)
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for _, match := range matches {
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entities[match[1]] = match[2]
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}
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return entities
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}
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