@ngx-i18nsupport/ngx-i18nsupport-lib
Version:
A Typescript library to work with Angular generated i18n files (xliff, xmb)
210 lines • 8.76 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const abstract_message_parser_1 = require("./abstract-message-parser");
const tag_mapping_1 = require("./tag-mapping");
const parsed_message_part_1 = require("./parsed-message-part");
/**
* Created by roobm on 10.05.2017.
* A message parser for XLIFF 1.2
*/
class XliffMessageParser extends abstract_message_parser_1.AbstractMessageParser {
/**
* Handle this element node.
* This is called before the children are done.
* @param elementNode elementNode
* @param message message to be altered
* @return true, if children should be processed too, false otherwise (children ignored then)
*/
processStartElement(elementNode, message) {
const tagName = elementNode.tagName;
const tagMapping = new tag_mapping_1.TagMapping();
if (tagName === 'x') {
// placeholder are like <x id="INTERPOLATION"/> or <x id="INTERPOLATION_1">
const id = elementNode.getAttribute('id');
if (!id) {
return; // should not happen
}
if (id.startsWith('INTERPOLATION')) {
const index = this.parsePlaceholderIndexFromId(id);
message.addPlaceholder(index, null);
}
else if (id.startsWith('ICU')) {
const index = this.parseICUMessageRefIndexFromId(id);
message.addICUMessageRef(index, null);
}
else if (id.startsWith('START_')) {
const normalizedTagName = tagMapping.getTagnameFromStartTagPlaceholderName(id);
if (normalizedTagName) {
const idcount = this.parseIdCountFromName(id);
message.addStartTag(normalizedTagName, idcount);
}
}
else if (id.startsWith('CLOSE_')) {
const normalizedTagName = tagMapping.getTagnameFromCloseTagPlaceholderName(id);
if (normalizedTagName) {
message.addEndTag(normalizedTagName);
}
}
else if (tagMapping.isEmptyTagPlaceholderName(id)) {
const normalizedTagName = tagMapping.getTagnameFromEmptyTagPlaceholderName(id);
if (normalizedTagName) {
const idcount = this.parseIdCountFromName(id);
message.addEmptyTag(normalizedTagName, idcount);
}
}
}
return true;
}
/**
* Handle end of this element node.
* This is called after all children are processed.
* @param elementNode elementNode
* @param message message to be altered
*/
processEndElement(elementNode, message) {
}
/**
* Parse id attribute of x element as placeholder index.
* id can be "INTERPOLATION" or "INTERPOLATION_n"
* @param id id
* @return index
*/
parsePlaceholderIndexFromId(id) {
let indexString = '';
if (id === 'INTERPOLATION') {
indexString = '0';
}
else {
indexString = id.substring('INTERPOLATION_'.length);
}
return Number.parseInt(indexString, 10);
}
/**
* Parse id attribute of x element as placeholder index.
* id can be "INTERPOLATION" or "INTERPOLATION_n"
* @param id id
* @return id as number
*/
parseICUMessageRefIndexFromId(id) {
let indexString = '';
if (id === 'ICU') {
indexString = '0';
}
else {
indexString = id.substring('ICU_'.length);
}
return Number.parseInt(indexString, 10);
}
addXmlRepresentationToRoot(message, rootElem) {
message.parts().forEach((part) => {
let child;
switch (part.type) {
case parsed_message_part_1.ParsedMessagePartType.TEXT:
child = this.createXmlRepresentationOfTextPart(part, rootElem);
break;
case parsed_message_part_1.ParsedMessagePartType.START_TAG:
child = this.createXmlRepresentationOfStartTagPart(part, rootElem);
break;
case parsed_message_part_1.ParsedMessagePartType.END_TAG:
child = this.createXmlRepresentationOfEndTagPart(part, rootElem);
break;
case parsed_message_part_1.ParsedMessagePartType.EMPTY_TAG:
child = this.createXmlRepresentationOfEmptyTagPart(part, rootElem);
break;
case parsed_message_part_1.ParsedMessagePartType.PLACEHOLDER:
child = this.createXmlRepresentationOfPlaceholderPart(part, rootElem);
break;
case parsed_message_part_1.ParsedMessagePartType.ICU_MESSAGE_REF:
child = this.createXmlRepresentationOfICUMessageRefPart(part, rootElem);
break;
}
if (child) {
rootElem.appendChild(child);
}
});
}
/**
* the xml used for start tag in the message.
* Returns an empty <x/>-Element with attributes id and ctype
* @param part part
* @param rootElem rootElem
*/
createXmlRepresentationOfStartTagPart(part, rootElem) {
const xElem = rootElem.ownerDocument.createElement('x');
const tagMapping = new tag_mapping_1.TagMapping();
const idAttrib = tagMapping.getStartTagPlaceholderName(part.tagName(), part.idCounter());
const ctypeAttrib = tagMapping.getCtypeForTag(part.tagName());
const equivTextAttr = '<' + part.tagName() + '>';
xElem.setAttribute('id', idAttrib);
xElem.setAttribute('ctype', ctypeAttrib);
xElem.setAttribute('equiv-text', equivTextAttr);
return xElem;
}
/**
* the xml used for end tag in the message.
* Returns an empty <x/>-Element with attributes id and ctype
* @param part part
* @param rootElem rootElem
*/
createXmlRepresentationOfEndTagPart(part, rootElem) {
const xElem = rootElem.ownerDocument.createElement('x');
const tagMapping = new tag_mapping_1.TagMapping();
const idAttrib = tagMapping.getCloseTagPlaceholderName(part.tagName());
const ctypeAttrib = 'x-' + part.tagName();
xElem.setAttribute('id', idAttrib);
xElem.setAttribute('ctype', ctypeAttrib);
return xElem;
}
/**
* the xml used for empty tag in the message.
* Returns an empty <x/>-Element with attributes id and ctype
* @param part part
* @param rootElem rootElem
*/
createXmlRepresentationOfEmptyTagPart(part, rootElem) {
const xElem = rootElem.ownerDocument.createElement('x');
const tagMapping = new tag_mapping_1.TagMapping();
const idAttrib = tagMapping.getEmptyTagPlaceholderName(part.tagName(), part.idCounter());
const ctypeAttrib = tagMapping.getCtypeForTag(part.tagName());
const equivTextAttr = '<' + part.tagName() + '/>';
xElem.setAttribute('id', idAttrib);
xElem.setAttribute('ctype', ctypeAttrib);
xElem.setAttribute('equiv-text', equivTextAttr);
return xElem;
}
/**
* the xml used for placeholder in the message.
* Returns an empty <x/>-Element with attribute id="INTERPOLATION" or id="INTERPOLATION_n"
* @param part part
* @param rootElem rootElem
*/
createXmlRepresentationOfPlaceholderPart(part, rootElem) {
const xElem = rootElem.ownerDocument.createElement('x');
let idAttrib = 'INTERPOLATION';
if (part.index() > 0) {
idAttrib = 'INTERPOLATION_' + part.index().toString(10);
}
const equivTextAttr = part.disp();
xElem.setAttribute('id', idAttrib);
if (equivTextAttr) {
xElem.setAttribute('equiv-text', equivTextAttr);
}
return xElem;
}
/**
* the xml used for icu message refs in the message.
* @param part part
* @param rootElem rootElem
*/
createXmlRepresentationOfICUMessageRefPart(part, rootElem) {
const xElem = rootElem.ownerDocument.createElement('x');
let idAttrib = 'ICU';
if (part.index() > 0) {
idAttrib = 'ICU_' + part.index().toString(10);
}
xElem.setAttribute('id', idAttrib);
return xElem;
}
}
exports.XliffMessageParser = XliffMessageParser;
//# sourceMappingURL=xliff-message-parser.js.map