102 lines
3.2 KiB
TypeScript
102 lines
3.2 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {ListWrapper} from '../../facade/collection';
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import * as i18nAst from '../i18n_ast';
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import {Serializer} from './serializer';
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import * as xml from './xml_helper';
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const _MESSAGES_TAG = 'messagebundle';
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const _MESSAGE_TAG = 'msg';
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const _PLACEHOLDER_TAG = 'ph';
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const _EXEMPLE_TAG = 'ex';
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export class XmbSerializer implements Serializer {
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// TODO(vicb): DOCTYPE
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write(messageMap: {[k: string]: i18nAst.Message}): string {
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const visitor = new _Visitor();
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const declaration = new xml.Declaration({version: '1.0', encoding: 'UTF-8'});
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let rootNode = new xml.Tag(_MESSAGES_TAG);
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rootNode.children.push(new xml.Text('\n'));
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Object.getOwnPropertyNames(messageMap).forEach((id) => {
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const message = messageMap[id];
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let attrs: {[k: string]: string} = {id};
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if (message.description) {
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attrs['desc'] = message.description;
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}
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if (message.meaning) {
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attrs['meaning'] = message.meaning;
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}
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rootNode.children.push(
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new xml.Text(' '), new xml.Tag(_MESSAGE_TAG, attrs, visitor.serialize(message.nodes)),
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new xml.Text('\n'));
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});
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return xml.serialize([
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declaration,
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new xml.Text('\n'),
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rootNode,
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]);
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}
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load(content: string): {[k: string]: i18nAst.Node[]} { throw new Error('Unsupported'); }
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}
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class _Visitor implements i18nAst.Visitor {
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visitText(text: i18nAst.Text, context?: any): xml.Node[] { return [new xml.Text(text.value)]; }
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visitContainer(container: i18nAst.Container, context?: any): xml.Node[] {
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const nodes: xml.Node[] = [];
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container.children.forEach((node: i18nAst.Node) => nodes.push(...node.visit(this)));
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return nodes;
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}
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visitIcu(icu: i18nAst.Icu, context?: any): xml.Node[] {
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const nodes = [new xml.Text(`{${icu.expression}, ${icu.type}, `)];
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Object.getOwnPropertyNames(icu.cases).forEach((c: string) => {
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nodes.push(new xml.Text(`${c} {`), ...icu.cases[c].visit(this), new xml.Text(`}`));
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});
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nodes.push(new xml.Text(`}`));
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return nodes;
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}
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visitTagPlaceholder(ph: i18nAst.TagPlaceholder, context?: any): xml.Node[] {
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const startEx = new xml.Tag(_EXEMPLE_TAG, {}, [new xml.Text(`<${ph.tag}>`)]);
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const startTagPh = new xml.Tag(_PLACEHOLDER_TAG, {name: ph.startName}, [startEx]);
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if (ph.isVoid) {
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// void tags have no children nor closing tags
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return [startTagPh];
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}
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const closeEx = new xml.Tag(_EXEMPLE_TAG, {}, [new xml.Text(`</${ph.tag}>`)]);
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const closeTagPh = new xml.Tag(_PLACEHOLDER_TAG, {name: ph.closeName}, [closeEx]);
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return [startTagPh, ...this.serialize(ph.children), closeTagPh];
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}
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visitPlaceholder(ph: i18nAst.Placeholder, context?: any): xml.Node[] {
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return [new xml.Tag(_PLACEHOLDER_TAG, {name: ph.name})];
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}
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visitIcuPlaceholder(ph: i18nAst.IcuPlaceholder, context?: any): xml.Node[] {
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return [new xml.Tag(_PLACEHOLDER_TAG, {name: ph.name})];
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}
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serialize(nodes: i18nAst.Node[]): xml.Node[] {
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return ListWrapper.flatten(nodes.map(node => node.visit(this)));
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}
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}
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