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refactor(core): simplify i18n serializers code

This commit is contained in:
Victor Berchet 2016-10-31 18:22:11 -07:00
parent c60ba7a72f
commit 146af1fed9
3 changed files with 19 additions and 46 deletions
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20
modules/@angular/compiler/src/i18n/serializers/serializer.ts
View File

@ -16,24 +16,4 @@ export interface Serializer {
load(content: string, url: string, messageBundle: MessageBundle): {[id: string]: html.Node[]};
digest(message: i18n.Message): string;
}
// Generate a map of placeholder to content indexed by message ids
export function extractPlaceholders(messageMap: {[msgKey: string]: i18n.Message}) {
const phByMsgId: {[msgId: string]: {[name: string]: string}} = {};
Object.keys(messageMap).forEach(msgId => { phByMsgId[msgId] = messageMap[msgId].placeholders; });
return phByMsgId;
}
// Generate a map of placeholder to message ids indexed by message ids
export function extractPlaceholderToMessage(messageMap: {[msgKey: string]: i18n.Message}) {
const phToMsgByMsgId: {[msgId: string]: {[name: string]: i18n.Message}} = {};
Object.keys(messageMap).forEach(msgId => {
phToMsgByMsgId[msgId] = messageMap[msgId].placeholderToMessage;
});
return phToMsgByMsgId;
}

19
modules/@angular/compiler/src/i18n/serializers/xliff.ts
View File

@ -16,7 +16,7 @@ import * as i18n from '../i18n_ast';
import {MessageBundle} from '../message_bundle';
import {I18nError} from '../parse_util';
import {Serializer, extractPlaceholderToMessage, extractPlaceholders} from './serializer';
import {Serializer} from './serializer';
import * as xml from './xml_helper';
const _VERSION = '1.2';
@ -175,8 +175,7 @@ class _LoadVisitor implements ml.Visitor {
private _msgId: string;
private _target: ml.Node[];
private _errors: I18nError[];
private _placeholders: {[phName: string]: string};
private _placeholderToMessage: {[phName: string]: i18n.Message};
private _sourceMessage: i18n.Message;
constructor(private _serializer: Serializer) {}
@ -193,8 +192,6 @@ class _LoadVisitor implements ml.Visitor {
const messageMap: {[msgId: string]: i18n.Message} = {};
messageBundle.getMessages().forEach(m => messageMap[this._serializer.digest(m)] = m);
const placeholdersByMsgId = extractPlaceholders(messageMap);
const placeholderToMessageByMsgId = extractPlaceholderToMessage(messageMap);
this._messageNodes
.filter(message => {
@ -218,8 +215,7 @@ class _LoadVisitor implements ml.Visitor {
})
.forEach(message => {
const msgId = message[0];
this._placeholders = placeholdersByMsgId[msgId] || {};
this._placeholderToMessage = placeholderToMessageByMsgId[msgId] || {};
this._sourceMessage = messageMap[msgId];
// TODO(vicb): make sure there is no `_TRANSLATIONS_TAG` nor `_TRANSLATION_TAG`
this._translatedMessages[msgId] = ml.visitAll(this, message[1]).join('');
});
@ -257,11 +253,12 @@ class _LoadVisitor implements ml.Visitor {
this._addError(element, `<${_PLACEHOLDER_TAG}> misses the "id" attribute`);
} else {
const phName = idAttr.value;
if (this._placeholders.hasOwnProperty(phName)) {
return this._placeholders[phName];
if (this._sourceMessage.placeholders.hasOwnProperty(phName)) {
return this._sourceMessage.placeholders[phName];
}
if (this._placeholderToMessage.hasOwnProperty(phName)) {
const refMsgId = this._serializer.digest(this._placeholderToMessage[phName]);
if (this._sourceMessage.placeholderToMessage.hasOwnProperty(phName)) {
const refMsg = this._sourceMessage.placeholderToMessage[phName];
const refMsgId = this._serializer.digest(refMsg);
if (this._translatedMessages.hasOwnProperty(refMsgId)) {
return this._translatedMessages[refMsgId];
}

26
modules/@angular/compiler/src/i18n/serializers/xtb.ts
View File

@ -15,7 +15,7 @@ import * as i18n from '../i18n_ast';
import {MessageBundle} from '../message_bundle';
import {I18nError} from '../parse_util';
import {Serializer, extractPlaceholderToMessage, extractPlaceholders} from './serializer';
import {Serializer} from './serializer';
import {digest} from './xmb';
const _TRANSLATIONS_TAG = 'translationbundle';
@ -72,8 +72,7 @@ class _Visitor implements ml.Visitor {
private _bundleDepth: number;
private _translationDepth: number;
private _errors: I18nError[];
private _placeholders: {[phName: string]: string};
private _placeholderToMessage: {[phName: string]: i18n.Message};
private _sourceMessage: i18n.Message;
constructor(private _serializer: Serializer) {}
@ -86,13 +85,11 @@ class _Visitor implements ml.Visitor {
this._translationDepth = 0;
this._errors = [];
// Find all messages
// load all translations
ml.visitAll(this, nodes, null);
const messageMap: {[msgId: string]: i18n.Message} = {};
messageBundle.getMessages().forEach(m => messageMap[this._serializer.digest(m)] = m);
const placeholdersByMsgId = extractPlaceholders(messageMap);
const placeholderToMessageByMsgId = extractPlaceholderToMessage(messageMap);
this._messageNodes
.filter(message => {
@ -116,9 +113,7 @@ class _Visitor implements ml.Visitor {
})
.forEach(message => {
const msgId = message[0];
this._placeholders = placeholdersByMsgId[msgId] || {};
this._placeholderToMessage = placeholderToMessageByMsgId[msgId] || {};
this._sourceMessage = messageMap[msgId];
// TODO(vicb): make sure there is no `_TRANSLATIONS_TAG` nor `_TRANSLATION_TAG`
this._translatedMessages[msgId] = ml.visitAll(this, message[1]).join('');
});
@ -161,13 +156,14 @@ class _Visitor implements ml.Visitor {
this._addError(element, `<${_PLACEHOLDER_TAG}> misses the "name" attribute`);
} else {
const phName = nameAttr.value;
if (this._placeholders.hasOwnProperty(phName)) {
return this._placeholders[phName];
if (this._sourceMessage.placeholders.hasOwnProperty(phName)) {
return this._sourceMessage.placeholders[phName];
}
if (this._placeholderToMessage.hasOwnProperty(phName)) {
const refMessageId = this._serializer.digest(this._placeholderToMessage[phName]);
if (this._translatedMessages.hasOwnProperty(refMessageId)) {
return this._translatedMessages[refMessageId];
if (this._sourceMessage.placeholderToMessage.hasOwnProperty(phName)) {
const refMsg = this._sourceMessage.placeholderToMessage[phName];
const refMsgId = this._serializer.digest(refMsg);
if (this._translatedMessages.hasOwnProperty(refMsgId)) {
return this._translatedMessages[refMsgId];
}
}
// TODO(vicb): better error message for when