feat(compiler): add source files to xmb/xliff translations

Fixes angular#14190

modules/@angular/compiler-cli/integrationtest/src/entry_components.ts

@@ -10,7 +10,7 @@ import {ANALYZE_FOR_ENTRY_COMPONENTS, Component, ComponentFactoryResolver, Injec
 
 import {BasicComp} from './basic';
 
-@Component({selector: 'cmp-entryComponents', template: '', entryComponents: [BasicComp]})
+@Component({selector: 'cmp-entryComponents', template: '<p i18n>Welcome</p>', entryComponents: [BasicComp]})
 export class CompWithEntryComponents {
   constructor(public cfr: ComponentFactoryResolver) {}
 }

modules/@angular/compiler-cli/integrationtest/test/i18n_spec.ts

@@ -34,9 +34,9 @@ const EXPECTED_XMB = `<?xml version="1.0" encoding="UTF-8" ?>
 <!ELEMENT ex (#PCDATA)>
 ]>
 <messagebundle>
-  <msg id="8136548302122759730" desc="desc" meaning="meaning">translate me</msg>
-  <msg id="3492007542396725315">Welcome</msg>
-  <msg id="3772663375917578720">other-3rdP-component</msg>
+  <msg id="8136548302122759730" desc="desc" meaning="meaning"><source>src/basic.ts:1,1</source>translate me</msg>
+  <msg id="3492007542396725315"><source>src/basic.ts:5,5</source><source>src/entry_components.ts:1,1</source>Welcome</msg>
+  <msg id="3772663375917578720"><source>node_modules/third_party/other_comp.d.ts:1,1</source>other-3rdP-component</msg>
 </messagebundle>
 `;
 
@@ -47,16 +47,32 @@ const EXPECTED_XLIFF = `<?xml version="1.0" encoding="UTF-8" ?>
       <trans-unit id="76e1eccb1b772fa9f294ef9c146ea6d0efa8a2d4" datatype="html">
         <source>translate me</source>
         <target/>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/basic.ts</context>
+          <context context-type="linenumber">1</context>
+        </context-group>
         <note priority="1" from="description">desc</note>
         <note priority="1" from="meaning">meaning</note>
       </trans-unit>
       <trans-unit id="65cc4ab3b4c438e07c89be2b677d08369fb62da2" datatype="html">
         <source>Welcome</source>
         <target/>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/basic.ts</context>
+          <context context-type="linenumber">5</context>
+        </context-group>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/entry_components.ts</context>
+          <context context-type="linenumber">1</context>
+        </context-group>
       </trans-unit>
       <trans-unit id="63a85808f03b8181e36a952e0fa38202c2304862" datatype="html">
         <source>other-3rdP-component</source>
         <target/>
+        <context-group purpose="location">
+          <context context-type="sourcefile">node_modules/third_party/other_comp.d.ts</context>
+          <context context-type="linenumber">1</context>
+        </context-group>
       </trans-unit>
     </body>
   </file>

modules/@angular/compiler-cli/src/extractor.ts

@@ -59,8 +59,9 @@ export class Extractor {
       default:
         serializer = new compiler.Xliff();
     }
-
-    return bundle.write(serializer);
+    return bundle.write(
+        serializer,
+        (sourcePath: string) => sourcePath.replace(path.join(this.options.basePath, '/'), ''));
   }
 
   getExtension(formatName: string): string {

modules/@angular/compiler/src/i18n/i18n_ast.ts

@@ -9,6 +9,8 @@
 import {ParseSourceSpan} from '../parse_util';
 
 export class Message {
+  sources: MessageSpan[];
+
   /**
    * @param nodes message AST
    * @param placeholders maps placeholder names to static content
@@ -20,7 +22,29 @@ export class Message {
   constructor(
       public nodes: Node[], public placeholders: {[phName: string]: string},
       public placeholderToMessage: {[phName: string]: Message}, public meaning: string,
-      public description: string, public id: string) {}
+      public description: string, public id: string) {
+    if (nodes.length) {
+      this.sources = [{
+        filePath: nodes[0].sourceSpan.start.file.url,
+        // adding 1 to make the index 1 based
+        startLine: nodes[0].sourceSpan.start.line + 1,
+        startCol: nodes[0].sourceSpan.start.col,
+        endLine: nodes[nodes.length - 1].sourceSpan.end.line + 1,
+        endCol: nodes[0].sourceSpan.start.col
+      }];
+    } else {
+      this.sources = [];
+    }
+  }
+}
+
+export interface MessageSpan {
+  filePath: string;
+  // line indexes are 1 based
+  startLine: number;
+  startCol: number;
+  endLine: number;
+  endCol: number;
 }
 
 export interface Node {
@@ -131,4 +155,4 @@ export class RecurseVisitor implements Visitor {
   visitPlaceholder(ph: Placeholder, context?: any): any{};
 
   visitIcuPlaceholder(ph: IcuPlaceholder, context?: any): any{};
-}
+}

modules/@angular/compiler/src/i18n/message_bundle.ts

@@ -47,7 +47,7 @@ export class MessageBundle {
   // The public (serialized) format might be different, see the `write` method.
   getMessages(): i18n.Message[] { return this._messages; }
 
-  write(serializer: Serializer): string {
+  write(serializer: Serializer, filterSources?: (path: string) => string): string {
     const messages: {[id: string]: i18n.Message} = {};
     const mapperVisitor = new MapPlaceholderNames();
 
@@ -56,6 +56,8 @@ export class MessageBundle {
       const id = serializer.digest(message);
       if (!messages.hasOwnProperty(id)) {
         messages[id] = message;
+      } else {
+        messages[id].sources.push(...message.sources);
       }
     });
 
@@ -64,11 +66,24 @@ export class MessageBundle {
       const mapper = serializer.createNameMapper(messages[id]);
       const src = messages[id];
       const nodes = mapper ? mapperVisitor.convert(src.nodes, mapper) : src.nodes;
-      return new i18n.Message(nodes, {}, {}, src.meaning, src.description, id);
+      let transformedMessage = new i18n.Message(nodes, {}, {}, src.meaning, src.description, id);
+      transformedMessage.sources = src.sources;
+      if (filterSources) {
+        transformedMessage.sources.forEach(
+            (source: i18n.MessageSpan) => source.filePath = filterSources(source.filePath));
+      }
+      return transformedMessage;
     });
 
     return serializer.write(msgList, this._locale);
   }
+
+  // filter the message source paths relative to another path
+  filterMessageSourcePaths(sources: i18n.MessageSpan[], filter: string) {
+    sources.forEach(
+        (source: i18n.MessageSpan) => { source.filePath = source.filePath.replace(filter, ''); });
+    return sources;
+  }
 }
 
 // Transform an i18n AST by renaming the placeholder nodes with the given mapper

modules/@angular/compiler/src/i18n/serializers/xliff.ts

@@ -25,6 +25,8 @@ const _FILE_TAG = 'file';
 const _SOURCE_TAG = 'source';
 const _TARGET_TAG = 'target';
 const _UNIT_TAG = 'trans-unit';
+const _CONTEXT_GROUP_TAG = 'context-group';
+const _CONTEXT_TAG = 'context';
 
 // http://docs.oasis-open.org/xliff/v1.2/os/xliff-core.html
 // http://docs.oasis-open.org/xliff/v1.2/xliff-profile-html/xliff-profile-html-1.2.html
@@ -34,10 +36,24 @@ export class Xliff extends Serializer {
     const transUnits: xml.Node[] = [];
 
     messages.forEach(message => {
+      let contextTags: xml.Node[] = [];
+      message.sources.forEach((source: i18n.MessageSpan) => {
+        let contextGroupTag = new xml.Tag(_CONTEXT_GROUP_TAG, {purpose: 'location'});
+        contextGroupTag.children.push(
+            new xml.CR(10),
+            new xml.Tag(
+                _CONTEXT_TAG, {'context-type': 'sourcefile'}, [new xml.Text(source.filePath)]),
+            new xml.CR(10), new xml.Tag(
+                                _CONTEXT_TAG, {'context-type': 'linenumber'},
+                                [new xml.Text(`${source.startLine}`)]),
+            new xml.CR(8));
+        contextTags.push(new xml.CR(8), contextGroupTag);
+      });
+
       const transUnit = new xml.Tag(_UNIT_TAG, {id: message.id, datatype: 'html'});
       transUnit.children.push(
           new xml.CR(8), new xml.Tag(_SOURCE_TAG, {}, visitor.serialize(message.nodes)),
-          new xml.CR(8), new xml.Tag(_TARGET_TAG));
+          new xml.CR(8), new xml.Tag(_TARGET_TAG), ...contextTags);
 
       if (message.description) {
         transUnit.children.push(

modules/@angular/compiler/src/i18n/serializers/xmb.ts

@@ -16,6 +16,7 @@ const _MESSAGES_TAG = 'messagebundle';
 const _MESSAGE_TAG = 'msg';
 const _PLACEHOLDER_TAG = 'ph';
 const _EXEMPLE_TAG = 'ex';
+const _SOURCE_TAG = 'source';
 
 const _DOCTYPE = `<!ELEMENT messagebundle (msg)*>
 <!ATTLIST messagebundle class CDATA #IMPLIED>
@@ -54,8 +55,16 @@ export class Xmb extends Serializer {
         attrs['meaning'] = message.meaning;
       }
 
+      let sourceTags: xml.Tag[] = [];
+      message.sources.forEach((source: i18n.MessageSpan) => {
+        sourceTags.push(new xml.Tag(
+            _SOURCE_TAG, {},
+            [new xml.Text(`${source.filePath}:${source.startLine},${source.endLine}`)]));
+      });
+
       rootNode.children.push(
-          new xml.CR(2), new xml.Tag(_MESSAGE_TAG, attrs, visitor.serialize(message.nodes)));
+          new xml.CR(2),
+          new xml.Tag(_MESSAGE_TAG, attrs, [...sourceTags, ...visitor.serialize(message.nodes)]));
     });
 
     rootNode.children.push(new xml.CR());

modules/@angular/compiler/test/i18n/digest_spec.ts

@@ -19,6 +19,7 @@ export function main(): void {
           placeholderToMessage: {},
           meaning: '',
           description: '',
+          sources: [],
         })).toEqual('i');
       });
     });

modules/@angular/compiler/test/i18n/integration_spec.ts

@@ -39,7 +39,7 @@ export function main() {
     it('should extract from templates', () => {
       const catalog = new MessageBundle(new HtmlParser, [], {});
       const serializer = new Xmb();
-      catalog.updateFromTemplate(HTML, '', DEFAULT_INTERPOLATION_CONFIG);
+      catalog.updateFromTemplate(HTML, 'file.ts', DEFAULT_INTERPOLATION_CONFIG);
 
       expect(catalog.write(serializer)).toContain(XMB);
     });
@@ -168,32 +168,32 @@ const XTB = `
   <translation id="5339604010413301604"><ph name="MAP_NAME"><ex>MAP_NAME</ex></ph></translation>
 </translationbundle>`;
 
-const XMB = ` <msg id="615790887472569365">i18n attribute on tags</msg>
-  <msg id="3707494640264351337">nested</msg>
-  <msg id="5539162898278769904" meaning="different meaning">nested</msg>
-  <msg id="3780349238193953556"><ph name="START_ITALIC_TEXT"><ex>&lt;i&gt;</ex></ph>with placeholders<ph name="CLOSE_ITALIC_TEXT"><ex>&lt;/i&gt;</ex></ph></msg>
-  <msg id="5525133077318024839">on not translatable node</msg>
-  <msg id="8670732454866344690">on translatable node</msg>
-  <msg id="4593805537723189714">{VAR_PLURAL, plural, =0 {zero} =1 {one} =2 {two} other {<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>many<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph>} }</msg>
-  <msg id="1746565782635215">
+const XMB = ` <msg id="615790887472569365"><source>file.ts:3,3</source>i18n attribute on tags</msg>
+  <msg id="3707494640264351337"><source>file.ts:5,5</source>nested</msg>
+  <msg id="5539162898278769904" meaning="different meaning"><source>file.ts:7,7</source>nested</msg>
+  <msg id="3780349238193953556"><source>file.ts:9,9</source><source>file.ts:10,10</source><ph name="START_ITALIC_TEXT"><ex>&lt;i&gt;</ex></ph>with placeholders<ph name="CLOSE_ITALIC_TEXT"><ex>&lt;/i&gt;</ex></ph></msg>
+  <msg id="5525133077318024839"><source>file.ts:13,13</source>on not translatable node</msg>
+  <msg id="8670732454866344690"><source>file.ts:14,14</source>on translatable node</msg>
+  <msg id="4593805537723189714"><source>file.ts:19,19</source><source>file.ts:36,36</source>{VAR_PLURAL, plural, =0 {zero} =1 {one} =2 {two} other {<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>many<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph>} }</msg>
+  <msg id="1746565782635215"><source>file.ts:21,23</source><source>file.ts:24,26</source>
         <ph name="ICU"><ex>ICU</ex></ph>
     </msg>
-  <msg id="5868084092545682515">{VAR_SELECT, select, m {male} f {female} }</msg>
-  <msg id="4851788426695310455"><ph name="INTERPOLATION"><ex>INTERPOLATION</ex></ph></msg>
-  <msg id="9013357158046221374">sex = <ph name="INTERPOLATION"><ex>INTERPOLATION</ex></ph></msg>
-  <msg id="8324617391167353662"><ph name="CUSTOM_NAME"><ex>CUSTOM_NAME</ex></ph></msg>
-  <msg id="7685649297917455806">in a translatable section</msg>
-  <msg id="2387287228265107305">
+  <msg id="5868084092545682515"><source>file.ts:22,22</source><source>file.ts:25,25</source>{VAR_SELECT, select, m {male} f {female} }</msg>
+  <msg id="4851788426695310455"><source>file.ts:28,28</source><ph name="INTERPOLATION"><ex>INTERPOLATION</ex></ph></msg>
+  <msg id="9013357158046221374"><source>file.ts:29,29</source>sex = <ph name="INTERPOLATION"><ex>INTERPOLATION</ex></ph></msg>
+  <msg id="8324617391167353662"><source>file.ts:30,30</source><ph name="CUSTOM_NAME"><ex>CUSTOM_NAME</ex></ph></msg>
+  <msg id="7685649297917455806"><source>file.ts:35,35</source><source>file.ts:53,53</source>in a translatable section</msg>
+  <msg id="2387287228265107305"><source>file.ts:33,37</source>
     <ph name="START_HEADING_LEVEL1"><ex>&lt;h1&gt;</ex></ph>Markers in html comments<ph name="CLOSE_HEADING_LEVEL1"><ex>&lt;/h1&gt;</ex></ph>   
     <ph name="START_TAG_DIV"><ex>&lt;div&gt;</ex></ph><ph name="CLOSE_TAG_DIV"><ex>&lt;/div&gt;</ex></ph>
     <ph name="START_TAG_DIV_1"><ex>&lt;div&gt;</ex></ph><ph name="ICU"><ex>ICU</ex></ph><ph name="CLOSE_TAG_DIV"><ex>&lt;/div&gt;</ex></ph>
 </msg>
-  <msg id="1491627405349178954">it <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>should<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph> work</msg>
-  <msg id="i18n16">with an explicit ID</msg>
-  <msg id="i18n17">{VAR_PLURAL, plural, =0 {zero} =1 {one} =2 {two} other {<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>many<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph>} }</msg>
-  <msg id="4085484936881858615" desc="desc">{VAR_PLURAL, plural, =0 {Found no results} =1 {Found one result} other {Found <ph name="INTERPOLATION"><ex>INTERPOLATION</ex></ph> results} }</msg>
-  <msg id="4035252431381981115">foo<ph name="START_LINK"><ex>&lt;a&gt;</ex></ph>bar<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex></ph></msg>
-  <msg id="5339604010413301604"><ph name="MAP_NAME"><ex>MAP_NAME</ex></ph></msg>`;
+  <msg id="1491627405349178954"><source>file.ts:39,39</source>it <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>should<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph> work</msg>
+  <msg id="i18n16"><source>file.ts:41,41</source>with an explicit ID</msg>
+  <msg id="i18n17"><source>file.ts:42,42</source>{VAR_PLURAL, plural, =0 {zero} =1 {one} =2 {two} other {<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>many<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph>} }</msg>
+  <msg id="4085484936881858615" desc="desc"><source>file.ts:45,51</source>{VAR_PLURAL, plural, =0 {Found no results} =1 {Found one result} other {Found <ph name="INTERPOLATION"><ex>INTERPOLATION</ex></ph> results} }</msg>
+  <msg id="4035252431381981115"><source>file.ts:53,53</source>foo<ph name="START_LINK"><ex>&lt;a&gt;</ex></ph>bar<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex></ph></msg>
+  <msg id="5339604010413301604"><source>file.ts:55,55</source><ph name="MAP_NAME"><ex>MAP_NAME</ex></ph></msg>`;
 
 const HTML = `
 <div>