@angular/compiler
Version:
Angular - the compiler library
130 lines • 18.2 kB
JavaScript
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
export class Message {
/**
* @param nodes message AST
* @param placeholders maps placeholder names to static content
* @param placeholderToMessage maps placeholder names to messages (used for nested ICU messages)
* @param meaning
* @param description
* @param id
*/
constructor(nodes, placeholders, placeholderToMessage, meaning, description, id) {
this.nodes = nodes;
this.placeholders = placeholders;
this.placeholderToMessage = placeholderToMessage;
this.meaning = meaning;
this.description = description;
this.id = id;
if (nodes.length) {
this.sources = [{
filePath: nodes[0].sourceSpan.start.file.url,
startLine: nodes[0].sourceSpan.start.line + 1,
startCol: nodes[0].sourceSpan.start.col + 1,
endLine: nodes[nodes.length - 1].sourceSpan.end.line + 1,
endCol: nodes[0].sourceSpan.start.col + 1
}];
}
else {
this.sources = [];
}
}
}
export class Text {
constructor(value, sourceSpan) {
this.value = value;
this.sourceSpan = sourceSpan;
}
visit(visitor, context) { return visitor.visitText(this, context); }
}
// TODO(vicb): do we really need this node (vs an array) ?
export class Container {
constructor(children, sourceSpan) {
this.children = children;
this.sourceSpan = sourceSpan;
}
visit(visitor, context) { return visitor.visitContainer(this, context); }
}
export class Icu {
constructor(expression, type, cases, sourceSpan) {
this.expression = expression;
this.type = type;
this.cases = cases;
this.sourceSpan = sourceSpan;
}
visit(visitor, context) { return visitor.visitIcu(this, context); }
}
export class TagPlaceholder {
constructor(tag, attrs, startName, closeName, children, isVoid, sourceSpan) {
this.tag = tag;
this.attrs = attrs;
this.startName = startName;
this.closeName = closeName;
this.children = children;
this.isVoid = isVoid;
this.sourceSpan = sourceSpan;
}
visit(visitor, context) { return visitor.visitTagPlaceholder(this, context); }
}
export class Placeholder {
constructor(value, name, sourceSpan) {
this.value = value;
this.name = name;
this.sourceSpan = sourceSpan;
}
visit(visitor, context) { return visitor.visitPlaceholder(this, context); }
}
export class IcuPlaceholder {
constructor(value, name, sourceSpan) {
this.value = value;
this.name = name;
this.sourceSpan = sourceSpan;
}
visit(visitor, context) { return visitor.visitIcuPlaceholder(this, context); }
}
// Clone the AST
export class CloneVisitor {
visitText(text, context) { return new Text(text.value, text.sourceSpan); }
visitContainer(container, context) {
const children = container.children.map(n => n.visit(this, context));
return new Container(children, container.sourceSpan);
}
visitIcu(icu, context) {
const cases = {};
Object.keys(icu.cases).forEach(key => cases[key] = icu.cases[key].visit(this, context));
const msg = new Icu(icu.expression, icu.type, cases, icu.sourceSpan);
msg.expressionPlaceholder = icu.expressionPlaceholder;
return msg;
}
visitTagPlaceholder(ph, context) {
const children = ph.children.map(n => n.visit(this, context));
return new TagPlaceholder(ph.tag, ph.attrs, ph.startName, ph.closeName, children, ph.isVoid, ph.sourceSpan);
}
visitPlaceholder(ph, context) {
return new Placeholder(ph.value, ph.name, ph.sourceSpan);
}
visitIcuPlaceholder(ph, context) {
return new IcuPlaceholder(ph.value, ph.name, ph.sourceSpan);
}
}
// Visit all the nodes recursively
export class RecurseVisitor {
visitText(text, context) { }
visitContainer(container, context) {
container.children.forEach(child => child.visit(this));
}
visitIcu(icu, context) {
Object.keys(icu.cases).forEach(k => { icu.cases[k].visit(this); });
}
visitTagPlaceholder(ph, context) {
ph.children.forEach(child => child.visit(this));
}
visitPlaceholder(ph, context) { }
visitIcuPlaceholder(ph, context) { }
}
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All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {ParseSourceSpan} from '../parse_util';\n\nexport class Message {\n  sources: MessageSpan[];\n\n  /**\n   * @param nodes message AST\n   * @param placeholders maps placeholder names to static content\n   * @param placeholderToMessage maps placeholder names to messages (used for nested ICU messages)\n   * @param meaning\n   * @param description\n   * @param id\n   */\n  constructor(\n      public nodes: Node[], public placeholders: {[phName: string]: string},\n      public placeholderToMessage: {[phName: string]: Message}, public meaning: string,\n      public description: string, public id: string) {\n    if (nodes.length) {\n      this.sources = [{\n        filePath: nodes[0].sourceSpan.start.file.url,\n        startLine: nodes[0].sourceSpan.start.line + 1,\n        startCol: nodes[0].sourceSpan.start.col + 1,\n        endLine: nodes[nodes.length - 1].sourceSpan.end.line + 1,\n        endCol: nodes[0].sourceSpan.start.col + 1\n      }];\n    } else {\n      this.sources = [];\n    }\n  }\n}\n\n// line and columns indexes are 1 based\nexport interface MessageSpan {\n  filePath: string;\n  startLine: number;\n  startCol: number;\n  endLine: number;\n  endCol: number;\n}\n\nexport interface Node {\n  sourceSpan: ParseSourceSpan;\n  visit(visitor: Visitor, context?: any): any;\n}\n\nexport class Text implements Node {\n  constructor(public value: string, public sourceSpan: ParseSourceSpan) {}\n\n  visit(visitor: Visitor, context?: any): any { return visitor.visitText(this, context); }\n}\n\n// TODO(vicb): do we really need this node (vs an array) ?\nexport class Container implements Node {\n  constructor(public children: Node[], public sourceSpan: ParseSourceSpan) {}\n\n  visit(visitor: Visitor, context?: any): any { return visitor.visitContainer(this, context); }\n}\n\nexport class Icu implements Node {\n  // TODO(issue/24571): remove '!'.\n  public expressionPlaceholder !: string;\n  constructor(\n      public expression: string, public type: string, public cases: {[k: string]: Node},\n      public sourceSpan: ParseSourceSpan) {}\n\n  visit(visitor: Visitor, context?: any): any { return visitor.visitIcu(this, context); }\n}\n\nexport class TagPlaceholder implements Node {\n  constructor(\n      public tag: string, public attrs: {[k: string]: string}, public startName: string,\n      public closeName: string, public children: Node[], public isVoid: boolean,\n      public sourceSpan: ParseSourceSpan) {}\n\n  visit(visitor: Visitor, context?: any): any { return visitor.visitTagPlaceholder(this, context); }\n}\n\nexport class Placeholder implements Node {\n  constructor(public value: string, public name: string, public sourceSpan: ParseSourceSpan) {}\n\n  visit(visitor: Visitor, context?: any): any { return visitor.visitPlaceholder(this, context); }\n}\n\nexport class IcuPlaceholder implements Node {\n  constructor(public value: Icu, public name: string, public sourceSpan: ParseSourceSpan) {}\n\n  visit(visitor: Visitor, context?: any): any { return visitor.visitIcuPlaceholder(this, context); }\n}\n\nexport interface Visitor {\n  visitText(text: Text, context?: any): any;\n  visitContainer(container: Container, context?: any): any;\n  visitIcu(icu: Icu, context?: any): any;\n  visitTagPlaceholder(ph: TagPlaceholder, context?: any): any;\n  visitPlaceholder(ph: Placeholder, context?: any): any;\n  visitIcuPlaceholder(ph: IcuPlaceholder, context?: any): any;\n}\n\n// Clone the AST\nexport class CloneVisitor implements Visitor {\n  visitText(text: Text, context?: any): Text { return new Text(text.value, text.sourceSpan); }\n\n  visitContainer(container: Container, context?: any): Container {\n    const children = container.children.map(n => n.visit(this, context));\n    return new Container(children, container.sourceSpan);\n  }\n\n  visitIcu(icu: Icu, context?: any): Icu {\n    const cases: {[k: string]: Node} = {};\n    Object.keys(icu.cases).forEach(key => cases[key] = icu.cases[key].visit(this, context));\n    const msg = new Icu(icu.expression, icu.type, cases, icu.sourceSpan);\n    msg.expressionPlaceholder = icu.expressionPlaceholder;\n    return msg;\n  }\n\n  visitTagPlaceholder(ph: TagPlaceholder, context?: any): TagPlaceholder {\n    const children = ph.children.map(n => n.visit(this, context));\n    return new TagPlaceholder(\n        ph.tag, ph.attrs, ph.startName, ph.closeName, children, ph.isVoid, ph.sourceSpan);\n  }\n\n  visitPlaceholder(ph: Placeholder, context?: any): Placeholder {\n    return new Placeholder(ph.value, ph.name, ph.sourceSpan);\n  }\n\n  visitIcuPlaceholder(ph: IcuPlaceholder, context?: any): IcuPlaceholder {\n    return new IcuPlaceholder(ph.value, ph.name, ph.sourceSpan);\n  }\n}\n\n// Visit all the nodes recursively\nexport class RecurseVisitor implements Visitor {\n  visitText(text: Text, context?: any): any {}\n\n  visitContainer(container: Container, context?: any): any {\n    container.children.forEach(child => child.visit(this));\n  }\n\n  visitIcu(icu: Icu, context?: any): any {\n    Object.keys(icu.cases).forEach(k => { icu.cases[k].visit(this); });\n  }\n\n  visitTagPlaceholder(ph: TagPlaceholder, context?: any): any {\n    ph.children.forEach(child => child.visit(this));\n  }\n\n  visitPlaceholder(ph: Placeholder, context?: any): any {}\n\n  visitIcuPlaceholder(ph: IcuPlaceholder, context?: any): any {}\n}\n"]}