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Angular - the compiler library

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/** * @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 */ (function (factory) { if (typeof module === "object" && typeof module.exports === "object") { var v = factory(require, exports); if (v !== undefined) module.exports = v; } else if (typeof define === "function" && define.amd) { define("@angular/compiler/src/i18n/serializers/xml_helper", ["require", "exports", "tslib"], factory); } })(function (require, exports) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); var tslib_1 = require("tslib"); var _Visitor = /** @class */ (function () { function _Visitor() { } _Visitor.prototype.visitTag = function (tag) { var _this = this; var strAttrs = this._serializeAttributes(tag.attrs); if (tag.children.length == 0) { return "<" + tag.name + strAttrs + "/>"; } var strChildren = tag.children.map(function (node) { return node.visit(_this); }); return "<" + tag.name + strAttrs + ">" + strChildren.join('') + "</" + tag.name + ">"; }; _Visitor.prototype.visitText = function (text) { return text.value; }; _Visitor.prototype.visitDeclaration = function (decl) { return "<?xml" + this._serializeAttributes(decl.attrs) + " ?>"; }; _Visitor.prototype._serializeAttributes = function (attrs) { var strAttrs = Object.keys(attrs).map(function (name) { return name + "=\"" + attrs[name] + "\""; }).join(' '); return strAttrs.length > 0 ? ' ' + strAttrs : ''; }; _Visitor.prototype.visitDoctype = function (doctype) { return "<!DOCTYPE " + doctype.rootTag + " [\n" + doctype.dtd + "\n]>"; }; return _Visitor; }()); var _visitor = new _Visitor(); function serialize(nodes) { return nodes.map(function (node) { return node.visit(_visitor); }).join(''); } exports.serialize = serialize; var Declaration = /** @class */ (function () { function Declaration(unescapedAttrs) { var _this = this; this.attrs = {}; Object.keys(unescapedAttrs).forEach(function (k) { _this.attrs[k] = escapeXml(unescapedAttrs[k]); }); } Declaration.prototype.visit = function (visitor) { return visitor.visitDeclaration(this); }; return Declaration; }()); exports.Declaration = Declaration; var Doctype = /** @class */ (function () { function Doctype(rootTag, dtd) { this.rootTag = rootTag; this.dtd = dtd; } Doctype.prototype.visit = function (visitor) { return visitor.visitDoctype(this); }; return Doctype; }()); exports.Doctype = Doctype; var Tag = /** @class */ (function () { function Tag(name, unescapedAttrs, children) { if (unescapedAttrs === void 0) { unescapedAttrs = {}; } if (children === void 0) { children = []; } var _this = this; this.name = name; this.children = children; this.attrs = {}; Object.keys(unescapedAttrs).forEach(function (k) { _this.attrs[k] = escapeXml(unescapedAttrs[k]); }); } Tag.prototype.visit = function (visitor) { return visitor.visitTag(this); }; return Tag; }()); exports.Tag = Tag; var Text = /** @class */ (function () { function Text(unescapedValue) { this.value = escapeXml(unescapedValue); } Text.prototype.visit = function (visitor) { return visitor.visitText(this); }; return Text; }()); exports.Text = Text; var CR = /** @class */ (function (_super) { tslib_1.__extends(CR, _super); function CR(ws) { if (ws === void 0) { ws = 0; } return _super.call(this, "\n" + new Array(ws + 1).join(' ')) || this; } return CR; }(Text)); exports.CR = CR; var _ESCAPED_CHARS = [ [/&/g, '&amp;'], [/"/g, '&quot;'], [/'/g, '&apos;'], [/</g, '&lt;'], [/>/g, '&gt;'], ]; // Escape `_ESCAPED_CHARS` characters in the given text with encoded entities function escapeXml(text) { return _ESCAPED_CHARS.reduce(function (text, entry) { return text.replace(entry[0], entry[1]); 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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\nexport interface IVisitor {\n  visitTag(tag: Tag): any;\n  visitText(text: Text): any;\n  visitDeclaration(decl: Declaration): any;\n  visitDoctype(doctype: Doctype): any;\n}\n\nclass _Visitor implements IVisitor {\n  visitTag(tag: Tag): string {\n    const strAttrs = this._serializeAttributes(tag.attrs);\n\n    if (tag.children.length == 0) {\n      return `<${tag.name}${strAttrs}/>`;\n    }\n\n    const strChildren = tag.children.map(node => node.visit(this));\n    return `<${tag.name}${strAttrs}>${strChildren.join('')}</${tag.name}>`;\n  }\n\n  visitText(text: Text): string { return text.value; }\n\n  visitDeclaration(decl: Declaration): string {\n    return `<?xml${this._serializeAttributes(decl.attrs)} ?>`;\n  }\n\n  private _serializeAttributes(attrs: {[k: string]: string}) {\n    const strAttrs = Object.keys(attrs).map((name: string) => `${name}=\"${attrs[name]}\"`).join(' ');\n    return strAttrs.length > 0 ? ' ' + strAttrs : '';\n  }\n\n  visitDoctype(doctype: Doctype): any {\n    return `<!DOCTYPE ${doctype.rootTag} [\\n${doctype.dtd}\\n]>`;\n  }\n}\n\nconst _visitor = new _Visitor();\n\nexport function serialize(nodes: Node[]): string {\n  return nodes.map((node: Node): string => node.visit(_visitor)).join('');\n}\n\nexport interface Node { visit(visitor: IVisitor): any; }\n\nexport class Declaration implements Node {\n  public attrs: {[k: string]: string} = {};\n\n  constructor(unescapedAttrs: {[k: string]: string}) {\n    Object.keys(unescapedAttrs).forEach((k: string) => {\n      this.attrs[k] = escapeXml(unescapedAttrs[k]);\n    });\n  }\n\n  visit(visitor: IVisitor): any { return visitor.visitDeclaration(this); }\n}\n\nexport class Doctype implements Node {\n  constructor(public rootTag: string, public dtd: string) {}\n\n  visit(visitor: IVisitor): any { return visitor.visitDoctype(this); }\n}\n\nexport class Tag implements Node {\n  public attrs: {[k: string]: string} = {};\n\n  constructor(\n      public name: string, unescapedAttrs: {[k: string]: string} = {},\n      public children: Node[] = []) {\n    Object.keys(unescapedAttrs).forEach((k: string) => {\n      this.attrs[k] = escapeXml(unescapedAttrs[k]);\n    });\n  }\n\n  visit(visitor: IVisitor): any { return visitor.visitTag(this); }\n}\n\nexport class Text implements Node {\n  value: string;\n  constructor(unescapedValue: string) { this.value = escapeXml(unescapedValue); }\n\n  visit(visitor: IVisitor): any { return visitor.visitText(this); }\n}\n\nexport class CR extends Text {\n  constructor(ws: number = 0) { super(`\\n${new Array(ws + 1).join(' ')}`); }\n}\n\nconst _ESCAPED_CHARS: [RegExp, string][] = [\n  [/&/g, '&amp;'],\n  [/\"/g, '&quot;'],\n  [/'/g, '&apos;'],\n  [/</g, '&lt;'],\n  [/>/g, '&gt;'],\n];\n\n// Escape `_ESCAPED_CHARS` characters in the given text with encoded entities\nexport function escapeXml(text: string): string {\n  return _ESCAPED_CHARS.reduce(\n      (text: string, entry: [RegExp, string]) => text.replace(entry[0], entry[1]), text);\n}\n"]}