@angular/compiler
Version:
Angular - the compiler library
103 lines • 12.4 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
*/
import * as tslib_1 from "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();
export function serialize(nodes) {
return nodes.map(function (node) { return node.visit(_visitor); }).join('');
}
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;
}());
export { 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;
}());
export { 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;
}());
export { Tag };
var Text = /** @class */ (function () {
function Text(unescapedValue) {
this.value = escapeXml(unescapedValue);
}
Text.prototype.visit = function (visitor) { return visitor.visitText(this); };
return Text;
}());
export { 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));
export { CR };
var _ESCAPED_CHARS = [
[/&/g, '&'],
[/"/g, '"'],
[/'/g, '''],
[/</g, '<'],
[/>/g, '>'],
];
// Escape `_ESCAPED_CHARS` characters in the given text with encoded entities
export function escapeXml(text) {
return _ESCAPED_CHARS.reduce(function (text, entry) { return text.replace(entry[0], entry[1]); }, text);
}
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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"]}