69 lines
2.3 KiB
TypeScript
69 lines
2.3 KiB
TypeScript
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import {StringWrapper, RegExpWrapper, isJsObject} from 'angular2/src/core/facade/lang';
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var IS_FIELD = RegExpWrapper.create('^\\w+[\\.|\\#]\\w+=?$');
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var IS_INTERFACE = RegExpWrapper.create('^\\{\\w+\\}');
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var IS_DART = RegExpWrapper.create('\\:dart$');
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var IS_JS = RegExpWrapper.create('\\:js$');
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var IS_OPTIONAL = RegExpWrapper.create('\\:optional$');
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var JS = 'JS';
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var DART = 'Dart';
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var MODE = isJsObject({}) ? JS : DART;
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export class SymbolsDiff {
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missing: string[] = [];
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extra: string[] = [];
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errors: string[] = [];
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constructor(public actual: string[], public expected: string[]) {
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this.actual.sort(compareIgnoreLang);
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this.expected.sort(compareIgnoreLang);
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this.computeDiff();
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}
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computeDiff(): void {
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for (var i = 0, j = 0, length = this.expected.length + this.actual.length; i + j < length;) {
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var expectedName: string = i < this.expected.length ? this.expected[i] : '~';
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var actualName: string = j < this.actual.length ? this.actual[j] : '~';
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if (stripLang(expectedName) == stripLang(actualName)) {
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i++;
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j++;
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} else if (StringWrapper.compare(stripLang(expectedName), stripLang(actualName)) > 0) {
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// JS does not see fields so ignore none method symbols
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if (!this.shouldIgnore(expectedName)) {
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this.extra.push(actualName);
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this.errors.push('+ ' + actualName);
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}
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j++;
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} else {
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if (!this.shouldIgnore(expectedName)) {
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this.missing.push(expectedName);
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this.errors.push('- ' + expectedName);
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}
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i++;
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}
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}
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}
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shouldIgnore(expected: string): boolean {
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var ignore = false;
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if (MODE == JS) {
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ignore = RegExpWrapper.test(IS_FIELD, expected) ||
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RegExpWrapper.test(IS_INTERFACE, expected) ||
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RegExpWrapper.test(IS_DART, expected) || RegExpWrapper.test(IS_OPTIONAL, expected)
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} else {
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ignore = RegExpWrapper.test(IS_JS, expected) || RegExpWrapper.test(IS_OPTIONAL, expected)
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}
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return ignore;
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}
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}
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function stripLang(text: string): string {
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var index = text.indexOf(':');
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if (index >= 0) text = text.substring(0, index);
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return text;
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}
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function compareIgnoreLang(a: string, b: string): number {
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return StringWrapper.compare(stripLang(a), stripLang(b));
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}
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