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Fix unicode parsing Close #56

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This commit is contained in:
Misko Hevery 2010-10-15 14:06:30 -07:00
parent a36964799b
commit ff52f47537
2 changed files with 12 additions and 7 deletions
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4
src/Parser.js
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@ -170,6 +170,10 @@ function lex(text, parseStrings){
if (escape) {
if (ch == 'u') {
var hex = text.substring(index + 1, index + 5);
if (!hex.match(/[\da-f]{4}/i))
throw "Lexer Error: Invalid unicode escape [\\u" +
hex + "] starting at column '" +
start + "' in expression '" + text + "'.";
index += 4;
string += String.fromCharCode(parseInt(hex, 16));
} else {

15
test/ParserSpec.js
View file

@ -1,4 +1,4 @@
desccribe('parser', function(){
describe('parser', function(){
describe('lexer', function(){
it('should TokenizeAString', function(){
var tokens = lex("a.bc[22]+1.3|f:'a\\\'c':\"d\\\"e\"");
@ -170,6 +170,13 @@ desccribe('parser', function(){
var tokens = lex(".5");
expect(tokens[0].text).toEqual(0.5);
});
it('should throw error on invalid unicode', function(){
assertThrows("Lexer Error: Invalid unicode escape [\\u1''b] starting at column '0' in expression ''\\u1''bla''.", function(){
lex("'\\u1''bla'");
});
});
});
it('should parse Expressions', function(){
@ -400,12 +407,6 @@ desccribe('parser', function(){
assertEquals('misko', scope.$eval('n'));
});
it('should parse FiltersCanBeGrouped', function () {
var scope = createScope({name:'MISKO'});
assertEquals('misko', scope.$eval('n = (name|lowercase)'));
assertEquals('misko', scope.$eval('n'));
});
it('should parse Remainder', function () {
var scope = createScope();
assertEquals(1, scope.$eval('1%2'));