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src/utils.js: Make |quoteForRegexpClass| escape control characters

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Fixes the following JSHint errors:

  ./src/parser.js: line 3614, col 16, Mixed spaces and tabs.
  ./src/parser.js: line 3614, col 20, Unsafe character.
This commit is contained in:
David Majda 2011-09-14 11:35:40 +02:00
parent ab49197ef1
commit f893d47b98
2 changed files with 15 additions and 11 deletions
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4
src/parser.js
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@ -3611,13 +3611,13 @@ PEG.parser = (function(){
var pos0; var pos0;
reportFailures++; reportFailures++;
if (/^[ \xA0\uFEFF\u1680\u180E\u2000-\u200A\u202F\u205F\u3000]/.test(input.charAt(pos))) { if (/^[ \t\x0B\f\xA0\uFEFF\u1680\u180E\u2000-\u200A\u202F\u205F\u3000]/.test(input.charAt(pos))) {
result0 = input.charAt(pos); result0 = input.charAt(pos);
pos++; pos++;
} else { } else {
result0 = null; result0 = null;
if (reportFailures === 0) { if (reportFailures === 0) {
matchFailed("[ \t\x0B\f\\xA0\\uFEFF\\u1680\\u180E\\u2000-\\u200A\\u202F\\u205F\\u3000]"); matchFailed("[ \\t\\x0B\\f\\xA0\\uFEFF\\u1680\\u180E\\u2000-\\u200A\\u202F\\u205F\\u3000]");
} }
} }
reportFailures--; reportFailures--;

22
src/utils.js
View file

@ -120,17 +120,21 @@ function quoteForRegexpClass(s) {
/* /*
* Based on ECMA-262, 5th ed., 7.8.5 & 15.10.1. * Based on ECMA-262, 5th ed., 7.8.5 & 15.10.1.
* *
* For portability, we also escape escape all non-ASCII characters. * For portability, we also escape escape all control and non-ASCII
* characters.
*/ */
return s return s
.replace(/\\/g, '\\\\') // backslash .replace(/\\/g, '\\\\') // backslash
.replace(/\0/g, '\\0') // null, IE needs this .replace(/\//g, '\\/') // closing slash
.replace(/\//g, '\\/') // closing slash .replace(/\]/g, '\\]') // closing bracket
.replace(/\]/g, '\\]') // closing bracket .replace(/-/g, '\\-') // dash
.replace(/-/g, '\\-') // dash .replace(/\0/g, '\\0') // null, IE needs this
.replace(/\r/g, '\\r') // carriage return .replace(/\t/g, '\\t') // horizontal tab
.replace(/\n/g, '\\n') // line feed .replace(/\n/g, '\\n') // line feed
.replace(/[\x80-\uFFFF]/g, escape); // non-ASCII characters .replace(/\v/g, '\\x0B') // vertical tab
.replace(/\f/g, '\\f') // form feed
.replace(/\r/g, '\\r') // carriage return
.replace(/[\x01-\x08\x0E-\x1F\x80-\uFFFF]/g, escape);
} }
/* /*