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Bug 352437 - Part c: Escape quotes in tagify; r=jorendorff

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This commit is contained in:
Ms2ger 2012-08-04 09:29:35 +02:00
parent 0916f70a27
commit 66cdada8f8
1 changed files with 15 additions and 3 deletions
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18
js/src/jsstr.cpp
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@ -2931,8 +2931,13 @@ tagify(JSContext *cx, const char *begin, JSLinearString *param, const char *end,
size_t beglen = strlen(begin);
size_t taglen = 1 + beglen + 1; /* '<begin' + '>' */
if (param) {
size_t parlen = param->length();
taglen += 2 + parlen + 1; /* '="param"' */
size_t numChars = param->length();
const jschar *parchars = param->chars();
for (size_t i = 0, parlen = numChars; i < parlen; ++i) {
if (parchars[i] == '"')
numChars += 5; /* len(&quot;) - len(") */
}
taglen += 2 + numChars + 1; /* '="param"' */
}
size_t endlen = strlen(end);
taglen += str->length() + 2 + endlen + 1; /* 'str</end>' */
@ -2949,7 +2954,14 @@ tagify(JSContext *cx, const char *begin, JSLinearString *param, const char *end,
if (param) {
sb.infallibleAppend('=');
sb.infallibleAppend('"');
MOZ_ALWAYS_TRUE(sb.append(param));
const jschar *parchars = param->chars();
for (size_t i = 0, parlen = param->length(); i < parlen; ++i) {
if (parchars[i] != '"') {
sb.infallibleAppend(parchars[i]);
} else {
MOZ_ALWAYS_TRUE(sb.append("&quot;"));
}
}
sb.infallibleAppend('"');
}