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Make expression parser accept backslashes in strings so we can do:

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SET a "Some \"embedded\" quotes"
This commit is contained in:
David F. Skoll
2008-02-06 23:35:46 -05:00
parent 742f973028
commit ba928989f7
1 changed files with 40 additions and 0 deletions
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40
src/expr.c
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@@ -204,6 +204,46 @@ static int ParseExprToken(DynamicBuffer *buf, char const **in)
if (c == '\"') {
if (!**in) return E_MISS_QUOTE;
while (**in) {
/* Allow backslash-escapes */
if (**in == '\\') {
int r;
(*in)++;
if (!**in) {
DBufFree(buf);
return E_MISS_QUOTE;
}
switch(**in) {
case 'a':
r = DBufPutc(buf, '\a');
break;
case 'b':
r = DBufPutc(buf, '\b');
break;
case 'f':
r = DBufPutc(buf, '\f');
break;
case 'n':
r = DBufPutc(buf, '\n');
break;
case 'r':
r = DBufPutc(buf, '\r');
break;
case 't':
r = DBufPutc(buf, '\t');
break;
case 'v':
r = DBufPutc(buf, '\v');
break;
default:
r = DBufPutc(buf, **in);
}
(*in)++;
if (r != OK) {
DBufFree(buf);
return E_NO_MEM;
}
continue;
}
c = *(*in)++;
if (DBufPutc(buf, c) != OK) {
DBufFree(buf);