static void
CompressWhitespace(nsACString &str)
{
const char *p;
int32_t i, len = (int32_t) NS_CStringGetData(str, &p);
// trim leading whitespace
for (i=0; i<len; ++i)
{
if (!strchr(kWhitespace, (char) p[i]))
break;
}
if (i>0)
{
NS_CStringCutData(str, 0, i);
len = (int32_t) NS_CStringGetData(str, &p);
}
// trim trailing whitespace
for (i=len-1; i>=0; --i)
{
if (!strchr(kWhitespace, (char) p[i]))
break;
}
if (++i < len)
NS_CStringCutData(str, i, len - i);
}
void
nsACString::Trim(const char* aSet, bool aLeading, bool aTrailing)
{
NS_ASSERTION(aLeading || aTrailing, "Ineffective Trim");
const char* start;
const char* end;
uint32_t cutLen;
if (aLeading) {
BeginReading(&start, &end);
for (cutLen = 0; start < end; ++start, ++cutLen) {
const char* test;
for (test = aSet; *test; ++test) {
if (*test == *start) {
break;
}
}
if (!*test) {
break;
}
}
if (cutLen) {
NS_CStringCutData(*this, 0, cutLen);
}
}
if (aTrailing) {
uint32_t len = BeginReading(&start, &end);
--end;
for (cutLen = 0; end >= start; --end, ++cutLen) {
const char* test;
for (test = aSet; *test; ++test) {
if (*test == *end) {
break;
}
}
if (!*test) {
break;
}
}
if (cutLen) {
NS_CStringCutData(*this, len - cutLen, cutLen);
}
}
}
