Variant f_substr_replace(CVarRef str, CVarRef replacement, CVarRef start,
CVarRef length /* = 0x7FFFFFFF */) {
if (!str.is(KindOfArray)) {
String repl;
if (replacement.is(KindOfArray)) {
repl = replacement[0].toString();
} else {
repl = replacement.toString();
}
if (start.is(KindOfArray)) {
if (!length.is(KindOfArray)) {
throw_invalid_argument("start and length should be of same type - "
"numerical or array");
return str;
}
Array startArr = start.toArray();
Array lengthArr = length.toArray();
if (startArr.size() != lengthArr.size()) {
throw_invalid_argument("start and length: (different item count)");
return str;
}
throw_invalid_argument("start and length as arrays not implemented");
return str;
}
return str.toString().replace(start.toInt32(), length.toInt32(), repl);
}
Array ret;
Array strArr = str.toArray();
Array startArr = start.toArray();
Array lengthArr = length.toArray();
ArrayIter startIter(startArr);
ArrayIter lengthIter(lengthArr);
if (replacement.is(KindOfArray)) {
Array replArr = replacement.toArray();
ArrayIter replIter(replArr);
for (ArrayIter iter(strArr); iter;
++iter, ++startIter, ++lengthIter) {
int nStart = startIter.second().toInt32();
int nLength = lengthIter.second().toInt32();
String repl("");
if (replIter) {
repl = replIter.second().toString();
++replIter;
}
ret.append(iter.second().toString().replace(nStart, nLength, repl));
}
} else {
String repl = replacement.toString();
for (ArrayIter iter(strArr); iter;
++iter, ++startIter, ++lengthIter) {
int nStart = startIter.second().toInt32();
int nLength = lengthIter.second().toInt32();
ret.append(iter.second().toString().replace(nStart, nLength, repl));
}
}
return ret;
}
static Variant str_replace(CVarRef search, CVarRef replace, CStrRef subject,
int &count, bool caseSensitive) {
if (search.is(KindOfArray)) {
String ret = subject;
Array searchArr = search.toArray();
if (replace.is(KindOfArray)) {
Array replArr = replace.toArray();
ArrayIter replIter(replArr);
for (ArrayIter iter(searchArr); iter; ++iter) {
TAINT_OBSERVER(TAINT_BIT_MUTATED, TAINT_BIT_NONE);
if (replIter) {
ret = ret.replace(iter.second().toString(),
replIter.second().toString(),
count, caseSensitive);
++replIter;
} else {
ret = ret.replace(iter.second().toString(),
"", count, caseSensitive);
}
}
return ret;
}
TAINT_OBSERVER(TAINT_BIT_MUTATED, TAINT_BIT_NONE);
String repl = replace.toString();
for (ArrayIter iter(searchArr); iter; ++iter) {
ret = ret.replace(iter.second().toString(), repl, count, caseSensitive);
}
return ret;
}
if (replace.is(KindOfArray)) {
raise_notice("Array to string conversion");
}
TAINT_OBSERVER(TAINT_BIT_MUTATED, TAINT_BIT_NONE);
return subject.replace(search.toString(), replace.toString(), count,
caseSensitive);
}
