/// Appends another UTF8 string.
REMutableString & REMutableString::append(const char * utf8String,
const REUInt32 utf8StringLength)
{
const REUInt32 len = REStringUtilsPrivate::actualUTF8StringLength(utf8String, utf8StringLength);
if (len)
{
const REUInt32 thisLen = this->length();
const REUInt32 newLen = len + thisLen;
REBuffer * newBuffer = new REBuffer();
if (newBuffer)
{
if (newBuffer->resize(newLen + 1, false))
{
char * newData = (char *)newBuffer->buffer();
if (thisLen > 0)
{
memcpy(newData, this->UTF8String(), thisLen);
}
memcpy(&newData[thisLen], utf8String, len);
newData[newLen] = 0;
_p = REPtr<REBuffer>(newBuffer);
return (*this);
}
delete newBuffer;
}
}
return (*this);
}
void REMutableString::replaceWithLen(const char * charsStringValue,
const char * withCharsStringValue,
const REUInt32 firstLen,
const REUInt32 secondLen)
{
if (firstLen)
{
const REUInt32 length = this->length();
REUInt32 ocurencesCount = 0;
char * mainString = (char *)_p->buffer();
while ( (mainString = strstr(mainString, charsStringValue)) )
{
ocurencesCount++;
mainString += firstLen;
}
if (ocurencesCount)
{
const REUInt32 resultLen = (length + (ocurencesCount * secondLen)) - (ocurencesCount * firstLen);
REBuffer * newBuffer = new REBuffer();
if (!newBuffer) return;
if (!newBuffer->resize(resultLen + 1, false)) return;
char * newData = (char *)newBuffer->buffer();
mainString = (char *)_p->buffer();
char * srcString = (char *)_p->buffer();
char * dstString = newData;
while ( (mainString = strstr(mainString, charsStringValue)) )
{
while (srcString != mainString)
{
*dstString++ = *srcString++;
}
REUByte * addString = (REUByte *)withCharsStringValue;
REUInt32 addLen = secondLen;
while (addLen)
{
*dstString++ = *addString++;
addLen--;
}
mainString += firstLen;
srcString += firstLen;
}
while (*srcString)
{
*dstString++ = *srcString++;
}
newData[resultLen] = 0;
_p = REPtr<REBuffer>(newBuffer);
}
}
}
