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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "titanic/true_talk/tt_string.h"
#include "titanic/support/simple_file.h"
namespace Titanic {
TTstring::TTstring() : _status(SS_VALID) {
_data = new TTstringData();
}
TTstring::TTstring(const char *str) : _status(SS_VALID) {
_data = new TTstringData(str);
}
TTstring::TTstring(const CString &str) {
_status = SS_VALID;
_data = new TTstringData(str);
}
TTstring::TTstring(const TTstring &str) {
if (str._status != SS_VALID) {
_status = SS_5;
_data = nullptr;
} else {
_status = SS_VALID;
_data = str._data;
_data->_referenceCount++;
}
}
TTstring::~TTstring() {
if (_data && --_data->_referenceCount == 0)
delete _data;
}
void TTstring::operator=(const TTstring &str) {
if (&str == this)
// Trying to assign string to itself
return;
// Delete old string reference, if any
if (_data && --_data->_referenceCount == 0)
delete _data;
// Copy source string data
_status = str._status;
_data = str._data;
if (_data)
_data->_referenceCount++;
}
void TTstring::operator=(const CString &str) {
operator=(str.c_str());
}
void TTstring::operator=(const char *str) {
// Delete old string reference, if any
if (_data && --_data->_referenceCount == 0)
delete _data;
// Create new string data
_data = new TTstringData(str);
_status = SS_VALID;
}
TTstring &TTstring::operator+=(const char *str) {
_data->_string += str;
return *this;
}
TTstring &TTstring::operator+=(const TTstring &str) {
_data->_string += str;
return *this;
}
TTstring &TTstring::operator+=(char c) {
_data->_string += c;
return *this;
}
bool TTstring::operator==(const TTstring &str) const {
return _data && str._data && _data->_string == str._data->_string;
}
bool TTstring::operator==(const char *str) const {
return _data && _data->_string == str;
}
void TTstring::save(SimpleFile *file) const {
file->writeFormat("%s", c_str());
}
TTstring TTstring::tokenize(const char *delim) {
const char *strP = _data->_string.c_str();
const char *splitP = nullptr, *chP;
for (const char *d = delim; *d; ++d) {
chP = strchr(strP, *d);
if (chP && (splitP == nullptr || chP < splitP))
splitP = chP;
}
if (splitP) {
TTstring result(CString(strP, splitP));
_data->_string = CString(splitP + 1);
return result;
} else {
TTstring result(strP);
_data->_string = CString();
return result;
}
}
int TTstring::deletePrefix(int count) {
int strSize = size();
if (count > strSize)
count = strSize;
if (_data->_referenceCount == 1) {
// No other references to this string, so we can just directly modify it
_data->_string = CString(_data->_string.c_str() + count);
} else {
// Detach string from current shared data, and create a new one with the substring
_data->_referenceCount--;
_data = new TTstringData(_data->_string.c_str() + count);
}
return 1;
}
int TTstring::deleteSuffix(int count) {
int strSize = size();
if (count > strSize)
count = strSize;
CString newStr(_data->_string.c_str(), _data->_string.c_str() + strSize - count);
if (_data->_referenceCount == 1) {
// No other references to this string, so we can just directly modify it
_data->_string = newStr;
} else {
// Detach string from current shared data, and create a new one with the substring
_data->_referenceCount--;
_data = new TTstringData(newStr);
}
return 1;
}
} // End of namespace Titanic
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