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2026-02-02 04:50:13 +01:00

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12 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#include "engines/wintermute/base/base_game.h"
#include "engines/wintermute/base/scriptables/script_stack.h"
#include "engines/wintermute/base/scriptables/script_value.h"
#include "engines/wintermute/utils/utils.h"
#include "engines/wintermute/base/scriptables/script_ext_string.h"
#include "engines/wintermute/base/scriptables/script_ext_array.h"
#include "engines/wintermute/utils/string_util.h"
#include "engines/wintermute/dcgf.h"
#include "common/str.h"
#include "common/tokenizer.h"
namespace Wintermute {
IMPLEMENT_PERSISTENT(SXString, false)
BaseScriptable *makeSXString(BaseGame *inGame, ScStack *stack) {
return new SXString(inGame, stack);
}
//////////////////////////////////////////////////////////////////////////
SXString::SXString(BaseGame *inGame, ScStack *stack) : BaseScriptable(inGame) {
_string = nullptr;
_capacity = 0;
stack->correctParams(1);
ScValue *val = stack->pop();
if (val->isInt()) {
_capacity = MAX(0, val->getInt());
if (_capacity > 0) {
_string = new char[_capacity]();
memset(_string, 0, _capacity);
}
} else {
setStringVal(val->getString());
}
if (_capacity == 0) {
setStringVal("");
}
}
//////////////////////////////////////////////////////////////////////////
SXString::~SXString() {
if (_string) {
delete[] _string;
}
}
//////////////////////////////////////////////////////////////////////////
void SXString::setStringVal(const char *val) {
int len = strlen(val);
if (len >= _capacity) {
_capacity = len + 1;
SAFE_DELETE_ARRAY(_string);
_string = new char[_capacity]();
memset(_string, 0, _capacity);
}
Common::strcpy_s(_string, _capacity, val);
}
//////////////////////////////////////////////////////////////////////////
const char *SXString::scToString() {
if (_string) {
return _string;
} else {
return "[null string]";
}
}
//////////////////////////////////////////////////////////////////////////
void SXString::scSetString(const char *val) {
setStringVal(val);
}
//////////////////////////////////////////////////////////////////////////
bool SXString::scCallMethod(ScScript *script, ScStack *stack, ScStack *thisStack, const char *name) {
//////////////////////////////////////////////////////////////////////////
// Substring
//////////////////////////////////////////////////////////////////////////
if (strcmp(name, "Substring") == 0) {
stack->correctParams(2);
int start = stack->pop()->getInt();
int end = stack->pop()->getInt();
if (end < start) {
BaseUtils::swap(&start, &end);
}
//try {
WideString str;
if (_game->_textEncoding == TEXT_UTF8) {
str = StringUtil::utf8ToWide(_string);
} else {
str = StringUtil::ansiToWide(_string);
}
WideString subStr = str.substr(start, end - start + 1);
if (_game->_textEncoding == TEXT_UTF8) {
stack->pushString(StringUtil::wideToUtf8(subStr).c_str());
} else {
stack->pushString(StringUtil::wideToAnsi(subStr).c_str());
}
// } catch (std::exception &) {
// stack->pushNULL();
// }
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// Substr
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "Substr") == 0) {
stack->correctParams(2);
int start = stack->pop()->getInt();
ScValue *val = stack->pop();
int len = val->getInt();
if (!val->isNULL() && len <= 0) {
stack->pushString("");
return STATUS_OK;
}
if (val->isNULL()) {
len = strlen(_string) - start;
}
// try {
WideString str;
if (_game->_textEncoding == TEXT_UTF8) {
str = StringUtil::utf8ToWide(_string);
} else {
str = StringUtil::ansiToWide(_string);
}
WideString subStr = str.substr(start, len);
if (_game->_textEncoding == TEXT_UTF8) {
stack->pushString(StringUtil::wideToUtf8(subStr).c_str());
} else {
stack->pushString(StringUtil::wideToAnsi(subStr).c_str());
}
// } catch (std::exception &) {
// stack->pushNULL();
// }
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// ToUpperCase
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "ToUpperCase") == 0) {
stack->correctParams(0);
WideString str;
if (_game->_textEncoding == TEXT_UTF8) {
str = StringUtil::utf8ToWide(_string);
} else {
str = StringUtil::ansiToWide(_string);
}
str.toUppercase();
if (_game->_textEncoding == TEXT_UTF8) {
stack->pushString(StringUtil::wideToUtf8(str).c_str());
} else {
stack->pushString(StringUtil::wideToAnsi(str).c_str());
}
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// ToLowerCase
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "ToLowerCase") == 0) {
stack->correctParams(0);
WideString str;
if (_game->_textEncoding == TEXT_UTF8) {
str = StringUtil::utf8ToWide(_string);
} else {
str = StringUtil::ansiToWide(_string);
}
str.toLowercase();
if (_game->_textEncoding == TEXT_UTF8) {
stack->pushString(StringUtil::wideToUtf8(str).c_str());
} else {
stack->pushString(StringUtil::wideToAnsi(str).c_str());
}
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// IndexOf
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "IndexOf") == 0) {
stack->correctParams(2);
const char *strToFind = stack->pop()->getString();
int index = stack->pop()->getInt();
WideString str;
if (_game->_textEncoding == TEXT_UTF8) {
str = StringUtil::utf8ToWide(_string);
} else {
str = StringUtil::ansiToWide(_string);
}
WideString toFind;
if (_game->_textEncoding == TEXT_UTF8) {
toFind = StringUtil::utf8ToWide(strToFind);
} else {
toFind = StringUtil::ansiToWide(strToFind);
}
int indexOf = StringUtil::indexOf(str, toFind, index);
stack->pushInt(indexOf);
return STATUS_OK;
}
#ifdef ENABLE_HEROCRAFT
//////////////////////////////////////////////////////////////////////////
// [HeroCraft] GetCharCode
// Returns integer value of char at given position
// Used at "Pole Chudes" only
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "GetCharCode") == 0) {
stack->correctParams(1);
int index = stack->pop()->getInt();
int result = 0;
if (strlen(_string) > (uint32)index) {
result = _string[index];
}
stack->pushInt(result);
return STATUS_OK;
}
#endif
//////////////////////////////////////////////////////////////////////////
// Split
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "Split") == 0) {
stack->correctParams(1);
ScValue *val = stack->pop();
char separators[MAX_PATH_LENGTH] = ",";
if (!val->isNULL()) {
Common::strlcpy(separators, val->getString(), MAX_PATH_LENGTH);
}
SXArray *array = new SXArray(_game);
if (!array) {
stack->pushNULL();
return STATUS_OK;
}
WideString str;
if (_game->_textEncoding == TEXT_UTF8) {
str = StringUtil::utf8ToWide(_string);
} else {
str = StringUtil::ansiToWide(_string);
}
WideString delims;
if (_game->_textEncoding == TEXT_UTF8) {
delims = StringUtil::utf8ToWide(separators);
} else {
delims = StringUtil::ansiToWide(separators);
}
Common::Array<WideString> parts;
uint32 start = 0;
for(uint32 i = 0; i < str.size() + 1; i++) {
// The [] operator doesn't allow access to the zero code terminator
// (bug #6531)
uint32 ch = (i == str.size()) ? '\0' : str[i];
if (ch =='\0' || delims.contains(ch)) {
if (i != start) {
parts.push_back(str.substr(start, i - start));
} else {
parts.push_back(WideString());
}
start = i + 1;
}
}
for (Common::Array<WideString>::iterator it = parts.begin(); it != parts.end(); ++it) {
WideString &part = (*it);
if (_game->_textEncoding == TEXT_UTF8) {
val = new ScValue(_game, StringUtil::wideToUtf8(part).c_str());
} else {
val = new ScValue(_game, StringUtil::wideToAnsi(part).c_str());
}
array->push(val);
SAFE_DELETE(val);
}
stack->pushNative(array, false);
return STATUS_OK;
} else {
return STATUS_FAILED;
}
}
//////////////////////////////////////////////////////////////////////////
ScValue *SXString::scGetProperty(const char *name) {
_scValue->setNULL();
//////////////////////////////////////////////////////////////////////////
// Type (RO)
//////////////////////////////////////////////////////////////////////////
if (strcmp(name, "Type") == 0) {
_scValue->setString("string");
return _scValue;
}
//////////////////////////////////////////////////////////////////////////
// Length (RO)
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "Length") == 0) {
if (_game->_textEncoding == TEXT_UTF8) {
WideString wstr = StringUtil::utf8ToWide(_string);
_scValue->setInt(wstr.size());
} else {
_scValue->setInt(strlen(_string));
}
return _scValue;
}
//////////////////////////////////////////////////////////////////////////
// Capacity
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "Capacity") == 0) {
_scValue->setInt(_capacity);
return _scValue;
} else {
return _scValue;
}
}
//////////////////////////////////////////////////////////////////////////
bool SXString::scSetProperty(const char *name, ScValue *value) {
//////////////////////////////////////////////////////////////////////////
// Capacity
//////////////////////////////////////////////////////////////////////////
if (strcmp(name, "Capacity") == 0) {
int32 newCap = (uint32)value->getInt();
if (newCap < (int32)(strlen(_string) + 1)) {
_game->LOG(0, "Warning: cannot lower string capacity");
} else if (newCap != _capacity) {
char *newStr = new char[newCap]();
if (newStr) {
Common::strcpy_s(newStr, newCap, _string);
SAFE_DELETE_ARRAY(_string);
_string = newStr;
_capacity = newCap;
}
}
return STATUS_OK;
} else {
return STATUS_FAILED;
}
}
//////////////////////////////////////////////////////////////////////////
bool SXString::persist(BasePersistenceManager *persistMgr) {
BaseScriptable::persist(persistMgr);
persistMgr->transferSint32(TMEMBER(_capacity));
if (persistMgr->getIsSaving()) {
if (_capacity > 0) {
persistMgr->putBytes((byte *)_string, _capacity);
}
} else {
if (_capacity > 0) {
_string = new char[_capacity];
persistMgr->getBytes((byte *)_string, _capacity);
} else {
_string = nullptr;
}
}
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
int SXString::scCompare(BaseScriptable *val) {
return strcmp(_string, ((SXString *)val)->_string);
}
} // End of namespace Wintermute