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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.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#include "common/tokenizer.h"
#include "engines/wintermute/utils/string_util.h"
#include "engines/wintermute/utils/convert_utf.h"
namespace Wintermute {
//////////////////////////////////////////////////////////////////////////
bool StringUtil::compareNoCase(const AnsiString &str1, const AnsiString &str2) {
return (str1.compareToIgnoreCase(str2) == 0);
}
//////////////////////////////////////////////////////////////////////////
/*bool StringUtil::CompareNoCase(const WideString &str1, const WideString &str2) {
WideString str1lc = str1;
WideString str2lc = str2;
ToLowerCase(str1lc);
ToLowerCase(str2lc);
return (str1lc == str2lc);
}*/
//////////////////////////////////////////////////////////////////////////
WideString StringUtil::utf8ToWide(const Utf8String &Utf8Str) {
size_t wideSize = Utf8Str.size();
uint32 *wideStringNative = new uint32[wideSize + 1];
const UTF8 *sourceStart = reinterpret_cast<const UTF8 *>(Utf8Str.c_str());
const UTF8 *sourceEnd = sourceStart + wideSize;
UTF32 *targetStart = reinterpret_cast<UTF32 *>(wideStringNative);
UTF32 *targetEnd = targetStart + wideSize;
ConversionResult res = ConvertUTF8toUTF32(&sourceStart, sourceEnd, &targetStart, targetEnd, strictConversion);
if (res != conversionOK) {
delete[] wideStringNative;
return WideString();
}
*targetStart = 0;
WideString resultString(wideStringNative);
delete[] wideStringNative;
return resultString;
}
//////////////////////////////////////////////////////////////////////////
Utf8String StringUtil::wideToUtf8(const WideString &WideStr) {
size_t wideSize = WideStr.size();
size_t utf8Size = 4 * wideSize + 1;
char *utf8StringNative = new char[utf8Size];
const UTF32 *sourceStart = reinterpret_cast<const UTF32 *>(WideStr.c_str());
const UTF32 *sourceEnd = sourceStart + wideSize;
UTF8 *targetStart = reinterpret_cast<UTF8 *>(utf8StringNative);
UTF8 *targetEnd = targetStart + utf8Size;
ConversionResult res = ConvertUTF32toUTF8(&sourceStart, sourceEnd, &targetStart, targetEnd, strictConversion);
if (res != conversionOK) {
delete[] utf8StringNative;
return Utf8String();
}
*targetStart = 0;
Utf8String resultString(utf8StringNative);
delete[] utf8StringNative;
return resultString;
}
//////////////////////////////////////////////////////////////////////////
WideString StringUtil::ansiToWide(const AnsiString &str) {
WideString result;
for (AnsiString::const_iterator i = str.begin(), end = str.end(); i != end; ++i) {
const byte c = *i;
if (c < 0x80 || c >= 0xA0) {
result += c;
} else {
uint32 utf32 = _ansiToUTF32[c - 0x80];
if (utf32) {
result += utf32;
} else {
// It's an invalid CP1252 character...
}
}
}
return result;
}
//////////////////////////////////////////////////////////////////////////
AnsiString StringUtil::wideToAnsi(const WideString &wstr) {
AnsiString result;
for (WideString::const_iterator i = wstr.begin(), end = wstr.end(); i != end; ++i) {
const uint32 c = *i;
if (c < 0x80 || (c >= 0xA0 && c <= 0xFF)) {
result += c;
} else {
uint32 ansi = 0xFFFFFFFF;
for (uint j = 0; j < ARRAYSIZE(_ansiToUTF32); ++j) {
if (_ansiToUTF32[j] == c) {
ansi = j + 0x80;
break;
}
}
if (ansi != 0xFFFFFFFF) {
result += ansi;
} else {
// There's no valid CP1252 code for this character...
}
}
}
return result;
}
//////////////////////////////////////////////////////////////////////////
bool StringUtil::isUtf8BOM(const byte *buffer, uint32 bufferSize) {
if (bufferSize > 3 && buffer[0] == 0xEF && buffer[1] == 0xBB && buffer[2] == 0xBF) {
return true;
} else {
return false;
}
}
//////////////////////////////////////////////////////////////////////////
int StringUtil::indexOf(const WideString &str, const WideString &toFind, size_t startFrom) {
return str.find(toFind, startFrom);
}
Common::String StringUtil::encodeSetting(const Common::String &str) {
for (uint32 i = 0; i < str.size(); i++) {
if ((str[i] < 33) || (str[i] == '=') || (str[i] > 126)) {
error("Setting contains illegal characters: %s", str.c_str());
}
}
return str;
}
Common::String StringUtil::decodeSetting(const Common::String &str) {
return str;
}
//////////////////////////////////////////////////////////////////////////
AnsiString StringUtil::toString(int val) {
return Common::String::format("%d", val);
}
// Mapping of CP1252 characters 0x80...0x9F into UTF-32
uint32 StringUtil::_ansiToUTF32[32] = {
0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021, 0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x017D, 0x0000,
0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, 0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0000, 0x017E, 0x0178
};
} // End of namespace Wintermute
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