NSIS/Source/tstring.cpp
kichik 8c50ab9201 fix operator syntax error
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6319 212acab6-be3b-0410-9dea-997c60f758d6
2013-03-24 22:37:00 +00:00

150 lines
4.2 KiB
C++

// tstring.cpp
//
// This file is a part of Unicode NSIS.
//
// Copyright (C) 2007-2009 Jim Park
//
// Licensed under the zlib/libpng license (the "License");
// you may not use this file except in compliance with the License.
//
// This software is provided 'as-is', without any expressed or implied
// warranty.
//
// Provides TSTRING support.
#ifdef _UNICODE
#include "tstring.h"
#include "validateunicode.h"
#include "util.h"
#include <vector>
#include <stdio.h>
FILE* FileOpenUnicodeText(const TCHAR* file, const TCHAR* mode, BOOL* unicode)
{
extern FILE *g_output;
CValidateUnicode::FILE_TYPE ftype = CValidateUnicode::UTF_8; // default file format is UTF-8
if (unicode) *unicode = TRUE;
// If we are reading an existing file, check to see what type of file it
// is first.
if (_tcsstr(mode, _T("w+")) ||
_tcsstr(mode, _T("r")))
{
FILE* fp = _tfopen(file, _T("rb"));
if (fp)
{
MANAGE_WITH(fp, fclose);
fseek(fp, 0, SEEK_END);
size_t fileSize = ftell(fp);
if (fileSize == 0)
{
// Empty files are treated as UTF-8.
ftype = CValidateUnicode::UTF_8;
}
else
{
std::vector<unsigned char> buffer(fileSize);
fseek(fp, 0, SEEK_SET);
fread(&buffer[0], sizeof(unsigned char), fileSize, fp);
ftype = CValidateUnicode::CheckBOM(&buffer[0], buffer.size());
switch (ftype)
{
case CValidateUnicode::UTF_8:
case CValidateUnicode::UTF_16LE:
case CValidateUnicode::UTF_16BE:
break;
case CValidateUnicode::UTF_32LE:
case CValidateUnicode::UTF_32BE:
PrintColorFmtMsg_ERR(_T("File '%s' has a BOM marked as %s which is not supported at this time.\n"),
file, CValidateUnicode::TypeToName(ftype));
exit(-1);
break;
case CValidateUnicode::UNKNOWN:
// If unknown, let's see if it's not just UTF_8 without a BOM.
if (CValidateUnicode::ValidateUTF8(&buffer[0], buffer.size()) == 2)
{
// contains UTF-8 characters sequences
_ftprintf(g_output, _T("File '%s' has no BOM but seems to be UTF-8.\n"), file);
ftype = CValidateUnicode::UTF_8;
}
break;
default:
PrintColorFmtMsg_ERR(_T("CValidateUnicode::CheckBOM() for file '%s' returned an unknown return value: %d\n"),
file, ftype);
exit(-1);
break;
}
}
}
}
tstring strMode(mode);
switch (ftype)
{
case CValidateUnicode::UTF_8:
strMode.append(_T(", ccs=UTF-8"));
break;
case CValidateUnicode::UTF_16LE:
strMode.append(_T(", ccs=UTF-16LE"));
break;
default:
// Looks like fopen() doesn't support other encodings of Unicode.
if (unicode) *unicode = FALSE;
break;
}
return _tfopen(file, strMode.c_str());
}
CtoTString::CtoTString(const char* str)
{
int len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
m_wStr = (wchar_t*) malloc(len*sizeof(wchar_t));
MultiByteToWideChar(CP_ACP, 0, str, -1, m_wStr, len);
}
CtoTString::CtoTString(const char* str, UINT cp)
{
int len = MultiByteToWideChar(cp, 0, str, -1, NULL, 0);
m_wStr = (wchar_t*) malloc(len*sizeof(wchar_t));
MultiByteToWideChar(cp, 0, str, -1, m_wStr, len);
}
CtoTString::CtoTString(const std::string& str)
{
int len = MultiByteToWideChar(CP_ACP, 0, str.c_str(), str.length()+1, NULL, 0);
m_wStr = (wchar_t*) malloc(len*sizeof(wchar_t));
MultiByteToWideChar(CP_ACP, 0, str.c_str(), str.length()+1, m_wStr, len);
}
CtoTString::~CtoTString() { free(m_wStr); m_wStr = 0; }
CtoTString::operator const wchar_t*() const { return GetTStr(); }
inline const wchar_t* CtoTString::GetTStr() const { return m_wStr; }
TtoCString::TtoCString(const wchar_t* wStr)
{
int len = WideCharToMultiByte(CP_ACP, 0, wStr, -1, NULL, 0, 0, 0);
m_cStr = (char*) malloc(len);
WideCharToMultiByte(CP_ACP, 0, wStr, -1, m_cStr, len, 0, 0);
}
TtoCString::TtoCString(const tstring& wStr)
{
int len = WideCharToMultiByte(CP_ACP, 0, wStr.c_str(), wStr.length()+1, NULL, 0, 0, 0);
m_cStr = (char*) malloc(len);
WideCharToMultiByte(CP_ACP, 0, wStr.c_str(), wStr.length()+1, m_cStr, len, 0, 0);
}
TtoCString::~TtoCString() { free(m_cStr); m_cStr = 0; }
TtoCString::operator const char*() const { return m_cStr; }
#endif