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/*
Copyright (C) 2012 Sebastian Herbord. All rights reserved.
This file is part of Mod Organizer.
Mod Organizer 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.
Mod Organizer 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 Mod Organizer. If not, see <http://www.gnu.org/licenses/>.
*/
#include "util.h"
#include "windows_error.h"
#include "error_report.h"
#include <sstream>
#include <algorithm>
#include <DbgHelp.h>
#include <set>
namespace MOShared {
bool FileExists(const std::string &filename)
{
WIN32_FIND_DATAA findData;
ZeroMemory(&findData, sizeof(WIN32_FIND_DATAA));
HANDLE search = ::FindFirstFileExA(filename.c_str(), FindExInfoStandard, &findData, FindExSearchNameMatch, NULL, 0);
if (search == INVALID_HANDLE_VALUE) {
return false;
} else {
FindClose(search);
return true;
}
}
bool FileExists(const std::wstring &filename)
{
WIN32_FIND_DATAW findData;
ZeroMemory(&findData, sizeof(WIN32_FIND_DATAW));
HANDLE search = ::FindFirstFileExW(filename.c_str(), FindExInfoStandard, &findData, FindExSearchNameMatch, NULL, 0);
if (search == INVALID_HANDLE_VALUE) {
return false;
} else {
FindClose(search);
return true;
}
}
bool FileExists(const std::wstring &searchPath, const std::wstring &filename)
{
std::wstringstream stream;
stream << searchPath << "\\" << filename;
return FileExists(stream.str());
}
std::string ToString(const std::wstring &source, bool utf8)
{
char buffer[MAX_PATH];
if (utf8) {
::WideCharToMultiByte(CP_UTF8, 0, source.c_str(), -1, buffer, MAX_PATH, NULL, NULL);
} else {
::WideCharToMultiByte(GetACP(), 0, source.c_str(), -1, buffer, MAX_PATH, NULL, NULL);
}
return std::string(buffer);
}
std::wstring ToWString(const std::string &source, bool utf8)
{
wchar_t buffer[MAX_PATH];
if (utf8) {
::MultiByteToWideChar(CP_UTF8, 0, source.c_str(), -1, buffer, MAX_PATH);
} else {
::MultiByteToWideChar(GetACP(), 0, source.c_str(), -1, buffer, MAX_PATH);
}
return std::wstring(buffer);
}
std::string &ToLower(std::string &text)
{
std::transform(text.begin(), text.end(), text.begin(), ::tolower);
return text;
}
std::string ToLower(const std::string &text)
{
std::string result = text;
std::transform(result.begin(), result.end(), result.begin(), ::tolower);
return result;
}
std::wstring &ToLower(std::wstring &text)
{
std::transform(text.begin(), text.end(), text.begin(), ::towlower);
return text;
}
std::wstring ToLower(const std::wstring &text)
{
std::wstring result = text;
std::transform(result.begin(), result.end(), result.begin(), ::towlower);
return result;
}
VS_FIXEDFILEINFO GetFileVersion(const std::wstring &fileName)
{
DWORD size = ::GetFileVersionInfoSizeW(fileName.c_str(), NULL);
if (size == 0) {
throw windows_error("failed to determine file version info size");
}
void *buffer = new char[size];
try {
if (!::GetFileVersionInfoW(fileName.c_str(), 0UL, size, buffer)) {
throw windows_error("failed to determine file version info");
}
void *versionInfoPtr = NULL;
UINT versionInfoLength = 0;
if (!::VerQueryValue(buffer, L"\\", &versionInfoPtr, &versionInfoLength)) {
throw windows_error("failed to determine file version");
}
VS_FIXEDFILEINFO result = *(VS_FIXEDFILEINFO*)versionInfoPtr;
delete [] buffer;
return result;
} catch (...) {
delete [] buffer;
throw;
}
}
std::string GetStack()
{
#ifdef _DEBUG
HANDLE process = ::GetCurrentProcess();
static std::set<DWORD> initialized;
if (initialized.find(::GetCurrentProcessId()) == initialized.end()) {
static bool firstCall = true;
if (firstCall) {
::SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS);
firstCall = false;
}
if (!::SymInitialize(process, NULL, TRUE)) {
log("failed to initialize symbols: %d", ::GetLastError());
}
initialized.insert(::GetCurrentProcessId());
}
LPVOID stack[32];
WORD frames = ::CaptureStackBackTrace(0, 100, stack, NULL);
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR)];
PSYMBOL_INFO symbol = (PSYMBOL_INFO)buffer;
symbol->SizeOfStruct = sizeof(SYMBOL_INFO);
symbol->MaxNameLen = MAX_SYM_NAME;
std::ostringstream stackStream;
for(unsigned int i = 0; i < frames; ++i) {
DWORD64 addr = (DWORD64)stack[i];
DWORD64 displacement = 0;
if (!::SymFromAddr(::GetCurrentProcess(), addr, &displacement, symbol)) {
stackStream << frames - i - 1 << ": " << stack[i] << " - " << ::GetLastError() << " (error)\n";
} else {
stackStream << frames - i - 1 << ": " << symbol->Name << "\n";
}
}
return stackStream.str();
#else
return "";
#endif
}
} // namespace MOShared
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