Textractor_test/GUI/host/util.cpp
2018-12-18 16:55:07 -05:00

57 lines
1.6 KiB
C++

#include "util.h"
#include "types.h"
#include <Psapi.h>
namespace Util
{
std::optional<std::wstring> GetModuleFileName(DWORD processId, HMODULE module)
{
if (AutoHandle<> process = OpenProcess(PROCESS_VM_READ | PROCESS_QUERY_INFORMATION, FALSE, processId))
{
std::vector<wchar_t> buffer(MAX_PATH);
if (GetModuleFileNameExW(process, module, buffer.data(), MAX_PATH)) return buffer.data();
else return {};
}
return {};
}
std::optional<std::wstring> GetModuleFileName(HMODULE module)
{
std::vector<wchar_t> buffer(MAX_PATH);
if (::GetModuleFileNameW(module, buffer.data(), MAX_PATH)) return buffer.data();
else return {};
}
std::optional<std::wstring> GetClipboardText()
{
if (!IsClipboardFormatAvailable(CF_UNICODETEXT)) return {};
if (!OpenClipboard(NULL)) return {};
if (HANDLE clipboard = GetClipboardData(CF_UNICODETEXT))
{
std::wstring ret = (wchar_t*)GlobalLock(clipboard);
GlobalUnlock(clipboard);
CloseClipboard();
return ret;
}
CloseClipboard();
return {};
}
std::optional<std::wstring> StringToWideString(std::string text, UINT encoding)
{
std::vector<wchar_t> buffer(text.size() + 1);
if (MultiByteToWideChar(encoding, 0, text.c_str(), -1, buffer.data(), buffer.size())) return buffer.data();
else return {};
}
bool RemoveRepetition(std::wstring& text)
{
wchar_t* end = text.data() + text.size();
for (int len = text.size() / 3; len > 6; --len)
if (wcsncmp(end - len * 3, end - len * 2, len) == 0 && wcsncmp(end - len * 3, end - len * 1, len) == 0)
return true | RemoveRepetition(text = end - len);
return false;
}
}