epee.string_tools: add conversion between UTF-8 and UTF-16

This commit is contained in:
stoffu 2018-06-25 09:44:07 +09:00
parent 2329d2f4c8
commit 1d176473e9
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GPG key ID: 41DAB8343A9EC012
3 changed files with 63 additions and 26 deletions

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@ -33,6 +33,7 @@
#include <boost/filesystem/operations.hpp>
#ifdef WIN32
#include <windows.h>
#include "string_tools.h"
#endif
// On Windows there is a problem with non-ASCII characters in path and file names
@ -72,11 +73,9 @@ namespace file_io_utils
bool save_string_to_file(const std::string& path_to_file, const std::string& str)
{
#ifdef WIN32
WCHAR wide_path[1000];
int chars = MultiByteToWideChar(CP_UTF8, 0, path_to_file.c_str(), path_to_file.size() + 1, wide_path, 1000);
if (chars == 0)
return false;
HANDLE file_handle = CreateFileW(wide_path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
std::wstring wide_path;
try { wide_path = string_tools::utf8_to_utf16(path_to_file); } catch (...) { return false; }
HANDLE file_handle = CreateFileW(wide_path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (file_handle == INVALID_HANDLE_VALUE)
return false;
DWORD bytes_written;
@ -131,11 +130,9 @@ namespace file_io_utils
bool load_file_to_string(const std::string& path_to_file, std::string& target_str, size_t max_size = 1000000000)
{
#ifdef WIN32
WCHAR wide_path[1000];
int chars = MultiByteToWideChar(CP_UTF8, 0, path_to_file.c_str(), path_to_file.size() + 1, wide_path, 1000);
if (chars == 0)
return false;
HANDLE file_handle = CreateFileW(wide_path, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
std::wstring wide_path;
try { wide_path = string_tools::utf8_to_utf16(path_to_file); } catch (...) { return false; }
HANDLE file_handle = CreateFileW(wide_path.c_str(), GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (file_handle == INVALID_HANDLE_VALUE)
return false;
DWORD file_size = GetFileSize(file_handle, NULL);
@ -202,11 +199,9 @@ namespace file_io_utils
bool get_file_size(const std::string& path_to_file, uint64_t &size)
{
#ifdef WIN32
WCHAR wide_path[1000];
int chars = MultiByteToWideChar(CP_UTF8, 0, path_to_file.c_str(), path_to_file.size() + 1, wide_path, 1000);
if (chars == 0)
return false;
HANDLE file_handle = CreateFileW(wide_path, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
std::wstring wide_path;
try { wide_path = string_tools::utf8_to_utf16(path_to_file); } catch (...) { return false; }
HANDLE file_handle = CreateFileW(wide_path.c_str(), GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (file_handle == INVALID_HANDLE_VALUE)
return false;
LARGE_INTEGER file_size;