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ImGuiFileDialog.cpp
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// This is an independent project of an individual developer. Dear PVS-Studio, please check it.
// PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
/*
MIT License
Copyright (c) 2019-2024 Stephane Cuillerdier (aka aiekick)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "ImGuiFileDialog.h"
#ifdef __cplusplus
#include <cstring> // stricmp / strcasecmp
#include <cstdarg> // variadic
#include <sstream>
#include <iomanip>
#include <ctime>
#include <memory>
#include <sys/stat.h>
#include <cstdio>
#include <cerrno>
// this option need c++17
#ifdef USE_STD_FILESYSTEM
#include <filesystem>
#include <exception>
#endif // USE_STD_FILESYSTEM
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
#endif // __EMSCRIPTEN__
#ifdef _MSC_VER
#define IGFD_DEBUG_BREAK \
if (IsDebuggerPresent()) __debugbreak()
#else
#define IGFD_DEBUG_BREAK
#endif
#if defined(__WIN32__) || defined(WIN32) || defined(_WIN32) || defined(__WIN64__) || defined(WIN64) || defined(_WIN64) || defined(_MSC_VER)
#define _IGFD_WIN_
#define stat _stati64
#define stricmp _stricmp
#include <cctype>
// this option need c++17
#ifdef USE_STD_FILESYSTEM
#include <windows.h>
#else
#include "dirent/dirent.h" // directly open the dirent file attached to this lib
#endif // USE_STD_FILESYSTEM
#define PATH_SEP '\\'
#ifndef PATH_MAX
#define PATH_MAX 260
#endif // PATH_MAX
#elif defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) || defined(__EMSCRIPTEN__)
#define _IGFD_UNIX_
#define stricmp strcasecmp
#include <sys/types.h>
// this option need c++17
#ifndef USE_STD_FILESYSTEM
#include <dirent.h>
#endif // USE_STD_FILESYSTEM
#define PATH_SEP '/'
#endif // _IGFD_UNIX_
#include "imgui.h"
#include "imgui_internal.h"
// legacy compatibility 1.89
#ifndef IM_TRUNC
#define IM_TRUNC IM_FLOOR
#endif
#include <cstdlib>
#include <algorithm>
#include <iostream>
///////////////////////////////
// STB IMAGE LIBS
///////////////////////////////
#ifdef USE_THUMBNAILS
#ifndef DONT_DEFINE_AGAIN__STB_IMAGE_IMPLEMENTATION
#ifndef STB_IMAGE_IMPLEMENTATION
#define STB_IMAGE_IMPLEMENTATION
#endif // STB_IMAGE_IMPLEMENTATION
#endif // DONT_DEFINE_AGAIN__STB_IMAGE_IMPLEMENTATION
#include "stb/stb_image.h"
#ifndef DONT_DEFINE_AGAIN__STB_IMAGE_RESIZE_IMPLEMENTATION
#ifndef STB_IMAGE_RESIZE_IMPLEMENTATION
#define STB_IMAGE_RESIZE_IMPLEMENTATION
#endif // STB_IMAGE_RESIZE_IMPLEMENTATION
#endif // DONT_DEFINE_AGAIN__STB_IMAGE_RESIZE_IMPLEMENTATION
#include "stb/stb_image_resize2.h"
#endif // USE_THUMBNAILS
///////////////////////////////
// FLOAT MACROS
///////////////////////////////
// float comparisons
#ifndef IS_FLOAT_DIFFERENT
#define IS_FLOAT_DIFFERENT(a, b) (fabs((a) - (b)) > FLT_EPSILON)
#endif // IS_FLOAT_DIFFERENT
#ifndef IS_FLOAT_EQUAL
#define IS_FLOAT_EQUAL(a, b) (fabs((a) - (b)) < FLT_EPSILON)
#endif // IS_FLOAT_EQUAL
///////////////////////////////
// COMBOBOX
///////////////////////////////
#ifndef FILTER_COMBO_AUTO_SIZE
#define FILTER_COMBO_AUTO_SIZE 1
#endif // FILTER_COMBO_AUTO_SIZE
#ifndef FILTER_COMBO_MIN_WIDTH
#define FILTER_COMBO_MIN_WIDTH 150.0f
#endif // FILTER_COMBO_MIN_WIDTH
#ifndef IMGUI_BEGIN_COMBO
#define IMGUI_BEGIN_COMBO ImGui::BeginCombo
#endif // IMGUI_BEGIN_COMBO
///////////////////////////////
// BUTTON
///////////////////////////////
// for lets you define your button widget
// if you have like me a special bi-color button
#ifndef IMGUI_PATH_BUTTON
#define IMGUI_PATH_BUTTON ImGui::Button
#endif // IMGUI_PATH_BUTTON
#ifndef IMGUI_BUTTON
#define IMGUI_BUTTON ImGui::Button
#endif // IMGUI_BUTTON
///////////////////////////////
// locales
///////////////////////////////
#ifndef createDirButtonString
#define createDirButtonString "+"
#endif // createDirButtonString
#ifndef okButtonString
#define okButtonString "OK"
#endif // okButtonString
#ifndef okButtonWidth
#define okButtonWidth 0.0f
#endif // okButtonWidth
#ifndef cancelButtonString
#define cancelButtonString "Cancel"
#endif // cancelButtonString
#ifndef cancelButtonWidth
#define cancelButtonWidth 0.0f
#endif // cancelButtonWidth
#ifndef okCancelButtonAlignement
#define okCancelButtonAlignement 0.0f
#endif // okCancelButtonAlignement
#ifndef invertOkAndCancelButtons
// 0 => disabled, 1 => enabled
#define invertOkAndCancelButtons 0
#endif // invertOkAndCancelButtons
#ifndef resetButtonString
#define resetButtonString "R"
#endif // resetButtonString
#ifndef devicesButtonString
#define devicesButtonString "Devices"
#endif // devicesButtonString
#ifndef editPathButtonString
#define editPathButtonString "E"
#endif // editPathButtonString
#ifndef searchString
#define searchString "Search :"
#endif // searchString
#ifndef dirEntryString
#define dirEntryString "[Dir]"
#endif // dirEntryString
#ifndef linkEntryString
#define linkEntryString "[Link]"
#endif // linkEntryString
#ifndef fileEntryString
#define fileEntryString "[File]"
#endif // fileEntryString
#ifndef fileNameString
#define fileNameString "File Name:"
#endif // fileNameString
#ifndef dirNameString
#define dirNameString "Directory Path:"
#endif // dirNameString
#ifndef buttonResetSearchString
#define buttonResetSearchString "Reset search"
#endif // buttonResetSearchString
#ifndef buttonDriveString
#define buttonDriveString "Devices"
#endif // buttonDriveString
#ifndef buttonEditPathString
#define buttonEditPathString "Edit path\nYou can also right click on path buttons"
#endif // buttonEditPathString
#ifndef buttonResetPathString
#define buttonResetPathString "Reset to current directory"
#endif // buttonResetPathString
#ifndef buttonCreateDirString
#define buttonCreateDirString "Create Directory"
#endif // buttonCreateDirString
#ifndef tableHeaderAscendingIcon
#define tableHeaderAscendingIcon "A|"
#endif // tableHeaderAscendingIcon
#ifndef tableHeaderDescendingIcon
#define tableHeaderDescendingIcon "D|"
#endif // tableHeaderDescendingIcon
#ifndef tableHeaderFileNameString
#define tableHeaderFileNameString "File name"
#endif // tableHeaderFileNameString
#ifndef tableHeaderFileTypeString
#define tableHeaderFileTypeString "Type"
#endif // tableHeaderFileTypeString
#ifndef tableHeaderFileSizeString
#define tableHeaderFileSizeString "Size"
#endif // tableHeaderFileSizeString
#ifndef tableHeaderFileDateString
#define tableHeaderFileDateString "Date"
#endif // tableHeaderFileDateString
#ifndef fileSizeBytes
#define fileSizeBytes "o"
#endif // fileSizeBytes
#ifndef fileSizeKiloBytes
#define fileSizeKiloBytes "Ko"
#endif // fileSizeKiloBytes
#ifndef fileSizeMegaBytes
#define fileSizeMegaBytes "Mo"
#endif // fileSizeMegaBytes
#ifndef fileSizeGigaBytes
#define fileSizeGigaBytes "Go"
#endif // fileSizeGigaBytes
#ifndef OverWriteDialogTitleString
#define OverWriteDialogTitleString "The selected file already exists!"
#endif // OverWriteDialogTitleString
#ifndef OverWriteDialogMessageString
#define OverWriteDialogMessageString "Are you sure you want to overwrite it?"
#endif // OverWriteDialogMessageString
#ifndef OverWriteDialogConfirmButtonString
#define OverWriteDialogConfirmButtonString "Confirm"
#endif // OverWriteDialogConfirmButtonString
#ifndef OverWriteDialogCancelButtonString
#define OverWriteDialogCancelButtonString "Cancel"
#endif // OverWriteDialogCancelButtonString
#ifndef DateTimeFormat
// see strftime functionin <ctime> for customize
#define DateTimeFormat "%Y/%m/%d %H:%M"
#endif // DateTimeFormat
///////////////////////////////
//// SHORTCUTS => ctrl + KEY
///////////////////////////////
#ifndef SelectAllFilesKey
#define SelectAllFilesKey ImGuiKey_A
#endif // SelectAllFilesKey
///////////////////////////////
// THUMBNAILS
///////////////////////////////
#ifdef USE_THUMBNAILS
#ifndef tableHeaderFileThumbnailsString
#define tableHeaderFileThumbnailsString "Thumbnails"
#endif // tableHeaderFileThumbnailsString
#ifndef DisplayMode_FilesList_ButtonString
#define DisplayMode_FilesList_ButtonString "FL"
#endif // DisplayMode_FilesList_ButtonString
#ifndef DisplayMode_FilesList_ButtonHelp
#define DisplayMode_FilesList_ButtonHelp "File List"
#endif // DisplayMode_FilesList_ButtonHelp
#ifndef DisplayMode_ThumbailsList_ButtonString
#define DisplayMode_ThumbailsList_ButtonString "TL"
#endif // DisplayMode_ThumbailsList_ButtonString
#ifndef DisplayMode_ThumbailsList_ButtonHelp
#define DisplayMode_ThumbailsList_ButtonHelp "Thumbnails List"
#endif // DisplayMode_ThumbailsList_ButtonHelp
#ifndef DisplayMode_ThumbailsGrid_ButtonString
#define DisplayMode_ThumbailsGrid_ButtonString "TG"
#endif // DisplayMode_ThumbailsGrid_ButtonString
#ifndef DisplayMode_ThumbailsGrid_ButtonHelp
#define DisplayMode_ThumbailsGrid_ButtonHelp "Thumbnails Grid"
#endif // DisplayMode_ThumbailsGrid_ButtonHelp
#ifndef DisplayMode_ThumbailsList_ImageHeight
#define DisplayMode_ThumbailsList_ImageHeight 32.0f
#endif // DisplayMode_ThumbailsList_ImageHeight
#ifndef IMGUI_RADIO_BUTTON
inline bool inRadioButton(const char* vLabel, bool vToggled) {
bool pressed = false;
if (vToggled) {
ImVec4 bua = ImGui::GetStyleColorVec4(ImGuiCol_ButtonActive);
ImVec4 te = ImGui::GetStyleColorVec4(ImGuiCol_Text);
ImGui::PushStyleColor(ImGuiCol_Button, te);
ImGui::PushStyleColor(ImGuiCol_ButtonActive, te);
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, te);
ImGui::PushStyleColor(ImGuiCol_Text, bua);
}
pressed = IMGUI_BUTTON(vLabel);
if (vToggled) {
ImGui::PopStyleColor(4); //-V112
}
return pressed;
}
#define IMGUI_RADIO_BUTTON inRadioButton
#endif // IMGUI_RADIO_BUTTON
#endif // USE_THUMBNAILS
///////////////////////////////
// PLACES
///////////////////////////////
#ifdef USE_PLACES_FEATURE
#ifndef defaultPlacePaneWith
#define defaultPlacePaneWith 150.0f
#endif // defaultPlacePaneWith
#ifndef placesButtonString
#define placesButtonString "Places"
#endif // placesButtonString
#ifndef placesButtonHelpString
#define placesButtonHelpString "Places"
#endif // placesButtonHelpString
#ifndef placesBookmarksGroupName
#define placesBookmarksGroupName "Bookmarks"
#endif // placesBookmarksGroupName
#ifndef PLACES_BOOKMARK_DEFAULT_OPEPEND
#define PLACES_BOOKMARK_DEFAULT_OPEPEND true
#endif // PLACES_BOOKMARK_DEFAULT_OPEPEND
#ifndef PLACES_DEVICES_DEFAULT_OPEPEND
#define PLACES_DEVICES_DEFAULT_OPEPEND true
#endif // PLACES_DEVICES_DEFAULT_OPEPEND
#ifndef placesBookmarksDisplayOrder
#define placesBookmarksDisplayOrder 0
#endif // placesBookmarksDisplayOrder
#ifndef placesDevicesGroupName
#define placesDevicesGroupName "Devices"
#endif // placesDevicesGroupName
#ifndef placesDevicesDisplayOrder
#define placesDevicesDisplayOrder 10
#endif // placesDevicesDisplayOrder
#ifndef addPlaceButtonString
#define addPlaceButtonString "+"
#endif // addPlaceButtonString
#ifndef removePlaceButtonString
#define removePlaceButtonString "-"
#endif // removePlaceButtonString
#ifndef validatePlaceButtonString
#define validatePlaceButtonString "ok"
#endif // validatePlaceButtonString
#ifndef editPlaceButtonString
#define editPlaceButtonString "E"
#endif // editPlaceButtonString
#ifndef PLACES_PANE_DEFAULT_SHOWN
#define PLACES_PANE_DEFAULT_SHOWN false
#endif // PLACES_PANE_DEFAULT_SHOWN
#ifndef IMGUI_TOGGLE_BUTTON
inline bool inToggleButton(const char* vLabel, bool* vToggled) {
bool pressed = false;
if (vToggled && *vToggled) {
ImVec4 bua = ImGui::GetStyleColorVec4(ImGuiCol_ButtonActive);
// ImVec4 buh = ImGui::GetStyleColorVec4(ImGuiCol_ButtonHovered);
// ImVec4 bu = ImGui::GetStyleColorVec4(ImGuiCol_Button);
ImVec4 te = ImGui::GetStyleColorVec4(ImGuiCol_Text);
ImGui::PushStyleColor(ImGuiCol_Button, te);
ImGui::PushStyleColor(ImGuiCol_ButtonActive, te);
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, te);
ImGui::PushStyleColor(ImGuiCol_Text, bua);
}
pressed = IMGUI_BUTTON(vLabel);
if (vToggled && *vToggled) {
ImGui::PopStyleColor(4); //-V112
}
if (vToggled && pressed) *vToggled = !*vToggled;
return pressed;
}
#define IMGUI_TOGGLE_BUTTON inToggleButton
#endif // IMGUI_TOGGLE_BUTTON
#endif // USE_PLACES_FEATURE
class IGFDException : public std::exception {
private:
char const* m_msg{};
public:
IGFDException() : std::exception() {}
explicit IGFDException(char const* const vMsg) :
std::exception(), // std::exception(msg) is not availaiable on linux it seems... but on windos yes
m_msg(vMsg) {
}
char const* what() const noexcept override {
return m_msg;
}
};
#ifndef CUSTOM_FILESYSTEM_INCLUDE
#ifdef USE_STD_FILESYSTEM
static std::filesystem::path stringToPath(const std::string& str)
{
#ifdef _IGFD_WIN_
return std::filesystem::path(IGFD::Utils::UTF8Decode(str));
#else
return std::filesystem::path(str);
#endif
}
static std::string pathToString(const std::filesystem::path& path)
{
#ifdef _IGFD_WIN_
return IGFD::Utils::UTF8Encode(path.wstring());
#else
return path.string();
#endif
}
class FileSystemStd : public IGFD::IFileSystem {
public:
bool IsDirectoryCanBeOpened(const std::string& vName) override {
bool bExists = false;
if (!vName.empty()) {
namespace fs = std::filesystem;
auto pathName = stringToPath(vName);
try {
// interesting, in the case of a protected dir or for any reason the dir cant be opened
// this func will work but will say nothing more . not like the dirent version
bExists = fs::is_directory(pathName);
// test if can be opened, this function can thrown an exception if there is an issue with this dir
// here, the dir_iter is need else not exception is thrown..
const auto dir_iter = fs::directory_iterator(pathName);
(void)dir_iter; // for avoid unused warnings
} catch (const std::exception& /*ex*/) {
// fail so this dir cant be opened
bExists = false;
}
}
return bExists; // this is not a directory!
}
bool IsDirectoryExist(const std::string& vName) override {
if (!vName.empty()) {
namespace fs = std::filesystem;
return fs::is_directory(stringToPath(vName));
}
return false; // this is not a directory!
}
bool IsFileExist(const std::string& vName) override {
namespace fs = std::filesystem;
return fs::is_regular_file(stringToPath(vName));
}
bool CreateDirectoryIfNotExist(const std::string& vName) override {
if (vName.empty()) return false;
if (IsDirectoryExist(vName)) return true;
#if defined(__EMSCRIPTEN__)
std::string str = std::string("FS.mkdir('") + vName + "');";
emscripten_run_script(str.c_str());
bool res = true;
#else
namespace fs = std::filesystem;
bool res = fs::create_directory(stringToPath(vName));
#endif // _IGFD_WIN_
if (!res) {
std::cout << "Error creating directory " << vName << std::endl;
}
return res;
}
std::vector<IGFD::PathDisplayedName> GetDevicesList() override {
std::vector<IGFD::PathDisplayedName> res;
#ifdef _IGFD_WIN_
const DWORD mydevices = 2048;
char lpBuffer[2048];
#define mini(a, b) (((a) < (b)) ? (a) : (b))
const DWORD countChars = mini(GetLogicalDriveStringsA(mydevices, lpBuffer), 2047);
#undef mini
if (countChars > 0U && countChars < 2049U) {
std::string var = std::string(lpBuffer, (size_t)countChars);
IGFD::Utils::ReplaceString(var, "\\", "");
auto arr = IGFD::Utils::SplitStringToVector(var, '\0', false);
wchar_t szVolumeName[2048];
IGFD::PathDisplayedName path_name;
for (auto& a : arr) {
path_name.first = a;
path_name.second.clear();
std::wstring wpath = IGFD::Utils::UTF8Decode(a);
if (GetVolumeInformationW(wpath.c_str(), szVolumeName, 2048, nullptr, nullptr, nullptr, nullptr, 0)) {
path_name.second = IGFD::Utils::UTF8Encode(szVolumeName);
}
res.push_back(path_name);
}
}
#endif // _IGFD_WIN_
return res;
}
IGFD::Utils::PathStruct ParsePathFileName(const std::string& vPathFileName) override {
// https://github.com/aiekick/ImGuiFileDialog/issues/54
namespace fs = std::filesystem;
IGFD::Utils::PathStruct res;
if (vPathFileName.empty()) return res;
auto fsPath = stringToPath(vPathFileName);
if (fs::is_directory(fsPath)) {
res.name = "";
res.path = pathToString(fsPath);
res.isOk = true;
} else if (fs::is_regular_file(fsPath)) {
res.name = pathToString(fsPath.filename());
res.path = pathToString(fsPath.parent_path());
res.isOk = true;
}
return res;
}
std::vector<IGFD::FileInfos> ScanDirectory(const std::string& vPath) override {
std::vector<IGFD::FileInfos> res;
try {
namespace fs = std::filesystem;
auto fspath = stringToPath(vPath);
const auto dir_iter = fs::directory_iterator(fspath);
IGFD::FileType fstype = IGFD::FileType(IGFD::FileType::ContentType::Directory, fs::is_symlink(fs::status(fspath)));
{
IGFD::FileInfos file_two_dot;
file_two_dot.filePath = vPath;
file_two_dot.fileNameExt = "..";
file_two_dot.fileType = fstype;
res.push_back(file_two_dot);
}
for (const auto& file : dir_iter) {
try {
IGFD::FileType fileType;
if (file.is_symlink()) {
fileType.SetSymLink(file.is_symlink());
fileType.SetContent(IGFD::FileType::ContentType::LinkToUnknown);
}
if (file.is_directory()) {
fileType.SetContent(IGFD::FileType::ContentType::Directory);
} // directory or symlink to directory
else if (file.is_regular_file()) {
fileType.SetContent(IGFD::FileType::ContentType::File);
}
if (fileType.isValid()) {
auto fileNameExt = pathToString(file.path().filename());
{
IGFD::FileInfos _file;
_file.filePath = vPath;
_file.fileNameExt = fileNameExt;
_file.fileType = fileType;
res.push_back(_file);
}
}
} catch (const std::exception& ex) {
std::cout << "IGFD : " << ex.what() << std::endl;
}
}
} catch (const std::exception& ex) {
std::cout << "IGFD : " << ex.what() << std::endl;
}
return res;
}
bool IsDirectory(const std::string& vFilePathName) override {
namespace fs = std::filesystem;
return fs::is_directory(stringToPath(vFilePathName));
}
};
#define FILE_SYSTEM_OVERRIDE FileSystemStd
#else
class FileSystemDirent : public IGFD::IFileSystem {
public:
bool IsDirectoryCanBeOpened(const std::string& vName) override {
if (!vName.empty()) {
DIR* pDir = nullptr;
// interesting, in the case of a protected dir or for any reason the dir cant be opened
// this func will fail
pDir = opendir(vName.c_str());
if (pDir != nullptr) {
(void)closedir(pDir);
return true;
}
}
return false;
}
bool IsDirectoryExist(const std::string& vName) override {
bool bExists = false;
if (!vName.empty()) {
DIR* pDir = nullptr;
pDir = opendir(vName.c_str());
if (pDir) {
bExists = true;
closedir(pDir);
} else if (ENOENT == errno) {
/* Directory does not exist. */
// bExists = false;
} else {
/* opendir() failed for some other reason.
like if a dir is protected, or not accessable with user right
*/
bExists = true;
}
}
return bExists;
}
bool IsFileExist(const std::string& vName) override {
std::ifstream docFile(vName, std::ios::in);
if (docFile.is_open()) {
docFile.close();
return true;
}
return false;
}
bool CreateDirectoryIfNotExist(const std::string& vName) override {
bool res = false;
if (!vName.empty()) {
if (!IsDirectoryExist(vName)) {
#ifdef _IGFD_WIN_
std::wstring wname = IGFD::Utils::UTF8Decode(vName);
if (CreateDirectoryW(wname.c_str(), nullptr)) {
res = true;
}
#elif defined(__EMSCRIPTEN__) // _IGFD_WIN_
std::string str = std::string("FS.mkdir('") + vName + "');";
emscripten_run_script(str.c_str());
res = true;
#elif defined(_IGFD_UNIX_)
char buffer[PATH_MAX] = {};
snprintf(buffer, PATH_MAX, "mkdir -p \"%s\"", vName.c_str());
const int dir_err = std::system(buffer);
if (dir_err != -1) {
res = true;
}
#endif // _IGFD_WIN_
if (!res) {
std::cout << "Error creating directory " << vName << std::endl;
}
}
}
return res;
}
std::vector<IGFD::PathDisplayedName> GetDevicesList() override {
std::vector<IGFD::PathDisplayedName> res;
#ifdef _IGFD_WIN_
const DWORD mydevices = 2048;
char lpBuffer[2048];
#define mini(a, b) (((a) < (b)) ? (a) : (b))
const DWORD countChars = mini(GetLogicalDriveStringsA(mydevices, lpBuffer), 2047);
#undef mini
if (countChars > 0U && countChars < 2049U) {
std::string var = std::string(lpBuffer, (size_t)countChars);
IGFD::Utils::ReplaceString(var, "\\", "");
auto arr = IGFD::Utils::SplitStringToVector(var, '\0', false);
wchar_t szVolumeName[2048];
IGFD::PathDisplayedName path_name;
for (auto& a : arr) {
path_name.first = a;
path_name.second.clear();
std::wstring wpath = IGFD::Utils::UTF8Decode(a);
if (GetVolumeInformationW(wpath.c_str(), szVolumeName, 2048, nullptr, nullptr, nullptr, nullptr, 0)) {
path_name.second = IGFD::Utils::UTF8Encode(szVolumeName);
}
res.push_back(path_name);
}
}
#endif // _IGFD_WIN_
return res;
}
IGFD::Utils::PathStruct ParsePathFileName(const std::string& vPathFileName) override {
IGFD::Utils::PathStruct res;
if (!vPathFileName.empty()) {
std::string pfn = vPathFileName;
std::string separator(1u, PATH_SEP);
IGFD::Utils::ReplaceString(pfn, "\\", separator);
IGFD::Utils::ReplaceString(pfn, "/", separator);
size_t lastSlash = pfn.find_last_of(separator);
if (lastSlash != std::string::npos) {
res.name = pfn.substr(lastSlash + 1);
res.path = pfn.substr(0, lastSlash);
res.isOk = true;
}
size_t lastPoint = pfn.find_last_of('.');
if (lastPoint != std::string::npos) {
if (!res.isOk) {
res.name = pfn;
res.isOk = true;
}
res.ext = pfn.substr(lastPoint + 1);
IGFD::Utils::ReplaceString(res.name, "." + res.ext, "");
}
if (!res.isOk) {
res.name = std::move(pfn);
res.isOk = true;
}
}
return res;
}
std::vector<IGFD::FileInfos> ScanDirectory(const std::string& vPath) override {
std::vector<IGFD::FileInfos> res;
struct dirent** files = nullptr;
size_t n = scandir(vPath.c_str(), &files, nullptr, //
[](const struct dirent** a, const struct dirent** b) { //
return strcoll((*a)->d_name, (*b)->d_name);
});
if (n && files) {
for (size_t i = 0; i < n; ++i) {
struct dirent* ent = files[i];
IGFD::FileType fileType;
switch (ent->d_type) {
case DT_DIR: fileType.SetContent(IGFD::FileType::ContentType::Directory); break;
case DT_REG: fileType.SetContent(IGFD::FileType::ContentType::File); break;
#if defined(_IGFD_UNIX_) || (DT_LNK != DT_UNKNOWN)
case DT_LNK:
#endif
case DT_UNKNOWN: {
struct stat sb = {};
#ifdef _IGFD_WIN_
auto filePath = vPath + ent->d_name;
#else
auto filePath = vPath + IGFD::Utils::GetPathSeparator() + ent->d_name;
#endif
if (!stat(filePath.c_str(), &sb)) {
if (sb.st_mode & S_IFLNK) {
fileType.SetSymLink(true);
// by default if we can't figure out the target type.
fileType.SetContent(IGFD::FileType::ContentType::LinkToUnknown);
}
if (sb.st_mode & S_IFREG) {
fileType.SetContent(IGFD::FileType::ContentType::File);
break;
} else if (sb.st_mode & S_IFDIR) {
fileType.SetContent(IGFD::FileType::ContentType::Directory);
break;
}
}
break;
}
default: break; // leave it invalid (devices, etc.)
}
if (fileType.isValid()) {
IGFD::FileInfos _file;
_file.filePath = vPath;
_file.fileNameExt = ent->d_name;
_file.fileType = fileType;
res.push_back(_file);
}
}
for (size_t i = 0; i < n; ++i) {
free(files[i]);
}
free(files);
}
return res;
}
bool IsDirectory(const std::string& vFilePathName) override {
DIR *pDir = opendir(vFilePathName.c_str());
if (pDir) {
(void)closedir(pDir);
return true;
}
return false;
}
};
#define FILE_SYSTEM_OVERRIDE FileSystemDirent
#endif // USE_STD_FILESYSTEM
#else
#include CUSTOM_FILESYSTEM_INCLUDE
#endif // USE_CUSTOM_FILESYSTEM
// https://github.com/ocornut/imgui/issues/1720
bool IGFD::Utils::ImSplitter(bool split_vertically, float thickness, float* size1, float* size2, float min_size1, float min_size2, float splitter_long_axis_size) {
auto* window = ImGui::GetCurrentWindow();
ImGuiID id = window->GetID("##Splitter");
ImRect bb;
bb.Min = window->DC.CursorPos + (split_vertically ? ImVec2(*size1, 0.0f) : ImVec2(0.0f, *size1));
bb.Max = bb.Min + ImGui::CalcItemSize(split_vertically ? ImVec2(thickness, splitter_long_axis_size) : ImVec2(splitter_long_axis_size, thickness), 0.0f, 0.0f);
return ImGui::SplitterBehavior(bb, id, split_vertically ? ImGuiAxis_X : ImGuiAxis_Y, size1, size2, min_size1, min_size2, 1.0f, 0.0, ImGui::GetColorU32(ImGuiCol_FrameBg));
}
// Convert a wide Unicode string to an UTF8 string
std::string IGFD::Utils::UTF8Encode(const std::wstring& wstr) {
std::string res;
#ifdef _IGFD_WIN_
if (!wstr.empty()) {
int size_needed = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), nullptr, 0, nullptr, nullptr);
if (size_needed) {
res = std::string(size_needed, 0);
WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), &res[0], size_needed, nullptr, nullptr);
}
}
#else
// Suppress warnings from the compiler.
(void)wstr;
#endif // _IGFD_WIN_
return res;
}
// Convert an UTF8 string to a wide Unicode String
std::wstring IGFD::Utils::UTF8Decode(const std::string& str) {
std::wstring res;
#ifdef _IGFD_WIN_
if (!str.empty()) {
int size_needed = MultiByteToWideChar(CP_UTF8, 0, &str[0], (int)str.size(), nullptr, 0);
if (size_needed) {
res = std::wstring(size_needed, 0);
MultiByteToWideChar(CP_UTF8, 0, &str[0], (int)str.size(), &res[0], size_needed);
}
}
#else
// Suppress warnings from the compiler.
(void)str;
#endif // _IGFD_WIN_
return res;
}
bool IGFD::Utils::ReplaceString(std::string& str, const ::std::string& oldStr, const ::std::string& newStr, const size_t& vMaxRecursion) {
if (!str.empty() && oldStr != newStr) {
bool res = false;
size_t pos = 0;
bool found = false;
size_t max_recursion = vMaxRecursion;
do {
pos = str.find(oldStr, pos);
if (pos != std::string::npos) {
found = res = true;
str.replace(pos, oldStr.length(), newStr);
pos += newStr.length();
} else if (found && max_recursion > 0) { // recursion loop
found = false;
pos = 0;
--max_recursion;
}
} while (pos != std::string::npos);
return res;
}
return false;
}
std::vector<std::string> IGFD::Utils::SplitStringToVector(const std::string& vText, const std::string& vDelimiterPattern, const bool& vPushEmpty) {
std::vector<std::string> arr;
if (!vText.empty()) {
size_t start = 0;
size_t end = vText.find(vDelimiterPattern, start);
while (end != std::string::npos) {
auto token = vText.substr(start, end - start);
if (!token.empty() || (token.empty() && vPushEmpty)) { //-V728
arr.push_back(token);
}
start = end + vDelimiterPattern.size();
end = vText.find(vDelimiterPattern, start);
}
auto token = vText.substr(start);
if (!token.empty() || (token.empty() && vPushEmpty)) { //-V728
arr.push_back(token);
}
}
return arr;
}
std::vector<std::string> IGFD::Utils::SplitStringToVector(const std::string& vText, const char& vDelimiter, const bool& vPushEmpty) {
std::vector<std::string> arr;
if (!vText.empty()) {
size_t start = 0;
size_t end = vText.find(vDelimiter, start);
while (end != std::string::npos) {
auto token = vText.substr(start, end - start);
if (!token.empty() || (token.empty() && vPushEmpty)) { //-V728
arr.push_back(token);
}
start = end + 1;
end = vText.find(vDelimiter, start);
}
auto token = vText.substr(start);
if (!token.empty() || (token.empty() && vPushEmpty)) { //-V728
arr.push_back(token);
}
}
return arr;
}
void IGFD::Utils::AppendToBuffer(char* vBuffer, size_t vBufferLen, const std::string& vStr) {
std::string st = vStr;
size_t len = vBufferLen - 1u;
size_t slen = strlen(vBuffer);
if (!st.empty() && st != "\n") {
IGFD::Utils::ReplaceString(st, "\n", "");
IGFD::Utils::ReplaceString(st, "\r", "");
}
vBuffer[slen] = '\0';
std::string str = std::string(vBuffer);
// if (!str.empty()) str += "\n";
str += vStr;
if (len > str.size()) {
len = str.size();
}
#ifdef _MSC_VER
strncpy_s(vBuffer, vBufferLen, str.c_str(), len);
#else // _MSC_VER
strncpy(vBuffer, str.c_str(), len);
#endif // _MSC_VER
vBuffer[len] = '\0';
}
void IGFD::Utils::ResetBuffer(char* vBuffer) {
vBuffer[0] = '\0';
}
void IGFD::Utils::SetBuffer(char* vBuffer, size_t vBufferLen, const std::string& vStr) {
ResetBuffer(vBuffer);
AppendToBuffer(vBuffer, vBufferLen, vStr);
}
std::string IGFD::Utils::LowerCaseString(const std::string& vString) {
auto str = vString;
// convert to lower case
for (char& c : str) {
c = (char)std::tolower(c);
}
return str;
}
size_t IGFD::Utils::GetCharCountInString(const std::string& vString, const char& vChar) {
size_t res = 0U;
for (const auto& c : vString) {
if (c == vChar) {
++res;
}
}
return res;
}
size_t IGFD::Utils::GetLastCharPosWithMinCharCount(const std::string& vString, const char& vChar, const size_t& vMinCharCount) {
if (vMinCharCount) {
size_t last_dot_pos = vString.size() + 1U;
size_t count_dots = vMinCharCount;
while (count_dots > 0U && last_dot_pos > 0U && last_dot_pos != std::string::npos) {
auto new_dot = vString.rfind(vChar, last_dot_pos - 1U);
if (new_dot != std::string::npos) {
last_dot_pos = new_dot;
--count_dots;
} else {
break;
}
}
return last_dot_pos;
}
return std::string::npos;
}
std::string IGFD::Utils::GetPathSeparator() {
return std::string(1U, PATH_SEP);
}
std::string IGFD::Utils::RoundNumber(double vvalue, int n) {
std::stringstream tmp;
tmp << std::setprecision(n) << std::fixed << vvalue;
return tmp.str();
}
std::string IGFD::Utils::FormatFileSize(size_t vByteSize) {
if (vByteSize != 0) {
static double lo = 1024.0;
static double ko = 1024.0 * 1024.0;
static double mo = 1024.0 * 1024.0 * 1024.0;
const auto v = static_cast<double>(vByteSize);
if (v < lo)
return RoundNumber(v, 0) + " " + fileSizeBytes; // octet
else if (v < ko)
return RoundNumber(v / lo, 2) + " " + fileSizeKiloBytes; // ko
else if (v < mo)
return RoundNumber(v / ko, 2) + " " + fileSizeMegaBytes; // Mo
else