mirror of https://github.com/OpenRCT2/OpenRCT2.git
265 lines
7.5 KiB
C++
265 lines
7.5 KiB
C++
/*****************************************************************************
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* Copyright (c) 2014-2018 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#include <algorithm>
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#ifndef _WIN32
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# include <dirent.h>
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#endif
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#include "../localisation/Language.h"
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#include "../platform/platform.h"
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#include "../util/Util.h"
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#include "File.h"
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#include "Math.hpp"
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#include "Memory.hpp"
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#include "Path.hpp"
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#include "String.hpp"
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#include "Util.hpp"
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namespace Path
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{
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utf8* Append(utf8* buffer, size_t bufferSize, const utf8* src)
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{
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return safe_strcat_path(buffer, src, bufferSize);
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}
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std::string Combine(const std::string& a, const std::string& b)
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{
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utf8 buffer[MAX_PATH];
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String::Set(buffer, sizeof(buffer), a.c_str());
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Path::Append(buffer, sizeof(buffer), b.c_str());
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return std::string(buffer);
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}
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std::string GetDirectory(const std::string& path)
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{
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const utf8* directory = GetDirectory(path.c_str());
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std::string result(directory);
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Memory::Free(directory);
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return result;
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}
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utf8* GetDirectory(const utf8* path)
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{
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size_t maxSize = String::SizeOf(path) + 1;
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utf8* result = Memory::Allocate<utf8>(maxSize);
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GetDirectory(result, maxSize, path);
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size_t reducedSize = String::SizeOf(path) + 1;
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result = Memory::Reallocate(result, reducedSize);
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return result;
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}
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utf8* GetDirectory(utf8* buffer, size_t bufferSize, const utf8* path)
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{
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auto lastPathSepIndex = std::max(String::LastIndexOf(path, *PATH_SEPARATOR), String::LastIndexOf(path, '/'));
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if (lastPathSepIndex < 0)
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{
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return String::Set(buffer, bufferSize, String::Empty);
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}
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size_t copyLength = std::min(lastPathSepIndex, static_cast<ptrdiff_t>(bufferSize - 1));
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std::copy_n(path, copyLength, buffer);
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buffer[copyLength] = '\0';
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return buffer;
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}
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void CreateDirectory(const std::string& path)
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{
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platform_ensure_directory_exists(path.c_str());
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}
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bool DirectoryExists(const std::string& path)
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{
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return platform_directory_exists(path.c_str());
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}
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std::string GetFileName(const std::string& path)
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{
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return GetFileName(path.c_str());
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}
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const utf8* GetFileName(const utf8* path)
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{
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const utf8* lastPathSeparator = nullptr;
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for (const utf8* ch = path; *ch != '\0'; ch++)
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{
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if (*ch == *PATH_SEPARATOR || *ch == '/')
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{
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lastPathSeparator = ch;
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}
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}
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return lastPathSeparator == nullptr ? path : lastPathSeparator + 1;
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}
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std::string GetFileNameWithoutExtension(const std::string& path)
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{
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utf8* cstr = GetFileNameWithoutExtension(path.c_str());
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std::string result = String::ToStd(cstr);
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Memory::Free(cstr);
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return result;
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}
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utf8* GetFileNameWithoutExtension(const utf8* path)
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{
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size_t maxSize = String::SizeOf(path) + 1;
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utf8* result = Memory::Allocate<utf8>(maxSize);
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GetFileNameWithoutExtension(result, maxSize, path);
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size_t reducedSize = String::SizeOf(path) + 1;
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result = Memory::Reallocate(result, reducedSize);
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return result;
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}
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utf8* GetFileNameWithoutExtension(utf8* buffer, size_t bufferSize, const utf8* path)
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{
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path = GetFileName(path);
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const utf8* lastDot = nullptr;
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const utf8* ch = path;
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for (; *ch != '\0'; ch++)
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{
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if (*ch == '.')
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{
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lastDot = ch;
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}
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}
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if (lastDot == nullptr)
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{
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return String::Set(buffer, bufferSize, path);
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}
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size_t truncatedLength = std::min<size_t>(bufferSize - 1, lastDot - path);
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std::copy_n(path, truncatedLength, buffer);
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buffer[truncatedLength] = '\0';
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return buffer;
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}
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const std::string GetExtension(const std::string& path)
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{
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return GetExtension(path.c_str());
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}
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const utf8* GetExtension(const utf8* path)
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{
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const utf8* lastDot = nullptr;
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const utf8* ch = GetFileName(path);
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for (; *ch != '\0'; ch++)
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{
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if (*ch == '.')
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{
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lastDot = ch;
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}
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}
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if (lastDot == nullptr)
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{
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// Return the null terminator, i.e. a blank extension
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return ch;
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}
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// Return the extension including the dot
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return lastDot;
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}
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utf8* GetAbsolute(utf8* buffer, size_t bufferSize, const utf8* relativePath)
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{
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#ifdef _WIN32
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wchar_t* relativePathW = utf8_to_widechar(relativePath);
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wchar_t absolutePathW[MAX_PATH];
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DWORD length = GetFullPathNameW(relativePathW, (DWORD)Util::CountOf(absolutePathW), absolutePathW, nullptr);
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Memory::Free(relativePathW);
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if (length == 0)
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{
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return String::Set(buffer, bufferSize, relativePath);
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}
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else
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{
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utf8* absolutePath = widechar_to_utf8(absolutePathW);
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String::Set(buffer, bufferSize, absolutePath);
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Memory::Free(absolutePath);
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return buffer;
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}
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#else
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utf8* absolutePath = realpath(relativePath, nullptr);
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if (absolutePath == nullptr)
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{
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return String::Set(buffer, bufferSize, relativePath);
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}
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else
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{
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String::Set(buffer, bufferSize, absolutePath);
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Memory::Free(absolutePath);
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return buffer;
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}
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#endif
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}
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std::string GetAbsolute(const std::string& relative)
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{
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utf8 absolute[MAX_PATH];
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return GetAbsolute(absolute, sizeof(absolute), relative.c_str());
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}
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bool Equals(const std::string& a, const std::string& b)
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{
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return String::Equals(a.c_str(), b.c_str());
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}
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bool Equals(const utf8* a, const utf8* b)
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{
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bool ignoreCase = false;
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#ifdef _WIN32
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ignoreCase = true;
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#endif
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return String::Equals(a, b, ignoreCase);
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}
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std::string ResolveCasing(const std::string& path)
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{
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std::string result;
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if (File::Exists(path))
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{
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// Windows is case insensitive so it will exist and that is all that matters
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// for now. We can properly resolve the casing if we ever need to.
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result = path;
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}
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#ifndef _WIN32
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else
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{
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std::string fileName = Path::GetFileName(path);
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std::string directory = Path::GetDirectory(path);
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struct dirent** files;
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auto count = scandir(directory.c_str(), &files, nullptr, alphasort);
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if (count != -1)
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{
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// Find a file which matches by name (case insensitive)
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for (int32_t i = 0; i < count; i++)
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{
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if (String::Equals(files[i]->d_name, fileName.c_str(), true))
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{
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result = Path::Combine(directory, std::string(files[i]->d_name));
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break;
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}
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}
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// Free memory
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for (int32_t i = 0; i < count; i++)
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{
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free(files[i]);
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}
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free(files);
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}
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}
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#endif
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return result;
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}
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} // namespace Path
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