mirror of
https://github.com/OpenRCT2/OpenRCT2
synced 2026-01-21 05:53:02 +01:00
278 lines
8.0 KiB
C++
278 lines
8.0 KiB
C++
#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
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/*****************************************************************************
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
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* For more information, visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* A full copy of the GNU General Public License can be found in licence.txt
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*****************************************************************************/
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#pragma endregion
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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 "../platform/platform.h"
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#include "../util/Util.h"
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#include "../localisation/Language.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 "Util.hpp"
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#include "String.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 = Math::Max(
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String::LastIndexOf(path, *PATH_SEPARATOR),
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String::LastIndexOf(path, '/')
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);
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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 = Math::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 ?
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path :
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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 = Math::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 (sint32 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 (sint32 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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