SDL_sysfilesystem.cpp (5124B)
1/* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org> 4 5 This software is provided 'as-is', without any express or implied 6 warranty. In no event will the authors be held liable for any damages 7 arising from the use of this software. 8 9 Permission is granted to anyone to use this software for any purpose, 10 including commercial applications, and to alter it and redistribute it 11 freely, subject to the following restrictions: 12 13 1. The origin of this software must not be misrepresented; you must not 14 claim that you wrote the original software. If you use this software 15 in a product, an acknowledgment in the product documentation would be 16 appreciated but is not required. 17 2. Altered source versions must be plainly marked as such, and must not be 18 misrepresented as being the original software. 19 3. This notice may not be removed or altered from any source distribution. 20*/ 21#include "../../SDL_internal.h" 22 23/* TODO, WinRT: include copyright info in SDL_winrtpaths.cpp 24 TODO, WinRT: remove the need to compile this with C++/CX (/ZW) extensions, and if possible, without C++ at all 25*/ 26 27#ifdef __WINRT__ 28 29extern "C" { 30#include "SDL_filesystem.h" 31#include "SDL_error.h" 32#include "SDL_stdinc.h" 33#include "SDL_system.h" 34#include "../../core/windows/SDL_windows.h" 35} 36 37#include <string> 38#include <unordered_map> 39 40using namespace std; 41using namespace Windows::Storage; 42 43extern "C" const wchar_t * 44SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path pathType) 45{ 46 switch (pathType) { 47 case SDL_WINRT_PATH_INSTALLED_LOCATION: 48 { 49 static wstring path; 50 if (path.empty()) { 51 path = Windows::ApplicationModel::Package::Current->InstalledLocation->Path->Data(); 52 } 53 return path.c_str(); 54 } 55 56 case SDL_WINRT_PATH_LOCAL_FOLDER: 57 { 58 static wstring path; 59 if (path.empty()) { 60 path = ApplicationData::Current->LocalFolder->Path->Data(); 61 } 62 return path.c_str(); 63 } 64 65#if WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP 66 case SDL_WINRT_PATH_ROAMING_FOLDER: 67 { 68 static wstring path; 69 if (path.empty()) { 70 path = ApplicationData::Current->RoamingFolder->Path->Data(); 71 } 72 return path.c_str(); 73 } 74 75 case SDL_WINRT_PATH_TEMP_FOLDER: 76 { 77 static wstring path; 78 if (path.empty()) { 79 path = ApplicationData::Current->TemporaryFolder->Path->Data(); 80 } 81 return path.c_str(); 82 } 83#endif 84 85 default: 86 break; 87 } 88 89 SDL_Unsupported(); 90 return NULL; 91} 92 93extern "C" const char * 94SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType) 95{ 96 typedef unordered_map<SDL_WinRT_Path, string> UTF8PathMap; 97 static UTF8PathMap utf8Paths; 98 99 UTF8PathMap::iterator searchResult = utf8Paths.find(pathType); 100 if (searchResult != utf8Paths.end()) { 101 return searchResult->second.c_str(); 102 } 103 104 const wchar_t * ucs2Path = SDL_WinRTGetFSPathUNICODE(pathType); 105 if (!ucs2Path) { 106 return NULL; 107 } 108 109 char * utf8Path = WIN_StringToUTF8(ucs2Path); 110 utf8Paths[pathType] = utf8Path; 111 SDL_free(utf8Path); 112 return utf8Paths[pathType].c_str(); 113} 114 115extern "C" char * 116SDL_GetBasePath(void) 117{ 118 const char * srcPath = SDL_WinRTGetFSPathUTF8(SDL_WINRT_PATH_INSTALLED_LOCATION); 119 size_t destPathLen; 120 char * destPath = NULL; 121 122 if (!srcPath) { 123 SDL_SetError("Couldn't locate our basepath: %s", SDL_GetError()); 124 return NULL; 125 } 126 127 destPathLen = SDL_strlen(srcPath) + 2; 128 destPath = (char *) SDL_malloc(destPathLen); 129 if (!destPath) { 130 SDL_OutOfMemory(); 131 return NULL; 132 } 133 134 SDL_snprintf(destPath, destPathLen, "%s\\", srcPath); 135 return destPath; 136} 137 138extern "C" char * 139SDL_GetPrefPath(const char *org, const char *app) 140{ 141 /* WinRT note: The 'SHGetFolderPath' API that is used in Windows 7 and 142 * earlier is not available on WinRT or Windows Phone. WinRT provides 143 * a similar API, but SHGetFolderPath can't be called, at least not 144 * without violating Microsoft's app-store requirements. 145 */ 146 147#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP 148 /* A 'Roaming' folder is not available in Windows Phone 8, however a 'Local' folder is. */ 149 const char * srcPath = SDL_WinRTGetFSPathUTF8(SDL_WINRT_PATH_LOCAL_FOLDER); 150#else 151 /* A 'Roaming' folder is available on Windows 8 and 8.1. Use that. */ 152 const char * srcPath = SDL_WinRTGetFSPathUTF8(SDL_WINRT_PATH_ROAMING_FOLDER); 153#endif 154 155 size_t destPathLen; 156 char * destPath = NULL; 157 158 if (!srcPath) { 159 SDL_SetError("Couldn't locate our basepath: %s", SDL_GetError()); 160 return NULL; 161 } 162 163 destPathLen = SDL_strlen(srcPath) + SDL_strlen(org) + SDL_strlen(app) + 4; 164 destPath = (char *) SDL_malloc(destPathLen); 165 if (!destPath) { 166 SDL_OutOfMemory(); 167 return NULL; 168 } 169 170 SDL_snprintf(destPath, destPathLen, "%s\\%s\\%s\\", srcPath, org, app); 171 return destPath; 172} 173 174#endif /* __WINRT__ */