1.1 --- a/core/systems/LibrarySys.cpp Fri Mar 28 06:21:34 2008 +0000
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,398 +0,0 @@
1.4 -/**
1.5 - * vim: set ts=4 :
1.6 - * =============================================================================
1.7 - * SourceMod
1.8 - * Copyright (C) 2004-2007 AlliedModders LLC. All rights reserved.
1.9 - * =============================================================================
1.10 - *
1.11 - * This program is free software; you can redistribute it and/or modify it under
1.12 - * the terms of the GNU General Public License, version 3.0, as published by the
1.13 - * Free Software Foundation.
1.14 - *
1.15 - * This program is distributed in the hope that it will be useful, but WITHOUT
1.16 - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
1.17 - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
1.18 - * details.
1.19 - *
1.20 - * You should have received a copy of the GNU General Public License along with
1.21 - * this program. If not, see <http://www.gnu.org/licenses/>.
1.22 - *
1.23 - * As a special exception, AlliedModders LLC gives you permission to link the
1.24 - * code of this program (as well as its derivative works) to "Half-Life 2," the
1.25 - * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
1.26 - * by the Valve Corporation. You must obey the GNU General Public License in
1.27 - * all respects for all other code used. Additionally, AlliedModders LLC grants
1.28 - * this exception to all derivative works. AlliedModders LLC defines further
1.29 - * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
1.30 - * or <http://www.sourcemod.net/license.php>.
1.31 - *
1.32 - * Version: $Id$
1.33 - */
1.34 -
1.35 -#include <stdio.h>
1.36 -#include <stdarg.h>
1.37 -#include <string.h>
1.38 -#include <sm_platform.h>
1.39 -#include "sm_stringutil.h"
1.40 -#include "LibrarySys.h"
1.41 -
1.42 -LibrarySystem g_LibSys;
1.43 -
1.44 -CLibrary::~CLibrary()
1.45 -{
1.46 - if (m_lib)
1.47 - {
1.48 -#if defined PLATFORM_WINDOWS
1.49 - FreeLibrary(m_lib);
1.50 -#elif defined PLATFORM_POSIX
1.51 - dlclose(m_lib);
1.52 -#endif
1.53 - m_lib = NULL;
1.54 - }
1.55 -}
1.56 -
1.57 -CLibrary::CLibrary(LibraryHandle me)
1.58 -{
1.59 - m_lib = me;
1.60 -}
1.61 -
1.62 -void CLibrary::CloseLibrary()
1.63 -{
1.64 - delete this;
1.65 -}
1.66 -
1.67 -void *CLibrary::GetSymbolAddress(const char *symname)
1.68 -{
1.69 -#if defined PLATFORM_WINDOWS
1.70 - return GetProcAddress(m_lib, symname);
1.71 -#elif defined PLATFORM_POSIX
1.72 - return dlsym(m_lib, symname);
1.73 -#endif
1.74 -}
1.75 -
1.76 -
1.77 -/********************
1.78 - ** Directory Code **
1.79 - ********************/
1.80 -
1.81 -
1.82 -CDirectory::CDirectory(const char *path)
1.83 -{
1.84 -#if defined PLATFORM_WINDOWS
1.85 - char newpath[PLATFORM_MAX_PATH];
1.86 - snprintf(newpath, sizeof(newpath), "%s\\*.*", path);
1.87 - m_dir = FindFirstFileA(newpath, &m_fd);
1.88 - if (!IsValid())
1.89 - {
1.90 - m_fd.cFileName[0] = '\0';
1.91 - }
1.92 -#elif defined PLATFORM_POSIX
1.93 - m_dir = opendir(path);
1.94 - if (IsValid())
1.95 - {
1.96 - /* :TODO: we need to read past "." and ".."! */
1.97 - ep = readdir(m_dir);
1.98 - snprintf(m_origpath, PLATFORM_MAX_PATH, "%s", path);
1.99 - } else {
1.100 - ep = NULL;
1.101 - }
1.102 -#endif
1.103 -}
1.104 -
1.105 -CDirectory::~CDirectory()
1.106 -{
1.107 - if (IsValid())
1.108 - {
1.109 -#if defined PLATFORM_WINDOWS
1.110 - FindClose(m_dir);
1.111 -#elif defined PLATFORM_POSIX
1.112 - closedir(m_dir);
1.113 -#endif
1.114 - }
1.115 -}
1.116 -
1.117 -void CDirectory::NextEntry()
1.118 -{
1.119 -#if defined PLATFORM_WINDOWS
1.120 - if (FindNextFile(m_dir, &m_fd) == 0)
1.121 - {
1.122 - FindClose(m_dir);
1.123 - m_dir = INVALID_HANDLE_VALUE;
1.124 - }
1.125 -#elif defined PLATFORM_POSIX
1.126 - if ((ep=readdir(m_dir)) == NULL)
1.127 - {
1.128 - closedir(m_dir);
1.129 - m_dir = NULL;
1.130 - }
1.131 -#endif
1.132 -}
1.133 -
1.134 -bool CDirectory::IsEntryValid()
1.135 -{
1.136 - return IsValid();
1.137 -}
1.138 -
1.139 -bool CDirectory::IsEntryDirectory()
1.140 -{
1.141 -#if defined PLATFORM_WINDOWS
1.142 - return ((m_fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1.143 -#elif defined PLATFORM_LINUX
1.144 - char temppath[PLATFORM_MAX_PATH];
1.145 - snprintf(temppath, sizeof(temppath), "%s/%s", m_origpath, GetEntryName());
1.146 - return g_LibSys.IsPathDirectory(temppath);
1.147 -#endif
1.148 -}
1.149 -
1.150 -bool CDirectory::IsEntryFile()
1.151 -{
1.152 -#if defined PLATFORM_WINDOWS
1.153 - return !(m_fd.dwFileAttributes & (FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_DEVICE));
1.154 -#elif defined PLATFORM_POSIX
1.155 - char temppath[PLATFORM_MAX_PATH];
1.156 - snprintf(temppath, sizeof(temppath), "%s/%s", m_origpath, GetEntryName());
1.157 - return g_LibSys.IsPathFile(temppath);
1.158 -#endif
1.159 -}
1.160 -
1.161 -const char *CDirectory::GetEntryName()
1.162 -{
1.163 -#if defined PLATFORM_WINDOWS
1.164 - return m_fd.cFileName;
1.165 -#elif defined PLATFORM_LINUX
1.166 - return ep ? ep->d_name : "";
1.167 -#endif
1.168 -}
1.169 -
1.170 -bool CDirectory::MoreFiles()
1.171 -{
1.172 - return IsValid();
1.173 -}
1.174 -
1.175 -bool CDirectory::IsValid()
1.176 -{
1.177 -#if defined PLATFORM_WINDOWS
1.178 - return (m_dir != INVALID_HANDLE_VALUE);
1.179 -#elif defined PLATFORM_LINUX
1.180 - return (m_dir != NULL);
1.181 -#endif
1.182 -}
1.183 -
1.184 -
1.185 -/*************************
1.186 - ** Library System Code **
1.187 - *************************/
1.188 -
1.189 -
1.190 -bool LibrarySystem::PathExists(const char *path)
1.191 -{
1.192 -#if defined PLATFORM_WINDOWS
1.193 - DWORD attr = GetFileAttributesA(path);
1.194 -
1.195 - return (attr != INVALID_FILE_ATTRIBUTES);
1.196 -#elif defined PLATFORM_POSIX
1.197 - struct stat s;
1.198 -
1.199 - return (stat(path, &s) == 0);
1.200 -#endif
1.201 -}
1.202 -
1.203 -bool LibrarySystem::IsPathFile(const char *path)
1.204 -{
1.205 -#if defined PLATFORM_WINDOWS
1.206 - DWORD attr = GetFileAttributes(path);
1.207 -
1.208 - if (attr == INVALID_FILE_ATTRIBUTES)
1.209 - {
1.210 - return false;
1.211 - }
1.212 -
1.213 - if (attr & (FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_DEVICE))
1.214 - {
1.215 - return false;
1.216 - }
1.217 -
1.218 - return true;
1.219 -#elif defined PLATFORM_LINUX
1.220 - struct stat s;
1.221 -
1.222 - if (stat(path, &s) != 0)
1.223 - {
1.224 - return false;
1.225 - }
1.226 -
1.227 - return S_ISREG(s.st_mode) ? true : false;
1.228 -#endif
1.229 -}
1.230 -
1.231 -bool LibrarySystem::IsPathDirectory(const char *path)
1.232 -{
1.233 -#if defined PLATFORM_WINDOWS
1.234 - DWORD attr = GetFileAttributes(path);
1.235 -
1.236 - if (attr == INVALID_FILE_ATTRIBUTES)
1.237 - {
1.238 - return false;
1.239 - }
1.240 -
1.241 - if (attr & FILE_ATTRIBUTE_DIRECTORY)
1.242 - {
1.243 - return true;
1.244 - }
1.245 -
1.246 -#elif defined PLATFORM_LINUX
1.247 - struct stat s;
1.248 -
1.249 - if (stat(path, &s) != 0)
1.250 - {
1.251 - return false;
1.252 - }
1.253 -
1.254 - if (S_ISDIR(s.st_mode))
1.255 - {
1.256 - return true;
1.257 - }
1.258 -#endif
1.259 -
1.260 - return false;
1.261 -}
1.262 -
1.263 -IDirectory *LibrarySystem::OpenDirectory(const char *path)
1.264 -{
1.265 - CDirectory *dir = new CDirectory(path);
1.266 -
1.267 - if (!dir->IsValid())
1.268 - {
1.269 - delete dir;
1.270 - return NULL;
1.271 - }
1.272 -
1.273 - return dir;
1.274 -}
1.275 -
1.276 -void LibrarySystem::GetPlatformError(char *error, size_t maxlength)
1.277 -{
1.278 - if (error && maxlength)
1.279 - {
1.280 -#if defined PLATFORM_WINDOWS
1.281 - DWORD dw = GetLastError();
1.282 - FormatMessageA(
1.283 - FORMAT_MESSAGE_FROM_SYSTEM,
1.284 - NULL,
1.285 - dw,
1.286 - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
1.287 - (LPSTR)error,
1.288 - maxlength,
1.289 - NULL);
1.290 -#elif defined PLATFORM_POSIX
1.291 - snprintf(error, maxlength, "%s", strerror(errno));
1.292 -#endif
1.293 - }
1.294 -}
1.295 -
1.296 -void LibrarySystem::CloseDirectory(IDirectory *dir)
1.297 -{
1.298 - delete dir;
1.299 -}
1.300 -
1.301 -ILibrary *LibrarySystem::OpenLibrary(const char *path, char *error, size_t maxlength)
1.302 -{
1.303 - LibraryHandle lib;
1.304 -#if defined PLATFORM_WINDOWS
1.305 - lib = LoadLibraryA(path);
1.306 - if (!lib)
1.307 - {
1.308 - GetPlatformError(error, maxlength);
1.309 - return false;
1.310 - }
1.311 -#elif defined PLATFORM_POSIX
1.312 - lib = dlopen(path, RTLD_NOW);
1.313 - if (!lib)
1.314 - {
1.315 - GetPlatformError(error, maxlength);
1.316 - return false;
1.317 - }
1.318 -#endif
1.319 -
1.320 - return new CLibrary(lib);
1.321 -}
1.322 -
1.323 -size_t LibrarySystem::PathFormat(char *buffer, size_t len, const char *fmt, ...)
1.324 -{
1.325 - va_list ap;
1.326 - va_start(ap, fmt);
1.327 - size_t mylen = vsnprintf(buffer, len, fmt, ap);
1.328 - va_end(ap);
1.329 -
1.330 - if (mylen >= len)
1.331 - {
1.332 - mylen = len - 1;
1.333 - buffer[mylen] = '\0';
1.334 - }
1.335 -
1.336 - for (size_t i=0; i<mylen; i++)
1.337 - {
1.338 - if (buffer[i] == PLATFORM_SEP_ALTCHAR)
1.339 - {
1.340 - buffer[i] = PLATFORM_SEP_CHAR;
1.341 - }
1.342 - }
1.343 -
1.344 - return mylen;
1.345 -}
1.346 -
1.347 -const char *LibrarySystem::GetFileExtension(const char *filename)
1.348 -{
1.349 - size_t end = strlen(filename) - 1;
1.350 -
1.351 - for (size_t i = end; i >= 0; i--)
1.352 - {
1.353 - if (i > end)
1.354 - {
1.355 - break;
1.356 - }
1.357 -
1.358 - if (filename[i] == PLATFORM_SEP_CHAR || filename[i] == PLATFORM_SEP_ALTCHAR)
1.359 - {
1.360 - break;
1.361 - }
1.362 -
1.363 - if (filename[i] == '.' && i != end)
1.364 - {
1.365 - return &filename[++i];
1.366 - }
1.367 - }
1.368 -
1.369 - return NULL;
1.370 -}
1.371 -
1.372 -bool LibrarySystem::CreateFolder(const char *path)
1.373 -{
1.374 -#if defined PLATFORM_WINDOWS
1.375 - return (mkdir(path) != -1);
1.376 -#elif defined PLATFORM_POSIX
1.377 - return (mkdir(path, 0775) != -1);
1.378 -#endif
1.379 -}
1.380 -
1.381 -size_t LibrarySystem::GetFileFromPath(char *buffer, size_t maxlength, const char *path)
1.382 -{
1.383 - size_t length = strlen(path);
1.384 -
1.385 - for (size_t i = length - 1;
1.386 - i >= 0 && i <= length - 1;
1.387 - i--)
1.388 - {
1.389 - if (path[i] == '/'
1.390 -#if defined PLATFORM_WINDOWS
1.391 - || path[i] == '\\'
1.392 -#endif
1.393 - )
1.394 - {
1.395 - return UTIL_Format(buffer, maxlength, "%s", &path[i+1]);
1.396 - }
1.397 - }
1.398 -
1.399 - /* We scanned and found no path separator */
1.400 - return UTIL_Format(buffer, maxlength, "%s", path);
1.401 -}
