1.1 --- a/core/systems/LibrarySys.cpp Wed Nov 19 02:14:43 2008 -0600
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,441 +0,0 @@
1.4 -/**
1.5 - * vim: set ts=4 :
1.6 - * =============================================================================
1.7 - * SourceMod
1.8 - * Copyright (C) 2004-2008 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 <sys/stat.h>
1.36 -#include <stdio.h>
1.37 -#include <stdarg.h>
1.38 -#include <string.h>
1.39 -#include <sm_platform.h>
1.40 -#include "sm_stringutil.h"
1.41 -#include "LibrarySys.h"
1.42 -
1.43 -LibrarySystem g_LibSys;
1.44 -
1.45 -CLibrary::~CLibrary()
1.46 -{
1.47 - if (m_lib)
1.48 - {
1.49 -#if defined PLATFORM_WINDOWS
1.50 - FreeLibrary(m_lib);
1.51 -#elif defined PLATFORM_POSIX
1.52 - dlclose(m_lib);
1.53 -#endif
1.54 - m_lib = NULL;
1.55 - }
1.56 -}
1.57 -
1.58 -CLibrary::CLibrary(LibraryHandle me)
1.59 -{
1.60 - m_lib = me;
1.61 -}
1.62 -
1.63 -void CLibrary::CloseLibrary()
1.64 -{
1.65 - delete this;
1.66 -}
1.67 -
1.68 -void *CLibrary::GetSymbolAddress(const char *symname)
1.69 -{
1.70 -#if defined PLATFORM_WINDOWS
1.71 - return GetProcAddress(m_lib, symname);
1.72 -#elif defined PLATFORM_POSIX
1.73 - return dlsym(m_lib, symname);
1.74 -#endif
1.75 -}
1.76 -
1.77 -
1.78 -/********************
1.79 - ** Directory Code **
1.80 - ********************/
1.81 -
1.82 -
1.83 -CDirectory::CDirectory(const char *path)
1.84 -{
1.85 -#if defined PLATFORM_WINDOWS
1.86 - char newpath[PLATFORM_MAX_PATH];
1.87 - snprintf(newpath, sizeof(newpath), "%s\\*.*", path);
1.88 - m_dir = FindFirstFileA(newpath, &m_fd);
1.89 - if (!IsValid())
1.90 - {
1.91 - m_fd.cFileName[0] = '\0';
1.92 - }
1.93 -#elif defined PLATFORM_POSIX
1.94 - m_dir = opendir(path);
1.95 - if (IsValid())
1.96 - {
1.97 - /* :TODO: we need to read past "." and ".."! */
1.98 - ep = readdir(m_dir);
1.99 - snprintf(m_origpath, PLATFORM_MAX_PATH, "%s", path);
1.100 - } else {
1.101 - ep = NULL;
1.102 - }
1.103 -#endif
1.104 -}
1.105 -
1.106 -CDirectory::~CDirectory()
1.107 -{
1.108 - if (IsValid())
1.109 - {
1.110 -#if defined PLATFORM_WINDOWS
1.111 - FindClose(m_dir);
1.112 -#elif defined PLATFORM_POSIX
1.113 - closedir(m_dir);
1.114 -#endif
1.115 - }
1.116 -}
1.117 -
1.118 -void CDirectory::NextEntry()
1.119 -{
1.120 -#if defined PLATFORM_WINDOWS
1.121 - if (FindNextFile(m_dir, &m_fd) == 0)
1.122 - {
1.123 - FindClose(m_dir);
1.124 - m_dir = INVALID_HANDLE_VALUE;
1.125 - }
1.126 -#elif defined PLATFORM_POSIX
1.127 - if ((ep=readdir(m_dir)) == NULL)
1.128 - {
1.129 - closedir(m_dir);
1.130 - m_dir = NULL;
1.131 - }
1.132 -#endif
1.133 -}
1.134 -
1.135 -bool CDirectory::IsEntryValid()
1.136 -{
1.137 - return IsValid();
1.138 -}
1.139 -
1.140 -bool CDirectory::IsEntryDirectory()
1.141 -{
1.142 -#if defined PLATFORM_WINDOWS
1.143 - return ((m_fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
1.144 -#elif defined PLATFORM_LINUX
1.145 - char temppath[PLATFORM_MAX_PATH];
1.146 - snprintf(temppath, sizeof(temppath), "%s/%s", m_origpath, GetEntryName());
1.147 - return g_LibSys.IsPathDirectory(temppath);
1.148 -#endif
1.149 -}
1.150 -
1.151 -bool CDirectory::IsEntryFile()
1.152 -{
1.153 -#if defined PLATFORM_WINDOWS
1.154 - return !(m_fd.dwFileAttributes & (FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_DEVICE));
1.155 -#elif defined PLATFORM_POSIX
1.156 - char temppath[PLATFORM_MAX_PATH];
1.157 - snprintf(temppath, sizeof(temppath), "%s/%s", m_origpath, GetEntryName());
1.158 - return g_LibSys.IsPathFile(temppath);
1.159 -#endif
1.160 -}
1.161 -
1.162 -const char *CDirectory::GetEntryName()
1.163 -{
1.164 -#if defined PLATFORM_WINDOWS
1.165 - return m_fd.cFileName;
1.166 -#elif defined PLATFORM_LINUX
1.167 - return ep ? ep->d_name : "";
1.168 -#endif
1.169 -}
1.170 -
1.171 -bool CDirectory::MoreFiles()
1.172 -{
1.173 - return IsValid();
1.174 -}
1.175 -
1.176 -bool CDirectory::IsValid()
1.177 -{
1.178 -#if defined PLATFORM_WINDOWS
1.179 - return (m_dir != INVALID_HANDLE_VALUE);
1.180 -#elif defined PLATFORM_LINUX
1.181 - return (m_dir != NULL);
1.182 -#endif
1.183 -}
1.184 -
1.185 -
1.186 -/*************************
1.187 - ** Library System Code **
1.188 - *************************/
1.189 -
1.190 -
1.191 -bool LibrarySystem::PathExists(const char *path)
1.192 -{
1.193 -#if defined PLATFORM_WINDOWS
1.194 - DWORD attr = GetFileAttributesA(path);
1.195 -
1.196 - return (attr != INVALID_FILE_ATTRIBUTES);
1.197 -#elif defined PLATFORM_POSIX
1.198 - struct stat s;
1.199 -
1.200 - return (stat(path, &s) == 0);
1.201 -#endif
1.202 -}
1.203 -
1.204 -bool LibrarySystem::IsPathFile(const char *path)
1.205 -{
1.206 -#if defined PLATFORM_WINDOWS
1.207 - DWORD attr = GetFileAttributes(path);
1.208 -
1.209 - if (attr == INVALID_FILE_ATTRIBUTES)
1.210 - {
1.211 - return false;
1.212 - }
1.213 -
1.214 - if (attr & (FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_DEVICE))
1.215 - {
1.216 - return false;
1.217 - }
1.218 -
1.219 - return true;
1.220 -#elif defined PLATFORM_LINUX
1.221 - struct stat s;
1.222 -
1.223 - if (stat(path, &s) != 0)
1.224 - {
1.225 - return false;
1.226 - }
1.227 -
1.228 - return S_ISREG(s.st_mode) ? true : false;
1.229 -#endif
1.230 -}
1.231 -
1.232 -bool LibrarySystem::IsPathDirectory(const char *path)
1.233 -{
1.234 -#if defined PLATFORM_WINDOWS
1.235 - DWORD attr = GetFileAttributes(path);
1.236 -
1.237 - if (attr == INVALID_FILE_ATTRIBUTES)
1.238 - {
1.239 - return false;
1.240 - }
1.241 -
1.242 - if (attr & FILE_ATTRIBUTE_DIRECTORY)
1.243 - {
1.244 - return true;
1.245 - }
1.246 -
1.247 -#elif defined PLATFORM_LINUX
1.248 - struct stat s;
1.249 -
1.250 - if (stat(path, &s) != 0)
1.251 - {
1.252 - return false;
1.253 - }
1.254 -
1.255 - if (S_ISDIR(s.st_mode))
1.256 - {
1.257 - return true;
1.258 - }
1.259 -#endif
1.260 -
1.261 - return false;
1.262 -}
1.263 -
1.264 -IDirectory *LibrarySystem::OpenDirectory(const char *path)
1.265 -{
1.266 - CDirectory *dir = new CDirectory(path);
1.267 -
1.268 - if (!dir->IsValid())
1.269 - {
1.270 - delete dir;
1.271 - return NULL;
1.272 - }
1.273 -
1.274 - return dir;
1.275 -}
1.276 -
1.277 -void LibrarySystem::GetPlatformError(char *error, size_t maxlength)
1.278 -{
1.279 - if (error && maxlength)
1.280 - {
1.281 -#if defined PLATFORM_WINDOWS
1.282 - DWORD dw = GetLastError();
1.283 - FormatMessageA(
1.284 - FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,
1.285 - NULL,
1.286 - dw,
1.287 - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
1.288 - (LPSTR)error,
1.289 - maxlength,
1.290 - NULL);
1.291 -#elif defined PLATFORM_POSIX
1.292 - UTIL_Format(error, maxlength, "%s", strerror(errno));
1.293 -#endif
1.294 - }
1.295 -}
1.296 -
1.297 -void LibrarySystem::GetLoaderError(char *buffer, size_t maxlength)
1.298 -{
1.299 -#if defined PLATFORM_WINDOWS
1.300 - GetPlatformError(buffer, maxlength);
1.301 -#elif defined PLATFORM_POSIX
1.302 - if (buffer != NULL && maxlength)
1.303 - {
1.304 - strncopy(buffer, dlerror(), maxlength);
1.305 - }
1.306 -#endif
1.307 -}
1.308 -
1.309 -void LibrarySystem::CloseDirectory(IDirectory *dir)
1.310 -{
1.311 - delete dir;
1.312 -}
1.313 -
1.314 -ILibrary *LibrarySystem::OpenLibrary(const char *path, char *error, size_t maxlength)
1.315 -{
1.316 - LibraryHandle lib;
1.317 -#if defined PLATFORM_WINDOWS
1.318 - lib = LoadLibraryA(path);
1.319 -#elif defined PLATFORM_POSIX
1.320 - lib = dlopen(path, RTLD_NOW);
1.321 -#endif
1.322 -
1.323 - if (lib == NULL)
1.324 - {
1.325 - GetLoaderError(error, maxlength);
1.326 - return NULL;
1.327 - }
1.328 -
1.329 - return new CLibrary(lib);
1.330 -}
1.331 -
1.332 -size_t LibrarySystem::PathFormat(char *buffer, size_t len, const char *fmt, ...)
1.333 -{
1.334 - va_list ap;
1.335 - va_start(ap, fmt);
1.336 - size_t mylen = vsnprintf(buffer, len, fmt, ap);
1.337 - va_end(ap);
1.338 -
1.339 - if (mylen >= len)
1.340 - {
1.341 - mylen = len - 1;
1.342 - buffer[mylen] = '\0';
1.343 - }
1.344 -
1.345 - for (size_t i=0; i<mylen; i++)
1.346 - {
1.347 - if (buffer[i] == PLATFORM_SEP_ALTCHAR)
1.348 - {
1.349 - buffer[i] = PLATFORM_SEP_CHAR;
1.350 - }
1.351 - }
1.352 -
1.353 - return mylen;
1.354 -}
1.355 -
1.356 -const char *LibrarySystem::GetFileExtension(const char *filename)
1.357 -{
1.358 - size_t len, end;
1.359 -
1.360 - len = strlen(filename);
1.361 -
1.362 - /* Minimum string length for filename with ext would be 3; example: a.a */
1.363 - if (len < 3)
1.364 - {
1.365 - return NULL;
1.366 - }
1.367 -
1.368 - end = len - 1;
1.369 -
1.370 - for (size_t i = end; i <= end; i--)
1.371 - {
1.372 - if (filename[i] == PLATFORM_SEP_CHAR || filename[i] == PLATFORM_SEP_ALTCHAR)
1.373 - {
1.374 - break;
1.375 - }
1.376 -
1.377 - if (filename[i] == '.' && i != end && i != 0)
1.378 - {
1.379 - return &filename[++i];
1.380 - }
1.381 - }
1.382 -
1.383 - return NULL;
1.384 -}
1.385 -
1.386 -bool LibrarySystem::CreateFolder(const char *path)
1.387 -{
1.388 -#if defined PLATFORM_WINDOWS
1.389 - return (mkdir(path) != -1);
1.390 -#elif defined PLATFORM_POSIX
1.391 - return (mkdir(path, 0775) != -1);
1.392 -#endif
1.393 -}
1.394 -
1.395 -size_t LibrarySystem::GetFileFromPath(char *buffer, size_t maxlength, const char *path)
1.396 -{
1.397 - size_t length = strlen(path);
1.398 -
1.399 - for (size_t i = length - 1;
1.400 - i >= 0 && i <= length - 1;
1.401 - i--)
1.402 - {
1.403 - if (path[i] == '/'
1.404 -#if defined PLATFORM_WINDOWS
1.405 - || path[i] == '\\'
1.406 -#endif
1.407 - )
1.408 - {
1.409 - return UTIL_Format(buffer, maxlength, "%s", &path[i+1]);
1.410 - }
1.411 - }
1.412 -
1.413 - /* We scanned and found no path separator */
1.414 - return UTIL_Format(buffer, maxlength, "%s", path);
1.415 -}
1.416 -
1.417 -bool LibrarySystem::FileTime(const char *path, FileTimeType type, time_t *pTime)
1.418 -{
1.419 -#ifdef PLATFORM_WINDOWS
1.420 - struct _stat s;
1.421 - if (_stat(path, &s) != 0)
1.422 -#elif defined PLATFORM_POSIX
1.423 - struct stat s;
1.424 - if (stat(path, &s) != 0)
1.425 -#endif
1.426 - {
1.427 - return false;
1.428 - }
1.429 -
1.430 - if (type == FileTime_LastAccess)
1.431 - {
1.432 - *pTime = s.st_atime;
1.433 - }
1.434 - else if (type == FileTime_Created)
1.435 - {
1.436 - *pTime = s.st_ctime;
1.437 - }
1.438 - else if (type == FileTime_LastChange)
1.439 - {
1.440 - *pTime = s.st_mtime;
1.441 - }
1.442 -
1.443 - return true;
1.444 -}
