+++ /dev/null
-/*
-Copyright (c) 2001, Loki software, inc.
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-Redistributions of source code must retain the above copyright notice, this list
-of conditions and the following disclaimer.
-
-Redistributions in binary form must reproduce the above copyright notice, this
-list of conditions and the following disclaimer in the documentation and/or
-other materials provided with the distribution.
-
-Neither the name of Loki software nor the names of its contributors may be used
-to endorse or promote products derived from this software without specific prior
-written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
-DIRECT,INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-//
-// Rules:
-//
-// - Directories should be searched in the following order: ~/.q3a/baseq3,
-// install dir (/usr/local/games/quake3/baseq3) and cd_path (/mnt/cdrom/baseq3).
-//
-// - Pak files are searched first inside the directories.
-// - Case insensitive.
-// - Unix-style slashes (/) (windows is backwards .. everyone knows that)
-//
-// Leonardo Zide (leo@lokigames.com)
-//
-
-#include "vfs.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <glib/gslist.h>
-#include <glib/gdir.h>
-#include <glib/gstrfuncs.h>
-
-#include "qerplugin.h"
-#include "idatastream.h"
-#include "iarchive.h"
-ArchiveModules& FileSystemQ3API_getArchiveModules();
-#include "ifilesystem.h"
-
-#include "generic/callback.h"
-#include "string/string.h"
-#include "stream/stringstream.h"
-#include "os/path.h"
-#include "moduleobservers.h"
-
-
-#define VFS_MAXDIRS 64
-
-#if defined(WIN32)
-#define PATH_MAX 260
-#endif
-
-#define gamemode_get GlobalRadiant().getGameMode
-
-
-
-// =============================================================================
-// Global variables
-
-Archive* OpenArchive(const char* name);
-
-struct archive_entry_t
-{
- CopiedString name;
- Archive* archive;
- bool is_pakfile;
-};
-
-#include <list>
-
-typedef std::list<archive_entry_t> archives_t;
-
-static archives_t g_archives;
-static char g_strDirs[VFS_MAXDIRS][PATH_MAX+1];
-static int g_numDirs;
-static char g_strForbiddenDirs[VFS_MAXDIRS][PATH_MAX+1];
-static int g_numForbiddenDirs = 0;
-static bool g_bUsePak = true;
-
-ModuleObservers g_observers;
-
-// =============================================================================
-// Static functions
-
-static void AddSlash (char *str)
-{
- std::size_t n = strlen (str);
- if (n > 0)
- {
- if (str[n-1] != '\\' && str[n-1] != '/')
- {
- globalErrorStream() << "WARNING: directory path does not end with separator: " << str << "\n";
- strcat (str, "/");
- }
- }
-}
-
-static void FixDOSName (char *src)
-{
- if (src == 0 || strchr(src, '\\') == 0)
- return;
-
- globalErrorStream() << "WARNING: invalid path separator '\\': " << src << "\n";
-
- while (*src)
- {
- if (*src == '\\')
- *src = '/';
- src++;
- }
-}
-
-
-
-const _QERArchiveTable* GetArchiveTable(ArchiveModules& archiveModules, const char* ext)
-{
- StringOutputStream tmp(16);
- tmp << LowerCase(ext);
- return archiveModules.findModule(tmp.c_str());
-}
-static void InitPakFile (ArchiveModules& archiveModules, const char *filename)
-{
- const _QERArchiveTable* table = GetArchiveTable(archiveModules, path_get_extension(filename));
-
- if(table != 0)
- {
- archive_entry_t entry;
- entry.name = filename;
-
- entry.archive = table->m_pfnOpenArchive(filename);
- entry.is_pakfile = true;
- g_archives.push_back(entry);
- globalOutputStream() << " pak file: " << filename << "\n";
- }
-}
-
-inline void pathlist_prepend_unique(GSList*& pathlist, char* path)
-{
- if(g_slist_find_custom(pathlist, path, (GCompareFunc)path_compare) == 0)
- {
- pathlist = g_slist_prepend(pathlist, path);
- }
- else
- {
- g_free(path);
- }
-}
-
-class DirectoryListVisitor : public Archive::Visitor
-{
- GSList*& m_matches;
- const char* m_directory;
-public:
- DirectoryListVisitor(GSList*& matches, const char* directory)
- : m_matches(matches), m_directory(directory)
- {}
- void visit(const char* name)
- {
- const char* subname = path_make_relative(name, m_directory);
- if(subname != name)
- {
- if(subname[0] == '/')
- ++subname;
- char* dir = g_strdup(subname);
- char* last_char = dir + strlen(dir);
- if(last_char != dir && *(--last_char) == '/')
- *last_char = '\0';
- pathlist_prepend_unique(m_matches, dir);
- }
- }
-};
-
-class FileListVisitor : public Archive::Visitor
-{
- GSList*& m_matches;
- const char* m_directory;
- const char* m_extension;
-public:
- FileListVisitor(GSList*& matches, const char* directory, const char* extension)
- : m_matches(matches), m_directory(directory), m_extension(extension)
- {}
- void visit(const char* name)
- {
- const char* subname = path_make_relative(name, m_directory);
- if(subname != name)
- {
- if(subname[0] == '/')
- ++subname;
- if(m_extension[0] == '*' || extension_equal(path_get_extension(subname), m_extension))
- pathlist_prepend_unique(m_matches, g_strdup (subname));
- }
- }
-};
-
-static GSList* GetListInternal (const char *refdir, const char *ext, bool directories, std::size_t depth)
-{
- GSList* files = 0;
-
- ASSERT_MESSAGE(refdir[strlen(refdir) - 1] == '/', "search path does not end in '/'");
-
- if(directories)
- {
- for(archives_t::iterator i = g_archives.begin(); i != g_archives.end(); ++i)
- {
- DirectoryListVisitor visitor(files, refdir);
- (*i).archive->forEachFile(Archive::VisitorFunc(visitor, Archive::eDirectories, depth), refdir);
- }
- }
- else
- {
- for(archives_t::iterator i = g_archives.begin(); i != g_archives.end(); ++i)
- {
- FileListVisitor visitor(files, refdir, ext);
- (*i).archive->forEachFile(Archive::VisitorFunc(visitor, Archive::eFiles, depth), refdir);
- }
- }
-
- files = g_slist_reverse(files);
-
- return files;
-}
-
-inline int ascii_to_upper(int c)
-{
- if (c >= 'a' && c <= 'z')
- {
- return c - ('a' - 'A');
- }
- return c;
-}
-
-/*!
-This behaves identically to stricmp(a,b), except that ASCII chars
-[\]^`_ come AFTER alphabet chars instead of before. This is because
-it converts all alphabet chars to uppercase before comparison,
-while stricmp converts them to lowercase.
-*/
-static int string_compare_nocase_upper(const char* a, const char* b)
-{
- for(;;)
- {
- int c1 = ascii_to_upper(*a++);
- int c2 = ascii_to_upper(*b++);
-
- if (c1 < c2)
- {
- return -1; // a < b
- }
- if (c1 > c2)
- {
- return 1; // a > b
- }
- if(c1 == 0)
- {
- return 0; // a == b
- }
- }
-}
-
-// Arnout: note - sort pakfiles in reverse order. This ensures that
-// later pakfiles override earlier ones. This because the vfs module
-// returns a filehandle to the first file it can find (while it should
-// return the filehandle to the file in the most overriding pakfile, the
-// last one in the list that is).
-
-//!\todo Analyse the code in rtcw/q3 to see which order it sorts pak files.
-class PakLess
-{
-public:
- bool operator()(const CopiedString& self, const CopiedString& other) const
- {
- return string_compare_nocase_upper(self.c_str(), other.c_str()) > 0;
- }
-};
-
-typedef std::set<CopiedString, PakLess> Archives;
-
-// =============================================================================
-// Global functions
-
-// reads all pak files from a dir
-void InitDirectory(const char* directory, ArchiveModules& archiveModules)
-{
- int j;
-
- g_numForbiddenDirs = 0;
- StringTokeniser st(GlobalRadiant().getGameDescriptionKeyValue("forbidden_paths"), " ");
- for(j = 0; j < VFS_MAXDIRS; ++j)
- {
- const char *t = st.getToken();
- if(string_empty(t))
- break;
- strncpy(g_strForbiddenDirs[g_numForbiddenDirs], t, PATH_MAX);
- g_strForbiddenDirs[g_numForbiddenDirs][PATH_MAX] = '\0';
- ++g_numForbiddenDirs;
- }
-
- for(j = 0; j < g_numForbiddenDirs; ++j)
- {
- if(!string_compare_nocase_upper(directory, g_strForbiddenDirs[j])
- || (string_length(directory) > string_length(g_strForbiddenDirs[j]) && directory[string_length(directory) - string_length(g_strForbiddenDirs[j]) - 1] == '/' && !string_compare_nocase_upper(directory + string_length(directory) - string_length(g_strForbiddenDirs[j]), g_strForbiddenDirs[j])))
- break;
- }
- if(j < g_numForbiddenDirs)
- {
- printf("Directory %s matched by forbidden dirs, removed\n", directory);
- return;
- }
-
- if (g_numDirs == VFS_MAXDIRS)
- return;
-
- strncpy(g_strDirs[g_numDirs], directory, PATH_MAX);
- g_strDirs[g_numDirs][PATH_MAX] = '\0';
- FixDOSName (g_strDirs[g_numDirs]);
- AddSlash (g_strDirs[g_numDirs]);
-
- const char* path = g_strDirs[g_numDirs];
-
- g_numDirs++;
-
- {
- archive_entry_t entry;
- entry.name = path;
- entry.archive = OpenArchive(path);
- entry.is_pakfile = false;
- g_archives.push_back(entry);
- }
-
- if (g_bUsePak)
- {
- GDir* dir = g_dir_open (path, 0, 0);
-
- if (dir != 0)
- {
- globalOutputStream() << "vfs directory: " << path << "\n";
-
- const char* ignore_prefix = "";
- const char* override_prefix = "";
-
- {
- // See if we are in "sp" or "mp" mapping mode
- const char* gamemode = gamemode_get();
-
- if (strcmp (gamemode, "sp") == 0)
- {
- ignore_prefix = "mp_";
- override_prefix = "sp_";
- }
- else if (strcmp (gamemode, "mp") == 0)
- {
- ignore_prefix = "sp_";
- override_prefix = "mp_";
- }
- }
-
- Archives archives;
- Archives archivesOverride;
- for(;;)
- {
- const char* name = g_dir_read_name(dir);
- if(name == 0)
- break;
-
- for(j = 0; j < g_numForbiddenDirs; ++j)
- if(!string_compare_nocase_upper(name, g_strForbiddenDirs[j]))
- break;
- if(j < g_numForbiddenDirs)
- continue;
-
- const char *ext = strrchr (name, '.');
-
- if(ext && !string_compare_nocase_upper(ext, ".pk3dir"))
- {
- if (g_numDirs == VFS_MAXDIRS)
- continue;
- snprintf(g_strDirs[g_numDirs], PATH_MAX, "%s%s/", path, name);
- g_strDirs[g_numDirs][PATH_MAX] = '\0';
- FixDOSName (g_strDirs[g_numDirs]);
- AddSlash (g_strDirs[g_numDirs]);
- g_numDirs++;
-
- {
- archive_entry_t entry;
- entry.name = g_strDirs[g_numDirs-1];
- entry.archive = OpenArchive(g_strDirs[g_numDirs-1]);
- entry.is_pakfile = false;
- g_archives.push_back(entry);
- }
- }
-
- if ((ext == 0) || *(++ext) == '\0' || GetArchiveTable(archiveModules, ext) == 0)
- continue;
-
- // using the same kludge as in engine to ensure consistency
- if(!string_empty(ignore_prefix) && strncmp(name, ignore_prefix, strlen(ignore_prefix)) == 0)
- {
- continue;
- }
- if(!string_empty(override_prefix) && strncmp(name, override_prefix, strlen(override_prefix)) == 0)
- {
- archivesOverride.insert(name);
- continue;
- }
-
- archives.insert(name);
- }
-
- g_dir_close (dir);
-
- // add the entries to the vfs
- for(Archives::iterator i = archivesOverride.begin(); i != archivesOverride.end(); ++i)
- {
- char filename[PATH_MAX];
- strcpy(filename, path);
- strcat(filename, (*i).c_str());
- InitPakFile(archiveModules, filename);
- }
- for(Archives::iterator i = archives.begin(); i != archives.end(); ++i)
- {
- char filename[PATH_MAX];
- strcpy(filename, path);
- strcat(filename, (*i).c_str());
- InitPakFile(archiveModules, filename);
- }
- }
- else
- {
- globalErrorStream() << "vfs directory not found: " << path << "\n";
- }
- }
-}
-
-// frees all memory that we allocated
-// FIXME TTimo this should be improved so that we can shutdown and restart the VFS without exiting Radiant?
-// (for instance when modifying the project settings)
-void Shutdown()
-{
- for(archives_t::iterator i = g_archives.begin(); i != g_archives.end(); ++i)
- {
- (*i).archive->release();
- }
- g_archives.clear();
-
- g_numDirs = 0;
- g_numForbiddenDirs = 0;
-}
-
-#define VFS_SEARCH_PAK 0x1
-#define VFS_SEARCH_DIR 0x2
-
-int GetFileCount (const char *filename, int flag)
-{
- int count = 0;
- char fixed[PATH_MAX+1];
-
- strncpy(fixed, filename, PATH_MAX);
- fixed[PATH_MAX] = '\0';
- FixDOSName (fixed);
-
- if(!flag)
- flag = VFS_SEARCH_PAK | VFS_SEARCH_DIR;
-
- for(archives_t::iterator i = g_archives.begin(); i != g_archives.end(); ++i)
- {
- if((*i).is_pakfile && (flag & VFS_SEARCH_PAK) != 0
- || !(*i).is_pakfile && (flag & VFS_SEARCH_DIR) != 0)
- {
- if((*i).archive->containsFile(fixed))
- ++count;
- }
- }
-
- return count;
-}
-
-ArchiveFile* OpenFile(const char* filename)
-{
- ASSERT_MESSAGE(strchr(filename, '\\') == 0, "path contains invalid separator '\\': \"" << filename << "\"");
- for(archives_t::iterator i = g_archives.begin(); i != g_archives.end(); ++i)
- {
- ArchiveFile* file = (*i).archive->openFile(filename);
- if(file != 0)
- {
- return file;
- }
- }
-
- return 0;
-}
-
-ArchiveTextFile* OpenTextFile(const char* filename)
-{
- ASSERT_MESSAGE(strchr(filename, '\\') == 0, "path contains invalid separator '\\': \"" << filename << "\"");
- for(archives_t::iterator i = g_archives.begin(); i != g_archives.end(); ++i)
- {
- ArchiveTextFile* file = (*i).archive->openTextFile(filename);
- if(file != 0)
- {
- return file;
- }
- }
-
- return 0;
-}
-
-// NOTE: when loading a file, you have to allocate one extra byte and set it to \0
-std::size_t LoadFile (const char *filename, void **bufferptr, int index)
-{
- char fixed[PATH_MAX+1];
-
- strncpy (fixed, filename, PATH_MAX);
- fixed[PATH_MAX] = '\0';
- FixDOSName (fixed);
-
- ArchiveFile* file = OpenFile(fixed);
-
- if(file != 0)
- {
- *bufferptr = malloc (file->size()+1);
- // we need to end the buffer with a 0
- ((char*) (*bufferptr))[file->size()] = 0;
-
- std::size_t length = file->getInputStream().read((InputStream::byte_type*)*bufferptr, file->size());
- file->release();
- return length;
- }
-
- *bufferptr = 0;
- return 0;
-}
-
-void FreeFile (void *p)
-{
- free(p);
-}
-
-GSList* GetFileList (const char *dir, const char *ext, std::size_t depth)
-{
- return GetListInternal (dir, ext, false, depth);
-}
-
-GSList* GetDirList (const char *dir, std::size_t depth)
-{
- return GetListInternal (dir, 0, true, depth);
-}
-
-void ClearFileDirList (GSList **lst)
-{
- while (*lst)
- {
- g_free ((*lst)->data);
- *lst = g_slist_remove (*lst, (*lst)->data);
- }
-}
-
-const char* FindFile(const char* relative)
-{
- for(archives_t::iterator i = g_archives.begin(); i != g_archives.end(); ++i)
- {
- if((*i).archive->containsFile(relative))
- {
- return (*i).name.c_str();
- }
- }
-
- return "";
-}
-
-const char* FindPath(const char* absolute)
-{
- const char *best = "";
- for(archives_t::iterator i = g_archives.begin(); i != g_archives.end(); ++i)
- {
- if(string_length((*i).name.c_str()) > string_length(best))
- if(path_equal_n(absolute, (*i).name.c_str(), string_length((*i).name.c_str())))
- best = (*i).name.c_str();
- }
-
- return best;
-}
-
-
-class Quake3FileSystem : public VirtualFileSystem
-{
-public:
- void initDirectory(const char *path)
- {
- InitDirectory(path, FileSystemQ3API_getArchiveModules());
- }
- void initialise()
- {
- globalOutputStream() << "filesystem initialised\n";
- g_observers.realise();
- }
- void shutdown()
- {
- g_observers.unrealise();
- globalOutputStream() << "filesystem shutdown\n";
- Shutdown();
- }
-
- int getFileCount(const char *filename, int flags)
- {
- return GetFileCount(filename, flags);
- }
- ArchiveFile* openFile(const char* filename)
- {
- return OpenFile(filename);
- }
- ArchiveTextFile* openTextFile(const char* filename)
- {
- return OpenTextFile(filename);
- }
- std::size_t loadFile(const char *filename, void **buffer)
- {
- return LoadFile(filename, buffer, 0);
- }
- void freeFile(void *p)
- {
- FreeFile(p);
- }
-
- void forEachDirectory(const char* basedir, const FileNameCallback& callback, std::size_t depth)
- {
- GSList* list = GetDirList(basedir, depth);
-
- for(GSList* i = list; i != 0; i = g_slist_next(i))
- {
- callback(reinterpret_cast<const char*>((*i).data));
- }
-
- ClearFileDirList(&list);
- }
- void forEachFile(const char* basedir, const char* extension, const FileNameCallback& callback, std::size_t depth)
- {
- GSList* list = GetFileList(basedir, extension, depth);
-
- for(GSList* i = list; i != 0; i = g_slist_next(i))
- {
- const char* name = reinterpret_cast<const char*>((*i).data);
- if(extension_equal(path_get_extension(name), extension))
- {
- callback(name);
- }
- }
-
- ClearFileDirList(&list);
- }
- GSList* getDirList(const char *basedir)
- {
- return GetDirList(basedir, 1);
- }
- GSList* getFileList(const char *basedir, const char *extension)
- {
- return GetFileList(basedir, extension, 1);
- }
- void clearFileDirList(GSList **lst)
- {
- ClearFileDirList(lst);
- }
-
- const char* findFile(const char *name)
- {
- return FindFile(name);
- }
- const char* findRoot(const char *name)
- {
- return FindPath(name);
- }
-
- void attach(ModuleObserver& observer)
- {
- g_observers.attach(observer);
- }
- void detach(ModuleObserver& observer)
- {
- g_observers.detach(observer);
- }
-
- Archive* getArchive(const char* archiveName, bool pakonly)
- {
- for(archives_t::iterator i = g_archives.begin(); i != g_archives.end(); ++i)
- {
- if(pakonly && !(*i).is_pakfile)
- continue;
-
- if(path_equal((*i).name.c_str(), archiveName))
- return (*i).archive;
- }
- return 0;
- }
- void forEachArchive(const ArchiveNameCallback& callback, bool pakonly, bool reverse)
- {
- if (reverse)
- g_archives.reverse();
-
- for(archives_t::iterator i = g_archives.begin(); i != g_archives.end(); ++i)
- {
- if(pakonly && !(*i).is_pakfile)
- continue;
-
- callback((*i).name.c_str());
- }
-
- if (reverse)
- g_archives.reverse();
- }
-};
-
-Quake3FileSystem g_Quake3FileSystem;
-
-void FileSystem_Init()
-{
-}
-
-void FileSystem_Shutdown()
-{
-}
-
-VirtualFileSystem& GetFileSystem()
-{
- return g_Quake3FileSystem;
-}
projects / voretournament / voretournament.git / blobdiff