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Diffstat (limited to 'indra/llfilesystem/lldir.h')
| -rw-r--r-- | indra/llfilesystem/lldir.h | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/indra/llfilesystem/lldir.h b/indra/llfilesystem/lldir.h new file mode 100644 index 0000000000..b9a046ba33 --- /dev/null +++ b/indra/llfilesystem/lldir.h @@ -0,0 +1,278 @@ +/** + * @file lldir.h + * @brief Definition of directory utilities class + * + * $LicenseInfo:firstyear=2000&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#ifndef LL_LLDIR_H +#define LL_LLDIR_H + +// these numbers are read from settings_files.xml, so we need to be explicit +typedef enum ELLPath +{ + LL_PATH_NONE = 0, + LL_PATH_USER_SETTINGS = 1, + LL_PATH_APP_SETTINGS = 2, + LL_PATH_PER_SL_ACCOUNT = 3, // returns/expands to blank string if we don't know the account name yet + LL_PATH_CACHE = 4, + LL_PATH_CHARACTER = 5, + LL_PATH_HELP = 6, + LL_PATH_LOGS = 7, + LL_PATH_TEMP = 8, + LL_PATH_SKINS = 9, + LL_PATH_TOP_SKIN = 10, + LL_PATH_CHAT_LOGS = 11, + LL_PATH_PER_ACCOUNT_CHAT_LOGS = 12, + LL_PATH_USER_SKIN = 14, + LL_PATH_LOCAL_ASSETS = 15, + LL_PATH_EXECUTABLE = 16, + LL_PATH_DEFAULT_SKIN = 17, + LL_PATH_FONTS = 18, + LL_PATH_DUMP = 19, + LL_PATH_LAST +} ELLPath; + +/// Directory operations +class LLDir +{ + public: + LLDir(); + virtual ~LLDir(); + + // app_name - Usually SecondLife, used for creating settings directories + // in OS-specific location, such as C:\Documents and Settings + // app_read_only_data_dir - Usually the source code directory, used + // for test applications to read newview data files. + virtual void initAppDirs(const std::string &app_name, + const std::string& app_read_only_data_dir = "") = 0; + + virtual S32 deleteFilesInDir(const std::string &dirname, const std::string &mask); + U32 deleteDirAndContents(const std::string& dir_name); + std::vector<std::string> getFilesInDir(const std::string &dirname); +// pure virtual functions + virtual std::string getCurPath() = 0; + virtual bool fileExists(const std::string &filename) const = 0; + + const std::string findFile(const std::string& filename, const std::vector<std::string> filenames) const; + const std::string findFile(const std::string& filename, const std::string& searchPath1 = "", const std::string& searchPath2 = "", const std::string& searchPath3 = "") const; + + virtual std::string getLLPluginLauncher() = 0; // full path and name for the plugin shell + virtual std::string getLLPluginFilename(std::string base_name) = 0; // full path and name to the plugin DSO for this base_name (i.e. 'FOO' -> '/bar/baz/libFOO.so') + + const std::string &getExecutablePathAndName() const; // Full pathname of the executable + const std::string &getAppName() const; // install directory under progams/ ie "SecondLife" + const std::string &getExecutableDir() const; // Directory where the executable is located + const std::string &getExecutableFilename() const;// Filename of .exe + const std::string &getWorkingDir() const; // Current working directory + const std::string &getAppRODataDir() const; // Location of read-only data files + const std::string &getOSUserDir() const; // Location of the os-specific user dir + const std::string &getOSUserAppDir() const; // Location of the os-specific user app dir + const std::string &getLindenUserDir() const; // Location of the Linden user dir. + const std::string &getChatLogsDir() const; // Location of the chat logs dir. + const std::string &getDumpDir() const; // Location of the per-run dump dir. + bool dumpDirExists() const; + const std::string &getPerAccountChatLogsDir() const; // Location of the per account chat logs dir. + const std::string &getTempDir() const; // Common temporary directory + const std::string getCacheDir(bool get_default = false) const; // Location of the cache. + const std::string &getOSCacheDir() const; // location of OS-specific cache folder (may be empty string) + const std::string &getCAFile() const; // File containing TLS certificate authorities + const std::string &getDirDelimiter() const; // directory separator for platform (ie. '\' or '/' or ':') + const std::string &getDefaultSkinDir() const; // folder for default skin. e.g. c:\program files\second life\skins\default + const std::string &getSkinDir() const; // User-specified skin folder. + const std::string &getUserDefaultSkinDir() const; // dir with user modifications to default skin + const std::string &getUserSkinDir() const; // User-specified skin folder with user modifications. e.g. c:\documents and settings\username\application data\second life\skins\curskin + const std::string getSkinBaseDir() const; // folder that contains all installed skins (not user modifications). e.g. c:\program files\second life\skins + const std::string &getLLPluginDir() const; // Directory containing plugins and plugin shell + const std::string &getUserName() const; + + // Expanded filename + std::string getExpandedFilename(ELLPath location, const std::string &filename) const; + std::string getExpandedFilename(ELLPath location, const std::string &subdir, const std::string &filename) const; + std::string getExpandedFilename(ELLPath location, const std::string &subdir1, const std::string &subdir2, const std::string &filename) const; + + // Base and Directory name extraction + std::string getBaseFileName(const std::string& filepath, bool strip_exten = false) const; + std::string getDirName(const std::string& filepath) const; + std::string getExtension(const std::string& filepath) const; // Excludes '.', e.g getExtension("foo.wav") == "wav" + + // these methods search the various skin paths for the specified file in the following order: + // getUserSkinDir(), getUserDefaultSkinDir(), getSkinDir(), getDefaultSkinDir() + /// param value for findSkinnedFilenames(), explained below + enum ESkinConstraint { CURRENT_SKIN, ALL_SKINS }; + /** + * Given a filename within skin, return an ordered sequence of paths to + * search. Nonexistent files will be filtered out -- which means that the + * vector might be empty. + * + * @param subdir Identify top-level skin subdirectory by passing one of + * LLDir::XUI (file lives under "xui" subtree), LLDir::TEXTURES (file + * lives under "textures" subtree), LLDir::SKINBASE (file lives at top + * level of skin subdirectory). + * @param filename Desired filename within subdir within skin, e.g. + * "panel_login.xml". DO NOT prepend (e.g.) "xui" or the desired language. + * @param constraint Callers perform two different kinds of processing. + * When fetching a XUI file, for instance, the existence of @a filename in + * the specified skin completely supercedes any @a filename in the default + * skin. For that case, leave the default @a constraint=CURRENT_SKIN. The + * returned vector will contain only + * ".../<i>current_skin</i>/xui/en/<i>filename</i>", + * ".../<i>current_skin</i>/xui/<i>current_language</i>/<i>filename</i>". + * But for (e.g.) "strings.xml", we want a given skin to be able to + * override only specific entries from the default skin. Any string not + * defined in the specified skin will be sought in the default skin. For + * that case, pass @a constraint=ALL_SKINS. The returned vector will + * contain at least ".../default/xui/en/strings.xml", + * ".../default/xui/<i>current_language</i>/strings.xml", + * ".../<i>current_skin</i>/xui/en/strings.xml", + * ".../<i>current_skin</i>/xui/<i>current_language</i>/strings.xml". + */ + std::vector<std::string> findSkinnedFilenames(const std::string& subdir, + const std::string& filename, + ESkinConstraint constraint=CURRENT_SKIN) const; + /// Values for findSkinnedFilenames(subdir) parameter + static const char *XUI, *TEXTURES, *SKINBASE; + /** + * Return the base-language pathname from findSkinnedFilenames(), or + * the empty string if no such file exists. Parameters are identical to + * findSkinnedFilenames(). This is shorthand for capturing the vector + * returned by findSkinnedFilenames(), checking for empty() and then + * returning front(). + */ + std::string findSkinnedFilenameBaseLang(const std::string &subdir, + const std::string &filename, + ESkinConstraint constraint=CURRENT_SKIN) const; + /** + * Return the "most localized" pathname from findSkinnedFilenames(), or + * the empty string if no such file exists. Parameters are identical to + * findSkinnedFilenames(). This is shorthand for capturing the vector + * returned by findSkinnedFilenames(), checking for empty() and then + * returning back(). + */ + std::string findSkinnedFilename(const std::string &subdir, + const std::string &filename, + ESkinConstraint constraint=CURRENT_SKIN) const; + + // random filename in common temporary directory + std::string getTempFilename() const; + + static std::string getDumpLogsDirPath(const std::string &file_name = ""); + + // For producing safe download file names from potentially unsafe ones + static std::string getScrubbedFileName(const std::string uncleanFileName); + static std::string getForbiddenFileChars(); + void setDumpDir( const std::string& path ); + + + virtual void setChatLogsDir(const std::string &path); // Set the chat logs dir to this user's dir + virtual void setPerAccountChatLogsDir(const std::string &username); // Set the per user chat log directory. + virtual void setLindenUserDir(const std::string &username); // Set the linden user dir to this user's dir + virtual void setSkinFolder(const std::string &skin_folder, const std::string& language); + virtual std::string getSkinFolder() const; + virtual std::string getLanguage() const; + virtual bool setCacheDir(const std::string &path); + virtual void updatePerAccountChatLogsDir(); + + virtual void dumpCurrentDirectories(LLError::ELevel level = LLError::LEVEL_DEBUG); + + // Utility routine + std::string buildSLOSCacheDir() const; + + /// Append specified @a name to @a destpath, separated by getDirDelimiter() + /// if both are non-empty. + void append(std::string& destpath, const std::string& name) const; + /// Variadic form: append @a name0 and @a name1 and arbitrary other @a + /// names to @a destpath, separated by getDirDelimiter() as needed. + template <typename... NAMES> + void append(std::string& destpath, const std::string& name0, const std::string& name1, + const NAMES& ... names) const + { + // In a typical recursion case, we'd accept (destpath, name0, names). + // We accept (destpath, name0, name1, names) because it's important to + // delegate the two-argument case to the non-template implementation. + append(destpath, name0); + append(destpath, name1, names...); + } + + /// Append specified @a names to @a path, separated by getDirDelimiter() + /// as needed. Return result, leaving @a path unmodified. + template <typename... NAMES> + std::string add(const std::string& path, const NAMES& ... names) const + { + std::string destpath(path); + append(destpath, names...); + return destpath; + } + +protected: + // Does an add() or append() call need a directory delimiter? + typedef std::pair<bool, unsigned short> SepOff; + SepOff needSep(const std::string& path, const std::string& name) const; + // build mSearchSkinDirs without adding duplicates + void addSearchSkinDir(const std::string& skindir); + + // Internal to findSkinnedFilenames() + template <typename FUNCTION> + void walkSearchSkinDirs(const std::string& subdir, + const std::vector<std::string>& subsubdirs, + const std::string& filename, + const FUNCTION& function) const; + + std::string mAppName; // install directory under progams/ ie "SecondLife" + std::string mExecutablePathAndName; // full path + Filename of .exe + std::string mExecutableFilename; // Filename of .exe + std::string mExecutableDir; // Location of executable + std::string mWorkingDir; // Current working directory + std::string mAppRODataDir; // Location for static app data + std::string mOSUserDir; // OS Specific user directory + std::string mOSUserAppDir; // OS Specific user app directory + std::string mLindenUserDir; // Location for Linden user-specific data + std::string mPerAccountChatLogsDir; // Location for chat logs. + std::string mChatLogsDir; // Location for chat logs. + std::string mCAFile; // Location of the TLS certificate authority PEM file. + std::string mTempDir; + std::string mCacheDir; // cache directory as set by user preference + std::string mDefaultCacheDir; // default cache diretory + std::string mOSCacheDir; // operating system cache dir + std::string mDirDelimiter; + std::string mSkinName; // caller-specified skin name + std::string mSkinBaseDir; // Base for skins paths. + std::string mDefaultSkinDir; // Location for default skin info. + std::string mSkinDir; // Location for current skin info. + std::string mUserDefaultSkinDir; // Location for default skin info. + std::string mUserSkinDir; // Location for user-modified skin info. + // Skin directories to search, most general to most specific. This order + // works well for composing fine-grained files, in which an individual item + // in a specific file overrides the corresponding item in more general + // files. Of course, for a file-level search, iterate backwards. + std::vector<std::string> mSearchSkinDirs; + std::string mLanguage; // Current viewer language + std::string mLLPluginDir; // Location for plugins and plugin shell + static std::string sDumpDir; // Per-run crash report subdir of log directory. + std::string mUserName; // Current user name +}; + +void dir_exists_or_crash(const std::string &dir_name); + +extern LLDir *gDirUtilp; + +#endif // LL_LLDIR_H |