diff options
Diffstat (limited to 'indra/llvfs')
| -rw-r--r-- | indra/llvfs/lldir.cpp | 500 | ||||
| -rw-r--r-- | indra/llvfs/lldir.h | 100 | ||||
| -rw-r--r-- | indra/llvfs/tests/lldir_test.cpp | 346 |
3 files changed, 829 insertions, 117 deletions
diff --git a/indra/llvfs/lldir.cpp b/indra/llvfs/lldir.cpp index 32d081d552..5e5aeefba1 100644 --- a/indra/llvfs/lldir.cpp +++ b/indra/llvfs/lldir.cpp @@ -41,6 +41,17 @@ #include "lluuid.h" #include "lldiriterator.h" +#include "stringize.h" +#include <boost/foreach.hpp> +#include <boost/range/begin.hpp> +#include <boost/range/end.hpp> +#include <boost/assign/list_of.hpp> +#include <boost/bind.hpp> +#include <boost/ref.hpp> +#include <algorithm> + +using boost::assign::list_of; +using boost::assign::map_list_of; #if LL_WINDOWS #include "lldir_win32.h" @@ -58,6 +69,14 @@ LLDir_Linux gDirUtil; LLDir *gDirUtilp = (LLDir *)&gDirUtil; +/// Values for findSkinnedFilenames(subdir) parameter +const char + *LLDir::XUI = "xui", + *LLDir::TEXTURES = "textures", + *LLDir::SKINBASE = ""; + +static const char* const empty = ""; + LLDir::LLDir() : mAppName(""), mExecutablePathAndName(""), @@ -70,7 +89,8 @@ LLDir::LLDir() mOSCacheDir(""), mCAFile(""), mTempDir(""), - mDirDelimiter("/") // fallback to forward slash if not overridden + mDirDelimiter("/"), // fallback to forward slash if not overridden + mLanguage("en") { } @@ -96,9 +116,7 @@ S32 LLDir::deleteFilesInDir(const std::string &dirname, const std::string &mask) LLDirIterator iter(dirname, mask); while (iter.next(filename)) { - fullpath = dirname; - fullpath += getDirDelimiter(); - fullpath += filename; + fullpath = add(dirname, filename); if(LLFile::isdir(fullpath)) { @@ -270,12 +288,12 @@ std::string LLDir::buildSLOSCacheDir() const } else { - res = getOSUserAppDir() + mDirDelimiter + "cache"; + res = add(getOSUserAppDir(), "cache"); } } else { - res = getOSCacheDir() + mDirDelimiter + "SecondLife"; + res = add(getOSCacheDir(), "SecondLife"); } return res; } @@ -298,19 +316,24 @@ const std::string &LLDir::getDirDelimiter() const return mDirDelimiter; } +const std::string& LLDir::getDefaultSkinDir() const +{ + return mDefaultSkinDir; +} + const std::string &LLDir::getSkinDir() const { return mSkinDir; } -const std::string &LLDir::getUserSkinDir() const +const std::string &LLDir::getUserDefaultSkinDir() const { - return mUserSkinDir; + return mUserDefaultSkinDir; } -const std::string& LLDir::getDefaultSkinDir() const +const std::string &LLDir::getUserSkinDir() const { - return mDefaultSkinDir; + return mUserSkinDir; } const std::string LLDir::getSkinBaseDir() const @@ -323,6 +346,39 @@ const std::string &LLDir::getLLPluginDir() const return mLLPluginDir; } +static std::string ELLPathToString(ELLPath location) +{ + typedef std::map<ELLPath, const char*> ELLPathMap; +#define ENT(symbol) (symbol, #symbol) + static const ELLPathMap sMap = map_list_of + ENT(LL_PATH_NONE) + ENT(LL_PATH_USER_SETTINGS) + ENT(LL_PATH_APP_SETTINGS) + ENT(LL_PATH_PER_SL_ACCOUNT) // returns/expands to blank string if we don't know the account name yet + ENT(LL_PATH_CACHE) + ENT(LL_PATH_CHARACTER) + ENT(LL_PATH_HELP) + ENT(LL_PATH_LOGS) + ENT(LL_PATH_TEMP) + ENT(LL_PATH_SKINS) + ENT(LL_PATH_TOP_SKIN) + ENT(LL_PATH_CHAT_LOGS) + ENT(LL_PATH_PER_ACCOUNT_CHAT_LOGS) + ENT(LL_PATH_USER_SKIN) + ENT(LL_PATH_LOCAL_ASSETS) + ENT(LL_PATH_EXECUTABLE) + ENT(LL_PATH_DEFAULT_SKIN) + ENT(LL_PATH_FONTS) + ENT(LL_PATH_LAST) + ; +#undef ENT + + ELLPathMap::const_iterator found = sMap.find(location); + if (found != sMap.end()) + return found->second; + return STRINGIZE("Invalid ELLPath value " << location); +} + std::string LLDir::getExpandedFilename(ELLPath location, const std::string& filename) const { return getExpandedFilename(location, "", filename); @@ -343,15 +399,11 @@ std::string LLDir::getExpandedFilename(ELLPath location, const std::string& subd break; case LL_PATH_APP_SETTINGS: - prefix = getAppRODataDir(); - prefix += mDirDelimiter; - prefix += "app_settings"; + prefix = add(getAppRODataDir(), "app_settings"); break; case LL_PATH_CHARACTER: - prefix = getAppRODataDir(); - prefix += mDirDelimiter; - prefix += "character"; + prefix = add(getAppRODataDir(), "character"); break; case LL_PATH_HELP: @@ -363,16 +415,22 @@ std::string LLDir::getExpandedFilename(ELLPath location, const std::string& subd break; case LL_PATH_USER_SETTINGS: - prefix = getOSUserAppDir(); - prefix += mDirDelimiter; - prefix += "user_settings"; + prefix = add(getOSUserAppDir(), "user_settings"); break; case LL_PATH_PER_SL_ACCOUNT: prefix = getLindenUserDir(); if (prefix.empty()) { - // if we're asking for the per-SL-account directory but we haven't logged in yet (or otherwise don't know the account name from which to build this string), then intentionally return a blank string to the caller and skip the below warning about a blank prefix. + // if we're asking for the per-SL-account directory but we haven't + // logged in yet (or otherwise don't know the account name from + // which to build this string), then intentionally return a blank + // string to the caller and skip the below warning about a blank + // prefix. + LL_DEBUGS("LLDir") << "getLindenUserDir() not yet set: " + << ELLPathToString(location) + << ", '" << subdir1 << "', '" << subdir2 << "', '" << in_filename + << "' => ''" << LL_ENDL; return std::string(); } break; @@ -386,9 +444,7 @@ std::string LLDir::getExpandedFilename(ELLPath location, const std::string& subd break; case LL_PATH_LOGS: - prefix = getOSUserAppDir(); - prefix += mDirDelimiter; - prefix += "logs"; + prefix = add(getOSUserAppDir(), "logs"); break; case LL_PATH_TEMP: @@ -412,9 +468,7 @@ std::string LLDir::getExpandedFilename(ELLPath location, const std::string& subd break; case LL_PATH_LOCAL_ASSETS: - prefix = getAppRODataDir(); - prefix += mDirDelimiter; - prefix += "local_assets"; + prefix = add(getAppRODataDir(), "local_assets"); break; case LL_PATH_EXECUTABLE: @@ -422,56 +476,36 @@ std::string LLDir::getExpandedFilename(ELLPath location, const std::string& subd break; case LL_PATH_FONTS: - prefix = getAppRODataDir(); - prefix += mDirDelimiter; - prefix += "fonts"; + prefix = add(getAppRODataDir(), "fonts"); break; default: llassert(0); } - std::string filename = in_filename; - if (!subdir2.empty()) - { - filename = subdir2 + mDirDelimiter + filename; - } - - if (!subdir1.empty()) - { - filename = subdir1 + mDirDelimiter + filename; - } - if (prefix.empty()) { - llwarns << "prefix is empty, possible bad filename" << llendl; - } - - std::string expanded_filename; - if (!filename.empty()) - { - if (!prefix.empty()) - { - expanded_filename += prefix; - expanded_filename += mDirDelimiter; - expanded_filename += filename; - } - else - { - expanded_filename = filename; - } - } - else if (!prefix.empty()) - { - // Directory only, no file name. - expanded_filename = prefix; + llwarns << ELLPathToString(location) + << ", '" << subdir1 << "', '" << subdir2 << "', '" << in_filename + << "': prefix is empty, possible bad filename" << llendl; } - else + + std::string expanded_filename = add(add(prefix, subdir1), subdir2); + if (expanded_filename.empty() && in_filename.empty()) { - expanded_filename.assign(""); + return ""; } - - //llinfos << "*** EXPANDED FILENAME: <" << expanded_filename << ">" << llendl; + // Use explicit concatenation here instead of another add() call. Callers + // passing in_filename as "" expect to obtain a pathname ending with + // mDirSeparator so they can later directly concatenate with a specific + // filename. A caller using add() doesn't care, but there's still code + // loose in the system that uses std::string::operator+(). + expanded_filename += mDirDelimiter; + expanded_filename += in_filename; + + LL_DEBUGS("LLDir") << ELLPathToString(location) + << ", '" << subdir1 << "', '" << subdir2 << "', '" << in_filename + << "' => '" << expanded_filename << "'" << LL_ENDL; return expanded_filename; } @@ -511,31 +545,207 @@ std::string LLDir::getExtension(const std::string& filepath) const return exten; } -std::string LLDir::findSkinnedFilename(const std::string &filename) const +std::string LLDir::findSkinnedFilenameBaseLang(const std::string &subdir, + const std::string &filename, + ESkinConstraint constraint) const { - return findSkinnedFilename("", "", filename); + // This implementation is basically just as described in the declaration comments. + std::vector<std::string> found(findSkinnedFilenames(subdir, filename, constraint)); + if (found.empty()) + { + return ""; + } + return found.front(); } -std::string LLDir::findSkinnedFilename(const std::string &subdir, const std::string &filename) const +std::string LLDir::findSkinnedFilename(const std::string &subdir, + const std::string &filename, + ESkinConstraint constraint) const { - return findSkinnedFilename("", subdir, filename); + // This implementation is basically just as described in the declaration comments. + std::vector<std::string> found(findSkinnedFilenames(subdir, filename, constraint)); + if (found.empty()) + { + return ""; + } + return found.back(); } -std::string LLDir::findSkinnedFilename(const std::string &subdir1, const std::string &subdir2, const std::string &filename) const +// This method exists because the two code paths for +// findSkinnedFilenames(ALL_SKINS) and findSkinnedFilenames(CURRENT_SKIN) must +// generate the list of candidate pathnames in identical ways. The only +// difference is in the body of the inner loop. +template <typename FUNCTION> +void LLDir::walkSearchSkinDirs(const std::string& subdir, + const std::vector<std::string>& subsubdirs, + const std::string& filename, + const FUNCTION& function) const { - // generate subdirectory path fragment, e.g. "/foo/bar", "/foo", "" - std::string subdirs = ((subdir1.empty() ? "" : mDirDelimiter) + subdir1) - + ((subdir2.empty() ? "" : mDirDelimiter) + subdir2); + BOOST_FOREACH(std::string skindir, mSearchSkinDirs) + { + std::string subdir_path(add(skindir, subdir)); + BOOST_FOREACH(std::string subsubdir, subsubdirs) + { + std::string full_path(add(add(subdir_path, subsubdir), filename)); + if (fileExists(full_path)) + { + function(subsubdir, full_path); + } + } + } +} - std::vector<std::string> search_paths; - - search_paths.push_back(getUserSkinDir() + subdirs); // first look in user skin override - search_paths.push_back(getSkinDir() + subdirs); // then in current skin - search_paths.push_back(getDefaultSkinDir() + subdirs); // then default skin - search_paths.push_back(getCacheDir() + subdirs); // and last in preload directory +// ridiculous little helper function that should go away when we can use lambda +inline void push_back(std::vector<std::string>& vector, const std::string& value) +{ + vector.push_back(value); +} + +typedef std::map<std::string, std::string> StringMap; +// ridiculous little helper function that should go away when we can use lambda +inline void store_in_map(StringMap& map, const std::string& key, const std::string& value) +{ + map[key] = value; +} + +std::vector<std::string> LLDir::findSkinnedFilenames(const std::string& subdir, + const std::string& filename, + ESkinConstraint constraint) const +{ + // Recognize subdirs that have no localization. + static const std::set<std::string> sUnlocalized = list_of + ("") // top-level directory not localized + ("textures") // textures not localized + ; + + LL_DEBUGS("LLDir") << "subdir '" << subdir << "', filename '" << filename + << "', constraint " + << ((constraint == CURRENT_SKIN)? "CURRENT_SKIN" : "ALL_SKINS") + << LL_ENDL; + + // Cache the default language directory for each subdir we've encountered. + // A cache entry whose value is the empty string means "not localized, + // don't bother checking again." + static StringMap sLocalized; + + // Check whether we've already discovered if this subdir is localized. + StringMap::const_iterator found = sLocalized.find(subdir); + if (found == sLocalized.end()) + { + // We have not yet determined that. Is it one of the subdirs "known" + // to be unlocalized? + if (sUnlocalized.find(subdir) != sUnlocalized.end()) + { + // This subdir is known to be unlocalized. Remember that. + found = sLocalized.insert(StringMap::value_type(subdir, "")).first; + } + else + { + // We do not recognize this subdir. Investigate. + std::string subdir_path(add(getDefaultSkinDir(), subdir)); + if (fileExists(add(subdir_path, "en"))) + { + // defaultSkinDir/subdir contains subdir "en". That's our + // default language; this subdir is localized. + found = sLocalized.insert(StringMap::value_type(subdir, "en")).first; + } + else if (fileExists(add(subdir_path, "en-us"))) + { + // defaultSkinDir/subdir contains subdir "en-us" but not "en". + // Set as default language; this subdir is localized. + found = sLocalized.insert(StringMap::value_type(subdir, "en-us")).first; + } + else + { + // defaultSkinDir/subdir contains neither "en" nor "en-us". + // Assume it's not localized. Remember that assumption. + found = sLocalized.insert(StringMap::value_type(subdir, "")).first; + } + } + } + // Every code path above should have resulted in 'found' becoming a valid + // iterator to an entry in sLocalized. + llassert(found != sLocalized.end()); + + // Now -- is this subdir localized, or not? The answer determines what + // subdirectories we check (under subdir) for the requested filename. + std::vector<std::string> subsubdirs; + if (found->second.empty()) + { + // subdir is not localized. filename should be located directly within it. + subsubdirs.push_back(""); + } + else + { + // subdir is localized, and found->second is the default language + // directory within it. Check both the default language and the + // current language -- if it differs from the default, of course. + subsubdirs.push_back(found->second); + if (mLanguage != found->second) + { + subsubdirs.push_back(mLanguage); + } + } + + // Build results vector. + std::vector<std::string> results; + // The process we use depends on 'constraint'. + if (constraint != CURRENT_SKIN) // meaning ALL_SKINS + { + // ALL_SKINS is simpler: just return every pathname generated by + // walkSearchSkinDirs(). Tricky bit: walkSearchSkinDirs() passes its + // FUNCTION the subsubdir as well as the full pathname. We just want + // the full pathname. + walkSearchSkinDirs(subdir, subsubdirs, filename, + boost::bind(push_back, boost::ref(results), _2)); + } + else // CURRENT_SKIN + { + // CURRENT_SKIN turns out to be a bit of a misnomer because we might + // still return files from two different skins. In any case, this + // value of 'constraint' means we will return at most two paths: one + // for the default language, one for the current language (supposing + // those differ). + // It is important to allow a user to override only the localization + // for a particular file, for all viewer installs, without also + // overriding the default-language file. + // It is important to allow a user to override only the default- + // language file, for all viewer installs, without also overriding the + // applicable localization of that file. + // Therefore, treat the default language and the current language as + // two separate cases. For each, capture the most-specialized file + // that exists. + // Use a map keyed by subsubdir (i.e. language code). This allows us + // to handle the case of a single subsubdirs entry with the same logic + // that handles two. For every real file path generated by + // walkSearchSkinDirs(), update the map entry for its subsubdir. + StringMap path_for; + walkSearchSkinDirs(subdir, subsubdirs, filename, + boost::bind(store_in_map, boost::ref(path_for), _1, _2)); + // Now that we have a path for each of the default language and the + // current language, copy them -- in proper order -- into results. + // Don't drive this by walking the map itself: it matters that we + // generate results in the same order as subsubdirs. + BOOST_FOREACH(std::string subsubdir, subsubdirs) + { + StringMap::const_iterator found(path_for.find(subsubdir)); + if (found != path_for.end()) + { + results.push_back(found->second); + } + } + } - std::string found_file = findFile(filename, search_paths); - return found_file; + LL_DEBUGS("LLDir") << empty; + const char* comma = ""; + BOOST_FOREACH(std::string path, results) + { + LL_CONT << comma << "'" << path << "'"; + comma = ", "; + } + LL_CONT << LL_ENDL; + + return results; } std::string LLDir::getTempFilename() const @@ -546,12 +756,7 @@ std::string LLDir::getTempFilename() const random_uuid.generate(); random_uuid.toString(uuid_str); - std::string temp_filename = getTempDir(); - temp_filename += mDirDelimiter; - temp_filename += uuid_str; - temp_filename += ".tmp"; - - return temp_filename; + return add(getTempDir(), uuid_str + ".tmp"); } // static @@ -587,9 +792,7 @@ void LLDir::setLindenUserDir(const std::string &username) std::string userlower(username); LLStringUtil::toLower(userlower); LLStringUtil::replaceChar(userlower, ' ', '_'); - mLindenUserDir = getOSUserAppDir(); - mLindenUserDir += mDirDelimiter; - mLindenUserDir += userlower; + mLindenUserDir = add(getOSUserAppDir(), userlower); } else { @@ -621,9 +824,7 @@ void LLDir::setPerAccountChatLogsDir(const std::string &username) std::string userlower(username); LLStringUtil::toLower(userlower); LLStringUtil::replaceChar(userlower, ' ', '_'); - mPerAccountChatLogsDir = getChatLogsDir(); - mPerAccountChatLogsDir += mDirDelimiter; - mPerAccountChatLogsDir += userlower; + mPerAccountChatLogsDir = add(getChatLogsDir(), userlower); } else { @@ -632,25 +833,59 @@ void LLDir::setPerAccountChatLogsDir(const std::string &username) } -void LLDir::setSkinFolder(const std::string &skin_folder) +void LLDir::setSkinFolder(const std::string &skin_folder, const std::string& language) { - mSkinDir = getSkinBaseDir(); - mSkinDir += mDirDelimiter; - mSkinDir += skin_folder; + LL_DEBUGS("LLDir") << "Setting skin '" << skin_folder << "', language '" << language << "'" + << LL_ENDL; + mSkinName = skin_folder; + mLanguage = language; - // user modifications to current skin - // e.g. c:\documents and settings\users\username\application data\second life\skins\dazzle - mUserSkinDir = getOSUserAppDir(); - mUserSkinDir += mDirDelimiter; - mUserSkinDir += "skins"; - mUserSkinDir += mDirDelimiter; - mUserSkinDir += skin_folder; + // This method is called multiple times during viewer initialization. Each + // time it's called, reset mSearchSkinDirs. + mSearchSkinDirs.clear(); // base skin which is used as fallback for all skinned files // e.g. c:\program files\secondlife\skins\default mDefaultSkinDir = getSkinBaseDir(); - mDefaultSkinDir += mDirDelimiter; - mDefaultSkinDir += "default"; + append(mDefaultSkinDir, "default"); + // This is always the most general of the search skin directories. + addSearchSkinDir(mDefaultSkinDir); + + mSkinDir = getSkinBaseDir(); + append(mSkinDir, skin_folder); + // Next level of generality is a skin installed with the viewer. + addSearchSkinDir(mSkinDir); + + // user modifications to skins, current and default + // e.g. c:\documents and settings\users\username\application data\second life\skins\dazzle + mUserSkinDir = getOSUserAppDir(); + append(mUserSkinDir, "skins"); + mUserDefaultSkinDir = mUserSkinDir; + append(mUserDefaultSkinDir, "default"); + append(mUserSkinDir, skin_folder); + // Next level of generality is user modifications to default skin... + addSearchSkinDir(mUserDefaultSkinDir); + // then user-defined skins. + addSearchSkinDir(mUserSkinDir); +} + +void LLDir::addSearchSkinDir(const std::string& skindir) +{ + if (std::find(mSearchSkinDirs.begin(), mSearchSkinDirs.end(), skindir) == mSearchSkinDirs.end()) + { + LL_DEBUGS("LLDir") << "search skin: '" << skindir << "'" << LL_ENDL; + mSearchSkinDirs.push_back(skindir); + } +} + +std::string LLDir::getSkinFolder() const +{ + return mSkinName; +} + +std::string LLDir::getLanguage() const +{ + return mLanguage; } bool LLDir::setCacheDir(const std::string &path) @@ -664,7 +899,7 @@ bool LLDir::setCacheDir(const std::string &path) else { LLFile::mkdir(path); - std::string tempname = path + mDirDelimiter + "temp"; + std::string tempname = add(path, "temp"); LLFILE* file = LLFile::fopen(tempname,"wt"); if (file) { @@ -697,6 +932,57 @@ void LLDir::dumpCurrentDirectories() LL_DEBUGS2("AppInit","Directories") << " SkinDir: " << getSkinDir() << LL_ENDL; } +std::string LLDir::add(const std::string& path, const std::string& name) const +{ + std::string destpath(path); + append(destpath, name); + return destpath; +} + +void LLDir::append(std::string& destpath, const std::string& name) const +{ + // Delegate question of whether we need a separator to helper method. + SepOff sepoff(needSep(destpath, name)); + if (sepoff.first) // do we need a separator? + { + destpath += mDirDelimiter; + } + // If destpath ends with a separator, AND name starts with one, skip + // name's leading separator. + destpath += name.substr(sepoff.second); +} + +LLDir::SepOff LLDir::needSep(const std::string& path, const std::string& name) const +{ + if (path.empty() || name.empty()) + { + // If either path or name are empty, we do not need a separator + // between them. + return SepOff(false, 0); + } + // Here we know path and name are both non-empty. But if path already ends + // with a separator, or if name already starts with a separator, we need + // not add one. + std::string::size_type seplen(mDirDelimiter.length()); + bool path_ends_sep(path.substr(path.length() - seplen) == mDirDelimiter); + bool name_starts_sep(name.substr(0, seplen) == mDirDelimiter); + if ((! path_ends_sep) && (! name_starts_sep)) + { + // If neither path nor name brings a separator to the junction, then + // we need one. + return SepOff(true, 0); + } + if (path_ends_sep && name_starts_sep) + { + // But if BOTH path and name bring a separator, we need not add one. + // Moreover, we should actually skip the leading separator of 'name'. + return SepOff(false, seplen); + } + // Here we know that either path_ends_sep or name_starts_sep is true -- + // but not both. So don't add a separator, and don't skip any characters: + // simple concatenation will do the trick. + return SepOff(false, 0); +} void dir_exists_or_crash(const std::string &dir_name) { diff --git a/indra/llvfs/lldir.h b/indra/llvfs/lldir.h index 3b1883b5d8..c60d3ef3a2 100644 --- a/indra/llvfs/lldir.h +++ b/indra/llvfs/lldir.h @@ -56,7 +56,7 @@ typedef enum ELLPath LL_PATH_LAST } ELLPath; - +/// Directory operations class LLDir { public: @@ -100,9 +100,10 @@ class LLDir 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 &getDefaultSkinDir() const; // folder for default skin. e.g. c:\program files\second life\skins\default 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 @@ -117,10 +118,61 @@ class LLDir 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(), getSkinDir(), getDefaultSkinDir() - std::string findSkinnedFilename(const std::string &filename) const; - std::string findSkinnedFilename(const std::string &subdir, const std::string &filename) const; - std::string findSkinnedFilename(const std::string &subdir1, const std::string &subdir2, const std::string &filename) const; + // 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; @@ -132,15 +184,37 @@ class LLDir 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); + 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 dumpCurrentDirectories(); - + // 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; + /// Append specified @a name to @a path, separated by getDirDelimiter() + /// if both are non-empty. Return result, leaving @a path unmodified. + std::string add(const std::string& path, const std::string& name) const; + 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 @@ -158,10 +232,18 @@ protected: 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 mSkinDir; // Location for current skin info. 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 }; diff --git a/indra/llvfs/tests/lldir_test.cpp b/indra/llvfs/tests/lldir_test.cpp index ea321c5ae9..323f876c12 100644 --- a/indra/llvfs/tests/lldir_test.cpp +++ b/indra/llvfs/tests/lldir_test.cpp @@ -27,11 +27,167 @@ #include "linden_common.h" +#include "llstring.h" +#include "tests/StringVec.h" #include "../lldir.h" #include "../lldiriterator.h" #include "../test/lltut.h" +#include "stringize.h" +#include <boost/foreach.hpp> +#include <boost/assign/list_of.hpp> + +using boost::assign::list_of; + +// We use ensure_equals(..., vec(list_of(...))) not because it's functionally +// required, but because ensure_equals() knows how to format a StringVec. +// Turns out that when ensure_equals() displays a test failure with just +// list_of("string")("another"), you see 'stringanother' vs. '("string", +// "another")'. +StringVec vec(const StringVec& v) +{ + return v; +} +// For some tests, use a dummy LLDir that uses memory data instead of touching +// the filesystem +struct LLDir_Dummy: public LLDir +{ + /*----------------------------- LLDir API ------------------------------*/ + LLDir_Dummy() + { + // Initialize important LLDir data members based on the filesystem + // data below. + mDirDelimiter = "/"; + mExecutableDir = "install"; + mExecutableFilename = "test"; + mExecutablePathAndName = add(mExecutableDir, mExecutableFilename); + mWorkingDir = mExecutableDir; + mAppRODataDir = "install"; + mSkinBaseDir = add(mAppRODataDir, "skins"); + mOSUserDir = "user"; + mOSUserAppDir = mOSUserDir; + mLindenUserDir = ""; + + // Make the dummy filesystem look more or less like what we expect in + // the real one. + static const char* preload[] = + { + // We group these fixture-data pathnames by basename, rather than + // sorting by full path as you might expect, because the outcome + // of each test strongly depends on which skins/languages provide + // a given basename. + "install/skins/default/colors.xml", + "install/skins/steam/colors.xml", + "user/skins/default/colors.xml", + "user/skins/steam/colors.xml", + + "install/skins/default/xui/en/strings.xml", + "install/skins/default/xui/fr/strings.xml", + "install/skins/steam/xui/en/strings.xml", + "install/skins/steam/xui/fr/strings.xml", + "user/skins/default/xui/en/strings.xml", + "user/skins/default/xui/fr/strings.xml", + "user/skins/steam/xui/en/strings.xml", + "user/skins/steam/xui/fr/strings.xml", + + "install/skins/default/xui/en/floater.xml", + "install/skins/default/xui/fr/floater.xml", + "user/skins/default/xui/fr/floater.xml", + + "install/skins/default/xui/en/newfile.xml", + "install/skins/default/xui/fr/newfile.xml", + "user/skins/default/xui/en/newfile.xml", + + "install/skins/default/html/en-us/welcome.html", + "install/skins/default/html/fr/welcome.html", + + "install/skins/default/textures/only_default.jpeg", + "install/skins/steam/textures/only_steam.jpeg", + "user/skins/default/textures/only_user_default.jpeg", + "user/skins/steam/textures/only_user_steam.jpeg", + + "install/skins/default/future/somefile.txt" + }; + BOOST_FOREACH(const char* path, preload) + { + buildFilesystem(path); + } + } + + virtual ~LLDir_Dummy() {} + + virtual void initAppDirs(const std::string& app_name, const std::string& app_read_only_data_dir) + { + // Implement this when we write a test that needs it + } + + virtual std::string getCurPath() + { + // Implement this when we write a test that needs it + return ""; + } + + virtual U32 countFilesInDir(const std::string& dirname, const std::string& mask) + { + // Implement this when we write a test that needs it + return 0; + } + + virtual BOOL fileExists(const std::string& pathname) const + { + // Record fileExists() calls so we can check whether caching is + // working right. Certain LLDir calls should be able to make decisions + // without calling fileExists() again, having already checked existence. + mChecked.insert(pathname); + // For our simple flat set of strings, see whether the identical + // pathname exists in our set. + return (mFilesystem.find(pathname) != mFilesystem.end()); + } + + virtual std::string getLLPluginLauncher() + { + // Implement this when we write a test that needs it + return ""; + } + + virtual std::string getLLPluginFilename(std::string base_name) + { + // Implement this when we write a test that needs it + return ""; + } + + /*----------------------------- Dummy data -----------------------------*/ + void clearFilesystem() { mFilesystem.clear(); } + void buildFilesystem(const std::string& path) + { + // Split the pathname on slashes, ignoring leading, trailing, doubles + StringVec components; + LLStringUtil::getTokens(path, components, "/"); + // Ensure we have an entry representing every level of this path + std::string partial; + BOOST_FOREACH(std::string component, components) + { + append(partial, component); + mFilesystem.insert(partial); + } + } + + void clear_checked() { mChecked.clear(); } + void ensure_checked(const std::string& pathname) const + { + tut::ensure(STRINGIZE(pathname << " was not checked but should have been"), + mChecked.find(pathname) != mChecked.end()); + } + void ensure_not_checked(const std::string& pathname) const + { + tut::ensure(STRINGIZE(pathname << " was checked but should not have been"), + mChecked.find(pathname) == mChecked.end()); + } + + std::set<std::string> mFilesystem; + mutable std::set<std::string> mChecked; +}; namespace tut { @@ -419,5 +575,193 @@ namespace tut LLFile::rmdir(dir1); LLFile::rmdir(dir2); } -} + template<> template<> + void LLDirTest_object_t::test<6>() + { + set_test_name("findSkinnedFilenames()"); + LLDir_Dummy lldir; + /*------------------------ "default", "en" -------------------------*/ + // Setting "default" means we shouldn't consider any "*/skins/steam" + // directories; setting "en" means we shouldn't consider any "xui/fr" + // directories. + lldir.setSkinFolder("default", "en"); + ensure_equals(lldir.getSkinFolder(), "default"); + ensure_equals(lldir.getLanguage(), "en"); + + // top-level directory of a skin isn't localized + ensure_equals(lldir.findSkinnedFilenames(LLDir::SKINBASE, "colors.xml", LLDir::ALL_SKINS), + vec(list_of("install/skins/default/colors.xml") + ("user/skins/default/colors.xml"))); + // We should not have needed to check for skins/default/en. We should + // just "know" that SKINBASE is not localized. + lldir.ensure_not_checked("install/skins/default/en"); + + ensure_equals(lldir.findSkinnedFilenames(LLDir::TEXTURES, "only_default.jpeg"), + vec(list_of("install/skins/default/textures/only_default.jpeg"))); + // Nor should we have needed to check skins/default/textures/en + // because textures is known not to be localized. + lldir.ensure_not_checked("install/skins/default/textures/en"); + + StringVec expected(vec(list_of("install/skins/default/xui/en/strings.xml") + ("user/skins/default/xui/en/strings.xml"))); + ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml", LLDir::ALL_SKINS), + expected); + // The first time, we had to probe to find out whether xui was localized. + lldir.ensure_checked("install/skins/default/xui/en"); + lldir.clear_checked(); + // Now make the same call again -- should return same result -- + ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml", LLDir::ALL_SKINS), + expected); + // but this time it should remember that xui is localized. + lldir.ensure_not_checked("install/skins/default/xui/en"); + + // localized subdir with "en-us" instead of "en" + ensure_equals(lldir.findSkinnedFilenames("html", "welcome.html"), + vec(list_of("install/skins/default/html/en-us/welcome.html"))); + lldir.ensure_checked("install/skins/default/html/en"); + lldir.ensure_checked("install/skins/default/html/en-us"); + lldir.clear_checked(); + ensure_equals(lldir.findSkinnedFilenames("html", "welcome.html"), + vec(list_of("install/skins/default/html/en-us/welcome.html"))); + lldir.ensure_not_checked("install/skins/default/html/en"); + lldir.ensure_not_checked("install/skins/default/html/en-us"); + + ensure_equals(lldir.findSkinnedFilenames("future", "somefile.txt"), + vec(list_of("install/skins/default/future/somefile.txt"))); + // Test probing for an unrecognized unlocalized future subdir. + lldir.ensure_checked("install/skins/default/future/en"); + lldir.clear_checked(); + ensure_equals(lldir.findSkinnedFilenames("future", "somefile.txt"), + vec(list_of("install/skins/default/future/somefile.txt"))); + // Second time it should remember that future is unlocalized. + lldir.ensure_not_checked("install/skins/default/future/en"); + + // When language is set to "en", requesting an html file pulls up the + // "en-us" version -- not because it magically matches those strings, + // but because there's no "en" localization and it falls back on the + // default "en-us"! Note that it would probably still be better to + // make the default localization be "en" and allow "en-gb" (or + // whatever) localizations, which would work much more the way you'd + // expect. + ensure_equals(lldir.findSkinnedFilenames("html", "welcome.html"), + vec(list_of("install/skins/default/html/en-us/welcome.html"))); + + /*------------------------ "default", "fr" -------------------------*/ + // We start being able to distinguish localized subdirs from + // unlocalized when we ask for a non-English language. + lldir.setSkinFolder("default", "fr"); + ensure_equals(lldir.getLanguage(), "fr"); + + // pass merge=true to request this filename in all relevant skins + ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml", LLDir::ALL_SKINS), + vec(list_of + ("install/skins/default/xui/en/strings.xml") + ("install/skins/default/xui/fr/strings.xml") + ("user/skins/default/xui/en/strings.xml") + ("user/skins/default/xui/fr/strings.xml"))); + + // pass (or default) merge=false to request only most specific skin + ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml"), + vec(list_of + ("user/skins/default/xui/en/strings.xml") + ("user/skins/default/xui/fr/strings.xml"))); + + // Our dummy floater.xml has a user localization (for "fr") but no + // English override. This is a case in which CURRENT_SKIN nonetheless + // returns paths from two different skins. + ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "floater.xml"), + vec(list_of + ("install/skins/default/xui/en/floater.xml") + ("user/skins/default/xui/fr/floater.xml"))); + + // Our dummy newfile.xml has an English override but no user + // localization. This is another case in which CURRENT_SKIN + // nonetheless returns paths from two different skins. + ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "newfile.xml"), + vec(list_of + ("user/skins/default/xui/en/newfile.xml") + ("install/skins/default/xui/fr/newfile.xml"))); + + ensure_equals(lldir.findSkinnedFilenames("html", "welcome.html"), + vec(list_of + ("install/skins/default/html/en-us/welcome.html") + ("install/skins/default/html/fr/welcome.html"))); + + /*------------------------ "default", "zh" -------------------------*/ + lldir.setSkinFolder("default", "zh"); + // Because strings.xml has only a "fr" override but no "zh" override + // in any skin, the most localized version we can find is "en". + ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml"), + vec(list_of("user/skins/default/xui/en/strings.xml"))); + + /*------------------------- "steam", "en" --------------------------*/ + lldir.setSkinFolder("steam", "en"); + + ensure_equals(lldir.findSkinnedFilenames(LLDir::SKINBASE, "colors.xml", LLDir::ALL_SKINS), + vec(list_of + ("install/skins/default/colors.xml") + ("install/skins/steam/colors.xml") + ("user/skins/default/colors.xml") + ("user/skins/steam/colors.xml"))); + + ensure_equals(lldir.findSkinnedFilenames(LLDir::TEXTURES, "only_default.jpeg"), + vec(list_of("install/skins/default/textures/only_default.jpeg"))); + + ensure_equals(lldir.findSkinnedFilenames(LLDir::TEXTURES, "only_steam.jpeg"), + vec(list_of("install/skins/steam/textures/only_steam.jpeg"))); + + ensure_equals(lldir.findSkinnedFilenames(LLDir::TEXTURES, "only_user_default.jpeg"), + vec(list_of("user/skins/default/textures/only_user_default.jpeg"))); + + ensure_equals(lldir.findSkinnedFilenames(LLDir::TEXTURES, "only_user_steam.jpeg"), + vec(list_of("user/skins/steam/textures/only_user_steam.jpeg"))); + + // CURRENT_SKIN + ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml"), + vec(list_of("user/skins/steam/xui/en/strings.xml"))); + + // pass constraint=ALL_SKINS to request this filename in all relevant skins + ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml", LLDir::ALL_SKINS), + vec(list_of + ("install/skins/default/xui/en/strings.xml") + ("install/skins/steam/xui/en/strings.xml") + ("user/skins/default/xui/en/strings.xml") + ("user/skins/steam/xui/en/strings.xml"))); + + /*------------------------- "steam", "fr" --------------------------*/ + lldir.setSkinFolder("steam", "fr"); + + // pass CURRENT_SKIN to request only the most specialized files + ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml"), + vec(list_of + ("user/skins/steam/xui/en/strings.xml") + ("user/skins/steam/xui/fr/strings.xml"))); + + // pass ALL_SKINS to request this filename in all relevant skins + ensure_equals(lldir.findSkinnedFilenames(LLDir::XUI, "strings.xml", LLDir::ALL_SKINS), + vec(list_of + ("install/skins/default/xui/en/strings.xml") + ("install/skins/default/xui/fr/strings.xml") + ("install/skins/steam/xui/en/strings.xml") + ("install/skins/steam/xui/fr/strings.xml") + ("user/skins/default/xui/en/strings.xml") + ("user/skins/default/xui/fr/strings.xml") + ("user/skins/steam/xui/en/strings.xml") + ("user/skins/steam/xui/fr/strings.xml"))); + } + + template<> template<> + void LLDirTest_object_t::test<7>() + { + set_test_name("add()"); + LLDir_Dummy lldir; + ensure_equals("both empty", lldir.add("", ""), ""); + ensure_equals("path empty", lldir.add("", "b"), "b"); + ensure_equals("name empty", lldir.add("a", ""), "a"); + ensure_equals("both simple", lldir.add("a", "b"), "a/b"); + ensure_equals("name leading slash", lldir.add("a", "/b"), "a/b"); + ensure_equals("path trailing slash", lldir.add("a/", "b"), "a/b"); + ensure_equals("both bring slashes", lldir.add("a/", "/b"), "a/b"); + } +} |