diff options
Diffstat (limited to 'indra/llvfs')
| -rw-r--r-- | indra/llvfs/lldir_win32.cpp | 44 | ||||
| -rw-r--r-- | indra/llvfs/lldiriterator.cpp | 203 | ||||
| -rw-r--r-- | indra/llvfs/lldiriterator.h | 87 |
3 files changed, 314 insertions, 20 deletions
diff --git a/indra/llvfs/lldir_win32.cpp b/indra/llvfs/lldir_win32.cpp index 33718e520d..4e2a55f4b3 100644 --- a/indra/llvfs/lldir_win32.cpp +++ b/indra/llvfs/lldir_win32.cpp @@ -81,10 +81,11 @@ LLDir_Win32::LLDir_Win32() // fprintf(stderr, "mTempDir = <%s>",mTempDir); -#if 1 - // Don't use the real app path for now, as we'll have to add parsing to detect if - // we're in a developer tree, which has a different structure from the installed product. + // Set working directory, for LLDir::getWorkingDir() + GetCurrentDirectory(MAX_PATH, w_str); + mWorkingDir = utf16str_to_utf8str(llutf16string(w_str)); + // Set the executable directory S32 size = GetModuleFileName(NULL, w_str, MAX_PATH); if (size) { @@ -100,32 +101,35 @@ LLDir_Win32::LLDir_Win32() { mExecutableFilename = mExecutablePathAndName; } - GetCurrentDirectory(MAX_PATH, w_str); - mWorkingDir = utf16str_to_utf8str(llutf16string(w_str)); } else { fprintf(stderr, "Couldn't get APP path, assuming current directory!"); - GetCurrentDirectory(MAX_PATH, w_str); - mExecutableDir = utf16str_to_utf8str(llutf16string(w_str)); + mExecutableDir = mWorkingDir; // Assume it's the current directory } -#else - GetCurrentDirectory(MAX_PATH, w_str); - mExecutableDir = utf16str_to_utf8str(llutf16string(w_str)); -#endif - if (mExecutableDir.find("indra") == std::string::npos) + // mAppRODataDir = "."; + + // Determine the location of the App-Read-Only-Data + // Try the working directory then the exe's dir. + mAppRODataDir = mWorkingDir; + + +// if (mExecutableDir.find("indra") == std::string::npos) + + // *NOTE:Mani - It is a mistake to put viewer specific code in + // the LLDir implementation. The references to 'skins' and + // 'llplugin' need to go somewhere else. + // alas... this also gets called during static initialization + // time due to the construction of gDirUtil in lldir.cpp. + if(! LLFile::isdir(mAppRODataDir + mDirDelimiter + "skins")) { - // Running from installed directory. Make sure current - // directory isn't something crazy (e.g. if invoking from - // command line). - SetCurrentDirectory(utf8str_to_utf16str(mExecutableDir).c_str()); - GetCurrentDirectory(MAX_PATH, w_str); - mWorkingDir = utf16str_to_utf8str(llutf16string(w_str)); + // What? No skins in the working dir? + // Try the executable's directory. + mAppRODataDir = mExecutableDir; } - mAppRODataDir = mWorkingDir; llinfos << "mAppRODataDir = " << mAppRODataDir << llendl; @@ -249,7 +253,7 @@ BOOL LLDir_Win32::getNextFileInDir(const std::string &dirname, const std::string if (pathname != mCurrentDir) { // different dir specified, close old search - if (mCurrentDir[0]) + if (!mCurrentDir.empty()) { FindClose(mDirSearch_h); } diff --git a/indra/llvfs/lldiriterator.cpp b/indra/llvfs/lldiriterator.cpp new file mode 100644 index 0000000000..5536ed8f69 --- /dev/null +++ b/indra/llvfs/lldiriterator.cpp @@ -0,0 +1,203 @@ +/** + * @file lldiriterator.cpp + * @brief Iterator through directory entries matching the search pattern. + * + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ + * 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 + * $/LicenseInfo$ + */ + +#include "lldiriterator.h" + +#include <boost/filesystem.hpp> +#include <boost/regex.hpp> + +namespace fs = boost::filesystem; + +static std::string glob_to_regex(const std::string& glob); + +class LLDirIterator::Impl +{ +public: + Impl(const std::string &dirname, const std::string &mask); + ~Impl(); + + bool next(std::string &fname); + +private: + boost::regex mFilterExp; + fs::directory_iterator mIter; + bool mIsValid; +}; + +LLDirIterator::Impl::Impl(const std::string &dirname, const std::string &mask) + : mIsValid(false) +{ + fs::path dir_path(dirname); + + // Check if path exists. + if (!fs::exists(dir_path)) + { + llerrs << "Invalid path: \"" << dir_path.string() << "\"" << llendl; + return; + } + + // Initialize the directory iterator for the given path. + try + { + mIter = fs::directory_iterator(dir_path); + } + catch (fs::basic_filesystem_error<fs::path>& e) + { + llerrs << e.what() << llendl; + return; + } + + // Convert the glob mask to a regular expression + std::string exp = glob_to_regex(mask); + + // Initialize boost::regex with the expression converted from + // the glob mask. + // An exception is thrown if the expression is not valid. + try + { + mFilterExp.assign(exp); + } + catch (boost::regex_error& e) + { + llerrs << "\"" << exp << "\" is not a valid regular expression: " + << e.what() << llendl; + return; + } + + mIsValid = true; +} + +LLDirIterator::Impl::~Impl() +{ +} + +bool LLDirIterator::Impl::next(std::string &fname) +{ + fname = ""; + + if (!mIsValid) + { + llerrs << "The iterator is not correctly initialized." << llendl; + return false; + } + + fs::directory_iterator end_itr; // default construction yields past-the-end + bool found = false; + while (mIter != end_itr && !found) + { + boost::smatch match; + std::string name = mIter->path().filename(); + if (found = boost::regex_match(name, match, mFilterExp)) + { + fname = name; + } + + ++mIter; + } + + return found; +} + +std::string glob_to_regex(const std::string& glob) +{ + std::string regex; + regex.reserve(glob.size()<<1); + S32 braces = 0; + bool escaped = false; + bool square_brace_open = false; + + for (std::string::const_iterator i = glob.begin(); i != glob.end(); ++i) + { + char c = *i; + + switch (c) + { + case '.': + regex+="\\."; + break; + case '*': + if (glob.begin() == i) + { + regex+="[^.].*"; + } + else + { + regex+= escaped ? "*" : ".*"; + } + break; + case '?': + regex+= escaped ? '?' : '.'; + break; + case '{': + braces++; + regex+='('; + break; + case '}': + if (!braces) + { + llerrs << "glob_to_regex: Closing brace without an equivalent opening brace: " << glob << llendl; + } + + regex+=')'; + braces--; + break; + case ',': + regex+= braces ? '|' : c; + break; + case '!': + regex+= square_brace_open ? '^' : c; + break; + default: + regex+=c; + break; + } + + escaped = ('\\' == c); + square_brace_open = ('[' == c); + } + + if (braces) + { + llerrs << "glob_to_regex: Unterminated brace expression: " << glob << llendl; + } + + return regex; +} + +LLDirIterator::LLDirIterator(const std::string &dirname, const std::string &mask) +{ + mImpl = new Impl(dirname, mask); +} + +LLDirIterator::~LLDirIterator() +{ + delete mImpl; +} + +bool LLDirIterator::next(std::string &fname) +{ + return mImpl->next(fname); +} diff --git a/indra/llvfs/lldiriterator.h b/indra/llvfs/lldiriterator.h new file mode 100644 index 0000000000..0b48be41b3 --- /dev/null +++ b/indra/llvfs/lldiriterator.h @@ -0,0 +1,87 @@ +/** + * @file lldiriterator.h + * @brief Iterator through directory entries matching the search pattern. + * + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ + * 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_LLDIRITERATOR_H +#define LL_LLDIRITERATOR_H + +#include "linden_common.h" + +/** + * Class LLDirIterator + * + * Iterates through directory entries matching the search pattern. + */ +class LLDirIterator +{ +public: + /** + * Constructs LLDirIterator object to search for glob pattern + * matches in a directory. + * + * @param dirname - name of a directory to search in. + * @param mask - search pattern, a glob expression + * + * Wildcards supported in glob expressions: + * -------------------------------------------------------------- + * | Wildcard | Matches | + * -------------------------------------------------------------- + * | * |zero or more characters | + * | ? |exactly one character | + * | [abcde] |exactly one character listed | + * | [a-e] |exactly one character in the given range | + * | [!abcde] |any character that is not listed | + * | [!a-e] |any character that is not in the given range | + * | {abc,xyz} |exactly one entire word in the options given | + * -------------------------------------------------------------- + */ + LLDirIterator(const std::string &dirname, const std::string &mask); + + ~LLDirIterator(); + + /** + * Searches for the next directory entry matching the glob mask + * specified upon iterator construction. + * Returns true if a match is found, sets fname + * parameter to the name of the matched directory entry and + * increments the iterator position. + * + * Typical usage: + * <code> + * LLDirIterator iter(directory, pattern); + * if ( iter.next(scanResult) ) + * </code> + * + * @param fname - name of the matched directory entry. + * @return true if a match is found, false otherwise. + */ + bool next(std::string &fname); + +protected: + class Impl; + Impl* mImpl; +}; + +#endif //LL_LLDIRITERATOR_H |