tools.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2013-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "fs/virtfs/tools.h"
 
#include "logger.h"
 
#include "fs/paths.h"
 
#include "fs/virtfs/fs.h"
#include "fs/virtfs/list.h"
 
#include "utils/foreach.h"
#include "utils/stringutils.h"
 
#include <algorithm>
#include <sstream>
 
#include "debug.h"
 
namespace VirtFs
{
 void searchAndAddArchives(const std::string &restrict path,
 const std::string &restrict ext,
 const Append append)
 {
 List *const list = VirtFs::enumerateFiles(path);
 FOR_EACH (StringVectCIter, i, list->names)
 {
 const std::string str = *i;
 const size_t len = str.size();
 
 if (len > ext.length() &&
 ext == str.substr(len - ext.length()))
 {
 const std::string file = path + str;
 const std::string realPath = VirtFs::getRealDir(file);
 VirtFs::mountZip(pathJoin(realPath, file), append);
 }
 }
 VirtFs::freeList(list);
 }
 
 void searchAndRemoveArchives(const std::string &restrict path,
 const std::string &restrict ext)
 {
 List *const list = VirtFs::enumerateFiles(path);
 FOR_EACH (StringVectCIter, i, list->names)
 {
 const std::string str = *i;
 const size_t len = str.size();
 if (len > ext.length() &&
 ext == str.substr(len - ext.length()))
 {
 const std::string file = path + str;
 const std::string realPath = VirtFs::getRealDir(file);
 VirtFs::unmountZip(pathJoin(realPath, file));
 }
 }
 VirtFs::freeList(list);
 }
 
 void getFilesInDir(const std::string &dir,
 StringVect &list,
 const std::string &ext)
 {
 const std::string &path = dir;
 StringVect tempList;
 VirtFs::getFilesWithDir(path, tempList);
 FOR_EACH (StringVectCIter, it, tempList)
 {
 const std::string &str = *it;
 if (findLast(str, ext))
 list.push_back(str);
 }
 std::sort(list.begin(), list.end());
 }
 
 std::string getPath(const std::string &file)
 {
 // get the real path to the file
 const std::string tmp = VirtFs::getRealDir(file);
 std::string path;
 
 // if the file is not in the search path, then its empty
 if (!tmp.empty())
 {
 path = pathJoin(tmp, file);
#if defined __native_client__
 std::string dataZip = "/http/data.zip/";
 if (path.substr(0, dataZip.length()) == dataZip)
 path = path.replace(0, dataZip.length(), "/http/data/");
#endif // defined __native_client__
 }
 else
 {
 // if not found in search path return the default path
 path = pathJoin(getPackageDir(), file);
 }
 
 return path;
 }
 
 std::string loadTextFileString(const std::string &fileName)
 {
 int contentsLength;
 const char *fileContents = VirtFs::loadFile(fileName, contentsLength);
 
 if (fileContents == nullptr)
 {
 logger->log("Couldn't load text file: %s", fileName.c_str());
 return std::string();
 }
 const std::string str = std::string(fileContents, contentsLength);
 delete [] fileContents;
 return str;
 }
 
 bool loadTextFile(const std::string &fileName,
 StringVect &lines)
 {
 int contentsLength;
 const char *fileContents = VirtFs::loadFile(fileName, contentsLength);
 
 if (fileContents == nullptr)
 {
 logger->log("Couldn't load text file: %s", fileName.c_str());
 return false;
 }
 
 std::istringstream iss(std::string(fileContents, contentsLength));
 std::string line;
 
 while (getline(iss, line))
 lines.push_back(line);
 
 delete [] fileContents;
 return true;
 }
} // namespace VirtFs