mirror of https://github.com/kiwix/libkiwix.git
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/*
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* Copyright 2011 Emmanuel Engelhart <kelson@kiwix.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include "pathTools.h"
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bool isRelativePath(const string &path) {
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#ifdef _WIN32
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return path.empty() || path.substr(1, 2) == ":\\" ? false : true;
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#else
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return path.empty() || path.substr(0, 1) == "/" ? false : true;
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#endif
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}
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string computeAbsolutePath(const string libraryPath, const string relativePath) {
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#ifdef _WIN32
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string separator = "\\";
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#else
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string separator = "/";
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#endif
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string absolutePath = removeLastPathElement(libraryPath, true, false);
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char *cRelativePath = strdup(relativePath.c_str());
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char *token = strtok(cRelativePath, "/");
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while (token != NULL) {
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if (string(token) == "..") {
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absolutePath = removeLastPathElement(absolutePath, true, false);
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token = strtok(NULL, "/");
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} else if (token != "." && token != "") {
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absolutePath += string(token);
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token = strtok(NULL, "/");
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if (token != NULL)
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absolutePath += separator;
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} else {
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token = strtok(NULL, "/");
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}
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}
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return absolutePath;
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}
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string removeLastPathElement(const string path, const bool removePreSeparator, const bool removePostSeparator) {
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#ifdef _WIN32
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string separator = "\\";
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#else
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string separator = "/";
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#endif
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string newPath = path;
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size_t offset = newPath.find_last_of(separator);
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if (removePreSeparator && offset != newPath.find_first_of(separator) && offset == newPath.length()-1) {
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newPath = newPath.substr(0, offset);
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offset = newPath.find_last_of(separator);
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}
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newPath = removePostSeparator ? newPath.substr(0, offset) : newPath.substr(0, offset+1);
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return newPath;
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}
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unsigned int getFileSize(const string &path) {
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struct stat filestatus;
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stat(path.c_str(), &filestatus);
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return filestatus.st_size / 1024;
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}
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string getFileSizeAsString(const string &path) {
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char csize[42];
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sprintf(csize, "%u", getFileSize(path));
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return csize;
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}
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