Fawkes API
Fawkes Development Version
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00001 00002 /*************************************************************************** 00003 * pathparser.cpp - Header for path parser 00004 * 00005 * Created: Mon Jul 07 13:25:10 2008 00006 * Copyright 2008 Tim Niemueller [www.niemueller.de] 00007 * 00008 ****************************************************************************/ 00009 00010 /* This program is free software; you can redistribute it and/or modify 00011 * it under the terms of the GNU General Public License as published by 00012 * the Free Software Foundation; either version 2 of the License, or 00013 * (at your option) any later version. A runtime exception applies to 00014 * this software (see LICENSE.GPL_WRE file mentioned below for details). 00015 * 00016 * This program is distributed in the hope that it will be useful, 00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 * GNU Library General Public License for more details. 00020 * 00021 * Read the full text in the LICENSE.GPL_WRE file in the doc directory. 00022 */ 00023 00024 #include <utils/system/pathparser.h> 00025 00026 #include <cstring> 00027 #include <cstdlib> 00028 #include <cstdio> 00029 00030 using namespace std; 00031 00032 namespace fawkes { 00033 00034 /** @class PathParser <utils/system/pathparser.h> 00035 * Path parser. 00036 * Parses a given (Unix) file system path and provides the elements and vector 00037 * elements. 00038 * @author Tim Niemueller 00039 */ 00040 00041 /** Constructor (C++ string). 00042 * @param path path to parse 00043 */ 00044 PathParser::PathParser(std::string &path) 00045 { 00046 ctor(path); 00047 } 00048 00049 00050 /** Constructor (C string). 00051 * @param path path to parse 00052 */ 00053 PathParser::PathParser(const char *path) 00054 { 00055 std::string spath = path; 00056 ctor(spath); 00057 } 00058 00059 00060 void 00061 PathParser::ctor(const std::string &path) 00062 { 00063 __abs_path = false; 00064 00065 char *p = strdup(path.c_str()); 00066 char *saveptr; 00067 char *r = strtok_r(p, "/", &saveptr); 00068 00069 if ( ! r ) { 00070 // single string, no slash, does not end with slash 00071 push_back(p); 00072 } else { 00073 __abs_path = ( r != p ); 00074 00075 while ( r ) { 00076 if ( strlen(r) > 0 ) { 00077 push_back(r); 00078 } 00079 r = strtok_r(NULL, "/", &saveptr); 00080 } 00081 } 00082 00083 free(p); 00084 } 00085 00086 00087 /** Debug print to stdout. */ 00088 void 00089 PathParser::print_debug() 00090 { 00091 for (size_type i = 0; i < size(); ++i) { 00092 printf("Path element: %s\n", ((*this)[i]).c_str()); 00093 } 00094 } 00095 00096 /** Get path as string. 00097 * Joins the path elements to one path again. 00098 * @return path as string 00099 */ 00100 std::string 00101 PathParser::path_as_string() 00102 { 00103 string rv = __abs_path ? "/" : ""; 00104 00105 size_type sz = size(); 00106 00107 if ( sz > 0 ) { 00108 rv += (*this)[0]; 00109 } 00110 00111 for (size_type i = 1; i < sz; ++i) { 00112 rv += "/" + (*this)[i]; 00113 } 00114 00115 return rv; 00116 } 00117 00118 00119 /** Check if path is absolute. 00120 * @return true if path is absolute, false otherwise 00121 */ 00122 bool 00123 PathParser::is_absolute() const 00124 { 00125 return __abs_path; 00126 } 00127 00128 } // end namespace fawkes