libyui
3.0.10
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00001 /* 00002 Copyright (C) 2000-2012 Novell, Inc 00003 This library is free software; you can redistribute it and/or modify 00004 it under the terms of the GNU Lesser General Public License as 00005 published by the Free Software Foundation; either version 2.1 of the 00006 License, or (at your option) version 3.0 of the License. This library 00007 is distributed in the hope that it will be useful, but WITHOUT ANY 00008 WARRANTY; without even the implied warranty of MERCHANTABILITY or 00009 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00010 License for more details. You should have received a copy of the GNU 00011 Lesser General Public License along with this library; if not, write 00012 to the Free Software Foundation, Inc., 51 Franklin Street, Fifth 00013 Floor, Boston, MA 02110-1301 USA 00014 */ 00015 00016 00017 /*-/ 00018 00019 File: YEnvVar.h 00020 00021 Author: Stefan Hundhammer <sh@suse.de> 00022 00023 /-*/ 00024 00025 #ifndef YEnvVar_h 00026 #define YEnvVar_h 00027 00028 #include <string> 00029 #include <iosfwd> 00030 00031 00032 00033 /** 00034 * Helper class to represent an environment variable and its value. 00035 **/ 00036 class YEnvVar 00037 { 00038 public: 00039 /** 00040 * Constructor: 00041 * Retrieve the environment variable 'name' and store the value 00042 * (unless 'name' is empty). 00043 **/ 00044 YEnvVar( const std::string & name = std::string() ); 00045 00046 /** 00047 * Return the name of the environment variable. 00048 **/ 00049 std::string name() const { return _name; } 00050 00051 /** 00052 * Return 'true' if the environment variable is set. 00053 **/ 00054 bool isSet() const { return _isSet; } 00055 00056 /** 00057 * Return the value of the environment variable. 00058 **/ 00059 std::string value() const { return _value; } 00060 00061 /** 00062 * Return 'true' if the environment variable is set and the value is 00063 * 'str'. 00064 **/ 00065 bool isEqual( const std::string & str, bool caseSensitive = false ) const; 00066 00067 /** 00068 * Case-insensitive comparison (shortcut for isEqual() ): 00069 * Return 'true' if the environment variable is set and the value is 00070 * 'str'. 00071 **/ 00072 bool operator==( const std::string & str ) const 00073 { return isEqual( str ); } 00074 00075 /** 00076 * Return 'true' if the environment variable is set and the value contains 00077 * 'str'. 00078 **/ 00079 bool contains( const std::string & str, bool caseSensitive = false ) const; 00080 00081 00082 private: 00083 00084 std::string _name; 00085 std::string _value; 00086 bool _isSet; 00087 }; 00088 00089 00090 /** 00091 * Stream output for YEnvVar 00092 **/ 00093 std::ostream & operator<<( std::ostream & stream, const YEnvVar env ); 00094 00095 00096 /** 00097 * Return 'str' converted to lower case. 00098 **/ 00099 std::string tolower( const std::string & str ); 00100 00101 00102 #endif // YEnvVar_h