tclap: ValuesConstraint.h Source File

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# ValuesConstraint.h

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    00001
    00002
    00003 /******************************************************************************
    00004  *
    00005  *  file:  ValuesConstraint.h
    00006  *
    00007  *  Copyright (c) 2005, Michael E. Smoot
    00008  *  All rights reverved.
    00009  *
    00010  *  See the file COPYING in the top directory of this distribution for
    00011  *  more information.
    00012  *
    00013  *  THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS
    00014  *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00015  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
    00016  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00017  *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    00018  *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    00019  *  DEALINGS IN THE SOFTWARE.
    00020  *
    00021  *****************************************************************************/
    00022
    00023 #ifndef TCLAP_VALUESCONSTRAINT_H
    00024 #define TCLAP_VALUESCONSTRAINT_H
    00025
    00026 #include <string>
    00027 #include <vector>
    00028 #include <tclap/Constraint.h>
    00029
    00030 #ifdef HAVE_CONFIG_H
    00031 #include <config.h>
    00032 #else
    00033 #define HAVE_SSTREAM
    00034 #endif
    00035
    00036 #if defined(HAVE_SSTREAM)
    00037 #include <sstream>
    00038 #elif defined(HAVE_STRSTREAM)
    00039 #include <strstream>
    00040 #else
    00041 #error "Need a stringstream (sstream or strstream) to compile!"
    00042 #endif
    00043
    00044 namespace TCLAP {
    00045
    00050 template<class T>
    00051 class ValuesConstraint : public Constraint<T>
    00052 {
    00053
    00054     public:
    00055
    00060         ValuesConstraint(std::vector<T>& allowed);
    00061
    00065         virtual ~ValuesConstraint() {}
    00066
    00070         virtual std::string description() const;
    00071
    00075         virtual std::string shortID() const;
    00076
    00082         virtual bool check(const T& value) const;
    00083
    00084     protected:
    00085
    00089         std::vector<T> _allowed;
    00090
    00094         std::string _typeDesc;
    00095
    00096 };
    00097
    00098 template<class T>
    00099 ValuesConstraint<T>::ValuesConstraint(std::vector<T>& allowed)
    00100 : _allowed(allowed),
    00101   _typeDesc("")
    00102 {
    00103     for ( unsigned int i = 0; i < _allowed.size(); i++ )
    00104     {
    00105
    00106 #if defined(HAVE_SSTREAM)
    00107         std::ostringstream os;
    00108 #elif defined(HAVE_STRSTREAM)
    00109         std::ostrstream os;
    00110 #else
    00111 #error "Need a stringstream (sstream or strstream) to compile!"
    00112 #endif
    00113
    00114         os << _allowed[i];
    00115
    00116         std::string temp( os.str() );
    00117
    00118         if ( i > 0 )
    00119             _typeDesc += "|";
    00120         _typeDesc += temp;
    00121     }
    00122 }
    00123
    00124 template<class T>
    00125 bool ValuesConstraint<T>::check( const T& val ) const
    00126 {
    00127     if ( std::find(_allowed.begin(),_allowed.end(),val) == _allowed.end() )
    00128         return false;
    00129     else
    00130         return true;
    00131 }
    00132
    00133 template<class T>
    00134 std::string ValuesConstraint<T>::shortID() const
    00135 {
    00136     return _typeDesc;
    00137 }
    00138
    00139 template<class T>
    00140 std::string ValuesConstraint<T>::description() const
    00141 {
    00142     return _typeDesc;
    00143 }
    00144
    00145
    00146 } //namespace TCLAP
    00147 #endif
    00148