iff.h

Go to the documentation of this file.

/******************************************************************************
 * Copyright 2022 Kristiyan Manev (University of Manchester)
 *
 * Licensed under the Apache License, Version 2.0(the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *****************************************************************************/
 
#ifndef STR_IFF_H
#define STR_IFF_H
 
#include<iostream>
#include<string>
#include<sstream>
 
/**************************************************************************/
namespace str{
    namespace iff {
        template<typename ... Rest> inline bool stringEndsWith(std::string checkedString)   
        {
            return false;
        }
        template<typename ... Rest> inline bool stringEndsWith(std::string checkedString, std::string nextString, Rest ... restStrings) 
        {
            if(checkedString.length() >= nextString.length())
                if(0 == checkedString.compare (checkedString.length() - nextString.length(), nextString.length(), nextString))
                    return true;
            return stringEndsWith(checkedString, restStrings...);
        }
        template<typename ... Rest> inline bool stringIs(std::string checkedString) 
        {
            return false;
        }
        template<typename ... Rest> inline bool stringIs(std::string checkedString, std::string nextString, Rest ... restStrings)   
        {
            if(checkedString == nextString)
                return true;
            return stringIs(checkedString, restStrings...);
        }
        template<typename ... Rest> inline bool stringContains(std::string checkedString)   
        {
            return false;
        }
        template<typename ... Rest> inline bool stringContains(std::string checkedString, std::string nextString, Rest ... restStrings) 
        {
            if(std::string::npos != checkedString.rfind(nextString))
                return true;
            return stringContains(checkedString, restStrings...);
        }
        template<typename ... Rest> inline bool stringBeginsWith(std::string checkedString) 
        {
            return false;
        }
        template<typename ... Rest> inline bool stringBeginsWith(std::string checkedString, std::string nextString, Rest ... restStrings)   
        {
            if(0 == checkedString.rfind(nextString, 0))
                return true;
            return stringBeginsWith(checkedString, restStrings...);
        }
        template<typename ... Rest> inline bool stringWordIs(std::string checkedString) 
        {
            return false;
        }
        template<typename ... Rest> inline bool stringWordIs(std::string checkedString, std::string nextString, Rest ... restStrings)   
        {
            if(checkedString == nextString)
                return true;
            return stringBeginsWith(checkedString, restStrings...);
        }
        template<typename ... Rest> inline bool firstStringWordIs(std::string checkedString, std::string nextString, Rest ... restStrings)  
        {
            std::stringstream ss(checkedString);
            std::string firstWord;
            ss >> firstWord;
            return stringWordIs(firstWord, nextString, restStrings...);
        }
        template<typename ... Rest> inline bool charIs(char checkedChar)    
        {
            return false;
        }
        template<typename ... Rest> inline bool charIs(char checkedChar, char nextChar, Rest ... restChars) 
        {
            if(checkedChar == nextChar)
                return true;
            return charIs(checkedChar, restChars...);
        }
    }
}
#endif //STR_IFF_H