validity.hpp

   1 /**********************************************************************
   2  * Title: Anagram
   3  * Description: Application for finding anagrams of a word
   4  * Author: Agnibho Mondal
   5  * Website: http://code.agnibho.com/anagram
   6  **********************************************************************
   7    Copyright (c) 2013-2015 Agnibho Mondal
   8    All rights reserved
   9  **********************************************************************
  10    This file is part of Anagram.
  11
  12    Anagram is free software: you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation, either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    Anagram is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with Anagram.  If not, see <http://www.gnu.org/licenses/>.
  24  **********************************************************************/
  25 #ifndef VALIDITY
  26 #define VALIDITY
  27
  28 /*
  29  * Provides a function for checking validity of the word.
  30  */
  31
  32 #include <string> //For string
  33 #include <cctype> //For isalpha, isblank
  34
  35 bool is_valid(std::string word, bool multi){ //Checks the validity of the provided word. Allows multiline if <multi> is true.
  36   bool flag=true; //Flag is true by default. Set to false if invalidity is encountered later.
  37   if(multi){ //Multi-word
  38     for(int i=0; i<word.length(); i++){
  39       if(!(isalpha(word[i]) || isblank(word[i]))){ //Multi-word allows space seperated words.
  40         flag=false;
  41       }
  42     }
  43   }
  44   else{ //Single word
  45     for(int i=0; i<word.length(); i++){
  46       if(!(isalpha(word[i]))){ //Only alphabetic characters are allowed.
  47         flag=false;
  48       }
  49     }
  50   }
  51   return flag;
  52 }
  53
  54 #endif //VALIDITY