X-Git-Url: https://code.agnibho.com/repo?a=blobdiff_plain;ds=sidebyside;f=anagram.cpp;fp=anagram.cpp;h=ed1d80b5723b90ea80823529a2434c6f9274ff82;hb=f6c467d15193ab9d13bf3306761159b4f1be2354;hp=0000000000000000000000000000000000000000;hpb=b59e071ca231d2dc08e9be7cca8f491738970ed4;p=anagram.git

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+/**********************************************************************
+ * Title: Anagram
+ * Description: Application for finding anagrams of a word
+ * Author: Agnibho Mondal
+ * Website: http://code.agnibho.com/anagram
+ **********************************************************************
+   Copyright (c) 2013-2015 Agnibho Mondal
+   All rights reserved
+ **********************************************************************
+   This file is part of Anagram.
+   
+   Anagram is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+   
+   Anagram is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with Anagram.  If not, see <http://www.gnu.org/licenses/>.
+ **********************************************************************/
+/*
+ *The Command Line Interface for Anagram
+ */
+
+#include <iostream> //For console output
+#include <string> //For string variables
+#include <unistd.h> //For getopt
+#include <algorithm> //For transform, sort
+#include <vector> //For vector data
+#include "validity.hpp" //For is_valid
+#include "palindrome.hpp" //For is_palindrome
+#include "check.hpp" //For is_anagram
+#include "find.hpp" //For find_anagram
+#include "help.hpp" //For show_help
+
+using namespace std;
+
+int main(int argc, char** argv){
+  
+  //State variables
+  bool multi=false; //For multi-word
+  bool compare=false; //Check if two words are anagrams of each other
+  bool dict=false; //Check if the word is in the dictionary
+  int palindrome=0; //Values: 0=>don't check palindrome, 1=> check palindrome along with anagram, 2=> check palindrome only
+  
+  //Check command line options
+  int c=0;
+  while((c=getopt(argc, argv, "dhmpP"))!=-1){
+    switch(c){
+    case 'd': //Check dictionary
+      dict=true;
+      break;
+    case 'h': //Show help
+      show_help();
+      return 0;
+    case 'm': //Allow multi-line
+      multi=true;
+      break;
+    case 'p': //Check palindrome
+      palindrome=1;
+      break;
+    case 'P': //Check palindrome only
+      palindrome=2;
+      break;
+    }
+  }
+
+  string word; //The string to find anagrams for
+  string against; //The string to check if the word is a anagram of it
+  //First non-option argument
+  if(argv[optind]!=NULL){ //Set the first non-option argument as word
+    word=argv[optind];
+    //Optional second argument
+    if(argv[optind+1]!=NULL){ //Set the second non-option argument as against
+      against=argv[optind+1];
+      compare=true;
+    }
+  }
+  else{ //If no non-option argument present read from stdin
+    cerr<<"Enter word:"<<endl;
+    getline(cin, word);
+  }
+
+  //Check validity of word
+  if(is_valid(word, multi)){
+
+    //Convert to lower case
+    transform(word.begin(), word.end(), word.begin(), ::tolower);
+    
+    if(palindrome==2){ //Don't check anagram if only palindrome is requested.
+      //Check palindrome
+      if(is_palindrome(word)){
+	cout<<word<<": The word is a Palindrome"<<endl;
+      }
+      else{
+	cout<<word<<": The word is NOT a Palindrome"<<endl;
+      }
+    }
+    else{
+      if(palindrome==1){ //Check palindrome if requested.
+	//Check palindrome
+	if(is_palindrome(word)){
+	  cout<<word<<": The word is a Palindrome"<<endl;
+	}
+	else{
+	  cout<<word<<": The word is NOT a Palindrome"<<endl;
+	}
+      }
+      if(compare){ //Don't find all anagrams if only comparison is requested.
+	//Check anagram
+	if(is_anagram(word, against)){
+	  cout<<word<<": "<<against<<": The words are anagrams of each other"<<endl;
+	}
+	else{
+	  cout<<word<<": "<<against<<": The words are NOT anagrams of each other"<<endl;
+	}
+      }
+      else{ //Look for anagrams in the dictionary
+	vector<string> anagram_list; //Container for anagrams
+	if(multi){ //Multi-word anagram
+	  anagram_list=find_anagram_multiword(word); //Finds anagrams
+	}
+	else{ //Single-word anagram
+	  anagram_list=find_anagram(word); //Finds anagrams
+	}
+	//Check the word itself from the anagram list
+	{
+	  vector<string>::iterator i=find(anagram_list.begin(), anagram_list.end(), word);
+	  if(i==anagram_list.end()){ //If the word itself is not in the anagram list
+	    if(dict){
+	      cout<<word<<": The word is NOT present in the dictionary"<<endl;
+	    }
+	  }
+	  else{ //If the word itself is present in the anagram list
+	    if(dict){
+	      cout<<word<<": The word is present in the dictionary"<<endl;
+	    }
+	    anagram_list.erase(i); //Remove the word itself from the anagram list
+	  }
+	}
+	//Print out the angrams if present
+	if(anagram_list.size()>0){
+	  if(anagram_list.size()>1){ //If more than one anagrams
+	    cerr<<word<<": The following "<<anagram_list.size()<<" anagrams were found-"<<endl;
+	  }
+	  else{ //If only one anagram
+	    cerr<<word<<": The following anagram was found-"<<endl;
+	  }
+	  for(string i:anagram_list){
+	    cout<<i<<endl;
+	  }
+	}
+	else{
+	  cerr<<word<<": No anagrams were found"<<endl;
+	}
+      }
+    }
+  }
+  else{
+    cerr<<"Invalid word: "<<word<<endl; //Exit with error if the word is not valid.
+    return 1;
+  }
+  return 0;
+}