#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <array.h>

#include <dirent.h> 

#include <ctype.h>

#include <string.h>


class char{


	int operator==( char * b ) {

		return this->compare( b );

	}

	void operator+=( char * b ) {

		// not proper
		strcat( this, b );

	}

	char * operator+( char * b ) {

		return this->concatenate( b );

	}

	int compare( char * b ) {

		return strcmp( this, b ) == 0;

	}

	char * concatenate( char * b ) {

		int lengthA 			= strlen( this );

		int lengthB 			= strlen( b );

		char * pointer 			= this;

		char * copy				= ( char * ) malloc( ( lengthA + lengthB + 1 ) * sizeof( char ) );

		int idx = 0;

		while ( * pointer != '\0' ){

			copy[idx++] = *pointer++;

		}

		pointer = &b[0];

		while ( * pointer != '\0' ){

			copy[idx++] = *pointer++;

		}

		copy[ idx++ ] = '\0';

		return &copy[0];

	}

	int includes( char * compare ) {

		if ( strstr( this, compare ) != NULL ) {
		
			return 1;

		} else {

			return 0;

		}
	}

	char * clone( ) {

		char * newCopy = malloc( sizeof( char ) * strlen( this ) );

		strcpy( newCopy, this );

		return newCopy;
		
	}

	char * copy( ) {

		char * newCopy = malloc( sizeof( char ) * strlen( this ) );

		strcpy( newCopy, this );

		return newCopy;
		
	}

	struct array * split( char * needle )
	{

		char * haystack			= this->clone();

		struct array * keys 	= new array();

		int count 		= 0;

		char *	tmp 	= haystack;

	    char * token 	= strtok( haystack, needle );
	  
	    int i = 0;

	    while ( token ) {

	       	array_add( keys, token );

	       	//printf("strtok: %s \n", token );

	        token = (char *) strtok( NULL, needle );

	    }

		return keys;


	}


	char * removeWhitespaceLeft()
	{
		char * s	= this;

		while(isspace(*s)) s++;

		return s;
	}

	char * removeWhitespaceRight()
	{
		char * s	= this;

		char* back 	= s + strlen(s);

		while( isspace( *--back ) );

		*( back + 1 ) = '\0';

		return s;
	}

	char * removeWhitespace( )
	{

		return this->removeWhitespaceLeft()->removeWhitespaceRight(); 

	}

}