find.cpp

int find(const char *str, const char *sb, int beg)
{
    int  whole= strlen(str), len2=strlen(sb);
    bool found=false;
    int i = beg;
    for( i=beg; i < whole; i++)
     {
        if( str[i] == sb[0])
        {
            found = true;
            for( int o=0; o < len2; o++)
            {
                if(str[i+o] != sb[o])
                {
                   found = false;
                   break;
                }
                else
                {
                    found =true;
                }
            }      
        }
        if(found == true)
        {
		   break;
		}
     }
if(found==true)
   return i;
   else
   return -1;
}


int find(const char *str, const char *sb, int beg)
{
    int  whole= strlen(str), len2=strlen(sb);
    bool found=false;
    int i = beg;
    for( i=beg; i < whole; i++)
     {
        if( str[i] == sb[0])
        {
            found = true;
            for( int o=0; o < len2; o++)
            {
                if(str[i+o] != sb[o])
                {
                   found = false;
                   break;
                }
                else
                {
                    found =true;
                }
            }      
        }
        if(found == true)
        {
		   break;
		}
     }
if(found==true)
   return i;
   else
   return -1;
}


int find_only_word(const char *str, const char *sb, int beg)
{
    int  whole= strlen(str), len2=strlen(sb);
    bool found=false;
    int i = beg;
    int o;
    for( i=beg; i < whole; i++)
     {
        if( str[i] == sb[0])
        {
            found = true;
            for( o=0; o < len2; o++)
            {
                if(str[i+o] != sb[o])
                {
                   found = false;
                   break;
                }
                else
                {
                    found =true;
                }
            }      
        }
        if(found == true)
        {
		   if(str[i+o+1] == ' ' || str[i+o+1]  == '\n'|| str[i+o+1] == '\0')	
		   break;
		   else 
		     found =false;
		}
		
     }
if(found==true)
   return i;
   else
   return -1;
}





int count_all(const char *str, const char *tok)
{
   int counts=0;
   int found=0;
   while((found=find(str, tok, found))!= -1)
     {
		 counts++;
         if(found == -1)
           break;
           else
         found += strlen(tok);
     }
     return counts;
}



vector<int> get_string_pos(const char *str, const char *tok)
{
   vector<int>pos;
   int found=-1;	
	 while((found=find(str, tok, found))!= -1)
     {
         if(found != -1)
           {
			   pos.push_back(found);  
			   found += strlen(tok);   
           }
     }
     return pos;
}




void change_buffer_with_char(char *buffer,int len,vector<int>inpos, char ch)
{
	if(buffer == NULL || inpos.size()<=0)
	   return;
	 
	for(int i=0; i < inpos.size();i++){
	    int ib = inpos[i];
	    for(int f=0;f<len;f++)
	    {
            buffer[f+ib]=ch;	
        }    
	}
}