Yurttas/PL/OOL/Cplusplus/F/07/02/02/00/count pattern.cpp

 1/*
 2   Copyright(C) 2002
 3   All Rights Reserved. Salih Yurttas, ZCubes, BitsOfCode Software Systems, Inc..
 4
 5   Permission to use, copy, modify, and distribute this
 6   software and its documentation for EDUCATIONAL purposes
 7   and without fee is hereby granted provided that this
 8   copyright notice appears in all copies.
 9
10   date   : September 1, 2002.
11   author : Salih Yurttas.
12
13   count_pattern.cpp
14*/
15
16
17#include "common.h"
18#include "pattern.h"
19
20using namespace std;
21
22int count_pattern(vector<string>& lines) {
23  int k = 0;
24
25  int p_l = pattern.length();
26
27  int n = lines.size();
28
29  for(int i=0; i<n; i++) {
30    string a = lines[i];
31    int l = a.length();
32
33    int p = 0;
34
35    while(l>=p_l) {
36      int p = a.find(pattern);
37
38      if(p<0) break;
39
40      ++k;
41
42      a = a.substr(p+p_l,l-1);
43
44      l = a.length();
45    }
46  }
47
48  return k;
49
50}