ceph/src/dmclock/sim/src/str_list.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2009-2010 Dreamhost
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #include "str_list.h"
  16
  17 using std::string;
  18 using std::vector;
  19 using std::set;
  20 using std::list;
  21
  22 static bool get_next_token(const string &s, size_t& pos, const char *delims, string& token)
  23 {
  24   int start = s.find_first_not_of(delims, pos);
  25   int end;
  26
  27   if (start < 0){
  28     pos = s.size();
  29     return false;
  30   }
  31
  32   end = s.find_first_of(delims, start);
  33   if (end >= 0)
  34     pos = end + 1;
  35   else {
  36     pos = end = s.size();
  37   }
  38
  39   token = s.substr(start, end - start);
  40   return true;
  41 }
  42
  43 void get_str_list(const string& str, const char *delims, list<string>& str_list)
  44 {
  45   size_t pos = 0;
  46   string token;
  47
  48   str_list.clear();
  49
  50   while (pos < str.size()) {
  51     if (get_next_token(str, pos, delims, token)) {
  52       if (token.size() > 0) {
  53         str_list.push_back(token);
  54       }
  55     }
  56   }
  57 }
  58
  59 void get_str_list(const string& str, list<string>& str_list)
  60 {
  61   const char *delims = ";,= \t";
  62   return get_str_list(str, delims, str_list);
  63 }
  64
  65 void get_str_vec(const string& str, const char *delims, vector<string>& str_vec)
  66 {
  67   size_t pos = 0;
  68   string token;
  69   str_vec.clear();
  70
  71   while (pos < str.size()) {
  72     if (get_next_token(str, pos, delims, token)) {
  73       if (token.size() > 0) {
  74         str_vec.push_back(token);
  75       }
  76     }
  77   }
  78 }
  79
  80 void get_str_vec(const string& str, vector<string>& str_vec)
  81 {
  82   const char *delims = ";,= \t";
  83   return get_str_vec(str, delims, str_vec);
  84 }
  85
  86 void get_str_set(const string& str, const char *delims, set<string>& str_set)
  87 {
  88   size_t pos = 0;
  89   string token;
  90
  91   str_set.clear();
  92
  93   while (pos < str.size()) {
  94     if (get_next_token(str, pos, delims, token)) {
  95       if (token.size() > 0) {
  96         str_set.insert(token);
  97       }
  98     }
  99   }
 100 }
 101
 102 void get_str_set(const string& str, set<string>& str_set)
 103 {
 104   const char *delims = ";,= \t";
 105   return get_str_set(str, delims, str_set);
 106 }