ceph/src/boost/tools/quickbook/src/simple_parse.hpp

   1 /*=============================================================================
   2 Copyright (c) 2011-2013, 2017 Daniel James
   3
   4 Use, modification and distribution is subject to the Boost Software
   5 License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6 http://www.boost.org/LICENSE_1_0.txt)
   7 =============================================================================*/
   8
   9 namespace quickbook
  10 {
  11     template <typename Iterator>
  12     bool read(Iterator& it, Iterator end, char const* text)
  13     {
  14         for (Iterator it2 = it;; ++it2, ++text) {
  15             if (!*text) {
  16                 it = it2;
  17                 return true;
  18             }
  19
  20             if (it2 == end || *it2 != *text) return false;
  21         }
  22     }
  23
  24     template <typename Iterator>
  25     bool read_past(Iterator& it, Iterator end, char const* text)
  26     {
  27         while (it != end) {
  28             if (read(it, end, text)) {
  29                 return true;
  30             }
  31             ++it;
  32         }
  33         return false;
  34     }
  35
  36     inline bool find_char(char const* text, char c)
  37     {
  38         for (; *text; ++text)
  39             if (c == *text) return true;
  40         return false;
  41     }
  42
  43     template <typename Iterator>
  44     void read_some_of(Iterator& it, Iterator end, char const* text)
  45     {
  46         while (it != end && find_char(text, *it))
  47             ++it;
  48     }
  49
  50     template <typename Iterator>
  51     void read_to_one_of(Iterator& it, Iterator end, char const* text)
  52     {
  53         while (it != end && !find_char(text, *it))
  54             ++it;
  55     }
  56
  57     template <typename Iterator>
  58     void read_to(Iterator& it, Iterator end, char c)
  59     {
  60         while (it != end && *it != c)
  61             ++it;
  62     }
  63 }