aboutsummaryrefslogtreecommitdiff
path: root/xsd/type-map/lexer.hxx
blob: 012533ac9e4e9c118230e67d1d10ddeeeb313cf6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
// file      : xsd/type-map/lexer.hxx
// author    : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2007-2011 Code Synthesis Tools CC
// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file

#ifndef XSD_TYPE_MAP_LEXER_HXX
#define XSD_TYPE_MAP_LEXER_HXX

#include <locale>
#include <iosfwd>

#include <types.hxx>

namespace TypeMap
{
  class Lexer
  {
  public:
    class Token
    {
    public:
      enum Type
      {
        token,
        punct,
        eos
      };

      Token (Type type, String const& lexeme, size_t line)
          : type_ (type), lexeme_ (lexeme), line_ (line)
      {
      }

      Type
      type () const
      {
        return type_;
      }

      String const&
      lexeme () const
      {
        return lexeme_;
      }

      size_t
      line () const
      {
        return line_;
      }

    private:
      Type type_;
      String lexeme_;
      size_t line_;
    };

    Lexer (std::istream&, String const& path);

    struct Failed {};

    Token
    next ();

  private:
    std::locale locale_;
    std::istream& is_;
    String path_;
    size_t line_;
    String held_lexeme_;
    bool comment_;
  };

}

#endif // XSD_TYPE_MAP_LEXER_HXX