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
77
78
79
80
81
82
83
84
85
86
87
88
|
/* Copyright © 2009-2018 Jakub Wilk <jwilk@jwilk.net>
*
* This file is part of pdf2djvu.
*
* pdf2djvu is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* pdf2djvu is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef PDF2DJVU_STRING_FORMAT_HH
#define PDF2DJVU_STRING_FORMAT_HH
#include <map>
#include <ostream>
#include <stdexcept>
#include <string>
#include <vector>
namespace string_format
{
class Value
{
protected:
bool is_int;
unsigned int v_uint;
std::string v_string;
public:
Value(unsigned int n=0)
: is_int(true), v_uint(n)
{ }
Value(const std::string &s)
: is_int(false), v_string(s)
{ }
Value(const char *s)
: is_int(false), v_string(s)
{ }
unsigned int as_int(int offset=0);
const std::string &as_string();
};
class Bindings : public std::map<std::string, Value>
{
public:
Value get(const std::string &value) const;
};
class Chunk
{
public:
virtual void format(const Bindings &bindings, std::ostream &stream) const
= 0;
virtual ~Chunk()
{ }
};
class Template
{
private:
Template(const Template &) = delete;
Template & operator=(const Template &) = delete;
protected:
std::vector<Chunk*> chunks;
public:
explicit Template(const std::string &);
~Template();
void format(const Bindings &, std::ostream &) const;
std::string format(const Bindings &) const;
};
class ParseError : public std::runtime_error
{
public:
explicit ParseError()
: std::runtime_error("")
{ }
};
}
#endif
// vim:ts=2 sts=2 sw=2 et
|
