scanscalar.h 2.12 KB
Newer Older
1
2
3
#ifndef SCANSCALAR_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define SCANSCALAR_H_62B23520_7C8E_11DE_8A39_0800200C9A66

Jesse Beder's avatar
Jesse Beder committed
4
5
6
#if defined(_MSC_VER) ||                                            \
    (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || \
     (__GNUC__ >= 4))  // GCC supports "pragma once" correctly since 3.4
7
8
9
#pragma once
#endif

10
#include <string>
Jesse Beder's avatar
Jesse Beder committed
11

12
#include "regex_yaml.h"
13
14
#include "stream.h"

Jesse Beder's avatar
Jesse Beder committed
15
namespace YAML {
Jesse Beder's avatar
Jesse Beder committed
16
17
18
enum CHOMP { STRIP = -1, CLIP, KEEP };
enum ACTION { NONE, BREAK, THROW };
enum FOLD { DONT_FOLD, FOLD_BLOCK, FOLD_FLOW };
Jesse Beder's avatar
Jesse Beder committed
19
20
21
22
23
24
25
26
27
28
29
30
31
32

struct ScanScalarParams {
  ScanScalarParams()
      : eatEnd(false),
        indent(0),
        detectIndent(false),
        eatLeadingWhitespace(0),
        escape(0),
        fold(DONT_FOLD),
        trimTrailingSpaces(0),
        chomp(CLIP),
        onDocIndicator(NONE),
        onTabInIndentation(NONE),
        leadingSpaces(false) {}
33

Jesse Beder's avatar
Jesse Beder committed
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
  // input:
  RegEx end;          // what condition ends this scalar?
  bool eatEnd;        // should we eat that condition when we see it?
  int indent;         // what level of indentation should be eaten and ignored?
  bool detectIndent;  // should we try to autodetect the indent?
  bool eatLeadingWhitespace;  // should we continue eating this delicious
                              // indentation after 'indent' spaces?
  char escape;  // what character do we escape on (i.e., slash or single quote)
                // (0 for none)
  FOLD fold;    // how do we fold line ends?
  bool trimTrailingSpaces;  // do we remove all trailing spaces (at the very
                            // end)
  CHOMP chomp;  // do we strip, clip, or keep trailing newlines (at the very
                // end)
  //   Note: strip means kill all, clip means keep at most one, keep means keep
  // all
  ACTION onDocIndicator;      // what do we do if we see a document indicator?
  ACTION onTabInIndentation;  // what do we do if we see a tab where we should
                              // be seeing indentation spaces

  // output:
  bool leadingSpaces;
};

std::string ScanScalar(Stream& INPUT, ScanScalarParams& info);
}
60

Jesse Beder's avatar
Jesse Beder committed
61
#endif  // SCANSCALAR_H_62B23520_7C8E_11DE_8A39_0800200C9A66