summaryrefslogtreecommitdiff
path: root/src/cmark.h
blob: 8b299342e6a4fd90c928bef8d755e36fd0fe04b2 (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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
#ifndef _CMARK_H_
#define _CMARK_H_

#include <stdbool.h>
#include <stdio.h>
#include "buffer.h"
#include "chunk.h"
#include "references.h"

#ifdef __cplusplus
extern "C" {
#endif

#define CMARK_VERSION "0.1"
#define CMARK_CODE_INDENT 4

#define CMARK_MAX_LINK_LABEL_LENGTH 1000

struct cmark_node_inl {
	enum {
		CMARK_INL_STRING,
		CMARK_INL_SOFTBREAK,
		CMARK_INL_LINEBREAK,
		CMARK_INL_CODE,
		CMARK_INL_RAW_HTML,
		CMARK_INL_EMPH,
		CMARK_INL_STRONG,
		CMARK_INL_LINK,
		CMARK_INL_IMAGE
	} tag;
	union {
		cmark_chunk literal;
		struct cmark_node_inl *inlines;
		struct {
			struct cmark_node_inl *label;
			unsigned char *url;
			unsigned char *title;
		} linkable;
	} content;
	struct cmark_node_inl *next;
};

typedef struct cmark_node_inl cmark_node_inl;

// Types for blocks
struct cmark_ListData {
	enum {
		bullet,
		ordered
	}  list_type;
	int               marker_offset;
	int               padding;
	int               start;
	enum {
		period,
		parens
	} delimiter;
	unsigned char     bullet_char;
	bool              tight;
};

struct cmark_FencedCodeData {
	int               fence_length;
	int               fence_offset;
	unsigned char     fence_char;
	cmark_strbuf      info;
};

struct cmark_node_block {
	enum {
		CMARK_BLOCK_DOCUMENT,
		CMARK_BLOCK_BQUOTE,
		CMARK_BLOCK_LIST,
		CMARK_BLOCK_LIST_ITEM,
		CMARK_BLOCK_FENCED_CODE,
		CMARK_BLOCK_INDENTED_CODE,
		CMARK_BLOCK_HTML,
		CMARK_BLOCK_PARAGRAPH,
		CMARK_BLOCK_ATX_HEADER,
		CMARK_BLOCK_SETEXT_HEADER,
		CMARK_BLOCK_HRULE,
		CMARK_BLOCK_REFERENCE_DEF
	} tag;
	int start_line;
	int start_column;
	int end_line;
	bool open;
	bool last_line_blank;
	struct cmark_node_block* children;
	struct cmark_node_block* last_child;
	struct cmark_node_block* parent;
	struct cmark_node_block* top;
	cmark_strbuf string_content;
	cmark_node_inl* inline_content;

	union  {
		struct cmark_ListData list;
		struct cmark_FencedCodeData code;
		struct {
			int level;
		} header;
		struct {
			cmark_reference_map *refmap;
		} document;
	} as;

	struct cmark_node_block *next;
	struct cmark_node_block *prev;
};

typedef struct cmark_node_block cmark_node_block;

cmark_node_block *cmark_parse_document(const unsigned char *buffer, size_t len);
cmark_node_block *cmark_parse_file(FILE *f);

void cmark_free_nodes(cmark_node_block *e);

void cmark_debug_print(cmark_node_block *root);
void cmark_render_html(cmark_strbuf *html, cmark_node_block *root);

unsigned char *cmark_markdown_to_html(unsigned char *text, int len);

#ifndef CMARK_NO_SHORT_NAMES
  #define VERSION                   CMARK_VERSION
  #define CODE_INDENT               CMARK_CODE_INDENT
  #define MAX_LINK_LABEL_LENGTH     CMARK_MAX_LINK_LABEL_LENGTH
  #define node_inl                  cmark_node_inl
  #define INL_STRING                CMARK_INL_STRING
  #define INL_SOFTBREAK             CMARK_INL_SOFTBREAK
  #define INL_LINEBREAK             CMARK_INL_LINEBREAK
  #define INL_CODE                  CMARK_INL_CODE
  #define INL_RAW_HTML              CMARK_INL_RAW_HTML
  #define INL_EMPH                  CMARK_INL_EMPH
  #define INL_STRONG                CMARK_INL_STRONG
  #define INL_LINK                  CMARK_INL_LINK
  #define INL_IMAGE                 CMARK_INL_IMAGE
  #define ListData                  cmark_ListData
  #define FencedCodeData            cmark_FencedCodeData
  #define node_block                cmark_node_block
  #define BLOCK_DOCUMENT            CMARK_BLOCK_DOCUMENT
  #define BLOCK_BQUOTE              CMARK_BLOCK_BQUOTE
  #define BLOCK_LIST                CMARK_BLOCK_LIST
  #define BLOCK_LIST_ITEM           CMARK_BLOCK_LIST_ITEM
  #define BLOCK_FENCED_CODE         CMARK_BLOCK_FENCED_CODE
  #define BLOCK_INDENTED_CODE       CMARK_BLOCK_INDENTED_CODE
  #define BLOCK_HTML                CMARK_BLOCK_HTML
  #define BLOCK_PARAGRAPH           CMARK_BLOCK_PARAGRAPH
  #define BLOCK_ATX_HEADER          CMARK_BLOCK_ATX_HEADER
  #define BLOCK_SETEXT_HEADER       CMARK_BLOCK_SETEXT_HEADER
  #define BLOCK_HRULE               CMARK_BLOCK_HRULE
  #define BLOCK_REFERENCE_DEF       CMARK_BLOCK_REFERENCE_DEF
#endif

#ifdef __cplusplus
}
#endif

#endif