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
|
#ifndef _STDMD_H_
#define _STDMD_H_
#include <stdbool.h>
#include <stdio.h>
#include "buffer.h"
#include "chunk.h"
#include "uthash.h"
#define VERSION "0.1"
#define CODE_INDENT 4
struct node_inl {
enum {
INL_STRING,
INL_SOFTBREAK,
INL_LINEBREAK,
INL_CODE,
INL_RAW_HTML,
INL_EMPH,
INL_STRONG,
INL_LINK,
INL_IMAGE
} tag;
union {
chunk literal;
struct node_inl *inlines;
struct {
struct node_inl *label;
unsigned char *url;
unsigned char *title;
} linkable;
} content;
struct node_inl *next;
};
typedef struct node_inl node_inl;
struct reference {
unsigned char *label;
unsigned char *url;
unsigned char *title;
UT_hash_handle hh; // used by uthash
};
typedef struct reference reference;
// Types for blocks
struct ListData {
enum {
bullet,
ordered
} list_type;
int marker_offset;
int padding;
int start;
enum {
period,
parens
} delimiter;
unsigned char bullet_char;
bool tight;
};
struct FencedCodeData {
int fence_length;
int fence_offset;
char fence_char;
strbuf info;
};
struct node_block {
enum {
BLOCK_DOCUMENT,
BLOCK_BQUOTE,
BLOCK_LIST,
BLOCK_LIST_ITEM,
BLOCK_FENCED_CODE,
BLOCK_INDENTED_CODE,
BLOCK_HTML,
BLOCK_PARAGRAPH,
BLOCK_ATX_HEADER,
BLOCK_SETEXT_HEADER,
BLOCK_HRULE,
BLOCK_REFERENCE_DEF
} tag;
int start_line;
int start_column;
int end_line;
bool open;
bool last_line_blank;
struct node_block* children;
struct node_block* last_child;
struct node_block* parent;
struct node_block* top;
strbuf string_content;
node_inl* inline_content;
union {
struct ListData list_data;
struct FencedCodeData fenced_code_data;
int header_level;
reference** refmap;
} attributes;
struct node_block * next;
struct node_block * prev;
};
typedef struct node_block node_block;
node_inl* parse_inlines(strbuf *input, reference** refmap);
void free_inlines(node_inl* e);
int parse_reference(strbuf *input, reference** refmap);
void free_reference(reference *ref);
void free_reference_map(reference **refmap);
void add_reference(reference** refmap, reference* ref);
void unescape_buffer(strbuf *buf);
extern node_block* make_document();
extern node_block* add_child(node_block* parent,
int block_type, int start_line, int start_column);
void free_blocks(node_block* e);
extern node_block *stmd_parse_document(const unsigned char *buffer, size_t len);
extern node_block *stmd_parse_file(FILE *f);
void print_inlines(node_inl* ils, int indent);
void print_blocks(node_block* blk, int indent);
void blocks_to_html(strbuf *html, node_block *b, bool tight);
void inlines_to_html(strbuf *html, node_inl *b);
#endif
|