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#ifndef CMARK_AST_H
#define CMARK_AST_H
#include <stdio.h>
#include "config.h"
#include "buffer.h"
#include "chunk.h"
#include "cmark.h"
#ifdef __cplusplus
extern "C" {
#endif
#define REFMAP_SIZE 16
#define MAX_LINK_LABEL_LENGTH 1000
typedef 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
} cmark_inl_tag;
struct cmark_node_inl {
cmark_inl_tag 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;
};
struct cmark_reference {
struct cmark_reference *next;
unsigned char *label;
unsigned char *url;
unsigned char *title;
unsigned int hash;
};
typedef struct cmark_reference cmark_reference;
struct cmark_reference_map {
cmark_reference *table[REFMAP_SIZE];
};
typedef struct cmark_reference_map cmark_reference_map;
typedef enum {
bullet,
ordered
} cmark_list_type;
typedef enum {
period,
parens
} cmark_delim_type;
// Types for blocks
struct cmark_ListData {
cmark_list_type list_type;
int marker_offset;
int padding;
int start;
cmark_delim_type delimiter;
unsigned char bullet_char;
bool tight;
};
struct cmark_FencedCodeData {
int fence_length;
int fence_offset;
unsigned char fence_char;
cmark_strbuf info;
};
typedef 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
} cmark_block_tag;
struct cmark_node_block {
cmark_block_tag 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;
struct 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;
};
struct cmark_doc_parser {
struct cmark_node_block* head;
struct cmark_node_block* current;
int line_number;
cmark_strbuf *curline;
};
unsigned char *cmark_clean_autolink(chunk *url, int is_email);
static inline cmark_node_inl *cmark_make_link(cmark_node_inl *label, unsigned char *url, unsigned char *title)
{
cmark_node_inl* e = (cmark_node_inl *)calloc(1, sizeof(*e));
if(e != NULL) {
e->tag = CMARK_INL_LINK;
e->content.linkable.label = label;
e->content.linkable.url = url;
e->content.linkable.title = title;
e->next = NULL;
}
return e;
}
static inline cmark_node_inl* cmark_make_autolink(cmark_node_inl* label, cmark_chunk url, int is_email)
{
return cmark_make_link(label, cmark_clean_autolink(&url, is_email), NULL);
}
static inline cmark_node_inl* cmark_make_inlines(cmark_inl_tag t, cmark_node_inl* contents)
{
cmark_node_inl * e = (cmark_node_inl *)calloc(1, sizeof(*e));
if(e != NULL) {
e->tag = t;
e->content.inlines = contents;
e->next = NULL;
}
return e;
}
// Create an inline with a literal string value.
static inline cmark_node_inl* cmark_make_literal(cmark_inl_tag t, cmark_chunk s)
{
cmark_node_inl * e = (cmark_node_inl *)calloc(1, sizeof(*e));
if(e != NULL) {
e->tag = t;
e->content.literal = s;
e->next = NULL;
}
return e;
}
// Create an inline with no value.
static inline cmark_node_inl* cmark_make_simple(cmark_inl_tag t)
{
cmark_node_inl* e = (cmark_node_inl *)calloc(1, sizeof(*e));
if(e != NULL) {
e->tag = t;
e->next = NULL;
}
return e;
}
// Macros for creating various kinds of simple.
#define cmark_make_str(s) cmark_make_literal(INL_STRING, s)
#define cmark_make_code(s) cmark_make_literal(INL_CODE, s)
#define cmark_make_raw_html(s) cmark_make_literal(INL_RAW_HTML, s)
#define cmark_make_linebreak() cmark_make_simple(INL_LINEBREAK)
#define cmark_make_softbreak() cmark_make_simple(INL_SOFTBREAK)
#define cmark_make_emph(contents) cmark_make_inlines(INL_EMPH, contents)
#define cmark_make_strong(contents) cmark_make_inlines(INL_STRONG, contents)
#ifndef CMARK_NO_SHORT_NAMES
#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
#define make_link cmark_make_link
#define make_autolink cmark_make_autolink
#define make_str cmark_make_str
#define make_code cmark_make_code
#define make_raw_html cmark_make_raw_html
#define make_linebreak cmark_make_linebreak
#define make_softbreak cmark_make_softbreak
#define make_emph cmark_make_emph
#define make_strong cmark_make_strong
#define make_simple cmark_make_simple
#define make_literal cmark_make_literal
#define make_inlines cmark_make_inlines
#endif
#ifdef __cplusplus
}
#endif
#endif
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