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/* document.h - generic markdown parser */
#ifndef HOEDOWN_DOCUMENT_H
#define HOEDOWN_DOCUMENT_H
#include "buffer.h"
#include "autolink.h"
#ifdef __cplusplus
extern "C" {
#endif
/*************
* CONSTANTS *
*************/
typedef enum hoedown_extensions {
/* block-level extensions */
HOEDOWN_EXT_TABLES = (1 << 0),
HOEDOWN_EXT_FENCED_CODE = (1 << 1),
HOEDOWN_EXT_FOOTNOTES = (1 << 2),
/* span-level extensions */
HOEDOWN_EXT_AUTOLINK = (1 << 3),
HOEDOWN_EXT_STRIKETHROUGH = (1 << 4),
HOEDOWN_EXT_UNDERLINE = (1 << 5),
HOEDOWN_EXT_HIGHLIGHT = (1 << 6),
HOEDOWN_EXT_QUOTE = (1 << 7),
HOEDOWN_EXT_SUPERSCRIPT = (1 << 8),
HOEDOWN_EXT_MATH = (1 << 9),
/* other flags */
HOEDOWN_EXT_NO_INTRA_EMPHASIS = (1 << 11),
HOEDOWN_EXT_SPACE_HEADERS = (1 << 12),
HOEDOWN_EXT_MATH_EXPLICIT = (1 << 13),
/* negative flags */
HOEDOWN_EXT_DISABLE_INDENTED_CODE = (1 << 14)
} hoedown_extensions;
#define HOEDOWN_EXT_BLOCK (\
HOEDOWN_EXT_TABLES |\
HOEDOWN_EXT_FENCED_CODE |\
HOEDOWN_EXT_FOOTNOTES )
#define HOEDOWN_EXT_SPAN (\
HOEDOWN_EXT_AUTOLINK |\
HOEDOWN_EXT_STRIKETHROUGH |\
HOEDOWN_EXT_UNDERLINE |\
HOEDOWN_EXT_HIGHLIGHT |\
HOEDOWN_EXT_QUOTE |\
HOEDOWN_EXT_SUPERSCRIPT |\
HOEDOWN_EXT_MATH )
#define HOEDOWN_EXT_FLAGS (\
HOEDOWN_EXT_NO_INTRA_EMPHASIS |\
HOEDOWN_EXT_SPACE_HEADERS |\
HOEDOWN_EXT_MATH_EXPLICIT )
#define HOEDOWN_EXT_NEGATIVE (\
HOEDOWN_EXT_DISABLE_INDENTED_CODE )
typedef enum hoedown_list_flags {
HOEDOWN_LIST_ORDERED = (1 << 0),
HOEDOWN_LI_BLOCK = (1 << 1) /* <li> containing block data */
} hoedown_list_flags;
typedef enum hoedown_table_flags {
HOEDOWN_TABLE_ALIGN_LEFT = 1,
HOEDOWN_TABLE_ALIGN_RIGHT = 2,
HOEDOWN_TABLE_ALIGN_CENTER = 3,
HOEDOWN_TABLE_ALIGNMASK = 3,
HOEDOWN_TABLE_HEADER = 4
} hoedown_table_flags;
typedef enum hoedown_autolink_type {
HOEDOWN_AUTOLINK_NONE, /* used internally when it is not an autolink*/
HOEDOWN_AUTOLINK_NORMAL, /* normal http/http/ftp/mailto/etc link */
HOEDOWN_AUTOLINK_EMAIL /* e-mail link without explit mailto: */
} hoedown_autolink_type;
/*********
* TYPES *
*********/
struct hoedown_document;
typedef struct hoedown_document hoedown_document;
struct hoedown_renderer_data {
void *opaque;
};
typedef struct hoedown_renderer_data hoedown_renderer_data;
/* hoedown_renderer - functions for rendering parsed data */
struct hoedown_renderer {
/* state object */
void *opaque;
/* block level callbacks - NULL skips the block */
void (*blockcode)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_buffer *lang, const hoedown_renderer_data *data);
void (*blockquote)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*header)(hoedown_buffer *ob, const hoedown_buffer *content, int level, const hoedown_renderer_data *data);
void (*hrule)(hoedown_buffer *ob, const hoedown_renderer_data *data);
void (*list)(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_list_flags flags, const hoedown_renderer_data *data);
void (*listitem)(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_list_flags flags, const hoedown_renderer_data *data);
void (*paragraph)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*table)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*table_header)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*table_body)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*table_row)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*table_cell)(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_table_flags flags, const hoedown_renderer_data *data);
void (*footnotes)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
void (*footnote_def)(hoedown_buffer *ob, const hoedown_buffer *content, unsigned int num, const hoedown_renderer_data *data);
void (*blockhtml)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
/* span level callbacks - NULL or return 0 prints the span verbatim */
int (*autolink)(hoedown_buffer *ob, const hoedown_buffer *link, hoedown_autolink_type type, const hoedown_renderer_data *data);
int (*codespan)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
int (*double_emphasis)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*emphasis)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*underline)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*highlight)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*quote)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*image)(hoedown_buffer *ob, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_buffer *alt, const hoedown_renderer_data *data);
int (*linebreak)(hoedown_buffer *ob, const hoedown_renderer_data *data);
int (*link)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_renderer_data *data);
int (*triple_emphasis)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*strikethrough)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*superscript)(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
int (*footnote_ref)(hoedown_buffer *ob, unsigned int num, const hoedown_renderer_data *data);
int (*math)(hoedown_buffer *ob, const hoedown_buffer *text, int displaymode, const hoedown_renderer_data *data);
int (*raw_html)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
/* low level callbacks - NULL copies input directly into the output */
void (*entity)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
void (*normal_text)(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
/* miscellaneous callbacks */
void (*doc_header)(hoedown_buffer *ob, int inline_render, const hoedown_renderer_data *data);
void (*doc_footer)(hoedown_buffer *ob, int inline_render, const hoedown_renderer_data *data);
};
typedef struct hoedown_renderer hoedown_renderer;
/*************
* FUNCTIONS *
*************/
/* hoedown_document_new: allocate a new document processor instance */
hoedown_document *hoedown_document_new(
const hoedown_renderer *renderer,
hoedown_extensions extensions,
size_t max_nesting
) __attribute__ ((malloc));
/* hoedown_document_render: render regular Markdown using the document processor */
void hoedown_document_render(hoedown_document *doc, hoedown_buffer *ob, const uint8_t *data, size_t size);
/* hoedown_document_render_inline: render inline Markdown using the document processor */
void hoedown_document_render_inline(hoedown_document *doc, hoedown_buffer *ob, const uint8_t *data, size_t size);
/* hoedown_document_free: deallocate a document processor instance */
void hoedown_document_free(hoedown_document *doc);
#ifdef __cplusplus
}
#endif
#endif /** HOEDOWN_DOCUMENT_H **/
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