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markdown.h
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markdown.h
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/* markdown.h - generic markdown parser */
/*
* Copyright (c) 2009, Natacha Porté
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef UPSKIRT_MARKDOWN_H
#define UPSKIRT_MARKDOWN_H
#include "buffer.h"
#include "autolink.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SUNDOWN_VERSION "1.16.0"
#define SUNDOWN_VER_MAJOR 1
#define SUNDOWN_VER_MINOR 16
#define SUNDOWN_VER_REVISION 0
/********************
* TYPE DEFINITIONS *
********************/
/* mkd_autolink - type of autolink */
enum mkd_autolink {
MKDA_NOT_AUTOLINK, /* used internally when it is not an autolink*/
MKDA_NORMAL, /* normal http/http/ftp/mailto/etc link */
MKDA_EMAIL, /* e-mail link without explit mailto: */
};
enum mkd_tableflags {
MKD_TABLE_ALIGN_L = 1,
MKD_TABLE_ALIGN_R = 2,
MKD_TABLE_ALIGN_CENTER = 3,
MKD_TABLE_ALIGNMASK = 3,
MKD_TABLE_HEADER = 4
};
enum mkd_extensions {
MKDEXT_NO_INTRA_EMPHASIS = (1 << 0),
MKDEXT_TABLES = (1 << 1),
MKDEXT_FENCED_CODE = (1 << 2),
MKDEXT_AUTOLINK = (1 << 3),
MKDEXT_STRIKETHROUGH = (1 << 4),
MKDEXT_SPACE_HEADERS = (1 << 6),
MKDEXT_SUPERSCRIPT = (1 << 7),
MKDEXT_LAX_SPACING = (1 << 8),
};
/* sd_callbacks - functions for rendering parsed data */
struct sd_callbacks {
/* block level callbacks - NULL skips the block */
void (*blockcode)(struct buf *ob, const struct buf *text, const struct buf *lang, void *opaque);
void (*blockquote)(struct buf *ob, const struct buf *text, void *opaque);
void (*blockhtml)(struct buf *ob,const struct buf *text, void *opaque);
void (*header)(struct buf *ob, const struct buf *text, int level, void *opaque);
void (*hrule)(struct buf *ob, void *opaque);
void (*list)(struct buf *ob, const struct buf *text, int flags, void *opaque);
void (*listitem)(struct buf *ob, const struct buf *text, int flags, void *opaque);
void (*paragraph)(struct buf *ob, const struct buf *text, void *opaque);
void (*table)(struct buf *ob, const struct buf *header, const struct buf *body, void *opaque);
void (*table_row)(struct buf *ob, const struct buf *text, void *opaque);
void (*table_cell)(struct buf *ob, const struct buf *text, int flags, void *opaque);
/* span level callbacks - NULL or return 0 prints the span verbatim */
int (*autolink)(struct buf *ob, const struct buf *link, enum mkd_autolink type, void *opaque);
int (*codespan)(struct buf *ob, const struct buf *text, void *opaque);
int (*double_emphasis)(struct buf *ob, const struct buf *text, void *opaque);
int (*emphasis)(struct buf *ob, const struct buf *text, void *opaque);
int (*image)(struct buf *ob, const struct buf *link, const struct buf *title, const struct buf *alt, void *opaque);
int (*linebreak)(struct buf *ob, void *opaque);
int (*link)(struct buf *ob, const struct buf *link, const struct buf *title, const struct buf *content, void *opaque);
int (*raw_html_tag)(struct buf *ob, const struct buf *tag, void *opaque);
int (*triple_emphasis)(struct buf *ob, const struct buf *text, void *opaque);
int (*strikethrough)(struct buf *ob, const struct buf *text, void *opaque);
int (*superscript)(struct buf *ob, const struct buf *text, void *opaque);
/* low level callbacks - NULL copies input directly into the output */
void (*entity)(struct buf *ob, const struct buf *entity, void *opaque);
void (*normal_text)(struct buf *ob, const struct buf *text, void *opaque);
/* header and footer */
void (*doc_header)(struct buf *ob, void *opaque);
void (*doc_footer)(struct buf *ob, void *opaque);
};
struct sd_markdown;
/*********
* FLAGS *
*********/
/* list/listitem flags */
#define MKD_LIST_ORDERED 1
#define MKD_LI_BLOCK 2 /* <li> containing block data */
/**********************
* EXPORTED FUNCTIONS *
**********************/
extern struct sd_markdown *
sd_markdown_new(
unsigned int extensions,
size_t max_nesting,
const struct sd_callbacks *callbacks,
void *opaque);
extern void
sd_markdown_render(struct buf *ob, const uint8_t *document, size_t doc_size, struct sd_markdown *md);
extern void
sd_markdown_free(struct sd_markdown *md);
extern void
sd_version(int *major, int *minor, int *revision);
#ifdef __cplusplus
}
#endif
#endif
/* vim: set filetype=c: */