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/*
* Copyright (c) 2009, Natacha Porté
* Copyright (c) 2011, Vicent Marti
*
* 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 COMMON_FORMATS_MARKDOWN_H
#define COMMON_FORMATS_MARKDOWN_H
#include "common/scummsys.h"
namespace Common {
class String;
#define SUNDOWN_VERSION "1.16.0"
#define SUNDOWN_VER_MAJOR 1
#define SUNDOWN_VER_MINOR 16
#define SUNDOWN_VER_REVISION 0
/********************
* TYPE DEFINITIONS *
********************/
struct SDDataBuffer;
/* mkd_autolink - type of autolink */
enum MKDAutolink {
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),
};
struct SDStack {
void **item;
size_t size;
size_t asize;
};
/* sd_callbacks - functions for rendering parsed data */
struct SDCallbacks {
/* block level callbacks - NULL skips the block */
void (*blockcode)(SDDataBuffer *ob, const SDDataBuffer *text, const SDDataBuffer *lang, void *opaque);
void (*blockquote)(SDDataBuffer *ob, const SDDataBuffer *text, void *opaque);
void (*blockhtml)(SDDataBuffer *ob,const SDDataBuffer *text, void *opaque);
void (*header)(SDDataBuffer *ob, const SDDataBuffer *text, int level, void *opaque);
void (*hrule)(SDDataBuffer *ob, void *opaque);
void (*list_start)(SDDataBuffer *ob, const SDDataBuffer *text, int flags, void *opaque);
void (*list)(SDDataBuffer *ob, const SDDataBuffer *text, int flags, void *opaque);
void (*listitem)(SDDataBuffer *ob, const SDDataBuffer *text, int flags, void *opaque);
void (*paragraph)(SDDataBuffer *ob, const SDDataBuffer *text, void *opaque);
void (*table)(SDDataBuffer *ob, const SDDataBuffer *header, const SDDataBuffer *body, void *opaque);
void (*table_row)(SDDataBuffer *ob, const SDDataBuffer *text, void *opaque);
void (*table_cell)(SDDataBuffer *ob, const SDDataBuffer *text, int flags, void *opaque);
/* span level callbacks - NULL or return 0 prints the span verbatim */
int (*autolink)(SDDataBuffer *ob, const SDDataBuffer *link, MKDAutolink type, void *opaque);
int (*codespan)(SDDataBuffer *ob, const SDDataBuffer *text, void *opaque);
int (*double_emphasis)(SDDataBuffer *ob, const SDDataBuffer *text, void *opaque);
int (*emphasis)(SDDataBuffer *ob, const SDDataBuffer *text, void *opaque);
int (*image)(SDDataBuffer *ob, const SDDataBuffer *link, const SDDataBuffer *title, const SDDataBuffer *alt, const SDDataBuffer *ext, void *opaque);
int (*linebreak)(SDDataBuffer *ob, void *opaque);
int (*link)(SDDataBuffer *ob, const SDDataBuffer *link, const SDDataBuffer *title, const SDDataBuffer *content, void *opaque);
int (*raw_html_tag)(SDDataBuffer *ob, const SDDataBuffer *tag, void *opaque);
int (*triple_emphasis)(SDDataBuffer *ob, const SDDataBuffer *text, void *opaque);
int (*strikethrough)(SDDataBuffer *ob, const SDDataBuffer *text, void *opaque);
int (*superscript)(SDDataBuffer *ob, const SDDataBuffer *text, void *opaque);
/* low level callbacks - NULL copies input directly into the output */
void (*entity)(SDDataBuffer *ob, const SDDataBuffer *entity, void *opaque);
void (*normal_text)(SDDataBuffer *ob, const SDDataBuffer *text, void *opaque);
/* header and footer */
void (*doc_header)(SDDataBuffer *ob, void *opaque);
void (*doc_footer)(SDDataBuffer *ob, void *opaque);
};
/*********
* FLAGS *
*********/
/* list/listitem flags */
#define MKD_LIST_ORDERED 1
#define MKD_LI_BLOCK 2 /* <li> containing block data */
#define REF_TABLE_SIZE 8
struct LinkRef;
class SDMarkdown {
public:
SDCallbacks _cb;
void *_opaque;
LinkRef *_refs[REF_TABLE_SIZE];
byte _active_char[256];
SDStack _work_bufs[2];
uint _ext_flags;
size_t _max_nesting;
int _in_link_body;
SDMarkdown(uint extensions, size_t max_nesting, const SDCallbacks *callbacks, void *opaque);
~SDMarkdown();
Common::String render(const byte *document, size_t doc_size);
void version(int *major, int *minor, int *revision);
};
/* SDDataBuffer: character array buffer */
struct SDDataBuffer {
byte *data; /* actual character data */
size_t size; /* size of the string */
size_t asize; /* allocated size (0 = volatile buffer) */
size_t unit; /* reallocation unit size (0 = read-only buffer) */
};
/* sd_bufput: appends raw data to a buffer */
void sd_bufput(SDDataBuffer *, const void *, size_t);
} // end of namespace Common
#endif // COMMON_FORMATS_MARKDOWN_H
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