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#ifndef _MARKDOWN_D
#define _MARKDOWN_D
#include "cstring.h"
/* reference-style links (and images) are stored in an array
* of footnotes.
*/
typedef struct footnote {
Cstring tag; /* the tag for the reference link */
Cstring link; /* what this footnote points to */
Cstring title; /* what it's called (TITLE= attribute) */
int height, width; /* dimensions (for image link) */
} Footnote;
/* each input line is read into a Line, which contains the line,
* the offset of the first non-space character [this assumes
* that all tabs will be expanded to spaces!], and a pointer to
* the next line.
*/
typedef struct line {
Cstring text;
struct line *next;
int dle;
} Line;
/* a paragraph is a collection of Lines, with links to the next paragraph
* and (if it's a QUOTE, UL, or OL) to the reparsed contents of this
* paragraph.
*/
typedef struct paragraph {
struct paragraph *next; /* next paragraph */
struct paragraph *down; /* recompiled contents of this paragraph */
struct line *text; /* all the text in this paragraph */
enum { WHITESPACE=0, CODE, QUOTE, MARKUP, HTML, DL, UL, OL, LISTITEM, HDR, HR } typ;
enum { IMPLICIT=0, PARA, CENTER} align;
int hnumber; /* <Hn> for typ == HDR */
} Paragraph;
enum { ETX, SETEXT }; /* header types */
/* a magic markdown io thing holds all the data structures needed to
* do the backend processing of a markdown document
*/
typedef struct mmiot {
FILE *out;
Cstring in;
int isp;
STRING(Footnote) footnotes;
int flags;
#define DENY_A 0x0001
#define DENY_IMG 0x0002
#define DENY_SMARTY 0x0004
#define EXPAND_QUOTE 0x0010
#define DENY_MASK (DENY_A|DENY_IMG|DENY_SMARTY|EXPAND_QUOTE)
} MMIOT;
/*
* the mkdio text input functions return a document structure,
* which contains a header (retrieved from the document if
* markdown was configured * with the * --enable-pandoc-header
* and the document begins with a pandoc-style header) and the
* root of the linked list of Lines.
*/
typedef struct document {
Line *headers; /* title -> author(s) -> date */
ANCHOR(Line) content; /* uncompiled text, not valid after compile() */
Paragraph *code; /* intermediate code generated by compile() */
int compiled; /* set after mkd_compile() */
int tabstop; /* for properly expanding tabs (ick) */
MMIOT *ctx; /* backend buffers, flags, and structures */
} Document;
extern int mkd_firstnonblank(Line *);
extern int mkd_compile(Document *, int);
extern int mkd_generatehtml(Document *, FILE *);
extern void mkd_cleanup(Document *);
extern int mkd_text(char *, int, FILE*, int);
extern Document *mkd_in(FILE *, int);
extern Document *mkd_string(char*,int, int);
#define NO_HEADER 0x0100
#define STD_TABSTOP 0x0200
#define INPUT_MASK (NO_HEADER|STD_TABSTOP)
#endif/*_MARKDOWN_D*/
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