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david parsons
d46b726bb3
2. define the flag `MKD_EMBED`, which turns on `<>` and `"`expansion. 3. modify `theme` so it keeps track of whether it's inside html tags and whether it's in the header or body of a page.
95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
#ifndef _MARKDOWN_D
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#define _MARKDOWN_D
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#include "cstring.h"
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/* reference-style links (and images) are stored in an array
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* of footnotes.
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*/
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typedef struct footnote {
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Cstring tag; /* the tag for the reference link */
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Cstring link; /* what this footnote points to */
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Cstring title; /* what it's called (TITLE= attribute) */
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int height, width; /* dimensions (for image link) */
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} Footnote;
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/* each input line is read into a Line, which contains the line,
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* the offset of the first non-space character [this assumes
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* that all tabs will be expanded to spaces!], and a pointer to
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* the next line.
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*/
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typedef struct line {
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Cstring text;
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struct line *next;
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int dle;
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} Line;
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/* a paragraph is a collection of Lines, with links to the next paragraph
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* and (if it's a QUOTE, UL, or OL) to the reparsed contents of this
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* paragraph.
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*/
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typedef struct paragraph {
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struct paragraph *next; /* next paragraph */
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struct paragraph *down; /* recompiled contents of this paragraph */
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struct line *text; /* all the text in this paragraph */
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enum { WHITESPACE=0, CODE, QUOTE, MARKUP, HTML, DL, UL, OL, LISTITEM, HDR, HR } typ;
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enum { IMPLICIT=0, PARA, CENTER} align;
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int hnumber; /* <Hn> for typ == HDR */
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} Paragraph;
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enum { ETX, SETEXT }; /* header types */
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/* a magic markdown io thing holds all the data structures needed to
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* do the backend processing of a markdown document
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*/
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typedef struct mmiot {
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FILE *out;
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Cstring in;
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int isp;
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STRING(Footnote) footnotes;
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int flags;
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#define DENY_A 0x0001
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#define DENY_IMG 0x0002
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#define DENY_SMARTY 0x0004
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#define EXPAND_QUOTE 0x0010
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#define EXPAND_BROKET 0x0020
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#define DENY_MASK (DENY_A|DENY_IMG|DENY_SMARTY|EXPAND_QUOTE|EXPAND_BROKET)
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#define EMBEDDED DENY_A|DENY_IMG|EXPAND_QUOTE|EXPAND_BROKET
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} MMIOT;
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/*
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* the mkdio text input functions return a document structure,
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* which contains a header (retrieved from the document if
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* markdown was configured * with the * --enable-pandoc-header
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* and the document begins with a pandoc-style header) and the
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* root of the linked list of Lines.
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*/
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typedef struct document {
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Line *headers; /* title -> author(s) -> date */
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ANCHOR(Line) content; /* uncompiled text, not valid after compile() */
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Paragraph *code; /* intermediate code generated by compile() */
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int compiled; /* set after mkd_compile() */
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int tabstop; /* for properly expanding tabs (ick) */
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MMIOT *ctx; /* backend buffers, flags, and structures */
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} Document;
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extern int mkd_firstnonblank(Line *);
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extern int mkd_compile(Document *, int);
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extern int mkd_generatehtml(Document *, FILE *);
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extern void mkd_cleanup(Document *);
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extern int mkd_text(char *, int, FILE*, int);
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extern Document *mkd_in(FILE *, int);
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extern Document *mkd_string(char*,int, int);
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#define NO_HEADER 0x0100
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#define STD_TABSTOP 0x0200
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#define INPUT_MASK (NO_HEADER|STD_TABSTOP)
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#endif/*_MARKDOWN_D*/
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