diff options
Diffstat (limited to 'tags.c')
| -rw-r--r-- | tags.c | 187 |
1 files changed, 187 insertions, 0 deletions
@@ -0,0 +1,187 @@ +/* $Id: tags.c,v 1.1 2008/12/10 00:52:46 kristaps Exp $ */ +/* + * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> + * + * 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. + */ +#include <assert.h> +#include <stdarg.h> +#include <stdlib.h> + +#include "html.h" + +static int html_tstart(struct md_mbuf *, enum ml_scope, + enum html_tag, size_t *); +static int html_tclose(struct md_mbuf *, size_t *); + +static const char * const tagnames[] = { + "span", "html", "head", "meta", + "title", "style", "link", "body", + "div", "table", "td", "tr", + "ol", "ul", "li", "h1", + "h2", "a", + }; + +static const char * const attrnames[] = { + "class", "http-equiv", "content", "name", + "type", "rel", "href", "width", + }; + +static const char * const typenames[] = { + "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"" + "\"http://www.w3.org/TR/html4/strict.dtd\">", + }; + + +/* FIXME: move into ml.c. */ +static int +html_tstart(struct md_mbuf *mbuf, enum ml_scope scope, + enum html_tag tag, size_t *res) +{ + + switch (scope) { + case (ML_OPEN): + if ( ! ml_nputs(mbuf, "<", 1, res)) + return(0); + break; + case (ML_CLOSE): + if ( ! ml_nputs(mbuf, "</", 2, res)) + return(0); + break; + default: + abort(); + /* NOTREACHED */ + } + + return(ml_puts(mbuf, tagnames[tag], res)); +} + + +/* FIXME: move into ml.c. */ +static int +html_tclose(struct md_mbuf *mbuf, size_t *res) +{ + + return(ml_nputs(mbuf, ">", 1, res)); +} + + + +int +html_stput(struct md_mbuf *mbuf, enum html_tag tag, size_t *res) +{ + + return(ml_puts(mbuf, tagnames[tag], res)); +} + + +int +html_saput(struct md_mbuf *mbuf, enum html_tag tag, + size_t *res, int sz, const struct html_pair *p) +{ + int i; + + if ( ! ml_puts(mbuf, tagnames[tag], res)) + return(0); + + assert(sz >= 0); + for (i = 0; i < sz; i++) { + + /* FIXME: move into ml.c. */ + + if ( ! ml_nputs(mbuf, " ", 1, res)) + return(0); + if ( ! ml_puts(mbuf, attrnames[p[i].attr], res)) + return(0); + if ( ! ml_nputs(mbuf, "=\"", 2, res)) + return(0); + if ( ! ml_putstring(mbuf, p[i].val, res)) + return(0); + if ( ! ml_nputs(mbuf, "\"", 1, res)) + return(0); + } + + return(1); +} + + +int +html_tput(struct md_mbuf *mbuf, enum ml_scope scope, + enum html_tag tag, size_t *res) +{ + + if ( ! html_tstart(mbuf, scope, tag, res)) + return(0); + return(html_tclose(mbuf, res)); +} + + +int +html_aput(struct md_mbuf *mbuf, enum ml_scope scope, + enum html_tag tag, size_t *res, + int sz, const struct html_pair *p) +{ + int i; + + if ( ! html_tstart(mbuf, scope, tag, res)) + return(0); + + assert(sz >= 0); + for (i = 0; i < sz; i++) { + + /* FIXME: move into ml.c. */ + + if ( ! ml_nputs(mbuf, " ", 1, res)) + return(0); + if ( ! ml_puts(mbuf, attrnames[p[i].attr], res)) + return(0); + if ( ! ml_nputs(mbuf, "=\"", 2, res)) + return(0); + if ( ! ml_putstring(mbuf, p[i].val, res)) + return(0); + if ( ! ml_nputs(mbuf, "\"", 1, res)) + return(0); + } + + return(html_tclose(mbuf, res)); +} + + +int +html_typeput(struct md_mbuf *mbuf, + enum html_type type, size_t *res) +{ + + return(ml_puts(mbuf, typenames[type], res)); +} + + +int +html_commentput(struct md_mbuf *mbuf, + enum ml_scope scope, size_t *res) +{ + + switch (scope) { + case (ML_OPEN): + return(ml_nputs(mbuf, "<!--", 4, res)); + case (ML_CLOSE): + return(ml_nputs(mbuf, "-->", 3, res)); + default: + break; + } + + abort(); + /* NOTREACHED */ +} |