diff options
Diffstat (limited to 'html.c')
| -rw-r--r-- | html.c | 1085 |
1 files changed, 0 insertions, 1085 deletions
diff --git a/html.c b/html.c deleted file mode 100644 index 6d34045f..00000000 --- a/html.c +++ /dev/null @@ -1,1085 +0,0 @@ -/* $Id$ */ -/* - * 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 <sys/param.h> -#include <sys/stat.h> - -#include <assert.h> -#include <err.h> -#include <fcntl.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -#include "html.h" -#include "ml.h" - -/* TODO: allow head/tail-less invocations (just "div" start). */ - -struct htmlnode { - int tok; - enum md_ns ns; - int argc[ROFF_MAXLINEARG]; - char *argv[ROFF_MAXLINEARG]; - struct htmlnode *parent; -}; - -struct htmlq { - struct htmlnode *last; -}; - - -static int html_loadcss(struct md_mbuf *, - const char *); -static int html_alloc(void **); -static void html_free(void *); -static ssize_t html_endtag(struct ml_args *, - enum md_ns, int); -static ssize_t html_beginstring(struct ml_args *, - const char *, size_t); -static ssize_t html_endstring(struct ml_args *, - const char *, size_t); -static ssize_t html_begintag(struct ml_args *, - enum md_ns, int, - const int *, const char **); -static int html_begin(struct ml_args *, - const struct tm *, - const char *, const char *, - enum roffmsec, enum roffvol); -static int html_end(struct ml_args *, - const struct tm *, - const char *, const char *, - enum roffmsec, enum roffvol); -static int html_printargs(struct md_mbuf *, int, - const char *, const int *, - const char **, size_t *); -static ssize_t html_beginhttp(struct md_mbuf *, - const struct md_args *, - const char *, size_t); -static ssize_t html_endhttp(struct md_mbuf *, - const struct md_args *, - const char *, size_t); -static int html_blocktagname(struct md_mbuf *, - const struct md_args *, int, - struct htmlq *, const int *, - const char **, size_t *); -static int html_blocktagargs(struct md_mbuf *, - const struct md_args *, int, - const int *, const char **, size_t *); -static int html_headtagname(struct md_mbuf *, - const struct md_args *, int, - struct htmlq *, const int *, - const char **, size_t *); -static int html_headtagargs(struct md_mbuf *, - const struct md_args *, int, - const int *, const char **, size_t *); -static int html_bodytagname(struct md_mbuf *, - const struct md_args *, - int, struct htmlq *, const int *, - const char **, size_t *); -static int html_bodytagargs(struct md_mbuf *, - const struct md_args *, int, - const int *, const char **, size_t *); -static int html_inlinetagname(struct md_mbuf *, - const struct md_args *, int, size_t *); -static int html_inlinetagargs(struct md_mbuf *, - const struct md_args *, int, - const int *, const char **, size_t *); -static int html_Bl_bodytagname(struct md_mbuf *, - struct htmlq *, const int *, - const char **, size_t *); -static int html_It_blocktagname(struct md_mbuf *, - struct htmlq *, const int *, - const char **, size_t *); -static int html_It_headtagname(struct md_mbuf *, - struct htmlq *, const int *, - const char **, size_t *); -static int html_It_bodytagname(struct md_mbuf *, - struct htmlq *, const int *, - const char **, size_t *); -static int html_tputln(struct md_mbuf *, - enum ml_scope, int, enum html_tag); -static int html_aputln(struct md_mbuf *, enum ml_scope, - int, enum html_tag, - int, const struct html_pair *); - - -/* ARGSUSED */ -static int -html_It_headtagname(struct md_mbuf *mbuf, struct htmlq *q, - const int *argc, const char **argv, size_t *res) -{ - struct htmlnode *n; - int i; - struct html_pair attr[2]; - - for (n = q->last; n; n = n->parent) - if (n->tok == ROFF_Bl) - break; - - assert(n); - - /* LINTED */ - for (i = 0; ROFF_ARGMAX != n->argc[i] && - i < ROFF_MAXLINEARG; i++) { - switch (n->argc[i]) { - case (ROFF_Ohang): - return(html_stput(mbuf, HTML_TAG_DIV, res)); - case (ROFF_Tag): - attr[0].attr = HTML_ATTR_VALIGN; - attr[0].val = "top"; - attr[1].attr = HTML_ATTR_NOWRAP; - attr[1].val = "true"; - return(html_saput(mbuf, HTML_TAG_TD, - res, 2, attr)); - case (ROFF_Column): - attr[0].attr = HTML_ATTR_VALIGN; - attr[0].val = "top"; - return(html_saput(mbuf, HTML_TAG_TD, - res, 1, attr)); - default: - break; - } - } - - return(0); -} - - -/* ARGSUSED */ -static int -html_It_bodytagname(struct md_mbuf *mbuf, struct htmlq *q, - const int *argc, const char **argv, size_t *res) -{ - struct htmlnode *n; - int i; - struct html_pair attr[1]; - - for (n = q->last; n; n = n->parent) - if (n->tok == ROFF_Bl) - break; - - assert(n); - - /* LINTED */ - for (i = 0; ROFF_ARGMAX != n->argc[i] && - i < ROFF_MAXLINEARG; i++) { - switch (n->argc[i]) { - case (ROFF_Enum): - /* FALLTHROUGH */ - case (ROFF_Bullet): - /* FALLTHROUGH */ - case (ROFF_Dash): - /* FALLTHROUGH */ - case (ROFF_Hyphen): - /* FALLTHROUGH */ - case (ROFF_Item): - /* FALLTHROUGH */ - case (ROFF_Diag): - /* FALLTHROUGH */ - case (ROFF_Hang): - /* FALLTHROUGH */ - case (ROFF_Ohang): - /* FALLTHROUGH */ - case (ROFF_Inset): - return(html_stput(mbuf, HTML_TAG_DIV, res)); - case (ROFF_Tag): - /* FALLTHROUGH */ - case (ROFF_Column): - attr[0].attr = HTML_ATTR_VALIGN; - attr[0].val = "top"; - return(html_saput(mbuf, HTML_TAG_TD, - res, 1, attr)); - default: - break; - } - } - - assert(i != ROFF_MAXLINEARG); - return(0); -} - - -/* ARGSUSED */ -static int -html_Bl_bodytagname(struct md_mbuf *mbuf, struct htmlq *q, - const int *argc, const char **argv, size_t *res) -{ - int i; - - for (i = 0; ROFF_ARGMAX != argc[i] - && i < ROFF_MAXLINEARG; i++) { - switch (argc[i]) { - case (ROFF_Enum): - return(html_stput(mbuf, HTML_TAG_OL, res)); - case (ROFF_Bullet): - /* FALLTHROUGH */ - case (ROFF_Dash): - /* FALLTHROUGH */ - case (ROFF_Hyphen): - /* FALLTHROUGH */ - case (ROFF_Item): - /* FALLTHROUGH */ - case (ROFF_Diag): - /* FALLTHROUGH */ - case (ROFF_Hang): - /* FALLTHROUGH */ - case (ROFF_Ohang): - /* FALLTHROUGH */ - case (ROFF_Inset): - return(html_stput(mbuf, HTML_TAG_UL, res)); - case (ROFF_Tag): - /* FALLTHROUGH */ - case (ROFF_Column): - return(html_stput(mbuf, HTML_TAG_TABLE, res)); - default: - break; - } - } - - assert(i != ROFF_MAXLINEARG); - return(0); -} - - -/* ARGSUSED */ -static int -html_It_blocktagname(struct md_mbuf *mbuf, struct htmlq *q, - const int *argc, const char **argv, size_t *res) -{ - struct htmlnode *n; - int i; - - for (n = q->last; n; n = n->parent) - if (n->tok == ROFF_Bl) - break; - - assert(n); - - /* LINTED */ - for (i = 0; ROFF_ARGMAX != n->argc[i] && - i < ROFF_MAXLINEARG; i++) { - switch (n->argc[i]) { - case (ROFF_Enum): - /* FALLTHROUGH */ - case (ROFF_Bullet): - /* FALLTHROUGH */ - case (ROFF_Dash): - /* FALLTHROUGH */ - case (ROFF_Hyphen): - /* FALLTHROUGH */ - case (ROFF_Item): - /* FALLTHROUGH */ - case (ROFF_Diag): - /* FALLTHROUGH */ - case (ROFF_Hang): - /* FALLTHROUGH */ - case (ROFF_Ohang): - /* FALLTHROUGH */ - case (ROFF_Inset): - return(html_stput(mbuf, HTML_TAG_LI, res)); - case (ROFF_Tag): - /* FALLTHROUGH */ - case (ROFF_Column): - return(html_stput(mbuf, HTML_TAG_TR, res)); - default: - break; - } - } - - assert(i != ROFF_MAXLINEARG); - return(0); -} - - -static int -html_loadcss(struct md_mbuf *mbuf, const char *css) -{ - size_t res, bufsz; - char *buf; - struct stat st; - int fd, c; - ssize_t ssz; - - c = 0; - res = 0; - buf = NULL; - - if (-1 == (fd = open(css, O_RDONLY, 0))) { - warn("%s", css); - return(0); - } - - if (-1 == fstat(fd, &st)) { - warn("%s", css); - goto out; - } - - bufsz = MAX(st.st_blksize, BUFSIZ); - if (NULL == (buf = malloc(bufsz))) { - warn("malloc"); - goto out; - } - - for (;;) { - if (-1 == (ssz = read(fd, buf, bufsz))) { - warn("%s", css); - goto out; - } else if (0 == ssz) - break; - if ( ! ml_nputs(mbuf, buf, (size_t)ssz, &res)) - goto out; - } - - c = 1; - -out: - if (-1 == close(fd)) { - warn("%s", css); - c = 0; - } - - if (buf) - free(buf); - - return(c); -} - - -static int -html_tputln(struct md_mbuf *mbuf, enum ml_scope scope, - int i, enum html_tag tag) -{ - - if ( ! ml_putchars(mbuf, ' ', INDENT(i) * INDENT_SZ, NULL)) - return(0); - if ( ! html_tput(mbuf, scope, tag, NULL)) - return(0); - return(ml_nputs(mbuf, "\n", 1, NULL)); -} - - -static int -html_aputln(struct md_mbuf *mbuf, enum ml_scope scope, int i, - enum html_tag tag, int sz, const struct html_pair *p) -{ - - if ( ! ml_putchars(mbuf, ' ', INDENT(i) * INDENT_SZ, NULL)) - return(0); - if ( ! html_aput(mbuf, scope, tag, NULL, sz, p)) - return(0); - return(ml_nputs(mbuf, "\n", 1, NULL)); -} - - -/* ARGSUSED */ -static int -html_begin(struct ml_args *p, const struct tm *tm, const char *os, - const char *name, enum roffmsec msec, enum roffvol vol) -{ - enum roffvol bvol; - struct html_pair attr[4]; - char ts[32], title[64]; - int i; - - (void)snprintf(ts, sizeof(ts), "%s(%s)", - name, roff_msecname(msec)); - - if (vol >= ROFF_ARCH_START) { - switch (msec) { - case(ROFF_MSEC_1): - /* FALLTHROUGH */ - case(ROFF_MSEC_6): - /* FALLTHROUGH */ - case(ROFF_MSEC_7): - bvol = ROFF_VOL_URM; - break; - case(ROFF_MSEC_2): - /* FALLTHROUGH */ - case(ROFF_MSEC_3): - /* FALLTHROUGH */ - case(ROFF_MSEC_3p): - /* FALLTHROUGH */ - case(ROFF_MSEC_4): - /* FALLTHROUGH */ - case(ROFF_MSEC_5): - bvol = ROFF_VOL_PRM; - break; - case(ROFF_MSEC_8): - bvol = ROFF_VOL_PRM; - break; - case(ROFF_MSEC_9): - bvol = ROFF_VOL_KM; - break; - case(ROFF_MSEC_UNASS): - /* FALLTHROUGH */ - case(ROFF_MSEC_DRAFT): - /* FALLTHROUGH */ - case(ROFF_MSEC_PAPER): - bvol = ROFF_VOL_NONE; - break; - default: - abort(); - /* NOTREACHED */ - } - - (void)snprintf(title, sizeof(title), "%s (%s)", - roff_volname(bvol), roff_volname(vol)); - } else - (void)snprintf(title, sizeof(title), "%s", roff_volname(vol)); - - - i = 0; - - if ( ! html_typeput(p->mbuf, HTML_TYPE_4_01_STRICT, NULL)) - return(0); - if ( ! html_tputln(p->mbuf, ML_OPEN, i, HTML_TAG_HTML)) - return(0); - if ( ! html_tputln(p->mbuf, ML_OPEN, i++, HTML_TAG_HEAD)) - return(0); - - attr[0].attr = HTML_ATTR_HTTP_EQUIV; - attr[0].val = "content-type"; - attr[1].attr = HTML_ATTR_CONTENT; - attr[1].val = "text/html;charset=utf-8"; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_META, 2, attr)) - return(0); - - attr[0].attr = HTML_ATTR_NAME; - attr[0].val = "resource-type"; - attr[1].attr = HTML_ATTR_CONTENT; - attr[1].val = "document"; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_META, 2, attr)) - return(0); - - if ( ! html_tputln(p->mbuf, ML_OPEN, i, HTML_TAG_TITLE)) - return(0); - if ( ! ml_putstring(p->mbuf, ts, NULL)) - return(0); - if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TITLE)) - return(0); - - if (HTML_CSS_EMBED & p->args->params.html.flags) { - attr[0].attr = HTML_ATTR_TYPE; - attr[0].val = "text/css"; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i, - HTML_TAG_STYLE, 1, attr)) - return(0); - if ( ! html_commentput(p->mbuf, ML_OPEN, NULL)) - return(0); - - if ( ! html_loadcss(p->mbuf, p->args->params.html.css)) - return(0); - - if ( ! html_commentput(p->mbuf, ML_CLOSE, NULL)) - return(0); - if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_STYLE)) - return(0); - } else { - attr[0].attr = HTML_ATTR_REL; - attr[0].val = "stylesheet"; - attr[1].attr = HTML_ATTR_TYPE; - attr[1].val = "text/css"; - attr[2].attr = HTML_ATTR_HREF; - attr[2].val = p->args->params.html.css; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i, - HTML_TAG_LINK, 3, attr)) - return(0); - } - - if ( ! html_tputln(p->mbuf, ML_CLOSE, --i, HTML_TAG_HEAD)) - return(0); - if ( ! html_tputln(p->mbuf, ML_OPEN, i, HTML_TAG_BODY)) - return(0); - - attr[0].attr = HTML_ATTR_CLASS; - attr[0].val = "mdoc"; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_DIV, 1, attr)) - return(0); - - attr[0].attr = HTML_ATTR_WIDTH; - attr[0].val = "100%"; - attr[1].attr = HTML_ATTR_CLASS; - attr[1].val = "header-table"; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i++, HTML_TAG_TABLE, 2, attr)) - return(0); - if ( ! html_tputln(p->mbuf, ML_OPEN, i++, HTML_TAG_TR)) - return(0); - - attr[0].attr = HTML_ATTR_ALIGN; - attr[0].val = "left"; - attr[1].attr = HTML_ATTR_CLASS; - attr[1].val = "header-section"; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_TD, 2, attr)) - return(0); - if ( ! ml_putstring(p->mbuf, ts, NULL)) - return(0); - if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TD)) - return(0); - - attr[0].attr = HTML_ATTR_ALIGN; - attr[0].val = "center"; - attr[1].attr = HTML_ATTR_CLASS; - attr[1].val = "header-volume"; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_TD, 2, attr)) - return(0); - if ( ! ml_putstring(p->mbuf, title, NULL)) - return(0); - if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TD)) - return(0); - - attr[0].attr = HTML_ATTR_ALIGN; - attr[0].val = "right"; - attr[1].attr = HTML_ATTR_CLASS; - attr[1].val = "header-section"; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_TD, 2, attr)) - return(0); - if ( ! ml_putstring(p->mbuf, ts, NULL)) - return(0); - if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TD)) - return(0); - - if ( ! html_tputln(p->mbuf, ML_CLOSE, --i, HTML_TAG_TR)) - return(0); - return(html_tputln(p->mbuf, ML_CLOSE, --i, HTML_TAG_TABLE)); -} - - -/* ARGSUSED */ -static int -html_end(struct ml_args *p, const struct tm *tm, const char *os, - const char *name, enum roffmsec msec, enum roffvol vol) -{ - struct html_pair attr[4]; - int i; - char ts[64]; - - if (0 == strftime(ts, sizeof(ts), "%B %d, %Y", tm)) { - warn("strftime"); - return(0); - } - - i = 0; - - attr[0].attr = HTML_ATTR_WIDTH; - attr[0].val = "100%"; - attr[1].attr = HTML_ATTR_CLASS; - attr[1].val = "header-footer"; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i++, HTML_TAG_TABLE, 2, attr)) - return(0); - if ( ! html_tputln(p->mbuf, ML_OPEN, i++, HTML_TAG_TR)) - return(0); - - attr[0].attr = HTML_ATTR_ALIGN; - attr[0].val = "left"; - attr[1].attr = HTML_ATTR_CLASS; - attr[1].val = "footer-os"; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_TD, 2, attr)) - return(0); - if ( ! ml_putstring(p->mbuf, os, NULL)) - return(0); - if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TD)) - return(0); - - attr[0].attr = HTML_ATTR_ALIGN; - attr[0].val = "right"; - attr[1].attr = HTML_ATTR_CLASS; - attr[1].val = "footer-date"; - - if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_TD, 2, attr)) - return(0); - if ( ! ml_putstring(p->mbuf, ts, NULL)) - return(0); - if ( ! html_tputln(p->mbuf, ML_CLOSE, i, HTML_TAG_TD)) - return(0); - - if ( ! html_tputln(p->mbuf, ML_CLOSE, --i, HTML_TAG_TR)) - return(0); - if ( ! html_tputln(p->mbuf, ML_CLOSE, --i, HTML_TAG_TABLE)) - return(0); - - if ( ! html_tputln(p->mbuf, ML_CLOSE, 0, HTML_TAG_DIV)) - return(0); - if ( ! html_tputln(p->mbuf, ML_CLOSE, 0, HTML_TAG_BODY)) - return(0); - return(html_tputln(p->mbuf, ML_CLOSE, 0, HTML_TAG_HTML)); -} - - -/* ARGSUSED */ -static int -html_bodytagname(struct md_mbuf *mbuf, - const struct md_args *args, int tok, struct htmlq *q, - const int *argc, const char **argv, size_t *res) -{ - - switch (tok) { - case (ROFF_Bl): - return(html_Bl_bodytagname(mbuf, q, argc, argv, res)); - case (ROFF_Fo): - return(html_stput(mbuf, HTML_TAG_SPAN, res)); - case (ROFF_It): - return(html_It_bodytagname(mbuf, q, argc, argv, res)); - case (ROFF_Oo): - return(html_stput(mbuf, HTML_TAG_SPAN, res)); - default: - break; - } - - return(html_stput(mbuf, HTML_TAG_DIV, res)); -} - - -/* ARGSUSED */ -static int -html_headtagname(struct md_mbuf *mbuf, - const struct md_args *args, int tok, struct htmlq *q, - const int *argc, const char **argv, size_t *res) -{ - - switch (tok) { - case (ROFF_It): - return(html_It_headtagname(mbuf, q, argc, argv, res)); - case (ROFF_Fo): - /* FALLTHROUGH */ - case (ROFF_Oo): - return(html_stput(mbuf, HTML_TAG_SPAN, res)); - case (ROFF_Sh): - return(html_stput(mbuf, HTML_TAG_H1, res)); - case (ROFF_Ss): - return(html_stput(mbuf, HTML_TAG_H2, res)); - default: - break; - } - - return(html_stput(mbuf, HTML_TAG_DIV, res)); -} - - -/* ARGSUSED */ -static int -html_blocktagname(struct md_mbuf *mbuf, const struct md_args *args, - int tok, struct htmlq *q, const int *argc, - const char **argv, size_t *res) -{ - - switch (tok) { - case (ROFF_Fo): - /* FALLTHROUGH */ - case (ROFF_Oo): - return(html_stput(mbuf, HTML_TAG_SPAN, res)); - case (ROFF_It): - return(html_It_blocktagname(mbuf, q, argc, argv, res)); - default: - break; - } - - return(html_stput(mbuf, HTML_TAG_DIV, res)); -} - - -/* ARGSUSED */ -static int -html_printargs(struct md_mbuf *mbuf, int tok, const char *ns, - const int *argc, const char **argv, size_t *res) -{ - - /* FIXME: use API in ml.h. */ - - if ( ! ml_puts(mbuf, " class=\"", res)) - return(0); - if ( ! ml_puts(mbuf, ns, res)) - return(0); - if ( ! ml_puts(mbuf, "-", res)) - return(0); - if ( ! ml_puts(mbuf, toknames[tok], res)) - return(0); - return(ml_puts(mbuf, "\"", res)); -} - - -/* ARGSUSED */ -static int -html_headtagargs(struct md_mbuf *mbuf, - const struct md_args *args, int tok, - const int *argc, const char **argv, size_t *res) -{ - - return(html_printargs(mbuf, tok, "head", argc, argv, res)); -} - - -/* ARGSUSED */ -static int -html_bodytagargs(struct md_mbuf *mbuf, - const struct md_args *args, int tok, - const int *argc, const char **argv, size_t *res) -{ - - return(html_printargs(mbuf, tok, "body", argc, argv, res)); -} - - -/* ARGSUSED */ -static int -html_blocktagargs(struct md_mbuf *mbuf, - const struct md_args *args, int tok, - const int *argc, const char **argv, size_t *res) -{ - - return(html_printargs(mbuf, tok, "block", argc, argv, res)); -} - - -/* ARGSUSED */ -static int -html_inlinetagargs(struct md_mbuf *mbuf, - const struct md_args *args, int tok, - const int *argc, const char **argv, size_t *res) -{ - - if ( ! html_printargs(mbuf, tok, "inline", argc, argv, res)) - return(0); - - switch (tok) { - case (ROFF_Sh): - - /* FIXME: use API in ml.h. */ - - assert(*argv); - if ( ! ml_nputs(mbuf, " name=\"", 7, res)) - return(0); - if ( ! ml_putstring(mbuf, *argv++, res)) - return(0); - while (*argv) { - if ( ! ml_putstring(mbuf, "_", res)) - return(0); - if ( ! ml_putstring(mbuf, *argv++, res)) - return(0); - } - if ( ! ml_nputs(mbuf, "\"", 1, res)) - return(0); - break; - - case (ROFF_Sx): - - /* FIXME: use API in ml.h. */ - - assert(*argv); - if ( ! ml_nputs(mbuf, " href=\"#", 8, res)) - return(0); - if ( ! ml_putstring(mbuf, *argv++, res)) - return(0); - while (*argv) { - if ( ! ml_putstring(mbuf, "_", res)) - return(0); - if ( ! ml_putstring(mbuf, *argv++, res)) - return(0); - } - if ( ! ml_nputs(mbuf, "\"", 1, res)) - return(0); - - break; - default: - break; - } - - return(1); -} - - -/* ARGSUSED */ -static int -html_inlinetagname(struct md_mbuf *mbuf, - const struct md_args *args, int tok, size_t *res) -{ - - switch (tok) { - case (ROFF_Dl): - /* FALLTHROUGH */ - case (ROFF_D1): - return(html_stput(mbuf, HTML_TAG_DIV, res)); - case (ROFF_Sh): - return(html_stput(mbuf, HTML_TAG_A, res)); - case (ROFF_Pp): - return(html_stput(mbuf, HTML_TAG_DIV, res)); - case (ROFF_Sx): - return(html_stput(mbuf, HTML_TAG_A, res)); - default: - break; - } - - return(html_stput(mbuf, HTML_TAG_SPAN, res)); -} - - -static ssize_t -html_begintag(struct ml_args *p, enum md_ns ns, - int tok, const int *argc, const char **argv) -{ - size_t res; - struct htmlq *q; - struct htmlnode *node; - int i; - - assert(ns != MD_NS_DEFAULT); - res = 0; - - q = (struct htmlq *)p->data; - - if (NULL == (node = calloc(1, sizeof(struct htmlnode)))) { - warn("calloc"); - return(-1); - } - - node->parent = q->last; - node->tok = tok; - node->ns = ns; - - if (argc) { - /* TODO: argv. */ - - assert(argv); - /* LINTED */ - for (i = 0; ROFF_ARGMAX != argc[i] - && i < ROFF_MAXLINEARG; i++) - node->argc[i] = argc[i]; - assert(i != ROFF_MAXLINEARG); - } - - - q->last = node; - - switch (ns) { - case (MD_NS_BLOCK): - if ( ! html_blocktagname(p->mbuf, p->args, tok, - q, argc, argv, &res)) - return(-1); - if ( ! html_blocktagargs(p->mbuf, p->args, tok, - argc, argv, &res)) - return(-1); - break; - case (MD_NS_BODY): - if ( ! html_bodytagname(p->mbuf, p->args, tok, - q, argc, argv, &res)) - return(-1); - if ( ! html_bodytagargs(p->mbuf, p->args, tok, - argc, argv, &res)) - return(-1); - break; - case (MD_NS_HEAD): - if ( ! html_headtagname(p->mbuf, p->args, tok, q, - argc, argv, &res)) - return(-1); - if ( ! html_headtagargs(p->mbuf, p->args, tok, - argc, argv, &res)) - return(-1); - break; - default: - if ( ! html_inlinetagname(p->mbuf, p->args, tok, &res)) - return(-1); - if ( ! html_inlinetagargs(p->mbuf, p->args, tok, - argc, argv, &res)) - return(-1); - break; - } - - return((ssize_t)res); -} - - -static ssize_t -html_endtag(struct ml_args *p, enum md_ns ns, int tok) -{ - size_t res; - struct htmlq *q; - struct htmlnode *node; - - assert(ns != MD_NS_DEFAULT); - res = 0; - - q = (struct htmlq *)p->data; - node = q->last; - - switch (ns) { - case (MD_NS_BLOCK): - if ( ! html_blocktagname(p->mbuf, p->args, tok, - q, node->argc, - (const char **)node->argv, &res)) - return(-1); - break; - case (MD_NS_BODY): - if ( ! html_bodytagname(p->mbuf, p->args, tok, - q, node->argc, - (const char **)node->argv, &res)) - return(-1); - break; - case (MD_NS_HEAD): - if ( ! html_headtagname(p->mbuf, p->args, tok, - q, node->argc, - (const char **)node->argv, &res)) - return(-1); - break; - default: - if ( ! html_inlinetagname(p->mbuf, p->args, tok, &res)) - return(-1); - break; - } - - q->last = node->parent; - - free(node); - - return((ssize_t)res); -} - - -static int -html_alloc(void **p) -{ - - if (NULL == (*p = calloc(1, sizeof(struct htmlq)))) { - warn("calloc"); - return(0); - } - return(1); -} - - -static void -html_free(void *p) -{ - struct htmlq *q; - struct htmlnode *n; - - assert(p); - q = (struct htmlq *)p; - - /* LINTED */ - while ((n = q->last)) { - q->last = n->parent; - free(n); - } - - free(q); -} - - -/* ARGSUSED */ -static ssize_t -html_beginhttp(struct md_mbuf *mbuf, - const struct md_args *args, - const char *buf, size_t sz) -{ - size_t res; - struct html_pair pair; - - res = 0; - pair.attr = HTML_ATTR_HREF; - pair.val = (char *)buf; - - if ( ! html_aput(mbuf, ML_OPEN, HTML_TAG_A, &res, 1, &pair)) - return(-1); - return((ssize_t)res); -} - - -/* ARGSUSED */ -static ssize_t -html_endhttp(struct md_mbuf *mbuf, - const struct md_args *args, - const char *buf, size_t sz) -{ - size_t res; - - res = 0; - if ( ! html_tput(mbuf, ML_CLOSE, HTML_TAG_A, &res)) - return(-1); - return((ssize_t)res); -} - - -/* ARGSUSED */ -static ssize_t -html_beginstring(struct ml_args *p, const char *buf, size_t sz) -{ - - if (0 == strncmp(buf, "http://", 7)) - return(html_beginhttp(p->mbuf, p->args, buf, sz)); - - return(0); -} - - -/* ARGSUSED */ -static ssize_t -html_endstring(struct ml_args *p, const char *buf, size_t sz) -{ - - if (0 == strncmp(buf, "http://", 7)) - return(html_endhttp(p->mbuf, p->args, buf, sz)); - - return(0); -} - - -int -md_line_html(void *data, char *buf) -{ - - return(mlg_line((struct md_mlg *)data, buf)); -} - - -int -md_exit_html(void *data, int flush) -{ - - return(mlg_exit((struct md_mlg *)data, flush)); -} - - -void * -md_init_html(const struct md_args *args, - struct md_mbuf *mbuf, const struct md_rbuf *rbuf) -{ - struct ml_cbs cbs; - - cbs.ml_alloc = html_alloc; - cbs.ml_free = html_free; - cbs.ml_begintag = html_begintag; - cbs.ml_endtag = html_endtag; - cbs.ml_begin = html_begin; - cbs.ml_end = html_end; - cbs.ml_beginstring = html_beginstring; - cbs.ml_endstring = html_endstring; - - return(mlg_alloc(args, rbuf, mbuf, &cbs)); -} |