" #define TAG_TITLE

/* $Id$ */ /* * Copyright (c) 2008 Kristaps Dzonsons * * 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 #include #include #include #include #include #include #include #include #include "private.h" #include "ml.h" #define TAG_HTML "" #define TAG_HTML_END "" #define TAG_BODY "" #define TAG_BODY_END "" #define TAG_DIV_MDOC "

" #define TAG_DIV_END "

" #define TAG_STYLE_CSS "" #define TAG_HEAD "" #define TAG_HEAD_END "" #define TAG_TITLE "" #define TAG_TITLE_END "" #define TAG_LINK_CSS "" #define TAG_DOCTYPE "" #define TAG_RESTYPE "" #define TAG_CONTTYPE "" /* 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 md_mbuf *, void *, const struct md_args *, enum md_ns, int); static ssize_t html_beginstring(struct md_mbuf *, const struct md_args *, const char *, size_t); static ssize_t html_beginhttp(struct md_mbuf *, const struct md_args *, const char *, size_t); static ssize_t html_endstring(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 ssize_t html_begintag(struct md_mbuf *, void *, const struct md_args *, enum md_ns, int, const int *, const char **); static int html_begin(struct md_mbuf *, const struct md_args *, const struct tm *, const char *, const char *, enum roffmsec, const char *); static int html_printargs(struct md_mbuf *, int, const char *, const int *, const char **, size_t *); static int html_end(struct md_mbuf *, const struct md_args *); 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 *); /* 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; 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(ml_nputs(mbuf, "div", 3, res)); case (ROFF_Tag): /* FALLTHROUGH */ case (ROFF_Column): return(ml_nputs(mbuf, "td", 2, res)); 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; 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(ml_nputs(mbuf, "div", 3, res)); case (ROFF_Tag): /* FALLTHROUGH */ case (ROFF_Column): return(ml_nputs(mbuf, "td", 2, res)); 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(ml_nputs(mbuf, "ol", 2, 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(ml_nputs(mbuf, "ul", 2, res)); case (ROFF_Tag): /* FALLTHROUGH */ case (ROFF_Column): return(ml_nputs(mbuf, "table", 5, 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(ml_nputs(mbuf, "li", 2, res)); case (ROFF_Tag): /* FALLTHROUGH */ case (ROFF_Column): return(ml_nputs(mbuf, "tr", 2, 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_putline(struct md_mbuf *mbuf, size_t indent, const char *p, size_t *res) { /* FIXME: use INDENT macro for this. */ if ( ! ml_putchars(mbuf, ' ', indent * 4, res)) return(0); if ( ! ml_puts(mbuf, p, res)) return(0); return(ml_nputs(mbuf, "\n", 1, res)); } static int html_putlinestart(struct md_mbuf *mbuf, size_t indent, const char *p, size_t *res) { if ( ! ml_putchars(mbuf, ' ', indent * 4, res)) return(0); return(ml_puts(mbuf, p, res)); } /* ARGSUSED */ static int html_begin(struct md_mbuf *mbuf, const struct md_args *args, const struct tm *tm, const char *os, const char *title, enum roffmsec section, const char *vol) { char mtitle[128], css[128]; size_t i; (void)snprintf(mtitle, sizeof(mtitle), "Manual Page for %s(%s)", title, roff_msecname(section)); (void)snprintf(css, sizeof(css), TAG_LINK_CSS, args->params.html.css); i = 0; if ( ! html_putline(mbuf, i, TAG_DOCTYPE, NULL)) return(0); if ( ! html_putline(mbuf, i, TAG_HTML, NULL)) return(0); if ( ! html_putline(mbuf, i++, TAG_HEAD, NULL)) return(0); if ( ! html_putline(mbuf, i, TAG_CONTTYPE, NULL)) return(0); if ( ! html_putline(mbuf, i, TAG_RESTYPE, NULL)) return(0); if ( ! html_putlinestart(mbuf, i, TAG_TITLE, NULL)) return(0); if ( ! ml_putstring(mbuf, mtitle, NULL)) return(0); if ( ! html_putline(mbuf, i, TAG_TITLE_END, NULL)) return(0); if (HTML_CSS_EMBED & args->params.html.flags) { if ( ! html_putline(mbuf, i, TAG_STYLE_CSS, NULL)) return(0); if ( ! html_loadcss(mbuf, args->params.html.css)) return(0); if ( ! html_putline(mbuf, i, TAG_STYLE_END, NULL)) return(0); } else if ( ! html_putline(mbuf, i, css, NULL)) return(0); if ( ! html_putline(mbuf, --i, TAG_HEAD_END, NULL)) return(0); if ( ! html_putline(mbuf, i, TAG_BODY, NULL)) return(0); if ( ! html_putline(mbuf, i, TAG_DIV_MDOC, NULL)) return(0); if ( ! html_putline(mbuf, i++, "", NULL)) return(0); if ( ! html_putline(mbuf, i++, "", NULL)) return(0); if ( ! html_putline(mbuf, i++, "", NULL)) return(0); if ( ! html_putline(mbuf, i++, "", NULL)) return(0); if ( ! html_putline(mbuf, i++, "", NULL)) return(0); if ( ! html_putline(mbuf, --i, "", NULL)) return(0); if ( ! html_putline(mbuf, --i, "

", NULL)) return(0); if ( ! ml_putstring(mbuf, title, NULL)) return(0); if ( ! html_putline(mbuf, --i, "

", NULL)) return(0); if ( ! ml_putstring(mbuf, "Hello, world.", NULL)) return(0); if ( ! html_putline(mbuf, --i, "

", NULL)) return(0); if ( ! ml_putstring(mbuf, title, NULL)) return(0); if ( ! html_putline(mbuf, --i, "

", NULL)) return(0); return(1); } /* ARGSUSED */ static int html_end(struct md_mbuf *mbuf, const struct md_args *args) { if ( ! html_putline(mbuf, 0, TAG_DIV_END, NULL)) return(0); if ( ! html_putline(mbuf, 0, TAG_BODY_END, NULL)) return(0); return(html_putline(mbuf, 0, TAG_HTML_END, NULL)); } /* 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(ml_nputs(mbuf, "span", 4, res)); case (ROFF_It): return(html_It_bodytagname(mbuf, q, argc, argv, res)); case (ROFF_Oo): return(ml_nputs(mbuf, "span", 4, res)); default: break; } return(ml_puts(mbuf, "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): return(ml_nputs(mbuf, "span", 4, res)); case (ROFF_Oo): return(ml_nputs(mbuf, "span", 4, res)); case (ROFF_Sh): return(ml_nputs(mbuf, "h1", 2, res)); case (ROFF_Ss): return(ml_nputs(mbuf, "h2", 2, res)); default: break; } return(ml_nputs(mbuf, "div", 3, 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): return(ml_nputs(mbuf, "span", 4, res)); case (ROFF_Oo): return(ml_nputs(mbuf, "span", 4, res)); case (ROFF_It): return(html_It_blocktagname(mbuf, q, argc, argv, res)); default: break; } return(ml_puts(mbuf, "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) { 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_Sx): assert(*argv); if ( ! ml_nputs(mbuf, " href=\"#", 8, 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_Pp): return(ml_nputs(mbuf, "div", 3, res)); case (ROFF_Sx): return(ml_nputs(mbuf, "a", 1, res)); default: break; } return(ml_puts(mbuf, "span", res)); } static ssize_t html_begintag(struct md_mbuf *mbuf, void *data, const struct md_args *args, 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; assert(data); q = (struct htmlq *)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(mbuf, args, tok, q, argc, argv, &res)) return(-1); if ( ! html_blocktagargs(mbuf, args, tok, argc, argv, &res)) return(-1); break; case (MD_NS_BODY): if ( ! html_bodytagname(mbuf, args, tok, q, argc, argv, &res)) return(-1); if ( ! html_bodytagargs(mbuf, args, tok, argc, argv, &res)) return(-1); break; case (MD_NS_HEAD): if ( ! html_headtagname(mbuf, args, tok, q, argc, argv, &res)) return(-1); if ( ! html_headtagargs(mbuf, args, tok, argc, argv, &res)) return(-1); break; default: if ( ! html_inlinetagname(mbuf, args, tok, &res)) return(-1); if ( ! html_inlinetagargs(mbuf, args, tok, argc, argv, &res)) return(-1); break; } return((ssize_t)res); } static ssize_t html_endtag(struct md_mbuf *mbuf, void *data, const struct md_args *args, enum md_ns ns, int tok) { size_t res; struct htmlq *q; struct htmlnode *node; assert(ns != MD_NS_DEFAULT); res = 0; assert(data); q = (struct htmlq *)data; node = q->last; switch (ns) { case (MD_NS_BLOCK): if ( ! html_blocktagname(mbuf, args, tok, q, node->argc, (const char **)node->argv, &res)) return(-1); break; case (MD_NS_BODY): if ( ! html_bodytagname(mbuf, args, tok, q, node->argc, (const char **)node->argv, &res)) return(-1); break; case (MD_NS_HEAD): if ( ! html_headtagname(mbuf, args, tok, q, node->argc, (const char **)node->argv, &res)) return(-1); break; default: if ( ! html_inlinetagname(mbuf, 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); } static ssize_t html_beginhttp(struct md_mbuf *mbuf, const struct md_args *args, const char *buf, size_t sz) { size_t res; res = 0; if ( ! ml_puts(mbuf, "", &res)) return(-1); return((ssize_t)res); } 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 ( ! ml_puts(mbuf, "", &res)) return(-1); return((ssize_t)res); } /* ARGSUSED */ static ssize_t html_beginstring(struct md_mbuf *mbuf, const struct md_args *args, const char *buf, size_t sz) { if (0 == strncmp(buf, "http://", 7)) return(html_beginhttp(mbuf, args, buf, sz)); return(0); } /* ARGSUSED */ static ssize_t html_endstring(struct md_mbuf *mbuf, const struct md_args *args, const char *buf, size_t sz) { if (0 == strncmp(buf, "http://", 7)) return(html_endhttp(mbuf, 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)); }