=================================================================== RCS file: /cvs/mandoc/html.c,v retrieving revision 1.27 retrieving revision 1.93 diff -u -p -r1.27 -r1.93 --- mandoc/html.c 2008/12/12 10:11:10 1.27 +++ mandoc/html.c 2010/01/29 14:39:37 1.93 @@ -1,1085 +1,732 @@ -/* $Id: html.c,v 1.27 2008/12/12 10:11:10 kristaps Exp $ */ +/* $Id: html.c,v 1.93 2010/01/29 14:39:37 kristaps Exp $ */ /* - * Copyright (c) 2008 Kristaps Dzonsons + * Copyright (c) 2008, 2009 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. + * 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. + * 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 +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#include + #include -#include -#include -#include +#include +#include #include +#include +#include #include #include +#include "out.h" +#include "chars.h" #include "html.h" -#include "ml.h" +#include "main.h" -/* TODO: allow head/tail-less invocations (just "div" start). */ +#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a)) -struct htmlnode { - int tok; - enum md_ns ns; - int argc[ROFF_MAXLINEARG]; - char *argv[ROFF_MAXLINEARG]; - struct htmlnode *parent; +struct htmldata { + const char *name; + int flags; +#define HTML_CLRLINE (1 << 0) +#define HTML_NOSTACK (1 << 1) +#define HTML_AUTOCLOSE (1 << 2) /* Tag has auto-closure. */ }; -struct htmlq { - struct htmlnode *last; +static const struct htmldata htmltags[TAG_MAX] = { + {"html", HTML_CLRLINE}, /* TAG_HTML */ + {"head", HTML_CLRLINE}, /* TAG_HEAD */ + {"body", HTML_CLRLINE}, /* TAG_BODY */ + {"meta", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_META */ + {"title", HTML_CLRLINE}, /* TAG_TITLE */ + {"div", HTML_CLRLINE}, /* TAG_DIV */ + {"h1", 0}, /* TAG_H1 */ + {"h2", 0}, /* TAG_H2 */ + {"span", 0}, /* TAG_SPAN */ + {"link", HTML_CLRLINE | HTML_NOSTACK}, /* TAG_LINK */ + {"br", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_BR */ + {"a", 0}, /* TAG_A */ + {"table", HTML_CLRLINE}, /* TAG_TABLE */ + {"col", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_COL */ + {"tr", HTML_CLRLINE}, /* TAG_TR */ + {"td", HTML_CLRLINE}, /* TAG_TD */ + {"li", HTML_CLRLINE}, /* TAG_LI */ + {"ul", HTML_CLRLINE}, /* TAG_UL */ + {"ol", HTML_CLRLINE}, /* TAG_OL */ }; +static const char *const htmlfonts[HTMLFONT_MAX] = { + "roman", + "bold", + "italic" +}; -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 *); +static const char *const htmlattrs[ATTR_MAX] = { + "http-equiv", + "content", + "name", + "rel", + "href", + "type", + "media", + "class", + "style", + "width", + "valign", + "target", + "id", + "summary", +}; +static void print_spec(struct html *, const char *, size_t); +static void print_res(struct html *, const char *, size_t); +static void print_ctag(struct html *, enum htmltag); +static void print_doctype(struct html *); +static void print_xmltype(struct html *); +static int print_encode(struct html *, const char *, int); +static void print_metaf(struct html *, enum roffdeco); +static void *ml_alloc(char *, enum htmltype); -/* ARGSUSED */ -static int -html_It_headtagname(struct md_mbuf *mbuf, struct htmlq *q, - const int *argc, const char **argv, size_t *res) + +static void * +ml_alloc(char *outopts, enum htmltype type) { - struct htmlnode *n; - int i; - struct html_pair attr[2]; + struct html *h; + const char *toks[4]; + char *v; - for (n = q->last; n; n = n->parent) - if (n->tok == ROFF_Bl) - break; + toks[0] = "style"; + toks[1] = "man"; + toks[2] = "includes"; + toks[3] = NULL; - assert(n); + h = calloc(1, sizeof(struct html)); + if (NULL == h) { + perror(NULL); + exit(EXIT_FAILURE); + } - /* 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)); + h->type = type; + h->tags.head = NULL; + h->ords.head = NULL; + h->symtab = chars_init(CHARS_HTML); + + while (outopts && *outopts) + switch (getsubopt(&outopts, UNCONST(toks), &v)) { + case (0): + h->style = v; + break; + case (1): + h->base_man = v; + break; + case (2): + h->base_includes = v; + break; default: break; } - } - return(0); + return(h); } - -/* ARGSUSED */ -static int -html_It_bodytagname(struct md_mbuf *mbuf, struct htmlq *q, - const int *argc, const char **argv, size_t *res) +void * +html_alloc(char *outopts) { - struct htmlnode *n; - int i; - struct html_pair attr[1]; - for (n = q->last; n; n = n->parent) - if (n->tok == ROFF_Bl) - break; + return(ml_alloc(outopts, HTML_HTML_4_01_STRICT)); +} - 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; - } - } +void * +xhtml_alloc(char *outopts) +{ - assert(i != ROFF_MAXLINEARG); - return(0); + return(ml_alloc(outopts, HTML_XHTML_1_0_STRICT)); } -/* ARGSUSED */ -static int -html_Bl_bodytagname(struct md_mbuf *mbuf, struct htmlq *q, - const int *argc, const char **argv, size_t *res) +void +html_free(void *p) { - int i; + struct tag *tag; + struct ord *ord; + struct html *h; - 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; - } + h = (struct html *)p; + + while ((ord = h->ords.head) != NULL) { + h->ords.head = ord->next; + free(ord); } - assert(i != ROFF_MAXLINEARG); - return(0); + while ((tag = h->tags.head) != NULL) { + h->tags.head = tag->next; + free(tag); + } + + if (h->symtab) + chars_free(h->symtab); + + free(h); } -/* ARGSUSED */ -static int -html_It_blocktagname(struct md_mbuf *mbuf, struct htmlq *q, - const int *argc, const char **argv, size_t *res) +void +print_gen_head(struct html *h) { - struct htmlnode *n; - int i; + struct htmlpair tag[4]; - for (n = q->last; n; n = n->parent) - if (n->tok == ROFF_Bl) - break; + tag[0].key = ATTR_HTTPEQUIV; + tag[0].val = "Content-Type"; + tag[1].key = ATTR_CONTENT; + tag[1].val = "text/html; charset=utf-8"; + print_otag(h, TAG_META, 2, tag); - assert(n); + tag[0].key = ATTR_NAME; + tag[0].val = "resource-type"; + tag[1].key = ATTR_CONTENT; + tag[1].val = "document"; + print_otag(h, TAG_META, 2, tag); - /* 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; - } + if (h->style) { + tag[0].key = ATTR_REL; + tag[0].val = "stylesheet"; + tag[1].key = ATTR_HREF; + tag[1].val = h->style; + tag[2].key = ATTR_TYPE; + tag[2].val = "text/css"; + tag[3].key = ATTR_MEDIA; + tag[3].val = "all"; + print_otag(h, TAG_LINK, 4, tag); } +} - assert(i != ROFF_MAXLINEARG); - return(0); + +static void +print_spec(struct html *h, const char *p, size_t len) +{ + const char *rhs; + size_t sz; + + rhs = chars_a2ascii(h->symtab, p, len, &sz); + + if (NULL == rhs) + return; + fwrite(rhs, 1, sz, stdout); } -static int -html_loadcss(struct md_mbuf *mbuf, const char *css) +static void +print_res(struct html *h, const char *p, size_t len) { - size_t res, bufsz; - char *buf; - struct stat st; - int fd, c; - ssize_t ssz; + const char *rhs; + size_t sz; - c = 0; - res = 0; - buf = NULL; + rhs = chars_a2res(h->symtab, p, len, &sz); - if (-1 == (fd = open(css, O_RDONLY, 0))) { - warn("%s", css); - return(0); - } - - if (-1 == fstat(fd, &st)) { - warn("%s", css); - goto out; - } + if (NULL == rhs) + return; + fwrite(rhs, 1, sz, stdout); +} - 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; - } +struct tag * +print_ofont(struct html *h, enum htmlfont font) +{ + struct htmlpair tag; - c = 1; + h->metal = h->metac; + h->metac = font; -out: - if (-1 == close(fd)) { - warn("%s", css); - c = 0; - } + /* FIXME: DECO_ROMAN should just close out preexisting. */ - if (buf) - free(buf); + if (h->metaf && h->tags.head == h->metaf) + print_tagq(h, h->metaf); - return(c); + PAIR_CLASS_INIT(&tag, htmlfonts[font]); + h->metaf = print_otag(h, TAG_SPAN, 1, &tag); + return(h->metaf); } -static int -html_tputln(struct md_mbuf *mbuf, enum ml_scope scope, - int i, enum html_tag tag) +static void +print_metaf(struct html *h, enum roffdeco deco) { + enum htmlfont font; - 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)); + switch (deco) { + case (DECO_PREVIOUS): + font = h->metal; + break; + case (DECO_ITALIC): + font = HTMLFONT_ITALIC; + break; + case (DECO_BOLD): + font = HTMLFONT_BOLD; + break; + case (DECO_ROMAN): + font = HTMLFONT_NONE; + break; + default: + abort(); + /* NOTREACHED */ + } + + (void)print_ofont(h, font); } 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) +print_encode(struct html *h, const char *p, int norecurse) { + size_t sz; + int len, nospace; + const char *seq; + enum roffdeco deco; - 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)); -} + nospace = 0; + for (; *p; p++) { + sz = strcspn(p, "\\<>&"); -/* 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; + fwrite(p, 1, sz, stdout); + p += /* LINTED */ + sz; - (void)snprintf(ts, sizeof(ts), "%s(%s)", - name, roff_msecname(msec)); + if ('<' == *p) { + printf("<"); + continue; + } else if ('>' == *p) { + printf(">"); + continue; + } else if ('&' == *p) { + printf("&"); + continue; + } else if ('\0' == *p) + break; - 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; + seq = ++p; + len = a2roffdeco(&deco, &seq, &sz); + + switch (deco) { + case (DECO_RESERVED): + print_res(h, seq, sz); break; - case(ROFF_MSEC_2): + case (DECO_SPECIAL): + print_spec(h, seq, sz); + break; + case (DECO_PREVIOUS): /* FALLTHROUGH */ - case(ROFF_MSEC_3): + case (DECO_BOLD): /* FALLTHROUGH */ - case(ROFF_MSEC_3p): + case (DECO_ITALIC): /* FALLTHROUGH */ - case(ROFF_MSEC_4): - /* FALLTHROUGH */ - case(ROFF_MSEC_5): - bvol = ROFF_VOL_PRM; + case (DECO_ROMAN): + if (norecurse) + break; + print_metaf(h, deco); 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 */ + break; } - (void)snprintf(title, sizeof(title), "%s (%s)", - roff_volname(bvol), roff_volname(vol)); - } else - (void)snprintf(title, sizeof(title), "%s", roff_volname(vol)); + p += len - 1; + if (DECO_NOSPACE == deco && '\0' == *(p + 1)) + nospace = 1; + } - i = 0; + return(nospace); +} - 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"; +struct tag * +print_otag(struct html *h, enum htmltag tag, + int sz, const struct htmlpair *p) +{ + int i; + struct tag *t; - if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_META, 2, attr)) - return(0); + if ( ! (HTML_NOSTACK & htmltags[tag].flags)) { + t = malloc(sizeof(struct tag)); + if (NULL == t) { + perror(NULL); + exit(EXIT_FAILURE); + } + t->tag = tag; + t->next = h->tags.head; + h->tags.head = t; + } else + t = NULL; - attr[0].attr = HTML_ATTR_NAME; - attr[0].val = "resource-type"; - attr[1].attr = HTML_ATTR_CONTENT; - attr[1].val = "document"; + if ( ! (HTML_NOSPACE & h->flags)) + if ( ! (HTML_CLRLINE & htmltags[tag].flags)) + putchar(' '); - 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); + printf("<%s", htmltags[tag].name); + for (i = 0; i < sz; i++) { + printf(" %s=\"", htmlattrs[p[i].key]); + assert(p->val); + (void)print_encode(h, p[i].val, 1); + putchar('\"'); } - 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); + if (HTML_AUTOCLOSE & htmltags[tag].flags) + switch (h->type) { + case (HTML_XHTML_1_0_STRICT): + putchar('/'); + break; + default: + break; + } - attr[0].attr = HTML_ATTR_CLASS; - attr[0].val = "mdoc"; + putchar('>'); - if ( ! html_aputln(p->mbuf, ML_OPEN, i, HTML_TAG_DIV, 1, attr)) - return(0); + h->flags |= HTML_NOSPACE; + return(t); +} - 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); +static void +print_ctag(struct html *h, enum htmltag tag) +{ + + printf("", htmltags[tag].name); + if (HTML_CLRLINE & htmltags[tag].flags) { + h->flags |= HTML_NOSPACE; + putchar('\n'); + } +} - 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); +void +print_gen_decls(struct html *h) +{ - 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)); + print_xmltype(h); + print_doctype(h); } -/* 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) +static void +print_xmltype(struct html *h) { - struct html_pair attr[4]; - int i; - char ts[64]; + const char *decl; - if (0 == strftime(ts, sizeof(ts), "%B %d, %Y", tm)) { - warn("strftime"); - return(0); + switch (h->type) { + case (HTML_XHTML_1_0_STRICT): + decl = ""; + break; + default: + decl = NULL; + break; } - i = 0; + if (NULL == decl) + return; - 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)); + printf("%s\n", decl); } -/* 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) +static void +print_doctype(struct html *h) { + const char *doctype; + const char *dtd; - 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)); + switch (h->type) { + case (HTML_HTML_4_01_STRICT): + doctype = "-//W3C//DTD HTML 4.01//EN"; + dtd = "http://www.w3.org/TR/html4/strict.dtd"; + break; default: + doctype = "-//W3C//DTD XHTML 1.0 Strict//EN"; + dtd = "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"; break; } - return(html_stput(mbuf, HTML_TAG_DIV, res)); + printf("\n", doctype, dtd); } -/* 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) +void +print_text(struct html *h, const char *p) { - 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; - } + if (*p && 0 == *(p + 1)) + switch (*p) { + case('.'): + /* FALLTHROUGH */ + case(','): + /* FALLTHROUGH */ + case(';'): + /* FALLTHROUGH */ + case(':'): + /* FALLTHROUGH */ + case('?'): + /* FALLTHROUGH */ + case('!'): + /* FALLTHROUGH */ + case(')'): + /* FALLTHROUGH */ + case(']'): + /* FALLTHROUGH */ + case('}'): + if ( ! (HTML_IGNDELIM & h->flags)) + h->flags |= HTML_NOSPACE; + break; + default: + break; + } - return(html_stput(mbuf, HTML_TAG_DIV, res)); + if ( ! (h->flags & HTML_NOSPACE)) + putchar(' '); + + assert(p); + if ( ! print_encode(h, p, 0)) + h->flags &= ~HTML_NOSPACE; + + if (*p && 0 == *(p + 1)) + switch (*p) { + case('('): + /* FALLTHROUGH */ + case('['): + /* FALLTHROUGH */ + case('{'): + h->flags |= HTML_NOSPACE; + break; + default: + break; + } } -/* 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) +void +print_tagq(struct html *h, const struct tag *until) { + struct tag *tag; - 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; + while ((tag = h->tags.head) != NULL) { + if (tag == h->metaf) + h->metaf = NULL; + print_ctag(h, tag->tag); + h->tags.head = tag->next; + free(tag); + if (until && tag == until) + return; } - - 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) +void +print_stagq(struct html *h, const struct tag *suntil) { + struct tag *tag; - /* 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)); + while ((tag = h->tags.head) != NULL) { + if (suntil && tag == suntil) + return; + if (tag == h->metaf) + h->metaf = NULL; + print_ctag(h, tag->tag); + h->tags.head = tag->next; + free(tag); + } } -/* 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) +void +bufinit(struct html *h) { - return(html_printargs(mbuf, tok, "head", argc, argv, res)); + h->buf[0] = '\0'; + h->buflen = 0; } -/* 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) +void +bufcat_style(struct html *h, const char *key, const char *val) { - return(html_printargs(mbuf, tok, "body", argc, argv, res)); + bufcat(h, key); + bufncat(h, ":", 1); + bufcat(h, val); + bufncat(h, ";", 1); } -/* 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) +void +bufcat(struct html *h, const char *p) { - return(html_printargs(mbuf, tok, "block", argc, argv, res)); + bufncat(h, p, strlen(p)); } -/* 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) +void +buffmt(struct html *h, const char *fmt, ...) { + va_list ap; - if ( ! html_printargs(mbuf, tok, "inline", argc, argv, res)) - return(0); + va_start(ap, fmt); + (void)vsnprintf(h->buf + (int)h->buflen, + BUFSIZ - h->buflen - 1, fmt, ap); + va_end(ap); + h->buflen = strlen(h->buf); +} - switch (tok) { - case (ROFF_Sh): - /* FIXME: use API in ml.h. */ +void +bufncat(struct html *h, const char *p, size_t sz) +{ - 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; + if (h->buflen + sz > BUFSIZ - 1) + sz = BUFSIZ - 1 - h->buflen; - case (ROFF_Sx): + (void)strncat(h->buf, p, sz); + h->buflen += sz; +} - /* 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); +void +buffmt_includes(struct html *h, const char *name) +{ + const char *p, *pp; - break; - default: - break; - } + pp = h->base_includes; - return(1); + while (NULL != (p = strchr(pp, '%'))) { + bufncat(h, pp, (size_t)(p - pp)); + switch (*(p + 1)) { + case('I'): + bufcat(h, name); + break; + default: + bufncat(h, p, 2); + break; + } + pp = p + 2; + } + if (pp) + bufcat(h, pp); } -/* ARGSUSED */ -static int -html_inlinetagname(struct md_mbuf *mbuf, - const struct md_args *args, int tok, size_t *res) +void +buffmt_man(struct html *h, + const char *name, const char *sec) { + const char *p, *pp; - 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; + pp = h->base_man; + + /* LINTED */ + while (NULL != (p = strchr(pp, '%'))) { + bufncat(h, pp, (size_t)(p - pp)); + switch (*(p + 1)) { + case('S'): + bufcat(h, sec ? sec : "1"); + break; + case('N'): + buffmt(h, name); + break; + default: + bufncat(h, p, 2); + break; + } + pp = p + 2; } - - return(html_stput(mbuf, HTML_TAG_SPAN, res)); + if (pp) + bufcat(h, pp); } -static ssize_t -html_begintag(struct ml_args *p, enum md_ns ns, - int tok, const int *argc, const char **argv) +void +bufcat_su(struct html *h, const char *p, const struct roffsu *su) { - size_t res; - struct htmlq *q; - struct htmlnode *node; - int i; + double v; + const char *u; - assert(ns != MD_NS_DEFAULT); - res = 0; + v = su->scale; - 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); + switch (su->unit) { + case (SCALE_CM): + u = "cm"; 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); + case (SCALE_IN): + u = "in"; 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); + case (SCALE_PC): + u = "pc"; 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); + case (SCALE_PT): + u = "pt"; 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); + case (SCALE_EM): + u = "em"; break; - case (MD_NS_BODY): - if ( ! html_bodytagname(p->mbuf, p->args, tok, - q, node->argc, - (const char **)node->argv, &res)) - return(-1); + case (SCALE_MM): + if (0 == (v /= 100)) + v = 1; + u = "em"; break; - case (MD_NS_HEAD): - if ( ! html_headtagname(p->mbuf, p->args, tok, - q, node->argc, - (const char **)node->argv, &res)) - return(-1); + case (SCALE_EN): + u = "ex"; break; + case (SCALE_BU): + u = "ex"; + break; + case (SCALE_VS): + u = "em"; + break; default: - if ( ! html_inlinetagname(p->mbuf, p->args, tok, &res)) - return(-1); + u = "ex"; break; } - q->last = node->parent; - - free(node); - - return((ssize_t)res); + if (su->pt) + buffmt(h, "%s: %f%s;", p, v, u); + else + /* LINTED */ + buffmt(h, "%s: %d%s;", p, (int)v, u); } -static int -html_alloc(void **p) +void +html_idcat(char *dst, const char *src, int sz) { + int ssz; - if (NULL == (*p = calloc(1, sizeof(struct htmlq)))) { - warn("calloc"); - return(0); - } - return(1); -} + assert(sz); + /* Cf. . */ -static void -html_free(void *p) -{ - struct htmlq *q; - struct htmlnode *n; + for ( ; *dst != '\0' && sz; dst++, sz--) + /* Jump to end. */ ; - assert(p); - q = (struct htmlq *)p; + assert(sz > 2); - /* LINTED */ - while ((n = q->last)) { - q->last = n->parent; - free(n); - } + /* We can't start with a number (bah). */ - free(q); -} + *dst++ = 'x'; + *dst = '\0'; + sz--; - -/* 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)); + for ( ; *src != '\0' && sz > 1; src++) { + ssz = snprintf(dst, (size_t)sz, "%.2x", *src); + sz -= ssz; + dst += ssz; + } }