=================================================================== RCS file: /cvs/mandoc/html.c,v retrieving revision 1.29 retrieving revision 1.132 diff -u -p -r1.29 -r1.132 --- mandoc/html.c 2009/09/16 09:41:24 1.29 +++ mandoc/html.c 2011/04/09 15:29:40 1.132 @@ -1,6 +1,7 @@ -/* $Id: html.c,v 1.29 2009/09/16 09:41:24 kristaps Exp $ */ +/* $Id: html.c,v 1.132 2011/04/09 15:29:40 kristaps Exp $ */ /* - * Copyright (c) 2008, 2009 Kristaps Dzonsons + * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons + * Copyright (c) 2011 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -14,625 +15,758 @@ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + #include -#include +#include +#include #include +#include #include +#include +#include -#include "mdoc.h" -#include "man.h" +#include "mandoc.h" +#include "out.h" +#include "html.h" +#include "main.h" -#define DOCTYPE "-//W3C//DTD HTML 4.01//EN" -#define DTD "http://www.w3.org/TR/html4/strict.dtd" - -enum htmltag { - TAG_HTML, - TAG_HEAD, - TAG_BODY, - TAG_META, - TAG_TITLE, - TAG_DIV, - TAG_H1, - TAG_H2, - TAG_P, - TAG_SPAN, - TAG_LINK, - TAG_MAX -}; - -enum htmlattr { - ATTR_HTTPEQUIV, - ATTR_CONTENT, - ATTR_NAME, - ATTR_REL, - ATTR_HREF, - ATTR_TYPE, - ATTR_MEDIA, - ATTR_CLASS, - ATTR_MAX -}; - struct htmldata { - char *name; + const char *name; int flags; -#define HTML_BLOCK (1 << 0) +#define HTML_CLRLINE (1 << 0) +#define HTML_NOSTACK (1 << 1) +#define HTML_AUTOCLOSE (1 << 2) /* Tag has auto-closure. */ }; static const struct htmldata htmltags[TAG_MAX] = { - {"html", HTML_BLOCK}, /* TAG_HTML */ - {"head", HTML_BLOCK}, /* TAG_HEAD */ - {"body", HTML_BLOCK}, /* TAG_BODY */ - {"meta", HTML_BLOCK}, /* TAG_META */ - {"title", HTML_BLOCK}, /* TAG_TITLE */ - {"div", HTML_BLOCK}, /* TAG_DIV */ + {"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 */ - {"p", HTML_BLOCK}, /* TAG_P */ {"span", 0}, /* TAG_SPAN */ - {"link", HTML_BLOCK}, /* TAG_LINK */ + {"link", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_LINK */ + {"br", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_BR */ + {"a", 0}, /* TAG_A */ + {"table", HTML_CLRLINE}, /* TAG_TABLE */ + {"tbody", HTML_CLRLINE}, /* TAG_TBODY */ + {"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 */ + {"dl", HTML_CLRLINE}, /* TAG_DL */ + {"dt", HTML_CLRLINE}, /* TAG_DT */ + {"dd", HTML_CLRLINE}, /* TAG_DD */ + {"blockquote", HTML_CLRLINE}, /* TAG_BLOCKQUOTE */ + {"p", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_P */ + {"pre", HTML_CLRLINE }, /* TAG_PRE */ + {"b", 0 }, /* TAG_B */ + {"i", 0 }, /* TAG_I */ + {"code", 0 }, /* TAG_CODE */ + {"small", 0 }, /* TAG_SMALL */ }; -static const char *const htmlattrs[ATTR_MAX] = { - "http-equiv", - "content", - "name", - "rel", - "href", - "type", - "media", - "class" +static const char *const htmlattrs[ATTR_MAX] = { + "http-equiv", /* ATTR_HTTPEQUIV */ + "content", /* ATTR_CONTENT */ + "name", /* ATTR_NAME */ + "rel", /* ATTR_REL */ + "href", /* ATTR_HREF */ + "type", /* ATTR_TYPE */ + "media", /* ATTR_MEDIA */ + "class", /* ATTR_CLASS */ + "style", /* ATTR_STYLE */ + "width", /* ATTR_WIDTH */ + "id", /* ATTR_ID */ + "summary", /* ATTR_SUMMARY */ + "align", /* ATTR_ALIGN */ + "colspan", /* ATTR_COLSPAN */ }; -struct htmlpair { - enum htmlattr key; - char *val; -}; - -struct html { - int flags; -#define HTML_NOSPACE (1 << 0) -}; - -#define MDOC_ARGS const struct mdoc_meta *m, \ - const struct mdoc_node *n, \ - struct html *h -#define MAN_ARGS const struct man_meta *m, \ - const struct man_node *n, \ - struct html *h -struct htmlmdoc { - int (*pre)(MDOC_ARGS); - void (*post)(MDOC_ARGS); -}; - -static void print_gen_doctype(struct html *); -static void print_gen_head(struct html *); -static void print_mdoc(MDOC_ARGS); -static void print_mdoc_head(MDOC_ARGS); -static void print_mdoc_node(MDOC_ARGS); -static void print_man(MAN_ARGS); -static void print_man_head(MAN_ARGS); -static void print_man_body(MAN_ARGS); -static void print_otag(struct html *, enum htmltag, - int, const struct htmlpair *); +static void print_num(struct html *, const char *, size_t); +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_encode(const char *); -static void print_text(struct html *, const char *); -static int mdoc_root_pre(MDOC_ARGS); -static void mdoc_root_post(MDOC_ARGS); +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 mandoc_esc); +static void print_attr(struct html *, + const char *, const char *); +static void *ml_alloc(char *, enum htmltype); -static int mdoc_nd_pre(MDOC_ARGS); -static int mdoc_nm_pre(MDOC_ARGS); -static void mdoc_nm_post(MDOC_ARGS); -static int mdoc_pp_pre(MDOC_ARGS); -static int mdoc_sh_pre(MDOC_ARGS); -static void mdoc_sh_post(MDOC_ARGS); -static int mdoc_ss_pre(MDOC_ARGS); -static void mdoc_ss_post(MDOC_ARGS); -static const struct htmlmdoc mdocs[MDOC_MAX] = { - {NULL, NULL}, /* Ap */ - {NULL, NULL}, /* Dd */ - {NULL, NULL}, /* Dt */ - {NULL, NULL}, /* Os */ - {mdoc_sh_pre, mdoc_sh_post }, /* Sh */ - {mdoc_ss_pre, mdoc_ss_post }, /* Ss */ - {mdoc_pp_pre, NULL}, /* Pp */ - {NULL, NULL}, /* D1 */ - {NULL, NULL}, /* Dl */ - {NULL, NULL}, /* Bd */ - {NULL, NULL}, /* Ed */ - {NULL, NULL}, /* Bl */ - {NULL, NULL}, /* El */ - {NULL, NULL}, /* It */ - {NULL, NULL}, /* Ad */ - {NULL, NULL}, /* An */ - {NULL, NULL}, /* Ar */ - {NULL, NULL}, /* Cd */ - {NULL, NULL}, /* Cm */ - {NULL, NULL}, /* Dv */ - {NULL, NULL}, /* Er */ - {NULL, NULL}, /* Ev */ - {NULL, NULL}, /* Ex */ - {NULL, NULL}, /* Fa */ - {NULL, NULL}, /* Fd */ - {NULL, NULL}, /* Fl */ - {NULL, NULL}, /* Fn */ - {NULL, NULL}, /* Ft */ - {NULL, NULL}, /* Ic */ - {NULL, NULL}, /* In */ - {NULL, NULL}, /* Li */ - {mdoc_nd_pre, NULL}, /* Nd */ - {mdoc_nm_pre, mdoc_nm_post}, /* Nm */ - {NULL, NULL}, /* Op */ - {NULL, NULL}, /* Ot */ - {NULL, NULL}, /* Pa */ - {NULL, NULL}, /* Rv */ - {NULL, NULL}, /* St */ - {NULL, NULL}, /* Va */ - {NULL, NULL}, /* Vt */ - {NULL, NULL}, /* Xr */ - {NULL, NULL}, /* %A */ - {NULL, NULL}, /* %B */ - {NULL, NULL}, /* %D */ - {NULL, NULL}, /* %I */ - {NULL, NULL}, /* %J */ - {NULL, NULL}, /* %N */ - {NULL, NULL}, /* %O */ - {NULL, NULL}, /* %P */ - {NULL, NULL}, /* %R */ - {NULL, NULL}, /* %T */ - {NULL, NULL}, /* %V */ - {NULL, NULL}, /* Ac */ - {NULL, NULL}, /* Ao */ - {NULL, NULL}, /* Aq */ - {NULL, NULL}, /* At */ - {NULL, NULL}, /* Bc */ - {NULL, NULL}, /* Bf */ - {NULL, NULL}, /* Bo */ - {NULL, NULL}, /* Bq */ - {NULL, NULL}, /* Bsx */ - {NULL, NULL}, /* Bx */ - {NULL, NULL}, /* Db */ - {NULL, NULL}, /* Dc */ - {NULL, NULL}, /* Do */ - {NULL, NULL}, /* Dq */ - {NULL, NULL}, /* Ec */ - {NULL, NULL}, /* Ef */ - {NULL, NULL}, /* Em */ - {NULL, NULL}, /* Eo */ - {NULL, NULL}, /* Fx */ - {NULL, NULL}, /* Ms */ - {NULL, NULL}, /* No */ - {NULL, NULL}, /* Ns */ - {NULL, NULL}, /* Nx */ - {NULL, NULL}, /* Ox */ - {NULL, NULL}, /* Pc */ - {NULL, NULL}, /* Pf */ - {NULL, NULL}, /* Po */ - {NULL, NULL}, /* Pq */ - {NULL, NULL}, /* Qc */ - {NULL, NULL}, /* Ql */ - {NULL, NULL}, /* Qo */ - {NULL, NULL}, /* Qq */ - {NULL, NULL}, /* Re */ - {NULL, NULL}, /* Rs */ - {NULL, NULL}, /* Sc */ - {NULL, NULL}, /* So */ - {NULL, NULL}, /* Sq */ - {NULL, NULL}, /* Sm */ - {NULL, NULL}, /* Sx */ - {NULL, NULL}, /* Sy */ - {NULL, NULL}, /* Tn */ - {NULL, NULL}, /* Ux */ - {NULL, NULL}, /* Xc */ - {NULL, NULL}, /* Xo */ - {NULL, NULL}, /* Fo */ - {NULL, NULL}, /* Fc */ - {NULL, NULL}, /* Oo */ - {NULL, NULL}, /* Oc */ - {NULL, NULL}, /* Bk */ - {NULL, NULL}, /* Ek */ - {NULL, NULL}, /* Bt */ - {NULL, NULL}, /* Hf */ - {NULL, NULL}, /* Fr */ - {NULL, NULL}, /* Ud */ - {NULL, NULL}, /* Lb */ - {NULL, NULL}, /* Lp */ - {NULL, NULL}, /* Lk */ - {NULL, NULL}, /* Mt */ - {NULL, NULL}, /* Brq */ - {NULL, NULL}, /* Bro */ - {NULL, NULL}, /* Brc */ - {NULL, NULL}, /* %C */ - {NULL, NULL}, /* Es */ - {NULL, NULL}, /* En */ - {NULL, NULL}, /* Dx */ - {NULL, NULL}, /* %Q */ - {NULL, NULL}, /* br */ - {NULL, NULL}, /* sp */ -}; +static void * +ml_alloc(char *outopts, enum htmltype type) +{ + struct html *h; + const char *toks[4]; + char *v; + toks[0] = "style"; + toks[1] = "man"; + toks[2] = "includes"; + toks[3] = NULL; -int -html_mdoc(void *arg, const struct mdoc *m) -{ - struct html *h; + h = mandoc_calloc(1, sizeof(struct html)); - h = (struct html *)arg; + h->type = type; + h->tags.head = NULL; + h->symtab = chars_init(CHARS_HTML); - print_gen_doctype(h); - print_otag(h, TAG_HTML, 0, NULL); - print_mdoc(mdoc_meta(m), mdoc_node(m), h); - print_ctag(h, TAG_HTML); - printf("\n"); - return(1); + 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(h); } - -int -html_man(void *arg, const struct man *m) +void * +html_alloc(char *outopts) { - struct html *h; - h = (struct html *)arg; - - print_gen_doctype(h); - print_otag(h, TAG_HTML, 0, NULL); - print_man(man_meta(m), man_node(m), h); - print_ctag(h, TAG_HTML); - printf("\n"); - return(1); + return(ml_alloc(outopts, HTML_HTML_4_01_STRICT)); } void * -html_alloc(void) +xhtml_alloc(char *outopts) { - return(calloc(1, sizeof(struct html))); + return(ml_alloc(outopts, HTML_XHTML_1_0_STRICT)); } void html_free(void *p) { + struct tag *tag; + struct html *h; - free(p); -} + h = (struct html *)p; + while ((tag = h->tags.head) != NULL) { + h->tags.head = tag->next; + free(tag); + } + + if (h->symtab) + chars_free(h->symtab); -static void -print_mdoc(MDOC_ARGS) -{ - - print_otag(h, TAG_HEAD, 0, NULL); - print_mdoc_head(m, n, h); - print_ctag(h, TAG_HEAD); - print_otag(h, TAG_BODY, 0, NULL); - print_mdoc_node(m, n, h); - print_ctag(h, TAG_BODY); + free(h); } -static void +void print_gen_head(struct html *h) { - struct htmlpair meta0[2]; - struct htmlpair meta1[2]; - struct htmlpair link[4]; + struct htmlpair tag[4]; - meta0[0].key = ATTR_HTTPEQUIV; - meta0[0].val = "Content-Type"; - meta0[1].key = ATTR_CONTENT; - meta0[1].val = "text/html; charest-utf-8"; + 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); - meta1[0].key = ATTR_NAME; - meta1[0].val = "resource-type"; - meta1[1].key = ATTR_CONTENT; - meta1[1].val = "document"; + 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); - link[0].key = ATTR_REL; - link[0].val = "stylesheet"; - link[1].key = ATTR_HREF; - link[1].val = "style.css"; - link[2].key = ATTR_TYPE; - link[2].val = "text/css"; - link[3].key = ATTR_MEDIA; - link[3].val = "all"; - - print_otag(h, TAG_META, 2, meta0); - print_otag(h, TAG_META, 2, meta1); - print_otag(h, TAG_LINK, 4, link); + 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); + } } +/* ARGSUSED */ +static void +print_num(struct html *h, const char *p, size_t len) +{ + const char *rhs; + rhs = chars_num2char(p, len); + if (rhs) + putchar((int)*rhs); +} + static void -print_mdoc_head(MDOC_ARGS) +print_spec(struct html *h, const char *p, size_t len) { + int cp; + const char *rhs; + size_t sz; - print_gen_head(h); - print_otag(h, TAG_TITLE, 0, NULL); - print_encode(m->title); - print_ctag(h, TAG_TITLE); + if ((cp = chars_spec2cp(h->symtab, p, len)) > 0) { + printf("&#%d;", cp); + return; + } else if (-1 == cp && 1 == len) { + fwrite(p, 1, len, stdout); + return; + } else if (-1 == cp) + return; + + if (NULL != (rhs = chars_spec2str(h->symtab, p, len, &sz))) + fwrite(rhs, 1, sz, stdout); } -static int -mdoc_root_pre(MDOC_ARGS) +static void +print_res(struct html *h, const char *p, size_t len) { - struct htmlpair div; + int cp; + const char *rhs; + size_t sz; - div.key = ATTR_CLASS; - div.val = "body"; + if ((cp = chars_res2cp(h->symtab, p, len)) > 0) { + printf("&#%d;", cp); + return; + } else if (-1 == cp) + return; - print_otag(h, TAG_DIV, 1, &div); - return(1); + if (NULL != (rhs = chars_res2str(h->symtab, p, len, &sz))) + fwrite(rhs, 1, sz, stdout); } static void -mdoc_root_post(MDOC_ARGS) +print_metaf(struct html *h, enum mandoc_esc deco) { + enum htmlfont font; - print_ctag(h, TAG_DIV); + switch (deco) { + case (ESCAPE_FONTPREV): + font = h->metal; + break; + case (ESCAPE_FONTITALIC): + font = HTMLFONT_ITALIC; + break; + case (ESCAPE_FONTBOLD): + font = HTMLFONT_BOLD; + break; + case (ESCAPE_FONTROMAN): + font = HTMLFONT_NONE; + break; + default: + abort(); + /* NOTREACHED */ + } + + if (h->metaf) { + print_tagq(h, h->metaf); + h->metaf = NULL; + } + + h->metal = h->metac; + h->metac = font; + + if (HTMLFONT_NONE != font) + h->metaf = HTMLFONT_BOLD == font ? + print_otag(h, TAG_B, 0, NULL) : + print_otag(h, TAG_I, 0, NULL); } static int -mdoc_ss_pre(MDOC_ARGS) +print_encode(struct html *h, const char *p, int norecurse) { + size_t sz; + int len, nospace; + const char *seq; + enum mandoc_esc esc; + static const char rejs[6] = { '\\', '<', '>', '&', ASCII_HYPH, '\0' }; - if (MDOC_BODY == n->type) - print_otag(h, TAG_P, 0, NULL); - if (MDOC_HEAD == n->type) - print_otag(h, TAG_H2, 0, NULL); - return(1); + nospace = 0; + + while ('\0' != *p) { + sz = strcspn(p, rejs); + + fwrite(p, 1, sz, stdout); + p += (int)sz; + + if ('\0' == *p) + break; + + switch (*p++) { + case ('<'): + printf("<"); + continue; + case ('>'): + printf(">"); + continue; + case ('&'): + printf("&"); + continue; + case (ASCII_HYPH): + putchar('-'); + continue; + default: + break; + } + + esc = mandoc_escape(&p, &seq, &len); + if (ESCAPE_ERROR == esc) + break; + + switch (esc) { + case (ESCAPE_NUMBERED): + print_num(h, seq, len); + break; + case (ESCAPE_PREDEF): + print_res(h, seq, len); + break; + case (ESCAPE_SPECIAL): + print_spec(h, seq, len); + break; + case (ESCAPE_FONTPREV): + /* FALLTHROUGH */ + case (ESCAPE_FONTBOLD): + /* FALLTHROUGH */ + case (ESCAPE_FONTITALIC): + /* FALLTHROUGH */ + case (ESCAPE_FONTROMAN): + if (norecurse) + break; + print_metaf(h, esc); + break; + case (ESCAPE_NOSPACE): + if ('\0' == *p) + nospace = 1; + break; + default: + break; + } + } + + return(nospace); } static void -mdoc_ss_post(MDOC_ARGS) +print_attr(struct html *h, const char *key, const char *val) { - - if (MDOC_BODY == n->type) - print_ctag(h, TAG_P); - if (MDOC_HEAD == n->type) - print_ctag(h, TAG_H2); + printf(" %s=\"", key); + (void)print_encode(h, val, 1); + putchar('\"'); } -static int -mdoc_pp_pre(MDOC_ARGS) +struct tag * +print_otag(struct html *h, enum htmltag tag, + int sz, const struct htmlpair *p) { + int i; + struct tag *t; - print_otag(h, TAG_P, 0, NULL); - return(0); -} + /* Push this tags onto the stack of open scopes. */ + if ( ! (HTML_NOSTACK & htmltags[tag].flags)) { + t = mandoc_malloc(sizeof(struct tag)); + t->tag = tag; + t->next = h->tags.head; + h->tags.head = t; + } else + t = NULL; -static int -mdoc_nd_pre(MDOC_ARGS) -{ + if ( ! (HTML_NOSPACE & h->flags)) + if ( ! (HTML_CLRLINE & htmltags[tag].flags)) { + /* Manage keeps! */ + if ( ! (HTML_KEEP & h->flags)) { + if (HTML_PREKEEP & h->flags) + h->flags |= HTML_KEEP; + putchar(' '); + } else + printf(" "); + } - if (MDOC_BODY == n->type) - print_text(h, "--"); - return(1); -} + if ( ! (h->flags & HTML_NONOSPACE)) + h->flags &= ~HTML_NOSPACE; + else + h->flags |= HTML_NOSPACE; + /* Print out the tag name and attributes. */ -static int -mdoc_nm_pre(MDOC_ARGS) -{ - struct htmlpair class; + printf("<%s", htmltags[tag].name); + for (i = 0; i < sz; i++) + print_attr(h, htmlattrs[p[i].key], p[i].val); - class.key = ATTR_CLASS; - class.val = "name"; + /* Add non-overridable attributes. */ - print_otag(h, TAG_SPAN, 1, &class); - if (NULL == n->child) - print_text(h, m->name); + if (TAG_HTML == tag && HTML_XHTML_1_0_STRICT == h->type) { + print_attr(h, "xmlns", "http://www.w3.org/1999/xhtml"); + print_attr(h, "xml:lang", "en"); + print_attr(h, "lang", "en"); + } - return(1); + /* Accomodate for XML "well-formed" singleton escaping. */ + + if (HTML_AUTOCLOSE & htmltags[tag].flags) + switch (h->type) { + case (HTML_XHTML_1_0_STRICT): + putchar('/'); + break; + default: + break; + } + + putchar('>'); + + h->flags |= HTML_NOSPACE; + + if ((HTML_AUTOCLOSE | HTML_CLRLINE) & htmltags[tag].flags) + putchar('\n'); + + return(t); } static void -mdoc_nm_post(MDOC_ARGS) +print_ctag(struct html *h, enum htmltag tag) { - - print_ctag(h, TAG_SPAN); + + printf("", htmltags[tag].name); + if (HTML_CLRLINE & htmltags[tag].flags) { + h->flags |= HTML_NOSPACE; + putchar('\n'); + } } -static int -mdoc_sh_pre(MDOC_ARGS) +void +print_gen_decls(struct html *h) { - if (MDOC_BODY == n->type) - print_otag(h, TAG_P, 0, NULL); - if (MDOC_HEAD == n->type) - print_otag(h, TAG_H1, 0, NULL); - return(1); + print_xmltype(h); + print_doctype(h); } static void -mdoc_sh_post(MDOC_ARGS) +print_xmltype(struct html *h) { - if (MDOC_BODY == n->type) - print_ctag(h, TAG_P); - if (MDOC_HEAD == n->type) - print_ctag(h, TAG_H1); + if (HTML_XHTML_1_0_STRICT == h->type) + puts(""); } static void -print_mdoc_node(MDOC_ARGS) +print_doctype(struct html *h) { - int child; + const char *doctype; + const char *dtd; + const char *name; - child = 1; - - switch (n->type) { - case (MDOC_ROOT): - child = mdoc_root_pre(m, n, h); + switch (h->type) { + case (HTML_HTML_4_01_STRICT): + name = "HTML"; + doctype = "-//W3C//DTD HTML 4.01//EN"; + dtd = "http://www.w3.org/TR/html4/strict.dtd"; break; - case (MDOC_TEXT): - print_text(h, n->string); - break; default: - if (mdocs[n->tok].pre) - child = (*mdocs[n->tok].pre)(m, n, h); + name = "html"; + doctype = "-//W3C//DTD XHTML 1.0 Strict//EN"; + dtd = "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"; break; } - if (child && n->child) - print_mdoc_node(m, n->child, h); + printf("\n", + name, doctype, dtd); +} - switch (n->type) { - case (MDOC_ROOT): - mdoc_root_post(m, n, h); - break; - case (MDOC_TEXT): - break; - default: - if (mdocs[n->tok].post) - (*mdocs[n->tok].post)(m, n, h); - break; +void +print_text(struct html *h, const char *word) +{ + + if ( ! (HTML_NOSPACE & h->flags)) { + /* Manage keeps! */ + if ( ! (HTML_KEEP & h->flags)) { + if (HTML_PREKEEP & h->flags) + h->flags |= HTML_KEEP; + putchar(' '); + } else + printf(" "); } - if (n->next) - print_mdoc_node(m, n->next, h); -} + assert(NULL == h->metaf); + if (HTMLFONT_NONE != h->metac) + h->metaf = HTMLFONT_BOLD == h->metac ? + print_otag(h, TAG_B, 0, NULL) : + print_otag(h, TAG_I, 0, NULL); + assert(word); + if ( ! print_encode(h, word, 0)) + if ( ! (h->flags & HTML_NONOSPACE)) + h->flags &= ~HTML_NOSPACE; -static void -print_man(MAN_ARGS) -{ + if (h->metaf) { + print_tagq(h, h->metaf); + h->metaf = NULL; + } - print_otag(h, TAG_HEAD, 0, NULL); - print_man_head(m, n, h); - print_ctag(h, TAG_HEAD); - print_otag(h, TAG_BODY, 0, NULL); - print_man_body(m, n, h); - print_ctag(h, TAG_BODY); + h->flags &= ~HTML_IGNDELIM; } -static void -print_man_head(MAN_ARGS) +void +print_tagq(struct html *h, const struct tag *until) { + struct tag *tag; - print_gen_head(h); - print_otag(h, TAG_TITLE, 0, NULL); - print_encode(m->title); - print_ctag(h, TAG_TITLE); + while ((tag = h->tags.head) != NULL) { + /* + * Remember to close out and nullify the current + * meta-font and table, if applicable. + */ + if (tag == h->metaf) + h->metaf = NULL; + if (tag == h->tblt) + h->tblt = NULL; + print_ctag(h, tag->tag); + h->tags.head = tag->next; + free(tag); + if (until && tag == until) + return; + } } -static void -print_man_body(MAN_ARGS) +void +print_stagq(struct html *h, const struct tag *suntil) { + struct tag *tag; + + while ((tag = h->tags.head) != NULL) { + if (suntil && tag == suntil) + return; + /* + * Remember to close out and nullify the current + * meta-font and table, if applicable. + */ + if (tag == h->metaf) + h->metaf = NULL; + if (tag == h->tblt) + h->tblt = NULL; + print_ctag(h, tag->tag); + h->tags.head = tag->next; + free(tag); + } } -static void -print_encode(const char *p) +void +bufinit(struct html *h) { - printf("%s", p); /* XXX */ + h->buf[0] = '\0'; + h->buflen = 0; } -static void -print_otag(struct html *h, enum htmltag tag, - int sz, const struct htmlpair *p) +void +bufcat_style(struct html *h, const char *key, const char *val) { - int i; - if ( ! (HTML_NOSPACE & h->flags)) - if ( ! (HTML_BLOCK & htmltags[tag].flags)) - printf(" "); + bufcat(h, key); + bufncat(h, ":", 1); + bufcat(h, val); + bufncat(h, ";", 1); +} - printf("<%s", htmltags[tag].name); - for (i = 0; i < sz; i++) { - printf(" %s=\"", htmlattrs[p[i].key]); - assert(p->val); - print_encode(p[i].val); - printf("\""); - } - printf(">"); - h->flags |= HTML_NOSPACE; +void +bufcat(struct html *h, const char *p) +{ + bufncat(h, p, strlen(p)); } -/* ARGSUSED */ -static void -print_ctag(struct html *h, enum htmltag tag) +void +buffmt(struct html *h, const char *fmt, ...) { - - printf("", htmltags[tag].name); - if (HTML_BLOCK & htmltags[tag].flags) - h->flags |= HTML_NOSPACE; + va_list ap; + + 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); } -/* ARGSUSED */ -static void -print_gen_doctype(struct html *h) +void +bufncat(struct html *h, const char *p, size_t sz) { - - printf("\n", DOCTYPE, DTD); + + if (h->buflen + sz > BUFSIZ - 1) + sz = BUFSIZ - 1 - h->buflen; + + (void)strncat(h->buf, p, sz); + h->buflen += sz; } -static void -print_text(struct html *h, const char *p) +void +buffmt_includes(struct html *h, const char *name) { + const char *p, *pp; - if (*p && 0 == *(p + 1)) - switch (*p) { - case('.'): - /* FALLTHROUGH */ - case(','): - /* FALLTHROUGH */ - case(';'): - /* FALLTHROUGH */ - case(':'): - /* FALLTHROUGH */ - case('?'): - /* FALLTHROUGH */ - case('!'): - /* FALLTHROUGH */ - case(')'): - /* FALLTHROUGH */ - case(']'): - /* FALLTHROUGH */ - case('}'): - h->flags |= HTML_NOSPACE; + pp = h->base_includes; + + 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); +} - if ( ! (h->flags & HTML_NOSPACE)) - printf(" "); - h->flags &= ~HTML_NOSPACE; - if (p) - print_encode(p); +void +buffmt_man(struct html *h, + const char *name, const char *sec) +{ + const char *p, *pp; - if (*p && 0 == *(p + 1)) - switch (*p) { - case('('): - /* FALLTHROUGH */ - case('['): - /* FALLTHROUGH */ - case('{'): - h->flags |= HTML_NOSPACE; + 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; + } + if (pp) + bufcat(h, pp); +} + + +void +bufcat_su(struct html *h, const char *p, const struct roffsu *su) +{ + double v; + const char *u; + + v = su->scale; + + switch (su->unit) { + case (SCALE_CM): + u = "cm"; + break; + case (SCALE_IN): + u = "in"; + break; + case (SCALE_PC): + u = "pc"; + break; + case (SCALE_PT): + u = "pt"; + break; + case (SCALE_EM): + u = "em"; + break; + case (SCALE_MM): + if (0 == (v /= 100)) + v = 1; + u = "em"; + break; + case (SCALE_EN): + u = "ex"; + break; + case (SCALE_BU): + u = "ex"; + break; + case (SCALE_VS): + u = "em"; + break; + default: + u = "ex"; + break; + } + + /* + * XXX: the CSS spec isn't clear as to which types accept + * integer or real numbers, so we just make them all decimals. + */ + buffmt(h, "%s: %.2f%s;", p, v, u); +} + + +void +html_idcat(char *dst, const char *src, int sz) +{ + int ssz; + + assert(sz > 2); + + /* Cf. . */ + + /* We can't start with a number (bah). */ + + if ('#' == *dst) { + dst++; + sz--; + } + if ('\0' == *dst) { + *dst++ = 'x'; + *dst = '\0'; + sz--; + } + + for ( ; *dst != '\0' && sz; dst++, sz--) + /* Jump to end. */ ; + + for ( ; *src != '\0' && sz > 1; src++) { + ssz = snprintf(dst, (size_t)sz, "%.2x", *src); + sz -= ssz; + dst += ssz; + } }