diff options
Diffstat (limited to 'contrib/mdocml/html.c')
| -rw-r--r-- | contrib/mdocml/html.c | 183 |
1 files changed, 101 insertions, 82 deletions
diff --git a/contrib/mdocml/html.c b/contrib/mdocml/html.c index 9d28b42..d4783ee 100644 --- a/contrib/mdocml/html.c +++ b/contrib/mdocml/html.c @@ -1,7 +1,7 @@ -/* $Id: html.c,v 1.152 2013/08/08 20:07:47 schwarze Exp $ */ +/* $Id: html.c,v 1.159 2014/07/23 15:00:08 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> - * Copyright (c) 2011, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org> + * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -31,6 +31,7 @@ #include <unistd.h> #include "mandoc.h" +#include "mandoc_aux.h" #include "libmandoc.h" #include "out.h" #include "html.h" @@ -109,11 +110,13 @@ static const char *const roffscales[SCALE_MAX] = { static void bufncat(struct html *, const char *, size_t); static void print_ctag(struct html *, enum htmltag); +static int print_escape(char); 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 void * ml_alloc(char *outopts, enum htmltype type) { @@ -135,16 +138,16 @@ ml_alloc(char *outopts, enum htmltype type) while (outopts && *outopts) switch (getsubopt(&outopts, UNCONST(toks), &v)) { - case (0): + case 0: h->style = v; break; - case (1): + case 1: h->base_man = v; break; - case (2): + case 2: h->base_includes = v; break; - case (3): + case 3: h->oflags |= HTML_FRAGMENT; break; default: @@ -161,7 +164,6 @@ html_alloc(char *outopts) return(ml_alloc(outopts, HTML_HTML_4_01_STRICT)); } - void * xhtml_alloc(char *outopts) { @@ -169,7 +171,6 @@ xhtml_alloc(char *outopts) return(ml_alloc(outopts, HTML_XHTML_1_0_STRICT)); } - void html_free(void *p) { @@ -179,17 +180,16 @@ html_free(void *p) h = (struct html *)p; while ((tag = h->tags.head) != NULL) { - h->tags.head = tag->next; + h->tags.head = tag->next; free(tag); } - + if (h->symtab) mchars_free(h->symtab); free(h); } - void print_gen_head(struct html *h) { @@ -226,21 +226,21 @@ print_metaf(struct html *h, enum mandoc_esc deco) enum htmlfont font; switch (deco) { - case (ESCAPE_FONTPREV): + case ESCAPE_FONTPREV: font = h->metal; break; - case (ESCAPE_FONTITALIC): + case ESCAPE_FONTITALIC: font = HTMLFONT_ITALIC; break; - case (ESCAPE_FONTBOLD): + case ESCAPE_FONTBOLD: font = HTMLFONT_BOLD; break; - case (ESCAPE_FONTBI): + case ESCAPE_FONTBI: font = HTMLFONT_BI; break; - case (ESCAPE_FONT): + case ESCAPE_FONT: /* FALLTHROUGH */ - case (ESCAPE_FONTROMAN): + case ESCAPE_FONTROMAN: font = HTMLFONT_NONE; break; default: @@ -257,13 +257,13 @@ print_metaf(struct html *h, enum mandoc_esc deco) h->metac = font; switch (font) { - case (HTMLFONT_ITALIC): + case HTMLFONT_ITALIC: h->metaf = print_otag(h, TAG_I, 0, NULL); break; - case (HTMLFONT_BOLD): + case HTMLFONT_BOLD: h->metaf = print_otag(h, TAG_B, 0, NULL); break; - case (HTMLFONT_BI): + case HTMLFONT_BI: h->metaf = print_otag(h, TAG_B, 0, NULL); print_otag(h, TAG_I, 0, NULL); break; @@ -302,19 +302,19 @@ html_strlen(const char *cp) break; cp++; switch (mandoc_escape(&cp, NULL, NULL)) { - case (ESCAPE_ERROR): + case ESCAPE_ERROR: return(sz); - case (ESCAPE_UNICODE): + case ESCAPE_UNICODE: /* FALLTHROUGH */ - case (ESCAPE_NUMBERED): + case ESCAPE_NUMBERED: /* FALLTHROUGH */ - case (ESCAPE_SPECIAL): + case ESCAPE_SPECIAL: if (skip) skip = 0; else sz++; break; - case (ESCAPE_SKIPCHAR): + case ESCAPE_SKIPCHAR: skip = 1; break; default: @@ -325,13 +325,45 @@ html_strlen(const char *cp) } static int +print_escape(char c) +{ + + switch (c) { + case '<': + printf("<"); + break; + case '>': + printf(">"); + break; + case '&': + printf("&"); + break; + case '"': + printf("""); + break; + case ASCII_NBRSP: + putchar('-'); + break; + case ASCII_HYPH: + putchar('-'); + /* FALLTHROUGH */ + case ASCII_BREAK: + break; + default: + return(0); + } + return(1); +} + +static int print_encode(struct html *h, const char *p, int norecurse) { size_t sz; int c, len, nospace; const char *seq; enum mandoc_esc esc; - static const char rejs[6] = { '\\', '<', '>', '&', ASCII_HYPH, '\0' }; + static const char rejs[9] = { '\\', '<', '>', '&', '"', + ASCII_NBRSP, ASCII_HYPH, ASCII_BREAK, '\0' }; nospace = 0; @@ -350,43 +382,29 @@ print_encode(struct html *h, const char *p, int norecurse) if ('\0' == *p) break; - switch (*p++) { - case ('<'): - printf("<"); + if (print_escape(*p++)) 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_FONT): + case ESCAPE_FONT: /* FALLTHROUGH */ - case (ESCAPE_FONTPREV): + case ESCAPE_FONTPREV: /* FALLTHROUGH */ - case (ESCAPE_FONTBOLD): + case ESCAPE_FONTBOLD: /* FALLTHROUGH */ - case (ESCAPE_FONTITALIC): + case ESCAPE_FONTITALIC: /* FALLTHROUGH */ - case (ESCAPE_FONTBI): + case ESCAPE_FONTBI: /* FALLTHROUGH */ - case (ESCAPE_FONTROMAN): + case ESCAPE_FONTROMAN: if (0 == norecurse) print_metaf(h, esc); continue; - case (ESCAPE_SKIPCHAR): + case ESCAPE_SKIPCHAR: h->flags |= HTML_SKIPCHAR; continue; default: @@ -399,25 +417,26 @@ print_encode(struct html *h, const char *p, int norecurse) } switch (esc) { - case (ESCAPE_UNICODE): - /* Skip passed "u" header. */ + case ESCAPE_UNICODE: + /* Skip past "u" header. */ c = mchars_num2uc(seq + 1, len - 1); if ('\0' != c) printf("&#x%x;", c); break; - case (ESCAPE_NUMBERED): + case ESCAPE_NUMBERED: c = mchars_num2char(seq, len); - if ('\0' != c) + if ( ! ('\0' == c || print_escape(c))) putchar(c); break; - case (ESCAPE_SPECIAL): + case ESCAPE_SPECIAL: c = mchars_spec2cp(h->symtab, seq, len); if (c > 0) printf("&#%d;", c); - else if (-1 == c && 1 == len) + else if (-1 == c && 1 == len && + !print_escape(*seq)) putchar((int)*seq); break; - case (ESCAPE_NOSPACE): + case ESCAPE_NOSPACE: if ('\0' == *p) nospace = 1; break; @@ -429,7 +448,6 @@ print_encode(struct html *h, const char *p, int norecurse) return(nospace); } - static void print_attr(struct html *h, const char *key, const char *val) { @@ -438,9 +456,8 @@ print_attr(struct html *h, const char *key, const char *val) putchar('\"'); } - struct tag * -print_otag(struct html *h, enum htmltag tag, +print_otag(struct html *h, enum htmltag tag, int sz, const struct htmlpair *p) { int i; @@ -490,7 +507,7 @@ print_otag(struct html *h, enum htmltag tag, if (HTML_AUTOCLOSE & htmltags[tag].flags) switch (h->type) { - case (HTML_XHTML_1_0_STRICT): + case HTML_XHTML_1_0_STRICT: putchar('/'); break; default: @@ -507,16 +524,15 @@ print_otag(struct html *h, enum htmltag tag, return(t); } - static void print_ctag(struct html *h, enum htmltag tag) { - + printf("</%s>", htmltags[tag].name); if (HTML_CLRLINE & htmltags[tag].flags) { h->flags |= HTML_NOSPACE; putchar('\n'); - } + } } void @@ -527,7 +543,7 @@ print_gen_decls(struct html *h) const char *name; switch (h->type) { - case (HTML_HTML_4_01_STRICT): + case HTML_HTML_4_01_STRICT: name = "HTML"; doctype = "-//W3C//DTD HTML 4.01//EN"; dtd = "http://www.w3.org/TR/html4/strict.dtd"; @@ -540,8 +556,8 @@ print_gen_decls(struct html *h) break; } - printf("<!DOCTYPE %s PUBLIC \"%s\" \"%s\">\n", - name, doctype, dtd); + printf("<!DOCTYPE %s PUBLIC \"%s\" \"%s\">\n", + name, doctype, dtd); } void @@ -560,13 +576,13 @@ print_text(struct html *h, const char *word) assert(NULL == h->metaf); switch (h->metac) { - case (HTMLFONT_ITALIC): + case HTMLFONT_ITALIC: h->metaf = print_otag(h, TAG_I, 0, NULL); break; - case (HTMLFONT_BOLD): + case HTMLFONT_BOLD: h->metaf = print_otag(h, TAG_B, 0, NULL); break; - case (HTMLFONT_BI): + case HTMLFONT_BI: h->metaf = print_otag(h, TAG_B, 0, NULL); print_otag(h, TAG_I, 0, NULL); break; @@ -589,14 +605,13 @@ print_text(struct html *h, const char *word) h->flags &= ~HTML_IGNDELIM; } - void print_tagq(struct html *h, const struct tag *until) { struct tag *tag; while ((tag = h->tags.head) != NULL) { - /* + /* * Remember to close out and nullify the current * meta-font and table, if applicable. */ @@ -612,7 +627,6 @@ print_tagq(struct html *h, const struct tag *until) } } - void print_stagq(struct html *h, const struct tag *suntil) { @@ -621,7 +635,7 @@ print_stagq(struct html *h, const struct tag *suntil) 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. */ @@ -657,6 +671,12 @@ void bufcat(struct html *h, const char *p) { + /* + * XXX This is broken and not easy to fix. + * When using the -Oincludes option, buffmt_includes() + * may pass in strings overrunning BUFSIZ, causing a crash. + */ + h->buflen = strlcat(h->buf, p, BUFSIZ); assert(h->buflen < BUFSIZ); } @@ -667,8 +687,8 @@ bufcat_fmt(struct html *h, const char *fmt, ...) va_list ap; va_start(ap, fmt); - (void)vsnprintf(h->buf + (int)h->buflen, - BUFSIZ - h->buflen - 1, fmt, ap); + (void)vsnprintf(h->buf + (int)h->buflen, + BUFSIZ - h->buflen - 1, fmt, ap); va_end(ap); h->buflen = strlen(h->buf); } @@ -688,12 +708,12 @@ buffmt_includes(struct html *h, const char *name) const char *p, *pp; pp = h->base_includes; - + bufinit(h); while (NULL != (p = strchr(pp, '%'))) { bufncat(h, pp, (size_t)(p - pp)); switch (*(p + 1)) { - case('I'): + case'I': bufcat(h, name); break; default: @@ -707,22 +727,21 @@ buffmt_includes(struct html *h, const char *name) } void -buffmt_man(struct html *h, - const char *name, const char *sec) +buffmt_man(struct html *h, const char *name, const char *sec) { const char *p, *pp; pp = h->base_man; - + bufinit(h); while (NULL != (p = strchr(pp, '%'))) { bufncat(h, pp, (size_t)(p - pp)); switch (*(p + 1)) { - case('S'): + case 'S': bufcat(h, sec ? sec : "1"); break; - case('N'): - bufcat_fmt(h, name); + case 'N': + bufcat_fmt(h, "%s", name); break; default: bufncat(h, p, 2); |
