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|
## HTML output
# Copyright (C) 1993-1995 Ian Jackson.
# Modified by John Bowman 02Sep06: simply docref usage
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# It is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with GNU Emacs; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
# (Note: I do not consider works produced using these BFNN processing
# tools to be derivative works of the tools, so they are NOT covered
# by the GPL. However, I would appreciate it if you credited me if
# appropriate in any documents you format using BFNN.)
use POSIX;
%saniarray= ('<','lt', '>','gt', '&','amp', '"','quot');
sub html_init {
$html_prefix = './'.$prefix;
$html_prefix =~ s:^\.//:/:;
system('rm','-r',"$html_prefix.html");
system('mkdir',"$html_prefix.html");
open(HTML,">$html_prefix.html/index.html");
print HTML "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2//EN\">\n";
print HTML "<html>\n";
$html_needpara= -1;
$html_end='';
my $epoch=$ENV{SOURCE_DATE_EPOCH} || time;
$html_date=POSIX::strftime("%Y-%m-%d", gmtime($epoch));
$html_year=POSIX::strftime("%Y", gmtime($epoch));
}
sub html_startup {
print HTML <<END;
<head><title>
$user_title
</title>
<link rev="made" href="mailto:$user_authormail">
<link rel="Contents" href="index.html">
<link rel="Start" href="index.html">
<META name="description"
content="Frequently asked questions and answers (FAQ) for Asymptote.">
<link rel="Bookmark" title="Asymptote FAQ" href="index.html">
<LINK rel="Bookmark" title="Asymptote Home Page"
href="https://asymptote.sourceforge.io">
<LINK rel="Bookmark" title="Asymptote Manual"
href="https://asymptote.sourceforge.io/doc/">
</head><body text="#000000" bgcolor="#FFFFFF"><h1>
$user_title
</h1>
END
&html_readrefs($_[0]);
if (length($user_copyrightref)) {
local ($refn) = $qrefn{$user_copyrightref};
if (!length($refn)) {
warn "unknown question (copyright) `$user_copyrightref'";
}
$refn =~ m/(\d+)\.(\d+)/;
local ($s,$n) = ($1,$2);
$html_copyrighthref= ($s == $html_sectionn)?'':"section$s.html";
$html_copyrighthref.= "#$qn2ref{$s,$n}";
}
}
sub html_close {
print HTML $html_end,"<address>\n$user_author\n";
print HTML "- $html_date\n</address><br>\n";
print HTML "Extracted from $user_title,\n";
print HTML "<A href=\"$html_copyrighthref\">" if length($html_copyrighthref);
print HTML "Copyright © $html_year $user_copyholder.";
print HTML "</A>" if length($html_copyrighthref);
print HTML "\n</body></html>\n";
close(HTML);
}
sub html_startmajorheading {
local ($ref, $this,$next,$back) = @_;
local ($nextt,$backt);
$this =~ s/^Section /section/; $html_sectionn= $ref;
$next =~ s/^Section /section/ && ($nextt= $sn2title{$'});
$back =~ s/^Section /section/ ? ($backt= $sn2title{$'}) : ($back='');
if ($html_sectionn) {
&html_close;
open(HTML,">$html_prefix.html/$this.html");
print HTML "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2//EN\">\n";
print HTML "<html>\n";
$html_end= "<hr>\n";
$html_end.= "Next: <a href=\"$next.html\" rel=precedes>$nextt</a>.<br>\n"
if $next;
$html_end.= "Back: <a href=\"$back.html\" rev=precedes>$backt</a>.<br>\n"
if $back;
$html_end.= "<a href=\"index.html\" rev=subdocument>";
$html_end.= "Return to contents</a>.<p>\n";
print HTML <<END;
<head><title>
$user_brieftitle - Section $html_sectionn
</title>
<link rev="made" href="mailto:$user_authormail">
<link rel="Contents" href="index.html">
<link rel="Start" href="index.html">
END
print HTML "<link rel=\"Next\" href=\"$next.html\">" if $next;
print HTML "<link rel=\"Previous\" href=\"$back.html\">" if $back;
print HTML <<END;
<link rel="Bookmark" title="Asymptote FAQ" href="index.html">
</head><body text="#000000" bgcolor="#FFFFFF"><h1>
$user_brieftitle - Section $html_sectionn <br>
END
$html_needpara= -1;
}
else {
print HTML "\n<h1>\n";
$html_needpara=-1;
}
}
sub html_endmajorheading {
print HTML "\n</h1>\n\n";
$html_needpara=-1;
}
sub html_startminorheading {
local ($ref, $this) = @_;
$html_needpara=0;
$this =~ m/^Question (\d+)\.(\d+)/;
local ($s,$n) = ($1,$2);
print HTML "\n<h2><A name=\"$qn2ref{$s,$n}\">\n";
}
sub html_endminorheading {
print HTML "\n</A></h2>\n\n";
$html_needpara=-1;
}
sub html_newsgroup { &arg('newsgroup'); }
sub html_endnewsgroup { &endarg('newsgroup'); }
sub html_do_newsgroup {
print HTML "<A href=\"news:$_[0]\"><code>$_[0]</code></A>";
}
sub html_email { &arg('email'); }
sub html_endemail { &endarg('email'); }
sub html_do_email {
print HTML "<A href=\"mailto:$_[0]\"><code>$_[0]</code></A>";
}
sub html_courier { print HTML "<code>" ; }
sub html_endcourier { print HTML "</code>"; }
sub html_italic { print HTML "<i>" ; }
sub html_enditalic { print HTML "</i>" ; }
sub html_docref { &arg('docref'); }
sub html_enddocref { &endarg('docref'); }
sub html_do_docref {
if (!defined($html_refval{$_[0]})) {
# Modified by John Bowman 02Sep06: interpret the argument as an html reference
# warn "undefined HTML reference $_[0]";
# $html_refval{$n}='UNDEFINED';
print HTML "<A href=\"$_[0]\">";
} else {
print HTML "<A href=\"$html_refval{$_[0]}\">";
}
&recurse($_[0]);
print HTML "</A>";
}
sub html_readrefs {
local ($p);
open(HTMLREFS,"<$_[0]") || (warn("failed to open HTML refs $_[0]: $!"),return);
while(<HTMLREFS>) {
next if m/^\\\s/;
s/\s*\n$//;
if (s/^\\prefix\s*//) {
$p= $'; next;
} elsif (s/^\s*(\S.*\S)\s*\\\s*//) {
$_=$1; $v=$';
s/\\\\/\\/g;
$html_refval{$_}= $p.$v;
} else {
warn("cannot understand line in HTML refs >$_<");
}
}
close(HTMLREFS);
}
sub html_ftpsilent { &arg('ftpsilent'); }
sub html_endftpsilent { &endarg('ftpsilent'); }
sub html_do_ftpsilent {
if ($_[0] =~ m/:/) {
$html_ftpsite= $`;
$html_ftpdir= $'.'/';
} else {
$html_ftpsite= $_[0];
$html_ftpdir= '';
}
}
sub html_ftpon { &arg('ftpon'); }
sub html_endftpon { &endarg('ftpon'); }
sub html_do_ftpon {
#print STDERR "ftpon($_[0])\n";
$html_ftpsite= $_[0]; $html_ftpdir= '';
print HTML "<code>";
&recurse($_[0]);
print HTML "</code>";
}
sub html_ftpin { &arg('ftpin'); }
sub html_endftpin { &endarg('ftpin'); }
sub html_do_ftpin {
#print STDERR "ftpin($_[0])\n";
print HTML "<A href=\"ftp://$html_ftpsite$html_ftpdir$_[0]\"><code>";
&recurse($_[0]);
print HTML "</code></A>";
}
sub html_text {
print HTML "\n<p>\n" if $html_needpara > 0;
$html_needpara=0;
$html_stuff= &html_sanitise($_[0]);
while ($html_stuff =~ s/^(.{40,70}) //) {
print HTML "$1\n";
}
print HTML $html_stuff;
}
sub html_tab {
$htmltabignore++ || warn "html tab ignored";
}
sub html_newline { print HTML "<br>\n" ; }
sub html_startverbatim { print HTML "<pre>\n" ; }
sub html_verbatim { print HTML &html_sanitise($_[0]),"\n"; }
sub html_endverbatim { print HTML "</pre>\n" ; $html_needpara= -1; }
sub html_endpara {
$html_needpara || $html_needpara++;
}
sub html_finish {
&html_close;
}
sub html_startindex {
print HTML "<ul>\n";
}
sub html_endindex {
print HTML "</ul><hr>\n";
}
sub html_startindexitem {
local ($ref,$qval) = @_;
$qval =~ m/Q(\d+)\.(\d+)/;
local ($s,$n) = ($1,$2);
print HTML "<li><a href=\"";
print HTML ($s == $html_sectionn)?'':"section$s.html";
print HTML "#$qn2ref{$s,$n}\" rel=subdocument>Q$s.$n. ";
$html_indexunhead='';
}
sub html_startindexmainitem {
local ($ref,$s) = @_;
$s =~ m/\d+/; $s= $&;
print HTML "<br><br>" if ($s > 1);
print HTML "<li><b><font size=\"+2\"><a href=\"section$s.html\" rel=subdocument>Section $s. ";
$html_indexunhead='</font></b>';
}
sub html_endindexitem {
print HTML "</a>$html_indexunhead\n";
}
sub html_startlist {
print HTML "\n";
$html_itemend="<ul>";
}
sub html_endlist {
print HTML "$html_itemend\n</ul>\n";
$html_needpara=-1
}
sub html_item {
print HTML "$html_itemend\n<li>";
$html_itemend="";
$html_needpara=-1;
}
sub html_startpackedlist {
print HTML "\n";
$html_itemend="<dir>";
}
sub html_endpackedlist {
print HTML "$html_itemend\n</dir>\n";
$html_needpara=-1;
}
sub html_packeditem {
print HTML "$html_itemend\n<li>";
$html_itemend="";
$html_needpara=-1;
}
sub html_startindent { print HTML "<blockquote>\n"; }
sub html_endindent { print HTML "</blockquote>\n"; }
sub html_pageref {
local ($ref,$sq) = @_;
$sq =~ m/(\d+)\.(\d+)/;
local ($s,$n) = ($1,$2);
print HTML "<A href=\"";
print HTML ($s == $html_sectionn)?'':"section$s.html";
print HTML "#$qn2ref{$s,$n}\">Q$sq \`";
}
sub html_endpageref {
print HTML "'</A>";
}
sub html_sanitise {
local ($in) = @_;
local ($out);
while ($in =~ m/[<>&"]/) {
$out.= $`. '&'. $saniarray{$&}. ';';
$in=$';
}
$out.= $in;
$out;
}
1;
|
