cpython/Doc/perl/ltxmarkup.perl

68 lines
1.9 KiB
Perl

# LaTeX2HTML support for the ltxmarkup package. Doesn't do indexing.
package main;
sub ltx_next_argument{
my $param;
$param = missing_braces()
unless ((s/$next_pair_pr_rx/$param=$2;''/eo)
||(s/$next_pair_rx/$param=$2;''/eo));
return $param;
}
sub do_cmd_macro{
local($_) = @_;
my $macro = ltx_next_argument();
return "<tt class='macro'>&#92;$macro</tt>" . $_;
}
sub do_cmd_env{
local($_) = @_;
my $env = ltx_next_argument();
return "<tt class='environment'>&#92;$env</tt>" . $_;
}
sub ltx_process_params{
# Handle processing of \p and \op for parameter specifications for
# envdesc and macrodesc. It's done this way to avoid defining do_cmd_p()
# and do_cmd_op() functions, which would be interpreted outside the context
# in which these commands are legal, and cause LaTeX2HTML to think they're
# defined. This way, other uses of \p and \op are properly flagged as
# unknown macros.
my $s = @_[0];
$s =~ s%\\op<<(\d+)>>(.+)<<\1>>%<tt>[</tt><var>$2</var><tt>]</tt>%;
while ($s =~ /\\p<<(\d+)>>(.+)<<\1>>/) {
$s =~ s%\\p<<(\d+)>>(.+)<<\1>>%<tt>{</tt><var>$2</var><tt>}</tt>%;
}
return $s;
}
sub do_env_macrodesc{
local($_) = @_;
my $macro = ltx_next_argument();
my $params = ltx_process_params(ltx_next_argument());
return "\n<dl class='macrodesc'>"
. "\n<dt><b><tt class='macro'>&#92;$macro</tt></b>"
. "\n $params</dt>"
. "\n<dd>"
. $_
. '</dd></dl>';
}
sub do_env_envdesc{
local($_) = @_;
my $env = ltx_next_argument();
my $params = ltx_process_params(ltx_next_argument());
return "\n<dl class='envdesc'>"
. "\n<dt><tt>&#92;begin{<b class='environment'>$env</b>}</tt>"
. "\n $params"
. "\n<br /><tt>&#92;end{<b class='environment'>$env</b>}</tt></dt>"
. "\n<dd>"
. $_
. '</dd></dl>';
}
1; # Must end with this, because Perl is bogus.