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|
# comes from alltt
if ($alltt_rx) {
$alltt_rx = 'vcode'."|$alltt_rx";
$alltt_rx =~ s/\|{2,}/\|/g; $alltt_rx =~ s/\|$//g;
} else {
$alltt_rx = 'vcode';
}
# everything here is inspired from other .perl files
# in the styles subdirectory of latex2html.
# There is no official documentation on how to implement
# new commands, except the ones that need to be ignored
# or passed to LaTeX to generate images.
&do_require_package ('alltt');
sub do_math_cmd_R {
('', '\\Re');
}
sub do_cmd_class {
local($_) = @_;
my $arg;
$arg = &missing_braces unless (
(s/$next_pair_pr_rx/$arg = $2;''/eo)
||(s/$next_pair_rx/$arg = $2;''/eo));
join ('', "{\@link $arg}", $_);
}
sub do_cmd_externalclass {
local($_) = @_;
my ($package, $class);
$package = &missing_braces unless (
(s/$next_pair_pr_rx/$package = $2;''/eo)
||(s/$next_pair_rx/$package = $2;''/eo));
$class = &missing_braces unless (
(s/$next_pair_pr_rx/$class = $2;''/eo)
||(s/$next_pair_rx/$class = $2;''/eo));
join ('', "{\@link $package.$class $class}", $_);
}
sub do_cmd_method {
local($_) = @_;
my ($method,$signature);
$method = &missing_braces unless (
(s/$next_pair_pr_rx/$method = $2;''/eo)
||(s/$next_pair_rx/$method = $2;''/eo));
$signature = &missing_braces unless (
(s/$next_pair_pr_rx/$signature = $2;''/eo)
||(s/$next_pair_rx/$signature = $2;''/eo));
$signature = "($signature)" if (length ($signature) > 0);
join ('', "{\@link #$method$signature $method}", $_);
}
sub do_cmd_externalmethod {
local($_) = @_;
my ($package, $class, $method, $signature);
$package = &missing_braces unless (
(s/$next_pair_pr_rx/$package = $2;''/eo)
||(s/$next_pair_rx/$package = $2;''/eo));
$class = &missing_braces unless (
(s/$next_pair_pr_rx/$class = $2;''/eo)
||(s/$next_pair_rx/$class = $2;''/eo));
$method = &missing_braces unless (
(s/$next_pair_pr_rx/$method = $2;''/eo)
||(s/$next_pair_rx/$method = $2;''/eo));
$signature = &missing_braces unless (
(s/$next_pair_pr_rx/$signature = $2;''/eo)
||(s/$next_pair_rx/$signature = $2;''/eo));
$package .= '.' if (length($package) > 0);
$signature = "($signature)" if (length ($signature) > 0);
join ('', "{\@link $package$class#$method$signature $method}", $_);
}
sub do_cmd_clsexternalmethod {
local($_) = @_;
my ($package, $class, $method, $signature);
$package = &missing_braces unless (
(s/$next_pair_pr_rx/$package = $2;''/eo)
||(s/$next_pair_rx/$package = $2;''/eo));
$class = &missing_braces unless (
(s/$next_pair_pr_rx/$class = $2;''/eo)
||(s/$next_pair_rx/$class = $2;''/eo));
$method = &missing_braces unless (
(s/$next_pair_pr_rx/$method = $2;''/eo)
||(s/$next_pair_rx/$method = $2;''/eo));
$signature = &missing_braces unless (
(s/$next_pair_pr_rx/$signature = $2;''/eo)
||(s/$next_pair_rx/$signature = $2;''/eo));
$package .= '.' if (length($package) > 0);
$signature = "($signature)" if (length ($signature) > 0);
join ('', "{\@link $package$class#$method$signature $class.$method}", $_);
}
sub do_cmd_param {
local($_) = @_;
my ($arg, $desc);
$arg = &missing_braces unless (
(s/$next_pair_pr_rx/$arg = $2;''/eo)
||(s/$next_pair_rx/$arg = $2;''/eo));
$desc = &missing_braces unless (
(s/$next_pair_pr_rx/$desc = $2;''/eo)
||(s/$next_pair_rx/$desc = $2;''/eo));
join ('', "\@param $arg $desc\n", $_);
}
sub do_cmd_blocktag {
local($_) = @_;
my ($arg, $desc);
$tagname = &missing_braces unless (
(s/$next_pair_pr_rx/$arg = $2;''/eo)
||(s/$next_pair_rx/$arg = $2;''/eo));
$desc = &missing_braces unless (
(s/$next_pair_pr_rx/$desc = $2;''/eo)
||(s/$next_pair_rx/$desc = $2;''/eo));
join ('', "$tagname $desc\n", $_);
}
sub do_cmd_return {
local($_) = @_;
my $text;
$text = &missing_braces unless (
(s/$next_pair_pr_rx/$text = $2;''/eo)
||(s/$next_pair_rx/$text = $2;''/eo));
join ('', "\@return $text", $_);
}
sub do_cmd_exception {
local($_) = @_;
my ($arg, $desc);
$arg = &missing_braces unless (
(s/$next_pair_pr_rx/$arg = $2;''/eo)
||(s/$next_pair_rx/$arg = $2;''/eo));
$desc = &missing_braces unless (
(s/$next_pair_pr_rx/$desc = $2;''/eo)
||(s/$next_pair_rx/$desc = $2;''/eo));
join ('', "\@exception $arg $desc\n", $_);
}
# Some problems arise with math commands
# Some symbols must not be
# displayed as a Unicode char
# because they cause display problems
# with some browsers.
%custom_math_tr = (
'lfloor', 'floor(',
'rfloor', ')',
'lceil', 'ceil(',
'rceil', ')',
'approx', ' =~ ',
'var', 'var',
'Var', 'Var',
'le', ' <= ',
'leq', ' <= ',
'ge', ' >= ',
'geq', ' >= ',
'to', ' -> ',
'htmax', 'max',
'htmin', 'min',
'htinf', 'inf',
'htsup', 'sup',
'htint', '∫',
'htsum', '∑',
'htprod', '∏',
'htlim', 'lim'
);
foreach my $mathcmd (keys %custom_math_tr) {
eval ("sub do_math_cmd_$mathcmd {\n ('$custom_math_tr{$mathcmd}', \@_);\n}");
}
sub do_math_cmd_bar {
$arg = &missing_braces unless (
(s/$next_pair_pr_rx/$arg = $2;''/eo)
||(s/$next_pair_rx/$arg = $2;''/eo));
("bar($arg)", @_);
}
sub do_math_cmd_overline {
$arg = &missing_braces unless (
(s/$next_pair_pr_rx/$arg = $2;''/eo)
||(s/$next_pair_rx/$arg = $2;''/eo));
("bar($arg)", @_);
}
sub do_math_cmd_hat {
$arg = &missing_braces unless (
(s/$next_pair_pr_rx/$arg = $2;''/eo)
||(s/$next_pair_rx/$arg = $2;''/eo));
("hat($arg)", @_);
}
# Inspired from math.pl
sub do_math_cmd_sqrt {
local($_) = @_;
local($n) = &get_next_optional_argument;
local($surd) = &get_next_token();
$n ? ("($surd)<SUP>1/$n</SUP>", $_) : ("($surd)<SUP>1/2</SUP>", $_);
}
sub do_env_hide {
"";
}
sub do_env_detailed {
"";
}
sub do_env_vcode {
# Comes from alltt.perl
local ($_) = @_;
local($closures,$reopens,$alltt_start,$alltt_end,@open_block_tags);
if ($HTML_VERSION > 3.0) {
if ($USING_STYLES) {
$env_id .= ' CLASS="vcode"' unless ($env_id =~/CLASS=/);
$env_style{'vcode'} = " " unless ($env_style{'vcode'});
}
$alltt_start = "\n<DIV$env_id ALIGN=\"LEFT\">\n";
$alltt_end = "\n</DIV>\n";
$env_id = '';
} else {
$alltt_start = "<P ALIGN=\"LEFT\">";
$alltt_end = "</P>";
}
# get the tag-strings for all open tags
local(@keep_open_tags) = @$open_tags_R;
($closures,$reopens) = &preserve_open_tags() if (@$open_tags_R);
# get the tags for text-level tags only
$open_tags_R = [ @keep_open_tags ];
local($local_closures, $local_reopens);
($local_closures, $local_reopens,@open_block_tags) = &preserve_open_block_tags
if (@$open_tags_R);
$open_tags_R = [ @open_block_tags ];
do {
local($open_tags_R) = [ @open_block_tags ];
local(@save_open_tags) = ();
# preserve the possibility for hiding
s/\\(begin|end)$O(\d+)${C}hide$O\2$C/<$1_hide>/go;
# This will prevent braces from being interpreted as
# arguments, allowing us to display them.
# This thing comes from latex2html main script, sub
# revert_to_raw_tex.
while (s/$O\s*\d+\s*$C/\{/o) { s/$&/\}/;}
while (s/$O\s*\d+\s*$C/\{/o) { s/$&/\}/;} #repeat this.
# The same for processed markers ...
while ( s/$OP\s*\d+\s*$CP/\{/o ) { s/$&/\}/; }
while ( s/$OP\s*\d+\s*$CP/\{/o ) { s/$&/\}/;} #repeat this.
# Environments have to be ignored here.
s/\\(begin|end)//g;
# Some commands have {} has argument, remove that.
s/(\\(?:[a-zA-Z]+|[^a-zA-Z])\s*)\{\}/$1/g;
local($cnt) = ++$global{'max_id'};
# put back the hide environments.
s/<(begin|end)_hide>/\\$1$O$cnt${C}hide$O$cnt$C/g;
$cnt = ++$global{'max_id'};
# This comes from alltt
$_ = join('',"$O$cnt$C\\tt$O", ++$global{'max_id'}, $C
, $_ , $O, $global{'max_id'}, "$C$O$cnt$C");
$_ = &translate_environments($_);
$_ = &translate_commands($_) if (/\\/);
# preserve space-runs, using
while (s/(\S) ( +)/$1$2;SPMnbsp;/g){};
s/(<BR>) /$1;SPMnbsp;/g;
#RRM: using <PRE> tags doesn't allow images, etc.
# $_ = &revert_to_raw_tex($_);
# &mark_string; # ???
# s/\\([{}])/$1/g; # ???
# s/<\/?\w+>//g; # no nested tags allowed
# join('', $closures,"<PRE$env_id>$_</PRE>", $reopens);
# s/<P>//g;
# join('', $closures,"<PRE$env_id>", $_, &balance_tags(), '</PRE>', $reopens);
$_ = join('', $closures, $alltt_start , $local_reopens
, $_
, &balance_tags() #, $local_closures
, $alltt_end, $reopens);
undef $open_tags_R; undef @save_open_tags;
};
$open_tags_R = [ @keep_open_tags ];
$_;
}
&ignore_commands ("tab\ntabb\ntabbb\nendtab\nendtabb\nendtabbb\nhrule\n"
. "cite # [] # {}\n"
. "eqlabel # {}\n"
. "ref # {}\n"
. "defclass # {}\n"
. "defmodule # {}");
1;
|
