cpython/Doc/myformat.perl

464 lines
12 KiB
Perl

# myformat.perl by Guido van Rossum <guido@cwi.nl> 25 Jan 1994 -*- perl -*-
#
# Extension to LaTeX2HTML for documents using myformat.sty.
# Subroutines of the form do_cmd_<name> here define translations
# for LaTeX commands \<name> defined in the corresponding .sty file.
#
# XXX Not complete: \indexii etc.; \funcitem etc.
package main;
# \bcode and \ecode brackets around verbatim
sub do_cmd_bcode{ @_[0]; }
sub do_cmd_ecode{ @_[0]; }
# words typeset in a special way (not in HTML though)
sub do_cmd_ABC{ join('', 'ABC', @_[0]); }
sub do_cmd_UNIX{ join('', 'Unix', @_[0]); }
sub do_cmd_ASCII{ join('', 'ASCII', @_[0]); }
sub do_cmd_C{ join('', 'C', @_[0]); }
sub do_cmd_Cpp{ join('', 'C++', @_[0]); }
sub do_cmd_EOF{ join('', 'EOF', @_[0]); }
sub do_cmd_NULL{ join('', 'NULL', @_[0]); }
sub do_cmd_e{ local($_) = @_; '&#92;' . $_; }
sub do_cmd_optional{
local($_) = @_;
s/$any_next_pair_pr_rx/<\/var><big>\[<\/big><var>\2<\/var><big>\]<\/big><var>/;
$_;
}
sub do_cmd_varvars{
local($_) = @_;
s/$any_next_pair_pr_rx/<var>\2<\/var>/;
$_;
}
# texinfo-like formatting commands: \code{...} etc.
sub do_cmd_code{
local($_) = @_;
s/$any_next_pair_pr_rx/<code>\2<\/code>/;
$_;
}
sub do_cmd_sectcode{ &do_cmd_code(@_); }
sub do_cmd_kbd{
local($_) = @_;
s/$any_next_pair_pr_rx/<kbd>\2<\/kbd>/;
$_;
}
sub do_cmd_key{
local($_) = @_;
s/$any_next_pair_pr_rx/<tt>\2<\/tt>/;
$_;
}
sub do_cmd_var{
local($_) = @_;
s/$any_next_pair_pr_rx/<var>\2<\/var>/;
$_;
}
sub do_cmd_dfn{
local($_) = @_;
s/$any_next_pair_pr_rx/<i><dfn>\2<\/dfn><\/i>/;
$_;
}
sub do_cmd_emph{
local($_) = @_;
s/$any_next_pair_pr_rx/<em>\2<\/em>/;
$_;
}
sub do_cmd_strong{
local($_) = @_;
s/$any_next_pair_pr_rx/<b>\2<\/b>/;
$_;
}
# file and samp are at the end of this file since they screw up fontlock.
# index commands
sub do_cmd_indexii{
local($_) = @_;
s/$next_pair_pr_rx//o;
local($br_id1, $str1) = ($1, $2);
s/$next_pair_pr_rx//o;
local($br_id2, $str2) = ($1, $2);
join('', &make_index_entry($br_id1, "$str1 $str2"),
&make_index_entry($br_id2, "$str2, $str1"), $_);
}
sub do_cmd_indexiii{
local($_) = @_;
s/$next_pair_pr_rx//o;
local($br_id1, $str1) = ($1, $2);
s/$next_pair_pr_rx//o;
local($br_id2, $str2) = ($1, $2);
s/$next_pair_pr_rx//o;
local($br_id3, $str3) = ($1, $2);
join('', &make_index_entry($br_id1, "$str1 $str2 $str3"),
&make_index_entry($br_id2, "$str2 $str3, $str1"),
&make_index_entry($br_id3, "$str3, $str1 $str2"),
$_);
}
sub do_cmd_indexiv{
local($_) = @_;
s/$next_pair_pr_rx//o;
local($br_id1, $str1) = ($1, $2);
s/$next_pair_pr_rx//o;
local($br_id2, $str2) = ($1, $2);
s/$next_pair_pr_rx//o;
local($br_id3, $str3) = ($1, $2);
s/$next_pair_pr_rx//o;
local($br_id4, $str4) = ($1, $2);
join('', &make_index_entry($br_id1, "$str1 $str2 $str3 $str4"),
&make_index_entry($br_id2, "$str2 $str3 $str4, $str1"),
&make_index_entry($br_id3, "$str3 $str4, $str1 $str2"),
&make_index_entry($br_id4, "$str4, $str1 $str2 $str3"),
$_);
}
sub do_cmd_ttindex{
&do_cmd_index(@_);
}
sub my_typed_index_helper{
local($word, $_) = @_;
s/$next_pair_pr_rx//o;
local($br_id, $str) = ($1, $2);
join('', &make_index_entry($br_id, "$str $word"),
&make_index_entry($br_id, "$word, $str"), $_);
}
sub do_cmd_stindex{ &my_typed_index_helper('statement', @_); }
sub do_cmd_kwindex{ &my_typed_index_helper('keyword', @_); }
sub do_cmd_opindex{ &my_typed_index_helper('operator', @_); }
sub do_cmd_exindex{ &my_typed_index_helper('exception', @_); }
sub do_cmd_obindex{ &my_typed_index_helper('object', @_); }
sub my_parword_index_helper{
local($word, $_) = @_;
s/$next_pair_pr_rx//o;
local($br_id, $str) = ($1, $2);
&make_index_entry($br_id, "$str ($word)") . $_;
}
sub make_mod_index_entry {
local($br_id,$str,$define) = @_;
local($halfref) = &make_half_href("$CURRENT_FILE#$br_id");
# If TITLE is not yet available (i.e the \index command is in the title
# of the current section), use $ref_before.
$TITLE = $ref_before unless $TITLE;
# Save the reference
if ($define eq "DEF") {
local($nstr,$garbage) = split / /, $str, 2;
$Modules{$nstr} .= $halfref;
}
$str = &gen_index_id($str, $define);
$index{$str} .= $halfref;
"<a name=\"$br_id\">$anchor_invisible_mark<\/a>";
}
sub my_module_index_helper{
local($word, $_, $define) = @_;
s/$next_pair_pr_rx//o;
local($br_id, $str) = ($1, $2);
&make_mod_index_entry($br_id, "<tt>$str</tt> ($word module)",
$define) . $_;
}
sub do_cmd_bifuncindex{ &my_parword_index_helper('built-in function', @_); }
sub do_cmd_bimodindex{ &my_module_index_helper('built-in', @_, 'DEF'); }
sub do_cmd_stmodindex{ &my_module_index_helper('standard', @_, 'DEF'); }
sub do_cmd_bifuncindex{ &my_parword_index_helper('standard module', @_); }
sub do_cmd_refbimodindex{ &my_module_index_helper('built-in', @_, 'REF'); }
sub do_cmd_refstmodindex{ &my_module_index_helper('standard', @_, 'REF'); }
sub do_cmd_nodename{ &do_cmd_label(@_); }
sub do_cmd_mytableofcontents{ @_[0]; }
sub init_myformat{
# XXX need some way for this to be called after &initialise;
# <<2>>...<<2>>
$any_next_pair_rx3 = "$O(\\d+)$C([\\s\\S]*)$O\\3$C";
$any_next_pair_rx5 = "$O(\\d+)$C([\\s\\S]*)$O\\5$C";
$any_next_pair_rx7 = "$O(\\d+)$C([\\s\\S]*)$O\\7$C";
$any_next_pair_rx9 = "$O(\\d+)$C([\\s\\S]*)$O\\9$C";
# <#2#>...<#2#>
$any_next_pair_pr_rx_3 = "$OP(\\d+)$CP([\\s\\S]*)$OP\\3$CP";
$any_next_pair_pr_rx_5 = "$OP(\\d+)$CP([\\s\\S]*)$OP\\5$CP";
$any_next_pair_pr_rx_7 = "$OP(\\d+)$CP([\\s\\S]*)$OP\\7$CP";
$any_next_pair_pr_rx_9 = "$OP(\\d+)$CP([\\s\\S]*)$OP\\9$CP";
$new_command{"indexsubitem"} = "";
}
&init_myformat;
sub get_indexsubitem{
local($result) = $new_command{"indexsubitem"};
#print "\nget_indexsubitem ==> $result\n";
$result ? " $result" : '';
}
# similar to make_index_entry(), but includes the string in the result
# instead of the dummy filler.
#
sub make_str_index_entry {
local($br_id,$str) = @_;
# If TITLE is not yet available (i.e the \index command is in the title
# of the current section), use $ref_before.
$TITLE = $ref_before unless $TITLE;
# Save the reference
local($nstr) = &gen_index_id($str, '');
$index{$nstr} .= &make_half_href("$CURRENT_FILE#$br_id");
"<a name=\"$br_id\">$str<\/a>";
}
sub do_env_cfuncdesc{
local($_) = @_;
local($return_type,$function_name,$arg_list,$idx) = ('', '', '', '');
local($cfuncdesc_rx) =
"$next_pair_rx$any_next_pair_rx3$any_next_pair_rx5";
$* = 1;
if (/$cfuncdesc_rx/o) {
$return_type = "$2";
$function_name = "$4";
$arg_list = "$6";
$idx = &make_str_index_entry($3,
"<tt>$function_name</tt>" . &get_indexsubitem);
}
$* = 0;
"<dl><dt>$return_type <b>$idx</b>" .
"(<var>$arg_list</var>)\n<dd>$'\n</dl>"
}
sub do_env_ctypedesc{
local($_) = @_;
local($type_name) = ('');
local($cfuncdesc_rx) =
"$next_pair_rx";
$* = 1;
if (/$cfuncdesc_rx/o) {
$type_name = "$2";
$idx = &make_str_index_entry($1,
"<tt>$type_name</tt>" . &get_indexsubitem);
}
$* = 0;
"<dl><dt><b>$idx</b>\n<dd>$'\n</dl>"
}
sub do_env_cvardesc{
local($_) = @_;
local($var_type,$var_name,$idx) = ('', '', '');
local($cfuncdesc_rx) = "$next_pair_rx$any_next_pair_rx3";
$* = 1;
if (/$cfuncdesc_rx/o) {
$var_type = "$2";
$var_name = "$4";
$idx = &make_str_index_entry($3,"<tt>$var_name</tt>" . &get_indexsubitem);
}
$* = 0;
"<dl><dt>$var_type <b>$idx</b>\n" .
"<dd>$'\n</dl>";
}
sub do_env_funcdesc{
local($_) = @_;
local($function_name,$arg_list,$idx) = ('', '', '');
local($funcdesc_rx) = "$next_pair_rx$any_next_pair_rx3";
$* = 1;
if (/$funcdesc_rx/o) {
$function_name = "$2";
$arg_list = "$4";
$idx = &make_str_index_entry($3,
"<tt>$function_name</tt>" . &get_indexsubitem);
}
$* = 0;
"<dl><dt><b>$idx</b> (<var>$arg_list</var>)\n<dd>$'\n</dl>";
}
sub do_cmd_funcline{
local($_) = @_;
local($funcdesc_rx) = "$next_pair_pr_rx$OP(\\d+)$CP([\\s\\S]*)$OP\\3$CP";
s/$funcdesc_rx//o;
local($br_id, $function_name, $arg_list) = ($3, $2, $4);
local($idx) = &make_str_index_entry($br_id, "<tt>$function_name</tt>");
"<dt><b>$idx</b> (<var>$arg_list</var>)\n<dd>" . $_;
}
sub do_env_opcodedesc{
local($_) = @_;
local($opcode_name,$arg_list,$stuff,$idx) = ('', '', '', '');
local($opcodedesc_rx) = "$next_pair_rx$any_next_pair_rx3";
$* = 1;
if (/$opcodedesc_rx/o) {
$opcode_name = "$2";
$arg_list = "$4";
$idx = &make_str_index_entry($3,
"<tt>$opcode_name</tt> (byte code instruction)");
}
$* = 0;
$stuff = "<dl><dt><b>$idx</b>";
if ($arg_list) {
$stuff = "$stuff&nbsp;&nbsp;&nbsp;&nbsp;<var>$arg_list</var>";
}
$stuff . "\n<dd>$'\n</dl>";
}
sub do_env_datadesc{
local($_) = @_;
local($data_name,$idx) = ('', '');
local($datadesc_rx) = "$next_pair_rx";
$* = 1;
if (/$datadesc_rx/o) {
$data_name = "$2";
$idx = &make_str_index_entry($3,
"<tt>$data_name</tt>" . &get_indexsubitem);
}
$* = 0;
"<dl><dt><b>$idx</b>\n<dd>$'\n</dl>"
}
sub do_cmd_dataline{
local($_) = @_;
s/$next_pair_pr_rx//o;
local($br_id, $data_name) = ($1, $2);
local($idx) = &make_str_index_entry($br_id, "<tt>$data_name</tt>");
"<dt><b>$idx</b>\n<dd>" . $_;
}
sub do_env_excdesc{ &do_env_datadesc(@_); }
@col_aligns = ("<td>", "<td>", "<td>");
sub setup_column_alignments{
local($_) = @_;
local($j1,$a1,$a2,$a3,$j4) = split(/[|]/,$_);
local($th1,$th2,$th3) = ('<th>', '<th>', '<th>');
$col_aligns[0] = (($a1 eq "c") ? "<td align=center>" : "<td>");
$col_aligns[1] = (($a2 eq "c") ? "<td align=center>" : "<td>");
$col_aligns[2] = (($a3 eq "c") ? "<td align=center>" : "<td>");
# return the aligned header start tags; only used for \begin{tableiii?}
$th1 = (($a1 eq "l") ? "<th align=left>"
: ($a1 eq "r" ? "<th align=right>" : "<th>"));
$th2 = (($a2 eq "l") ? "<th align=left>"
: ($a2 eq "r" ? "<th align=right>" : "<th>"));
$th3 = (($a3 eq "l") ? "<th align=left>"
: ($a3 eq "r" ? "<th align=right>" : "<th>"));
($th1, $th2, $th3);
}
sub do_env_tableii{
local($_) = @_;
local($font,$h1,$h2) = ('', '', '');
local($tableiii_rx) =
"$next_pair_rx$any_next_pair_rx3$any_next_pair_rx5$any_next_pair_rx7";
$* = 1;
if (/$tableiii_rx/o) {
$font = $4;
$h1 = $6;
$h2 = $8;
}
local($th1,$th2,$th3) = &setup_column_alignments($2);
$globals{"lineifont"} = $font;
"<table border align=center>\n <tr>$th1$h1</th>\n $th2$h2</th>$'\n"
. "</table>";
}
sub do_cmd_lineii{
local($_) = @_;
s/$next_pair_pr_rx//o;
local($c1) = $2;
s/$next_pair_pr_rx//o;
local($c2) = $2;
local($font) = $globals{"lineifont"};
local($c1align, $c2align) = @col_aligns[0,1];
"<tr>$c1align<$font>$c1</$font></td>\n"
. " $c2align$c2</td>$'";
}
sub do_env_tableiii{
local($_) = @_;
local($font,$h1,$h2,$h3) = ('', '', '', '');
local($tableiii_rx) =
"$next_pair_rx$any_next_pair_rx3$any_next_pair_rx5$any_next_pair_rx7"
. "$any_next_pair_rx9";
$* = 1;
if (/$tableiii_rx/o) {
$font = $4;
$h1 = $6;
$h2 = $8;
$h3 = $10;
}
local($th1,$th2,$th3) = &setup_column_alignments($2);
$globals{"lineifont"} = $font;
"<table border align=center>\n <tr>$th1$h1</th>\n $th2$h2</th>"
. "\n $th3$h3</th>$'\n"
. "</table>";
}
sub do_cmd_lineiii{
local($_) = @_;
s/$next_pair_pr_rx//o;
local($c1) = $2;
s/$next_pair_pr_rx//o;
local($c2) = $2;
s/$next_pair_pr_rx//o;
local($c3) = $2;
local($font) = $globals{"lineifont"};
local($c1align, $c2align, $c3align) = @col_aligns;
"<tr>$c1align<$font>$c1</$font></td>\n"
. " $c2align$c2</td>\n"
. " $c3align$c3</td>$'";
}
sub do_env_seealso{
local($_) = @_;
"<p><b>See Also:</b></p>\n" . $_;
}
sub do_cmd_seemodule{
local($_) = @_;
local($any_next_pair_pr_rx3) = "$OP(\\d+)$CP([\\s\\S]*)$OP\\3$CP";
s/$next_pair_pr_rx$any_next_pair_pr_rx3/<p><code><b>\2<\/b><\/code> (\4)<\/p>/;
$_;
}
sub do_cmd_seetext{
local($_) = @_;
"<p>" . $_;
}
# These are located down here since they screw up fontlock.
sub do_cmd_file{
local($_) = @_;
s/$any_next_pair_pr_rx/`<code>\2<\/code>'/;
$_;
}
sub do_cmd_samp{
local($_) = @_;
s/$any_next_pair_pr_rx/`<samp>\2<\/samp>'/;
$_;
}
1; # This must be the last line