Files
pcas/src/tools/dbdToHtml.pl
2015-07-24 10:42:09 -05:00

248 lines
7.2 KiB
Perl

#!/usr/bin/perl
#*************************************************************************
# Copyright (c) 2012 UChicago Argonne LLC, as Operator of Argonne
# National Laboratory.
# EPICS BASE is distributed subject to a Software License Agreement found
# in file LICENSE that is included with this distribution.
#*************************************************************************
# $Id$
use strict;
use FindBin qw($Bin);
use lib "$Bin/../../lib/perl";
use DBD;
use DBD::Parser;
use EPICS::Getopts;
use EPICS::macLib;
use EPICS::Readfile;
BEGIN {
$::XHTML = eval "require Pod::Simple::XHTML; 1";
$::ENTITIES = eval "require HTML::Entities; 1";
if (!$::XHTML) {
require Pod::Simple::HTML;
}
if (!$::ENTITIES) {
my %entities = (
q{>} => 'gt',
q{<} => 'lt',
q{'} => '#39',
q{"} => 'quot',
q{&} => 'amp',
);
sub encode_entities {
my $str = shift;
my $ents = join '', keys %entities;
$str =~ s/([ $ents ])/'&' . ($entities{$1} || sprintf '#x%X', ord $1) . ';'/xge;
return $str;
}
}
}
my $tool = 'dbdToHtml';
use vars qw($opt_D @opt_I $opt_o);
getopts('DI@o:') or
die "Usage: $tool [-D] [-I dir] [-o file.html] file.dbd.pod\n";
my $dbd = DBD->new();
my $infile = shift @ARGV;
$infile =~ m/\.dbd.pod$/ or
die "$tool: Input file '$infile' must have '.dbd.pod' extension\n";
&ParseDBD($dbd, &Readfile($infile, 0, \@opt_I));
if (!$opt_o) {
($opt_o = $infile) =~ s/\.dbd\.pod$/.html/;
$opt_o =~ s/^.*\///;
$opt_o =~ s/dbCommonRecord/dbCommon/;
}
if ($opt_D) { # Output dependencies only
my %filecount;
my @uniqfiles = grep { not $filecount{$_}++ } @inputfiles;
print "$opt_o: ", join(" \\\n ", @uniqfiles), "\n\n";
print map { "$_:\n" } @uniqfiles;
exit 0;
}
(my $title = $opt_o) =~ s/\.html$//;
open my $out, '>', $opt_o or
die "Can't create $opt_o: $!\n";
# Parse the Pod text from the root DBD object
my $pod = join "\n", '=for html <div class="pod">', '',
map {
# Handle a 'recordtype' Pod directive
if (m/^ =recordtype \s+ (\w+) /x) {
my $rn = $1;
my $rtyp = $dbd->recordtype($rn);
die "Unknown recordtype '$rn' in $infile POD directive\n"
unless $rtyp;
rtypeToPod($rtyp, $dbd);
}
# Handle a 'menu' Pod directive
elsif (m/^ =menu \s+ (\w+) /x) {
my $mn = $1;
my $menu = $dbd->menu($mn);
die "Unknown menu '$mn' in $infile POD directive\n"
unless $menu;
menuToPod($menu);
}
elsif (m/^ =title \s+ (.*)/x) {
$title = $1;
"=head1 $title";
}
else {
$_;
}
} $dbd->pod,
'=for html </div>', '';
my $podHtml;
if ($::XHTML) {
$podHtml = Pod::Simple::XHTML->new();
$podHtml->html_doctype(<< '__END_DOCTYPE');
<?xml version='1.0' encoding='iso-8859-1'?>
<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN'
'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>
__END_DOCTYPE
$podHtml->html_header_tags($podHtml->html_header_tags .
"\n<link rel='stylesheet' href='style.css' type='text/css'>");
} else { # Fall back to HTML
$podHtml = Pod::Simple::HTML->new();
$podHtml->html_css('style.css');
}
$podHtml->force_title(encode_entities($title));
$podHtml->perldoc_url_prefix('');
$podHtml->perldoc_url_postfix('.html');
$podHtml->output_fh($out);
$podHtml->parse_string_document($pod);
close $out;
sub menuToPod {
my ($menu) = @_;
my $index = 0;
return '=begin html', '', '<blockquote><table border="1"><tr>',
'<th>Index</th><th>Identifier</th><th>Choice String</th></tr>',
map({choiceTableRow($_, $index++)} $menu->choices),
'</table></blockquote>', '', '=end html';
}
sub choiceTableRow {
my ($ch, $index) = @_;
my ($id, $name) = @{$ch};
return '<tr>',
"<td class='cell DBD_Menu index'>$index</td>",
"<td class='cell DBD_Menu identifier'>$id</td>",
"<td class='cell DBD_Menu choice'>$name</td>",
'</tr>';
}
sub rtypeToPod {
my ($rtyp, $dbd) = @_;
return map {
# Handle a 'fields' Pod directive
if (m/^ =fields \s+ (\w+ (?:\s* , \s* \w+ )* )/x) {
my @names = split /\s*,\s*/, $1;
# Look up the named fields
my @fields = map {
my $field = $rtyp->field($_);
die "Unknown field name '$_' in $infile POD\n"
unless $field;
$field;
} @names;
# Generate Pod for the table
'=begin html', '', '<blockquote><table border="1"><tr>',
'<th>Field</th><th>Summary</th><th>Type</th><th>DCT</th>',
'<th>Default</th><th>Read</th><th>Write</th><th>CA PP</th>',
'</tr>',
map({fieldTableRow($_, $dbd)} @fields),
'</table></blockquote>', '', '=end html';
}
# Handle a 'menu' Pod directive
elsif (m/^ =menu \s+ (\w+) /x) {
my $mn = $1;
my $menu = $dbd->menu($mn);
die "Unknown menu '$mn' in $infile POD directive\n"
unless $menu;
menuToPod($menu);
}
else {
# Raw text line
$_;
}
} $rtyp->pod;
}
sub fieldTableRow {
my ($fld, $dbd) = @_;
my $html = '<tr><td class="cell">';
$html .= $fld->name;
$html .= '</td><td class="cell">';
$html .= $fld->attribute('prompt');
$html .= '</td><td class="cell">';
my $type = $fld->public_type;
$html .= $type;
$html .= ' [' . $fld->attribute('size') . ']'
if $type eq 'STRING';
if ($type eq 'MENU') {
my $mn = $fld->attribute('menu');
my $menu = $dbd->menu($mn);
my $url = $menu ? "#Menu_$mn" : "${mn}.html";
$html .= " (<a href='$url'>$mn</a>)";
}
$html .= '</td><td class="cell">';
$html .= $fld->attribute('promptgroup') ? 'Yes' : 'No';
$html .= '</td><td class="cell">';
$html .= $fld->attribute('initial') || '&nbsp;';
$html .= '</td><td class="cell">';
$html .= $fld->readable;
$html .= '</td><td class="cell">';
$html .= $fld->writable;
$html .= '</td><td class="cell">';
$html .= $fld->attribute('pp') eq 'TRUE' ? 'Yes' : 'No';
$html .= "</td></tr>\n";
return $html;
}
# Native type presented to dbAccess users
sub DBD::Recfield::public_type {
my $fld = shift;
m/^ =type \s+ (.+) /x && return $1 for $fld->comments;
my $type = $fld->dbf_type;
$type =~ s/^DBF_//;
return $type;
}
# Check if this field is readable
sub DBD::Recfield::readable {
my $fld = shift;
m/^ =read \s+ (?i) (Yes|No) /x && return $1 for $fld->comments;
return 'Probably'
if $fld->attribute('special') eq "SPC_DBADDR";
return $fld->dbf_type eq 'DBF_NOACCESS' ? 'No' : 'Yes';
}
# Check if this field is writable
sub DBD::Recfield::writable {
my $fld = shift;
m/^ =write \s+ (?i) (Yes|No) /x && return $1 for $fld->comments;
my $special = $fld->attribute('special');
return 'No'
if $special eq "SPC_NOMOD";
return 'Maybe'
if $special eq "SPC_DBADDR";
return $fld->dbf_type eq "DBF_NOACCESS" ? 'No' : 'Yes';
}