--- /dev/null
+#! /usr/bin/env perl
+# Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License"). You may not use
+# this file except in compliance with the License. You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
+# Reads one or more template files and runs it through Text::Template
+#
+# It is assumed that this scripts is called with -Mconfigdata, a module
+# that holds configuration data in %config
+
+use strict;
+use warnings;
+
+use Getopt::Std;
+
+# We actually expect to get the following hash tables from configdata:
+#
+# %config
+# %target
+# %withargs
+# %unified_info
+#
+# We just do a minimal test to see that we got what we expected.
+# $config{target} must exist as an absolute minimum.
+die "You must run this script with -Mconfigdata\n" if !exists($config{target});
+
+# Make a subclass of Text::Template to override append_text_to_result,
+# as recommended here:
+#
+# http://search.cpan.org/~mjd/Text-Template-1.46/lib/Text/Template.pm#Automatic_postprocessing_of_template_hunks
+
+package OpenSSL::Template;
+
+# Because we know that Text::Template isn't a core Perl module, we use
+# a fallback in case it's not installed on the system
+use File::Basename;
+use File::Spec::Functions;
+use lib catdir(dirname(__FILE__));
+use with_fallback qw(Text::Template);
+
+#use parent qw/Text::Template/;
+use vars qw/@ISA/;
+push @ISA, qw/Text::Template/;
+
+# Override constructor
+sub new {
+ my ($class) = shift;
+
+ # Call the constructor of the parent class, Person.
+ my $self = $class->SUPER::new( @_ );
+ # Add few more attributes
+ $self->{_output_off} = 0; # Default to output hunks
+ bless $self, $class;
+ return $self;
+}
+
+sub append_text_to_output {
+ my $self = shift;
+
+ if ($self->{_output_off} == 0) {
+ $self->SUPER::append_text_to_output(@_);
+ }
+
+ return;
+}
+
+sub output_reset_on {
+ my $self = shift;
+ $self->{_output_off} = 0;
+}
+
+sub output_on {
+ my $self = shift;
+ if (--$self->{_output_off} < 0) {
+ $self->{_output_off} = 0;
+ }
+}
+
+sub output_off {
+ my $self = shift;
+ $self->{_output_off}++;
+}
+
+# Come back to main
+
+package main;
+
+# Helper functions for the templates #################################
+
+# It might be practical to quotify some strings and have them protected
+# from possible harm. These functions primarly quote things that might
+# be interpreted wrongly by a perl eval.
+
+# quotify1 STRING
+# This adds quotes (") around the given string, and escapes any $, @, \,
+# " and ' by prepending a \ to them.
+sub quotify1 {
+ my $s = shift @_;
+ $s =~ s/([\$\@\\"'])/\\$1/g;
+ '"'.$s.'"';
+}
+
+# quotify_l LIST
+# For each defined element in LIST (i.e. elements that aren't undef), have
+# it quotified with 'quotofy1'
+sub quotify_l {
+ map {
+ if (!defined($_)) {
+ ();
+ } else {
+ quotify1($_);
+ }
+ } @_;
+}
+
+# Error reporter #####################################################
+
+# The error reporter uses %lines to figure out exactly which file the
+# error happened and at what line. Not that the line number may be
+# the start of a perl snippet rather than the exact line where it
+# happened. Nothing we can do about that here.
+
+my %lines = ();
+sub broken {
+ my %args = @_;
+ my $filename = "<STDIN>";
+ my $deducelines = 0;
+ foreach (sort keys %lines) {
+ $filename = $lines{$_};
+ last if ($_ > $args{lineno});
+ $deducelines += $_;
+ }
+ print STDERR $args{error}," in $filename, fragment starting at line ",$args{lineno}-$deducelines;
+ undef;
+}
+
+# Check options ######################################################
+
+my %opts = ();
+
+# -o ORIGINATOR
+# declares ORIGINATOR as the originating script.
+getopt('o', \%opts);
+
+my @autowarntext = ("WARNING: do not edit!",
+ "Generated"
+ . (defined($opts{o}) ? " by ".$opts{o} : "")
+ . (scalar(@ARGV) > 0 ? " from ".join(", ",@ARGV) : ""));
+
+# Template reading ###################################################
+
+# Read in all the templates into $text, while keeping track of each
+# file and its size in lines, to try to help report errors with the
+# correct file name and line number.
+
+my $prev_linecount = 0;
+my $text =
+ @ARGV
+ ? join("", map { my $x = Text::Template::_load_text($_);
+ if (!defined($x)) {
+ die $Text::Template::ERROR, "\n";
+ }
+ $x = "{- output_reset_on() -}" . $x;
+ my $linecount = $x =~ tr/\n//;
+ $prev_linecount = ($linecount += $prev_linecount);
+ $lines{$linecount} = $_;
+ $x } @ARGV)
+ : join("", <STDIN>);
+
+# Engage! ############################################################
+
+# Load the full template (combination of files) into Text::Template
+# and fill it up with our data. Output goes directly to STDOUT
+
+my $template = OpenSSL::Template->new(TYPE => 'STRING', SOURCE => $text );
+
+sub output_reset_on {
+ $template->output_reset_on();
+ "";
+}
+sub output_on {
+ $template->output_on();
+ "";
+}
+sub output_off {
+ $template->output_off();
+ "";
+}
+
+$template->fill_in(OUTPUT => \*STDOUT,
+ HASH => { config => \%config,
+ target => \%target,
+ disabled => \%disabled,
+ withargs => \%withargs,
+ unified_info => \%unified_info,
+ autowarntext => \@autowarntext,
+ quotify1 => \"ify1,
+ quotify_l => \"ify_l,
+ output_reset_on => \&output_reset_on,
+ output_on => \&output_on,
+ output_off => \&output_off },
+ DELIMITERS => [ "{-", "-}" ],
+ BROKEN => \&broken);
projects / cassiopeia.git / blobdiff