1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
#!/usr/bin/perl
## This file is part of the Petri-nets packages. See file README for
## copyright notice.
use strict;
use Digest::MD5 qw(md5_hex);
use Getopt::Long;
##
## read options
##
Getopt::Long::Configure ("bundling");
my $keep = 0;
my $force = 0;
my $verbose = 0;
GetOptions ("k|keep" => \$keep,
"f|force" => \$force,
"v|verbose" => \$verbose,
"t|test" => \&Test,
"d|delete" => \&Delete,
"b|batch" => \&Batch,
"h|help" => \&Help);
&Help if scalar @ARGV > 1;
##
## Global variables
##
my $figure = shift @ARGV;
my $basename = $figure; $basename =~ s/\.pn$//;
my $jobname = $basename; $jobname =~ s/-fig\d+$//;
my $data = "";
my %sum;
##
## Load checksums
##
if (-f "$jobname.sum") {
open SUM, "$jobname.sum"
or &Error ("could not open $jobname.sum -- $!");
while (<SUM>) {
next unless /^(.+)\s+(.+)$/;
$sum{$1} = $2;
}
close SUM;
}
##
## Get preamble
##
if (-f "$jobname.pre") {
# read the existing preamble
my @lines;
open PRE, "$jobname.pre"
or &Error ("could not open $jobname.sum -- $!");
@lines = <PRE>;
close PRE;
$data .= join "", @lines;
} else {
# create a new preamble
open TEX, "$jobname.tex"
or &Error ("could not open $jobname.tex -- $!");
while (<TEX>) {
$data .= $_;
last if /\\begin\{document\}/;
}
close TEX;
$data =~ s/(\\begin\{document\}).*$/$1\n/;
$data .= "\\pagestyle\{empty\}\n";
# save it
open PRE, ">$jobname.pre"
or &Error ("could not create $jobname.sum -- $!");
print PRE $data;
close PRE;
}
##
## Read the figure
##
{
my $pre = 1;
open TEX, $figure or &Error ("could not open $figure -- $!");
open PRE, ">>$jobname.pre"
or &Error ("could not append $jobname.pre -- $!");
while (<TEX>) {
$pre = 0 if /^\\begin\{petrinet\}/;
print PRE if $pre;
$data .= $_;
}
close TEX;
close PRE;
}
##
## Generate the EPDF
##
if (&SumChanged ($figure, "$data") or $force or (! -f "$basename.pdf")) {
open TEX, ">$basename.tex"
or &Error ("could not create file $basename.tex -- $!\n");
print TEX "$data\\end\{document\}\n";
close TEX;
system "latex", "$basename.tex";
system "dvips", "-E", "-Ppdf", "-o", "$basename.eps", "$basename";
system "epstopdf", "$basename.eps";
}
unlink ("$basename.tex", "$basename.log", "$basename.aux",
"$basename.dvi", "$basename.eps", "$basename.pn") unless $keep;
##
## Save checksums
##
open SUM, ">$jobname.sum"
or die "pn2pdf: could not create file $jobname.sum -- $!\n";
foreach my $file (sort keys %sum) {
print SUM "$file $sum{$file}\n";
}
close SUM;
exit 0;
##
## Sub programs
##
sub Help {
print <<"EOF";
Usage: pn2pdf [OPTIONS]
Create EPDF files for Petri net figures.
FIGURE process FIGURE
-b, --batch FILE process the commands in FILE
-k, --keep keep temporary files
-f, --force force the rendering of all pictures
-t, --test FILES create FILES for test purpose
-d, --delete FILES delete FILES (may be patterns)
-h, --help display this help and exit
Report bugs to <pommereau\@univ-paris12.fr>
EOF
exit 0; }
sub Error {
foreach my $line (@_) {
warn "pn2pdf: $line\n";
}
exit 1;
}
sub Verbose {
return unless $verbose;
foreach my $line (@_) {
warn "[pn2pdf] $line\n";
}
}
sub SumChanged {
my ($file, $lines) = @_;
my $md5 = md5_hex ($lines);
if ($md5 eq $sum{$file}) {
return 0;
} else {
$sum{$file} = $md5;
return 1;
}
}
sub Test {
foreach my $file (@ARGV) {
open FILE, ">$file" or &Error ("could not create $file -- $!");
close FILE;
}
exit 0;
}
sub Delete {
foreach my $pattern (@ARGV) {
unlink glob $pattern unless $keep;
}
exit 0;
}
sub Batch {
my @lines;
foreach my $file (@ARGV) {
$file =~ s/(\.[a-z]{3})?$/.bpn/i;
open FILE, $file or &Error ("could not open $file -- $!");
while (<FILE>) {
next unless /^pn2pdf\s/;
s/^pn2pdf\s/pn2pdf --keep / if $keep;
s/^pn2pdf\s/pn2pdf --force / if $force;
s/^pn2pdf\s/pn2pdf --verbose / if $verbose;
push @lines, $_;
}
close FILE;
}
foreach (@lines) {
system $_;
}
exit 0;
}
|
