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|
#!/usr/bin/perl
use strict;
use Getopt::Long;
use IO::Compress::Gzip qw(gzip $GzipError);
my $myself = $0;
$myself =~ s|^.*/||;
my $WIDTH = 70;
my $regfunc = undef;
my @includes;
&GetOptions("register-function=s" => \$regfunc,
"include=s" => \@includes,
);
# -----------------------------------------------------------------------------
print "/* Generated by $myself -- do not edit! */\n\n";
print "#include <gnumeric-config.h>\n";
print "#include <gnm-rsm.h>\n\n";
foreach (@includes) {
print "#include \"$_\"\n";
}
my $fileno = 0;
my $reg = "";
my $docompress = 0;
print "void\n";
print "$regfunc (void)\n";
print "{\n";
foreach my $file (@ARGV) {
if ($file eq 'COMPRESS') {
$docompress = 1;
next;
}
if ($file eq 'NOCOMPRESS') {
$docompress = 0;
next;
}
&embed ($file, $docompress);
}
print $reg;
print "}\n";
sub embed {
my ($file, $docompress) = @_;
print " /* Embedded file $file */\n";
my $data;
{
local (*FIL);
local ($/);
$/ = undef;
open (*FIL, "<$file") or die "$myself: cannot read $file: $!\n";
$data = <FIL>;
}
if ($docompress) {
my $zdata;
gzip \$data => \$zdata
or die "gzip failed: $GzipError\n";
$data = $zdata;
}
my $id = "data$fileno";
$fileno++;
&embed_data ($data, $id);
my $len = length ($data);
$reg .= " gnm_rsm_register_file (\"$file\", $id, $len);\n";
}
sub embed_data {
my ($data,$id) = @_;
my $len = length ($data);
if ($len == 0) {
print " static const char ${id}[] = \"\";\n";
return;
}
print " static const char ${id}[] =\n";
my $linelen = 0;
my $nohex = 0;
foreach my $c (split (//, $data)) {
if ($linelen > $WIDTH) {
print "\"\n";
$linelen = 0;
}
if ($linelen == 0) {
print " \"";
$linelen += 5;
}
my $thisnohex = $nohex;
$nohex = 0;
my $ci = ord ($c);
if ($c eq "\n") {
print "\\n";
$linelen += 2;
} elsif ($c eq "\t") {
print "\\t";
$linelen += 2;
} elsif ($c eq '"') {
print "\\\"";
$linelen += 2;
} elsif ($c eq "\\") {
print "\\\\";
$linelen += 2;
} elsif ($ci >= 32 && $ci < 128) {
if ($thisnohex && $c =~ /[a-fA-f0-9]/) {
print "\"\"";
$linelen += 2;
}
print $c;
$linelen += 1;
} else {
printf ("\\x%02x", $ci);
$linelen += 4;
$nohex = 1;
}
}
print "\";\n\n";
}
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