233 lines
4.9 KiB
Perl
233 lines
4.9 KiB
Perl
#!/usr/local/bin/perl
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# Yeah, I know, probably 1000 other persons already wrote a script like
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# this, but I'll tell ya:
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# THEY DON'T FIT ME :-)
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# Get readme file as parameter:
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if($ARGV[0] eq "-c") {
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$c=1;
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shift @ARGV;
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}
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my $README = $ARGV[0];
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if($README eq "") {
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print "usage: mkreadme.pl [-c] <README> < manpage\n";
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exit;
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}
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push @out, " _ _ ____ _ \n";
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push @out, " Project ___| | | | _ \\| | \n";
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push @out, " / __| | | | |_) | | \n";
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push @out, " | (__| |_| | _ <| |___ \n";
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push @out, " \\___|\\___/|_| \\_\\_____|\n";
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my $olen=0;
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while (<STDIN>) {
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my $line = $_;
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# this should be removed:
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$line =~ s/(.|_)//g;
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if($line =~ /^([ \t]*\n|curl)/i) {
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# cut off headers and empty lines
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$wline++; # count number of cut off lines
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next;
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}
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my $text = $line;
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$text =~ s/^\s+//g; # cut off preceeding...
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$text =~ s/\s+$//g; # and trailing whitespaces
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$tlen = length($text);
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if($wline && ($olen == $tlen)) {
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# if the previous line with contents was exactly as long as
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# this line, then we ignore the newlines!
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# We do this magic because a header may abort a paragraph at
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# any line, but we don't want that to be noticed in the output
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# here
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$wline=0;
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}
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$olen = $tlen;
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if($wline) {
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# we only make one empty line max
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$wline = 0;
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push @out, "\n";
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}
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push @out, $line;
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}
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push @out, "\n"; # just an extra newline
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open(READ, "<$README") ||
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die "couldn't read the README infile $README";
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while(<READ>) {
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push @out, $_;
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}
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close(READ);
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# if compressed
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if($c) {
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my @test = `gzip --version 2>&1`;
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if($test[0] =~ /gzip/) {
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open(GZIP, ">dumpit") ||
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die "can't create the dumpit file, try without -c";
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binmode GZIP;
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for(@out) {
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print GZIP $_;
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$gzip += length($_);
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}
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close(GZIP);
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system("gzip --best --no-name dumpit");
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open(GZIP, "<dumpit.gz") ||
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die "can't read the dumpit.gz file, try without -c";
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binmode GZIP;
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while(<GZIP>) {
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push @gzip, $_;
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$gzipped += length($_);
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}
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close(GZIP);
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unlink("dumpit.gz");
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}
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else {
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# no gzip, no compression!
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undef $c;
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print STDERR "MEEEP: Couldn't find gzip, disable compression\n";
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}
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}
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$now = localtime;
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print <<HEAD
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/*
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* NEVER EVER edit this manually, fix the mkhelp.pl script instead!
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* Generation time: $now
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*/
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#include "setup.h"
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#ifdef USE_MANUAL
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#include "hugehelp.h"
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#include <stdio.h>
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HEAD
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;
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if($c) {
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print <<HEAD
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#include <stdlib.h>
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#include <zlib.h>
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static const unsigned char hugehelpgz[] = {
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/* This mumbo-jumbo is the huge help text compressed with gzip.
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Thanks to this operation, the size of this data shrunk from $gzip
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to $gzipped bytes. You can disable the use of compressed help
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texts by NOT passing -c to the mkhelp.pl tool. */
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HEAD
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;
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my $c=0;
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print " ";
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for(@gzip) {
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my @all=split(//, $_);
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for(@all) {
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my $num=ord($_);
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printf(" 0x%02x,", 0+$num);
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if(++$c>11) {
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print "\n ";
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$c=0;
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}
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}
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}
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print "\n};\n";
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print <<EOF
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#define BUF_SIZE 0x10000
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/* Decompress and send to stdout a gzip-compressed buffer */
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void hugehelp(void)
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{
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unsigned char* buf;
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int status,headerlen;
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z_stream z;
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/* Make sure no gzip options are set */
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if (hugehelpgz[3] & 0xfe)
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return;
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headerlen = 10;
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z.avail_in = (unsigned int)(sizeof(hugehelpgz) - headerlen);
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z.next_in = (unsigned char *)hugehelpgz + headerlen;
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z.zalloc = (alloc_func)Z_NULL;
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z.zfree = (free_func)Z_NULL;
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z.opaque = 0;
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if (inflateInit2(&z, -MAX_WBITS) != Z_OK)
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return;
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buf = malloc(BUF_SIZE);
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if (buf) {
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while(1) {
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z.avail_out = BUF_SIZE;
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z.next_out = buf;
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status = inflate(&z, Z_SYNC_FLUSH);
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if (status == Z_OK || status == Z_STREAM_END) {
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fwrite(buf, BUF_SIZE - z.avail_out, 1, stdout);
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if (status == Z_STREAM_END)
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break;
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}
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else
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break; /* Error */
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}
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free(buf);
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}
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inflateEnd(&z);
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}
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EOF
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;
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foot();
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exit;
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}
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else {
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print <<HEAD
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void hugehelp(void)
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{
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fputs(
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HEAD
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;
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}
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$outsize=0;
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for(@out) {
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chop;
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$new = $_;
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$outsize += length($new)+1; # one for the newline
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$new =~ s/\\/\\\\/g;
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$new =~ s/\"/\\\"/g;
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# gcc 2.96 claims ISO C89 only is required to support 509 letter strings
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if($outsize > 500) {
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# terminate and make another fputs() call here
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print ", stdout);\n fputs(\n";
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$outsize=length($new)+1;
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}
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printf("\"%s\\n\"\n", $new);
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}
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print ", stdout) ;\n}\n";
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foot();
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sub foot {
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print <<FOOT
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#endif /* USE_MANUAL */
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FOOT
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;
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}
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