1
0
mirror of https://github.com/moparisthebest/curl synced 2024-11-07 18:15:04 -05:00
curl/src/mkhelp.pl
Daniel Stenberg 9c7703ace1 Based on Dan Fandrich's patch and gzip unpack function, we now compress
the 'hugehelp' text if libz and gzip are available at build time.
2003-06-12 12:54:34 +00:00

188 lines
3.8 KiB
Perl
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/usr/local/bin/perl
# Yeah, I know, probably 1000 other persons already wrote a script like
# this, but I'll tell ya:
# THEY DON'T FIT ME :-)
# Get readme file as parameter:
my $README = $ARGV[0];
if($README eq "") {
print "usage: mkreadme.pl [-c] <README> < manpage\n";
exit;
}
push @out, " _ _ ____ _ \n";
push @out, " Project ___| | | | _ \\| | \n";
push @out, " / __| | | | |_) | | \n";
push @out, " | (__| |_| | _ <| |___ \n";
push @out, " \\___|\\___/|_| \\_\\_____|\n";
my $head=0;
while (<STDIN>) {
$line = $_;
# this kind should be removed first:
$line =~ s/_//g;
# then this:
$line =~ s/.//g;
if($line =~ /^curl/i) {
# cut off the page headers
$head=1;
next;
}
if($line =~ /^[ \t]*\n/) {
$wline++;
# we only make one empty line max
next;
}
if($wline) {
$wline = 0;
if(!$head) {
push @out, "\n";
}
$head =0;
}
push @out, $line;
}
push @out, "\n"; # just an extra newline
open(READ, "<$README") ||
die "couldn't read the README infile $README";
while(<READ>) {
push @out, $_;
}
close(READ);
# if compressed
if($c) {
my @test = `gzip --version 2>&1`;
if($test[0] =~ /gzip/) {
open(GZIP, "|gzip -9 >dumpit.gz");
binmode GZIP;
for(@out) {
print GZIP $_;
$gzip += length($_);
}
close(GZIP);
open(GZIP, "<dumpit.gz");
binmode GZIP;
while(<GZIP>) {
push @gzip, $_;
$gzipped += length($_);
}
close(GZIP);
}
else {
# no gzip, no compression!
undef $c;
print STDERR "MEEEP: Couldn't find gzip, disable compression\n";
}
}
$now = localtime;
print <<HEAD
/*
* NEVER EVER edit this manually, fix the mkhelp.pl script instead!
* Generation time: $now
*/
#include <stdio.h>
HEAD
;
if($c) {
print "/* gzip shrunk this data from $gzip to $gzipped bytes */\n",
"#include <zlib.h>\nstatic const unsigned char hugehelpgz[] = {\n ";
my $c=0;
for(@gzip) {
my @all=split(//, $_);
for(@all) {
my $num=ord($_);
printf("0x%02x, ", 0+$num);
if(++$c>11) {
print "\n ";
$c=0;
}
}
}
print "\n};\n";
print <<EOF
/* Decompress and send to stdout a gzip-compressed buffer */
void hugehelp(void)
{
unsigned char buf[0x10000];
int status,headerlen;
z_stream z;
/* Make sure no gzip options are set */
if (hugehelpgz[3] & 0xfe)
return;
headerlen = 10;
z.avail_in = sizeof(hugehelpgz) - headerlen;
z.next_in = (unsigned char *)hugehelpgz + headerlen;
z.zalloc = (alloc_func)Z_NULL;
z.zfree = (free_func)Z_NULL;
z.opaque = 0;
if (inflateInit2(&z, -MAX_WBITS) != Z_OK)
return;
for (;;) {
z.avail_out = (int)sizeof(buf);
z.next_out = buf;
status = inflate(&z, Z_SYNC_FLUSH);
if (status == Z_OK || status == Z_STREAM_END) {
fwrite(buf, sizeof(buf) - z.avail_out, 1, stdout);
if (status == Z_STREAM_END)
break;
} else
break; /* Error */
}
inflateEnd(&z);
}
EOF
;
exit;
}
else {
print <<HEAD
void hugehelp(void)
{
fputs(
HEAD
;
}
$outsize=0;
for(@out) {
chop;
$new = $_;
$outsize += length($new)+1; # one for the newline
$new =~ s/\\/\\\\/g;
$new =~ s/\"/\\\"/g;
# gcc 2.96 claims ISO C89 only is required to support 509 letter strings
if($outsize > 500) {
# terminate and make another fputs() call here
print ", stdout);\n fputs(\n";
$outsize=length($new)+1;
}
printf("\"%s\\n\"\n", $new);
}
print ", stdout) ;\n}\n"