| #!/usr/bin/env perl |
| #*************************************************************************** |
| # _ _ ____ _ |
| # Project ___| | | | _ \| | |
| # / __| | | | |_) | | |
| # | (__| |_| | _ <| |___ |
| # \___|\___/|_| \_\_____| |
| # |
| # Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. |
| # |
| # This software is licensed as described in the file COPYING, which |
| # you should have received as part of this distribution. The terms |
| # are also available at https://curl.se/docs/copyright.html. |
| # |
| # You may opt to use, copy, modify, merge, publish, distribute and/or sell |
| # copies of the Software, and permit persons to whom the Software is |
| # furnished to do so, under the terms of the COPYING file. |
| # |
| # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| # KIND, either express or implied. |
| # |
| # SPDX-License-Identifier: curl |
| # |
| ########################################################################### |
| |
| # 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: |
| |
| if($ARGV[0] eq "-c") { |
| $c=1; |
| shift @ARGV; |
| } |
| |
| push @out, " _ _ ____ _\n"; |
| push @out, " Project ___| | | | _ \\| |\n"; |
| push @out, " / __| | | | |_) | |\n"; |
| push @out, " | (__| |_| | _ <| |___\n"; |
| push @out, " \\___|\\___/|_| \\_\\_____|\n"; |
| |
| my $olen=0; |
| while (<STDIN>) { |
| my $line = $_; |
| |
| # this should be removed: |
| $line =~ s/(.|_)//g; |
| |
| # remove trailing CR from line. msysgit checks out files as line+CRLF |
| $line =~ s/\r$//; |
| |
| if($line =~ /^([ \t]*\n|curl)/i) { |
| # cut off headers and empty lines |
| $wline++; # count number of cut off lines |
| next; |
| } |
| |
| my $text = $line; |
| $text =~ s/^\s+//g; # cut off preceding... |
| $text =~ s/\s+$//g; # and trailing whitespaces |
| |
| $tlen = length($text); |
| |
| if($wline && ($olen == $tlen)) { |
| # if the previous line with contents was exactly as long as |
| # this line, then we ignore the newlines! |
| |
| # We do this magic because a header may abort a paragraph at |
| # any line, but we don't want that to be noticed in the output |
| # here |
| $wline=0; |
| } |
| $olen = $tlen; |
| |
| if($wline) { |
| # we only make one empty line max |
| $wline = 0; |
| push @out, "\n"; |
| } |
| push @out, $line; |
| } |
| push @out, "\n"; # just an extra newline |
| |
| print <<HEAD |
| /* |
| * NEVER EVER edit this manually, fix the mkhelp.pl script instead! |
| */ |
| #ifdef USE_MANUAL |
| #include "tool_hugehelp.h" |
| HEAD |
| ; |
| if($c) { |
| # If compression requested, check that the Gzip module is available |
| # or else disable compression |
| $c = eval |
| { |
| require IO::Compress::Gzip; |
| IO::Compress::Gzip->import(); |
| 1; |
| }; |
| print STDERR "Warning: compression requested but Gzip is not available\n" if (!$c) |
| } |
| |
| if($c) |
| { |
| my $content = join("", @out); |
| my $gzippedContent; |
| IO::Compress::Gzip::gzip( |
| \$content, \$gzippedContent, Level => 9, TextFlag => 1, Time=>0) or die "gzip failed:"; |
| $gzip = length($content); |
| $gzipped = length($gzippedContent); |
| |
| print <<HEAD |
| #include <zlib.h> |
| #include "memdebug.h" /* keep this as LAST include */ |
| static const unsigned char hugehelpgz[] = { |
| /* This mumbo-jumbo is the huge help text compressed with gzip. |
| Thanks to this operation, the size of this data shrank from $gzip |
| to $gzipped bytes. You can disable the use of compressed help |
| texts by NOT passing -c to the mkhelp.pl tool. */ |
| HEAD |
| ; |
| |
| my $c=0; |
| print " "; |
| for(split(//, $gzippedContent)) { |
| my $num=ord($_); |
| printf(" 0x%02x,", 0+$num); |
| if(!(++$c % 12)) { |
| print "\n "; |
| } |
| } |
| print "\n};\n"; |
| |
| print <<EOF |
| #define BUF_SIZE 0x10000 |
| static voidpf zalloc_func(voidpf opaque, unsigned int items, unsigned int size) |
| { |
| (void) opaque; |
| /* not a typo, keep it calloc() */ |
| return (voidpf) calloc(items, size); |
| } |
| static void zfree_func(voidpf opaque, voidpf ptr) |
| { |
| (void) opaque; |
| free(ptr); |
| } |
| /* Decompress and send to stdout a gzip-compressed buffer */ |
| void hugehelp(void) |
| { |
| unsigned char* buf; |
| int status,headerlen; |
| z_stream z; |
| |
| /* Make sure no gzip options are set */ |
| if (hugehelpgz[3] & 0xfe) |
| return; |
| |
| headerlen = 10; |
| memset(&z, 0, sizeof(z_stream)); |
| z.zalloc = (alloc_func)zalloc_func; |
| z.zfree = (free_func)zfree_func; |
| z.avail_in = (unsigned int)(sizeof(hugehelpgz) - headerlen); |
| z.next_in = (unsigned char *)hugehelpgz + headerlen; |
| |
| if (inflateInit2(&z, -MAX_WBITS) != Z_OK) |
| return; |
| |
| buf = malloc(BUF_SIZE); |
| if (buf) { |
| while(1) { |
| z.avail_out = BUF_SIZE; |
| z.next_out = buf; |
| status = inflate(&z, Z_SYNC_FLUSH); |
| if (status == Z_OK || status == Z_STREAM_END) { |
| fwrite(buf, BUF_SIZE - z.avail_out, 1, stdout); |
| if (status == Z_STREAM_END) |
| break; |
| } |
| else |
| break; /* Error */ |
| } |
| free(buf); |
| } |
| inflateEnd(&z); |
| } |
| EOF |
| ; |
| foot(); |
| 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"; |
| |
| foot(); |
| |
| sub foot { |
| print <<FOOT |
| #endif /* USE_MANUAL */ |
| FOOT |
| ; |
| } |