#!/usr/bin/perl -w
# NAME: cppextract.pl
# AIM: VERY SPECIFIC
use strict;
use warnings;
use File::Basename; # split path ($name,$dir,$ext) = fileparse($file [, qr/\.[^.]*/] )
use Cwd;
my $os = $^O;
my $perl_dir = '/home/geoff/bin';
my $PATH_SEP = '/';
my $temp_dir = '/tmp';
if ($os =~ /win/i) {
$perl_dir = 'C:\GTools\perl';
$temp_dir = $perl_dir;
$PATH_SEP = "\\";
}
unshift(@INC, $perl_dir);
require 'lib_utils.pl' or die "Unable to load 'lib_utils.pl' Check paths in \@INC...\n";
# log file stuff
our ($LF);
my $pgmname = $0;
if ($pgmname =~ /(\\|\/)/) {
my @tmpsp = split(/(\\|\/)/,$pgmname);
$pgmname = $tmpsp[-1];
}
my $outfile = $temp_dir.$PATH_SEP."temp.$pgmname.txt";
open_log($outfile);
# user variables
my $VERS = "0.0.5 2016-06-22";
my $load_log = 0;
my $in_file = '';
my $verbosity = 0;
my $out_file = $temp_dir.$PATH_SEP."temphtml.htm";
# ### DEBUG ###
my $debug_on = 1;
my $def_file = 'F:\Projects\polyView2D\gui\documentation.cpp';
### program variables
my @warnings = ();
my $cwd = cwd();
sub VERB1() { return $verbosity >= 1; }
sub VERB2() { return $verbosity >= 2; }
sub VERB5() { return $verbosity >= 5; }
sub VERB9() { return $verbosity >= 9; }
sub show_warnings($) {
my ($val) = @_;
if (@warnings) {
prt( "\nGot ".scalar @warnings." WARNINGS...\n" );
foreach my $itm (@warnings) {
prt("$itm\n");
}
prt("\n");
} else {
prt( "\nNo warnings issued.\n\n" ) if (VERB9());
}
}
sub pgm_exit($$) {
my ($val,$msg) = @_;
if (length($msg)) {
$msg .= "\n" if (!($msg =~ /\n$/));
prt($msg);
}
show_warnings($val);
close_log($outfile,$load_log);
exit($val);
}
sub prtw($) {
my ($tx) = shift;
$tx =~ s/\n$//;
prt("$tx\n");
push(@warnings,$tx);
}
sub get_html($) {
my $line = shift;
my $len = length($line);
my ($i,$ch,$pc,$i2,$nc);
my $h = '';
$ch = '';
my $inquot = 0;
my $inquotes = 0;
for ($i = 0; $i < $len; $i++) {
$i2 = $i + 1;
$pc = $ch;
$ch = substr($line,$i,1);
if ($ch eq "\\") {
if ($i2 < $len) {
$nc = substr($line,$i2,1);
if ($nc eq 'n') {
$ch = "\n";
$i++;
} elsif ($nc eq '"') {
$ch = $nc;
if ($inquot) {
$inquot = 1;
} else {
$inquot = 0;
}
$i++;
} else {
pgm_exit(1,"Escaped '$nc' not handled - fix me...\n");
}
}
} elsif ($ch eq '"') {
if ($inquotes) {
$inquotes = 0;
} else {
$inquotes = 1;
}
$ch = '';
}
$h .= $ch;
}
return $h;
}
# looking for 'char docText[] ="
;
close INF;
my $lncnt = scalar @lines;
prt("Processing $lncnt lines, from [$inf]...\n");
my ($line,$inc,$lnn,$tline,$len,$tmp);
$lnn = 0;
my $intxt = 0;
my $html = '';
foreach $line (@lines) {
chomp $line;
$lnn++;
$tline = trim_all($line);
$len = length($tline);
next if ($len == 0);
if ($line =~ /\s*#\s*include\s+(.+)$/) {
$inc = $1;
prt("$lnn: $inc\n") if (VERB9());
} elsif ($line =~ /char\s+docText\[\]\s*=\s*/) {
$line =~ s/char\s+docText\[\]\s*=\s*//;
$html .= get_html($line);
prt("Found $line\n");
prt("Found $html\n");
$intxt = 1;
} elsif ($intxt) {
$tmp = get_html($line);
prt("$lnn: $tmp\n") if (VERB5());
if ($tline =~ /;$/) {
$intxt = 0;
prt("$lnn: Ended text $tline\n");
$tmp = trim_all($tmp);
$tmp =~ s/;$//; # remove trailing semi-colon
}
$html .= $tmp;
}
}
$len = length($html);
if ($len) {
$html .= "\n";
write2file($html,$out_file);
prt("HTML written to $out_file, $len bytes...\n");
} else {
prt("No HTML found in file...\n");
}
}
#########################################
### MAIN ###
parse_args(@ARGV);
process_in_file($in_file);
pgm_exit(0,"");
########################################
sub need_arg {
my ($arg,@av) = @_;
pgm_exit(1,"ERROR: [$arg] must have a following argument!\n") if (!@av);
}
sub parse_args {
my (@av) = @_;
my ($arg,$sarg);
my $verb = VERB2();
while (@av) {
$arg = $av[0];
if ($arg =~ /^-/) {
$sarg = substr($arg,1);
$sarg = substr($sarg,1) while ($sarg =~ /^-/);
if (($sarg =~ /^h/i)||($sarg eq '?')) {
give_help();
pgm_exit(0,"Help exit(0)");
} elsif ($sarg =~ /^v/) {
if ($sarg =~ /^v.*(\d+)$/) {
$verbosity = $1;
} else {
while ($sarg =~ /^v/) {
$verbosity++;
$sarg = substr($sarg,1);
}
}
$verb = VERB2();
prt("Verbosity = $verbosity\n") if ($verb);
} elsif ($sarg =~ /^l/) {
if ($sarg =~ /^ll/) {
$load_log = 2;
} else {
$load_log = 1;
}
prt("Set to load log at end. ($load_log)\n") if ($verb);
} elsif ($sarg =~ /^o/) {
need_arg(@av);
shift @av;
$sarg = $av[0];
$out_file = $sarg;
prt("Set out file to [$out_file].\n") if ($verb);
} else {
pgm_exit(1,"ERROR: Invalid argument [$arg]! Try -?\n");
}
} else {
$in_file = $arg;
prt("Set input to [$in_file]\n") if ($verb);
}
shift @av;
}
if ($debug_on) {
prtw("WARNING: DEBUG is ON!\n");
if (length($in_file) == 0) {
$in_file = $def_file;
prt("Set DEFAULT input to [$in_file]\n");
}
}
if (length($in_file) == 0) {
pgm_exit(1,"ERROR: No input files found in command!\n");
}
if (! -f $in_file) {
pgm_exit(1,"ERROR: Unable to find in file [$in_file]! Check name, location...\n");
}
}
sub give_help {
prt("$pgmname: version $VERS\n");
prt("Usage: $pgmname [options] in-file\n");
prt("Options:\n");
prt(" --help (-h or -?) = This help, and exit 0.\n");
prt(" --verb[n] (-v) = Bump [or set] verbosity. def=$verbosity\n");
prt(" --load (-l) = Load LOG at end. ($outfile)\n");
prt(" --out (-o) = Write output to this file.\n");
}
# eof - template.pl