fdo#65108 clean-up headers(global/local) perl script

Change-Id: I5f17a33bcd735b4655d350ce8ec2dd069e215a4b
Reviewed-on: https://gerrit.libreoffice.org/4306Reviewed-by: Noel Power <noel.power@suse.com>
Tested-by: Noel Power <noel.power@suse.com>

solenv/bin/fix-includes.pl

+#!/usr/bin/perl
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+#
+# fix-includes, a simple script replace local includes which should be global
+# , to global includes. And global includes which should be local, to local includes.
+# The script is expected to run in the root of the git repo, so it can fetch all the include directory's.
+#
+use strict;
+use warnings;
+use File::Basename;
+use File::Find;
+use IO::All;
+
+my $dirname = "include";
+
+# Fetch the list of includes
+my @subdirs = map {basename $_} grep {-d} glob("$dirname/*");
+
+# Add boost
+push(@subdirs,"boost");
+
+# Simple function to check and replace headers
+sub check_headers
+{
+  my ($dir,$file, @includes) = @_;
+  open(my $fh,"+<",$file) or die "Couldn't open file $file $!\n";
+  my @content = <$fh>;
+  my $line;
+
+  # seek to the first line, so we can replace then lines correctly
+  seek $fh,0,0;
+  foreach $line (@content){
+    if($line =~ m/#include "(\w*)\//){
+      # If a include is local and it should be global, make it global
+      if($1 ~~ @includes){
+        print "local header $line\n";
+        $line =~ s/"/</;
+        $line =~ s/"/>/;
+        print $fh $line;
+        print "converted to global header $line\n";
+      }
+      else {
+          print $fh $line;
+      }
+    }
+    # If a local file is defined global, make it local
+    elsif($line =~ /#include <((\w*)\.(hxx|h))>/){
+      # check if file exists, then it must be local so replace the <> to ""
+      if(-e "$dir/$1" ){
+        print "global header $line\n";
+        $line =~ s/</"/g;
+        $line =~ s/>/"/g;
+        print $fh $line;
+        print "converted to local header $line\n";
+      }
+      else {
+        print $fh $line;
+      }
+    }
+    else {
+      print $fh $line;
+    }
+  }
+  close($fh);
+}
+
+# routine that checks the headers of every cxx,hxx,c,h file in a directory
+sub check_routine
+{
+  my ($dir) = @_;
+  opendir(my $fh, $dir) or die "Program stopping, could't open directory \n";
+  while(my $file = readdir($fh)){
+    if($file =~ m/\.(cxx|hxx|c|h)$/i ){
+      check_headers($dir,"$dir/$file",@subdirs);
+    }
+  }
+  closedir($fh);
+}
+
+# Expect ARGV[0] to be a directory, then fetch all subdirectory's and check the header files.
+if(-d $ARGV[0]){
+  my @directories = io->dir($ARGV[0])->All_Dirs;
+  foreach my $dir (@directories){
+    print "checking header files in $dir\n";
+    check_routine($dir);
+  }
+}
+else{
+  print "$ARGV[0] isn't a directory\n";
+}