#!/usr/bin/perl
# woj.pl

## Licensed under the standard BSD license:

# Copyright (c) 2011 CrossWire Bible Society <http://www.crosswire.org/>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
#        notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in
#       the documentation and/or other materials provided with the
#       distribution.
#     * Neither the name of the CrossWire Bible Society nor the names of
#       its contributors may be used to endorse or promote products
#       derived from this software without specific prior written
#       permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

## For general inquiries, comments, suggestions, bug reports, etc. email:
## sword-support@crosswire.org

#########################################################################

use XML::LibXML;
use Locale::Language;

## Obtain arguments
if (scalar(@ARGV) < 1) {
    print "\nwoj.pl <OSIS File> [-o outputfile]  -- - create list of Word of Jesus quotes\n";
    print "- Arguments in braces < > are required. Arguments in brackets [ ] are optional.\n";
    print "- If no -o option is specified the output will go to <STDOUT>\n";
    exit (-1);
}

my $file = @ARGV[0];
my $outputFilename;

if (@ARGV[1] eq "-o") {
    $outputFilename = "@ARGV[2]";
    open (OUTF, , ">:utf8", "$outputFilename") or die "Could not open file @ARGV[2] for writing.";
    select(OUTF);
}


my $parser = XML::LibXML->new();
my $bible = $parser->parse_file($file);
my $xpc = XML::LibXML::XPathContext->new($bible);

my @lang = $xpc->findnodes('//@xml:lang');
if (@lang>0) { $language = lc( code2language($lang[0]->textContent()) );}
else { $language = "english"}

#$xpc->registerNs('x','http://www.bibletechnologies.net/2003/OSIS/namespace');

# Ok, I do not understand that namespace business. When I use an OSIS XML file to work upon
# I delete the name space info from its original first XML line - and then things work fine.
 
# If you can correct my code or advice me what to do better, please do so.
@module = $xpc->findnodes('//work/@osisWork');

print "<?xml version=\"1.0\"?>\n<quotations>\n";
print "<source>This file was derrived from the OSIS XML source file of the ".$module[0]->textContent()." CrossWire module on ".scalar localtime()."</source>";



@verses = $xpc->findnodes('//verse[q[@who="Jesus"]]');

foreach $verse(@verses) {
     
  my @versebits = $verse->findnodes('q[@who="Jesus"]');
    
  if (@versebits>0) {
    my $several = "FALSE";
    my $complete = "FALSE";
    my $begin = "FALSE";
    my $end = "FALSE";
    my $id = $verse->getAttribute("osisID");

    if (@versebits>1) 
      {
        $several="TRUE";
      }
      
    if (($several eq "FALSE") && (@versebits[0]->isEqual($verse->firstChild())) && 
        ($verse->firstChild()->isEqual($verse->lastChild()))) 
        {
          $complete = "TRUE";
        }
    if (($complete eq "FALSE") && (@versebits[0]->isEqual($verse->firstChild())))
        {  
          $begin = "TRUE";
        }
        
     if (($complete eq "FALSE") && (@versebits[@versebits-1]->isEqual($verse->lastChild()))) 
       {
          $end="TRUE"; 
       }
       
    print "\t<verse osisID=\"".$id."\"";
    if ($several eq "TRUE") {print " several=\"true\"";}
    if ($complete eq "TRUE") {print " complete=\"true\"";}
    if ($begin eq "TRUE") {print " begin=\"true\"";}
    if ($end eq "TRUE") {print " end=\"true\"";}
    print ">\n";
    
    foreach $v(@versebits) {
      print "<$language>".$v->textContent()."</$language>";
      @w=$v->findnodes('w/@lemma');
      print "<strongs>";
      foreach $w(@w) {print $w->toString()};
      print "</strongs>";
    }
    
    
    
    print "</verse>\n";  
  } 
}
print "</quotations>\n";