# = HISTORY SECTION =====================================================================

# ---------------------------------------------------------------------------------------
# version | date     | author   | changes
# ---------------------------------------------------------------------------------------
# 0.02    |< 14.04.02| JSTENZEL | adapted to headline shortcuts;
#         |15.04.2002| JSTENZEL | adapted to chapter docstream hints;
# 0.01    |16.08.2001| JSTENZEL | new.
# ---------------------------------------------------------------------------------------

# PerlPoint test script


# pragmata
use strict;

# load modules
use Carp;
use Test::More qw(no_plan);
use PerlPoint::Backend 0.10;
use PerlPoint::Parser 0.36;
use PerlPoint::Constants 0.15 qw(:DEFAULT :stream);

# declare variables
my (@streamData, @results, $toggle);

# build parser
my ($parser)=new PerlPoint::Parser;

# and call it
$parser->run(
             stream  => \@streamData,
             files   => ['t/backend-modes.pp'],
             safe    => undef,
             trace   => TRACE_NOTHING,
             display => DISPLAY_NOINFO+DISPLAY_NOWARN,
            );

# build a backend
my $backend=new PerlPoint::Backend(
                                   name    => 'installation test: backend modes',
                                   trace   => TRACE_NOTHING,
                                   display => DISPLAY_NOINFO,
                                  );

# register a complete set of backend handlers
$backend->register($_, \&handler) foreach (
                                           DIRECTIVE_BLOCK,
                                           DIRECTIVE_COMMENT,
                                           DIRECTIVE_DOCUMENT,
                                           DIRECTIVE_DPOINT,
                                           DIRECTIVE_HEADLINE,
                                           DIRECTIVE_LIST_LSHIFT,
                                           DIRECTIVE_LIST_RSHIFT,
                                           DIRECTIVE_OPOINT,
                                           DIRECTIVE_TAG,
                                           DIRECTIVE_TEXT,
                                           DIRECTIVE_UPOINT,
                                           DIRECTIVE_VERBATIM,
                                           DIRECTIVE_SIMPLE,
                                          );

# check number of headlines
$backend->bind(\@streamData);
is($backend->headlineNr, 3);

# now run the backend
$backend->run(\@streamData);

# perform checks: 1st turn (token mode)
is(shift(@results), $_) foreach (DIRECTIVE_DOCUMENT, DIRECTIVE_START, 'backend-modes.pp');

is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_START, 1, 'A new chapter', '');
{
 my $docstreams=shift(@results);
 is(ref($docstreams), 'ARRAY');
 is(join(' ', @$docstreams), '');
}
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'A new chapter');
is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_COMPLETE, 1);

is(shift(@results), $_) foreach (DIRECTIVE_TEXT, DIRECTIVE_START);
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'It comes with text.');
is(shift(@results), $_) foreach (DIRECTIVE_TEXT, DIRECTIVE_COMPLETE);

is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_START, 2, 'And a subchapter', '');
{
 my $docstreams=shift(@results);
 is(ref($docstreams), 'ARRAY');
 is(join(' ', @$docstreams), '');
}
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'And a subchapter');
is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_COMPLETE, 2);

is(shift(@results), $_) foreach (DIRECTIVE_TEXT, DIRECTIVE_START);
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'with more text.');
is(shift(@results), $_) foreach (DIRECTIVE_TEXT, DIRECTIVE_COMPLETE);

is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_START, 1, 'OK for today', '');
{
 my $docstreams=shift(@results);
 is(ref($docstreams), 'ARRAY');
 is(join(' ', @$docstreams), '');
}
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'OK for today');
is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_COMPLETE, 1);

is(shift(@results), $_) foreach (DIRECTIVE_TEXT, DIRECTIVE_START);
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'This might be sufficient.');
is(shift(@results), $_) foreach (DIRECTIVE_TEXT, DIRECTIVE_COMPLETE);

is(shift(@results), $_) foreach (DIRECTIVE_DOCUMENT, DIRECTIVE_COMPLETE, 'backend-modes.pp');

# rerun backend in headline mode
$backend->mode(STREAM_HEADLINES);
$backend->run(\@streamData);

# 2nd turn perform headline mode tests
is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_START, 1, 'A new chapter', '');
{
 my $docstreams=shift(@results);
 is(ref($docstreams), 'ARRAY');
 is(join(' ', @$docstreams), '');
}
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'A new chapter');
is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_COMPLETE, 1);

is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_START, 2, 'And a subchapter', '');
{
 my $docstreams=shift(@results);
 is(ref($docstreams), 'ARRAY');
 is(join(' ', @$docstreams), '');
}
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'And a subchapter');
is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_COMPLETE, 2);

is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_START, 1, 'OK for today', '');
{
 my $docstreams=shift(@results);
 is(ref($docstreams), 'ARRAY');
 is(join(' ', @$docstreams), '');
}
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'OK for today');
is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_COMPLETE, 1);

# rerun backend in token mode, but with a handler which switches the
# mode while the stream is processed (right after each headline)
$toggle=STREAM_HEADLINES;
$backend->mode(STREAM_TOKENS);
$backend->run(\@streamData);

# perform checks: 3rd turn (mixed mode)
is(shift(@results), $_) foreach (DIRECTIVE_DOCUMENT, DIRECTIVE_START, 'backend-modes.pp');

is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_START, 1, 'A new chapter', '');
{
 my $docstreams=shift(@results);
 is(ref($docstreams), 'ARRAY');
 is(join(' ', @$docstreams), '');
}
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'A new chapter');
is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_COMPLETE, 1);

is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_START, 2, 'And a subchapter', '');
{
 my $docstreams=shift(@results);
 is(ref($docstreams), 'ARRAY');
 is(join(' ', @$docstreams), '');
}
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'And a subchapter');
is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_COMPLETE, 2);

is(shift(@results), $_) foreach (DIRECTIVE_TEXT, DIRECTIVE_START);
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'with more text.');
is(shift(@results), $_) foreach (DIRECTIVE_TEXT, DIRECTIVE_COMPLETE);

is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_START, 1, 'OK for today', '');
{
 my $docstreams=shift(@results);
 is(ref($docstreams), 'ARRAY');
 is(join(' ', @$docstreams), '');
}
is(shift(@results), $_) foreach (DIRECTIVE_SIMPLE, DIRECTIVE_START, 'OK for today');
is(shift(@results), $_) foreach (DIRECTIVE_HEADLINE, DIRECTIVE_COMPLETE, 1);

# results should be checked completely now
is(scalar(@results), 0);




# SUBROUTINES ###############################################################################

# headline handler: store what you found
sub handler
 {
  # simply store what you received
  push(@results, @_);

  # switch backend mode after a headline, if necessary
  if (defined($toggle) and $_[0]==DIRECTIVE_HEADLINE and $_[1]==DIRECTIVE_COMPLETE)
    {
     $backend->mode($toggle);
     $toggle=($toggle==STREAM_HEADLINES) ? STREAM_TOKENS : STREAM_HEADLINES;
    }
 }