# $Id$
#
# >>Title::     Miscellaneous Module
#
# >>Copyright::
# Copyright (c) 1992-1996, Ian Clatworthy (ianc@mincom.com).
# You may distribute under the terms specified in the LICENSE file.
#
# >>History::
# -----------------------------------------------------------------------
# Date      Who     Change
# 02-Apr-96 tjh     SDF 2.000
# -----------------------------------------------------------------------
#
# >>Purpose::
#
# >>Description::
#
# >>Limitations::
#

!define TEST "0"

# backwards compatible stuff to get things going quickly!
!define SQUISH_ON  "squish on"
!define SQUISH_OFF "squish off"
!define KEEP_ON    "keep on"
!define KEEP_OFF   "keep off"
!define HYPHEN_ON  "hyphen on"
!define HYPHEN_OFF "hyphen off"

!block script

@_squish_MacroArgs = (
    'Name       Type        Default     Rule',
    'state      symbol      toggle      <on|off|true|false|yes|no|toggle>',
    'params     rest        _NULL_          ',
);
sub squish_Macro {
    local(%arg) = @_;
    local($state,$paratags);
    local(@text);

    $state=$arg{'state'};
    $paratags='';

    # Ian is certainly going to change the following code --tjh

    # I want to support the following (and probably allow nesting!)
    # !squish on       <= default of just lists
    # !squish on ; H1  <= just H1
    # !squish on ;     <= all paragraphs

    if ($arg{'params'}) {
      if ( $arg{'params'} =~ /;/ ) {
	  ($crap,$paratags) = split(/\s*;\s*/,$arg{'params'});
      } else {
	  $paratags = 'LU\d|L\d';
      }
    } else {
      $paratags = 'LU\d|L\d';
    }

    #print STDERR "SQUISH STATE=\"$state\" PARA=\"$paratags\" ARGS" . $arg{'params'} . "\n";

    # add in the macro stuff here ...
    if ($state eq 'on') {
	push(@text,"!on paragraph '$paratags' ; __squish_filter; \$attr{'mif.SpAfter'} = '0 pt'; \$attr{'mif.SpBefore'} = '0 pt'");
    } elsif ($state eq 'off') {
	push(@text,'!off paragraph __squish_filter');
    } else {
	&'AppMsg("error", "squish \"$state\" not yet implemented");
	return ();
    }

    #print STDERR "Squish:\n" . join("\n",@text) . "\n";

    return (@text);
}

@_keep_MacroArgs = (
    'Name       Type        Default     Rule',
    'state      symbol      toggle      <on|off|true|false|yes|no|toggle>'
);
sub keep_Macro {
    local(%arg) = @_;
    local($state);
    local(@text);

    $state=$arg{'state'};

    # add in the macro stuff here ...
    if ($state eq 'on') {
	push(@text,'!on paragraph ; __keep_filter; $attr{"mif.WithNext"}="1"');
    } elsif ($state eq 'off') {
	push(@text,'!off paragraph __keep_filter');
    } else {
	&'AppMsg("error", "keep \"$state\" not yet implemented");
	return ();
    }
    return (@text);
}

@_hyphen_MacroArgs = (
    'Name       Type        Default     Rule',
    'state      symbol      toggle      <on|off|true|false|yes|no|toggle>'
);
sub hyphen_Macro {
    local(%arg) = @_;
    local($state);
    local(@text);

    $state=$arg{'state'};

    # add in the macro stuff here ...
    if ($state eq 'off') {
        push(@text,'!on paragraph ; __hyphen_filter; $attr{"mif.Hyphenate"}="0"; ');
    } elsif ($state eq 'on') {
	push(@text,'!off paragraph __hyphen_filter');
    } else {
	&'AppMsg("error", "hyphen \"$state\" not yet implemented");
	return ();
    }
    return (@text);
}

!endblock


!if TEST

H1: hi there

* asd as dasd
* asd as d asd

!squish on 
Bulletted list
* alkasjdklasjdla
* asldkjaslkdjasd
!squish off

!squish on ; H1
H1: JUST H1's squished

H2: not squished
!squish off

!squish on ; 
H1: squished
Everything squished

* asdasd
* asdasdasdasd
!squish off


!endif