1 # Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 # All rights reserved.

     3 # This component and the accompanying materials are made available

     4 # under the terms of "Eclipse Public License v1.0"

     5 # which accompanies this distribution, and is available

     6 # at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 #

     8 # Initial Contributors:

     9 # Nokia Corporation - initial contribution.

    10 #

    11 # Contributors:

    12 #

    13 # Description:

    14 # Text formatting module

    15 # 

    16 #

    17 

    18 package Output;

    19 require Exporter;

    20 @ISA=qw(Exporter);

    21 @EXPORT=qw(

    22 	OutSetLength OutSetPostWrap OutFormat Output

    23 	OutText

    24 );

    25 

    26 

    27 

    28 my $Len=80;

    29 my $PreWrap="\\";

    30 my $PreWrapLen=length($PreWrap);

    31 my $PostWrap=' ';

    32 my $PostWrapLen=length($PostWrap);

    33 my $Buf='';

    34 my $Text='';

    35 

    36 sub OutSetLength ($) {

    37 	if ($_[0]) {

    38 		$Len=$_[0];

    39 		return $Len;

    40 	}

    41 	$Len=80;

    42 }

    43 

    44 sub OutSetPreWrap ($) {

    45 	$PreWrap=$_[0];

    46 	$PreWrapLen=length($PreWrap);

    47 }

    48 

    49 sub OutSetPostWrap ($) {

    50 	$PostWrap=$_[0];

    51 	$PostWrapLen=length($PostWrap);

    52 }

    53 

    54 sub OutFormat (@) {

    55 	my $Item;

    56 	foreach $Item (@_) {

    57 		$Buf.=$Item;

    58 	}

    59 }

    60 

    61 sub OutWrite () {

    62 	my @Buf=();

    63 	my $CurLen=0;

    64 	if ($Buf=~/^(\s)/o) {

    65 		# output any starting spaces or tabs

    66 		$Text.=$1;

    67 		$CurLen=length($1);

    68 	}

    69 	while ($Buf=~/([^ "\t\n\r\f]*"[^"\t\n\r\f]+"[^ "\t\n\r\f]*|[^ "\t\n\r\f]+)/go) {

    70 		# get the elements of $Buf into @Buf

    71 		push @Buf, $1;

    72 	}

    73 	$Buf='';

    74 	my $Elem;

    75 	foreach $Elem (@Buf) {

    76 		my $ElemLen=length($Elem);

    77 		if (($CurLen+$ElemLen+$PreWrapLen) > $Len) {

    78 			# $Len doesn't account for the newline character

    79 			# wrap the line if adding another element will take it over the prescribed length

    80 			$Text.="$PreWrap\n$PostWrap";

    81 			$CurLen=$PostWrapLen;

    82 		}

    83 		elsif ($CurLen>$PostWrapLen) {

    84 			# add a space to the line if they're are already elements in the line

    85 			$Text.=' ';

    86 			$CurLen++;

    87 		}

    88 		# add element to the line

    89 		$Text.=$Elem;

    90 		$CurLen+=$ElemLen;

    91 	}

    92 	# finish with a newline

    93 	$Text.="\n";

    94 }

    95 

    96 sub Output (@) {

    97 	OutWrite if $Buf;	# output the formatted text before doing any more output

    98 	my $Item;

    99 	foreach $Item (@_) {

   100 		$Text.=$Item;

   101 	}

   102 }

   103 

   104 sub OutText () {

   105 	my $temp=$Text;

   106 	$Text='';

   107 	$temp;

   108 }

   109 

   110 1;