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#!/usr/bin/perl
# laurent Montel <montel@kde.org> 2006 GPL
# Reinhold Kainhofer <reinhold@kainhofer.com> 2006 GPL
#
# simple script to replace the QT3_SUPPORT Q(H|V|)BoxLayout constructors:
# QVBoxLayout ( QWidget * parent, int margin, int spacing = -1, const char * name = 0 )
# QVBoxLayout ( QLayout * parentLayout, int spacing = -1, const char * name = 0 )
# QVBoxLayout ( int spacing, const char * name = 0 )
# with the Qt4 API, which is
# Q(H|V|)BoxLayout( QWidget* parent);
# Q(H|V|)BoxLayout();
# Q(H|V|)BoxLayout::set(Margin|Spacing|ObjectName)(...);
#
# This script does NOT detect the QLayout*parentLayout case, which needs to be converted manually
use File::Basename;
use lib dirname( $0 );
use functionUtilkde;
use strict;
open(my $F, "-|", qw(find . -type f));
my $file;
while ($file = <$F>) {
next if $file =~ /\.svn/;
chomp $file;
next if functionUtilkde::excludeFile( $file);
my $modified;
my @necessaryIncludes = ();
open(my $FILE, "<", $file) or warn "We can't open file $file:$!\n";
my @l = map {
my $orig = $_;
my ($spaces, $trailer, $object, $call, $ws, $parent, $params);
# $ws is the whitespace between brackets and contents
# $spaces are the spaces at the beginning of the line
# $trailer is the text between the spaces at the beginning and the object name
# $object is the layout object (for the set* calls that we need to add)
# $call is the actual constructor call (e.g. " = new QVBoxLayout ")
# $parent is the first argument to the constructor, unless it starts with a number
# $params is everything after the parent layout/widget until the end of the bracket
#
# this code assumes the constructor is a call on its own line, i.e. ends with new QVBoxLayout(...);
$parent = "";
if ( # Either parent widget/layout or first param is rows (=starts with number)
( ($spaces, $trailer, $object, $call, $ws, $parent, $params) = m!^(\s*)(.*[\s\*]|)([a-zA-Z0-9]+)(\s*=\s*new Q[HV]BoxLayout[^(]*)\((\s*)([^0-9 ][^,]*|0),\s*(.*[^\s])\s*\);$! ) ||
( ($spaces, $trailer, $object, $call, $ws, $params) = m!^(\s*)(.*[\s\*]|)([a-zA-Z0-9]+)(\s*=\s*new Q[HV]BoxLayout[^(]*)\((\s*)([0-9][^,]*,\s*.*[^\s])\s*\);$! ) ) {
# print "Spaces: '$spaces', Trailer: '$trailer', Object: '$object', Call: '$call'";
# print "WS: '$ws', Parent: '$parent'\n";
# print "Params '$params'\n";
if ( $parent eq "0" ) { $parent = ""; }
# if ( length($parent)>0 && $parent != 0) {
# print "Parent: '$parent', \$parent:";
# if ( length($parent) ) {
# print "In IF";
# } else {
# print "NOT in IF";
# }
if ( $parent ) {
$_ = "$spaces$trailer$object$call($ws$parent$ws);\n";
} else {
$_ = "$spaces$trailer$object$call();\n";
}
my ( $margin, $space, $name );
my @parms = split( /,\s*/, $params );
# print "Params: ";
# print join(" - ", @parms );
# print "\n";
if ( scalar( @parms ) >= 3 ) {
# All params are given: margin, spacing, name
( $margin, $space, $name ) = @parms;
} else {
if ( !defined($parent) ) { # constructor without parent layout/widget => spacing, name
$space = $parms[0] if ( scalar( @parms ) >= 1 );
$name = $parms[1] if ( scalar( @parms ) >= 2 );
} elsif ( scalar( @parms ) >= 2 && @parms[1] =~ m/^"/ ) {
# Second parameter is the name -> First must be the spacing
$space = $parms[0];
$name = $parms[1];
} elsif ( scalar( @parms ) >= 2 ) { # fourth param is not name
$margin = $parms[0];
$space = $parms[1];
} else {
$space = $parms[0] if ( scalar( @parms ) >= 1 );
}
}
# print "Margin: $margin\nSpacing: $space\nName: $name\n";
# We don't need the row/col count any more in the new Qt4 API!!!
$_ .= "$spaces$object->setObjectName($ws$name$ws);\n" if ( defined($name) );
$_ .= "$spaces$object->setSpacing($ws$space$ws);\n" if ( defined($space) );
$_ .= "$spaces$object->setMargin($ws$margin$ws);\n" if ( defined($margin) );
# print "Old line: \n$orig";
# print "New line: \n$_====================\n";
}
$modified ||= $orig ne $_;
$_;
} <$FILE>;
if ($modified) {
print "Modified: $file\n";
open (my $OUT, ">", $file);
print $OUT @l;
close $OUT;
}
}
functionUtilkde::diffFile( <$F> );
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