findtr
#!/usr/bin/perl -w
# vi:wrap:
#############################################################################
##
## Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
## Contact: http://www.qt-project.org/
##
## This file is part of the translations of the Qt Toolkit.
##
## $QT_BEGIN_LICENSE:LGPL$
## GNU Lesser General Public License Usage
## This file may be used under the terms of the GNU Lesser General Public
## License version 2.1 as published by the Free Software Foundation and
## appearing in the file LICENSE.LGPL included in the packaging of this
## file. Please review the following information to ensure the GNU Lesser
## General Public License version 2.1 requirements will be met:
## http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
##
## In addition, as a special exception, Nokia gives you certain additional
## rights. These rights are described in the Nokia Qt LGPL Exception
## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU General
## Public License version 3.0 as published by the Free Software Foundation
## and appearing in the file LICENSE.GPL included in the packaging of this
## file. Please review the following information to ensure the GNU General
## Public License version 3.0 requirements will be met:
## http://www.gnu.org/copyleft/gpl.html.
##
## Other Usage
## Alternatively, this file may be used in accordance with the terms and
## conditions contained in a signed written agreement between you and Nokia.
##
##
##
##
##
##
## $QT_END_LICENSE$
##
#############################################################################
# See Qt I18N documentation for usage information.
use POSIX qw(strftime);
$projectid='PROJECT VERSION';
$datetime = strftime "%Y-%m-%d %X %Z", localtime;
$charset='iso-8859-1';
$translator='FULLNAME <EMAIL@ADDRESS>';
$revision_date='YYYY-MM-DD';
$real_mark = "tr";
$noop_mark = "QT_TR_NOOP";
$scoped_mark = "qApp->translate";
$noop_scoped_mark = "QT_TRANSLATE_NOOP";
$header=
'# This is a Qt message file in .po format. Each msgid starts with
# a scope. This scope should *NOT* be translated - eg. translating
# from French to English, "Foo::Bar" would be translated to "Pub",
# not "Foo::Pub".
msgid ""
msgstr ""
"Project-Id-Version: '.$projectid.'\n"
"POT-Creation-Date: '.$datetime.'\n"
"PO-Revision-Date: '.$revision_date.'\n"
"Last-Translator: '.$translator.'\n"
"Content-Type: text/plain; charset='.$charset.'\n"
';
$scope = "";
if ( $#ARGV < 0 ) {
print STDERR "Usage: findtr sourcefile ... >project.po\n";
exit 1;
}
sub outmsg {
my ($file, $line, $scope, $msgid) = @_;
# unesc
$msgid =~ s/$esc:$esc:$esc/::/gs;
$msgid =~ s|$esc/$esc/$esc|//|gs;
# Remove blank lines
$msgid =~ s/\n\n+/\n/gs;
$msgid = "\"\"\n$msgid" if $msgid =~ /\n/s;
print "#: $file:$line\n";
$msgid =~ s/^"//; #"emacs bug
print "msgid \"${scope}::$msgid\n";
#print "msgstr \"$msgid\n";
print "msgstr \"\"\n";
print "\n";
}
sub justlines {
my $l = @_;
$l =~ tr|\n||dc;
return $l;
}
print $header;
foreach $file ( @ARGV ) {
next unless open( I, "< $file" );
$source = join( "", <I> );
# Find esc. Avoid bad case 1/// -> 1/1/1/1 -> ///1
$esc = 1;
while ( $source =~ m!(?:$esc/$esc/$esc)|(?:$esc///)
|(?:$esc:$esc:$esc)|(?:$esc:\:\:)! ) {
$esc++;
}
# Hide quoted :: in practically all strings
$source =~ s/\"([^"\n]*)::([^"\n]*)\"/\"$1$esc:$esc:$esc$2\"/g;
# Hide quoted // in practically all strings
$source =~ s|\"([^"\n]*)//([^"\n]*)\"|\"$1$esc/$esc/$esc$2\"|g;
# strip comments -- does not handle "/*" in strings
while( $source =~ s|/\*(.*?)\*/|justlines($1)|ges ) { }
while( $source =~ s|//(.*?)\n|\n|g ) { }
while( $source =~ /
(?:
# Some doublequotes are "escaped" to help vim syntax highlight
# $1 = scope; $2 = parameters etc.
(?:
# Scoped function name ($1 is scope).
(\w+)::(?:\w+)
\s*
# Parameters etc up to open-curly - no semicolons
\(([^();]*)\)
\s*
(?:\{|:)
)
|
# $3 - one-argument msgid
(?:\b
# One of the marks
(?:$real_mark|$noop_mark)
\s*
# The parameter
\(\s*((?:"(?:[^"]|[^\\]\\")*"\s*)+)\)
)
|
# $4,$5 - two-argument msgid
(?:\b
# One of the scoped marks
(?:$scoped_mark|$noop_scoped_mark)
\s*
# The parameters
\(
# The scope parameter
\s*"([^\"]*)"
\s*,\s*
# The msgid parameter
\s*((?:\"(?:[^"]|[^\\]\\")*"\s*)+) #"emacs
\)
)
|
# $6,$7 - scoped one-argument msgid
(?:\b
# The scope
(\w+)::
# One of the marks
(?:$real_mark)
\s*
# The parameter
\(\s*((?:"(?:[^"]|[^\\]\\")*"\s*)+)\)
)
)/gsx )
{
@lines = split /^/m, "$`";
$line = @lines;
if ( defined( $1 ) ) {
if ( $scope ne $1 ) {
$sc=$1;
$etc=$2;
# remove strings
$etc =~ s/"(?:[^"]|[^\\]\\")"//g;
# count ( and )
@open = split /\(/m, $etc;
@close = split /\)/m, $etc;
if ( $#open == $#close ) {
$scope = $sc;
}
}
next;
}
if ( defined( $3 ) ) {
$this_scope = $scope;
$msgid = $3;
} elsif ( defined( $4 ) ) {
$this_scope = $4;
$msgid = $5;
} elsif ( defined( $6 ) ) {
$this_scope = $6;
$msgid = $7;
} else {
next;
}
$msgid =~ s/^\s*//;
$msgid =~ s/\s*$//;
# Might still be non-unique eg. tr("A" "B") vs. tr("A" "B").
$location{"${this_scope}::${msgid}"} = "$file:$line";
}
}
for $scoped_msgid ( sort keys %location ) {
($scope,$msgid) = $scoped_msgid =~ m/([^:]*)::(.*)/s;
($file,$line) = $location{$scoped_msgid} =~ m/([^:]*):(.*)/s;
outmsg($file,$line,$scope,$msgid);
}