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#!/usr/bin/perl -w
# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# Nautilus
#
# Copyright (C) 2000, 2001 Eazel, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this library; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# Author: Darin Adler <darin@bentspoon.com>,
#
# check-strings.pl: Search for .c and .h files where someone forgot
# to put _() around a string.
# Throughout this file you will find extra \ before quote symbols
# that perl does not require. These are to appease emacs perl mode.
use diagnostics;
use strict;
# default to all the files starting from the current directory
if (!@ARGV)
{
@ARGV = `find . \\( -name '*.c' -o -name '*.h' \\) -print`;
}
sub found_string;
# read in file with functions for which no translation is needed
my @no_translation_needed_functions;
open FUNCTIONS, "check-strings-functions" or die "can't open functions file";
while (<FUNCTIONS>)
{
chomp;
s/(([^\\]|\\.)*)\#.*/$1/;
s/\s*$//;
next if /^$/;
push @no_translation_needed_functions, $_;
}
close FUNCTIONS;
my $no_translation_needed_function_pattern = "^(" . (join "|", @no_translation_needed_functions) . ")\$";
# read in file with patterns for which no translation is needed
my @no_translation_needed_patterns;
open STRINGS, "check-strings-patterns" or die "can't open patterns file";
while (<STRINGS>)
{
chomp;
s/(([^\\]|\\.)*)\#.*/$1/;
s/\s*$//;
next if /^$/;
my ($string_pattern, $file_name_pattern) = /(.+?)\s*\|\|\|\s*(.+)/;
$string_pattern ||= $_;
$file_name_pattern ||= ".";
push @no_translation_needed_patterns, [$string_pattern, $file_name_pattern];
}
close STRINGS;
FILE: foreach my $file (@ARGV)
{
chomp $file;
open FILE, $file or die "can't open $file";
my $in_comment = 0;
my $string = "";
my $last_word;
my @stack = ();
my $paren_level = 0;
my $in_exception_function = 0;
LINE: while (<FILE>)
{
if ($in_comment)
{
s/.*?\*\/// or next LINE;
$in_comment = 0;
}
# general approach is to just remove things we aren't interested in
next LINE if /^\s*#\s*(\d|include)/;
while (s/(((.*?)(\/\*|[\'\"\(\)]|\w+))|.+)//)
{
my $skipped = $3;
$skipped = $1 unless defined $skipped;
my $found = $4;
$found = "" unless defined $found;
my $function_name = $last_word || "";
if ($skipped =~ /\S/ or $found =~ /^[\(\)\w]/)
{
if ($string ne "")
{
found_string ($string, $file, $.) unless $in_exception_function;
$string = "";
}
undef $last_word;
}
last unless $found ne "";
if ($found eq '"')
{
s/^(([^\\\"]|\\.)*)\"// or (print "$file:$.:unclosed quote\n"), next FILE;
$string .= $1;
}
elsif ($found eq "'")
{
s/^([^\\\']|\\.)*\'// or (print "$file:$.:unclosed single quote\n"), next FILE;
}
elsif ($found eq "/*")
{
s/^.*?\*\/// or $in_comment = 1, next LINE;
}
elsif ($found eq "(")
{
if ($function_name or $paren_level == 0)
{
push @stack, [$paren_level, $in_exception_function];
$paren_level = 0;
$in_exception_function = 1 if $function_name =~ /$no_translation_needed_function_pattern/o;
}
$paren_level++;
}
elsif ($found eq ")")
{
(print "$file:$.:mismatched paren (type 1)\n"), next FILE if $paren_level == 0;
$paren_level--;
if ($paren_level == 0)
{
(print "$file:$.:mismatched paren (type 2)\n"), next FILE if @stack == 0;
($paren_level, $in_exception_function) = @{pop @stack};
}
}
else
{
$last_word = $found;
}
}
}
close FILE;
}
sub found_string
{
my ($string, $file, $line) = @_;
for my $exception (@no_translation_needed_patterns)
{
return if $string =~ /$exception->[0]/ and $file =~ /$exception->[1]/;
}
print "$file:$line:\"$string\" is not marked for translation\n";
}
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