build: i18n-scan.pl: properly handle bracket-quoted strings

[project/luci.git] / build / i18n-scan.pl

diff --git a/build/i18n-scan.pl b/build/i18n-scan.pl
index 3b61bc3843f2c027b1eed69e4ad9e9a81afd58ce..c19a4386ce5652e09a9baec206bcc0bbb44d71cd 100755 (executable)
--- a/build/i18n-scan.pl
+++ b/build/i18n-scan.pl
@@ -2,9 +2,12 @@
 
 use strict;
 use warnings;
-use Text::Balanced qw(extract_bracketed extract_delimited extract_tagged);
+use Text::Balanced qw(extract_tagged gen_delimited_pat);
+use POSIX;
 
-@ARGV >= 1 || die "Usage: $0 <source direcory>\n";
+POSIX::setlocale(POSIX::LC_ALL, "C");
+
+@ARGV >= 1 || die "Usage: $0 <source directory>\n";
 
 
 my %stringtable;
@@ -13,8 +16,8 @@ sub dec_lua_str
 {
        my $s = shift;
        $s =~ s/\\n/\n/g;
-       $s =~ s/\\t/\n/g;
-       $s =~ s/\\(.)/$1/g;
+       $s =~ s/\\t/\t/g;
+       $s =~ s/\\(.)/$1/sg;
        $s =~ s/[\s\n]+/ /g;
        $s =~ s/^ //;
        $s =~ s/ $//;
@@ -28,11 +31,11 @@ sub dec_tpl_str
        $s =~ s/[\s\n]+/ /g;
        $s =~ s/^ //;
        $s =~ s/ $//;
+       $s =~ s/\\/\\\\/g;
        return $s;
 }
 
-
-if( open F, "find @ARGV -type f '(' -name '*.htm' -or -name '*.lua' ')' |" )
+if( open F, "find @ARGV -type f '(' -name '*.htm' -o -name '*.lua' -o -name '*.js' ')' | sort |" )
 {
        while( defined( my $file = readline F ) )
        {
@@ -44,42 +47,99 @@ if( open F, "find @ARGV -type f '(' -name '*.htm' -or -name '*.lua' ')' |" )
                        my $raw = <S>;
                        close S;
 
-
                        my $text = $raw;
+                       my $line = 1;
 
-                       while( $text =~ s/ ^ .*? (?:translate|translatef|i18n|_) [\n\s]* \( /(/sgx )
+                       while ($text =~ s/ ^ (.*?) (?:translate|translatef|i18n|_) ([\n\s]*) \( //sgx)
                        {
-                               ( my $code, $text ) = extract_bracketed($text, q{('")});
-                               $code =~ s/^\(//; $code =~ s/\)$//;
-
+                               my ($prefix, $suffix) = ($1, $2);
+                               my $code;
                                my $res = "";
                                my $sub = "";
 
-                               while( defined $sub )
+                               $line += () = $prefix =~ /\n/g;
+
+                               my $position = "$file:$line";
+
+                               $line += () = $suffix =~ /\n/g;
+
+                               while (defined $sub)
                                {
-                                       ( $sub, $code ) = extract_delimited($code, q{'"}, q{\s*(?:\.\.\s*)?});
+                                       undef $sub;
 
-                                       if( defined $sub )
+                                       if ($text =~ /^ ([\n\s]*(?:\.\.[\n\s]*)?) (\[=*\[) /sx)
                                        {
-                                               $res .= substr $sub, 1, length($sub) - 2;
+                                               my $ws = $1;
+                                               my $stag = quotemeta $2;
+                                               (my $etag = $stag) =~ y/[/]/;
+
+                                               ($sub, $text) = extract_tagged($text, $stag, $etag, q{\s*(?:\.\.\s*)?});
+
+                                               $line += () = $ws =~ /\n/g;
+
+                                               if (defined($sub) && length($sub)) {
+                                                       $line += () = $sub =~ /\n/g;
+
+                                                       $sub =~ s/^$stag//;
+                                                       $sub =~ s/$etag$//;
+                                                       $res .= $sub;
+                                               }
+                                       }
+                                       elsif ($text =~ /^ ([\n\s]*(?:\.\.[\n\s]*)?) (['"]) /sx)
+                                       {
+                                               my $ws = $1;
+                                               my $quote = $2;
+                                               my $re = gen_delimited_pat($quote, '\\');
+
+                                               if ($text =~ m/\G\s*(?:\.\.\s*)?($re)/gcs)
+                                               {
+                                                       $sub = $1;
+                                                       $text = substr $text, pos $text;
+                                               }
+
+                                               $line += () = $ws =~ /\n/g;
+
+                                               if (defined($sub) && length($sub)) {
+                                                       $line += () = $sub =~ /\n/g;
+
+                                                       $sub =~ s/^$quote//;
+                                                       $sub =~ s/$quote$//;
+                                                       $res .= $sub;
+                                               }
                                        }
                                }
 
-                               $res = dec_lua_str($res);
-                               $stringtable{$res}++;
+                               if (defined($res))
+                               {
+                                       $res = dec_lua_str($res);
+
+                                       if ($res) {
+                                               $stringtable{$res} ||= [ ];
+                                               push @{$stringtable{$res}}, $position;
+                                       }
+                               }
                        }
 
 
                        $text = $raw;
+                       $line = 1;
 
-                       while( $text =~ s/ ^ .*? <% [:_] -? /<%/sgx )
+                       while( $text =~ s/ ^ (.*?) <% -? [:_] /<%/sgx )
                        {
+                               $line += () = $1 =~ /\n/g;
+
                                ( my $code, $text ) = extract_tagged($text, '<%', '%>');
 
                                if( defined $code )
                                {
+                                       my $position = "$file:$line";
+
+                                       $line += () = $code =~ /\n/g;
+
                                        $code = dec_tpl_str(substr $code, 2, length($code) - 4);
-                                       $stringtable{$code}++;
+
+                                       $stringtable{$code} ||= [];
+                                       push @{$stringtable{$code}}, $position;
                                }
                        }
                }
@@ -97,8 +157,15 @@ if( open C, "| msgcat -" )
        {
                if( length $key )
                {
+                       my @positions = @{$stringtable{$key}};
+
+                       $key =~ s/\\/\\\\/g;
+                       $key =~ s/\n/\\n/g;
+                       $key =~ s/\t/\\t/g;
                        $key =~ s/"/\\"/g;
-                       printf C "msgid \"%s\"\nmsgstr \"\"\n\n", $key;
+
+                       printf C "#: %s\nmsgid \"%s\"\nmsgstr \"\"\n\n",
+                               join(' ', @positions), $key;
                }
        }