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/cvs/rxvt-unicode/src/urxvt.pm
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Comparing rxvt-unicode/src/urxvt.pm (file contents):
Revision 1.206 by root, Tue Jun 5 21:06:15 2012 UTC vs.
Revision 1.215 by root, Thu Jun 7 16:30:58 2012 UTC

20=head1 DESCRIPTION 20=head1 DESCRIPTION
21 21
22Every time a terminal object gets created, extension scripts specified via 22Every time a terminal object gets created, extension scripts specified via
23the C<perl> resource are loaded and associated with it. 23the C<perl> resource are loaded and associated with it.
24 24
25Scripts are compiled in a 'use strict' and 'use utf8' environment, and 25Scripts are compiled in a 'use strict "vars"' and 'use utf8' environment, and
26thus must be encoded as UTF-8. 26thus must be encoded as UTF-8.
27 27
28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where 28Each script will only ever be loaded once, even in @@RXVT_NAME@@d, where
29scripts will be shared (but not enabled) for all terminals. 29scripts will be shared (but not enabled) for all terminals.
30 30
755=cut 755=cut
756 756
757package urxvt; 757package urxvt;
758 758
759use utf8; 759use utf8;
760use strict; 760use strict 'vars';
761use Carp (); 761use Carp ();
762use Scalar::Util (); 762use Scalar::Util ();
763use List::Util (); 763use List::Util ();
764 764
765our $VERSION = 1; 765our $VERSION = 1;
766our $TERM; 766our $TERM;
767our @TERM_INIT; 767our @TERM_INIT; # should go, prevents async I/O etc.
768our @TERM_EXT; 768our @TERM_EXT; # should go, prevents async I/O etc.
769our @HOOKNAME; 769our @HOOKNAME;
770our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME; 770our %HOOKTYPE = map +($HOOKNAME[$_] => $_), 0..$#HOOKNAME;
771our %OPTION; 771our %OPTION;
772 772
773our $LIBDIR; 773our $LIBDIR;
943 }; 943 };
944} 944}
945 945
946no warnings 'utf8'; 946no warnings 'utf8';
947 947
948sub resource { 948sub parse_resource {
949 my ($term, $name, $isarg, $flag, $value) = @_; 949 my ($term, $name, $isarg, $longopt, $flag, $value) = @_;
950 950
951 warn "resourece<@_>\n";#d# 951 $term->scan_meta;
952
953 my $r = $term->{meta}{resource};
954 while (my ($pattern, $v) = each %$r) {
955 $name =~ y/-/./ if $isarg;
956
957 if (
958 $pattern =~ /\.$/
959 ? $pattern eq substr $name, 0, length $pattern
960 : $pattern eq $name
961 ) {
962 $name = "$urxvt::RESCLASS.$name";
963
964 push @{ $term->{perl_ext_3} }, $v->[0];
965
966 if ($v->[1] eq "boolean") {
967 $term->put_option_db ($name, $flag ? "true" : "false");
968 return 1;
969 } else {
970 $term->put_option_db ($name, $value);
971 return 1 + 2;
972 }
973 }
974 }
952 975
953 0 976 0
977}
978
979sub usage {
980 my ($term, $usage_type) = @_;
981
982 $term->scan_meta;
983
984 my $r = $term->{meta}{resource};
985
986 for my $pattern (sort keys %$r) {
987 my ($ext, $type, $desc) = @{ $r->{$pattern} };
988
989 $desc .= " (-pe $ext)";
990
991 if ($usage_type == 1) {
992 $pattern =~ y/./-/;
993 $pattern =~ s/-$/-.../g;
994
995 if ($type eq "boolean") {
996 urxvt::log sprintf " -%-30s %s\n", "/+$pattern", $desc;
997 } else {
998 urxvt::log sprintf " -%-30s %s\n", "$pattern $type", $desc;
999 }
1000 } else {
1001 $pattern =~ s/\.$/.*/g;
1002 urxvt::log sprintf " %-31s %s\n", "$pattern:", $type;
1003 }
1004 }
954} 1005}
955 1006
956my $verbosity = $ENV{URXVT_PERL_VERBOSITY}; 1007my $verbosity = $ENV{URXVT_PERL_VERBOSITY};
957 1008
958sub verbose { 1009sub verbose {
976 1027
977 open my $fh, "<:raw", $path 1028 open my $fh, "<:raw", $path
978 or die "$path: $!"; 1029 or die "$path: $!";
979 1030
980 my $source = 1031 my $source =
981 "package $pkg; use strict; use utf8; no warnings 'utf8';\n" 1032 "package $pkg; use strict 'vars'; use utf8; no warnings 'utf8';\n"
982 . "#line 1 \"$path\"\n{\n" 1033 . "#line 1 \"$path\"\n{\n"
983 . (do { local $/; <$fh> }) 1034 . (do { local $/; <$fh> })
984 . "\n};\n1"; 1035 . "\n};\n1";
985 1036
986 eval $source 1037 eval $source
996sub invoke { 1047sub invoke {
997 local $TERM = shift; 1048 local $TERM = shift;
998 my $htype = shift; 1049 my $htype = shift;
999 1050
1000 if ($htype == 0) { # INIT 1051 if ($htype == 0) { # INIT
1001 my @dirs = ((split /:/, $TERM->resource ("perl_lib")), "$ENV{HOME}/.urxvt/ext", "$LIBDIR/perl"); 1052 my @dirs = $TERM->perl_libdirs;
1002 1053
1003 my %ext_arg; 1054 my %ext_arg;
1004 1055
1005 { 1056 {
1006 my @init = @TERM_INIT; 1057 my @init = @TERM_INIT;
1009 my @pkg = @TERM_EXT; 1060 my @pkg = @TERM_EXT;
1010 @TERM_EXT = (); 1061 @TERM_EXT = ();
1011 $TERM->register_package ($_) for @pkg; 1062 $TERM->register_package ($_) for @pkg;
1012 } 1063 }
1013 1064
1065 for (
1066 @{ delete $TERM->{perl_ext_3} },
1014 for (grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2) { 1067 grep $_, map { split /,/, $TERM->resource ("perl_ext_$_") } 1, 2
1068 ) {
1015 if ($_ eq "default") { 1069 if ($_ eq "default") {
1016 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline); 1070 $ext_arg{$_} ||= [] for qw(selection option-popup selection-popup searchable-scrollback readline);
1017 } elsif (/^-(.*)$/) { 1071 } elsif (/^-(.*)$/) {
1018 delete $ext_arg{$1}; 1072 delete $ext_arg{$1};
1019 } elsif (/^([^<]+)<(.*)>$/) { 1073 } elsif (/^([^<]+)<(.*)>$/) {
1167=head2 The C<urxvt::anyevent> Class 1221=head2 The C<urxvt::anyevent> Class
1168 1222
1169The sole purpose of this class is to deliver an interface to the 1223The sole purpose of this class is to deliver an interface to the
1170C<AnyEvent> module - any module using it will work inside urxvt without 1224C<AnyEvent> module - any module using it will work inside urxvt without
1171further programming. The only exception is that you cannot wait on 1225further programming. The only exception is that you cannot wait on
1172condition variables, but non-blocking condvar use is ok. What this means 1226condition variables, but non-blocking condvar use is ok.
1173is that you cannot use blocking APIs, but the non-blocking variant should 1227
1174work. 1228In practical terms this means is that you cannot use blocking APIs, but
1229the non-blocking variant should work.
1175 1230
1176=cut 1231=cut
1177 1232
1178our $VERSION = '5.23'; 1233our $VERSION = '5.23';
1179 1234
1273 $self->{_pkg}{$pkg} = $proxy; 1328 $self->{_pkg}{$pkg} = $proxy;
1274 1329
1275 for my $name (@HOOKNAME) { 1330 for my $name (@HOOKNAME) {
1276 if (my $ref = $pkg->can ("on_" . lc $name)) { 1331 if (my $ref = $pkg->can ("on_" . lc $name)) {
1277 $proxy->enable ($name => $ref); 1332 $proxy->enable ($name => $ref);
1333 }
1334 }
1335}
1336
1337sub perl_libdirs {
1338 map { split /:/ }
1339 $_[0]->resource ("perl_lib"),
1340 $ENV{URXVT_PERL_LIB},
1341 "$ENV{HOME}/.urxvt/ext",
1342 "$LIBDIR/perl"
1343}
1344
1345sub scan_meta {
1346 my ($self) = @_;
1347 my @libdirs = perl_libdirs $self;
1348
1349 return if $self->{meta_libdirs} eq join "\x00", @libdirs;
1350
1351 my %meta;
1352
1353 $self->{meta_libdirs} = join "\x00", @libdirs;
1354 $self->{meta} = \%meta;
1355
1356 for my $dir (reverse @libdirs) {
1357 opendir my $fh, $dir
1358 or next;
1359 for my $ext (readdir $fh) {
1360 $ext ne "."
1361 and $ext ne ".."
1362 and open my $fh, "<", "$dir/$ext"
1363 or next;
1364
1365 while (<$fh>) {
1366 if (/^#:META:X_RESOURCE:(.*)/) {
1367 my ($pattern, $type, $desc) = split /:/, $1;
1368 $pattern =~ s/^%(\.|$)/$ext$1/g; # % in pattern == extension name
1369 if ($pattern =~ /[^a-zA-Z0-9\-\.]/) {
1370 warn "$dir/$ext: meta resource '$pattern' contains illegal characters (not alphanumeric nor . nor *)\n";
1371 } else {
1372 $meta{resource}{$pattern} = [$ext, $type, $desc];
1373 }
1374 } elsif (/^\s*(?:#|$)/) {
1375 # skip other comments and empty lines
1376 } else {
1377 last; # stop parsing on first non-empty non-comment line
1378 }
1379 }
1278 } 1380 }
1279 } 1381 }
1280} 1382}
1281 1383
1282=item $term = new urxvt::term $envhashref, $rxvtname, [arg...] 1384=item $term = new urxvt::term $envhashref, $rxvtname, [arg...]
1403 1505
1404This method should only be called during the C<on_start> hook, as there is 1506This method should only be called during the C<on_start> hook, as there is
1405only one resource database per display, and later invocations might return 1507only one resource database per display, and later invocations might return
1406the wrong resources. 1508the wrong resources.
1407 1509
1510=item $value = $term->x_resource_boolean ($pattern)
1511
1512Like C<x_resource>, above, but interprets the string value as a boolean
1513and returns C<1> for true values, C<0> for false values and C<undef> if
1514the resource or option isn't specified.
1515
1516You should always use this method to parse boolean resources.
1517
1518=cut
1519
1520sub x_resource_boolean {
1521 my $res = &x_resource;
1522
1523 $res =~ /^\s*(?:true|yes|on|1)\s*$/i ? 1 : defined $res && 0
1524}
1525
1408=item $success = $term->parse_keysym ($key, $octets) 1526=item $success = $term->parse_keysym ($key, $octets)
1409 1527
1410Adds a key binding exactly as specified via a resource. See the 1528Adds a key binding exactly as specified via a resource. See the
1411C<keysym> resource in the @@RXVT_NAME@@(1) manpage. 1529C<keysym> resource in the @@RXVT_NAME@@(1) manpage.
1412 1530

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