mirror of https://github.com/GNOME/gimp.git
756 lines
18 KiB
Perl
756 lines
18 KiB
Perl
# GIMP - The GNU Image Manipulation Program
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# Copyright (C) 1998-2003 Manish Singh <yosh@gimp.org>
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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package Gimp::CodeGen::lib;
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# Generates all the libgimp C wrappers (used by plugins)
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$destdir = "$main::destdir/libgimp";
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$builddir = "$main::builddir/libgimp";
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*arg_types = \%Gimp::CodeGen::pdb::arg_types;
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*arg_parse = \&Gimp::CodeGen::pdb::arg_parse;
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*enums = \%Gimp::CodeGen::enums::enums;
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*write_file = \&Gimp::CodeGen::util::write_file;
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*FILE_EXT = \$Gimp::CodeGen::util::FILE_EXT;
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use Text::Wrap qw(wrap);
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sub desc_wrap {
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my ($str) = @_;
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my $leading = ' * ';
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my $wrapped;
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$str =~ s/&/&\;/g;
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$str =~ s/\</<\;/g;
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$str =~ s/\>/>\;/g;
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$Text::Wrap::columns = 72;
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$wrapped = wrap($leading, $leading, $str);
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$wrapped =~ s/[ \t]+\n/\n/g;
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return $wrapped;
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}
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sub generate {
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my @procs = @{(shift)};
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my %out;
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sub libtype {
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my $arg = shift;
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my $outarg = shift;
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my ($type, $name) = &arg_parse($arg->{type});
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my $argtype = $arg_types{$type};
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my $rettype = '';
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if (exists $argtype->{id}) {
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return 'gint32 ';
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}
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if ($type eq 'enum') {
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return "$name ";
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}
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if ($outarg) {
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$rettype .= $argtype->{type};
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}
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else {
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if (exists $argtype->{struct}) {
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$rettype .= 'const ';
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}
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$rettype .= $argtype->{const_type};
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}
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$rettype =~ s/int32/int/ unless exists $arg->{keep_size};
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$rettype .= '*' if exists $argtype->{struct};
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return $rettype;
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}
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foreach $name (@procs) {
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my $proc = $main::pdb{$name};
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my $out = \%{$out{$proc->{group}}};
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my @inargs = @{$proc->{inargs}} if (defined $proc->{inargs});
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my @outargs = @{$proc->{outargs}} if (defined $proc->{outargs});
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my $funcname = "gimp_$name"; my $wrapped = "";
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my %usednames;
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my $retdesc = "Returns: ";
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if ($proc->{deprecated}) {
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if ($proc->{deprecated} eq 'NONE') {
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push @{$out->{protos}}, "GIMP_DEPRECATED\n";
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}
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else {
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my $underscores = $proc->{deprecated};
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$underscores =~ s/-/_/g;
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push @{$out->{protos}}, "GIMP_DEPRECATED_FOR($underscores)\n";
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}
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}
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# Find the return argument (defaults to the first arg if not
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# explicitly set
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my $retarg = undef; $retvoid = 0;
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foreach (@outargs) { $retarg = $_, last if exists $_->{retval} }
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unless ($retarg) {
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if (scalar @outargs) {
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if (exists $outargs[0]->{void_ret}) {
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$retvoid = 1;
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}
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else {
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$retarg = exists $outargs[0]->{num} ? $outargs[1]
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: $outargs[0];
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}
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}
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}
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my $rettype;
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if ($retarg) {
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$rettype = &libtype($retarg, 1);
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chop $rettype unless $rettype =~ /\*$/;
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$retarg->{retval} = 1;
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$retdesc .= exists $retarg->{desc} ? $retarg->{desc} : "";
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if ($retarg->{type} eq 'stringarray') {
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$retdesc .= ". The returned value must be freed with g_strfreev().";
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}
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}
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else {
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# No return values
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$rettype = 'void';
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}
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# The parameters to the function
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my $arglist = ""; my $argpass = "";
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my $argdesc = ""; my $sincedesc = "";
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foreach (@inargs) {
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my ($type) = &arg_parse($_->{type});
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my $desc = exists $_->{desc} ? $_->{desc} : "";
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my $arg = $arg_types{$type};
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$wrapped = "_" if exists $_->{wrap};
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$usednames{$_->{name}}++;
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$arglist .= &libtype($_, 0);
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$arglist .= $_->{name};
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$arglist .= '_ID' if $arg->{id};
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$arglist .= ', ';
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$argdesc .= " * \@$_->{name}";
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$argdesc .= '_ID' if $arg->{id};
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$argdesc .= ": $desc";
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# This is what's passed into gimp_run_procedure
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$argpass .= "\n" . ' ' x 36;
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$argpass .= "GIMP_PDB_$arg->{name}, ";
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$argpass .= "$_->{name}";
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$argpass .= '_ID' if $arg->{id};
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$argpass .= ',';
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unless ($argdesc =~ /[\.\!\?]$/) { $argdesc .= '.' }
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$argdesc .= "\n";
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}
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# This marshals the return value(s)
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my $return_args = "";
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my $return_marshal = "gimp_destroy_params (return_vals, nreturn_vals);";
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# return success/failure boolean if we don't have anything else
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if ($rettype eq 'void') {
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$return_args .= "\n" . ' ' x 2 . "gboolean success = TRUE;";
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$retdesc .= "TRUE on success.";
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}
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# We only need to bother with this if we have to return a value
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if ($rettype ne 'void' || $retvoid) {
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my $once = 0;
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my $firstvar;
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my @initnums;
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foreach (@outargs) {
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my ($type) = &arg_parse($_->{type});
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my $arg = $arg_types{$type};
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my $var;
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$return_marshal = "" unless $once++;
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$wrapped = "_" if exists $_->{wrap};
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$_->{libname} = exists $usednames{$_->{name}} ? "ret_$_->{name}"
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: $_->{name};
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if (exists $_->{num}) {
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if (!exists $_->{no_lib}) {
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push @initnums, $_;
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}
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}
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elsif (exists $_->{retval}) {
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$return_args .= "\n" . ' ' x 2;
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$return_args .= &libtype($_, 1);
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# The return value variable
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$var = $_->{libname};
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$var .= '_ID' if $arg->{id};
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$return_args .= $var;
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# Save the first var to "return" it
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$firstvar = $var unless defined $firstvar;
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if ($arg->{id}) {
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# Initialize all IDs to -1
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$return_args .= " = -1";
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}
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elsif ($_->{libdef}) {
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$return_args .= " = $_->{libdef}";
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}
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else {
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$return_args .= " = $arg->{init_value}";
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}
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$return_args .= ";";
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if (exists $_->{array} && exists $_->{array}->{no_lib}) {
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$return_args .= "\n" . ' ' x 2 . "gint num_$var;";
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}
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}
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elsif ($retvoid) {
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push @initnums, $_ unless exists $arg->{struct};
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}
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}
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if (scalar(@initnums)) {
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foreach (@initnums) {
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$return_marshal .= "\*$_->{libname} = ";
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my ($type) = &arg_parse($_->{type});
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for ($arg_types{$type}->{type}) {
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/\*$/ && do { $return_marshal .= "NULL"; last };
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/boolean/ && do { $return_marshal .= "FALSE"; last };
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/double/ && do { $return_marshal .= "0.0"; last };
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$return_marshal .= "0";
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}
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$return_marshal .= ";\n ";
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}
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$return_marshal =~ s/\n $/\n\n /s;
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}
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if ($rettype eq 'void') {
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$return_marshal .= <<CODE;
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success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
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if (success)
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CODE
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}
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else {
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$return_marshal .= <<CODE;
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if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
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CODE
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}
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$return_marshal .= ' ' x 4 . "{\n" if $#outargs;
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my $argc = 1; my ($numpos, $numtype);
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foreach (@outargs) {
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my ($type) = &arg_parse($_->{type});
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my $desc = exists $_->{desc} ? $_->{desc} : "";
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my $arg = $arg_types{$type};
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my $var;
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my $ch = "";
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my $cf = "";
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if ($type =~ /^string(array)?/) {
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$ch = 'g_strdup (';
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$cf = ')';
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}
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elsif ($type =~ /parasite/) {
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$ch = 'gimp_parasite_copy (&';
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$cf = ')';
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}
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elsif ($type =~ /boolean|enum|guide|sample_point/) {
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$type = 'int32';
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}
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if (exists $_->{num}) {
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$numpos = $argc;
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$numtype = $type;
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if (!exists $_->{no_lib}) {
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$arglist .= "gint \*$_->{libname}, ";
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$argdesc .= " * \@$_->{libname}: $desc";
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}
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}
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elsif (exists $_->{array}) {
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my $datatype = $arg->{type};
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chop $datatype;
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$datatype =~ s/ *$//;
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my $var = $_->{libname}; my $dh = ""; my $df = "";
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unless (exists $_->{retval}) {
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$var = "*$var"; $dh = "(*"; $df = ")";
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if ($type eq 'stringarray') {
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$arglist .= "$datatype**$_->{libname}, ";
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}
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else {
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$arglist .= "$datatype **$_->{libname}, ";
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}
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$argdesc .= " * \@$_->{libname}: $desc";
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}
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if ($ch || $cf) {
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$return_args .= "\n" . ' ' x 2 . "gint i;";
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}
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my $numvar = '*' . $_->{array}->{name};
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$numvar = "num_$_->{name}" if exists $_->{array}->{no_lib};
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$return_marshal .= <<NUMVAR;
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$numvar = return_vals[$numpos].data.d_$numtype;
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NUMVAR
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if ($type =~ /stringarray/) {
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$return_marshal .= <<CP;
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if ($numvar > 0)
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{
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$var = g_new0 ($datatype, $numvar + 1);
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for (i = 0; i < $numvar; i++)
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$dh$_->{name}$df\[i] = ${ch}return_vals[$argc].data.d_$type\[i]${cf};
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}
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CP
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}
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else {
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$return_marshal .= <<NEW . (($ch || $cf) ? <<CP1 : <<CP2);
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$var = g_new ($datatype, $numvar);
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NEW
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for (i = 0; i < $numvar; i++)
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$dh$_->{name}$df\[i] = ${ch}return_vals[$argc].data.d_$type\[i]${cf};
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CP1
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memcpy ($var,
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return_vals[$argc].data.d_$type,
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$numvar * sizeof ($datatype));
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CP2
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}
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$out->{headers} = "#include <string.h>\n" unless ($ch || $cf);
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}
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else {
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# The return value variable
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$var = "";
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unless (exists $_->{retval}) {
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$var .= '*';
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$arglist .= &libtype($_, 1);
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$arglist .= '*' unless exists $arg->{struct};
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$arglist .= "$_->{libname}";
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$arglist .= '_ID' if $arg->{id};
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$arglist .= ', ';
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$argdesc .= " * \@$_->{libname}";
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$argdesc .= '_ID' if $arg->{id};
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$argdesc .= ": $desc";
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}
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$var = exists $_->{retval} ? "" : '*';
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$var .= $_->{libname};
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$var .= '_ID' if $arg->{id};
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$return_marshal .= ' ' x 2 if $#outargs;
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$return_marshal .= <<CODE
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$var = ${ch}return_vals[$argc].data.d_$type${cf};
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CODE
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}
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if ($argdesc) {
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unless ($argdesc =~ /[\.\!\?]$/) { $argdesc .= '.' }
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unless ($argdesc =~ /\n$/) { $argdesc .= "\n" }
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}
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$argc++;
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}
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$return_marshal .= ' ' x 4 . "}\n" if $#outargs;
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$return_marshal .= <<'CODE';
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gimp_destroy_params (return_vals, nreturn_vals);
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CODE
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unless ($retvoid) {
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$return_marshal .= ' ' x 2 . "return $firstvar;";
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}
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else {
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$return_marshal .= ' ' x 2 . "return success;";
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}
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}
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else {
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$return_marshal = <<CODE;
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success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
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$return_marshal
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return success;
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CODE
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chop $return_marshal;
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}
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if ($arglist) {
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my @arglist = split(/, /, $arglist);
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my $longest = 0; my $seen = 0;
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foreach (@arglist) {
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/(const \w+) \S+/ || /(\w+) \S+/;
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my $len = length($1);
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my $num = scalar @{[ /\*/g ]};
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$seen = $num if $seen < $num;
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$longest = $len if $longest < $len;
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}
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$longest += $seen;
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my $once = 0; $arglist = "";
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foreach (@arglist) {
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my $space = rindex($_, ' ');
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my $len = $longest - $space + 1;
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$len -= scalar @{[ /\*/g ]};
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substr($_, $space, 1) = ' ' x $len if $space != -1 && $len > 1;
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$arglist .= "\t" if $once;
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$arglist .= $_;
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$arglist .= ",\n";
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$once++;
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}
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$arglist =~ s/,\n$//;
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}
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else {
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$arglist = "void";
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}
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$rettype = 'gboolean' if $rettype eq 'void';
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# Our function prototype for the headers
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(my $hrettype = $rettype) =~ s/ //g;
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my $proto = "$hrettype $wrapped$funcname ($arglist);\n";
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$proto =~ s/ +/ /g;
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push @{$out->{protos}}, $proto;
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my $clist = $arglist;
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my $padlen = length($wrapped) + length($funcname) + 2;
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my $padding = ' ' x $padlen;
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$clist =~ s/\t/$padding/eg;
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unless ($retdesc =~ /[\.\!\?]$/) { $retdesc .= '.' }
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if ($proc->{since}) {
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$sincedesc = "\n *\n * Since: $proc->{since}";
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}
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my $procdesc = '';
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if ($proc->{deprecated}) {
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if ($proc->{deprecated} eq 'NONE') {
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if ($proc->{blurb}) {
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$procdesc = &desc_wrap($proc->{blurb}) . "\n *\n";
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}
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if ($proc->{help}) {
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$procdesc .= &desc_wrap($proc->{help}) . "\n *\n";
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}
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$procdesc .= &desc_wrap("Deprecated: There is no replacement " .
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"for this procedure.");
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}
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else {
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my $underscores = $proc->{deprecated};
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$underscores =~ s/-/_/g;
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if ($proc->{blurb}) {
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$procdesc = &desc_wrap($proc->{blurb}) . "\n *\n";
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}
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if ($proc->{help}) {
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$procdesc .= &desc_wrap($proc->{help}) . "\n *\n";
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}
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$procdesc .= &desc_wrap("Deprecated: " .
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"Use $underscores() instead.");
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}
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}
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else {
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$procdesc = &desc_wrap($proc->{blurb}) . "\n *\n" .
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&desc_wrap($proc->{help});
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}
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$retdesc = &desc_wrap($retdesc);
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$out->{code} .= <<CODE;
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/**
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* $wrapped$funcname:
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$argdesc *
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$procdesc
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*
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$retdesc$sincedesc
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**/
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$rettype
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$wrapped$funcname ($clist)
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{
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GimpParam *return_vals;
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gint nreturn_vals;$return_args
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return_vals = gimp_run_procedure ("gimp-$proc->{canonical_name}",
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\&nreturn_vals,$argpass
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GIMP_PDB_END);
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$return_marshal
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}
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CODE
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}
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my $lgpl_top = <<'LGPL';
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/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
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*
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LGPL
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my $lgpl_bottom = <<'LGPL';
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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/* NOTE: This file is auto-generated by pdbgen.pl */
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LGPL
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# We generate two files, a _pdb.h file with prototypes for all
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# the functions we make, and a _pdb.c file for the actual implementation
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while (my($group, $out) = each %out) {
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my $hname = "${group}pdb.h";
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my $cname = "${group}pdb.c";
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if ($group ne 'gimp') {
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$hname = "gimp${hname}";
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$cname = "gimp${cname}";
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}
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$hname =~ s/_//g; $hname =~ s/pdb\./_pdb./;
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$cname =~ s/_//g; $cname =~ s/pdb\./_pdb./;
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my $hfile = "$builddir/$hname$FILE_EXT";
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my $cfile = "$builddir/$cname$FILE_EXT";
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my $extra = {};
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if (exists $main::grp{$group}->{extra}->{lib}) {
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$extra = $main::grp{$group}->{extra}->{lib}
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}
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if (exists $extra->{protos}) {
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my $proto = "";
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foreach (split(/\n/, $extra->{protos})) {
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next if /^\s*$/;
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|
|
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if (/^\t/ && length($proto)) {
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s/\s+/ /g; s/ $//; s/^ /\t/;
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$proto .= $_ . "\n";
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}
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|
else {
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|
push @{$out->{protos}}, $proto if length($proto);
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|
|
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s/\s+/ /g; s/^ //; s/ $//;
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|
$proto = $_ . "\n";
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}
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|
}
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|
}
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my @longest = (0, 0, 0); my @arglist = (); my $seen = 0;
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|
foreach (@{$out->{protos}}) {
|
|
my $arglist;
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|
|
|
if (!/^GIMP_DEPRECATED/) {
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|
my $len;
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|
|
|
$arglist = [ split(' ', $_, 3) ];
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|
|
|
if ($arglist->[1] =~ /^_/) {
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|
$arglist->[0] = "G_GNUC_INTERNAL ".$arglist->[0];
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|
}
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|
|
|
for (0..1) {
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|
$len = length($arglist->[$_]);
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|
$longest[$_] = $len if $longest[$_] < $len;
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|
}
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|
|
foreach (split(/,/, $arglist->[2])) {
|
|
next unless /(const \w+) \S+/ || /(\w+) \S+/;
|
|
$len = length($1) + 1;
|
|
my $num = scalar @{[ /\*/g ]};
|
|
$seen = $num if $seen < $num;
|
|
$longest[2] = $len if $longest[2] < $len;
|
|
}
|
|
}
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|
else {
|
|
$arglist = $_;
|
|
}
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|
|
|
push @arglist, $arglist;
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|
}
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|
|
|
$longest[2] += $seen;
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|
|
|
@{$out->{protos}} = ();
|
|
foreach (@arglist) {
|
|
my $arg;
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|
|
|
if (ref) {
|
|
my ($type, $func, $arglist) = @$_;
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|
|
|
my @args = split(/,/, $arglist); $arglist = "";
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|
|
|
foreach (@args) {
|
|
$space = rindex($_, ' ');
|
|
if ($space > 0 && substr($_, $space - 1, 1) eq ')') {
|
|
$space = rindex($_, ' ', $space - 1)
|
|
}
|
|
my $len = $longest[2] - $space + 1;
|
|
|
|
$len -= scalar @{[ /\*/g ]};
|
|
$len++ if /\t/;
|
|
|
|
if ($space != -1 && $len > 1) {
|
|
substr($_, $space, 1) = ' ' x $len;
|
|
}
|
|
|
|
$arglist .= $_;
|
|
$arglist .= "," if !/;\n$/;
|
|
}
|
|
|
|
$arg = $type;
|
|
$arg .= ' ' x ($longest[0] - length($type) + 1) . $func;
|
|
$arg .= ' ' x ($longest[1] - length($func) + 1) . $arglist;
|
|
$arg =~ s/\t/' ' x ($longest[0] + $longest[1] + 3)/eg;
|
|
}
|
|
else {
|
|
$arg = $_;
|
|
}
|
|
|
|
push @{$out->{protos}}, $arg;
|
|
}
|
|
|
|
my $body;
|
|
$body = $extra->{decls} if exists $extra->{decls};
|
|
foreach (@{$out->{protos}}) { $body .= $_ }
|
|
if ($out->{deprecated}) {
|
|
$body .= "#endif /* GIMP_DISABLE_DEPRECATED */\n";
|
|
}
|
|
chomp $body;
|
|
|
|
open HFILE, "> $hfile" or die "Can't open $hfile: $!\n";
|
|
print HFILE $lgpl_top;
|
|
print HFILE " * $hname\n";
|
|
print HFILE $lgpl_bottom;
|
|
my $guard = "__GIMP_\U$group\E_PDB_H__";
|
|
print HFILE <<HEADER;
|
|
#if !defined (__GIMP_H_INSIDE__) && !defined (GIMP_COMPILATION)
|
|
#error "Only <libgimp/gimp.h> can be included directly."
|
|
#endif
|
|
|
|
#ifndef $guard
|
|
#define $guard
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/* For information look into the C source or the html documentation */
|
|
|
|
|
|
$body
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* $guard */
|
|
HEADER
|
|
close HFILE;
|
|
&write_file($hfile, $destdir);
|
|
|
|
open CFILE, "> $cfile" or die "Can't open $cfile: $!\n";
|
|
print CFILE $lgpl_top;
|
|
print CFILE " * $cname\n";
|
|
print CFILE $lgpl_bottom;
|
|
print CFILE qq/#include "config.h"\n\n/;
|
|
print CFILE $out->{headers}, "\n" if exists $out->{headers};
|
|
print CFILE qq/#include "gimp.h"\n/;
|
|
$long_desc = &desc_wrap($main::grp{$group}->{doc_long_desc});
|
|
print CFILE <<SECTION_DOCS;
|
|
|
|
|
|
/**
|
|
* SECTION: $main::grp{$group}->{doc_title}
|
|
* \@title: $main::grp{$group}->{doc_title}
|
|
* \@short_description: $main::grp{$group}->{doc_short_desc}
|
|
*
|
|
${long_desc}
|
|
**/
|
|
|
|
SECTION_DOCS
|
|
print CFILE "\n", $extra->{code} if exists $extra->{code};
|
|
print CFILE $out->{code};
|
|
close CFILE;
|
|
&write_file($cfile, $destdir);
|
|
}
|
|
|
|
if (! $ENV{PDBGEN_GROUPS}) {
|
|
my $gimp_pdb_headers = "$builddir/gimp_pdb_headers.h$FILE_EXT";
|
|
open PFILE, "> $gimp_pdb_headers" or die "Can't open $gimp_pdb_headers: $!\n";
|
|
print PFILE $lgpl_top;
|
|
print PFILE " * gimp_pdb_headers.h\n";
|
|
print PFILE $lgpl_bottom;
|
|
my $guard = "__GIMP_PDB_HEADERS_H__";
|
|
print PFILE <<HEADER;
|
|
#if !defined (__GIMP_H_INSIDE__) && !defined (GIMP_COMPILATION)
|
|
#error "Only <libgimp/gimp.h> can be included directly."
|
|
#endif
|
|
|
|
#ifndef $guard
|
|
#define $guard
|
|
|
|
HEADER
|
|
my @groups;
|
|
foreach $group (keys %out) {
|
|
my $hname = "${group}pdb.h";
|
|
if ($group ne 'gimp') {
|
|
$hname = "gimp${hname}";
|
|
}
|
|
$hname =~ s/_//g; $hname =~ s/pdb\./_pdb./;
|
|
push @groups, $hname;
|
|
}
|
|
foreach $group (sort @groups) {
|
|
print PFILE "#include <libgimp/$group>\n";
|
|
}
|
|
print PFILE <<HEADER;
|
|
|
|
#endif /* $guard */
|
|
HEADER
|
|
close PFILE;
|
|
&write_file($gimp_pdb_headers, $destdir);
|
|
}
|
|
}
|