From e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 10 Apr 2024 22:34:10 +0200
Subject: Adding upstream version 4.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tools/process-x11-fields.pl | 165 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100755 tools/process-x11-fields.pl

(limited to 'tools/process-x11-fields.pl')

diff --git a/tools/process-x11-fields.pl b/tools/process-x11-fields.pl
new file mode 100755
index 0000000..9b66a8d
--- /dev/null
+++ b/tools/process-x11-fields.pl
@@ -0,0 +1,165 @@
+#!/usr/bin/perl
+#
+# Script to convert "x11-fields" file, listing fields for
+# X11 dissector, into header files declaring field-index
+# values and field definitions for those fields.
+#
+# Instructions for using this script are in epan/dissectors/README.X11
+#
+# Copyright 2000, Christophe Tronche <ch.tronche[AT]computer.org>
+#
+# Wireshark - Network traffic analyzer
+# By Gerald Combs <gerald@wireshark.org>
+# Copyright 1998 Gerald Combs
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+
+use File::Spec;
+
+my $srcdir = shift;
+die "'$srcdir' is not a directory" unless -d $srcdir;
+
+open(DECL, "> $srcdir/x11-declarations.h") || die;
+open(REG, "> $srcdir/x11-register-info.h") || die;
+
+my $script_name = File::Spec->abs2rel ($0,  $srcdir);
+
+sub add_generated_header {
+    my ($out) = @_;
+
+    print $out <<eot
+/* Do not modify this file. */
+/* It was automatically generated by $script_name. */
+eot
+    ;
+
+    # Add license text
+    print $out <<eot
+/*
+ * Copyright 2000, Christophe Tronche <ch.tronche[AT]computer.org>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald[AT]wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+eot
+    ;
+}
+
+add_generated_header(DECL);
+add_generated_header(REG);
+
+$prefix = '';
+$subfieldStringLength = 0;
+
+while(<>) {
+    s/#.*$//go;
+    next if /^\s*$/o;
+    s/^(\s*)//o;
+    $subfield = $1;
+
+    if (length $subfield != $subfieldStringLength) {
+        if (!length $subfield) {
+            $prefix = '';
+        } elsif (length $subfield > $subfieldStringLength) {
+            $prefix .= "$lastAbbrev.";
+        } else {
+            $prefix =~ s/^(.*)\.[^\.]+\.$/$1./o;
+        }
+        $subfieldStringLength = length $subfield;
+    }
+
+    @fields = split /\s+/o ;
+    if ($fields[0] eq '#') {
+        #
+        # If the line begins with "#", treat it as a comment, by
+        # ignoring it.
+        #
+        # (We don't support comments at the end of a line; that would
+        # require some more pain in our simple parser.)
+        #
+        next;
+    }
+    $abbrev = shift @fields;
+    $type = shift @fields;
+    $lastAbbrev = $abbrev;
+
+    $field = $prefix.$abbrev;
+
+    if ($fields[0] =~ /^\d+$/o) {
+        #
+        # This is presumably a Boolean bitfield, and this is the number
+        # of bits in the parent field.
+        #
+        $fieldDisplay = shift @fields;
+    } else {
+        #
+        # The next token is the base for the field.
+        #
+        $fieldDisplay = "BASE_".shift @fields;
+    }
+
+    if ($fields[0] eq 'VALS') {
+        #
+        # It's an enumerated field, with the value_string table having a
+        # name based on the field's name.
+        #
+        shift @fields;
+        $fieldStrings = "VALS(${abbrev}_vals)";
+        $fieldStrings =~ s/-/_/go;
+    } elsif ($fields[0] =~ /^VALS\(/o) {
+        #
+        # It's an enumerated field, with a specified name for the
+        # value_string table.
+        #
+        $fieldStrings = shift @fields;
+        $fieldStrings =~ s/\)/_vals\)/o;
+    } else {
+        #
+        # It's not an enumerated field.
+        #
+        $fieldStrings = 'NULL';
+    }
+
+    if ($fields[0] =~ /^0x/) {
+        #
+        # The next token looks like a bitmask for a bitfield.
+        #
+        $mask = shift @fields;
+    } else {
+        $mask = 0;
+    }
+
+    $rest = join(' ', @fields);
+    $longName = uc $name;
+    $longName = $rest if ($rest);
+    # Don't allow empty blurbs
+    $longName = $longName eq "" ? "NULL" : "\"$longName\"";
+
+    $variable = $field;
+    $variable =~ s/-/_/go;
+    $variable =~ s/\./_/go;
+
+    print DECL "static int hf_x11_$variable = -1;\n";
+
+    print REG <<END;
+{ &hf_x11_$variable, { "$abbrev", "x11.$field", FT_$type, $fieldDisplay, $fieldStrings, $mask, $longName, HFILL }},
+END
+}
+
+#
+#  Editor modelines
+#
+#  Local Variables:
+#  c-basic-offset: 4
+#  tab-width: 8
+#  indent-tabs-mode: nil
+#  End:
+#
+#  ex: set shiftwidth=4 tabstop=8 expandtab:
+#  :indentSize=4:tabSize=8:noTabs=true:
+#
-- 
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