Port rdps from C to Python. This makes it easier to cross-compile

Wireshark on Windows. The GNU toolchain changes have not been tested.

svn path=/trunk/; revision=27704

1 files changed, 125 insertions, 0 deletions

diff --git a/rdps.py b/rdps.py
new file mode 100644
index 0000000000..4c4ac04dc9
--- /dev/null
+++ b/rdps.py
@@ -0,0 +1,125 @@
+#!/usr/bin/env python
+#
+# rdps.py
+#
+# $Id$
+# 
+# Wireshark - Network traffic analyzer
+# By Gerald Combs <gerald@wireshark.org>
+# Copyright 1998 Gerald Combs
+#
+# This program 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 program 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 program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+
+'''\
+takes the file listed as the first argument and creates the file listed
+as the second argument. It takes a PostScript file and creates a C program
+with 2 functions:
+	print_ps_preamble()
+	print_ps_finale()
+
+Ported to Python from rdps.c.
+'''
+
+import sys
+import os.path
+
+def ps_clean_string(raw_str):
+    ps_str = ''
+    for c in raw_str:
+        if c == '\\':
+            ps_str += '\\\\'
+        elif c == '%':
+            ps_str += '%%'
+        elif c == '\n':
+            ps_str += '\\n'
+        else:
+            ps_str += c
+    return ps_str
+
+def start_code(fd, func):
+    script_name = os.path.split(__file__)[-1]
+    fd.write("/* Created by %s. Do not edit! */\n" % script_name)
+    fd.write("void print_ps_%s(FILE *fd) {\n" % func)
+
+
+def write_code(fd, raw_str):
+    ps_str = ps_clean_string(raw_str)
+    fd.write("\tfprintf(fd, \"%s\");\n" % ps_str)
+
+def end_code(fd):
+    fd.write("}\n\n\n")
+
+def exit_err(msg=None):
+    if msg is not None:
+        sys.stderr.write(msg)
+    sys.exit(1)
+
+# Globals
+STATE_NULL = 'null'
+STATE_PREAMBLE = 'preamble'
+STATE_FINALE = 'finale'
+
+def main():
+    state = STATE_NULL;
+
+    if len(sys.argv) != 3:
+        exit_err("%s: input_file output_file\n", __file__)
+
+    input = open(sys.argv[1], 'r')
+    output = open(sys.argv[2], 'w')
+
+    output.write('''\
+/* Created by rdps.c. Do not edit! */
+
+#include <stdio.h>
+
+#include "ps.h"
+
+''')
+
+    for line in input.xreadlines():
+        #line = line.rstrip()
+        if state is STATE_NULL:
+            if line.startswith("% ---- wireshark preamble start ---- %"):
+                state = STATE_PREAMBLE
+                start_code(output, "preamble")
+                continue
+            elif line.startswith("% ---- wireshark finale start ---- %"):
+                state = STATE_FINALE
+                start_code(output, "finale")
+                continue
+        elif state is STATE_PREAMBLE:
+            if line.startswith("% ---- wireshark preamble end ---- %"):
+                state = STATE_NULL
+                end_code(output)
+                continue
+            else:
+                write_code(output, line)
+        elif state is STATE_FINALE:
+            if line.startswith("% ---- wireshark finale end ---- %"):
+                state = STATE_NULL
+                end_code(output)
+                continue
+            else:
+                write_code(output, line)
+        else:
+            exit_err("NO MATCH:%s", line)
+
+    sys.exit(0)
+
+if __name__ == "__main__":
+    main()
+