ffilter.py

Go to the documentation of this file.

#
# Copyright (c) 2006 Cristian L. Vlasceanu
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom
# the Software is furnished to do so, subject to the following
# conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
# AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
# OR OTHER DEALINGS IN THE SOFTWARE.
# 
# NOTE: The above applies solely to Python source code provided 
# herein, and it DOES NOT COVER the Zero Debugger Engine and plug-ins.
#
import gtk
import zero


class ELF(object):
        def __init__(self, app, filter):
                self.filter = filter
                self.__app = app
                if filter:
                        filter.add_custom(      gtk.FILE_FILTER_FILENAME, 
                                                                self.on_filter, 
                                                                None)


        def __get_hdr(filename):
                try:
                        if filename:
                                return zero.get_elf_header(filename)
                except:
                        pass
                return None
        __get_hdr = staticmethod(__get_hdr)


        def update_preview(self, preview, filename):
                hdr = ELF.__get_hdr(filename)
                if hdr:
                        preview.set_spacing(5)
                        label = gtk.Label(
                                "%s %s %s" % (hdr.klass(), hdr.machine(), hdr.type()))
                        preview.pack_start(label, False)
                        if hdr.type() == zero.Elf_Hdr.Type.Executable:
                                frame = gtk.Frame("Command Line Arguments")
                                preview.pack_end(frame, False)
                                combo = gtk.ComboBoxEntry()
                                combo.set_size_request(300, -1)
                                frame.add(combo)
                                btn = gtk.Button("Edit En_vironment...")
                                preview.pack_end(btn, False)
                        else:
                                pass ### todo: handle core files ###
                        preview.show_all()
                        return True
                return False


        def on_filter(self, finfo, data):
                hdr = ELF.__get_hdr(finfo[0])
                if hdr:
                        type = hdr.type()
                        if (type == zero.Elf_Hdr.Type.Executable or 
                                type == zero.Elf_Hdr.Type.Core):
                                return True
                return False


        def open(self, filename):
                hdr = ELF.__get_hdr(filename)
                if hdr:
                        if hdr.type() == zero.Elf_Hdr.Type.Executable:
                                #todo: pass args, environment
                                self.__app.load_exec(filename)
                        else:
                                self.__app.load_core(filename, None)
                        return True
                return False