gstreamer/subprojects/gst-devtools/debug-viewer/GstDebugViewer/GUI/filters.py

115 lines
3.3 KiB
Python

# -*- coding: utf-8; mode: python; -*-
#
# GStreamer Debug Viewer - View and analyze GStreamer debug log files
#
# Copyright (C) 2007 René Stadler <mail@renestadler.de>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
"""GStreamer Debug Viewer GUI module."""
from GstDebugViewer.GUI.models import LogModelBase
def get_comparison_function(all_but_this):
if (all_but_this):
return lambda x, y: x == y
else:
return lambda x, y: x != y
class Filter (object):
pass
class DebugLevelFilter (Filter):
only_this, all_but_this, this_and_above = range(3)
def __init__(self, debug_level, mode=0):
col_id = LogModelBase.COL_LEVEL
if mode == self.this_and_above:
def comparison_function(x, y):
return x < y
else:
comparison_function = get_comparison_function(
mode == self.all_but_this)
def filter_func(row):
return comparison_function(row[col_id], debug_level)
self.filter_func = filter_func
class CategoryFilter (Filter):
def __init__(self, category, all_but_this=False):
col_id = LogModelBase.COL_CATEGORY
comparison_function = get_comparison_function(all_but_this)
def category_filter_func(row):
return comparison_function(row[col_id], category)
self.filter_func = category_filter_func
class ObjectFilter (Filter):
def __init__(self, object_, all_but_this=False):
col_id = LogModelBase.COL_OBJECT
comparison_function = get_comparison_function(all_but_this)
def object_filter_func(row):
return comparison_function(row[col_id], object_)
self.filter_func = object_filter_func
class FunctionFilter (Filter):
def __init__(self, function_, all_but_this=False):
col_id = LogModelBase.COL_FUNCTION
comparison_function = get_comparison_function(all_but_this)
def function_filter_func(row):
return comparison_function(row[col_id], function_)
self.filter_func = function_filter_func
class ThreadFilter (Filter):
def __init__(self, thread_, all_but_this=False):
col_id = LogModelBase.COL_THREAD
comparison_function = get_comparison_function(all_but_this)
def thread_filter_func(row):
return comparison_function(row[col_id], thread_)
self.filter_func = thread_filter_func
class FilenameFilter (Filter):
def __init__(self, filename, all_but_this=False):
col_id = LogModelBase.COL_FILENAME
comparison_function = get_comparison_function(all_but_this)
def filename_filter_func(row):
return comparison_function(row[col_id], filename)
self.filter_func = filename_filter_func