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d270b6c3db
None of these are particularly significant, but they do get the CI output clean. Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
304 lines
13 KiB
Python
304 lines
13 KiB
Python
# -*- Mode: Python -*-
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# GDBus - GLib D-Bus Library
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#
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# Copyright (C) 2008-2011 Red Hat, Inc.
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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 2.1 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
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# Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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#
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# Author: David Zeuthen <davidz@redhat.com>
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import xml.parsers.expat
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from . import dbustypes
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from .utils import print_error
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class DBusXMLParser:
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STATE_TOP = "top"
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STATE_NODE = "node"
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STATE_INTERFACE = "interface"
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STATE_METHOD = "method"
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STATE_SIGNAL = "signal"
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STATE_PROPERTY = "property"
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STATE_ARG = "arg"
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STATE_ANNOTATION = "annotation"
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STATE_IGNORED = "ignored"
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def __init__(self, xml_data, h_type_implies_unix_fd=True):
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self._parser = xml.parsers.expat.ParserCreate()
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self._parser.CommentHandler = self.handle_comment
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self._parser.CharacterDataHandler = self.handle_char_data
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self._parser.StartElementHandler = self.handle_start_element
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self._parser.EndElementHandler = self.handle_end_element
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self.parsed_interfaces = []
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self._cur_object = None
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self.state = DBusXMLParser.STATE_TOP
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self.state_stack = []
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self._cur_object = None
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self._cur_object_stack = []
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self.doc_comment_last_symbol = ""
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self._h_type_implies_unix_fd = h_type_implies_unix_fd
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self._parser.Parse(xml_data)
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COMMENT_STATE_BEGIN = "begin"
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COMMENT_STATE_PARAMS = "params"
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COMMENT_STATE_BODY = "body"
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COMMENT_STATE_SKIP = "skip"
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def handle_comment(self, data):
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comment_state = DBusXMLParser.COMMENT_STATE_BEGIN
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lines = data.split("\n")
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symbol = ""
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body = ""
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in_para = False
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params = {}
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for line in lines:
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orig_line = line
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line = line.lstrip()
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if comment_state == DBusXMLParser.COMMENT_STATE_BEGIN:
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if len(line) > 0:
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colon_index = line.find(": ")
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if colon_index == -1:
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if line.endswith(":"):
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symbol = line[0 : len(line) - 1]
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comment_state = DBusXMLParser.COMMENT_STATE_PARAMS
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else:
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comment_state = DBusXMLParser.COMMENT_STATE_SKIP
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else:
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symbol = line[0:colon_index]
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rest_of_line = line[colon_index + 2 :].strip()
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if len(rest_of_line) > 0:
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body += "<para>" + rest_of_line + "</para>"
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comment_state = DBusXMLParser.COMMENT_STATE_PARAMS
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elif comment_state == DBusXMLParser.COMMENT_STATE_PARAMS:
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if line.startswith("@"):
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colon_index = line.find(": ")
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if colon_index == -1:
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comment_state = DBusXMLParser.COMMENT_STATE_BODY
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if not in_para:
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body += "<para>"
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in_para = True
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body += orig_line + "\n"
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else:
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param = line[1:colon_index]
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docs = line[colon_index + 2 :]
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params[param] = docs
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else:
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comment_state = DBusXMLParser.COMMENT_STATE_BODY
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if len(line) > 0:
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if not in_para:
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body += "<para>"
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in_para = True
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body += orig_line + "\n"
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elif comment_state == DBusXMLParser.COMMENT_STATE_BODY:
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if len(line) > 0:
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if not in_para:
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body += "<para>"
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in_para = True
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body += orig_line + "\n"
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else:
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if in_para:
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body += "</para>"
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in_para = False
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if in_para:
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body += "</para>"
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if symbol != "":
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self.doc_comment_last_symbol = symbol
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self.doc_comment_params = params
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self.doc_comment_body = body
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def handle_char_data(self, data):
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# print 'char_data=%s'%data
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pass
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def handle_start_element(self, name, attrs):
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old_state = self.state
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old_cur_object = self._cur_object
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if self.state == DBusXMLParser.STATE_IGNORED:
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self.state = DBusXMLParser.STATE_IGNORED
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elif self.state == DBusXMLParser.STATE_TOP:
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if name == DBusXMLParser.STATE_NODE:
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self.state = DBusXMLParser.STATE_NODE
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else:
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self.state = DBusXMLParser.STATE_IGNORED
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elif self.state == DBusXMLParser.STATE_NODE:
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if name == DBusXMLParser.STATE_INTERFACE:
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self.state = DBusXMLParser.STATE_INTERFACE
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iface = dbustypes.Interface(attrs["name"])
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self._cur_object = iface
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self.parsed_interfaces.append(iface)
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elif name == DBusXMLParser.STATE_ANNOTATION:
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self.state = DBusXMLParser.STATE_ANNOTATION
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anno = dbustypes.Annotation(attrs["name"], attrs["value"])
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self._cur_object.annotations.append(anno)
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self._cur_object = anno
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else:
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self.state = DBusXMLParser.STATE_IGNORED
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# assign docs, if any
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if "name" in attrs and self.doc_comment_last_symbol == attrs["name"]:
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self._cur_object.doc_string = self.doc_comment_body
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if "short_description" in self.doc_comment_params:
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short_description = self.doc_comment_params["short_description"]
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self._cur_object.doc_string_brief = short_description
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if "since" in self.doc_comment_params:
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self._cur_object.since = self.doc_comment_params["since"].strip()
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elif self.state == DBusXMLParser.STATE_INTERFACE:
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if name == DBusXMLParser.STATE_METHOD:
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self.state = DBusXMLParser.STATE_METHOD
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method = dbustypes.Method(
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attrs["name"], h_type_implies_unix_fd=self._h_type_implies_unix_fd
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)
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self._cur_object.methods.append(method)
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self._cur_object = method
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elif name == DBusXMLParser.STATE_SIGNAL:
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self.state = DBusXMLParser.STATE_SIGNAL
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signal = dbustypes.Signal(attrs["name"])
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self._cur_object.signals.append(signal)
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self._cur_object = signal
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elif name == DBusXMLParser.STATE_PROPERTY:
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self.state = DBusXMLParser.STATE_PROPERTY
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prop = dbustypes.Property(attrs["name"], attrs["type"], attrs["access"])
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self._cur_object.properties.append(prop)
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self._cur_object = prop
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elif name == DBusXMLParser.STATE_ANNOTATION:
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self.state = DBusXMLParser.STATE_ANNOTATION
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anno = dbustypes.Annotation(attrs["name"], attrs["value"])
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self._cur_object.annotations.append(anno)
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self._cur_object = anno
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else:
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self.state = DBusXMLParser.STATE_IGNORED
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# assign docs, if any
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if "name" in attrs and self.doc_comment_last_symbol == attrs["name"]:
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self._cur_object.doc_string = self.doc_comment_body
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if "since" in self.doc_comment_params:
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self._cur_object.since = self.doc_comment_params["since"].strip()
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elif self.state == DBusXMLParser.STATE_METHOD:
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if name == DBusXMLParser.STATE_ARG:
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self.state = DBusXMLParser.STATE_ARG
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arg_name = None
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if "name" in attrs:
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arg_name = attrs["name"]
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arg = dbustypes.Arg(arg_name, attrs["type"])
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direction = attrs.get("direction", "in")
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if direction == "in":
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self._cur_object.in_args.append(arg)
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elif direction == "out":
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self._cur_object.out_args.append(arg)
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else:
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print_error('Invalid direction "{}"'.format(direction))
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self._cur_object = arg
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elif name == DBusXMLParser.STATE_ANNOTATION:
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self.state = DBusXMLParser.STATE_ANNOTATION
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anno = dbustypes.Annotation(attrs["name"], attrs["value"])
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self._cur_object.annotations.append(anno)
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self._cur_object = anno
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else:
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self.state = DBusXMLParser.STATE_IGNORED
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# assign docs, if any
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if self.doc_comment_last_symbol == old_cur_object.name:
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if "name" in attrs and attrs["name"] in self.doc_comment_params:
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doc_string = self.doc_comment_params[attrs["name"]]
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if doc_string is not None:
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self._cur_object.doc_string = doc_string
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if "since" in self.doc_comment_params:
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self._cur_object.since = self.doc_comment_params[
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"since"
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].strip()
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elif self.state == DBusXMLParser.STATE_SIGNAL:
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if name == DBusXMLParser.STATE_ARG:
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self.state = DBusXMLParser.STATE_ARG
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arg_name = None
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if "name" in attrs:
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arg_name = attrs["name"]
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arg = dbustypes.Arg(arg_name, attrs["type"])
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self._cur_object.args.append(arg)
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self._cur_object = arg
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elif name == DBusXMLParser.STATE_ANNOTATION:
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self.state = DBusXMLParser.STATE_ANNOTATION
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anno = dbustypes.Annotation(attrs["name"], attrs["value"])
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self._cur_object.annotations.append(anno)
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self._cur_object = anno
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else:
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self.state = DBusXMLParser.STATE_IGNORED
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# assign docs, if any
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if self.doc_comment_last_symbol == old_cur_object.name:
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if "name" in attrs and attrs["name"] in self.doc_comment_params:
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doc_string = self.doc_comment_params[attrs["name"]]
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if doc_string is not None:
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self._cur_object.doc_string = doc_string
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if "since" in self.doc_comment_params:
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self._cur_object.since = self.doc_comment_params[
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"since"
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].strip()
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elif self.state == DBusXMLParser.STATE_PROPERTY:
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if name == DBusXMLParser.STATE_ANNOTATION:
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self.state = DBusXMLParser.STATE_ANNOTATION
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anno = dbustypes.Annotation(attrs["name"], attrs["value"])
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self._cur_object.annotations.append(anno)
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self._cur_object = anno
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else:
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self.state = DBusXMLParser.STATE_IGNORED
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elif self.state == DBusXMLParser.STATE_ARG:
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if name == DBusXMLParser.STATE_ANNOTATION:
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self.state = DBusXMLParser.STATE_ANNOTATION
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anno = dbustypes.Annotation(attrs["name"], attrs["value"])
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self._cur_object.annotations.append(anno)
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self._cur_object = anno
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else:
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self.state = DBusXMLParser.STATE_IGNORED
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elif self.state == DBusXMLParser.STATE_ANNOTATION:
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if name == DBusXMLParser.STATE_ANNOTATION:
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self.state = DBusXMLParser.STATE_ANNOTATION
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anno = dbustypes.Annotation(attrs["name"], attrs["value"])
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self._cur_object.annotations.append(anno)
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self._cur_object = anno
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else:
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self.state = DBusXMLParser.STATE_IGNORED
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else:
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print_error(
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'Unhandled state "{}" while entering element with name "{}"'.format(
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self.state, name
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)
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)
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self.state_stack.append(old_state)
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self._cur_object_stack.append(old_cur_object)
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def handle_end_element(self, name):
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self.state = self.state_stack.pop()
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self._cur_object = self._cur_object_stack.pop()
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def parse_dbus_xml(xml_data, h_type_implies_unix_fd):
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parser = DBusXMLParser(xml_data, h_type_implies_unix_fd)
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return parser.parsed_interfaces
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