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88 lines
2.4 KiB
GDScript
88 lines
2.4 KiB
GDScript
###
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# This file is part of Godot XMPP Client
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# SPDX-FileCopyrightText: 2020 Wolthera van Hovell tot Westerflier <griffinvalley@gmail.com>
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#
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# SPDX-License-Identifier: MIT
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###
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extends Resource
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class_name XMPPStreamFeatures
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###
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# Parser for stream features.
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##
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@export var xml_string:String = "":
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set = parse_from_xml
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@export var parsedDictionary:Dictionary = {}
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enum FeatureReq{
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NO_FEATURE,
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NO_REQ,
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OPTIONAL,
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REQUIRED
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}
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func feature_done(feature:String):
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""" Remove the entry as it's done. """
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parsedDictionary.erase(feature)
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func parse_from_xml(xml:String):
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var parser = XMLParser.new()
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parser.open_buffer(xml.to_utf8_buffer())
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parser.read()
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parse_children(parser, parser.get_node_name())
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func parse_children(parser:XMLParser, _parent_name:String):
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parsedDictionary = {}
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while (parser.read() == OK):
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if (parser.get_node_type()== XMLParser.NODE_ELEMENT):
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var node_name = parser.get_node_name()
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if !parser.is_empty():
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match(node_name):
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"mechanisms":
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parsedDictionary[node_name] = parse_option_list(parser, node_name, "mechanism")
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"compression":
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parsedDictionary[node_name] = parse_option_list(parser, node_name, "method")
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_:
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parsedDictionary[node_name] = parse_requirement(parser, node_name)
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else:
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parsedDictionary[node_name] = FeatureReq.NO_REQ
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# else:
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# print("Unhandled xml node type: "+str(parser.get_node_type()))
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func parse_requirement(parser:XMLParser, parent_name:String):
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var required = self.FeatureReq.NO_REQ
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while (parser.read() == OK):
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if (parser.get_node_type()== XMLParser.NODE_ELEMENT):
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var node_name = parser.get_node_name()
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if parser.is_empty():
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if node_name == "required":
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return self.FeatureReq.REQUIRED
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elif node_name == "optional":
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return self.FeatureReq.OPTIONAL
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elif(parser.get_node_type()== XMLParser.NODE_ELEMENT_END):
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var node_name = parser.get_node_name()
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if node_name == parent_name:
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return required
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func parse_option_list(parser:XMLParser, parent_name:String, option_name:String):
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var options = []
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while (parser.read() == OK):
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var _result
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if (parser.get_node_type()== XMLParser.NODE_ELEMENT):
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if parser.get_node_name() == option_name:
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_result =parser.read()
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if (parser.get_node_type()== XMLParser.NODE_TEXT):
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options.append(parser.get_node_data())
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_result = parser.read()
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elif(parser.get_node_type()== XMLParser.NODE_ELEMENT_END):
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if parser.get_node_name() == parent_name:
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return options
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