Working on backend XML parser

3 files changed, 143 insertions, 0 deletions

diff --git a/backend/BACKEND b/backend/BACKEND
new file mode 120000
index 0000000..acd4bc7
--- /dev/null
+++ b/backend/BACKEND
@@ -0,0 +1 @@
+../docs/BACKEND
\ No newline at end of file
diff --git a/backend/tour_menuobject.py b/backend/tour_menuobject.py
new file mode 100644
index 0000000..42d7ca6
--- /dev/null
+++ b/backend/tour_menuobject.py
@@ -0,0 +1,71 @@
+# -*- coding: utf-8 -*-
+#
+# This file is a part of Fedora-tour http://fedoraproject.org/wiki/Fedora-tour
+#
+# Copyright (c) 2009 Ryan Rix and Ankur Sinha
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+import io
+import os.path
+import xml.parsers.expat
+
+class MenuNode:
+	parent = 0
+
+class MenuObject:
+	isValid = True;
+	currenElement = False;
+	rootNode = False;
+	activeNode = False;
+	
+	def __init__(self,package):
+		if not os.path.isfile(package):
+			self.isValid = False
+			return None
+			
+		self.parser = xml.parsers.expat.ParserCreate()
+		self.parser.CharacterDataHandler = self.parserCharData
+		self.parser.StartElementHandler = self.parserStartElement
+		self.parser.EndElementHandler = self.parserEndElement
+		
+		self.parser.ParseFile(open(package,"r"))
+	
+	def addNode(self,parent):
+		node = MenuNode()
+		
+		if parent != False:
+			node.parent = parent
+			parent.nodes.append(node)
+			
+		
+		return node
+	
+	def parserCharData(self, data):
+		if self.currenElement == False:
+			pass
+			
+	def parserStartElement(self, name, attrs):
+		if name == "Package":
+			self.rootNode = self.addNode(False)
+			self.currentElement = "Package"
+		
+		elif name == "Page":
+			self.activeNode = self.addNode(activeNode)
+			self.currentElement = "Page"
+		
+	def parserEndElement(self, name):
+		print name
+		
+print MenuObject("../data/package.xml").isValid
\ No newline at end of file
diff --git a/backend/tour_menuobject.py~ b/backend/tour_menuobject.py~
new file mode 100644
index 0000000..f72ffab
--- /dev/null
+++ b/backend/tour_menuobject.py~
@@ -0,0 +1,71 @@
+# -*- coding: utf-8 -*-
+#
+# This file is a part of Fedora-tour http://fedoraproject.org/wiki/Fedora-tour
+#
+# Copyright (c) 2009 Ryan Rix and Ankur Sinha
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+import io
+import os.path
+import xml.parsers.expat
+
+class MenuNode:
+	parent = 0
+
+class MenuObject:
+	isValid = True;
+	currenElement = False;
+	rootNode = False;
+	activeNode = False;
+	
+	def __init__(self,package):
+		if not os.path.isfile(package):
+			self.isValid = False
+			return None
+			
+		self.parser = xml.parsers.expat.ParserCreate()
+		self.parser.CharacterDataHandler = self.parserCharData
+		self.parser.StartElementHandler = self.parserStartElement
+		self.parser.EndElementHandler = self.parserEndElement
+		
+		self.parser.ParseFile(open(package,"r"))
+	
+	def addNode(self,parent):
+		node = MenuNode()
+		
+		if parent = False:
+			node.parent = parent
+			parent.nodes.append(node)
+			
+		
+		return node
+	
+	def parserCharData(self, data):
+		if self.currenElement == False:
+			pass
+			
+	def parserStartElement(self, name, attrs):
+		if name == "Package":
+			self.rootNode = self.addNode(False)
+			self.currentElement = "Package"
+		
+		elif name == "Page":
+			self.activeNode = self.addNode(activeNode)
+			self.currentElement = "Page"
+		
+	def parserEndElement(self, name):
+		print name
+		
+print MenuObject("../data/package.xml").isValid
\ No newline at end of file