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#!/usr/bin/python -u # # this tests the entities substitutions with the XmlTextReader interface # import sys import libxml2 try: import StringIO str_io = StringIO.StringIO except: import io str_io = io.StringIO docstr="""<?xml version='1.0'?> <!DOCTYPE doc [ <!ENTITY tst "<p>test</p>"> ]> <doc>&tst;</doc>""" # Memory debug specific libxml2.debugMemory(1) # # First test, normal don't substitute entities. # f = str_io(docstr) input = libxml2.inputBuffer(f) reader = input.newTextReader("test_noent") ret = reader.Read() if ret != 1: print("Error reading to root") sys.exit(1) if reader.Name() == "doc" or reader.NodeType() == 10: ret = reader.Read() if ret != 1: print("Error reading to root") sys.exit(1) if reader.Name() != "doc" or reader.NodeType() != 1: print("test_normal: Error reading the root element") sys.exit(1) ret = reader.Read() if ret != 1: print("test_normal: Error reading to the entity") sys.exit(1) if reader.Name() != "tst" or reader.NodeType() != 5: print("test_normal: Error reading the entity") sys.exit(1) ret = reader.Read() if ret != 1: print("test_normal: Error reading to the end of root") sys.exit(1) if reader.Name() != "doc" or reader.NodeType() != 15: print("test_normal: Error reading the end of the root element") sys.exit(1) ret = reader.Read() if ret != 0: print("test_normal: Error detecting the end") sys.exit(1) # # Second test, completely substitute the entities. # f = str_io(docstr) input = libxml2.inputBuffer(f) reader = input.newTextReader("test_noent") reader.SetParserProp(libxml2.PARSER_SUBST_ENTITIES, 1) ret = reader.Read() if ret != 1: print("Error reading to root") sys.exit(1) if reader.Name() == "doc" or reader.NodeType() == 10: ret = reader.Read() if ret != 1: print("Error reading to root") sys.exit(1) if reader.Name() != "doc" or reader.NodeType() != 1: print("test_noent: Error reading the root element") sys.exit(1) ret = reader.Read() if ret != 1: print("test_noent: Error reading to the entity content") sys.exit(1) if reader.Name() != "p" or reader.NodeType() != 1: print("test_noent: Error reading the p element from entity") sys.exit(1) ret = reader.Read() if ret != 1: print("test_noent: Error reading to the text node") sys.exit(1) if reader.NodeType() != 3 or reader.Value() != "test": print("test_noent: Error reading the text node") sys.exit(1) ret = reader.Read() if ret != 1: print("test_noent: Error reading to the end of p element") sys.exit(1) if reader.Name() != "p" or reader.NodeType() != 15: print("test_noent: Error reading the end of the p element") sys.exit(1) ret = reader.Read() if ret != 1: print("test_noent: Error reading to the end of root") sys.exit(1) if reader.Name() != "doc" or reader.NodeType() != 15: print("test_noent: Error reading the end of the root element") sys.exit(1) ret = reader.Read() if ret != 0: print("test_noent: Error detecting the end") sys.exit(1) # # third test, crazy stuff about empty element in external parsed entities # s = """<!DOCTYPE struct [ <!ENTITY simplestruct2.ent SYSTEM "simplestruct2.ent"> ]> <struct>&simplestruct2.ent;</struct> """ expect="""10 struct 0 0 1 struct 0 0 1 descr 1 1 15 struct 0 0 """ res="" simplestruct2_ent="""<descr/>""" def myResolver(URL, ID, ctxt): if URL == "simplestruct2.ent": return(str_io(simplestruct2_ent)) return None libxml2.setEntityLoader(myResolver) input = libxml2.inputBuffer(str_io(s)) reader = input.newTextReader("test3") reader.SetParserProp(libxml2.PARSER_SUBST_ENTITIES,1) while reader.Read() == 1: res = res + "%s %s %d %d\n" % (reader.NodeType(),reader.Name(), reader.Depth(),reader.IsEmptyElement()) if res != expect: print("test3 failed: unexpected output") print(res) sys.exit(1) # # cleanup # del f del input del reader # Memory debug specific libxml2.cleanupParser() if libxml2.debugMemory(1) == 0: print("OK") else: print("Memory leak %d bytes" % (libxml2.debugMemory(1))) libxml2.dumpMemory()