| #!/usr/bin/python -u |
| # |
| # this tests the basic APIs of the XmlTextReader interface |
| # |
| import libxml2 |
| import StringIO |
| import sys |
| |
| # Memory debug specific |
| libxml2.debugMemory(1) |
| |
| f = StringIO.StringIO("""<a><b b1="b1"/><c>content of c</c></a>""") |
| input = libxml2.inputBuffer(f) |
| reader = input.newTextReader("test1") |
| ret = reader.Read() |
| if ret != 1: |
| print "Error reading to first element" |
| sys.exit(1) |
| if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \ |
| reader.NodeType() != 1 or reader.HasAttributes() != 0: |
| print "Error reading the first element" |
| sys.exit(1) |
| ret = reader.Read() |
| if ret != 1: |
| print "Error reading to second element" |
| sys.exit(1) |
| if reader.Name() != "b" or reader.IsEmptyElement() != 1 or \ |
| reader.NodeType() != 1 or reader.HasAttributes() != 1: |
| print "Error reading the second element" |
| sys.exit(1) |
| ret = reader.Read() |
| if ret != 1: |
| print "Error reading to third element" |
| sys.exit(1) |
| if reader.Name() != "c" or reader.IsEmptyElement() != 0 or \ |
| reader.NodeType() != 1 or reader.HasAttributes() != 0: |
| print "Error reading the third element" |
| sys.exit(1) |
| ret = reader.Read() |
| if ret != 1: |
| print "Error reading to text node" |
| sys.exit(1) |
| if reader.Name() != "#text" or reader.IsEmptyElement() != 0 or \ |
| reader.NodeType() != 3 or reader.HasAttributes() != 0 or \ |
| reader.Value() != "content of c": |
| print "Error reading the text node" |
| sys.exit(1) |
| ret = reader.Read() |
| if ret != 1: |
| print "Error reading to end of third element" |
| sys.exit(1) |
| if reader.Name() != "c" or reader.IsEmptyElement() != 0 or \ |
| reader.NodeType() != 15 or reader.HasAttributes() != 0: |
| print "Error reading the end of third element" |
| sys.exit(1) |
| ret = reader.Read() |
| if ret != 1: |
| print "Error reading to end of first element" |
| sys.exit(1) |
| if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \ |
| reader.NodeType() != 15 or reader.HasAttributes() != 0: |
| print "Error reading the end of first element" |
| sys.exit(1) |
| ret = reader.Read() |
| if ret != 0: |
| print "Error reading to end of document" |
| sys.exit(1) |
| |
| # |
| # example from the XmlTextReader docs |
| # |
| f = StringIO.StringIO("""<test xmlns:dt="urn:datatypes" dt:type="int"/>""") |
| input = libxml2.inputBuffer(f) |
| reader = input.newTextReader("test2") |
| |
| ret = reader.Read() |
| if ret != 1: |
| print "Error reading test element" |
| sys.exit(1) |
| if reader.GetAttributeNo(0) != "urn:datatypes" or \ |
| reader.GetAttributeNo(1) != "int" or \ |
| reader.GetAttributeNs("type", "urn:datatypes") != "int" or \ |
| reader.GetAttribute("dt:type") != "int": |
| print "error reading test attributes" |
| sys.exit(1) |
| |
| # |
| # example from the XmlTextReader docs |
| # |
| f = StringIO.StringIO("""<root xmlns:a="urn:456"> |
| <item> |
| <ref href="a:b"/> |
| </item> |
| </root>""") |
| input = libxml2.inputBuffer(f) |
| reader = input.newTextReader("test3") |
| |
| ret = reader.Read() |
| while ret == 1: |
| if reader.Name() == "ref": |
| if reader.LookupNamespace("a") != "urn:456": |
| print "error resolving namespace prefix" |
| sys.exit(1) |
| break |
| ret = reader.Read() |
| if ret != 1: |
| print "Error finding the ref element" |
| sys.exit(1) |
| |
| # |
| # Home made example for the various attribute access functions |
| # |
| f = StringIO.StringIO("""<testattr xmlns="urn:1" xmlns:a="urn:2" b="b" a:b="a:b"/>""") |
| input = libxml2.inputBuffer(f) |
| reader = input.newTextReader("test4") |
| ret = reader.Read() |
| if ret != 1: |
| print "Error reading the testattr element" |
| sys.exit(1) |
| # |
| # Attribute exploration by index |
| # |
| if reader.MoveToAttributeNo(0) != 1: |
| print "Failed moveToAttribute(0)" |
| sys.exit(1) |
| if reader.Value() != "urn:1": |
| print "Failed to read attribute(0)" |
| sys.exit(1) |
| if reader.Name() != "xmlns": |
| print "Failed to read attribute(0) name" |
| sys.exit(1) |
| if reader.MoveToAttributeNo(1) != 1: |
| print "Failed moveToAttribute(1)" |
| sys.exit(1) |
| if reader.Value() != "urn:2": |
| print "Failed to read attribute(1)" |
| sys.exit(1) |
| if reader.Name() != "xmlns:a": |
| print "Failed to read attribute(1) name" |
| sys.exit(1) |
| if reader.MoveToAttributeNo(2) != 1: |
| print "Failed moveToAttribute(2)" |
| sys.exit(1) |
| if reader.Value() != "b": |
| print "Failed to read attribute(2)" |
| sys.exit(1) |
| if reader.Name() != "b": |
| print "Failed to read attribute(2) name" |
| sys.exit(1) |
| if reader.MoveToAttributeNo(3) != 1: |
| print "Failed moveToAttribute(3)" |
| sys.exit(1) |
| if reader.Value() != "a:b": |
| print "Failed to read attribute(3)" |
| sys.exit(1) |
| if reader.Name() != "a:b": |
| print "Failed to read attribute(3) name" |
| sys.exit(1) |
| # |
| # Attribute exploration by name |
| # |
| if reader.MoveToAttribute("xmlns") != 1: |
| print "Failed moveToAttribute('xmlns')" |
| sys.exit(1) |
| if reader.Value() != "urn:1": |
| print "Failed to read attribute('xmlns')" |
| sys.exit(1) |
| if reader.MoveToAttribute("xmlns:a") != 1: |
| print "Failed moveToAttribute('xmlns')" |
| sys.exit(1) |
| if reader.Value() != "urn:2": |
| print "Failed to read attribute('xmlns:a')" |
| sys.exit(1) |
| if reader.MoveToAttribute("b") != 1: |
| print "Failed moveToAttribute('b')" |
| sys.exit(1) |
| if reader.Value() != "b": |
| print "Failed to read attribute('b')" |
| sys.exit(1) |
| if reader.MoveToAttribute("a:b") != 1: |
| print "Failed moveToAttribute('a:b')" |
| sys.exit(1) |
| if reader.Value() != "a:b": |
| print "Failed to read attribute('a:b')" |
| sys.exit(1) |
| if reader.MoveToAttributeNs("b", "urn:2") != 1: |
| print "Failed moveToAttribute('b', 'urn:2')" |
| sys.exit(1) |
| if reader.Value() != "a:b": |
| print "Failed to read attribute('b', 'urn:2')" |
| sys.exit(1) |
| # |
| # Go back and read in sequence |
| # |
| if reader.MoveToElement() != 1: |
| print "Failed to move back to element" |
| sys.exit(1) |
| if reader.MoveToFirstAttribute() != 1: |
| print "Failed to move to first attribute" |
| sys.exit(1) |
| if reader.Value() != "urn:1": |
| print "Failed to read attribute(0)" |
| sys.exit(1) |
| if reader.Name() != "xmlns": |
| print "Failed to read attribute(0) name" |
| sys.exit(1) |
| if reader.MoveToNextAttribute() != 1: |
| print "Failed to move to next attribute" |
| sys.exit(1) |
| if reader.Value() != "urn:2": |
| print "Failed to read attribute(1)" |
| sys.exit(1) |
| if reader.Name() != "xmlns:a": |
| print "Failed to read attribute(1) name" |
| sys.exit(1) |
| if reader.MoveToNextAttribute() != 1: |
| print "Failed to move to next attribute" |
| sys.exit(1) |
| if reader.Value() != "b": |
| print "Failed to read attribute(2)" |
| sys.exit(1) |
| if reader.Name() != "b": |
| print "Failed to read attribute(2) name" |
| sys.exit(1) |
| if reader.MoveToNextAttribute() != 1: |
| print "Failed to move to next attribute" |
| sys.exit(1) |
| if reader.Value() != "a:b": |
| print "Failed to read attribute(3)" |
| sys.exit(1) |
| if reader.Name() != "a:b": |
| print "Failed to read attribute(3) name" |
| sys.exit(1) |
| if reader.MoveToNextAttribute() != 0: |
| print "Failed to detect last attribute" |
| sys.exit(1) |
| |
| 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() |