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4258b9c8aa
* doc/libxml2-api.xml python/tests/reader.py: one really need to provide the base URI information when creating a reader parser from an input stream. Updated the API and the example using it. Daniel
246 lines
6.8 KiB
Python
Executable File
246 lines
6.8 KiB
Python
Executable File
#!/usr/bin/python -u
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import libxml2
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import StringIO
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import sys
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# Memory debug specific
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libxml2.debugMemory(1)
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f = StringIO.StringIO("""<a><b b1="b1"/><c>content of c</c></a>""")
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input = libxml2.inputBuffer(f)
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reader = input.newTextReader("test1")
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ret = reader.read()
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if ret != 1:
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print "Error reading to first element"
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sys.exit(1)
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if reader.name() != "a" or reader.isEmptyElement() != 0 or \
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reader.nodeType() != 1 or reader.hasAttributes() != 0:
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print "Error reading the first element"
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sys.exit(1)
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ret = reader.read()
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if ret != 1:
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print "Error reading to second element"
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sys.exit(1)
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if reader.name() != "b" or reader.isEmptyElement() != 1 or \
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reader.nodeType() != 1 or reader.hasAttributes() != 1:
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print "Error reading the second element"
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sys.exit(1)
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ret = reader.read()
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if ret != 1:
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print "Error reading to third element"
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sys.exit(1)
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if reader.name() != "c" or reader.isEmptyElement() != 0 or \
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reader.nodeType() != 1 or reader.hasAttributes() != 0:
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print "Error reading the third element"
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sys.exit(1)
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ret = reader.read()
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if ret != 1:
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print "Error reading to text node"
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sys.exit(1)
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if reader.name() != "#text" or reader.isEmptyElement() != 0 or \
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reader.nodeType() != 3 or reader.hasAttributes() != 0 or \
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reader.value() != "content of c":
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print "Error reading the text node"
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sys.exit(1)
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ret = reader.read()
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if ret != 1:
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print "Error reading to end of third element"
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sys.exit(1)
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if reader.name() != "c" or reader.isEmptyElement() != 0 or \
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reader.nodeType() != 15 or reader.hasAttributes() != 0:
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print "Error reading the end of third element"
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sys.exit(1)
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ret = reader.read()
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if ret != 1:
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print "Error reading to end of first element"
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sys.exit(1)
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if reader.name() != "a" or reader.isEmptyElement() != 0 or \
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reader.nodeType() != 15 or reader.hasAttributes() != 0:
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print "Error reading the end of first element"
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sys.exit(1)
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ret = reader.read()
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if ret != 0:
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print "Error reading to end of document"
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sys.exit(1)
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#
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# example from the XmlTextReader docs
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#
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f = StringIO.StringIO("""<test xmlns:dt="urn:datatypes" dt:type="int"/>""")
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input = libxml2.inputBuffer(f)
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reader = input.newTextReader("test2")
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ret = reader.read()
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if ret != 1:
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print "Error reading test element"
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sys.exit(1)
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if reader.getAttributeNo(0) != "urn:datatypes" or \
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reader.getAttributeNo(1) != "int" or \
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reader.getAttributeNs("type", "urn:datatypes") != "int" or \
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reader.getAttribute("dt:type") != "int":
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print "error reading test attributes"
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sys.exit(1)
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#
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# example from the XmlTextReader docs
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#
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f = StringIO.StringIO("""<root xmlns:a="urn:456">
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<item>
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<ref href="a:b"/>
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</item>
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</root>""")
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input = libxml2.inputBuffer(f)
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reader = input.newTextReader("test3")
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ret = reader.read()
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while ret == 1:
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if reader.name() == "ref":
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if reader.lookupNamespace("a") != "urn:456":
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print "error resolving namespace prefix"
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sys.exit(1)
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break
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ret = reader.read()
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if ret != 1:
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print "Error finding the ref element"
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sys.exit(1)
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#
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# Home made example for the various attribute access functions
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#
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f = StringIO.StringIO("""<testattr xmlns="urn:1" xmlns:a="urn:2" b="b" a:b="a:b"/>""")
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input = libxml2.inputBuffer(f)
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reader = input.newTextReader("test4")
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ret = reader.read()
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if ret != 1:
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print "Error reading the testattr element"
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sys.exit(1)
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#
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# Attribute exploration by index
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#
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if reader.moveToAttributeNo(0) != 1:
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print "Failed moveToAttribute(0)"
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sys.exit(1)
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if reader.value() != "urn:1":
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print "Failed to read attribute(0)"
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sys.exit(1)
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if reader.name() != "xmlns":
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print "Failed to read attribute(0) name"
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sys.exit(1)
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if reader.moveToAttributeNo(1) != 1:
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print "Failed moveToAttribute(1)"
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sys.exit(1)
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if reader.value() != "urn:2":
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print "Failed to read attribute(1)"
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sys.exit(1)
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if reader.name() != "xmlns:a":
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print "Failed to read attribute(1) name"
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sys.exit(1)
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if reader.moveToAttributeNo(2) != 1:
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print "Failed moveToAttribute(2)"
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sys.exit(1)
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if reader.value() != "b":
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print "Failed to read attribute(2)"
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sys.exit(1)
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if reader.name() != "b":
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print "Failed to read attribute(2) name"
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sys.exit(1)
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if reader.moveToAttributeNo(3) != 1:
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print "Failed moveToAttribute(3)"
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sys.exit(1)
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if reader.value() != "a:b":
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print "Failed to read attribute(3)"
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sys.exit(1)
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if reader.name() != "a:b":
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print "Failed to read attribute(3) name"
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sys.exit(1)
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#
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# Attribute exploration by name
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#
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if reader.moveToAttribute("xmlns") != 1:
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print "Failed moveToAttribute('xmlns')"
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sys.exit(1)
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if reader.value() != "urn:1":
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print "Failed to read attribute('xmlns')"
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sys.exit(1)
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if reader.moveToAttribute("xmlns:a") != 1:
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print "Failed moveToAttribute('xmlns')"
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sys.exit(1)
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if reader.value() != "urn:2":
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print "Failed to read attribute('xmlns:a')"
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sys.exit(1)
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if reader.moveToAttribute("b") != 1:
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print "Failed moveToAttribute('b')"
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sys.exit(1)
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if reader.value() != "b":
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print "Failed to read attribute('b')"
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sys.exit(1)
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if reader.moveToAttribute("a:b") != 1:
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print "Failed moveToAttribute('a:b')"
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sys.exit(1)
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if reader.value() != "a:b":
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print "Failed to read attribute('a:b')"
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sys.exit(1)
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if reader.moveToAttributeNs("b", "urn:2") != 1:
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print "Failed moveToAttribute('b', 'urn:2')"
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sys.exit(1)
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if reader.value() != "a:b":
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print "Failed to read attribute('b', 'urn:2')"
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sys.exit(1)
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#
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# Go back and read in sequence
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#
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if reader.moveToElement() != 1:
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print "Failed to move back to element"
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sys.exit(1)
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if reader.moveToFirstAttribute() != 1:
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print "Failed to move to first attribute"
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sys.exit(1)
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if reader.value() != "urn:1":
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print "Failed to read attribute(0)"
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sys.exit(1)
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if reader.name() != "xmlns":
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print "Failed to read attribute(0) name"
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sys.exit(1)
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if reader.moveToNextAttribute() != 1:
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print "Failed to move to next attribute"
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sys.exit(1)
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if reader.value() != "urn:2":
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print "Failed to read attribute(1)"
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sys.exit(1)
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if reader.name() != "xmlns:a":
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print "Failed to read attribute(1) name"
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sys.exit(1)
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if reader.moveToNextAttribute() != 1:
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print "Failed to move to next attribute"
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sys.exit(1)
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if reader.value() != "b":
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print "Failed to read attribute(2)"
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sys.exit(1)
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if reader.name() != "b":
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print "Failed to read attribute(2) name"
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sys.exit(1)
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if reader.moveToNextAttribute() != 1:
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print "Failed to move to next attribute"
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sys.exit(1)
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if reader.value() != "a:b":
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print "Failed to read attribute(3)"
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sys.exit(1)
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if reader.name() != "a:b":
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print "Failed to read attribute(3) name"
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sys.exit(1)
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if reader.moveToNextAttribute() != 0:
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print "Failed to detect last attribute"
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sys.exit(1)
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del f
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del input
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del reader
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# Memory debug specific
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libxml2.cleanupParser()
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if libxml2.debugMemory(1) == 0:
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print "OK"
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else:
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print "Memory leak %d bytes" % (libxml2.debugMemory(1))
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libxml2.dumpMemory()
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