release/src/router/libxml2/python/tests/walker.py

   1 #!/usr/bin/python -u
   2 #
   3 # this tests the entities substitutions with the XmlTextReader interface
   4 #
   5 import sys
   6 import libxml2
   7
   8 # Memory debug specific
   9 libxml2.debugMemory(1)
  10
  11 result = ""
  12 def processNode(reader):
  13     global result
  14
  15     result = result + "%d %d %s %d\n" % (reader.Depth(), reader.NodeType(),
  16                            reader.Name(), reader.IsEmptyElement())
  17
  18 #
  19 # Parse a document testing the readerForxxx API
  20 #
  21 docstr="""<foo>
  22 <label>some text</label>
  23 <item>100</item>
  24 </foo>"""
  25 expect="""0 1 foo 0
  26 1 14 #text 0
  27 1 1 label 0
  28 2 3 #text 0
  29 1 15 label 0
  30 1 14 #text 0
  31 1 1 item 0
  32 2 3 #text 0
  33 1 15 item 0
  34 1 14 #text 0
  35 0 15 foo 0
  36 """
  37 result = ""
  38
  39 doc = libxml2.parseDoc(docstr)
  40 reader = doc.readerWalker();
  41 ret = reader.Read()
  42 while ret == 1:
  43     processNode(reader)
  44     ret = reader.Read()
  45
  46 if ret != 0:
  47     print("Error parsing the document test1")
  48     sys.exit(1)
  49
  50 if result != expect:
  51     print("Unexpected result for test1")
  52     print(result)
  53     sys.exit(1)
  54
  55 doc.freeDoc()
  56
  57 #
  58 # Reuse the reader for another document testing the ReaderNewWalker API
  59 #
  60 docstr="""<foo>
  61 <label>some text</label>
  62 <item>1000</item>
  63 </foo>"""
  64 expect="""0 1 foo 0
  65 1 14 #text 0
  66 1 1 label 0
  67 2 3 #text 0
  68 1 15 label 0
  69 1 14 #text 0
  70 1 1 item 0
  71 2 3 #text 0
  72 1 15 item 0
  73 1 14 #text 0
  74 0 15 foo 0
  75 """
  76 result = ""
  77
  78 doc = libxml2.parseDoc(docstr)
  79 reader.NewWalker(doc)
  80
  81 ret = reader.Read()
  82 while ret == 1:
  83     processNode(reader)
  84     ret = reader.Read()
  85
  86 if ret != 0:
  87     print("Error parsing the document test2")
  88     sys.exit(1)
  89
  90 if result != expect:
  91     print("Unexpected result for test2")
  92     print(result)
  93     sys.exit(1)
  94
  95 doc.freeDoc()
  96
  97 #
  98 # Reuse the reader for another document testing the ReaderNewxxx API
  99 #
 100 docstr="""<foo>
 101 <label>some text</label>
 102 <item>1000</item>
 103 </foo>"""
 104 expect="""0 1 foo 0
 105 1 14 #text 0
 106 1 1 label 0
 107 2 3 #text 0
 108 1 15 label 0
 109 1 14 #text 0
 110 1 1 item 0
 111 2 3 #text 0
 112 1 15 item 0
 113 1 14 #text 0
 114 0 15 foo 0
 115 """
 116 result = ""
 117
 118 reader.NewDoc(docstr, "test3", None, 0)
 119 ret = reader.Read()
 120 while ret == 1:
 121     processNode(reader)
 122     ret = reader.Read()
 123
 124 if ret != 0:
 125     print("Error parsing the document test3")
 126     sys.exit(1)
 127
 128 if result != expect:
 129     print("Unexpected result for test3")
 130     print(result)
 131     sys.exit(1)
 132
 133 #
 134 # cleanup
 135 #
 136 del reader
 137
 138 # Memory debug specific
 139 libxml2.cleanupParser()
 140 if libxml2.debugMemory(1) == 0:
 141     print("OK")
 142 else:
 143     print("Memory leak %d bytes" % (libxml2.debugMemory(1)))
 144     libxml2.dumpMemory()