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fixed to point to releases of libxml2-2.6, Daniel

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This commit is contained in:
Daniel Veillard
2003-12-10 16:43:49 +00:00
parent c480c4ea56
commit 024f19966e
19 changed files with 181 additions and 181 deletions
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@ -33,7 +33,7 @@ or libxslt wrappers or bindings:</p><ul><li><a href="http://libxmlplusplus.sourc
libxml2</a> with Kylix, Delphi and other Pascal compilers.</li>
<li>Uwe Fechner also provides <a href="http://sourceforge.net/projects/idom2-pas/">idom2</a>, a DOM2
implementation for Kylix2/D5/D6 from Borland.</li>
<li>Wai-Sun &quot;Squidster&quot; Chia provides <a href="http://www.rubycolor.org/arc/redist/">bindings for Ruby</a> and
<li>Wai-Sun "Squidster" Chia provides <a href="http://www.rubycolor.org/arc/redist/">bindings for Ruby</a> and
libxml2 bindings are also available in Ruby through the <a href="http://libgdome-ruby.berlios.de/">libgdome-ruby</a> module
maintained by Tobias Peters.</li>
<li>Steve Ball and contributors maintains <a href="http://tclxml.sourceforge.net/">libxml2 and libxslt bindings for
@ -58,23 +58,23 @@ build the bindings is python/generator.py in the source distribution.</p><p>To i
<li>Otherwise use the <a href="ftp://xmlsoft.org/python/">libxml2-python
module distribution</a> corresponding to your installed version of
libxml2 and libxslt. Note that to install it you will need both libxml2
and libxslt installed and run &quot;python setup.py build install&quot; in the
and libxslt installed and run "python setup.py build install" in the
module tree.</li>
</ul><p>The distribution includes a set of examples and regression tests for the
python bindings in the <code>python/tests</code> directory. Here are some
excerpts from those tests:</p><h3>tst.py:</h3><p>This is a basic test of the file interface and DOM navigation:</p><pre>import libxml2, sys
doc = libxml2.parseFile(&quot;tst.xml&quot;)
if doc.name != &quot;tst.xml&quot;:
print &quot;doc.name failed&quot;
doc = libxml2.parseFile("tst.xml")
if doc.name != "tst.xml":
print "doc.name failed"
sys.exit(1)
root = doc.children
if root.name != &quot;doc&quot;:
print &quot;root.name failed&quot;
if root.name != "doc":
print "root.name failed"
sys.exit(1)
child = root.children
if child.name != &quot;foo&quot;:
print &quot;child.name failed&quot;
if child.name != "foo":
print "child.name failed"
sys.exit(1)
doc.freeDoc()</pre><p>The Python module is called libxml2; parseFile is the equivalent of
xmlParseFile (most of the bindings are automatically generated, and the xml
@ -101,14 +101,14 @@ def noerr(ctx, str):
libxml2.registerErrorHandler(noerr, None)
ctxt = libxml2.createFileParserCtxt(&quot;invalid.xml&quot;)
ctxt = libxml2.createFileParserCtxt("invalid.xml")
ctxt.validate(1)
ctxt.parseDocument()
doc = ctxt.doc()
valid = ctxt.isValid()
doc.freeDoc()
if valid != 0:
print &quot;validity check failed&quot;</pre><p>The first thing to notice is the call to registerErrorHandler(), it
print "validity check failed"</pre><p>The first thing to notice is the call to registerErrorHandler(), it
defines a new error handler global to the library. It is used to avoid seeing
the error messages when trying to validate the invalid document.</p><p>The main interest of that test is the creation of a parser context with
createFileParserCtxt() and how the behaviour can be changed before calling
@ -118,8 +118,8 @@ C function interfaces in terms of objects method as much as possible. The
best to get a complete view of what methods are supported is to look at the
libxml2.py module containing all the wrappers.</p><h3>push.py:</h3><p>This test show how to activate the push parser interface:</p><pre>import libxml2
ctxt = libxml2.createPushParser(None, &quot;&lt;foo&quot;, 4, &quot;test.xml&quot;)
ctxt.parseChunk(&quot;/&gt;&quot;, 2, 1)
ctxt = libxml2.createPushParser(None, "&lt;foo", 4, "test.xml")
ctxt.parseChunk("/&gt;", 2, 1)
doc = ctxt.doc()
doc.freeDoc()</pre><p>The context is created with a special call based on the
@ -129,71 +129,71 @@ the resource in case URI-References need to be computed by the parser.</p><p>The
setting the third argument terminate to 1.</p><h3>pushSAX.py:</h3><p>this test show the use of the event based parsing interfaces. In this case
the parser does not build a document, but provides callback information as
the parser makes progresses analyzing the data being provided:</p><pre>import libxml2
log = &quot;&quot;
log = ""
class callback:
def startDocument(self):
global log
log = log + &quot;startDocument:&quot;
log = log + "startDocument:"
def endDocument(self):
global log
log = log + &quot;endDocument:&quot;
log = log + "endDocument:"
def startElement(self, tag, attrs):
global log
log = log + &quot;startElement %s %s:&quot; % (tag, attrs)
log = log + "startElement %s %s:" % (tag, attrs)
def endElement(self, tag):
global log
log = log + &quot;endElement %s:&quot; % (tag)
log = log + "endElement %s:" % (tag)
def characters(self, data):
global log
log = log + &quot;characters: %s:&quot; % (data)
log = log + "characters: %s:" % (data)
def warning(self, msg):
global log
log = log + &quot;warning: %s:&quot; % (msg)
log = log + "warning: %s:" % (msg)
def error(self, msg):
global log
log = log + &quot;error: %s:&quot; % (msg)
log = log + "error: %s:" % (msg)
def fatalError(self, msg):
global log
log = log + &quot;fatalError: %s:&quot; % (msg)
log = log + "fatalError: %s:" % (msg)
handler = callback()
ctxt = libxml2.createPushParser(handler, &quot;&lt;foo&quot;, 4, &quot;test.xml&quot;)
chunk = &quot; url='tst'&gt;b&quot;
ctxt = libxml2.createPushParser(handler, "&lt;foo", 4, "test.xml")
chunk = " url='tst'&gt;b"
ctxt.parseChunk(chunk, len(chunk), 0)
chunk = &quot;ar&lt;/foo&gt;&quot;
chunk = "ar&lt;/foo&gt;"
ctxt.parseChunk(chunk, len(chunk), 1)
reference = &quot;startDocument:startElement foo {'url': 'tst'}:&quot; + \
&quot;characters: bar:endElement foo:endDocument:&quot;
reference = "startDocument:startElement foo {'url': 'tst'}:" + \
"characters: bar:endElement foo:endDocument:"
if log != reference:
print &quot;Error got: %s&quot; % log
print &quot;Expected: %s&quot; % reference</pre><p>The key object in that test is the handler, it provides a number of entry
print "Error got: %s" % log
print "Expected: %s" % reference</pre><p>The key object in that test is the handler, it provides a number of entry
points which can be called by the parser as it makes progresses to indicate
the information set obtained. The full set of callback is larger than what
the callback class in that specific example implements (see the SAX
definition for a complete list). The wrapper will only call those supplied by
the object when activated. The startElement receives the names of the element
and a dictionary containing the attributes carried by this element.</p><p>Also note that the reference string generated from the callback shows a
single character call even though the string &quot;bar&quot; is passed to the parser
single character call even though the string "bar" is passed to the parser
from 2 different call to parseChunk()</p><h3>xpath.py:</h3><p>This is a basic test of XPath wrappers support</p><pre>import libxml2
doc = libxml2.parseFile(&quot;tst.xml&quot;)
doc = libxml2.parseFile("tst.xml")
ctxt = doc.xpathNewContext()
res = ctxt.xpathEval(&quot;//*&quot;)
res = ctxt.xpathEval("//*")
if len(res) != 2:
print &quot;xpath query: wrong node set size&quot;
print "xpath query: wrong node set size"
sys.exit(1)
if res[0].name != &quot;doc&quot; or res[1].name != &quot;foo&quot;:
print &quot;xpath query: wrong node set value&quot;
if res[0].name != "doc" or res[1].name != "foo":
print "xpath query: wrong node set value"
sys.exit(1)
doc.freeDoc()
ctxt.xpathFreeContext()</pre><p>This test parses a file, then create an XPath context to evaluate XPath
@ -208,12 +208,12 @@ python:</p><pre>import libxml2
def foo(ctx, x):
return x + 1
doc = libxml2.parseFile(&quot;tst.xml&quot;)
doc = libxml2.parseFile("tst.xml")
ctxt = doc.xpathNewContext()
libxml2.registerXPathFunction(ctxt._o, &quot;foo&quot;, None, foo)
res = ctxt.xpathEval(&quot;foo(1)&quot;)
libxml2.registerXPathFunction(ctxt._o, "foo", None, foo)
res = ctxt.xpathEval("foo(1)")
if res != 2:
print &quot;xpath extension failure&quot;
print "xpath extension failure"
doc.freeDoc()
ctxt.xpathFreeContext()</pre><p>Note how the extension function is registered with the context (but that
part is not yet finalized, this may change slightly in the future).</p><h3>tstxpath.py:</h3><p>This test is similar to the previous one but shows how the extension
@ -232,9 +232,9 @@ evaluation point.</p><h3>Memory debugging:</h3><p>last but not least, all tests
libxml2.debugMemory(1)</pre><p>and ends with the following epilogue:</p><pre>#memory debug specific
libxml2.cleanupParser()
if libxml2.debugMemory(1) == 0:
print &quot;OK&quot;
print "OK"
else:
print &quot;Memory leak %d bytes&quot; % (libxml2.debugMemory(1))
print "Memory leak %d bytes" % (libxml2.debugMemory(1))
libxml2.dumpMemory()</pre><p>Those activate the memory debugging interface of libxml2 where all
allocated block in the library are tracked. The prologue then cleans up the
library state and checks that all allocated memory has been freed. If not it