attempst to tweak to get full memory debug... the basic API starts to work

* configure.in python/Makefile.am: attempst to tweak to get
  full memory debug...
* python/generator.py python/libxsl.py python/libxslt-python-api.xml
  python/libxslt.c python/libxslt_wrap.h python/libxsltclass.txt:
  the basic API starts to work
* python/tests/test.*: first basic test
* libxslt/xsltutils.c: fixed a comment
Daniel

python/Makefile.am

@@ -19,7 +19,7 @@ EXTRA_DIST = 			\
 	$(DOCS)
 
 if WITH_PYTHON
-all: _libxslt.so libxslt.py
+all: _libxslt.so libxslt.py $(PYTHONSODV)
 
 libxslt.py: $(srcdir)/libxsl.py libxsltclass.py
 	cat $(srcdir)/libxsl.py libxsltclass.py > libxslt.py
@@ -27,6 +27,10 @@ libxslt.py: $(srcdir)/libxsl.py libxsltclass.py
 _libxslt.so: libxslt.o libxslt-py.o types.o
 	$(CC) $(LINK_FLAGS) libxslt.o libxslt-py.o types.o $(LIBS) -o _libxslt.so
 
+_libxslt.so.dv: libxslt.o libxslt-py.o types.o
+	rm -f _libxslt.so
+	$(CC) $(LINK_FLAGS) libxslt.o libxslt-py.o types.o -L../libxslt/.libs -L../libxslt -lxslt -L../libexslt/.libs -L../libexslt -lexslt $(HOME)/XML/python/_libxml.so $(HOME)/XML/.libs/libxml2.a -o _libxslt.so
+
 install-data-local:
 	$(mkinstalldirs) $(DESTDIR)$(PYTHON_SITE_PACKAGES)
 	-@INSTALL@ -m 0644 libxslt.py $(DESTDIR)$(PYTHON_SITE_PACKAGES)

python/generator.py

@@ -265,6 +265,8 @@ py_types = {
     'htmlParserCtxt *': ('O', "parserCtxt", "xmlParserCtxtPtr", "xmlParserCtxtPtr", "libxml_"),
     'xsltTransformContextPtr':  ('O', "transformCtxt", "xsltTransformContextPtr", "xsltTransformContextPtr", "libxslt_"),
     'xsltTransformContext *':  ('O', "transformCtxt", "xsltTransformContextPtr", "xsltTransformContextPtr", "libxslt_"),
+    'xsltStylesheetPtr':  ('O', "stylesheet", "xsltStylesheetPtr", "xsltStylesheetPtr", "libxslt_"),
+    'xsltStylesheet *':  ('O', "stylesheet", "xsltStylesheetPtr", "xsltStylesheetPtr", "libxslt_"),
 }
 
 py_return_types = {
@@ -507,13 +509,13 @@ converter_type = {
     "xmlXPathObjectPtr": "xpathObjectRet(%s)",
 }
 
-primary_classes = []
+primary_classes = ["transformCtxt", "stylesheet"]
 
 classes_ancestor = {
 }
 classes_destructors = {
-    "xpathContext": "xmlXPathFreeContext",
-    "parserCtxt": "xmlFreeParserCtxt",
+    "stylesheet": "xsltFreeStylesheet",
+    "transformCtxt": "xsltFreeTransformContext",
 }
 
 function_classes = {}
@@ -607,27 +609,7 @@ for name in functions.keys():
     for type in ctypes:
         classe = classes_type[type][2]
 
-	if name[0:3] == "xml" and len(args) >= 1 and args[0][1] == type:
-	    found = 1
-	    func = nameFixup(name, classe, type, file)
-	    info = (0, func, name, ret, args, file)
-	    function_classes[classe].append(info)
-	elif name[0:3] == "xml" and len(args) >= 2 and args[1][1] == type:
-	    found = 1
-	    func = nameFixup(name, classe, type, file)
-	    info = (1, func, name, ret, args, file)
-	    function_classes[classe].append(info)
-	elif name[0:4] == "html" and len(args) >= 1 and args[0][1] == type:
-	    found = 1
-	    func = nameFixup(name, classe, type, file)
-	    info = (0, func, name, ret, args, file)
-	    function_classes[classe].append(info)
-	elif name[0:4] == "html" and len(args) >= 2 and args[1][1] == type:
-	    found = 1
-	    func = nameFixup(name, classe, type, file)
-	    info = (1, func, name, ret, args, file)
-	    function_classes[classe].append(info)
-	elif name[0:4] == "xslt" and len(args) >= 1 and args[0][1] == type:
+	if name[0:4] == "xslt" and len(args) >= 1 and args[0][1] == type:
 	    found = 1
 	    func = nameFixup(name, classe, type, file)
 	    info = (0, func, name, ret, args, file)
@@ -637,6 +619,11 @@ for name in functions.keys():
 	    func = nameFixup(name, classe, type, file)
 	    info = (1, func, name, ret, args, file)
 	    function_classes[classe].append(info)
+	elif name[0:4] == "xslt" and len(args) >= 3 and args[2][1] == type:
+	    found = 1
+	    func = nameFixup(name, classe, type, file)
+	    info = (2, func, name, ret, args, file)
+	    function_classes[classe].append(info)
 	if found == 1:
 	    break
     if found == 1:

python/libxsl.py

@@ -1,4 +1,4 @@
-import libxml2
+from libxml2 import *
 import _libxslt
 
 #

python/libxslt-python-api.xml

@@ -5,6 +5,13 @@
     </file>
   </files>
   <symbols>
+    <function name='xsltApplyStylesheet' file='python'>
+      <info>Apply the stylesheet to the document</info>
+      <return type='xmlDocPtr' info="the result document or NULL in case of error"/>
+      <arg name='style' type='xsltStylesheetPtr' info='a parsed XSLT stylesheet'/>
+      <arg name='doc' type='xmlDocPtr' info='a parsed XML document'/>
+      <arg name='params' type='pythonObject' info='the parameters dictionnary'/>
+    </function>
   <!--
     <function name='xsltRegisterXPathFunction' file='python'>
       <info>Register a Python written function to the XPath interpreter</info>

python/libxslt.c

@@ -20,6 +20,42 @@
 /* #define DEBUG_ERROR */
 /* #define DEBUG_MEMORY */
 
+/************************************************************************
+ *									*
+ *			Per type specific glue				*
+ *									*
+ ************************************************************************/
+
+PyObject *
+libxslt_xsltStylesheetPtrWrap(xsltStylesheetPtr style) {
+    PyObject *ret;
+
+#ifdef DEBUG
+    printf("libxslt_xsltStylesheetPtrWrap: style = %p\n", style);
+#endif
+    if (style == NULL) {
+	Py_INCREF(Py_None);
+	return(Py_None);
+    }
+    ret = PyCObject_FromVoidPtrAndDesc((void *) style, "xsltStylesheetPtr", NULL);
+    return(ret);
+}
+
+PyObject *
+libxslt_xsltTransformContextPtrWrap(xsltTransformContextPtr ctxt) {
+    PyObject *ret;
+
+#ifdef DEBUG
+    printf("libxslt_xsltTransformContextPtrWrap: ctxt = %p\n", ctxt);
+#endif
+    if (ctxt == NULL) {
+	Py_INCREF(Py_None);
+	return(Py_None);
+    }
+    ret = PyCObject_FromVoidPtrAndDesc((void *) ctxt, "xsltTransformContextPtr", NULL);
+    return(ret);
+}
+
 /************************************************************************
  *									*
  *		Memory debug interface					*
@@ -105,6 +141,40 @@ libxslt_xmlDumpMemory(PyObject *self, PyObject *args) {
     return(Py_None);
 }
 
+/************************************************************************
+ *									*
+ *			Some customized front-ends			*
+ *									*
+ ************************************************************************/
+
+PyObject *
+libxslt_xsltApplyStylesheet(PyObject *self, PyObject *args) {
+    PyObject *py_retval;
+    xmlDocPtr c_retval;
+    xsltStylesheetPtr style;
+    PyObject *pyobj_style;
+    xmlDocPtr doc;
+    PyObject *pyobj_doc;
+    PyObject *pyobj_params;
+    char **params;
+
+    if (!PyArg_ParseTuple(args, "OOO:xsltApplyStylesheet", &pyobj_style, &pyobj_doc, &pyobj_params))
+        return(NULL);
+
+    if (pyobj_params != Py_None) {
+	printf("libxslt_xsltApplyStylesheet: parameters not yet supported\n");
+	Py_INCREF(Py_None);
+	return(Py_None);
+    } else {
+	params = NULL;
+    }
+    style = (xsltStylesheetPtr) Pystylesheet_Get(pyobj_style);
+    doc = (xmlDocPtr) PyxmlNode_Get(pyobj_doc);
+
+    c_retval = xsltApplyStylesheet(style, doc, params);
+    py_retval = libxml_xmlDocPtrWrap((xmlDocPtr) c_retval);
+    return(py_retval);
+}
 
 /************************************************************************
  *									*

python/libxslt_wrap.h

@@ -34,5 +34,5 @@ typedef struct {
     xsltTransformContextPtr obj;
 } PytransformCtxt_Object;
 
-PyObject * libxslt_xsltTransformContextPtr(xsltTransformContextPtr ctxt);
-PyObject * libxslt_xsltStylesheetPtr(xsltStylesheetPtr ctxt);
+PyObject * libxslt_xsltStylesheetPtrWrap(xsltStylesheetPtr ctxt);
+PyObject * libxslt_xsltTransformContextPtrWrap(xsltTransformContextPtr ctxt);

python/libxsltclass.txt

@@ -27,6 +27,9 @@ cleanupGlobals()
 
 # functions from module xsltInternals
 isBlank()
+loadStylesheetPI()
+newStylesheet()
+parseStylesheetDoc()
 
 # functions from module xsltutils
 calibrateAdjust()
@@ -90,4 +93,59 @@ Class transformCtxt()
 
     # functions from module xsltutils
     message()
+    printErrorContext()
 Class stylesheet()
+
+    # functions from module attributes
+    freeAttributeSetsHashes()
+    parseStylesheetAttributeSet()
+
+    # functions from module documents
+    freeStyleDocuments()
+
+    # functions from module extensions
+    checkExtPrefix()
+    freeExts()
+    registerExtPrefix()
+    shutdownExts()
+
+    # functions from module imports
+    nextImport()
+    parseStylesheetImport()
+    parseStylesheetInclude()
+
+    # functions from module keys
+    addKey()
+    freeKeys()
+
+    # functions from module namespaces
+    freeNamespaceAliasHashes()
+    namespaceAlias()
+
+    # functions from module pattern
+    cleanupTemplates()
+    freeTemplateHashes()
+
+    # functions from module preproc
+    freeStylePreComps()
+    stylePreCompute()
+
+    # functions from module python
+    applyStylesheet()
+
+    # functions from module transform
+    newTransformContext()
+
+    # functions from module variables
+    parseGlobalParam()
+    parseGlobalVariable()
+
+    # functions from module xsltInternals
+    freeStylesheet()
+    parseStylesheetOutput()
+    parseStylesheetProcess()
+    parseTemplateContent()
+
+    # functions from module xsltutils
+    saveResultToFd()
+    saveResultToFilename()

python/tests/test.py

@@ -0,0 +1,9 @@
+#!/usr/bin/python -u
+import libxml2
+import libxslt
+
+styledoc = libxml2.parseFile("test.xsl")
+style = libxslt.parseStylesheetDoc(styledoc)
+doc = libxml2.parseFile("test.xml")
+result = style.applyStylesheet(doc, None)
+result.saveFile("-")

python/tests/test.xml

@@ -0,0 +1 @@
+<test/>

python/tests/test.xsl

@@ -0,0 +1,9 @@
+<xsl:stylesheet version="1.0"
+  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+
+  <xsl:template match="/">
+    <article>
+      <title>Hello World</title>
+    </article>
+  </xsl:template>
+</xsl:stylesheet>