cleanup the output buffer support to at least get the basic to work fixes

* python/generator.py python/libxml.c python/libxml_wrap.h:
  cleanup the output buffer support to at least get the basic
  to work
* python/tests/outbuf.py python/tests/serialize.py: fixes and
  cleanup.
* include/libxml/xmlwriter.h: cleanup
Daniel

ChangeLog

@@ -1,8 +1,16 @@
+Thu Dec  4 13:29:19 CET 2003 Daniel Veillard <daniel@veillard.com>
+
+	* python/generator.py python/libxml.c python/libxml_wrap.h:
+	  cleanup the output buffer support to at least get the basic
+	  to work
+	* python/tests/outbuf.py python/tests/serialize.py: fixes and
+	  cleanup.
+	* include/libxml/xmlwriter.h: cleanup
+
 Wed Dec  3 21:38:56 MST 2003 John Fleck <jfleck@inkstain.net>
 
 	* include/libxml/xmlversion.h.in
-	* doc/*
+	* doc/*: add WITH_TRIO comment so it shows up in the docs, rebuild
-	add WITH_TRIO comment so it shows up in the docs, rebuild
 	  docs
 
 Wed Dec  3 13:10:08 CET 2003 Daniel Veillard <daniel@veillard.com>

python/generator.py

@@ -321,6 +321,10 @@ def skip_function(name):
         return 1
     if name == "xmlTextReaderValue":
         return 1
+    if name == "xmlOutputBufferClose": # handled by by the superclass
+        return 1
+    if name == "xmlOutputBufferFlush": # handled by by the superclass
+        return 1
     return 0
 
 def print_function_wrapper(name, output, export, include):
@@ -996,7 +1000,7 @@ def buildWrappers():
 		    rlist = reference_keepers[classname]
 		    for ref in rlist:
 		        classes.write("        self.%s = None\n" % ref[1])
-		classes.write("        self._o = None\n")
+		classes.write("        self._o = _obj\n")
 		classes.write("        %s.__init__(self, _obj=_obj)\n\n" % (
 			      classes_ancestor[classname]))
 		if classes_ancestor[classname] == "xmlCore" or \

python/libxml.c

@@ -269,7 +269,7 @@ static int
 xmlPythonFileWrite (void * context, const char * buffer, int len) {
     PyObject *file;
     PyObject *string;
-    PyObject *ret;
+    PyObject *ret = NULL;
     int written = -1;
 
 #ifdef DEBUG_FILES
@@ -279,7 +279,13 @@ xmlPythonFileWrite (void * context, const char * buffer, int len) {
     if (file == NULL) return(-1);
     string = PyString_FromStringAndSize(buffer, len);
     if (string == NULL) return(-1);
-    ret = PyEval_CallMethod(file, (char *) "io_write", (char *) "(O)", string);
+    if (PyObject_HasAttrString(file, (char *) "io_write")) {
+        ret = PyEval_CallMethod(file, (char *) "io_write", (char *) "(O)",
+	                        string);
+    } else if (PyObject_HasAttrString(file, (char *) "write")) {
+        ret = PyEval_CallMethod(file, (char *) "write", (char *) "(O)",
+	                        string);
+    }
     Py_DECREF(string);
     if (ret == NULL) {
 	printf("xmlPythonFileWrite: result is NULL\n");
@@ -305,14 +311,18 @@ xmlPythonFileWrite (void * context, const char * buffer, int len) {
  */
 static int
 xmlPythonFileClose (void * context) {
-    PyObject *file, *ret;
+    PyObject *file, *ret = NULL;
 
 #ifdef DEBUG_FILES
     printf("xmlPythonFileClose\n");
 #endif
     file = (PyObject *) context;
     if (file == NULL) return(-1);
+    if (PyObject_HasAttrString(file, (char *) "io_close")) {
         ret = PyEval_CallMethod(file, (char *) "io_close", (char *) "()");
+    } else if (PyObject_HasAttrString(file, (char *) "flush")) {
+        ret = PyEval_CallMethod(file, (char *) "flush", (char *) "()");
+    }
     if (ret != NULL) {
 	Py_DECREF(ret);
     }
@@ -369,6 +379,79 @@ libxml_xmlCreateOutputBuffer(ATTRIBUTE_UNUSED PyObject *self, PyObject *args) {
     py_retval = libxml_xmlOutputBufferPtrWrap(buffer);
     return(py_retval);
 }
+
+/**
+ * libxml_outputBufferGetPythonFile:
+ * @buffer:  the I/O buffer
+ *
+ * read the Python I/O from the CObject
+ *
+ * Returns the new parser output or NULL
+ */
+static PyObject *
+libxml_outputBufferGetPythonFile(ATTRIBUTE_UNUSED PyObject *self,
+                                    PyObject *args) {
+    PyObject *buffer;
+    PyObject *file;
+    xmlOutputBufferPtr obj;
+
+    if (!PyArg_ParseTuple(args, (char *)"O:outputBufferGetPythonFile",
+			  &buffer))
+	return(NULL);
+
+    obj = PyoutputBuffer_Get(buffer);
+    if (obj == NULL) {
+	fprintf(stderr,
+	        "outputBufferGetPythonFile: obj == NULL\n");
+	Py_INCREF(Py_None);
+	return(Py_None);
+    }
+    if (obj->closecallback != xmlPythonFileClose) {
+	fprintf(stderr,
+	        "outputBufferGetPythonFile: not a python file wrapper\n");
+	Py_INCREF(Py_None);
+	return(Py_None);
+    }
+    file = (PyObject *) obj->context;
+    if (file == NULL) {
+	Py_INCREF(Py_None);
+	return(Py_None);
+    }
+    Py_INCREF(file);
+    return(file);
+}
+
+PyObject *
+libxml_xmlOutputBufferClose(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
+    PyObject *py_retval;
+    int c_retval;
+    xmlOutputBufferPtr out;
+    PyObject *pyobj_out;
+
+    if (!PyArg_ParseTuple(args, (char *)"O:xmlOutputBufferClose", &pyobj_out))
+        return(NULL);
+    out = (xmlOutputBufferPtr) PyoutputBuffer_Get(pyobj_out);
+
+    c_retval = xmlOutputBufferClose(out);
+    py_retval = libxml_intWrap((int) c_retval);
+    return(py_retval);
+}
+
+PyObject *
+libxml_xmlOutputBufferFlush(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
+    PyObject *py_retval;
+    int c_retval;
+    xmlOutputBufferPtr out;
+    PyObject *pyobj_out;
+
+    if (!PyArg_ParseTuple(args, (char *)"O:xmlOutputBufferFlush", &pyobj_out))
+        return(NULL);
+    out = (xmlOutputBufferPtr) PyoutputBuffer_Get(pyobj_out);
+
+    c_retval = xmlOutputBufferFlush(out);
+    py_retval = libxml_intWrap((int) c_retval);
+    return(py_retval);
+}
 #endif /* LIBXML_OUTPUT_ENABLED */
 
 
@@ -2793,6 +2876,9 @@ static PyMethodDef libxmlMethods[] = {
     {(char *) "serializeNode", libxml_serializeNode, METH_VARARGS, NULL},
     {(char *) "saveNodeTo", libxml_saveNodeTo, METH_VARARGS, NULL},
     {(char *) "outputBufferCreate", libxml_xmlCreateOutputBuffer, METH_VARARGS, NULL},
+    {(char *) "outputBufferGetPythonFile", libxml_outputBufferGetPythonFile, METH_VARARGS, NULL},
+    {(char *) "xmlOutputBufferClose", libxml_xmlOutputBufferClose, METH_VARARGS, NULL},
+    { (char *)"xmlOutputBufferFlush", libxml_xmlOutputBufferFlush, METH_VARARGS, NULL },
 #endif /* LIBXML_OUTPUT_ENABLED */
     {(char *) "inputBufferCreate", libxml_xmlCreateInputBuffer, METH_VARARGS, NULL},
     {(char *) "setEntityLoader", libxml_xmlSetEntityLoader, METH_VARARGS, NULL},

python/libxml2class.txt

@@ -1013,8 +1013,6 @@ Class outputBuffer(ioWriteWrapper)
     saveFormatFileTo()
 
     # functions from module xmlIO
-    close()
-    flush()
     write()
     writeString()
 Class xmlTextReaderLocator()

python/libxml_wrap.h

@@ -113,7 +113,7 @@ typedef struct {
 } PyoutputBuffer_Object;
 
 #define PyoutputBuffer_Get(v) (((v) == Py_None) ? NULL : \
-	(((PyURI_Object *)(v))->obj))
+	(((PyoutputBuffer_Object *)(v))->obj))
 
 typedef struct {
     PyObject_HEAD
@@ -121,7 +121,7 @@ typedef struct {
 } PyinputBuffer_Object;
 
 #define PyinputBuffer_Get(v) (((v) == Py_None) ? NULL : \
-	(((PyURI_Object *)(v))->obj))
+	(((PyinputBuffer_Object *)(v))->obj))
 
 typedef struct {
     PyObject_HEAD

python/tests/outbuf.py

@@ -3,8 +3,8 @@ import sys
 import libxml2
 import StringIO
 
-print "Skipped"
+#print "Skipped"
-sys.exit(1)
+#sys.exit(1)
 
 # Memory debug specific
 libxml2.debugMemory(1)
@@ -15,12 +15,12 @@ buf = libxml2.createOutputBuffer(f, "ISO-8859-1")
 buf.write(3, "foo")
 buf.writeString("bar")
 buf.close()
-del buf
 
 if f.getvalue() != "foobar":
     print "Failed to save to StringIO"
     sys.exit(1)
 
+del buf
 del f
 
 # Memory debug specific

python/tests/serialize.py

@@ -69,19 +69,19 @@ doc.freeDoc()
 #
 doc = libxml2.htmlParseDoc("""<html><head><title>Hello</title><body><p>hello</body></html>""", None)
 str = doc.serialize()
-if str != """<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+if str != """<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
 <html><head><title>Hello</title></head><body><p>hello</p></body></html>
 """:
    print "error serializing HTML document 1"
    sys.exit(1)
 str = doc.serialize("ISO-8859-1")
-if str != """<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+if str != """<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Hello</title></head><body><p>hello</p></body></html>
 """:
    print "error serializing HTML document 2"
    sys.exit(1)
 str = doc.serialize(format=1)
-if str != """<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+if str != """<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
 <html>
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
@@ -93,7 +93,7 @@ if str != """<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http
    print "error serializing HTML document 3"
    sys.exit(1)
 str = doc.serialize("iso-8859-1", 1)
-if str != """<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+if str != """<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
 <html>
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">