Misc/xml: Add new XML fasttrack

Add new miscellaneous section with an XML fasttrack. Coding samples are
located in misc/samples/.

Signed-off-by: Holger Dengler <dengler@linutronix.de>

1 files changed, 109 insertions, 0 deletions

diff --git a/misc/samples/xml_sax.c b/misc/samples/xml_sax.c
new file mode 100644
index 0000000..b586a21
--- /dev/null
+++ b/misc/samples/xml_sax.c
@@ -0,0 +1,109 @@
+/*
+ * Simple SAX example
+ */
+
+#include <string.h>
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+
+static int cb_total = 0;
+
+/*
+ * Callback implementations
+ */
+static void
+cb_start_document(void *ctx ATTRIBUTE_UNUSED)
+{
+	cb_total++;
+	fprintf(stdout, "SAX.startDocument()\n");
+}
+
+static void
+cb_end_document(void *ctx ATTRIBUTE_UNUSED)
+{
+	cb_total++;
+	fprintf(stdout, "SAX.endDocument()\n");
+}
+
+static void
+cb_start_element(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name, const xmlChar **atts)
+{
+	int i;
+
+	cb_total++;
+	fprintf(stdout, "SAX.startElement(%s", (char *) name);
+	if (atts != NULL) {
+		for (i = 0;(atts[i] != NULL);i++) {
+			fprintf(stdout, ", %s='", atts[i++]);
+			if (atts[i] != NULL)
+				fprintf(stdout, "%s'", atts[i]);
+		}
+	}
+	fprintf(stdout, ")\n");
+}
+
+static void
+cb_end_element(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name)
+{
+	cb_total++;
+	fprintf(stdout, "SAX.endElement(%s)\n", (char *) name);
+}
+
+static void
+cb_characters(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch, int len)
+{
+	char output[40];
+	int i;
+
+	cb_total++;
+	for (i = 0;(i<len) && (i < 30);i++)
+		output[i] = ch[i];
+	output[i] = 0;
+
+	fprintf(stdout, "SAX.characters(%s, %d)\n", output, len);
+}
+
+static void
+cb_comment(void *ctx ATTRIBUTE_UNUSED, const xmlChar *value)
+{
+	cb_total++;
+	fprintf(stdout, "SAX.comment(%s)\n", value);
+}
+
+/*
+ * Define callback struct
+ */
+xmlSAXHandler debugSAXHandlerStruct = {
+	NULL, NULL, NULL, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL,
+	cb_start_document,
+	cb_end_document,
+	cb_start_element,
+	cb_end_element,
+	NULL,
+	cb_characters,
+	NULL, NULL,
+	cb_comment,
+	NULL, NULL, NULL, NULL, NULL, NULL,
+	1
+};
+xmlSAXHandlerPtr debugSAXHandler = &debugSAXHandlerStruct;
+
+int main(int argc, char **argv) {
+	int rc;
+
+	if (argc != 2)
+		return 1;
+
+	cb_total = 0;
+	rc = xmlSAXUserParseFile(debugSAXHandler, NULL, argv[1]);
+	if (rc)
+		fprintf(stdout, "xmlSAXUserParseFile returned error %d\n", rc);
+
+	fprintf(stdout, "\ncallback calls: %d\n", cb_total);
+
+	xmlCleanupParser();
+	xmlMemoryDump();
+
+	return(0);
+}