From 494b16d6fbd565225e4f9ddaf2b813b520271753 Mon Sep 17 00:00:00 2001
From: Holger Dengler <dengler@linutronix.de>
Date: Mon, 22 Oct 2012 17:05:03 +0200
Subject: 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>
---
 misc/samples/.gitignore    |   2 +
 misc/samples/Makefile      |  10 +++++
 misc/samples/xml_dom.c     |  55 +++++++++++++++++++++++
 misc/samples/xml_full.xml  |  24 ++++++++++
 misc/samples/xml_sax.c     | 109 +++++++++++++++++++++++++++++++++++++++++++++
 misc/samples/xml_small.xml |  14 ++++++
 6 files changed, 214 insertions(+)
 create mode 100644 misc/samples/.gitignore
 create mode 100644 misc/samples/Makefile
 create mode 100644 misc/samples/xml_dom.c
 create mode 100644 misc/samples/xml_full.xml
 create mode 100644 misc/samples/xml_sax.c
 create mode 100644 misc/samples/xml_small.xml

(limited to 'misc/samples')

diff --git a/misc/samples/.gitignore b/misc/samples/.gitignore
new file mode 100644
index 0000000..805c89c
--- /dev/null
+++ b/misc/samples/.gitignore
@@ -0,0 +1,2 @@
+xml_dom
+xml_sax
diff --git a/misc/samples/Makefile b/misc/samples/Makefile
new file mode 100644
index 0000000..cd411f2
--- /dev/null
+++ b/misc/samples/Makefile
@@ -0,0 +1,10 @@
+XML_TARGETS=xml_dom xml_sax
+XML_CFLAGS=$(shell xml2-config --cflags)
+
+all: $(XML_TARGETS)
+
+%: %.c
+	$(CC) $(XML_CFLAGS) -g -O0 -l xml2 -o $@ $^
+
+clean:
+	rm -r $(XML_TARGETS)
diff --git a/misc/samples/xml_dom.c b/misc/samples/xml_dom.c
new file mode 100644
index 0000000..66166dd
--- /dev/null
+++ b/misc/samples/xml_dom.c
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+
+static void print_element_names(xmlNode *);
+
+int main(int argc, char **argv) {
+	xmlDocPtr my_doc = NULL;
+	xmlNode *root_element = NULL;
+	char *filename;
+	int rc = 1;
+
+	if (argc != 2) {
+		rc = 1;
+		goto out;
+	}
+	filename = argv[1];
+
+	/* ABI checking (opt.) */
+	LIBXML_TEST_VERSION
+
+	my_doc = xmlReadFile(filename, NULL, 0);
+	if (!my_doc) {
+		rc = 1;
+		goto out_cleanup;
+	}
+
+	/*Get the root element node */
+	root_element = xmlDocGetRootElement(my_doc);
+
+	print_element_names(root_element);
+
+	rc = 0;
+out_freedoc:
+	/* Free parsed DOM tree */
+	xmlFreeDoc(my_doc);
+out_cleanup:
+	/* Cleanup function for the XML library */
+	xmlCleanupParser();
+out:
+	return(rc);
+}
+
+static void print_element_names(xmlNode * a_node)
+{
+	xmlNode *cur_node = NULL;
+
+	for (cur_node = a_node; cur_node; cur_node = cur_node->next) {
+		if (cur_node->type == XML_ELEMENT_NODE) {
+			printf("node type: Element, name: %s\n", cur_node->name);
+		}
+
+		print_element_names(cur_node->children);
+	}
+}
diff --git a/misc/samples/xml_full.xml b/misc/samples/xml_full.xml
new file mode 100644
index 0000000..c8b0ecd
--- /dev/null
+++ b/misc/samples/xml_full.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0"?>
+<store>
+<!-- Sample Bookstore -->
+<book isbn="10000001">
+<title>The Lord Of The Rings</title>
+<author>J.R.R. Tolkien</author>
+</book>
+<book isbn="10000002">
+<title>Maitreyi</title>
+<author>Mircea Eliade</author>
+</book>
+<cd>
+<title>The Wall</title>
+<artist>Pink Floyd</artist>
+<track length="3:40">Another Brick in the Wall</track>
+<track length="5:33">Mother</track>
+</cd>
+<cd>
+<title>Come on Over</title>
+<artist>Shania Twain</artist>
+<track length="4:40">From This Moment On</track>
+<track length="3:33">You're Still The One</track>
+</cd>
+</store>
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);
+}
diff --git a/misc/samples/xml_small.xml b/misc/samples/xml_small.xml
new file mode 100644
index 0000000..6b38af4
--- /dev/null
+++ b/misc/samples/xml_small.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+<store>
+<!-- Sample Bookstore -->
+<book isbn="10000001">
+<title>The Lord Of The Rings</title>
+<author>J.R.R. Tolkien</author>
+</book>
+<cd>
+<title>The Wall</title>
+<artist>Pink Floyd</artist>
+<track length="3:40">Another Brick in the Wall</track>
+<track length="5:33">Mother</track>
+</cd>
+</store>
-- 
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