From 35a201cc8ef0c3f5b2df88d2e528aabee1048348 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>
Date: Fri, 30 Apr 2021 18:47:09 +0200
Subject: Initial/Final commit

---
 libxml2-2.9.10/doc/examples/tree2.c | 117 ++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 libxml2-2.9.10/doc/examples/tree2.c

(limited to 'libxml2-2.9.10/doc/examples/tree2.c')

diff --git a/libxml2-2.9.10/doc/examples/tree2.c b/libxml2-2.9.10/doc/examples/tree2.c
new file mode 100644
index 0000000..6548e29
--- /dev/null
+++ b/libxml2-2.9.10/doc/examples/tree2.c
@@ -0,0 +1,117 @@
+/* 
+ * section:  Tree
+ * synopsis: Creates a tree
+ * purpose:  Shows how to create document, nodes and dump it to stdout or file.
+ * usage:    tree2 <filename>  -Default output: stdout
+ * test:     tree2 > tree2.tmp && diff tree2.tmp $(srcdir)/tree2.res
+ * author:   Lucas Brasilino <brasilino@recife.pe.gov.br>
+ * copy:     see Copyright for the status of this software
+ */
+
+#include <stdio.h>
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+
+#if defined(LIBXML_TREE_ENABLED) && defined(LIBXML_OUTPUT_ENABLED)
+
+/*
+ *To compile this file using gcc you can type
+ *gcc `xml2-config --cflags --libs` -o tree2 tree2.c
+ */
+
+/* A simple example how to create DOM. Libxml2 automagically 
+ * allocates the necessary amount of memory to it.
+*/
+int
+main(int argc, char **argv)
+{
+    xmlDocPtr doc = NULL;       /* document pointer */
+    xmlNodePtr root_node = NULL, node = NULL, node1 = NULL;/* node pointers */
+    char buff[256];
+    int i, j;
+
+    LIBXML_TEST_VERSION;
+
+    /* 
+     * Creates a new document, a node and set it as a root node
+     */
+    doc = xmlNewDoc(BAD_CAST "1.0");
+    root_node = xmlNewNode(NULL, BAD_CAST "root");
+    xmlDocSetRootElement(doc, root_node);
+
+    /*
+     * Creates a DTD declaration. Isn't mandatory. 
+     */
+    xmlCreateIntSubset(doc, BAD_CAST "root", NULL, BAD_CAST "tree2.dtd");
+
+    /* 
+     * xmlNewChild() creates a new node, which is "attached" as child node
+     * of root_node node. 
+     */
+    xmlNewChild(root_node, NULL, BAD_CAST "node1",
+                BAD_CAST "content of node 1");
+    /* 
+     * The same as above, but the new child node doesn't have a content 
+     */
+    xmlNewChild(root_node, NULL, BAD_CAST "node2", NULL);
+
+    /* 
+     * xmlNewProp() creates attributes, which is "attached" to an node.
+     * It returns xmlAttrPtr, which isn't used here.
+     */
+    node =
+        xmlNewChild(root_node, NULL, BAD_CAST "node3",
+                    BAD_CAST "this node has attributes");
+    xmlNewProp(node, BAD_CAST "attribute", BAD_CAST "yes");
+    xmlNewProp(node, BAD_CAST "foo", BAD_CAST "bar");
+
+    /*
+     * Here goes another way to create nodes. xmlNewNode() and xmlNewText
+     * creates a node and a text node separately. They are "attached"
+     * by xmlAddChild() 
+     */
+    node = xmlNewNode(NULL, BAD_CAST "node4");
+    node1 = xmlNewText(BAD_CAST
+                   "other way to create content (which is also a node)");
+    xmlAddChild(node, node1);
+    xmlAddChild(root_node, node);
+
+    /* 
+     * A simple loop that "automates" nodes creation 
+     */
+    for (i = 5; i < 7; i++) {
+        sprintf(buff, "node%d", i);
+        node = xmlNewChild(root_node, NULL, BAD_CAST buff, NULL);
+        for (j = 1; j < 4; j++) {
+            sprintf(buff, "node%d%d", i, j);
+            node1 = xmlNewChild(node, NULL, BAD_CAST buff, NULL);
+            xmlNewProp(node1, BAD_CAST "odd", BAD_CAST((j % 2) ? "no" : "yes"));
+        }
+    }
+
+    /* 
+     * Dumping document to stdio or file
+     */
+    xmlSaveFormatFileEnc(argc > 1 ? argv[1] : "-", doc, "UTF-8", 1);
+
+    /*free the document */
+    xmlFreeDoc(doc);
+
+    /*
+     *Free the global variables that may
+     *have been allocated by the parser.
+     */
+    xmlCleanupParser();
+
+    /*
+     * this is to debug memory for regression tests
+     */
+    xmlMemoryDump();
+    return(0);
+}
+#else
+int main(void) {
+    fprintf(stderr, "tree support not compiled in\n");
+    exit(1);
+}
+#endif
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