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-rw-r--r--docs/samples/traverse_walker.cpp33
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diff --git a/docs/samples/traverse_walker.cpp b/docs/samples/traverse_walker.cpp
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+#include "pugixml.hpp"
+
+#include <iostream>
+
+const char* node_types[] =
+{
+ "null", "document", "element", "pcdata", "cdata", "comment", "pi", "declaration"
+};
+
+//[code_traverse_walker_impl
+struct simple_walker: pugi::xml_tree_walker
+{
+ virtual bool for_each(pugi::xml_node& node)
+ {
+ for (int i = 0; i < depth(); ++i) std::cout << " "; // indentation
+
+ std::cout << node_types[node.type()] << ": name='" << node.name() << "', value='" << node.value() << "'\n";
+
+ return true; // continue traversal
+ }
+};
+//]
+
+int main()
+{
+ pugi::xml_document doc;
+ if (!doc.load_file("tree.xml")) return -1;
+
+ //[code_traverse_walker_traverse
+ simple_walker walker;
+ doc.traverse(walker);
+ //]
+}