First release of open-appsec source code

external/picojson/examples/streaming.cc

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2009-2010 Cybozu Labs, Inc.
+ * Copyright 2011-2014 Kazuho Oku
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <iostream>
+#include <iterator>
+#include "../picojson.h"
+
+// this example reads a array of hashes (each item representing a 2D point),
+// and prints the x and y values to stdout
+
+namespace {
+
+class root_context : public picojson::deny_parse_context {
+public:
+  bool parse_array_start() {
+    return true; // only allow array as root
+  }
+  template <typename Iter> bool parse_array_item(picojson::input<Iter> &in, size_t) {
+    picojson::value item;
+    // parse the array item
+    picojson::default_parse_context ctx(&item);
+    if (!picojson::_parse(ctx, in)) {
+      return false;
+    }
+    // assert that the array item is a hash
+    if (!item.is<picojson::object>()) {
+      return false;
+    }
+    // print x and y
+    std::cout << item.get("x") << ',' << item.get("y").to_str() << std::endl;
+    return true;
+  }
+};
+}
+
+int main(void) {
+  root_context ctx;
+  std::string err;
+
+  picojson::_parse(ctx, std::istream_iterator<char>(std::cin), std::istream_iterator<char>(), &err);
+
+  if (!err.empty()) {
+    std::cerr << err << std::endl;
+    return 1;
+  }
+
+  return 0;
+}