Add C++ wrappers for output parameters.
Define helper routines for doing array output using the new PP_OutputArray
struct. Define routines in the completion callback factory for doing output
parameters as parameters to the callback function.
BUG=
TEST=
Review URL: http://codereview.chromium.org/9651002
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@126781 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/ppapi/cpp/array_output.cc b/ppapi/cpp/array_output.cc
new file mode 100644
index 0000000..4cb8c85
--- /dev/null
+++ b/ppapi/cpp/array_output.cc
@@ -0,0 +1,34 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ppapi/cpp/array_output.h"
+
+#include "ppapi/cpp/logging.h"
+
+namespace pp {
+
+// static
+void* ArrayOutputAdapterBase::GetDataBufferThunk(void* user_data,
+ uint32_t element_count,
+ uint32_t element_size) {
+ return static_cast<ArrayOutputAdapterBase*>(user_data)->
+ GetDataBuffer(element_count, element_size);
+}
+
+VarArrayOutputAdapterWithStorage::VarArrayOutputAdapterWithStorage()
+ : ArrayOutputAdapter<PP_Var>() {
+ set_output(&temp_storage_);
+}
+
+std::vector<Var>& VarArrayOutputAdapterWithStorage::output() {
+ PP_DCHECK(output_storage_.empty());
+
+ output_storage_.reserve(temp_storage_.size());
+ for (size_t i = 0; i < temp_storage_.size(); i++)
+ output_storage_.push_back(Var(PASS_REF, temp_storage_[i]));
+ temp_storage_.clear();
+ return output_storage_;
+}
+
+} // namespace pp
