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Unified Diff: ppapi/cpp/dev/to_c_type_converter_dev.h

Issue 60173003: Draft: apps APIs in Pepper (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years ago
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Index: ppapi/cpp/dev/to_c_type_converter_dev.h
diff --git a/ppapi/cpp/dev/to_c_type_converter_dev.h b/ppapi/cpp/dev/to_c_type_converter_dev.h
new file mode 100644
index 0000000000000000000000000000000000000000..7f3d8479d7f2b594418a5a7a0119b2b8d61b73df
--- /dev/null
+++ b/ppapi/cpp/dev/to_c_type_converter_dev.h
@@ -0,0 +1,109 @@
+// Copyright (c) 2013 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.
+
+#ifndef PPAPI_CPP_DEV_TO_C_TYPE_CONVERTER_DEV_H_
+#define PPAPI_CPP_DEV_TO_C_TYPE_CONVERTER_DEV_H_
+
+#include <string>
+
+#include "ppapi/c/pp_var.h"
+#include "ppapi/cpp/dev/memory_dev.h"
+#include "ppapi/cpp/dev/optional_dev.h"
+#include "ppapi/cpp/logging.h"
+#include "ppapi/cpp/var.h"
+
+namespace pp {
+namespace internal {
+
+template <class T>
+class ToCTypeConverter {
+ public:
+ explicit ToCTypeConverter(const T& object)
+ : wrapper_(object) {
+ }
+
+ ~ToCTypeConverter() {
+ }
+
+ const typename T::CInputType GetArg() const {
+ return wrapper_.ToStruct();
+ }
+
+ private:
+ // Disallow copying and assignment.
+ ToCTypeConverter(const ToCTypeConverter<T>&);
+ ToCTypeConverter<T>& operator=(const ToCTypeConverter<T>&);
+
+ const T& wrapper_;
+};
+
+template <>
+class ToCTypeConverter<std::string> {
+ public:
+ explicit ToCTypeConverter(const std::string& object)
+ : wrapper_(object) {
+ }
+
+ ~ToCTypeConverter() {
+ }
+
+ const PP_Var& GetArg() const { return wrapper_.ToVar(); }
+
+ private:
+ // Disallow copying and assignment.
+ ToCTypeConverter(const ToCTypeConverter<std::string>&);
+ ToCTypeConverter<std::string>& operator=(
+ const ToCTypeConverter<std::string>&);
+
+ StringWrapper wrapper_;
+};
+
+template <>
+class ToCTypeConverter<double> {
+ public:
+ explicit ToCTypeConverter(double object)
+ : storage_(object) {
+ }
+
+ ~ToCTypeConverter() {
+ }
+
+ double GetArg() const { return storage_; }
+
+ private:
+ // Disallow copying and assignment.
+ ToCTypeConverter(const ToCTypeConverter<double>&);
+ ToCTypeConverter<double>& operator=(const ToCTypeConverter<double>&);
+
+ double storage_;
+};
+
+template <class T>
+class ToCTypeConverter<Optional<T> > {
+ public:
+ typedef typename Optional<T>::CType ArgType;
+ explicit ToCTypeConverter(const Optional<T>& object)
+ : wrapper_(object) {
+ }
+
+ ~ToCTypeConverter() {
+ }
+
+ ArgType GetArg() const {
+ return wrapper_.ToCType();
+ }
+
+ private:
+ // Disallow copying and assignment.
+ ToCTypeConverter(const ToCTypeConverter<Optional<T> >&);
+ ToCTypeConverter<Optional<T> >& operator=(
+ const ToCTypeConverter<Optional<T> >&);
+
+ const Optional<T>& wrapper_;
+};
+
+} // namespace internal
+} // namespace pp
+
+#endif // PPAPI_CPP_DEV_TO_C_TYPE_CONVERTER_DEV_H_
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