C++ bindings

mojo/public/bindings/sample/generated/sample_service.h

+// Copyright 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 MOJO_GENERATED_BINDINGS_SAMPLE_SERVICE_H_
+#define MOJO_GENERATED_BINDINGS_SAMPLE_SERVICE_H_
+
+#include "mojo/public/bindings/lib/bindings.h"
+
+namespace sample {
+
+class Bar {
+ public:
+  static Bar* New(mojo::Buffer* buf) {
+    return new (buf->Allocate(sizeof(Bar))) Bar();
+  }
+
+  void set_alpha(uint8_t alpha) { d_.alpha = alpha; }
+  void set_beta(uint8_t beta) { d_.beta = beta; }
+  void set_gamma(uint8_t gamma) { d_.gamma = gamma; }
+
+  uint8_t alpha() const { return d_.alpha; }
+  uint8_t beta() const { return d_.beta; }
+  uint8_t gamma() const { return d_.gamma; }
+
+ private:
+  friend class mojo::internal::ObjectTraits<Bar>;
+
+  Bar() {
+    header_.num_bytes = sizeof(*this);
+    header_.num_fields = 3;
+  }
+  ~Bar();  // NOT IMPLEMENTED
+
+  mojo::internal::StructHeader header_;
+  struct Data {
+    uint8_t alpha;
+    uint8_t beta;
+    uint8_t gamma;
+  } d_;
+};
+
+class Foo {
+ public:
+  static Foo* New(mojo::Buffer* buf) {
+    return new (buf->Allocate(sizeof(Foo))) Foo();
+  }
+
+  void set_x(int32_t x) { d_.x = x; }
+  void set_y(int32_t y) { d_.y = y; }
+  void set_a(bool a) { d_.a = a; }
+  void set_b(bool b) { d_.b = b; }
+  void set_c(bool c) { d_.c = c; }
+  void set_bar(Bar* bar) { d_.bar.ptr = bar; }
+  void set_data(mojo::Array<uint8_t>* data) { d_.data.ptr = data; }
+  void set_extra_bars(mojo::Array<Bar*>* extra_bars) {
+    d_.extra_bars.ptr = extra_bars;
+  }
+  void set_name(mojo::String* name) {
+    d_.name.ptr = name;
+  }
+  void set_files(mojo::Array<mojo::Handle>* files) {
+    d_.files.ptr = files;
+  }
+
+  int32_t x() const { return d_.x; }
+  int32_t y() const { return d_.y; }
+  bool a() const { return d_.a; }
+  bool b() const { return d_.b; }
+  bool c() const { return d_.c; }
+  const Bar* bar() const { return d_.bar.ptr; }
+  const mojo::Array<uint8_t>* data() const { return d_.data.ptr; }
+  const mojo::Array<Bar*>* extra_bars() const {
+    // NOTE: extra_bars is an optional field!
+    return header_.num_fields >= 8 ? d_.extra_bars.ptr : NULL;
+  }
+  const mojo::String* name() const {
+    // NOTE: name is also an optional field!
+    return header_.num_fields >= 9 ? d_.name.ptr : NULL;
+  }
+  const mojo::Array<mojo::Handle>* files() const {
+    // NOTE: files is also an optional field!
+    return header_.num_fields >= 10 ? d_.files.ptr : NULL;
+  }
+
+ private:
+  friend class mojo::internal::ObjectTraits<Foo>;
+
+  Foo() {
+    header_.num_bytes = sizeof(*this);
+    header_.num_fields = 10;
+  }
+  ~Foo();  // NOT IMPLEMENTED
+
+  mojo::internal::StructHeader header_;
+  struct Data {
+    int32_t x;
+    int32_t y;
+    uint32_t a : 1;
+    uint32_t b : 1;
+    uint32_t c : 1;
+    mojo::internal::StructPointer<Bar> bar;
+    mojo::internal::ArrayPointer<uint8_t> data;
+    mojo::internal::ArrayPointer<Bar*> extra_bars;
+    mojo::internal::StringPointer name;
+    mojo::internal::ArrayPointer<mojo::Handle> files;

[DaveMoore, 2013/10/09 17:14:11]

This is pretty fugly. I'm still not convinced that it's better to push all the
data fields into a nested structure instead of reserving some safe name for the
header. And all the mojo::internals make this pretty hard to read.

+  } d_;
+};
+
+class Service {
+ public:
+  virtual void Frobinate(const Foo* foo, bool baz, mojo::Handle port) = 0;
+};
+
+}  // namespace sample
+
+#endif  // MOJO_GENERATED_BINDINGS_SAMPLE_SERVICE_H_