Cleanup the IPC param traits structure

content/common/content_param_traits.cc

+// 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 "content/common/content_param_traits.h"
+
+#include "base/string_number_conversions.h"
+#include "net/base/ip_endpoint.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h"
+#include "webkit/glue/npruntime_util.h"
+#include "webkit/plugins/npapi/plugin_host.h"
+#include "ui/base/range/range.h"
+
+NPIdentifier_Param::NPIdentifier_Param()
+    : identifier() {
+}
+
+NPIdentifier_Param::~NPIdentifier_Param() {
+}
+
+NPVariant_Param::NPVariant_Param()
+    : type(NPVARIANT_PARAM_VOID),
+      bool_value(false),
+      int_value(0),
+      double_value(0),
+      npobject_routing_id(-1) {
+}
+
+NPVariant_Param::~NPVariant_Param() {
+}
+
+namespace IPC {
+
+void ParamTraits<net::IPEndPoint>::Write(Message* m, const param_type& p) {
+  WriteParam(m, p.address());
+  WriteParam(m, p.port());
+}
+
+bool ParamTraits<net::IPEndPoint>::Read(const Message* m, PickleIterator* iter,
+                                        param_type* p) {
+  net::IPAddressNumber address;
+  int port;
+  if (!ReadParam(m, iter, &address) || !ReadParam(m, iter, &port))
+    return false;
+  *p = net::IPEndPoint(address, port);
+  return true;
+}
+
+void ParamTraits<net::IPEndPoint>::Log(const param_type& p, std::string* l) {
+  LogParam("IPEndPoint:" + p.ToString(), l);
+}
+
+void ParamTraits<NPVariant_Param>::Write(Message* m, const param_type& p) {
+  WriteParam(m, static_cast<int>(p.type));
+  if (p.type == NPVARIANT_PARAM_BOOL) {
+    WriteParam(m, p.bool_value);
+  } else if (p.type == NPVARIANT_PARAM_INT) {
+    WriteParam(m, p.int_value);
+  } else if (p.type == NPVARIANT_PARAM_DOUBLE) {
+    WriteParam(m, p.double_value);
+  } else if (p.type == NPVARIANT_PARAM_STRING) {
+    WriteParam(m, p.string_value);
+  } else if (p.type == NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID ||
+             p.type == NPVARIANT_PARAM_RECEIVER_OBJECT_ROUTING_ID) {
+    // This is the routing id used to connect NPObjectProxy in the other
+    // process with NPObjectStub in this process or to identify the raw
+    // npobject pointer to be used in the callee process.
+    WriteParam(m, p.npobject_routing_id);
+  } else {
+    DCHECK(p.type == NPVARIANT_PARAM_VOID || p.type == NPVARIANT_PARAM_NULL);
+  }
+}
+
+bool ParamTraits<NPVariant_Param>::Read(const Message* m,
+                                        PickleIterator* iter,
+                                        param_type* r) {
+  int type;
+  if (!ReadParam(m, iter, &type))
+    return false;
+
+  bool result = false;
+  r->type = static_cast<NPVariant_ParamEnum>(type);
+  if (r->type == NPVARIANT_PARAM_BOOL) {
+    result = ReadParam(m, iter, &r->bool_value);
+  } else if (r->type == NPVARIANT_PARAM_INT) {
+    result = ReadParam(m, iter, &r->int_value);
+  } else if (r->type == NPVARIANT_PARAM_DOUBLE) {
+    result = ReadParam(m, iter, &r->double_value);
+  } else if (r->type == NPVARIANT_PARAM_STRING) {
+    result = ReadParam(m, iter, &r->string_value);
+  } else if (r->type == NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID ||
+             r->type == NPVARIANT_PARAM_RECEIVER_OBJECT_ROUTING_ID) {
+    result = ReadParam(m, iter, &r->npobject_routing_id);
+  } else if ((r->type == NPVARIANT_PARAM_VOID) ||
+             (r->type == NPVARIANT_PARAM_NULL)) {
+    result = true;
+  } else {
+    NOTREACHED();
+  }
+
+  return result;
+}
+
+void ParamTraits<NPVariant_Param>::Log(const param_type& p, std::string* l) {
+  l->append(StringPrintf("NPVariant_Param(%d, ", static_cast<int>(p.type)));
+  if (p.type == NPVARIANT_PARAM_BOOL) {
+    LogParam(p.bool_value, l);
+  } else if (p.type == NPVARIANT_PARAM_INT) {
+    LogParam(p.int_value, l);
+  } else if (p.type == NPVARIANT_PARAM_DOUBLE) {
+    LogParam(p.double_value, l);
+  } else if (p.type == NPVARIANT_PARAM_STRING) {
+    LogParam(p.string_value, l);
+  } else if (p.type == NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID ||
+             p.type == NPVARIANT_PARAM_RECEIVER_OBJECT_ROUTING_ID) {
+    LogParam(p.npobject_routing_id, l);
+  } else {
+    l->append("<none>");
+  }
+  l->append(")");
+}
+
+void ParamTraits<NPIdentifier_Param>::Write(Message* m, const param_type& p) {
+  webkit_glue::SerializeNPIdentifier(p.identifier, m);
+}
+
+bool ParamTraits<NPIdentifier_Param>::Read(const Message* m,
+                                           PickleIterator* iter,
+                                           param_type* r) {
+  return webkit_glue::DeserializeNPIdentifier(iter, &r->identifier);
+}
+
+void ParamTraits<NPIdentifier_Param>::Log(const param_type& p, std::string* l) {
+  if (WebKit::WebBindings::identifierIsString(p.identifier)) {
+    NPUTF8* str = WebKit::WebBindings::utf8FromIdentifier(p.identifier);
+    l->append(str);
+    webkit::npapi::PluginHost::Singleton()->host_functions()->memfree(str);
+  } else {
+    l->append(base::IntToString(
+        WebKit::WebBindings::intFromIdentifier(p.identifier)));
+  }
+}
+
+void ParamTraits<ui::Range>::Write(Message* m, const ui::Range& r) {
+  m->WriteUInt64(r.start());
+  m->WriteUInt64(r.end());
+}
+
+bool ParamTraits<ui::Range>::Read(const Message* m,
+                                  PickleIterator* iter,
+                                  ui::Range* r) {
+  uint64 start, end;
+  if (!m->ReadUInt64(iter, &start) || !m->ReadUInt64(iter, &end))
+    return false;
+  r->set_start(start);
+  r->set_end(end);
+  return true;
+}
+
+void ParamTraits<ui::Range>::Log(const ui::Range& r, std::string* l) {
+  l->append(base::StringPrintf("(%"PRIuS", %"PRIuS")", r.start(), r.end()));
+}
+
+}  // namespace IPC
+
+// Generate param traits write methods.
+#include "ipc/param_traits_write_macros.h"
+namespace IPC {
+#undef CONTENT_COMMON_CONTENT_PARAM_TRAITS_MACROS_H_
+#include "content/common/content_param_traits_macros.h"
+}  // namespace IPC
+
+// Generate param traits read methods.
+#include "ipc/param_traits_read_macros.h"
+namespace IPC {
+#undef CONTENT_COMMON_CONTENT_PARAM_TRAITS_MACROS_H_
+#include "content/common/content_param_traits_macros.h"
+}  // namespace IPC
+
+// Generate param traits log methods.
+#include "ipc/param_traits_log_macros.h"
+namespace IPC {
+#undef CONTENT_COMMON_CONTENT_PARAM_TRAITS_MACROS_H_
+#include "content/common/content_param_traits_macros.h"
+}  // namespace IPC