90 lines
3.5 KiB
C++
90 lines
3.5 KiB
C++
// Copyright 2014 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CHROMEOS_DBUS_BINDINGS_DBUS_SIGNATURE_H_
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#define CHROMEOS_DBUS_BINDINGS_DBUS_SIGNATURE_H_
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#include <string>
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#include <vector>
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#include <base/macros.h>
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#include <gtest/gtest_prod.h> // for FRIEND_TEST
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namespace chromeos_dbus_bindings {
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class DbusSignature {
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public:
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DbusSignature();
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virtual ~DbusSignature() = default;
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// Returns a C++ typename in |output| for a D-Bus signature in |signature|
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// and returns true on success. Returns false otherwise.
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bool Parse(const std::string& signature, std::string* output);
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void set_object_path_typename(const std::string& object_path_typename) {
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object_path_typename_ = object_path_typename;
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}
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private:
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friend class DbusSignatureTest;
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FRIEND_TEST(DbusSignatureTest, DefaultObjectPathTypename);
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FRIEND_TEST(DbusSignatureTest, ParseSuccesses);
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// Typenames are C++ syntax types.
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static const char kArrayTypename[];
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static const char kBooleanTypename[];
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static const char kByteTypename[];
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static const char kDefaultObjectPathTypename[];
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static const char kDictTypename[];
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static const char kDoubleTypename[];
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static const char kSigned16Typename[];
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static const char kSigned32Typename[];
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static const char kSigned64Typename[];
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static const char kStringTypename[];
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static const char kUnixFdTypename[];
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static const char kUnsigned16Typename[];
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static const char kUnsigned32Typename[];
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static const char kUnsigned64Typename[];
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static const char kVariantTypename[];
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static const char kVariantDictTypename[];
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static const char kPairTypename[];
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static const char kTupleTypename[];
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// Returns the C++ type name for the next D-Bus signature in the string at
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// |signature| in |output|, as well as the next position within the string
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// that parsing should continue |next|. It is not an error to pass a
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// pointer to |signature| or nullptr as |next|. Returns true on success.
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bool GetTypenameForSignature(std::string::const_iterator signature,
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std::string::const_iterator end,
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std::string::const_iterator* next,
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std::string* output);
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// Utility task for GetTypenameForSignature() which handles array objects
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// and decodes them into a map or vector depending on the encoded sub-elements
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// in the array. The arguments and return values are the same
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// as GetTypenameForSignature().
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bool GetArrayTypenameForSignature(std::string::const_iterator signature,
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std::string::const_iterator end,
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std::string::const_iterator* next,
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std::string* output);
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// Utility task for GetTypenameForSignature() which handles STRUCT objects
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// and decodes them into a pair or tuple depending on the number of structure
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// elements. The arguments and return values are the same
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// as GetTypenameForSignature().
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bool GetStructTypenameForSignature(std::string::const_iterator signature,
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std::string::const_iterator end,
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std::string::const_iterator* next,
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std::string* output);
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// The C++ typename to be used for D-Bus object pathnames.
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std::string object_path_typename_;
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DISALLOW_COPY_AND_ASSIGN(DbusSignature);
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};
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} // namespace chromeos_dbus_bindings
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#endif // CHROMEOS_DBUS_BINDINGS_DBUS_SIGNATURE_H_
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