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fbd7c359ee
The compiler can't always work out the _found booleans are set iff the value is initialized.
53 lines
2.2 KiB
C
53 lines
2.2 KiB
C
// Copyright (c) 2016, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#define GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, name, type, jtype, mandatory, def) \
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type field_##name = def; \
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bool field_##name##_found = false; \
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(void)field_##name##_found; \
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do if (json.HasMember(#name)) \
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{ \
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if (json[#name].Is##jtype()) \
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{ \
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field_##name = json[#name].Get##jtype(); \
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field_##name##_found = true; \
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} \
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else \
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{ \
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LOG_ERROR("Field " << #name << " found in JSON, but not " << #jtype); \
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return false; \
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} \
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} \
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else if (mandatory) \
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{ \
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LOG_ERROR("Field " << #name << " not found in JSON"); \
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return false; \
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} while(0)
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