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| -rw-r--r-- | src/common/json_util.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/common/json_util.h b/src/common/json_util.h new file mode 100644 index 000000000..6f8b4c18f --- /dev/null +++ b/src/common/json_util.h @@ -0,0 +1,53 @@ +// Copyright (c) 2016, The Monero Project +// +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without modification, are +// permitted provided that the following conditions are met: +// +// 1. Redistributions of source code must retain the above copyright notice, this list of +// conditions and the following disclaimer. +// +// 2. Redistributions in binary form must reproduce the above copyright notice, this list +// of conditions and the following disclaimer in the documentation and/or other +// materials provided with the distribution. +// +// 3. Neither the name of the copyright holder nor the names of its contributors may be +// used to endorse or promote products derived from this software without specific +// prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY +// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL +// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF +// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#pragma once + +#define GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, name, type, jtype, mandatory) \ + type field_##name; \ + bool field_##name##_found = false; \ + (void)field_##name##_found; \ + do if (json.HasMember(#name)) \ + { \ + if (json[#name].Is##jtype()) \ + { \ + field_##name = json[#name].Get##jtype(); \ + field_##name##_found = true; \ + } \ + else \ + { \ + LOG_ERROR("Field " << #name << " found in JSON, but not " << #jtype); \ + return false; \ + } \ + } \ + else if (mandatory) \ + { \ + LOG_ERROR("Field " << #name << " not found in JSON"); \ + return false; \ + } while(0) + |