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538b046884
Initially I wanted to also do a function that generates the JSON patch from two JSON documents, but even just applying the JSON patch was a bit of work, especially when needing to satisfy all the test-cases. This change defines all the operation in the RFC6902. The addition isn't too big (for the json_patch_apply() function), as part of the heavy lifting is also done by JSON pointer logic. All the ops were tested with the test-cases defined at: https://github.com/json-patch/json-patch-tests RFC6902: https://tools.ietf.org/html/rfc6902 Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/*
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* Copyright (c) 2021 Alexadru Ardelean.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See COPYING for details.
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*
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*/
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/**
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* @file
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* @brief JSON Patch (RFC 6902) implementation for manipulating JSON objects
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*/
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#ifndef _json_patch_h_
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#define _json_patch_h_
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#include "json_pointer.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Apply the JSON patch to the base object.
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* The patch object must be formatted as per RFC 6902.
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* If the patch is not correctly formatted, an error will
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* be returned.
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*
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* The original `base` object will first be copied, and then
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* the patch will be applied.
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* If anything fails during patching, the `res` object will be
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* NULL and the function will return a negative result.
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*
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* @param base the JSON object which to patch
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* @param patch the JSON object that describes the patch to be applied
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* @param the resulting patched JSON object
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*
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* @return negative if an error (or not found), or 0 if succeeded
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*/
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JSON_EXPORT int json_patch_apply(struct json_object *base, struct json_object *patch,
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struct json_object **res);
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#ifdef __cplusplus
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}
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#endif
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#endif
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