darling-dyld/dyld3/JSONReader.h
2023-04-29 11:24:58 -07:00

62 lines
2.1 KiB
C++

/*
* Copyright (c) 2017 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#ifndef __JSON_READER_H__
#define __JSON_READER_H__
#include "JSON.h"
class Diagnostics;
namespace dyld3 {
namespace json {
Node readJSON(Diagnostics& diags, const char* filePath);
Node readJSON(Diagnostics& diags, const void* contents, size_t length);
// Given a map node, returns the node representing the given value.
// If it is missing, returns a sentinel node and sets an error on the diagnostic
const Node& getRequiredValue(Diagnostics& diags, const Node& node, const char* key);
// Given a map node, returns the node representing the given value.
// If it is missing, return nullptr.
const Node* getOptionalValue(Diagnostics& diags, const Node& node, const char* key);
// Parses an int from the given node, or throws an error if its not an integer payload
uint64_t parseRequiredInt(Diagnostics& diags, const Node& node);
// Parses a bool from the given node, or throws an error if its not a boolean payload
bool parseRequiredBool(Diagnostics& diags, const Node& node);
// Parses a string from the given node, or throws an error if its not a string payload
const std::string& parseRequiredString(Diagnostics& diags, const Node& node);
} // namespace json
} // namespace dyld3
#endif // __JSON_READER_H__