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61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/*
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* JsonParser.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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#include "JsonNode.h"
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VCMI_LIB_NAMESPACE_BEGIN
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//Internal class for string -> JsonNode conversion
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class JsonParser
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{
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const JsonParsingSettings settings;
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std::string errors; // Contains description of all encountered errors
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std::string_view input; // Input data
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uint32_t lineCount; // Currently parsed line, starting from 1
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uint32_t currentDepth;
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size_t lineStart; // Position of current line start
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size_t pos; // Current position of parser
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//Helpers
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bool extractEscaping(std::string & str);
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bool extractLiteral(std::string & literal);
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bool extractAndCompareLiteral(const std::string & expectedLiteral);
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bool extractString(std::string & string);
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bool extractWhitespace(bool verbose = true);
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bool extractSeparator();
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bool extractElement(JsonNode & node, char terminator);
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//Methods for extracting JSON data
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bool extractArray(JsonNode & node);
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bool extractFalse(JsonNode & node);
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bool extractFloat(JsonNode & node);
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bool extractNull(JsonNode & node);
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bool extractString(JsonNode & node);
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bool extractStruct(JsonNode & node);
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bool extractTrue(JsonNode & node);
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bool extractValue(JsonNode & node);
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//Add error\warning message to list
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bool error(const std::string & message, bool warning = false);
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public:
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JsonParser(const std::byte * inputString, size_t stringSize, const JsonParsingSettings & settings);
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/// do actual parsing. filename is name of file that will printed to console if any errors were found
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JsonNode parse(const std::string & fileName);
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/// returns true if parsing was successful
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bool isValid();
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};
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VCMI_LIB_NAMESPACE_END
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