2024-02-11 23:09:01 +02:00
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/*
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* JsonNode.cpp, 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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#include "StdInc.h"
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#include "JsonNode.h"
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#include "JsonParser.h"
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#include "JsonWriter.h"
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#include "filesystem/Filesystem.h"
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2024-02-11 23:09:01 +02:00
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// to avoid duplicating const and non-const code
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template<typename Node>
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Node & resolvePointer(Node & in, const std::string & pointer)
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{
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if(pointer.empty())
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return in;
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assert(pointer[0] == '/');
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size_t splitPos = pointer.find('/', 1);
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std::string entry = pointer.substr(1, splitPos - 1);
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std::string remainer = splitPos == std::string::npos ? "" : pointer.substr(splitPos);
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if(in.getType() == VCMI_LIB_WRAP_NAMESPACE(JsonNode)::JsonType::DATA_VECTOR)
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{
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if(entry.find_first_not_of("0123456789") != std::string::npos) // non-numbers in string
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throw std::runtime_error("Invalid Json pointer");
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if(entry.size() > 1 && entry[0] == '0') // leading zeros are not allowed
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throw std::runtime_error("Invalid Json pointer");
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auto index = boost::lexical_cast<size_t>(entry);
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if(in.Vector().size() > index)
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return in.Vector()[index].resolvePointer(remainer);
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}
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return in[entry].resolvePointer(remainer);
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}
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VCMI_LIB_NAMESPACE_BEGIN
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static const JsonNode nullNode;
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class LibClasses;
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class CModHandler;
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JsonNode::JsonNode(bool boolean)
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: data(boolean)
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{
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}
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JsonNode::JsonNode(int32_t number)
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: data(static_cast<int64_t>(number))
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{
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}
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JsonNode::JsonNode(uint32_t number)
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: data(static_cast<int64_t>(number))
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{
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}
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JsonNode::JsonNode(int64_t number)
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: data(number)
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{
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}
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JsonNode::JsonNode(double number)
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: data(number)
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{
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}
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JsonNode::JsonNode(const std::string & string)
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: data(string)
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{
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}
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JsonNode::JsonNode(const std::byte * data, size_t datasize)
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: JsonNode(data, datasize, JsonParsingSettings())
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{
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}
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JsonNode::JsonNode(const std::byte * data, size_t datasize, const JsonParsingSettings & parserSettings)
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{
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JsonParser parser(data, datasize, parserSettings);
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*this = parser.parse("<unknown>");
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}
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JsonNode::JsonNode(const JsonPath & fileURI)
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:JsonNode(fileURI, JsonParsingSettings())
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{
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}
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JsonNode::JsonNode(const JsonPath & fileURI, const JsonParsingSettings & parserSettings)
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{
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auto file = CResourceHandler::get()->load(fileURI)->readAll();
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JsonParser parser(reinterpret_cast<std::byte *>(file.first.get()), file.second, parserSettings);
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*this = parser.parse(fileURI.getName());
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}
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JsonNode::JsonNode(const JsonPath & fileURI, const std::string & idx)
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{
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auto file = CResourceHandler::get(idx)->load(fileURI)->readAll();
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JsonParser parser(reinterpret_cast<std::byte *>(file.first.get()), file.second, JsonParsingSettings());
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*this = parser.parse(fileURI.getName());
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}
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JsonNode::JsonNode(const JsonPath & fileURI, bool & isValidSyntax)
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{
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auto file = CResourceHandler::get()->load(fileURI)->readAll();
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JsonParser parser(reinterpret_cast<std::byte *>(file.first.get()), file.second, JsonParsingSettings());
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*this = parser.parse(fileURI.getName());
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isValidSyntax = parser.isValid();
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}
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bool JsonNode::operator==(const JsonNode & other) const
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{
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return data == other.data;
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}
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bool JsonNode::operator!=(const JsonNode & other) const
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{
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return !(*this == other);
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}
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JsonNode::JsonType JsonNode::getType() const
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{
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return static_cast<JsonType>(data.index());
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}
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2024-02-13 14:34:16 +02:00
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const std::string & JsonNode::getModScope() const
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{
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return modScope;
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}
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2024-02-13 15:20:08 +02:00
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void JsonNode::setOverrideFlag(bool value)
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{
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overrideFlag = value;
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}
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bool JsonNode::getOverrideFlag() const
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{
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return overrideFlag;
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}
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void JsonNode::setModScope(const std::string & metadata, bool recursive)
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{
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modScope = metadata;
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if(recursive)
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{
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switch(getType())
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{
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break;
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case JsonType::DATA_VECTOR:
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{
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for(auto & node : Vector())
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{
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node.setModScope(metadata);
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}
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}
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break;
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case JsonType::DATA_STRUCT:
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{
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for(auto & node : Struct())
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{
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node.second.setModScope(metadata);
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}
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}
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}
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}
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}
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void JsonNode::setType(JsonType Type)
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{
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if(getType() == Type)
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return;
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//float<->int conversion
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if(getType() == JsonType::DATA_FLOAT && Type == JsonType::DATA_INTEGER)
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{
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si64 converted = static_cast<si64>(std::get<double>(data));
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data = JsonData(converted);
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return;
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}
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else if(getType() == JsonType::DATA_INTEGER && Type == JsonType::DATA_FLOAT)
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{
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double converted = static_cast<double>(std::get<si64>(data));
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data = JsonData(converted);
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return;
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}
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//Set new node type
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switch(Type)
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{
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case JsonType::DATA_NULL:
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data = JsonData();
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break;
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case JsonType::DATA_BOOL:
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data = JsonData(false);
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break;
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case JsonType::DATA_FLOAT:
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data = JsonData(0.0);
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break;
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case JsonType::DATA_STRING:
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data = JsonData(std::string());
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break;
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case JsonType::DATA_VECTOR:
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data = JsonData(JsonVector());
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break;
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case JsonType::DATA_STRUCT:
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data = JsonData(JsonMap());
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break;
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case JsonType::DATA_INTEGER:
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data = JsonData(static_cast<si64>(0));
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break;
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}
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}
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bool JsonNode::isNull() const
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{
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return getType() == JsonType::DATA_NULL;
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}
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bool JsonNode::isNumber() const
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{
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return getType() == JsonType::DATA_INTEGER || getType() == JsonType::DATA_FLOAT;
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}
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bool JsonNode::isString() const
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{
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return getType() == JsonType::DATA_STRING;
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}
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bool JsonNode::isVector() const
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{
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return getType() == JsonType::DATA_VECTOR;
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}
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bool JsonNode::isStruct() const
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{
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return getType() == JsonType::DATA_STRUCT;
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}
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bool JsonNode::containsBaseData() const
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{
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switch(getType())
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{
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case JsonType::DATA_NULL:
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return false;
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case JsonType::DATA_STRUCT:
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for(const auto & elem : Struct())
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{
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if(elem.second.containsBaseData())
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return true;
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}
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return false;
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default:
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//other types (including vector) cannot be extended via merge
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return true;
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}
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}
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bool JsonNode::isCompact() const
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{
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switch(getType())
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{
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case JsonType::DATA_VECTOR:
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for(const JsonNode & elem : Vector())
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{
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if(!elem.isCompact())
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return false;
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}
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return true;
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case JsonType::DATA_STRUCT:
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{
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auto propertyCount = Struct().size();
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if(propertyCount == 0)
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return true;
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else if(propertyCount == 1)
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return Struct().begin()->second.isCompact();
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}
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return false;
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default:
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return true;
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}
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}
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bool JsonNode::TryBoolFromString(bool & success) const
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{
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success = true;
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if(getType() == JsonNode::JsonType::DATA_BOOL)
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return Bool();
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success = getType() == JsonNode::JsonType::DATA_STRING;
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if(success)
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{
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auto boolParamStr = String();
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boost::algorithm::trim(boolParamStr);
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boost::algorithm::to_lower(boolParamStr);
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success = boolParamStr == "true";
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if(success)
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return true;
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success = boolParamStr == "false";
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}
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return false;
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}
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void JsonNode::clear()
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{
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setType(JsonType::DATA_NULL);
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}
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bool & JsonNode::Bool()
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{
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setType(JsonType::DATA_BOOL);
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return std::get<bool>(data);
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}
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double & JsonNode::Float()
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{
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setType(JsonType::DATA_FLOAT);
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return std::get<double>(data);
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}
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si64 & JsonNode::Integer()
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{
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setType(JsonType::DATA_INTEGER);
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return std::get<si64>(data);
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}
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std::string & JsonNode::String()
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{
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setType(JsonType::DATA_STRING);
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return std::get<std::string>(data);
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}
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JsonVector & JsonNode::Vector()
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{
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setType(JsonType::DATA_VECTOR);
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return std::get<JsonVector>(data);
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}
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JsonMap & JsonNode::Struct()
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{
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setType(JsonType::DATA_STRUCT);
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|
return std::get<JsonMap>(data);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool JsonNode::Bool() const
|
|
|
|
{
|
2024-02-13 22:19:24 +02:00
|
|
|
static const bool boolDefault = false;
|
|
|
|
|
2024-02-11 23:09:01 +02:00
|
|
|
assert(getType() == JsonType::DATA_NULL || getType() == JsonType::DATA_BOOL);
|
|
|
|
|
2024-02-13 19:16:35 +02:00
|
|
|
if(getType() == JsonType::DATA_BOOL)
|
2024-02-11 23:09:01 +02:00
|
|
|
return std::get<bool>(data);
|
|
|
|
|
|
|
|
return boolDefault;
|
|
|
|
}
|
|
|
|
|
|
|
|
double JsonNode::Float() const
|
|
|
|
{
|
2024-02-13 22:19:24 +02:00
|
|
|
static const double floatDefault = 0;
|
|
|
|
|
2024-02-11 23:09:01 +02:00
|
|
|
assert(getType() == JsonType::DATA_NULL || getType() == JsonType::DATA_INTEGER || getType() == JsonType::DATA_FLOAT);
|
|
|
|
|
|
|
|
if(getType() == JsonType::DATA_FLOAT)
|
|
|
|
return std::get<double>(data);
|
|
|
|
|
|
|
|
if(getType() == JsonType::DATA_INTEGER)
|
|
|
|
return static_cast<double>(std::get<si64>(data));
|
|
|
|
|
|
|
|
return floatDefault;
|
|
|
|
}
|
|
|
|
|
|
|
|
si64 JsonNode::Integer() const
|
|
|
|
{
|
2024-02-13 22:19:24 +02:00
|
|
|
static const si64 integerDefault = 0;
|
|
|
|
|
2024-02-11 23:09:01 +02:00
|
|
|
assert(getType() == JsonType::DATA_NULL || getType() == JsonType::DATA_INTEGER || getType() == JsonType::DATA_FLOAT);
|
|
|
|
|
|
|
|
if(getType() == JsonType::DATA_INTEGER)
|
|
|
|
return std::get<si64>(data);
|
|
|
|
|
|
|
|
if(getType() == JsonType::DATA_FLOAT)
|
|
|
|
return static_cast<si64>(std::get<double>(data));
|
|
|
|
|
|
|
|
return integerDefault;
|
|
|
|
}
|
|
|
|
|
|
|
|
const std::string & JsonNode::String() const
|
|
|
|
{
|
2024-02-15 22:29:56 +02:00
|
|
|
static const std::string stringDefault;
|
2024-02-13 22:19:24 +02:00
|
|
|
|
2024-02-11 23:09:01 +02:00
|
|
|
assert(getType() == JsonType::DATA_NULL || getType() == JsonType::DATA_STRING);
|
|
|
|
|
2024-02-13 19:16:35 +02:00
|
|
|
if(getType() == JsonType::DATA_STRING)
|
2024-02-11 23:09:01 +02:00
|
|
|
return std::get<std::string>(data);
|
|
|
|
|
|
|
|
return stringDefault;
|
|
|
|
}
|
|
|
|
|
|
|
|
const JsonVector & JsonNode::Vector() const
|
|
|
|
{
|
2024-02-15 22:29:56 +02:00
|
|
|
static const JsonVector vectorDefault;
|
2024-02-13 22:19:24 +02:00
|
|
|
|
2024-02-11 23:09:01 +02:00
|
|
|
assert(getType() == JsonType::DATA_NULL || getType() == JsonType::DATA_VECTOR);
|
|
|
|
|
2024-02-13 19:16:35 +02:00
|
|
|
if(getType() == JsonType::DATA_VECTOR)
|
2024-02-11 23:09:01 +02:00
|
|
|
return std::get<JsonVector>(data);
|
|
|
|
|
|
|
|
return vectorDefault;
|
|
|
|
}
|
|
|
|
|
|
|
|
const JsonMap & JsonNode::Struct() const
|
|
|
|
{
|
2024-02-15 22:29:56 +02:00
|
|
|
static const JsonMap mapDefault;
|
2024-02-13 22:19:24 +02:00
|
|
|
|
2024-02-11 23:09:01 +02:00
|
|
|
assert(getType() == JsonType::DATA_NULL || getType() == JsonType::DATA_STRUCT);
|
|
|
|
|
2024-02-13 19:16:35 +02:00
|
|
|
if(getType() == JsonType::DATA_STRUCT)
|
2024-02-11 23:09:01 +02:00
|
|
|
return std::get<JsonMap>(data);
|
|
|
|
|
|
|
|
return mapDefault;
|
|
|
|
}
|
|
|
|
|
|
|
|
JsonNode & JsonNode::operator[](const std::string & child)
|
|
|
|
{
|
|
|
|
return Struct()[child];
|
|
|
|
}
|
|
|
|
|
|
|
|
const JsonNode & JsonNode::operator[](const std::string & child) const
|
|
|
|
{
|
|
|
|
auto it = Struct().find(child);
|
2024-02-13 19:16:35 +02:00
|
|
|
if(it != Struct().end())
|
2024-02-11 23:09:01 +02:00
|
|
|
return it->second;
|
|
|
|
return nullNode;
|
|
|
|
}
|
|
|
|
|
|
|
|
JsonNode & JsonNode::operator[](size_t child)
|
|
|
|
{
|
2024-02-13 19:16:35 +02:00
|
|
|
if(child >= Vector().size())
|
2024-02-11 23:09:01 +02:00
|
|
|
Vector().resize(child + 1);
|
|
|
|
return Vector()[child];
|
|
|
|
}
|
|
|
|
|
|
|
|
const JsonNode & JsonNode::operator[](size_t child) const
|
|
|
|
{
|
2024-02-13 19:16:35 +02:00
|
|
|
if(child < Vector().size())
|
2024-02-11 23:09:01 +02:00
|
|
|
return Vector()[child];
|
|
|
|
|
|
|
|
return nullNode;
|
|
|
|
}
|
|
|
|
|
2024-02-13 19:16:35 +02:00
|
|
|
const JsonNode & JsonNode::resolvePointer(const std::string & jsonPointer) const
|
2024-02-11 23:09:01 +02:00
|
|
|
{
|
|
|
|
return ::resolvePointer(*this, jsonPointer);
|
|
|
|
}
|
|
|
|
|
2024-02-13 19:16:35 +02:00
|
|
|
JsonNode & JsonNode::resolvePointer(const std::string & jsonPointer)
|
2024-02-11 23:09:01 +02:00
|
|
|
{
|
|
|
|
return ::resolvePointer(*this, jsonPointer);
|
|
|
|
}
|
|
|
|
|
2024-02-12 01:22:16 +02:00
|
|
|
std::vector<std::byte> JsonNode::toBytes() const
|
2024-02-11 23:09:01 +02:00
|
|
|
{
|
2024-02-12 01:22:16 +02:00
|
|
|
std::string jsonString = toString();
|
2024-02-13 19:16:35 +02:00
|
|
|
auto dataBegin = reinterpret_cast<const std::byte *>(jsonString.data());
|
2024-02-11 23:09:01 +02:00
|
|
|
auto dataEnd = dataBegin + jsonString.size();
|
|
|
|
std::vector<std::byte> result(dataBegin, dataEnd);
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2024-02-12 01:22:16 +02:00
|
|
|
std::string JsonNode::toCompactString() const
|
2024-02-11 23:09:01 +02:00
|
|
|
{
|
|
|
|
std::ostringstream out;
|
2024-02-12 01:22:16 +02:00
|
|
|
JsonWriter writer(out, true);
|
|
|
|
writer.writeNode(*this);
|
|
|
|
return out.str();
|
|
|
|
}
|
|
|
|
|
|
|
|
std::string JsonNode::toString() const
|
|
|
|
{
|
|
|
|
std::ostringstream out;
|
|
|
|
JsonWriter writer(out, false);
|
2024-02-11 23:09:01 +02:00
|
|
|
writer.writeNode(*this);
|
|
|
|
return out.str();
|
|
|
|
}
|
|
|
|
|
|
|
|
VCMI_LIB_NAMESPACE_END
|