mirror of
https://github.com/vcmi/vcmi.git
synced 2024-11-30 08:57:00 +02:00
836c466f81
- Converted dwellings.json into new format - Implemented "mapObject" entry in town format - Removed capital/fort/village fields from town in favor of overrides
783 lines
19 KiB
C++
783 lines
19 KiB
C++
/*
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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 "ScopeGuard.h"
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#include "HeroBonus.h"
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#include "filesystem/Filesystem.h"
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#include "VCMI_Lib.h" //for identifier resolution
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#include "CModHandler.h"
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#include "CGeneralTextHandler.h"
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#include "JsonDetail.h"
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using namespace JsonDetail;
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class LibClasses;
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class CModHandler;
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static const JsonNode nullNode;
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JsonNode::JsonNode(JsonType Type):
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type(DATA_NULL)
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{
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setType(Type);
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}
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JsonNode::JsonNode(const char *data, size_t datasize):
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type(DATA_NULL)
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{
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JsonParser parser(data, datasize);
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*this = parser.parse("<unknown>");
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}
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JsonNode::JsonNode(ResourceID && fileURI):
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type(DATA_NULL)
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{
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auto file = CResourceHandler::get()->load(fileURI)->readAll();
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JsonParser parser(reinterpret_cast<char*>(file.first.get()), file.second);
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*this = parser.parse(fileURI.getName());
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}
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JsonNode::JsonNode(ResourceID && fileURI, bool &isValidSyntax):
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type(DATA_NULL)
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{
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auto file = CResourceHandler::get()->load(fileURI)->readAll();
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JsonParser parser(reinterpret_cast<char*>(file.first.get()), file.second);
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*this = parser.parse(fileURI.getName());
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isValidSyntax = parser.isValid();
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}
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JsonNode::JsonNode(const JsonNode ©):
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type(DATA_NULL),
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meta(copy.meta)
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{
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setType(copy.getType());
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switch(type)
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{
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break; case DATA_NULL:
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break; case DATA_BOOL: Bool() = copy.Bool();
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break; case DATA_FLOAT: Float() = copy.Float();
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break; case DATA_STRING: String() = copy.String();
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break; case DATA_VECTOR: Vector() = copy.Vector();
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break; case DATA_STRUCT: Struct() = copy.Struct();
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}
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}
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JsonNode::~JsonNode()
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{
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setType(DATA_NULL);
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}
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void JsonNode::swap(JsonNode &b)
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{
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using std::swap;
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swap(meta, b.meta);
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swap(data, b.data);
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swap(type, b.type);
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}
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JsonNode & JsonNode::operator =(JsonNode node)
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{
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swap(node);
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return *this;
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}
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bool JsonNode::operator == (const JsonNode &other) const
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{
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if (getType() == other.getType())
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{
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switch(type)
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{
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case DATA_NULL: return true;
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case DATA_BOOL: return Bool() == other.Bool();
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case DATA_FLOAT: return Float() == other.Float();
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case DATA_STRING: return String() == other.String();
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case DATA_VECTOR: return Vector() == other.Vector();
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case DATA_STRUCT: return Struct() == other.Struct();
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}
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}
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return false;
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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 type;
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}
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void JsonNode::setMeta(std::string metadata, bool recursive)
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{
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meta = metadata;
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if (recursive)
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{
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switch (type)
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{
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break; case DATA_VECTOR:
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{
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for(auto & node : Vector())
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{
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node.setMeta(metadata);
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}
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}
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break; case DATA_STRUCT:
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{
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for(auto & node : Struct())
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{
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node.second.setMeta(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 (type == Type)
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return;
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//Reset node to nullptr
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if (Type != DATA_NULL)
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setType(DATA_NULL);
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switch (type)
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{
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break; case DATA_STRING: delete data.String;
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break; case DATA_VECTOR: delete data.Vector;
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break; case DATA_STRUCT: delete data.Struct;
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break; default:
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break;
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}
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//Set new node type
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type = Type;
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switch(type)
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{
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break; case DATA_NULL:
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break; case DATA_BOOL: data.Bool = false;
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break; case DATA_FLOAT: data.Float = 0;
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break; case DATA_STRING: data.String = new std::string();
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break; case DATA_VECTOR: data.Vector = new JsonVector();
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break; case DATA_STRUCT: data.Struct = new JsonMap();
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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 type == DATA_NULL;
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}
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void JsonNode::clear()
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{
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setType(DATA_NULL);
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}
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bool & JsonNode::Bool()
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{
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setType(DATA_BOOL);
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return data.Bool;
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}
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double & JsonNode::Float()
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{
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setType(DATA_FLOAT);
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return data.Float;
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}
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std::string & JsonNode::String()
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{
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setType(DATA_STRING);
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return *data.String;
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}
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JsonVector & JsonNode::Vector()
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{
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setType(DATA_VECTOR);
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return *data.Vector;
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}
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JsonMap & JsonNode::Struct()
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{
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setType(DATA_STRUCT);
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return *data.Struct;
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}
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const bool boolDefault = false;
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const bool & JsonNode::Bool() const
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{
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if (type == DATA_NULL)
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return boolDefault;
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assert(type == DATA_BOOL);
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return data.Bool;
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}
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const double floatDefault = 0;
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const double & JsonNode::Float() const
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{
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if (type == DATA_NULL)
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return floatDefault;
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assert(type == DATA_FLOAT);
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return data.Float;
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}
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const std::string stringDefault = std::string();
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const std::string & JsonNode::String() const
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{
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if (type == DATA_NULL)
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return stringDefault;
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assert(type == DATA_STRING);
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return *data.String;
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}
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const JsonVector vectorDefault = JsonVector();
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const JsonVector & JsonNode::Vector() const
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{
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if (type == DATA_NULL)
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return vectorDefault;
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assert(type == DATA_VECTOR);
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return *data.Vector;
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}
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const JsonMap mapDefault = JsonMap();
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const JsonMap & JsonNode::Struct() const
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{
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if (type == DATA_NULL)
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return mapDefault;
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assert(type == DATA_STRUCT);
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return *data.Struct;
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}
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JsonNode & JsonNode::operator[](std::string child)
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{
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return Struct()[child];
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}
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const JsonNode & JsonNode::operator[](std::string child) const
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{
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auto it = Struct().find(child);
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if (it != Struct().end())
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return it->second;
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return nullNode;
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}
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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() == JsonNode::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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size_t 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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const JsonNode & JsonNode::resolvePointer(const std::string &jsonPointer) const
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{
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return ::resolvePointer(*this, jsonPointer);
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}
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JsonNode & JsonNode::resolvePointer(const std::string &jsonPointer)
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{
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return ::resolvePointer(*this, jsonPointer);
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}
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///JsonUtils
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void JsonUtils::parseTypedBonusShort(const JsonVector& source, Bonus *dest)
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{
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dest->val = source[1].Float();
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resolveIdentifier(source[2],dest->subtype);
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dest->additionalInfo = source[3].Float();
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dest->duration = Bonus::PERMANENT; //TODO: handle flags (as integer)
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dest->turnsRemain = 0;
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}
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Bonus * JsonUtils::parseBonus (const JsonVector &ability_vec) //TODO: merge with AddAbility, create universal parser for all bonus properties
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{
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auto b = new Bonus();
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std::string type = ability_vec[0].String();
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auto it = bonusNameMap.find(type);
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if (it == bonusNameMap.end())
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{
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logGlobal->errorStream() << "Error: invalid ability type " << type;
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return b;
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}
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b->type = it->second;
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parseTypedBonusShort(ability_vec, b);
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return b;
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}
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template <typename T>
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const T & parseByMap(const std::map<std::string, T> & map, const JsonNode * val, std::string err)
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{
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static T defaultValue = T();
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if (!val->isNull())
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{
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std::string type = val->String();
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auto it = map.find(type);
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if (it == map.end())
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{
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logGlobal->errorStream() << "Error: invalid " << err << type;
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return defaultValue;
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}
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else
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{
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return it->second;
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}
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}
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else
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return defaultValue;
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}
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void JsonUtils::resolveIdentifier (si32 &var, const JsonNode &node, std::string name)
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{
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const JsonNode &value = node[name];
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if (!value.isNull())
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{
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switch (value.getType())
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{
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case JsonNode::DATA_FLOAT:
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var = value.Float();
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break;
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case JsonNode::DATA_STRING:
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VLC->modh->identifiers.requestIdentifier(value, [&](si32 identifier)
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{
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var = identifier;
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});
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break;
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default:
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logGlobal->errorStream() << "Error! Wrong identifier used for value of " << name;
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}
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}
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}
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void JsonUtils::resolveIdentifier (const JsonNode &node, si32 &var)
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{
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switch (node.getType())
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{
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case JsonNode::DATA_FLOAT:
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var = node.Float();
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break;
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case JsonNode::DATA_STRING:
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VLC->modh->identifiers.requestIdentifier (node, [&](si32 identifier)
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{
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var = identifier;
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});
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break;
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default:
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logGlobal->errorStream() << "Error! Wrong identifier used for identifier!";
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}
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}
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Bonus * JsonUtils::parseBonus (const JsonNode &ability)
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{
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auto b = new Bonus();
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const JsonNode *value;
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std::string type = ability["type"].String();
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auto it = bonusNameMap.find(type);
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if (it == bonusNameMap.end())
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{
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logGlobal->errorStream() << "Error: invalid ability type " << type;
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return b;
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}
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b->type = it->second;
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resolveIdentifier (b->subtype, ability, "subtype");
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b->val = ability["val"].Float();
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value = &ability["valueType"];
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if (!value->isNull())
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b->valType = static_cast<Bonus::ValueType>(parseByMap(bonusValueMap, value, "value type "));
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resolveIdentifier (b->additionalInfo, ability, "addInfo");
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b->turnsRemain = ability["turns"].Float();
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b->sid = ability["sourceID"].Float();
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b->description = ability["description"].String();
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value = &ability["effectRange"];
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if (!value->isNull())
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b->effectRange = static_cast<Bonus::LimitEffect>(parseByMap(bonusLimitEffect, value, "effect range "));
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value = &ability["duration"];
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if (!value->isNull())
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{
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switch (value->getType())
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{
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case JsonNode::DATA_STRING:
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b->duration = parseByMap(bonusDurationMap, value, "duration type ");
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break;
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case JsonNode::DATA_VECTOR:
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{
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ui16 dur = 0;
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for (const JsonNode & d : value->Vector())
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{
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dur |= parseByMap(bonusDurationMap, &d, "duration type ");
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}
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b->duration = dur;
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}
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break;
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default:
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logGlobal->errorStream() << "Error! Wrong bonus duration format.";
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}
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}
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value = &ability["source"];
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if (!value->isNull())
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b->source = static_cast<Bonus::BonusSource>(parseByMap(bonusSourceMap, value, "source type "));
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value = &ability["limiters"];
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if (!value->isNull())
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{
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for (const JsonNode & limiter : value->Vector())
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{
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switch (limiter.getType())
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{
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case JsonNode::DATA_STRING: //pre-defined limiters
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b->limiter = parseByMap(bonusLimiterMap, &limiter, "limiter type ");
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break;
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case JsonNode::DATA_STRUCT: //customizable limiters
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{
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shared_ptr<ILimiter> l;
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if (limiter["type"].String() == "CREATURE_TYPE_LIMITER")
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{
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shared_ptr<CCreatureTypeLimiter> l2 = make_shared<CCreatureTypeLimiter>(); //TODO: How the hell resolve pointer to creature?
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const JsonVector vec = limiter["parameters"].Vector();
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VLC->modh->identifiers.requestIdentifier("creature", vec[0], [=](si32 creature)
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{
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l2->setCreature (CreatureID(creature));
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});
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if (vec.size() > 1)
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{
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l2->includeUpgrades = vec[1].Bool();
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}
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else
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l2->includeUpgrades = false;
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l = l2;
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}
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if (limiter["type"].String() == "HAS_ANOTHER_BONUS_LIMITER")
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{
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shared_ptr<HasAnotherBonusLimiter> l2 = make_shared<HasAnotherBonusLimiter>();
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const JsonVector vec = limiter["parameters"].Vector();
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std::string anotherBonusType = vec[0].String();
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auto it = bonusNameMap.find (anotherBonusType);
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if (it == bonusNameMap.end())
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{
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logGlobal->errorStream() << "Error: invalid ability type " << anotherBonusType;
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continue;
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}
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l2->type = it->second;
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if (vec.size() > 1 )
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{
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resolveIdentifier (vec[1], l2->subtype);
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l2->isSubtypeRelevant = true;
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}
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l = l2;
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}
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b->addLimiter(l);
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}
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break;
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}
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}
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}
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value = &ability["propagator"];
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if (!value->isNull())
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b->propagator = parseByMap(bonusPropagatorMap, value, "propagator type ");
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return b;
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}
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//returns first Key with value equal to given one
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template<class Key, class Val>
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Key reverseMapFirst(const Val & val, const std::map<Key, Val> & map)
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{
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for(auto it : map)
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{
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if(it.second == val)
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{
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return it.first;
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}
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}
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assert(0);
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return "";
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}
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void JsonUtils::unparseBonus( JsonNode &node, const Bonus * bonus )
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{
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node["type"].String() = reverseMapFirst<std::string, Bonus::BonusType>(bonus->type, bonusNameMap);
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node["subtype"].Float() = bonus->subtype;
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node["val"].Float() = bonus->val;
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node["valueType"].String() = reverseMapFirst<std::string, Bonus::ValueType>(bonus->valType, bonusValueMap);
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node["additionalInfo"].Float() = bonus->additionalInfo;
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node["turns"].Float() = bonus->turnsRemain;
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node["sourceID"].Float() = bonus->source;
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node["description"].String() = bonus->description;
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node["effectRange"].String() = reverseMapFirst<std::string, Bonus::LimitEffect>(bonus->effectRange, bonusLimitEffect);
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node["duration"].String() = reverseMapFirst<std::string, ui16>(bonus->duration, bonusDurationMap);
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node["source"].String() = reverseMapFirst<std::string, Bonus::BonusSource>(bonus->source, bonusSourceMap);
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if(bonus->limiter)
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{
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node["limiter"].String() = reverseMapFirst<std::string, TLimiterPtr>(bonus->limiter, bonusLimiterMap);
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}
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if(bonus->propagator)
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{
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node["propagator"].String() = reverseMapFirst<std::string, TPropagatorPtr>(bonus->propagator, bonusPropagatorMap);
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}
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}
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void minimizeNode(JsonNode & node, const JsonNode & schema)
|
|
{
|
|
if (schema["type"].String() == "object")
|
|
{
|
|
std::set<std::string> foundEntries;
|
|
|
|
for(auto & entry : schema["required"].Vector())
|
|
{
|
|
std::string name = entry.String();
|
|
foundEntries.insert(name);
|
|
|
|
minimizeNode(node[name], schema["properties"][name]);
|
|
|
|
if (vstd::contains(node.Struct(), name) &&
|
|
node[name] == schema["properties"][name]["default"])
|
|
{
|
|
node.Struct().erase(name);
|
|
}
|
|
}
|
|
|
|
// erase all unhandled entries
|
|
for (auto it = node.Struct().begin(); it != node.Struct().end();)
|
|
{
|
|
if (!vstd::contains(foundEntries, it->first))
|
|
it = node.Struct().erase(it);
|
|
else
|
|
it++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void JsonUtils::minimize(JsonNode & node, std::string schemaName)
|
|
{
|
|
minimizeNode(node, getSchema(schemaName));
|
|
}
|
|
|
|
// FIXME: except for several lines function is identical to minimizeNode. Some way to reduce duplication?
|
|
void maximizeNode(JsonNode & node, const JsonNode & schema)
|
|
{
|
|
// "required" entry can only be found in object/struct
|
|
if (schema["type"].String() == "object")
|
|
{
|
|
std::set<std::string> foundEntries;
|
|
|
|
// check all required entries that have default version
|
|
for(auto & entry : schema["required"].Vector())
|
|
{
|
|
std::string name = entry.String();
|
|
foundEntries.insert(name);
|
|
|
|
if (node[name].isNull() &&
|
|
!schema["properties"][name]["default"].isNull())
|
|
{
|
|
node[name] = schema["properties"][name]["default"];
|
|
}
|
|
maximizeNode(node[name], schema["properties"][name]);
|
|
}
|
|
|
|
// erase all unhandled entries
|
|
for (auto it = node.Struct().begin(); it != node.Struct().end();)
|
|
{
|
|
if (!vstd::contains(foundEntries, it->first))
|
|
it = node.Struct().erase(it);
|
|
else
|
|
it++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void JsonUtils::maximize(JsonNode & node, std::string schemaName)
|
|
{
|
|
maximizeNode(node, getSchema(schemaName));
|
|
}
|
|
|
|
bool JsonUtils::validate(const JsonNode &node, std::string schemaName, std::string dataName)
|
|
{
|
|
std::string log = Validation::check(schemaName, node);
|
|
if (!log.empty())
|
|
{
|
|
logGlobal->warnStream() << "Data in " << dataName << " is invalid!";
|
|
logGlobal->warnStream() << log;
|
|
}
|
|
return log.empty();
|
|
}
|
|
|
|
const JsonNode & getSchemaByName(std::string name)
|
|
{
|
|
// cached schemas to avoid loading json data multiple times
|
|
static std::map<std::string, JsonNode> loadedSchemas;
|
|
|
|
if (vstd::contains(loadedSchemas, name))
|
|
return loadedSchemas[name];
|
|
|
|
std::string filename = "config/schemas/" + name + ".json";
|
|
|
|
if (CResourceHandler::get()->existsResource(ResourceID(filename)))
|
|
{
|
|
loadedSchemas[name] = JsonNode(ResourceID(filename));
|
|
return loadedSchemas[name];
|
|
}
|
|
|
|
logGlobal->errorStream() << "Error: missing schema with name " << name << "!";
|
|
assert(0);
|
|
return nullNode;
|
|
}
|
|
|
|
const JsonNode & JsonUtils::getSchema(std::string URI)
|
|
{
|
|
std::vector<std::string> segments;
|
|
|
|
size_t posColon = URI.find(':');
|
|
size_t posHash = URI.find('#');
|
|
assert(posColon != std::string::npos);
|
|
|
|
std::string protocolName = URI.substr(0, posColon);
|
|
std::string filename = URI.substr(posColon + 1, posHash - posColon - 1);
|
|
|
|
if (protocolName != "vcmi")
|
|
{
|
|
logGlobal->errorStream() << "Error: unsupported URI protocol for schema: " << segments[0];
|
|
return nullNode;
|
|
}
|
|
|
|
// check if json pointer if present (section after hash in string)
|
|
if (posHash == std::string::npos || posHash == URI.size() - 1)
|
|
return getSchemaByName(filename);
|
|
else
|
|
return getSchemaByName(filename).resolvePointer(URI.substr(posHash + 1));
|
|
}
|
|
|
|
void JsonUtils::merge(JsonNode & dest, JsonNode & source)
|
|
{
|
|
if (dest.getType() == JsonNode::DATA_NULL)
|
|
{
|
|
std::swap(dest, source);
|
|
return;
|
|
}
|
|
|
|
switch (source.getType())
|
|
{
|
|
case JsonNode::DATA_NULL:
|
|
{
|
|
dest.clear();
|
|
break;
|
|
}
|
|
case JsonNode::DATA_BOOL:
|
|
case JsonNode::DATA_FLOAT:
|
|
case JsonNode::DATA_STRING:
|
|
case JsonNode::DATA_VECTOR:
|
|
{
|
|
std::swap(dest, source);
|
|
break;
|
|
}
|
|
case JsonNode::DATA_STRUCT:
|
|
{
|
|
//recursively merge all entries from struct
|
|
for(auto & node : source.Struct())
|
|
merge(dest[node.first], node.second);
|
|
}
|
|
}
|
|
}
|
|
|
|
void JsonUtils::mergeCopy(JsonNode & dest, JsonNode source)
|
|
{
|
|
// uses copy created in stack to safely merge two nodes
|
|
merge(dest, source);
|
|
}
|
|
|
|
void JsonUtils::inherit(JsonNode & descendant, const JsonNode & base)
|
|
{
|
|
JsonNode inheritedNode(base);
|
|
merge(inheritedNode,descendant);
|
|
descendant.swap(inheritedNode);
|
|
}
|
|
|
|
JsonNode JsonUtils::assembleFromFiles(std::vector<std::string> files)
|
|
{
|
|
bool isValid;
|
|
return assembleFromFiles(files, isValid);
|
|
}
|
|
|
|
JsonNode JsonUtils::assembleFromFiles(std::vector<std::string> files, bool &isValid)
|
|
{
|
|
isValid = true;
|
|
JsonNode result;
|
|
|
|
for(std::string file : files)
|
|
{
|
|
bool isValidFile;
|
|
JsonNode section(ResourceID(file, EResType::TEXT), isValidFile);
|
|
merge(result, section);
|
|
isValid |= isValidFile;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
JsonNode JsonUtils::assembleFromFiles(std::string filename)
|
|
{
|
|
JsonNode result;
|
|
ResourceID resID(filename, EResType::TEXT);
|
|
|
|
for(auto & loader : CResourceHandler::get()->getResourcesWithName(resID))
|
|
{
|
|
// FIXME: some way to make this code more readable
|
|
auto stream = loader->load(resID);
|
|
std::unique_ptr<ui8[]> textData(new ui8[stream->getSize()]);
|
|
stream->read(textData.get(), stream->getSize());
|
|
|
|
JsonNode section((char*)textData.get(), stream->getSize());
|
|
merge(result, section);
|
|
}
|
|
return result;
|
|
}
|