mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-28 23:06:24 +02:00
5f1c5c6731
Initial support of new terrains
130 lines
4.0 KiB
C++
130 lines
4.0 KiB
C++
/*
|
|
* JsonDetail.h, part of VCMI engine
|
|
*
|
|
* Authors: listed in file AUTHORS in main folder
|
|
*
|
|
* License: GNU General Public License v2.0 or later
|
|
* Full text of license available in license.txt file, in main folder
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
#include "JsonNode.h"
|
|
|
|
class JsonWriter
|
|
{
|
|
//prefix for each line (tabulation)
|
|
std::string prefix;
|
|
std::ostream & out;
|
|
//sets whether compact nodes are written in single-line format
|
|
bool compact;
|
|
//tracks whether we are currently using single-line format
|
|
bool compactMode = false;
|
|
public:
|
|
template<typename Iterator>
|
|
void writeContainer(Iterator begin, Iterator end);
|
|
void writeEntry(JsonMap::const_iterator entry);
|
|
void writeEntry(JsonVector::const_iterator entry);
|
|
void writeString(const std::string & string);
|
|
void writeNode(const JsonNode & node);
|
|
JsonWriter(std::ostream & output, bool compact = false);
|
|
};
|
|
|
|
//Tiny string class that uses const char* as data for speed, members are private
|
|
//for ease of debugging and some compatibility with std::string
|
|
class constString
|
|
{
|
|
const char *data;
|
|
const size_t datasize;
|
|
|
|
public:
|
|
constString(const char * inputString, size_t stringSize):
|
|
data(inputString),
|
|
datasize(stringSize)
|
|
{
|
|
}
|
|
|
|
inline size_t size() const
|
|
{
|
|
return datasize;
|
|
};
|
|
|
|
inline const char& operator[] (size_t position)
|
|
{
|
|
assert (position < datasize);
|
|
return data[position];
|
|
}
|
|
};
|
|
|
|
//Internal class for string -> JsonNode conversion
|
|
class DLL_LINKAGE JsonParser
|
|
{
|
|
std::string errors; // Contains description of all encountered errors
|
|
constString input; // Input data
|
|
ui32 lineCount; // Currently parsed line, starting from 1
|
|
size_t lineStart; // Position of current line start
|
|
size_t pos; // Current position of parser
|
|
|
|
//Helpers
|
|
bool extractEscaping(std::string &str);
|
|
bool extractLiteral(const std::string &literal);
|
|
bool extractString(std::string &string);
|
|
bool extractWhitespace(bool verbose = true);
|
|
bool extractSeparator();
|
|
bool extractElement(JsonNode &node, char terminator);
|
|
|
|
//Methods for extracting JSON data
|
|
bool extractArray(JsonNode &node);
|
|
bool extractFalse(JsonNode &node);
|
|
bool extractFloat(JsonNode &node);
|
|
bool extractNull(JsonNode &node);
|
|
bool extractString(JsonNode &node);
|
|
bool extractStruct(JsonNode &node);
|
|
bool extractTrue(JsonNode &node);
|
|
bool extractValue(JsonNode &node);
|
|
|
|
//Add error\warning message to list
|
|
bool error(const std::string &message, bool warning=false);
|
|
|
|
public:
|
|
JsonParser(const char * inputString, size_t stringSize);
|
|
|
|
/// do actual parsing. filename is name of file that will printed to console if any errors were found
|
|
JsonNode parse(std::string fileName);
|
|
|
|
/// returns true if parsing was successful
|
|
bool isValid();
|
|
};
|
|
|
|
//Internal class for Json validation. Mostly compilant with json-schema v4 draft
|
|
namespace Validation
|
|
{
|
|
/// struct used to pass data around during validation
|
|
struct ValidationData
|
|
{
|
|
/// path from root node to current one.
|
|
/// JsonNode is used as variant - either string (name of node) or as float (index in list)
|
|
std::vector<JsonNode> currentPath;
|
|
|
|
/// Stack of used schemas. Last schema is the one used currently.
|
|
/// May contain multiple items in case if remote references were found
|
|
std::vector<std::string> usedSchemas;
|
|
|
|
/// generates error message
|
|
std::string makeErrorMessage(const std::string &message);
|
|
};
|
|
|
|
typedef std::function<std::string(const JsonNode &)> TFormatValidator;
|
|
typedef std::unordered_map<std::string, TFormatValidator> TFormatMap;
|
|
typedef std::function<std::string(ValidationData &, const JsonNode &, const JsonNode &, const JsonNode &)> TFieldValidator;
|
|
typedef std::unordered_map<std::string, TFieldValidator> TValidatorMap;
|
|
|
|
/// map of known fields in schema
|
|
const TValidatorMap & getKnownFieldsFor(JsonNode::JsonType type);
|
|
const TFormatMap & getKnownFormats();
|
|
|
|
std::string check(std::string schemaName, const JsonNode & data);
|
|
std::string check(std::string schemaName, const JsonNode & data, ValidationData & validator);
|
|
std::string check(const JsonNode & schema, const JsonNode & data, ValidationData & validator);
|
|
}
|