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// Copyright 2014 BitPay Inc.
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef __UNIVALUE_H__
#define __UNIVALUE_H__
#include <stdint.h>
#include <string>
#include <vector>
#include <map>
#include <cassert>
class UniValue {
public:
enum VType { VNULL, VOBJ, VARR, VSTR, VNUM, VBOOL, };
UniValue() { typ = VNULL; }
UniValue(UniValue::VType initialType, const std::string& initialStr = "") {
typ = initialType;
val = initialStr;
}
UniValue(uint64_t val_) {
setInt(val_);
}
UniValue(int64_t val_) {
setInt(val_);
}
UniValue(int val_) {
setInt(val_);
}
UniValue(double val_) {
setFloat(val_);
}
UniValue(const std::string& val_) {
setStr(val_);
}
UniValue(const char *val_) {
std::string s(val_);
setStr(s);
}
~UniValue() {}
void clear();
bool setNull();
bool setBool(bool val);
bool setNumStr(const std::string& val);
bool setInt(uint64_t val);
bool setInt(int64_t val);
bool setInt(int val) { return setInt((int64_t)val); }
bool setFloat(double val);
bool setStr(const std::string& val);
bool setArray();
bool setObject();
enum VType getType() const { return typ; }
std::string getValStr() const { return val; }
bool empty() const { return (values.size() == 0); }
size_t count() const { return values.size(); }
bool getBool() const { return isTrue(); }
bool checkObject(const std::map<std::string,UniValue::VType>& memberTypes);
const UniValue& operator[](const std::string& key) const;
const UniValue& operator[](unsigned int index) const;
bool exists(const std::string& key) const { return (findKey(key) >= 0); }
bool isNull() const { return (typ == VNULL); }
bool isTrue() const { return (typ == VBOOL) && (val == "1"); }
bool isFalse() const { return (!isTrue()); }
bool isBool() const { return (typ == VBOOL); }
bool isStr() const { return (typ == VSTR); }
bool isNum() const { return (typ == VNUM); }
bool isArray() const { return (typ == VARR); }
bool isObject() const { return (typ == VOBJ); }
bool push_back(const UniValue& val);
bool push_back(const std::string& val_) {
UniValue tmpVal(VSTR, val_);
return push_back(tmpVal);
}
bool push_back(const char *val_) {
std::string s(val_);
return push_back(s);
}
bool push_backV(const std::vector<UniValue>& vec);
bool pushKV(const std::string& key, const UniValue& val);
bool pushKV(const std::string& key, const std::string& val) {
UniValue tmpVal(VSTR, val);
return pushKV(key, tmpVal);
}
bool pushKV(const std::string& key, const char *val_) {
std::string val(val_);
return pushKV(key, val);
}
bool pushKV(const std::string& key, int64_t val) {
UniValue tmpVal(val);
return pushKV(key, tmpVal);
}
bool pushKV(const std::string& key, uint64_t val) {
UniValue tmpVal(val);
return pushKV(key, tmpVal);
}
bool pushKV(const std::string& key, int val) {
UniValue tmpVal((int64_t)val);
return pushKV(key, tmpVal);
}
bool pushKV(const std::string& key, double val) {
UniValue tmpVal(val);
return pushKV(key, tmpVal);
}
bool pushKVs(const UniValue& obj);
std::string write(unsigned int prettyIndent = 0,
unsigned int indentLevel = 0) const;
bool read(const char *raw);
bool read(const std::string& rawStr) {
return read(rawStr.c_str());
}
private:
UniValue::VType typ;
std::string val; // numbers are stored as C++ strings
std::vector<std::string> keys;
std::vector<UniValue> values;
int findKey(const std::string& key) const;
void writeArray(unsigned int prettyIndent, unsigned int indentLevel, std::string& s) const;
void writeObject(unsigned int prettyIndent, unsigned int indentLevel, std::string& s) const;
};
enum jtokentype {
JTOK_ERR = -1,
JTOK_NONE = 0, // eof
JTOK_OBJ_OPEN,
JTOK_OBJ_CLOSE,
JTOK_ARR_OPEN,
JTOK_ARR_CLOSE,
JTOK_COLON,
JTOK_COMMA,
JTOK_KW_NULL,
JTOK_KW_TRUE,
JTOK_KW_FALSE,
JTOK_NUMBER,
JTOK_STRING,
};
extern enum jtokentype getJsonToken(std::string& tokenVal,
unsigned int& consumed, const char *raw);
extern const char *uvTypeName(UniValue::VType t);
#endif // __UNIVALUE_H__
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