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-rw-r--r--src/univalue/include/univalue.h242
1 files changed, 242 insertions, 0 deletions
diff --git a/src/univalue/include/univalue.h b/src/univalue/include/univalue.h
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index 0000000000..048e162f7d
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+++ b/src/univalue/include/univalue.h
@@ -0,0 +1,242 @@
+// Copyright 2014 BitPay Inc.
+// Copyright 2015 Bitcoin Core Developers
+// Distributed under the MIT 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.h>
+
+#include <string>
+#include <vector>
+#include <map>
+#include <cassert>
+
+#include <sstream> // .get_int64()
+
+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(bool val_) {
+ setBool(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);
+ }
+
+ 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; }
+ const std::string& getValStr() const { return val; }
+ bool empty() const { return (values.size() == 0); }
+
+ size_t size() const { return values.size(); }
+
+ bool getBool() const { return isTrue(); }
+ void getObjMap(std::map<std::string,UniValue>& kv) const;
+ bool checkObject(const std::map<std::string,UniValue::VType>& memberTypes) const;
+ const UniValue& operator[](const std::string& key) const;
+ const UniValue& operator[](size_t index) const;
+ bool exists(const std::string& key) const { size_t i; return findKey(key, i); }
+
+ bool isNull() const { return (typ == VNULL); }
+ bool isTrue() const { return (typ == VBOOL) && (val == "1"); }
+ bool isFalse() const { return (typ == VBOOL) && (val != "1"); }
+ 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_back(uint64_t val_) {
+ UniValue tmpVal(val_);
+ return push_back(tmpVal);
+ }
+ bool push_back(int64_t val_) {
+ UniValue tmpVal(val_);
+ return push_back(tmpVal);
+ }
+ bool push_back(bool val_) {
+ UniValue tmpVal(val_);
+ return push_back(tmpVal);
+ }
+ bool push_back(int val_) {
+ UniValue tmpVal(val_);
+ return push_back(tmpVal);
+ }
+ bool push_back(double val_) {
+ UniValue tmpVal(val_);
+ return push_back(tmpVal);
+ }
+ bool push_backV(const std::vector<UniValue>& vec);
+
+ void __pushKV(const std::string& key, const UniValue& val);
+ 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, bool 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, size_t len);
+ bool read(const char *raw) { return read(raw, strlen(raw)); }
+ bool read(const std::string& rawStr) {
+ return read(rawStr.data(), rawStr.size());
+ }
+
+private:
+ UniValue::VType typ;
+ std::string val; // numbers are stored as C++ strings
+ std::vector<std::string> keys;
+ std::vector<UniValue> values;
+
+ bool findKey(const std::string& key, size_t& retIdx) 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;
+
+public:
+ // Strict type-specific getters, these throw std::runtime_error if the
+ // value is of unexpected type
+ const std::vector<std::string>& getKeys() const;
+ const std::vector<UniValue>& getValues() const;
+ bool get_bool() const;
+ const std::string& get_str() const;
+ int get_int() const;
+ int64_t get_int64() const;
+ double get_real() const;
+ const UniValue& get_obj() const;
+ const UniValue& get_array() const;
+
+ enum VType type() const { return getType(); }
+ friend const UniValue& find_value( const UniValue& obj, const std::string& name);
+};
+
+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, const char *end);
+extern const char *uvTypeName(UniValue::VType t);
+
+static inline bool jsonTokenIsValue(enum jtokentype jtt)
+{
+ switch (jtt) {
+ case JTOK_KW_NULL:
+ case JTOK_KW_TRUE:
+ case JTOK_KW_FALSE:
+ case JTOK_NUMBER:
+ case JTOK_STRING:
+ return true;
+
+ default:
+ return false;
+ }
+
+ // not reached
+}
+
+static inline bool json_isspace(int ch)
+{
+ switch (ch) {
+ case 0x20:
+ case 0x09:
+ case 0x0a:
+ case 0x0d:
+ return true;
+
+ default:
+ return false;
+ }
+
+ // not reached
+}
+
+extern const UniValue NullUniValue;
+
+const UniValue& find_value( const UniValue& obj, const std::string& name);
+
+#endif // __UNIVALUE_H__