diff options
Diffstat (limited to 'src/univalue')
-rw-r--r-- | src/univalue/univalue.cpp | 107 | ||||
-rw-r--r-- | src/univalue/univalue.h | 102 | ||||
-rw-r--r-- | src/univalue/univalue_write.cpp | 9 |
3 files changed, 207 insertions, 11 deletions
diff --git a/src/univalue/univalue.cpp b/src/univalue/univalue.cpp index 4e445a542a..6920c44c96 100644 --- a/src/univalue/univalue.cpp +++ b/src/univalue/univalue.cpp @@ -4,12 +4,17 @@ #include <stdint.h> #include <ctype.h> +#include <iomanip> #include <sstream> +#include <stdexcept> // std::runtime_error + #include "univalue.h" +#include "utilstrencodings.h" // ParseXX + using namespace std; -static const UniValue nullValue; +const UniValue NullUniValue; void UniValue::clear() { @@ -78,9 +83,11 @@ bool UniValue::setFloat(double val) string s; ostringstream oss; - oss << val; + oss << std::setprecision(16) << val; - return setNumStr(oss.str()); + bool ret = setNumStr(oss.str()); + typ = VREAL; + return ret; } bool UniValue::setStr(const string& val_) @@ -175,11 +182,11 @@ bool UniValue::checkObject(const std::map<std::string,UniValue::VType>& t) const UniValue& UniValue::operator[](const std::string& key) const { if (typ != VOBJ) - return nullValue; + return NullUniValue; int index = findKey(key); if (index < 0) - return nullValue; + return NullUniValue; return values[index]; } @@ -187,9 +194,9 @@ const UniValue& UniValue::operator[](const std::string& key) const const UniValue& UniValue::operator[](unsigned int index) const { if (typ != VOBJ && typ != VARR) - return nullValue; + return NullUniValue; if (index >= values.size()) - return nullValue; + return NullUniValue; return values[index]; } @@ -203,9 +210,95 @@ const char *uvTypeName(UniValue::VType t) case UniValue::VARR: return "array"; case UniValue::VSTR: return "string"; case UniValue::VNUM: return "number"; + case UniValue::VREAL: return "number"; } // not reached return NULL; } +const UniValue& find_value( const UniValue& obj, const std::string& name) +{ + for (unsigned int i = 0; i < obj.keys.size(); i++) + { + if( obj.keys[i] == name ) + { + return obj.values[i]; + } + } + + return NullUniValue; +} + +std::vector<std::string> UniValue::getKeys() const +{ + if (typ != VOBJ) + throw std::runtime_error("JSON value is not an object as expected"); + return keys; +} + +std::vector<UniValue> UniValue::getValues() const +{ + if (typ != VOBJ && typ != VARR) + throw std::runtime_error("JSON value is not an object or array as expected"); + return values; +} + +bool UniValue::get_bool() const +{ + if (typ != VBOOL) + throw std::runtime_error("JSON value is not a boolean as expected"); + return getBool(); +} + +std::string UniValue::get_str() const +{ + if (typ != VSTR) + throw std::runtime_error("JSON value is not a string as expected"); + return getValStr(); +} + +int UniValue::get_int() const +{ + if (typ != VNUM) + throw std::runtime_error("JSON value is not an integer as expected"); + int32_t retval; + if (!ParseInt32(getValStr(), &retval)) + throw std::runtime_error("JSON integer out of range"); + return retval; +} + +int64_t UniValue::get_int64() const +{ + if (typ != VNUM) + throw std::runtime_error("JSON value is not an integer as expected"); + int64_t retval; + if (!ParseInt64(getValStr(), &retval)) + throw std::runtime_error("JSON integer out of range"); + return retval; +} + +double UniValue::get_real() const +{ + if (typ != VREAL && typ != VNUM) + throw std::runtime_error("JSON value is not a number as expected"); + double retval; + if (!ParseDouble(getValStr(), &retval)) + throw std::runtime_error("JSON double out of range"); + return retval; +} + +const UniValue& UniValue::get_obj() const +{ + if (typ != VOBJ) + throw std::runtime_error("JSON value is not an object as expected"); + return *this; +} + +const UniValue& UniValue::get_array() const +{ + if (typ != VARR) + throw std::runtime_error("JSON value is not an array as expected"); + return *this; +} + diff --git a/src/univalue/univalue.h b/src/univalue/univalue.h index 88d73b8c64..54239741e2 100644 --- a/src/univalue/univalue.h +++ b/src/univalue/univalue.h @@ -11,9 +11,12 @@ #include <map> #include <cassert> +#include <sstream> // .get_int64() +#include <utility> // std::pair + class UniValue { public: - enum VType { VNULL, VOBJ, VARR, VSTR, VNUM, VBOOL, }; + enum VType { VNULL, VOBJ, VARR, VSTR, VNUM, VREAL, VBOOL, }; UniValue() { typ = VNULL; } UniValue(UniValue::VType initialType, const std::string& initialStr = "") { @@ -26,6 +29,9 @@ public: UniValue(int64_t val_) { setInt(val_); } + UniValue(bool val_) { + setBool(val_); + } UniValue(int val_) { setInt(val_); } @@ -55,10 +61,10 @@ public: bool setObject(); enum VType getType() const { return typ; } - std::string getValStr() const { return val; } + const std::string& getValStr() const { return val; } bool empty() const { return (values.size() == 0); } - size_t count() const { return values.size(); } + size_t size() const { return values.size(); } bool getBool() const { return isTrue(); } bool checkObject(const std::map<std::string,UniValue::VType>& memberTypes); @@ -68,10 +74,11 @@ public: bool isNull() const { return (typ == VNULL); } bool isTrue() const { return (typ == VBOOL) && (val == "1"); } - bool isFalse() const { return (!isTrue()); } + 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 isReal() const { return (typ == VREAL); } bool isArray() const { return (typ == VARR); } bool isObject() const { return (typ == VOBJ); } @@ -130,8 +137,91 @@ private: 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; + +public: + // Strict type-specific getters, these throw std::runtime_error if the + // value is of unexpected type + std::vector<std::string> getKeys() const; + std::vector<UniValue> getValues() const; + bool get_bool() 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(); } + bool push_back(std::pair<std::string,UniValue> pear) { + return pushKV(pear.first, pear.second); + } + friend const UniValue& find_value( const UniValue& obj, const std::string& name); }; +// +// The following were added for compatibility with json_spirit. +// Most duplicate other methods, and should be removed. +// +static inline std::pair<std::string,UniValue> Pair(const char *cKey, const char *cVal) +{ + std::string key(cKey); + UniValue uVal(cVal); + return std::make_pair(key, uVal); +} + +static inline std::pair<std::string,UniValue> Pair(const char *cKey, std::string strVal) +{ + std::string key(cKey); + UniValue uVal(strVal); + return std::make_pair(key, uVal); +} + +static inline std::pair<std::string,UniValue> Pair(const char *cKey, uint64_t u64Val) +{ + std::string key(cKey); + UniValue uVal(u64Val); + return std::make_pair(key, uVal); +} + +static inline std::pair<std::string,UniValue> Pair(const char *cKey, int64_t i64Val) +{ + std::string key(cKey); + UniValue uVal(i64Val); + return std::make_pair(key, uVal); +} + +static inline std::pair<std::string,UniValue> Pair(const char *cKey, bool iVal) +{ + std::string key(cKey); + UniValue uVal(iVal); + return std::make_pair(key, uVal); +} + +static inline std::pair<std::string,UniValue> Pair(const char *cKey, int iVal) +{ + std::string key(cKey); + UniValue uVal(iVal); + return std::make_pair(key, uVal); +} + +static inline std::pair<std::string,UniValue> Pair(const char *cKey, double dVal) +{ + std::string key(cKey); + UniValue uVal(dVal); + return std::make_pair(key, uVal); +} + +static inline std::pair<std::string,UniValue> Pair(const char *cKey, const UniValue& uVal) +{ + std::string key(cKey); + return std::make_pair(key, uVal); +} + +static inline std::pair<std::string,UniValue> Pair(std::string key, const UniValue& uVal) +{ + return std::make_pair(key, uVal); +} + enum jtokentype { JTOK_ERR = -1, JTOK_NONE = 0, // eof @@ -152,4 +242,8 @@ extern enum jtokentype getJsonToken(std::string& tokenVal, unsigned int& consumed, const char *raw); extern const char *uvTypeName(UniValue::VType t); +extern const UniValue NullUniValue; + +const UniValue& find_value( const UniValue& obj, const std::string& name); + #endif // BITCOIN_UNIVALUE_UNIVALUE_H diff --git a/src/univalue/univalue_write.cpp b/src/univalue/univalue_write.cpp index 9a1d364c95..d360c253b0 100644 --- a/src/univalue/univalue_write.cpp +++ b/src/univalue/univalue_write.cpp @@ -3,6 +3,8 @@ // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include <ctype.h> +#include <iomanip> +#include <sstream> #include <stdio.h> #include "univalue.h" #include "univalue_escapes.h" @@ -59,6 +61,13 @@ string UniValue::write(unsigned int prettyIndent, case VSTR: s += "\"" + json_escape(val) + "\""; break; + case VREAL: + { + std::stringstream ss; + ss << std::showpoint << std::fixed << std::setprecision(8) << get_real(); + s += ss.str(); + } + break; case VNUM: s += val; break; |