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-rw-r--r--src/univalue/univalue.cpp107
-rw-r--r--src/univalue/univalue.h102
-rw-r--r--src/univalue/univalue_write.cpp9
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;