-// Copyright (c) 2010 Sean Middleditch <sean@middleditch.us>
-// Copyright (c) 2010 Petri Lehtinen <petri@digip.org>
-//
-// Jansson is free software; you can redistribute it and/or modify
-// it under the terms of the MIT license. See LICENSE for details.
-
-#ifndef IN_JANSSON_HPP
-#error "jansson.ipp may only be included from jansson.hpp"
-#endif
-
-#include <string.h>
-
-namespace json {
- namespace detail {
- // assignment operator
- template <typename _Base>
- ValueBase<_Base>& ValueBase<_Base>::operator=(const Value& value) {
- _Base::operator=(value);
- return *this;
- }
-
- // check value type
- template <typename _Base>
- bool ValueBase<_Base>::is_undefined() const {
- return _Base::as_json() == 0;
- }
-
- template <typename _Base>
- bool ValueBase<_Base>::is_object() const {
- return json_is_object(_Base::as_json());
- }
-
- template <typename _Base>
- bool ValueBase<_Base>::is_array() const {
- return json_is_array(_Base::as_json());
- }
-
- template <typename _Base>
- bool ValueBase<_Base>::is_string() const {
- return json_is_string(_Base::as_json());
- }
-
- template <typename _Base>
- bool ValueBase<_Base>::is_integer() const {
- return json_is_integer(_Base::as_json());
- }
-
- template <typename _Base>
- bool ValueBase<_Base>::is_real() const {
- return json_is_real(_Base::as_json());
- }
-
- template <typename _Base>
- bool ValueBase<_Base>::is_number() const {
- return json_is_number(_Base::as_json());
- }
-
- template <typename _Base>
- bool ValueBase<_Base>::is_true() const {
- return json_is_true(_Base::as_json());
- }
-
- template <typename _Base>
- bool ValueBase<_Base>::is_false() const {
- return json_is_false(_Base::as_json());
- }
-
- template <typename _Base>
- bool ValueBase<_Base>::is_boolean() const {
- return json_is_boolean(_Base::as_json());
- }
-
- template <typename _Base>
- bool ValueBase<_Base>::is_null() const {
- return json_is_null(_Base::as_json());
- }
-
- // get size of array or object
- template <typename _Base>
- unsigned int ValueBase<_Base>::size() const {
- if (is_object())
- return json_object_size(_Base::as_json());
- else
- return json_array_size(_Base::as_json());
- }
-
- // get value at array index (const version)
- template <typename _Base>
- const Value ValueBase<_Base>::at(unsigned int index) const {
- return Value(json_array_get(_Base::as_json(), index));
- }
-
- template <typename _Base>
- const Value ValueBase<_Base>::operator[](signed int index) const { return at(index); }
- template <typename _Base>
- const Value ValueBase<_Base>::operator[](unsigned int index) const { return at(index); }
- template <typename _Base>
- const Value ValueBase<_Base>::operator[](signed short index) const { return at(index); }
- template <typename _Base>
- const Value ValueBase<_Base>::operator[](unsigned short index) const { return at(index); }
- template <typename _Base>
- const Value ValueBase<_Base>::operator[](signed long index) const { return at(index); }
- template <typename _Base>
- const Value ValueBase<_Base>::operator[](unsigned long index) const { return at(index); }
-
- // get value at array index (non-const version)
- template <typename _Base>
- ValueBase<ElementProxy> ValueBase<_Base>::at(unsigned int index) {
- return ElementProxy(_Base::as_json(), index);
- }
-
- template <typename _Base>
- ValueBase<ElementProxy> ValueBase<_Base>::operator[](signed int index) {
- return at(index);
- }
-
- template <typename _Base>
- ValueBase<ElementProxy> ValueBase<_Base>::operator[](unsigned int index) {
- return at(index);
- }
-
- template <typename _Base>
- ValueBase<ElementProxy> ValueBase<_Base>::operator[](signed short index) {
- return at(index);
- }
-
- template <typename _Base>
- ValueBase<ElementProxy> ValueBase<_Base>::operator[](unsigned short index) {
- return at(index);
- }
-
- template <typename _Base>
- ValueBase<ElementProxy> ValueBase<_Base>::operator[](signed long index) {
- return at(index);
- }
-
- template <typename _Base>
- ValueBase<ElementProxy> ValueBase<_Base>::operator[](unsigned long index) {
- return at(index);
- }
-
- // get object property (const version)
- template <typename _Base>
- const Value ValueBase<_Base>::get(const char* key) const {
- return Value(json_object_get(_Base::as_json(), key));
- }
-
- template <typename _Base>
- const Value ValueBase<_Base>::get(const std::string& key) const {
- return get(key.c_str());
- }
-
- template <typename _Base>
- const Value ValueBase<_Base>::operator[](const char* key) const {
- return get(key);
- }
-
- template <typename _Base>
- const Value ValueBase<_Base>::operator[](const std::string& key) const {
- return get(key.c_str());
- }
-
- // get object property (non-const version)
- template <typename _Base>
- ValueBase<PropertyProxy> ValueBase<_Base>::get(const char* key) {
- return PropertyProxy(_Base::as_json(), key);
- }
-
- template <typename _Base>
- ValueBase<PropertyProxy> ValueBase<_Base>::get(const std::string& key) {
- return get(key.c_str());
- }
-
- template <typename _Base>
- ValueBase<PropertyProxy> ValueBase<_Base>::operator[](const char* key) {
- return get(key);
- }
-
- template <typename _Base>
- ValueBase<PropertyProxy> ValueBase<_Base>::operator[](const std::string& key) {
- return get(key.c_str());
- }
-
- // clear all array/object values
- template <typename _Base>
- void ValueBase<_Base>::clear() {
- if (is_object())
- json_object_clear(_Base::as_json());
- else
- json_array_clear(_Base::as_json());
- }
-
- // get value cast to specified type
- template <typename _Base>
- const char* ValueBase<_Base>::as_cstring() const {
- return json_string_value(_Base::as_json());
- }
-
- template <typename _Base>
- std::string ValueBase<_Base>::as_string() const {
- const char* tmp = as_cstring();
- return tmp == 0 ? "" : tmp;
- }
-
- template <typename _Base>
- int ValueBase<_Base>::as_integer() const {
- return json_integer_value(_Base::as_json());
- }
-
- template <typename _Base>
- double ValueBase<_Base>::as_real() const {
- return json_real_value(_Base::as_json());
- }
-
- template <typename _Base>
- double ValueBase<_Base>::as_number() const {
- return json_number_value(_Base::as_json());
- }
-
- template <typename _Base>
- bool ValueBase<_Base>::as_boolean() const {
- return is_true();
- }
-
- // set an object property (converts value to object is not one already)
- template <typename _Base>
- _Base& ValueBase<_Base>::set_key(const char* key, const Value& value) {
- json_object_set(_Base::as_json(), key, value._Base::as_json());
- return *this;
- }
-
- template <typename _Base>
- _Base& ValueBase<_Base>::set_key(const std::string& key, const Value& value) {
- return set_key(key.c_str(), value);
- }
-
- // set an array index (converts value to object is not one already)
- template <typename _Base>
- _Base& ValueBase<_Base>::set_at(unsigned int index, const Value& value) {
- if (index == size())
- json_array_append(_Base::as_json(), value._Base::as_json());
- else
- json_array_set(_Base::as_json(), index, value._Base::as_json());
- return *this;
- }
-
- // delete an object key
- template <typename _Base>
- _Base& ValueBase<_Base>::del_key(const char* key) {
- json_object_del(_Base::as_json(), key);
- return *this;
- }
-
- template <typename _Base>
- _Base& ValueBase<_Base>::del_key(const std::string& key) {
- return del_key(key.c_str());
- }
-
- // delete an item from an array by index
- template <typename _Base>
- _Base& ValueBase<_Base>::del_at(unsigned int index) {
- json_array_remove(_Base::as_json(), index);
- return *this;
- }
-
- // insert an item into an array at a given index
- template <typename _Base>
- _Base& ValueBase<_Base>::insert_at(unsigned int index, const Value& value) {
- json_array_insert(_Base::as_json(), index, value._Base::as_json());
- return *this;
- }
-
- // write the value to a file
- template <typename _Base>
- int ValueBase<_Base>::dump_file(const char* path, int flags) const {
- return json_dump_file(_Base::as_json(), path, flags);
- }
-
- template <typename _Base>
- int ValueBase<_Base>::dump_file(const std::string& path, int flags) const {
- return dump_file(path.c_str(), flags);
- }
-
- // write the value to a string (caller must deallocate with free()!)
- template <typename _Base>
- char* ValueBase<_Base>::dumps(int flags) const {
- return json_dumps(_Base::as_json(), flags);
- }
-
- Basic::~Basic() {
- json_decref(_value);
- }
-
- // copy an existing Value
- Basic& Basic::operator=(const Basic& e) {
- if (&e != this) {
- json_decref(_value);
- _value = json_incref(e._value);
- }
- return *this;
- }
-
- // get the underlying json_t
- json_t* Basic::as_json() const {
- return _value;
- }
-
- // take ownership of a json_t (does not increase reference count)
- Basic Basic::take_ownership(json_t* json) {
- Basic v;
- v._value = json;
- return v;
- }
-
- ElementProxy::ElementProxy(json_t* array, unsigned int index)
- : _array(array), _index(index) {
- json_incref(_array);
- }
-
- ElementProxy::ElementProxy(const ElementProxy& other)
- : _array(other._array), _index(other._index) {
- json_incref(_array);
- }
-
- ElementProxy::~ElementProxy() {
- json_decref(_array);
- }
-
- // assign value to proxied array element
- ElementProxy& ElementProxy::operator=(const Value& value) {
- json_array_set(_array, _index, value.as_json());
- return *this;
- }
-
- // get the proxied element
- json_t* ElementProxy::as_json() const {
- return json_array_get(_array, _index);
- }
-
- PropertyProxy::PropertyProxy(json_t* object, const char* key)
- : _object(object), _key(0) {
- _iter = json_object_iter_at(object, key);
- if(!_iter)
- _key = strdup(key);
- json_incref(_object);
- }
-
- PropertyProxy::PropertyProxy(const PropertyProxy& other)
- : _object(other._object), _iter(other._iter), _key(0) {
- if(other._key)
- _key = strdup(other._key);
- json_incref(_object);
- }
-
- PropertyProxy::~PropertyProxy() {
- free(_key);
- json_decref(_object);
- }
-
- // assign value to proxied object property
- PropertyProxy& PropertyProxy::operator=(const Value& value) {
- if(_iter)
- json_object_iter_set(_object, _iter, value.as_json());
- else
- json_object_set(_object, _key, value.as_json());
- return *this;
- }
-
- json_t* PropertyProxy::as_json() const {
- if(_iter)
- return json_object_iter_value(_iter);
- else
- return json_object_get(_object, _key);
- }
-
- } // namespace json::detail
-
- // construct Value::Value input
- Value::Value(const char* value) {
- _value = json_string(value);
- }
-
- Value::Value(const std::string& value) {
- _value = json_string(value.c_str());
- }
-
- Value::Value(bool value) {
- _value = value ? json_true() : json_false();
- }
-
- Value::Value(signed int value) {
- _value = json_integer(value);
- }
-
- Value::Value(unsigned int value) {
- _value = json_integer(value);
- }
-
- Value::Value(signed short value) {
- _value = json_integer(value);
- }
-
- Value::Value(unsigned short value) {
- _value = json_integer(value);
- }
-
- Value::Value(signed long value) {
- _value = json_integer(value);
- }
-
- Value::Value(unsigned long value) {
- _value = json_integer(value);
- }
-
- Value::Value(float value) {
- _value = json_real(value);
- }
-
- Value::Value(double value) {
- _value = json_real(value);
- }
-
- // construct a new iterator for a given object
- Iterator::Iterator(const Value& value) : _object(value), _iter(0) {
- _iter = json_object_iter(_object.as_json());
- }
-
- // construct a new iterator for a given object
- Iterator::Iterator(const detail::ValueBase<detail::PropertyProxy>& value) :
- _object(value.as_json()), _iter(0) {
- _iter = json_object_iter(_object.as_json());
- }
-
- // increment iterator
- void Iterator::next() {
- _iter = json_object_iter_next(_object.as_json(), _iter);
- }
-
- Iterator& Iterator::operator++() { next(); return *this; }
-
- // test if iterator is still valid
- bool Iterator::valid() const {
- return _iter != 0;
- }
-
- Iterator::operator bool() const {
- return valid();
- }
-
- // get key
- const char* Iterator::ckey() const {
- return json_object_iter_key(_iter);
- }
-
- std::string Iterator::key() const {
- return ckey();
- }
-
- // get value
- const Value Iterator::value() const {
- return Value(json_object_iter_value(_iter));
- }
-
- // dereference value
- const Value Iterator::operator*() const {
- return value();
- }
-
- // create a new empty object
- Value object() {
- return Value::take_ownership(json_object());
- }
-
- // create a new empty array
- Value array() {
- return Value::take_ownership(json_array());
- }
-
- // create a new null value
- Value null() {
- return Value::take_ownership(json_null());
- }
-
- // load a file as a JSON value
- Value load_file(const char* path, json_error_t* error) {
- return Value::take_ownership(json_load_file(path, error));
- }
-
- Value load_file(const std::string& path, json_error_t* error) {
- return load_file(path.c_str(), error);
- }
-
- // load a string as a JSON value
- Value loads(const char* string, json_error_t* error) {
- return Value::take_ownership(json_loads(string, error));
- }
-
- Value loads(const std::string& string, json_error_t* error) {
- return loads(string.c_str(), error);
- }
-
-} // namespace json
-
-// stream JSON value out
-std::ostream& operator<<(std::ostream& os, const json::Value& value) {
- // get the temporary serialize string
- char* tmp = value.dumps();
- if (tmp != 0) {
- // stream temp string out and release it
- os << tmp;
- free(tmp);
- }
- return os;
-}
-
-// read JSON value
-std::istream& operator>>(std::istream& is, json::Value& value) {
- // buffer the remaining bytes into a single string for Jansson
- std::stringstream tmp;
- while (is)
- tmp << static_cast<char>(is.get());
- // parse the buffered string
- value = json::loads(tmp.str().c_str());
- return is;
-}