Value::UInt
Value::asUInt () const
{
switch ( type_ )
{
case nullValue:
return 0;
case intValue:
JSON_ASSERT_MESSAGE ( value_.int_ >= 0, "Negative integer can not be converted to unsigned integer" );
return value_.int_;
case uintValue:
return value_.uint_;
case realValue:
JSON_ASSERT_MESSAGE ( value_.real_ >= 0 && value_.real_ <= maxUInt, "Real out of unsigned integer range" );
return UInt ( value_.real_ );
case booleanValue:
return value_.bool_ ? 1 : 0;
case stringValue:
return beast::lexicalCastThrow <unsigned int> (value_.string_);
case arrayValue:
case objectValue:
JSON_ASSERT_MESSAGE ( false, "Type is not convertible to uint" );
default:
JSON_ASSERT_UNREACHABLE;
}
return 0; // unreachable;
}
Value::Int
Value::asInt() const
{
switch ( type_ )
{
case nullValue:
return 0;
case intValue:
return value_.int_;
case uintValue:
JSON_ASSERT_MESSAGE( value_.uint_ < (unsigned)maxInt, "integer out of signed integer range" );
return value_.uint_;
case realValue:
JSON_ASSERT_MESSAGE( value_.real_ >= minInt && value_.real_ <= maxInt, "Real out of signed integer range" );
return Int( value_.real_ );
case booleanValue:
return value_.bool_ ? 1 : 0;
case stringValue:
return value_.string_ ? atoi(value_.string_) : 0;
case arrayValue:
case objectValue:
return 0;
default:
JSON_ASSERT_UNREACHABLE;
}
return 0; // unreachable;
}
Value::UInt
Value::asUInt() const
{
switch ( type_ )
{
case nullValue:
return 0;
case intValue:
JSON_ASSERT_MESSAGE( value_.int_ >= 0, "Negative integer can not be converted to unsigned integer" );
return value_.int_;
case uintValue:
return value_.uint_;
case realValue:
JSON_ASSERT_MESSAGE( value_.real_ >= 0 && value_.real_ <= maxUInt, "Real out of unsigned integer range" );
return UInt( value_.real_ );
/* begin ---------- insert by ÂÀ³¿¹â 2011/7/10 --------- */
case int64Value:
JSON_ASSERT_MESSAGE( value_.int64_ >= 0 && value_.int64_ <= maxUInt, "long long out of signed integer range" );
return Int( value_.int64_);
case uint64Value:
JSON_ASSERT_MESSAGE( value_.uint64_ >= 0 && value_.uint64_ <= maxUInt, "unsigned long long out of signed integer range" );
return Int( value_.uint64_);
/* end ---------- insert by ÂÀ³¿¹â 2011/7/10 --------- */
case booleanValue:
return value_.bool_ ? 1 : 0;
case stringValue:
case arrayValue:
case objectValue:
JSON_ASSERT_MESSAGE( false, "Type is not convertible to uint" );
default:
JSON_ASSERT_UNREACHABLE;
}
return 0; // unreachable;
}
Value::Int64
Value::asInt64() const
{
switch ( type_ )
{
case nullValue:
return 0;
case intValue:
return value_.int_;
case uintValue:
JSON_ASSERT_MESSAGE( value_.uint_ <= UInt64(maxInt64), "unsigned integer out of Int64 range" );
return value_.uint_;
case realValue:
JSON_ASSERT_MESSAGE( value_.real_ >= minInt64 && value_.real_ <= maxInt64, "Real out of Int64 range" );
return Int( value_.real_ );
case booleanValue:
return value_.bool_ ? 1 : 0;
case stringValue:
case arrayValue:
case objectValue:
JSON_ASSERT_MESSAGE( false, "Type is not convertible to Int64" );
default:
JSON_ASSERT_UNREACHABLE;
}
return 0; // unreachable;
}
Value::Int
Value::asInt() const
{
switch ( type_ )
{
case nullValue:
return 0;
case intValue:
JSON_ASSERT_MESSAGE( value_.int_ >= minInt && value_.int_ <= maxInt, "unsigned integer out of signed int range" );
return Int(value_.int_);
case uintValue:
#ifdef MODIFY_FUNCTION_SIGN
// do nothing
#else
JSON_ASSERT_MESSAGE(value_.uint_ <= UInt(maxInt), "unsigned integer out of signed int range");
#endif
return Int(value_.uint_);
case realValue:
JSON_ASSERT_MESSAGE( value_.real_ >= minInt && value_.real_ <= maxInt, "Real out of signed integer range" );
return Int( value_.real_ );
case booleanValue:
return value_.bool_ ? 1 : 0;
case stringValue:
case arrayValue:
case objectValue:
JSON_FAIL_MESSAGE( "Type is not convertible to int" );
default:
JSON_ASSERT_UNREACHABLE;
}
return 0; // unreachable;
}
Value::UInt64
Value::asUInt64() const
{
switch ( type_ )
{
case nullValue:
return 0;
case intValue:
JSON_ASSERT_MESSAGE( value_.int_ >= 0, "Negative integer can not be converted to UInt64" );
return value_.int_;
case uintValue:
return value_.uint_;
case realValue:
JSON_ASSERT_MESSAGE( value_.real_ >= 0 && value_.real_ <= maxUInt64, "Real out of UInt64 range" );
return UInt( value_.real_ );
case booleanValue:
return value_.bool_ ? 1 : 0;
case stringValue:
case arrayValue:
case objectValue:
JSON_ASSERT_MESSAGE( false, "Type is not convertible to UInt64" );
default:
JSON_ASSERT_UNREACHABLE;
}
return 0; // unreachable;
}
Value::UInt64
Value::asUInt64() const
{
switch ( type_ )
{
case nullValue:
return false;
case intValue:
return value_.int_;
case uintValue:
return value_.uint_;
case realValue:
JSON_ASSERT_MESSAGE( value_.real_ >= 0 && value_.real_ <= maxUInt64, "Real out of signed integer 64 range" );
return UInt64( value_.real_ );
case int64Value:
JSON_ASSERT_MESSAGE( value_.int64_ >= 0, "Negative integer 64 can not be converted to unsigned integer 64" );
return value_.int64_;
case uint64Value:
return value_.uint64_;
case booleanValue:
return value_.bool_;
case stringValue:
return value_.string_ && value_.string_[0] != 0;
case arrayValue:
case objectValue:
return value_.map_->size() != 0;
default:
JSON_ASSERT_UNREACHABLE;
}
return false; // unreachable;
}
/* begin ---------- insert by ÂÀ³¿¹â 2011/7/10 --------- */
Value::Int64
Value::asInt64() const
{
switch ( type_ )
{
case nullValue:
return false;
case intValue:
return value_.int_;
case uintValue:
return value_.uint_;
case realValue:
JSON_ASSERT_MESSAGE( value_.real_ >= minInt64 && value_.real_ <= maxInt64, "Real out of signed integer 64 range" );
return Int64( value_.real_ );
case int64Value:
return value_.int64_;
case uint64Value:
JSON_ASSERT_MESSAGE( value_.uint64_ < (unsigned)maxInt64, "integer out of signed integer 64 range" );
return value_.uint64_;
case booleanValue:
return value_.bool_;
case stringValue:
return value_.string_ && value_.string_[0] != 0;
case arrayValue:
case objectValue:
return value_.map_->size() != 0;
default:
JSON_ASSERT_UNREACHABLE;
}
return false; // unreachable;
}
Value::Int
Value::asInt () const
{
switch ( type_ )
{
case nullValue:
return 0;
case intValue:
return value_.int_;
case uintValue:
JSON_ASSERT_MESSAGE ( value_.uint_ < (unsigned)maxInt, "integer out of signed integer range" );
return value_.uint_;
case realValue:
JSON_ASSERT_MESSAGE ( value_.real_ >= minInt && value_.real_ <= maxInt, "Real out of signed integer range" );
return Int ( value_.real_ );
case booleanValue:
return value_.bool_ ? 1 : 0;
case stringValue:
return beast::lexicalCastThrow <int> (value_.string_);
case arrayValue:
case objectValue:
JSON_ASSERT_MESSAGE ( false, "Type is not convertible to int" );
default:
JSON_ASSERT_UNREACHABLE;
}
return 0; // unreachable;
}
std::string
Value::asString () const
{
switch ( type_ )
{
case nullValue:
return "";
case stringValue:
return value_.string_ ? value_.string_ : "";
case booleanValue:
return value_.bool_ ? "true" : "false";
case intValue:
return beast::lexicalCastThrow <std::string> (value_.int_);
case uintValue:
case realValue:
case arrayValue:
case objectValue:
JSON_ASSERT_MESSAGE ( false, "Type is not convertible to string" );
default:
JSON_ASSERT_UNREACHABLE;
}
return ""; // unreachable
}
Value::Value(const char* value) {
initBasic(stringValue, true);
JSON_ASSERT_MESSAGE(value != nullptr,
"Null Value Passed to Value Constructor");
value_.string_ = duplicateAndPrefixStringValue(
value, static_cast<unsigned>(strlen(value)));
}
float
Value::asFloat() const
{
switch ( type_ )
{
case nullValue:
return 0.0f;
case intValue:
return static_cast<float>( value_.int_ );
case uintValue:
#if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
return static_cast<float>( value_.uint_ );
#else // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
return static_cast<float>( Int(value_.uint_/2) ) * 2 + Int(value_.uint_ & 1);
#endif // if !defined(JSON_USE_INT64_DOUBLE_CONVERSION)
case realValue:
return static_cast<float>( value_.real_ );
case booleanValue:
return value_.bool_ ? 1.0f : 0.0f;
case stringValue:
case arrayValue:
case objectValue:
JSON_ASSERT_MESSAGE( false, "Type is not convertible to float" );
default:
JSON_ASSERT_UNREACHABLE;
}
return 0.0f; // unreachable;
}
std::string
Value::asString() const
{
switch ( type_ )
{
case nullValue:
return "";
case stringValue:
return value_.string_ ? value_.string_ : "";
case booleanValue:
return value_.bool_ ? "true" : "false";
case intValue:
case uintValue:
{
std::stringstream ss;
ss << asInt();
return ss.str();
}
break;
case realValue:
case arrayValue:
case objectValue:
JSON_ASSERT_MESSAGE( false, "Type is not convertible to string" );
default:
JSON_ASSERT_UNREACHABLE;
}
return ""; // unreachable
}
double
Value::asDouble () const
{
switch ( type_ )
{
case nullValue:
return 0.0;
case intValue:
return value_.int_;
case uintValue:
return value_.uint_;
case realValue:
return value_.real_;
case booleanValue:
return value_.bool_ ? 1.0 : 0.0;
case stringValue:
case arrayValue:
case objectValue:
JSON_ASSERT_MESSAGE ( false, "Type is not convertible to double" );
default:
JSON_ASSERT_UNREACHABLE;
}
return 0; // unreachable;
}
void Value::CommentInfo::setComment(const char *text) {
if (comment_)
valueAllocator()->releaseStringValue(comment_);
JSON_ASSERT(text);
JSON_ASSERT_MESSAGE(text[0] == '\0' || text[0] == '/', "Comments must start with /");
// It seems that /**/ style comments are acceptable as well.
comment_ = valueAllocator()->duplicateStringValue(text);
}
unsigned Value::getCStringLength() const {
JSON_ASSERT_MESSAGE(type_ == stringValue,
"in Json::Value::asCString(): requires stringValue");
if (value_.string_ == 0) return 0;
unsigned this_len;
char const* this_str;
decodePrefixedString(this->allocated_, this->value_.string_, &this_len, &this_str);
return this_len;
}
void Value::removeMember(const char* key) {
JSON_ASSERT_MESSAGE(type() == nullValue || type() == objectValue,
"in Json::Value::removeMember(): requires objectValue");
if (type() == nullValue)
return;
CZString actualKey(key, unsigned(strlen(key)), CZString::noDuplication);
value_.map_->erase(actualKey);
}
Value::UInt64 Value::asUInt64() const {
switch (type_) {
case intValue:
JSON_ASSERT_MESSAGE(isUInt64(), "LargestInt out of UInt64 range");
return UInt64(value_.int_);
case uintValue:
return UInt64(value_.uint_);
case realValue:
JSON_ASSERT_MESSAGE(InRange(value_.real_, 0, maxUInt64),
"double out of UInt64 range");
return UInt64(value_.real_);
case nullValue:
return 0;
case booleanValue:
return value_.bool_ ? 1 : 0;
default:
break;
}
JSON_FAIL_MESSAGE("Value is not convertible to UInt64.");
}
Value Value::removeMember(const char* key)
{
JSON_ASSERT_MESSAGE(type_ == nullValue || type_ == objectValue,
"in Json::Value::removeMember(): requires objectValue");
if (type_ == nullValue)
return nullSingleton();
Value removed; // null
removeMember(key, key + strlen(key), &removed);
return removed; // still null if removeMember() did nothing
}
Value const* Value::find(char const* key, char const* cend) const
{
JSON_ASSERT_MESSAGE(
type_ == nullValue || type_ == objectValue,
"in Json::Value::find(key, end, found): requires objectValue or nullValue");
if (type_ == nullValue) return NULL;
CZString actualKey(key, static_cast<unsigned>(cend-key), CZString::noDuplication);
ObjectValues::const_iterator it = value_.map_->find(actualKey);
if (it == value_.map_->end()) return NULL;
return &(*it).second;
}
void Value::setComment(String comment, CommentPlacement placement) {
if (!comment.empty() && (comment.back() == '\n')) {
// Always discard trailing newline, to aid indentation.
comment.pop_back();
}
JSON_ASSERT(!comment.empty());
JSON_ASSERT_MESSAGE(
comment[0] == '\0' || comment[0] == '/',
"in Json::Value::setComment(): Comments must start with /");
comments_.set(placement, std::move(comment));
}
const char* Value::asCString() const {
JSON_ASSERT_MESSAGE(type() == stringValue,
"in Json::Value::asCString(): requires stringValue");
if (value_.string_ == nullptr)
return nullptr;
unsigned this_len;
char const* this_str;
decodePrefixedString(this->isAllocated(), this->value_.string_, &this_len,
&this_str);
return this_str;
}
void Value::CommentInfo::setComment(const char* text, size_t len) {
if (comment_) {
releaseStringValue(comment_, 0u);
comment_ = 0;
}
JSON_ASSERT(text != 0);
JSON_ASSERT_MESSAGE(
text[0] == '\0' || text[0] == '/',
"in Json::Value::setComment(): Comments must start with /");
// It seems that /**/ style comments are acceptable as well.
comment_ = duplicateStringValue(text, len);
}
/** Duplicates the specified string value.
* @param value Pointer to the string to duplicate. Must be zero-terminated if
* length is "unknown".
* @param length Length of the value. if equals to unknown, then it will be
* computed using strlen(value).
* @return Pointer on the duplicate instance of string.
*/
static inline char *
duplicateStringValue( const char *value,
unsigned int length = unknown )
{
if ( length == unknown )
length = (unsigned int)strlen(value);
char *newString = static_cast<char *>( malloc( length + 1 ) );
JSON_ASSERT_MESSAGE( newString != 0, "Failed to allocate string value buffer" );
memcpy( newString, value, length );
newString[length] = 0;
return newString;
}
Value::Int Value::asInt() const {
switch (type_) {
case intValue:
JSON_ASSERT_MESSAGE(isInt(), "LargestInt out of Int range");
return Int(value_.int_);
case uintValue:
JSON_ASSERT_MESSAGE(isInt(), "LargestUInt out of Int range");
return Int(value_.uint_);
case realValue:
JSON_ASSERT_MESSAGE(InRange(value_.real_, minInt, maxInt),
"double out of Int range");
return Int(value_.real_);
case nullValue:
return 0;
case booleanValue:
return value_.bool_ ? 1 : 0;
default:
break;
}
JSON_FAIL_MESSAGE("Value is not convertible to Int.");
}
const Value& Value::operator[](ArrayIndex index) const {
JSON_ASSERT_MESSAGE(
type_ == nullValue || type_ == arrayValue,
"in Json::Value::operator[](ArrayIndex)const: requires arrayValue");
if (type_ == nullValue)
return nullSingleton();
CZString key(index);
ObjectValues::const_iterator it = value_.map_->find(key);
if (it == value_.map_->end())
return nullSingleton();
return (*it).second;
}
Value const* Value::find(char const* begin, char const* end) const {
JSON_ASSERT_MESSAGE(type() == nullValue || type() == objectValue,
"in Json::Value::find(begin, end): requires "
"objectValue or nullValue");
if (type() == nullValue)
return nullptr;
CZString actualKey(begin, static_cast<unsigned>(end - begin),
CZString::noDuplication);
ObjectValues::const_iterator it = value_.map_->find(actualKey);
if (it == value_.map_->end())
return nullptr;
return &(*it).second;
}
Value::Members Value::getMemberNames() const {
JSON_ASSERT_MESSAGE(
type() == nullValue || type() == objectValue,
"in Json::Value::getMemberNames(), value must be objectValue");
if (type() == nullValue)
return Value::Members();
Members members;
members.reserve(value_.map_->size());
ObjectValues::const_iterator it = value_.map_->begin();
ObjectValues::const_iterator itEnd = value_.map_->end();
for (; it != itEnd; ++it) {
members.push_back(String((*it).first.data(), (*it).first.length()));
}
return members;
}
void Value::clear() {
JSON_ASSERT_MESSAGE(type_ == nullValue || type_ == arrayValue ||
type_ == objectValue,
"in Json::Value::clear(): requires complex value");
start_ = 0;
limit_ = 0;
switch (type_) {
case arrayValue:
case objectValue:
value_.map_->clear();
break;
default:
break;
}
}
Value& Value::operator[](ArrayIndex index) {
JSON_ASSERT_MESSAGE(
type_ == nullValue || type_ == arrayValue,
"in Json::Value::operator[](ArrayIndex): requires arrayValue");
if (type_ == nullValue)
*this = Value(arrayValue);
CZString key(index);
ObjectValues::iterator it = value_.map_->lower_bound(key);
if (it != value_.map_->end() && (*it).first == key)
return (*it).second;
ObjectValues::value_type defaultValue(key, nullSingleton());
it = value_.map_->insert(it, defaultValue);
return (*it).second;
}
