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Optimize value range check

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This commit is contained in:
Alexander V. Brezgin 2016-11-20 03:50:32 +03:00
parent 12e9ef32f9
commit b4abc8241f
1 changed files with 12 additions and 0 deletions
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12
src/lib_json/json_value.cpp
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@ -1279,7 +1279,11 @@ bool Value::isBool() const { return type_ == booleanValue; }
bool Value::isInt() const {
switch (type_) {
case intValue:
#if defined(JSON_HAS_INT64)
return value_.int_ >= minInt && value_.int_ <= maxInt;
#else
return true;
#endif
case uintValue:
return value_.uint_ <= UInt(maxInt);
case realValue:
@ -1294,9 +1298,17 @@ bool Value::isInt() const {
bool Value::isUInt() const {
switch (type_) {
case intValue:
#if defined(JSON_HAS_INT64)
return value_.int_ >= 0 && LargestUInt(value_.int_) <= LargestUInt(maxUInt);
#else
return value_.int_ >= 0;
#endif
case uintValue:
#if defined(JSON_HAS_INT64)
return value_.uint_ <= maxUInt;
#else
return true;
#endif
case realValue:
return value_.real_ >= 0 && value_.real_ <= maxUInt &&
IsIntegral(value_.real_);