| 827 | |
| 828 | |
| 829 | bool |
| 830 | Value::isConvertibleTo( ValueType other ) const |
| 831 | { |
| 832 | switch ( type_ ) |
| 833 | { |
| 834 | case nullValue: |
| 835 | return true; |
| 836 | case intValue: |
| 837 | return ( other == nullValue && value_.int_ == 0 ) |
| 838 | || other == intValue |
| 839 | || ( other == uintValue && value_.int_ >= 0 ) |
| 840 | || other == realValue |
| 841 | || other == stringValue |
| 842 | || other == booleanValue; |
| 843 | case uintValue: |
| 844 | return ( other == nullValue && value_.uint_ == 0 ) |
| 845 | || ( other == intValue && value_.uint_ <= (unsigned)maxInt ) |
| 846 | || other == uintValue |
| 847 | || other == realValue |
| 848 | || other == stringValue |
| 849 | || other == booleanValue; |
| 850 | case realValue: |
| 851 | return ( other == nullValue && value_.real_ == 0.0 ) |
| 852 | || ( other == intValue && value_.real_ >= minInt && value_.real_ <= maxInt ) |
| 853 | || ( other == uintValue && value_.real_ >= 0 && value_.real_ <= maxUInt ) |
| 854 | || other == realValue |
| 855 | || other == stringValue |
| 856 | || other == booleanValue; |
| 857 | case booleanValue: |
| 858 | return ( other == nullValue && value_.bool_ == false ) |
| 859 | || other == intValue |
| 860 | || other == uintValue |
| 861 | || other == realValue |
| 862 | || other == stringValue |
| 863 | || other == booleanValue; |
| 864 | case stringValue: |
| 865 | return other == stringValue |
| 866 | || ( other == nullValue && (!value_.string_ || value_.string_[0] == 0) ); |
| 867 | case arrayValue: |
| 868 | return other == arrayValue |
| 869 | || ( other == nullValue && value_.map_->size() == 0 ); |
| 870 | case objectValue: |
| 871 | return other == objectValue |
| 872 | || ( other == nullValue && value_.map_->size() == 0 ); |
| 873 | default: |
| 874 | JSON_ASSERT_UNREACHABLE; |
| 875 | } |
| 876 | return false; // unreachable; |
| 877 | } |
| 878 | |
| 879 | |
| 880 | /// Number of values in array or object |