github.com/hasnat/dolt/go@v0.0.0-20210628190320-9eb5d843fbb7/store/types/uint.go (about)

     1  // Copyright 2019 Dolthub, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  // This file incorporates work covered by the following copyright and
    16  // permission notice:
    17  //
    18  // Copyright 2016 Attic Labs, Inc. All rights reserved.
    19  // Licensed under the Apache License, version 2.0:
    20  // http://www.apache.org/licenses/LICENSE-2.0
    21  
    22  package types
    23  
    24  import (
    25  	"context"
    26  	"strconv"
    27  
    28  	"github.com/dolthub/dolt/go/store/hash"
    29  )
    30  
    31  // Int is a Noms Value wrapper around the primitive int32 type.
    32  type Uint uint64
    33  
    34  // Value interface
    35  func (v Uint) Value(ctx context.Context) (Value, error) {
    36  	return v, nil
    37  }
    38  
    39  func (v Uint) Equals(other Value) bool {
    40  	return v == other
    41  }
    42  
    43  func (v Uint) Less(nbf *NomsBinFormat, other LesserValuable) (bool, error) {
    44  	if v2, ok := other.(Uint); ok {
    45  		return v < v2, nil
    46  	}
    47  
    48  	return UintKind < other.Kind(), nil
    49  }
    50  
    51  func (v Uint) Hash(nbf *NomsBinFormat) (hash.Hash, error) {
    52  	return getHash(v, nbf)
    53  }
    54  
    55  func (v Uint) isPrimitive() bool {
    56  	return true
    57  }
    58  
    59  func (v Uint) WalkValues(ctx context.Context, cb ValueCallback) error {
    60  	return nil
    61  }
    62  
    63  func (v Uint) WalkRefs(nbf *NomsBinFormat, cb RefCallback) error {
    64  	return nil
    65  }
    66  
    67  func (v Uint) typeOf() (*Type, error) {
    68  	return PrimitiveTypeMap[UintKind], nil
    69  }
    70  
    71  func (v Uint) Kind() NomsKind {
    72  	return UintKind
    73  }
    74  
    75  func (v Uint) valueReadWriter() ValueReadWriter {
    76  	return nil
    77  }
    78  
    79  func (v Uint) writeTo(w nomsWriter, nbf *NomsBinFormat) error {
    80  	err := UintKind.writeTo(w, nbf)
    81  
    82  	if err != nil {
    83  		return err
    84  	}
    85  
    86  	w.writeUint(v)
    87  
    88  	return nil
    89  }
    90  
    91  func (v Uint) readFrom(nbf *NomsBinFormat, b *binaryNomsReader) (Value, error) {
    92  	return Uint(b.ReadUint()), nil
    93  }
    94  
    95  func (v Uint) skip(nbf *NomsBinFormat, b *binaryNomsReader) {
    96  	b.skipUint()
    97  }
    98  
    99  func (v Uint) HumanReadableString() string {
   100  	return strconv.FormatUint(uint64(v), 10)
   101  }