Exemple #1
0
            /// <summary>
            /// Adds a string to the distinct map.
            /// </summary>
            /// <param name="value">The string to add.</param>
            /// <returns>Whether or not the value was successfully added.</returns>
            private bool AddStringValue(string value)
            {
                bool added      = false;
                int  utf8Length = Encoding.UTF8.GetByteCount(value);

                // If you fit the string with full fidelity in 24 bytes, then you might as well just hash the string.
                if (utf8Length <= UnorderdDistinctMap.UInt192Length)
                {
                    // Zero out the array since you want all trailing bytes to be 0 for the conversions that happen next.
                    Array.Clear(this.utf8Buffer, 0, this.utf8Buffer.Length);
                    Encoding.UTF8.GetBytes(value, 0, utf8Length, this.utf8Buffer, 0);

                    if (utf8Length == 0)
                    {
                        added = this.AddSimpleValue(SimpleValues.EmptyString);
                    }
                    else if (utf8Length <= UnorderdDistinctMap.UIntLength)
                    {
                        uint uintValue = BitConverter.ToUInt32(this.utf8Buffer, 0);
                        added = this.stringsLength4.Add(uintValue);
                    }
                    else if (utf8Length <= UnorderdDistinctMap.ULongLength)
                    {
                        ulong uLongValue = BitConverter.ToUInt64(this.utf8Buffer, 0);
                        added = this.stringLength8.Add(uLongValue);
                    }
                    else if (utf8Length <= UnorderdDistinctMap.UInt128Length)
                    {
                        UInt128 uInt128Value = UInt128.FromByteArray(this.utf8Buffer, 0);
                        added = this.stringLength16.Add(uInt128Value);
                    }
                    else
                    {
                        UInt192 uInt192Value = UInt192.FromByteArray(this.utf8Buffer, 0);
                        added = this.stringLength24.Add(uInt192Value);
                    }
                }
                else
                {
                    // Else the string is too large and we will just store the hash.
                    UInt192 uint192Value = DistinctMap.GetHash(CosmosString.Create(value));
                    added = this.stringLength24Plus.Add(uint192Value);
                }

                return(added);
            }
Exemple #2
0
            /// <summary>
            /// Adds a JToken to this map if it hasn't already been added.
            /// </summary>
            /// <param name="cosmosElement">The element to add.</param>
            /// <param name="hash">The hash of the token.</param>
            /// <returns>Whether or not the item was added to this Distinct Map.</returns>
            /// <remarks>This function assumes data is added in sorted order.</remarks>
            public override bool Add(CosmosElement cosmosElement, out UInt192?hash)
            {
                hash = DistinctMap.GetHash(cosmosElement);

                bool added;

                if (this.lastHash != hash)
                {
                    this.lastHash = hash.Value;
                    added         = true;
                }
                else
                {
                    added = false;
                }

                return(added);
            }
Exemple #3
0
            /// <summary>
            /// Adds a JToken to this map if it hasn't already been added.
            /// </summary>
            /// <param name="jToken">The token to add.</param>
            /// <param name="hash">The hash of the token.</param>
            /// <returns>Whether or not the item was added to this Distinct Map.</returns>
            /// <remarks>This function assumes data is added in sorted order.</remarks>
            public override bool Add(JToken jToken, out UInt192?hash)
            {
                hash = DistinctMap.GetHash(jToken);

                bool added;

                if (this.lastHash != hash)
                {
                    this.lastHash = hash.Value;
                    added         = true;
                }
                else
                {
                    added = false;
                }

                return(added);
            }
Exemple #4
0
            /// <summary>
            /// Adds an object value to the distinct map.
            /// </summary>
            /// <param name="cosmosObject">The object to add.</param>
            /// <returns>Whether or not the value was successfully added.</returns>
            private bool AddObjectValue(CosmosObject cosmosObject)
            {
                UInt192 hash = DistinctMap.GetHash(cosmosObject);

                return(this.objects.Add(hash));
            }
Exemple #5
0
            /// <summary>
            /// Adds an array value to the distinct map.
            /// </summary>
            /// <param name="array">The array to add.</param>
            /// <returns>Whether or not the value was successfully added.</returns>
            private bool AddArrayValue(CosmosArray array)
            {
                UInt192 hash = DistinctMap.GetHash(array);

                return(this.arrays.Add(hash));
            }