diff options
Diffstat (limited to 'src/ProtocolBuffers/UnknownFieldSet.cs')
| -rw-r--r-- | src/ProtocolBuffers/UnknownFieldSet.cs | 1463 |
1 files changed, 803 insertions, 660 deletions
diff --git a/src/ProtocolBuffers/UnknownFieldSet.cs b/src/ProtocolBuffers/UnknownFieldSet.cs index be773e41..ee268c54 100644 --- a/src/ProtocolBuffers/UnknownFieldSet.cs +++ b/src/ProtocolBuffers/UnknownFieldSet.cs @@ -1,4 +1,5 @@ #region Copyright notice and license
+
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// http://github.com/jskeet/dotnet-protobufs/
@@ -30,6 +31,7 @@ // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
#endregion
using System;
@@ -39,730 +41,871 @@ using Google.ProtocolBuffers.Collections; using Google.ProtocolBuffers.Descriptors;
using Google.ProtocolBuffers.DescriptorProtos;
-namespace Google.ProtocolBuffers {
- /// <summary>
- /// Used to keep track of fields which were seen when parsing a protocol message
- /// but whose field numbers or types are unrecognized. This most frequently
- /// occurs when new fields are added to a message type and then messages containing
- /// those fields are read by old software that was built before the new types were
- /// added.
- ///
- /// Every message contains an UnknownFieldSet.
- ///
- /// Most users will never need to use this class directly.
- /// </summary>
- public sealed class UnknownFieldSet : IMessageLite {
-
- private static readonly UnknownFieldSet defaultInstance = new UnknownFieldSet(new Dictionary<int, UnknownField>());
-
- private readonly IDictionary<int, UnknownField> fields;
-
- private UnknownFieldSet(IDictionary<int, UnknownField> fields) {
- this.fields = fields;
- }
-
- /// <summary>
- /// Creates a new unknown field set builder.
- /// </summary>
- public static Builder CreateBuilder() {
- return new Builder();
- }
-
- /// <summary>
- /// Creates a new unknown field set builder
- /// and initialize it from <paramref name="original"/>.
- /// </summary>
- public static Builder CreateBuilder(UnknownFieldSet original) {
- return new Builder().MergeFrom(original);
- }
-
- public static UnknownFieldSet DefaultInstance {
- get { return defaultInstance; }
- }
-
+namespace Google.ProtocolBuffers
+{
/// <summary>
- /// Returns a read-only view of the mapping from field numbers to values.
+ /// Used to keep track of fields which were seen when parsing a protocol message
+ /// but whose field numbers or types are unrecognized. This most frequently
+ /// occurs when new fields are added to a message type and then messages containing
+ /// those fields are read by old software that was built before the new types were
+ /// added.
+ ///
+ /// Every message contains an UnknownFieldSet.
+ ///
+ /// Most users will never need to use this class directly.
/// </summary>
- public IDictionary<int, UnknownField> FieldDictionary {
- get { return Dictionaries.AsReadOnly(fields); }
- }
+ public sealed class UnknownFieldSet : IMessageLite
+ {
+ private static readonly UnknownFieldSet defaultInstance =
+ new UnknownFieldSet(new Dictionary<int, UnknownField>());
- /// <summary>
- /// Checks whether or not the given field number is present in the set.
- /// </summary>
- public bool HasField(int field) {
- return fields.ContainsKey(field);
- }
+ private readonly IDictionary<int, UnknownField> fields;
- /// <summary>
- /// Fetches a field by number, returning an empty field if not present.
- /// Never returns null.
- /// </summary>
- public UnknownField this[int number] {
- get {
- UnknownField ret;
- if (!fields.TryGetValue(number, out ret)) {
- ret = UnknownField.DefaultInstance;
+ private UnknownFieldSet(IDictionary<int, UnknownField> fields)
+ {
+ this.fields = fields;
}
- return ret;
- }
- }
- /// <summary>
- /// Serializes the set and writes it to <paramref name="output"/>.
- /// </summary>
- public void WriteTo(CodedOutputStream output) {
- foreach (KeyValuePair<int, UnknownField> entry in fields) {
- entry.Value.WriteTo(entry.Key, output);
- }
- }
+ /// <summary>
+ /// Creates a new unknown field set builder.
+ /// </summary>
+ public static Builder CreateBuilder()
+ {
+ return new Builder();
+ }
- /// <summary>
- /// Gets the number of bytes required to encode this set.
- /// </summary>
- public int SerializedSize {
- get {
- int result = 0;
- foreach (KeyValuePair<int, UnknownField> entry in fields) {
- result += entry.Value.GetSerializedSize(entry.Key);
+ /// <summary>
+ /// Creates a new unknown field set builder
+ /// and initialize it from <paramref name="original"/>.
+ /// </summary>
+ public static Builder CreateBuilder(UnknownFieldSet original)
+ {
+ return new Builder().MergeFrom(original);
}
- return result;
- }
- }
- /// <summary>
- /// Converts the set to a string in protocol buffer text format. This
- /// is just a trivial wrapper around TextFormat.PrintToString.
- /// </summary>
- public override String ToString() {
- return TextFormat.PrintToString(this);
- }
+ public static UnknownFieldSet DefaultInstance
+ {
+ get { return defaultInstance; }
+ }
- /// <summary>
- /// Converts the set to a string in protocol buffer text format. This
- /// is just a trivial wrapper around TextFormat.PrintToString.
- /// </summary>
- public void PrintTo(TextWriter writer) {
- TextFormat.Print(this, writer);
- }
+ /// <summary>
+ /// Returns a read-only view of the mapping from field numbers to values.
+ /// </summary>
+ public IDictionary<int, UnknownField> FieldDictionary
+ {
+ get { return Dictionaries.AsReadOnly(fields); }
+ }
- /// <summary>
- /// Serializes the message to a ByteString and returns it. This is
- /// just a trivial wrapper around WriteTo(CodedOutputStream).
- /// </summary>
- /// <returns></returns>
- public ByteString ToByteString() {
- ByteString.CodedBuilder codedBuilder = new ByteString.CodedBuilder(SerializedSize);
- WriteTo(codedBuilder.CodedOutput);
- return codedBuilder.Build();
- }
+ /// <summary>
+ /// Checks whether or not the given field number is present in the set.
+ /// </summary>
+ public bool HasField(int field)
+ {
+ return fields.ContainsKey(field);
+ }
- /// <summary>
- /// Serializes the message to a byte array and returns it. This is
- /// just a trivial wrapper around WriteTo(CodedOutputStream).
- /// </summary>
- /// <returns></returns>
- public byte[] ToByteArray() {
- byte[] data = new byte[SerializedSize];
- CodedOutputStream output = CodedOutputStream.CreateInstance(data);
- WriteTo(output);
- output.CheckNoSpaceLeft();
- return data;
- }
+ /// <summary>
+ /// Fetches a field by number, returning an empty field if not present.
+ /// Never returns null.
+ /// </summary>
+ public UnknownField this[int number]
+ {
+ get
+ {
+ UnknownField ret;
+ if (!fields.TryGetValue(number, out ret))
+ {
+ ret = UnknownField.DefaultInstance;
+ }
+ return ret;
+ }
+ }
- /// <summary>
- /// Serializes the message and writes it to <paramref name="output"/>. This is
- /// just a trivial wrapper around WriteTo(CodedOutputStream).
- /// </summary>
- /// <param name="output"></param>
- public void WriteTo(Stream output) {
- CodedOutputStream codedOutput = CodedOutputStream.CreateInstance(output);
- WriteTo(codedOutput);
- codedOutput.Flush();
- }
+ /// <summary>
+ /// Serializes the set and writes it to <paramref name="output"/>.
+ /// </summary>
+ public void WriteTo(CodedOutputStream output)
+ {
+ foreach (KeyValuePair<int, UnknownField> entry in fields)
+ {
+ entry.Value.WriteTo(entry.Key, output);
+ }
+ }
- /// <summary>
- /// Serializes the set and writes it to <paramref name="output"/> using
- /// the MessageSet wire format.
- /// </summary>
- public void WriteAsMessageSetTo(CodedOutputStream output) {
- foreach (KeyValuePair<int, UnknownField> entry in fields) {
- entry.Value.WriteAsMessageSetExtensionTo(entry.Key, output);
- }
- }
+ /// <summary>
+ /// Gets the number of bytes required to encode this set.
+ /// </summary>
+ public int SerializedSize
+ {
+ get
+ {
+ int result = 0;
+ foreach (KeyValuePair<int, UnknownField> entry in fields)
+ {
+ result += entry.Value.GetSerializedSize(entry.Key);
+ }
+ return result;
+ }
+ }
- /// <summary>
- /// Gets the number of bytes required to encode this set using the MessageSet
- /// wire format.
- /// </summary>
- public int SerializedSizeAsMessageSet {
- get {
- int result = 0;
- foreach (KeyValuePair<int, UnknownField> entry in fields) {
- result += entry.Value.GetSerializedSizeAsMessageSetExtension(entry.Key);
+ /// <summary>
+ /// Converts the set to a string in protocol buffer text format. This
+ /// is just a trivial wrapper around TextFormat.PrintToString.
+ /// </summary>
+ public override String ToString()
+ {
+ return TextFormat.PrintToString(this);
}
- return result;
- }
- }
- public override bool Equals(object other) {
- if (ReferenceEquals(this, other)) {
- return true;
- }
- UnknownFieldSet otherSet = other as UnknownFieldSet;
- return otherSet != null && Dictionaries.Equals(fields, otherSet.fields);
- }
+ /// <summary>
+ /// Converts the set to a string in protocol buffer text format. This
+ /// is just a trivial wrapper around TextFormat.PrintToString.
+ /// </summary>
+ public void PrintTo(TextWriter writer)
+ {
+ TextFormat.Print(this, writer);
+ }
- public override int GetHashCode() {
- return Dictionaries.GetHashCode(fields);
- }
+ /// <summary>
+ /// Serializes the message to a ByteString and returns it. This is
+ /// just a trivial wrapper around WriteTo(CodedOutputStream).
+ /// </summary>
+ /// <returns></returns>
+ public ByteString ToByteString()
+ {
+ ByteString.CodedBuilder codedBuilder = new ByteString.CodedBuilder(SerializedSize);
+ WriteTo(codedBuilder.CodedOutput);
+ return codedBuilder.Build();
+ }
- /// <summary>
- /// Parses an UnknownFieldSet from the given input.
- /// </summary>
- public static UnknownFieldSet ParseFrom(CodedInputStream input) {
- return CreateBuilder().MergeFrom(input).Build();
- }
+ /// <summary>
+ /// Serializes the message to a byte array and returns it. This is
+ /// just a trivial wrapper around WriteTo(CodedOutputStream).
+ /// </summary>
+ /// <returns></returns>
+ public byte[] ToByteArray()
+ {
+ byte[] data = new byte[SerializedSize];
+ CodedOutputStream output = CodedOutputStream.CreateInstance(data);
+ WriteTo(output);
+ output.CheckNoSpaceLeft();
+ return data;
+ }
- /// <summary>
- /// Parses an UnknownFieldSet from the given data.
- /// </summary>
- public static UnknownFieldSet ParseFrom(ByteString data) {
- return CreateBuilder().MergeFrom(data).Build();
- }
+ /// <summary>
+ /// Serializes the message and writes it to <paramref name="output"/>. This is
+ /// just a trivial wrapper around WriteTo(CodedOutputStream).
+ /// </summary>
+ /// <param name="output"></param>
+ public void WriteTo(Stream output)
+ {
+ CodedOutputStream codedOutput = CodedOutputStream.CreateInstance(output);
+ WriteTo(codedOutput);
+ codedOutput.Flush();
+ }
- /// <summary>
- /// Parses an UnknownFieldSet from the given data.
- /// </summary>
- public static UnknownFieldSet ParseFrom(byte[] data) {
- return CreateBuilder().MergeFrom(data).Build();
- }
+ /// <summary>
+ /// Serializes the set and writes it to <paramref name="output"/> using
+ /// the MessageSet wire format.
+ /// </summary>
+ public void WriteAsMessageSetTo(CodedOutputStream output)
+ {
+ foreach (KeyValuePair<int, UnknownField> entry in fields)
+ {
+ entry.Value.WriteAsMessageSetExtensionTo(entry.Key, output);
+ }
+ }
- /// <summary>
- /// Parses an UnknownFieldSet from the given input.
- /// </summary>
- public static UnknownFieldSet ParseFrom(Stream input) {
- return CreateBuilder().MergeFrom(input).Build();
- }
+ /// <summary>
+ /// Gets the number of bytes required to encode this set using the MessageSet
+ /// wire format.
+ /// </summary>
+ public int SerializedSizeAsMessageSet
+ {
+ get
+ {
+ int result = 0;
+ foreach (KeyValuePair<int, UnknownField> entry in fields)
+ {
+ result += entry.Value.GetSerializedSizeAsMessageSetExtension(entry.Key);
+ }
+ return result;
+ }
+ }
- #region IMessageLite Members
+ public override bool Equals(object other)
+ {
+ if (ReferenceEquals(this, other))
+ {
+ return true;
+ }
+ UnknownFieldSet otherSet = other as UnknownFieldSet;
+ return otherSet != null && Dictionaries.Equals(fields, otherSet.fields);
+ }
- public bool IsInitialized {
- get { return fields != null; }
- }
+ public override int GetHashCode()
+ {
+ return Dictionaries.GetHashCode(fields);
+ }
- public void WriteDelimitedTo(Stream output) {
- CodedOutputStream codedOutput = CodedOutputStream.CreateInstance(output);
- codedOutput.WriteRawVarint32((uint) SerializedSize);
- WriteTo(codedOutput);
- codedOutput.Flush();
- }
+ /// <summary>
+ /// Parses an UnknownFieldSet from the given input.
+ /// </summary>
+ public static UnknownFieldSet ParseFrom(CodedInputStream input)
+ {
+ return CreateBuilder().MergeFrom(input).Build();
+ }
- public IBuilderLite WeakCreateBuilderForType() {
- return new Builder();
- }
+ /// <summary>
+ /// Parses an UnknownFieldSet from the given data.
+ /// </summary>
+ public static UnknownFieldSet ParseFrom(ByteString data)
+ {
+ return CreateBuilder().MergeFrom(data).Build();
+ }
- public IBuilderLite WeakToBuilder() {
- return new Builder(fields);
- }
+ /// <summary>
+ /// Parses an UnknownFieldSet from the given data.
+ /// </summary>
+ public static UnknownFieldSet ParseFrom(byte[] data)
+ {
+ return CreateBuilder().MergeFrom(data).Build();
+ }
- public IMessageLite WeakDefaultInstanceForType {
- get { return defaultInstance; }
- }
+ /// <summary>
+ /// Parses an UnknownFieldSet from the given input.
+ /// </summary>
+ public static UnknownFieldSet ParseFrom(Stream input)
+ {
+ return CreateBuilder().MergeFrom(input).Build();
+ }
- #endregion
+ #region IMessageLite Members
- /// <summary>
- /// Builder for UnknownFieldSets.
- /// </summary>
- public sealed class Builder : IBuilderLite
- {
- /// <summary>
- /// Mapping from number to field. Note that by using a SortedList we ensure
- /// that the fields will be serialized in ascending order.
- /// </summary>
- private IDictionary<int, UnknownField> fields;
- // Optimization: We keep around a builder for the last field that was
- // modified so that we can efficiently add to it multiple times in a
- // row (important when parsing an unknown repeated field).
- private int lastFieldNumber;
- private UnknownField.Builder lastField;
-
- internal Builder() {
- fields = new SortedList<int, UnknownField>();
- }
-
- internal Builder(IDictionary<int, UnknownField> dictionary) {
- fields = new SortedList<int, UnknownField>(dictionary);
- }
-
- /// <summary>
- /// Returns a field builder for the specified field number, including any values
- /// which already exist.
- /// </summary>
- private UnknownField.Builder GetFieldBuilder(int number) {
- if (lastField != null) {
- if (number == lastFieldNumber) {
- return lastField;
- }
- // Note: AddField() will reset lastField and lastFieldNumber.
- AddField(lastFieldNumber, lastField.Build());
- }
- if (number == 0) {
- return null;
+ public bool IsInitialized
+ {
+ get { return fields != null; }
}
- lastField = UnknownField.CreateBuilder();
- UnknownField existing;
- if (fields.TryGetValue(number, out existing)) {
- lastField.MergeFrom(existing);
+ public void WriteDelimitedTo(Stream output)
+ {
+ CodedOutputStream codedOutput = CodedOutputStream.CreateInstance(output);
+ codedOutput.WriteRawVarint32((uint) SerializedSize);
+ WriteTo(codedOutput);
+ codedOutput.Flush();
}
- lastFieldNumber = number;
- return lastField;
- }
-
- /// <summary>
- /// Build the UnknownFieldSet and return it. Once this method has been called,
- /// this instance will no longer be usable. Calling any method after this
- /// will throw a NullReferenceException.
- /// </summary>
- public UnknownFieldSet Build() {
- GetFieldBuilder(0); // Force lastField to be built.
- UnknownFieldSet result = fields.Count == 0 ? DefaultInstance : new UnknownFieldSet(fields);
- fields = null;
- return result;
- }
-
- /// <summary>
- /// Adds a field to the set. If a field with the same number already exists, it
- /// is replaced.
- /// </summary>
- public Builder AddField(int number, UnknownField field) {
- if (number == 0) {
- throw new ArgumentOutOfRangeException("number", "Zero is not a valid field number.");
+
+ public IBuilderLite WeakCreateBuilderForType()
+ {
+ return new Builder();
}
- if (lastField != null && lastFieldNumber == number) {
- // Discard this.
- lastField = null;
- lastFieldNumber = 0;
+
+ public IBuilderLite WeakToBuilder()
+ {
+ return new Builder(fields);
}
- fields[number] = field;
- return this;
- }
-
- /// <summary>
- /// Resets the builder to an empty set.
- /// </summary>
- public Builder Clear() {
- fields.Clear();
- lastFieldNumber = 0;
- lastField = null;
- return this;
- }
-
- /// <summary>
- /// Parse an entire message from <paramref name="input"/> and merge
- /// its fields into this set.
- /// </summary>
- public Builder MergeFrom(CodedInputStream input) {
- while (true) {
- uint tag = input.ReadTag();
- if (tag == 0 || !MergeFieldFrom(tag, input)) {
- break;
- }
+
+ public IMessageLite WeakDefaultInstanceForType
+ {
+ get { return defaultInstance; }
}
- return this;
- }
+
+ #endregion
/// <summary>
- /// Parse a single field from <paramref name="input"/> and merge it
- /// into this set.
+ /// Builder for UnknownFieldSets.
/// </summary>
- /// <param name="tag">The field's tag number, which was already parsed.</param>
- /// <param name="input">The coded input stream containing the field</param>
- /// <returns>false if the tag is an "end group" tag, true otherwise</returns>
- [CLSCompliant(false)]
- public bool MergeFieldFrom(uint tag, CodedInputStream input) {
- int number = WireFormat.GetTagFieldNumber(tag);
- switch (WireFormat.GetTagWireType(tag)) {
- case WireFormat.WireType.Varint:
- GetFieldBuilder(number).AddVarint(input.ReadUInt64());
- return true;
- case WireFormat.WireType.Fixed64:
- GetFieldBuilder(number).AddFixed64(input.ReadFixed64());
- return true;
- case WireFormat.WireType.LengthDelimited:
- GetFieldBuilder(number).AddLengthDelimited(input.ReadBytes());
- return true;
- case WireFormat.WireType.StartGroup: {
- Builder subBuilder = CreateBuilder();
+ public sealed class Builder : IBuilderLite
+ {
+ /// <summary>
+ /// Mapping from number to field. Note that by using a SortedList we ensure
+ /// that the fields will be serialized in ascending order.
+ /// </summary>
+ private IDictionary<int, UnknownField> fields;
+
+ // Optimization: We keep around a builder for the last field that was
+ // modified so that we can efficiently add to it multiple times in a
+ // row (important when parsing an unknown repeated field).
+ private int lastFieldNumber;
+ private UnknownField.Builder lastField;
+
+ internal Builder()
+ {
+ fields = new SortedList<int, UnknownField>();
+ }
+
+ internal Builder(IDictionary<int, UnknownField> dictionary)
+ {
+ fields = new SortedList<int, UnknownField>(dictionary);
+ }
+
+ /// <summary>
+ /// Returns a field builder for the specified field number, including any values
+ /// which already exist.
+ /// </summary>
+ private UnknownField.Builder GetFieldBuilder(int number)
+ {
+ if (lastField != null)
+ {
+ if (number == lastFieldNumber)
+ {
+ return lastField;
+ }
+ // Note: AddField() will reset lastField and lastFieldNumber.
+ AddField(lastFieldNumber, lastField.Build());
+ }
+ if (number == 0)
+ {
+ return null;
+ }
+
+ lastField = UnknownField.CreateBuilder();
+ UnknownField existing;
+ if (fields.TryGetValue(number, out existing))
+ {
+ lastField.MergeFrom(existing);
+ }
+ lastFieldNumber = number;
+ return lastField;
+ }
+
+ /// <summary>
+ /// Build the UnknownFieldSet and return it. Once this method has been called,
+ /// this instance will no longer be usable. Calling any method after this
+ /// will throw a NullReferenceException.
+ /// </summary>
+ public UnknownFieldSet Build()
+ {
+ GetFieldBuilder(0); // Force lastField to be built.
+ UnknownFieldSet result = fields.Count == 0 ? DefaultInstance : new UnknownFieldSet(fields);
+ fields = null;
+ return result;
+ }
+
+ /// <summary>
+ /// Adds a field to the set. If a field with the same number already exists, it
+ /// is replaced.
+ /// </summary>
+ public Builder AddField(int number, UnknownField field)
+ {
+ if (number == 0)
+ {
+ throw new ArgumentOutOfRangeException("number", "Zero is not a valid field number.");
+ }
+ if (lastField != null && lastFieldNumber == number)
+ {
+ // Discard this.
+ lastField = null;
+ lastFieldNumber = 0;
+ }
+ fields[number] = field;
+ return this;
+ }
+
+ /// <summary>
+ /// Resets the builder to an empty set.
+ /// </summary>
+ public Builder Clear()
+ {
+ fields.Clear();
+ lastFieldNumber = 0;
+ lastField = null;
+ return this;
+ }
+
+ /// <summary>
+ /// Parse an entire message from <paramref name="input"/> and merge
+ /// its fields into this set.
+ /// </summary>
+ public Builder MergeFrom(CodedInputStream input)
+ {
+ while (true)
+ {
+ uint tag = input.ReadTag();
+ if (tag == 0 || !MergeFieldFrom(tag, input))
+ {
+ break;
+ }
+ }
+ return this;
+ }
+
+ /// <summary>
+ /// Parse a single field from <paramref name="input"/> and merge it
+ /// into this set.
+ /// </summary>
+ /// <param name="tag">The field's tag number, which was already parsed.</param>
+ /// <param name="input">The coded input stream containing the field</param>
+ /// <returns>false if the tag is an "end group" tag, true otherwise</returns>
+ [CLSCompliant(false)]
+ public bool MergeFieldFrom(uint tag, CodedInputStream input)
+ {
+ int number = WireFormat.GetTagFieldNumber(tag);
+ switch (WireFormat.GetTagWireType(tag))
+ {
+ case WireFormat.WireType.Varint:
+ GetFieldBuilder(number).AddVarint(input.ReadUInt64());
+ return true;
+ case WireFormat.WireType.Fixed64:
+ GetFieldBuilder(number).AddFixed64(input.ReadFixed64());
+ return true;
+ case WireFormat.WireType.LengthDelimited:
+ GetFieldBuilder(number).AddLengthDelimited(input.ReadBytes());
+ return true;
+ case WireFormat.WireType.StartGroup:
+ {
+ Builder subBuilder = CreateBuilder();
#pragma warning disable 0612
- input.ReadUnknownGroup(number, subBuilder);
+ input.ReadUnknownGroup(number, subBuilder);
#pragma warning restore 0612
- GetFieldBuilder(number).AddGroup(subBuilder.Build());
- return true;
- }
- case WireFormat.WireType.EndGroup:
- return false;
- case WireFormat.WireType.Fixed32:
- GetFieldBuilder(number).AddFixed32(input.ReadFixed32());
- return true;
- default:
- throw InvalidProtocolBufferException.InvalidWireType();
- }
- }
-
- /// <summary>
- /// Parses <paramref name="input"/> as an UnknownFieldSet and merge it
- /// with the set being built. This is just a small wrapper around
- /// MergeFrom(CodedInputStream).
- /// </summary>
- public Builder MergeFrom(Stream input) {
- CodedInputStream codedInput = CodedInputStream.CreateInstance(input);
- MergeFrom(codedInput);
- codedInput.CheckLastTagWas(0);
- return this;
- }
-
- /// <summary>
- /// Parses <paramref name="data"/> as an UnknownFieldSet and merge it
- /// with the set being built. This is just a small wrapper around
- /// MergeFrom(CodedInputStream).
- /// </summary>
- public Builder MergeFrom(ByteString data) {
- CodedInputStream input = data.CreateCodedInput();
- MergeFrom(input);
- input.CheckLastTagWas(0);
- return this;
- }
-
- /// <summary>
- /// Parses <paramref name="data"/> as an UnknownFieldSet and merge it
- /// with the set being built. This is just a small wrapper around
- /// MergeFrom(CodedInputStream).
- /// </summary>
- public Builder MergeFrom(byte[] data) {
- CodedInputStream input = CodedInputStream.CreateInstance(data);
- MergeFrom(input);
- input.CheckLastTagWas(0);
- return this;
- }
-
- /// <summary>
- /// Convenience method for merging a new field containing a single varint
- /// value. This is used in particular when an unknown enum value is
- /// encountered.
- /// </summary>
- [CLSCompliant(false)]
- public Builder MergeVarintField(int number, ulong value) {
- if (number == 0) {
- throw new ArgumentOutOfRangeException("number", "Zero is not a valid field number.");
- }
- GetFieldBuilder(number).AddVarint(value);
- return this;
- }
-
- /// <summary>
- /// Merges the fields from <paramref name="other"/> into this set.
- /// If a field number exists in both sets, the values in <paramref name="other"/>
- /// will be appended to the values in this set.
- /// </summary>
- public Builder MergeFrom(UnknownFieldSet other) {
- if (other != DefaultInstance) {
- foreach(KeyValuePair<int, UnknownField> entry in other.fields) {
- MergeField(entry.Key, entry.Value);
- }
- }
- return this;
- }
-
- /// <summary>
- /// Checks if the given field number is present in the set.
- /// </summary>
- public bool HasField(int number) {
- if (number == 0) {
- throw new ArgumentOutOfRangeException("number", "Zero is not a valid field number.");
- }
- return number == lastFieldNumber || fields.ContainsKey(number);
- }
-
- /// <summary>
- /// Adds a field to the unknown field set. If a field with the same
- /// number already exists, the two are merged.
- /// </summary>
- public Builder MergeField(int number, UnknownField field) {
- if (number == 0) {
- throw new ArgumentOutOfRangeException("number", "Zero is not a valid field number.");
- }
- if (HasField(number)) {
- GetFieldBuilder(number).MergeFrom(field);
- } else {
- // Optimization: We could call getFieldBuilder(number).mergeFrom(field)
- // in this case, but that would create a copy of the Field object.
- // We'd rather reuse the one passed to us, so call AddField() instead.
- AddField(number, field);
- }
- return this;
- }
-
- internal void MergeFrom(CodedInputStream input, ExtensionRegistry extensionRegistry, IBuilder builder) {
- while (true) {
- uint tag = input.ReadTag();
- if (tag == 0) {
- break;
- }
-
- if (!MergeFieldFrom(input, extensionRegistry, builder, tag)) {
- // end group tag
- break;
- }
- }
- }
-
- /// <summary>
- /// Like <see cref="MergeFrom(CodedInputStream, ExtensionRegistry, IBuilder)" />
- /// but parses a single field.
- /// </summary>
- /// <param name="input">The input to read the field from</param>
- /// <param name="extensionRegistry">Registry to use when an extension field is encountered</param>
- /// <param name="builder">Builder to merge field into, if it's a known field</param>
- /// <param name="tag">The tag, which should already have been read from the input</param>
- /// <returns>true unless the tag is an end-group tag</returns>
- internal bool MergeFieldFrom(CodedInputStream input,
- ExtensionRegistry extensionRegistry, IBuilder builder, uint tag) {
-
- MessageDescriptor type = builder.DescriptorForType;
- if (type.Options.MessageSetWireFormat && tag == WireFormat.MessageSetTag.ItemStart) {
- MergeMessageSetExtensionFromCodedStream(input, extensionRegistry, builder);
- return true;
- }
+ GetFieldBuilder(number).AddGroup(subBuilder.Build());
+ return true;
+ }
+ case WireFormat.WireType.EndGroup:
+ return false;
+ case WireFormat.WireType.Fixed32:
+ GetFieldBuilder(number).AddFixed32(input.ReadFixed32());
+ return true;
+ default:
+ throw InvalidProtocolBufferException.InvalidWireType();
+ }
+ }
- WireFormat.WireType wireType = WireFormat.GetTagWireType(tag);
- int fieldNumber = WireFormat.GetTagFieldNumber(tag);
-
- FieldDescriptor field;
- IMessageLite defaultFieldInstance = null;
-
- if (type.IsExtensionNumber(fieldNumber)) {
- ExtensionInfo extension = extensionRegistry[type, fieldNumber];
- if (extension == null) {
- field = null;
- } else {
- field = extension.Descriptor;
- defaultFieldInstance = extension.DefaultInstance;
- }
- } else {
- field = type.FindFieldByNumber(fieldNumber);
- }
+ /// <summary>
+ /// Parses <paramref name="input"/> as an UnknownFieldSet and merge it
+ /// with the set being built. This is just a small wrapper around
+ /// MergeFrom(CodedInputStream).
+ /// </summary>
+ public Builder MergeFrom(Stream input)
+ {
+ CodedInputStream codedInput = CodedInputStream.CreateInstance(input);
+ MergeFrom(codedInput);
+ codedInput.CheckLastTagWas(0);
+ return this;
+ }
- // Unknown field or wrong wire type. Skip.
- if (field == null || wireType != WireFormat.GetWireType(field)) {
- return MergeFieldFrom(tag, input);
- }
+ /// <summary>
+ /// Parses <paramref name="data"/> as an UnknownFieldSet and merge it
+ /// with the set being built. This is just a small wrapper around
+ /// MergeFrom(CodedInputStream).
+ /// </summary>
+ public Builder MergeFrom(ByteString data)
+ {
+ CodedInputStream input = data.CreateCodedInput();
+ MergeFrom(input);
+ input.CheckLastTagWas(0);
+ return this;
+ }
- if (field.IsPacked) {
- int length = (int)input.ReadRawVarint32();
- int limit = input.PushLimit(length);
- if (field.FieldType == FieldType.Enum) {
- while (!input.ReachedLimit) {
- int rawValue = input.ReadEnum();
- object value = field.EnumType.FindValueByNumber(rawValue);
- if (value == null) {
- // If the number isn't recognized as a valid value for this
- // enum, drop it (don't even add it to unknownFields).
- return true;
- }
- builder.WeakAddRepeatedField(field, value);
- }
- } else {
- while (!input.ReachedLimit) {
- Object value = input.ReadPrimitiveField(field.FieldType);
- builder.WeakAddRepeatedField(field, value);
- }
- }
- input.PopLimit(limit);
- } else {
- object value;
- switch (field.FieldType) {
- case FieldType.Group:
- case FieldType.Message: {
- IBuilderLite subBuilder;
- if (defaultFieldInstance != null) {
- subBuilder = defaultFieldInstance.WeakCreateBuilderForType();
- } else {
- subBuilder = builder.CreateBuilderForField(field);
+ /// <summary>
+ /// Parses <paramref name="data"/> as an UnknownFieldSet and merge it
+ /// with the set being built. This is just a small wrapper around
+ /// MergeFrom(CodedInputStream).
+ /// </summary>
+ public Builder MergeFrom(byte[] data)
+ {
+ CodedInputStream input = CodedInputStream.CreateInstance(data);
+ MergeFrom(input);
+ input.CheckLastTagWas(0);
+ return this;
+ }
+
+ /// <summary>
+ /// Convenience method for merging a new field containing a single varint
+ /// value. This is used in particular when an unknown enum value is
+ /// encountered.
+ /// </summary>
+ [CLSCompliant(false)]
+ public Builder MergeVarintField(int number, ulong value)
+ {
+ if (number == 0)
+ {
+ throw new ArgumentOutOfRangeException("number", "Zero is not a valid field number.");
}
- if (!field.IsRepeated) {
- subBuilder.WeakMergeFrom((IMessageLite)builder[field]);
+ GetFieldBuilder(number).AddVarint(value);
+ return this;
+ }
+
+ /// <summary>
+ /// Merges the fields from <paramref name="other"/> into this set.
+ /// If a field number exists in both sets, the values in <paramref name="other"/>
+ /// will be appended to the values in this set.
+ /// </summary>
+ public Builder MergeFrom(UnknownFieldSet other)
+ {
+ if (other != DefaultInstance)
+ {
+ foreach (KeyValuePair<int, UnknownField> entry in other.fields)
+ {
+ MergeField(entry.Key, entry.Value);
+ }
}
- if (field.FieldType == FieldType.Group) {
- input.ReadGroup(field.FieldNumber, subBuilder, extensionRegistry);
- } else {
- input.ReadMessage(subBuilder, extensionRegistry);
+ return this;
+ }
+
+ /// <summary>
+ /// Checks if the given field number is present in the set.
+ /// </summary>
+ public bool HasField(int number)
+ {
+ if (number == 0)
+ {
+ throw new ArgumentOutOfRangeException("number", "Zero is not a valid field number.");
}
- value = subBuilder.WeakBuild();
- break;
- }
- case FieldType.Enum: {
- int rawValue = input.ReadEnum();
- value = field.EnumType.FindValueByNumber(rawValue);
- // If the number isn't recognized as a valid value for this enum,
- // drop it.
- if (value == null) {
- MergeVarintField(fieldNumber, (ulong)rawValue);
- return true;
+ return number == lastFieldNumber || fields.ContainsKey(number);
+ }
+
+ /// <summary>
+ /// Adds a field to the unknown field set. If a field with the same
+ /// number already exists, the two are merged.
+ /// </summary>
+ public Builder MergeField(int number, UnknownField field)
+ {
+ if (number == 0)
+ {
+ throw new ArgumentOutOfRangeException("number", "Zero is not a valid field number.");
}
- break;
- }
- default:
- value = input.ReadPrimitiveField(field.FieldType);
- break;
- }
- if (field.IsRepeated) {
- builder.WeakAddRepeatedField(field, value);
- } else {
- builder[field] = value;
- }
- }
- return true;
- }
-
- /// <summary>
- /// Called by MergeFieldFrom to parse a MessageSet extension.
- /// </summary>
- private void MergeMessageSetExtensionFromCodedStream(CodedInputStream input,
- ExtensionRegistry extensionRegistry, IBuilder builder) {
- MessageDescriptor type = builder.DescriptorForType;
-
- // The wire format for MessageSet is:
- // message MessageSet {
- // repeated group Item = 1 {
- // required int32 typeId = 2;
- // required bytes message = 3;
- // }
- // }
- // "typeId" is the extension's field number. The extension can only be
- // a message type, where "message" contains the encoded bytes of that
- // message.
- //
- // In practice, we will probably never see a MessageSet item in which
- // the message appears before the type ID, or where either field does not
- // appear exactly once. However, in theory such cases are valid, so we
- // should be prepared to accept them.
-
- int typeId = 0;
- ByteString rawBytes = null; // If we encounter "message" before "typeId"
- IBuilderLite subBuilder = null;
- FieldDescriptor field = null;
-
- while (true) {
- uint tag = input.ReadTag();
- if (tag == 0) {
- break;
- }
-
- if (tag == WireFormat.MessageSetTag.TypeID) {
- typeId = input.ReadInt32();
- // Zero is not a valid type ID.
- if (typeId != 0) {
- ExtensionInfo extension = extensionRegistry[type, typeId];
- if (extension != null) {
- field = extension.Descriptor;
- subBuilder = extension.DefaultInstance.WeakCreateBuilderForType();
- IMessageLite originalMessage = (IMessageLite)builder[field];
- if (originalMessage != null) {
- subBuilder.WeakMergeFrom(originalMessage);
+ if (HasField(number))
+ {
+ GetFieldBuilder(number).MergeFrom(field);
}
- if (rawBytes != null) {
- // We already encountered the message. Parse it now.
- // TODO(jonskeet): Check this is okay. It's subtly different from the Java, as it doesn't create an input stream from rawBytes.
- // In fact, why don't we just call MergeFrom(rawBytes)? And what about the extension registry?
- subBuilder.WeakMergeFrom(rawBytes.CreateCodedInput());
- rawBytes = null;
+ else
+ {
+ // Optimization: We could call getFieldBuilder(number).mergeFrom(field)
+ // in this case, but that would create a copy of the Field object.
+ // We'd rather reuse the one passed to us, so call AddField() instead.
+ AddField(number, field);
}
- } else {
- // Unknown extension number. If we already saw data, put it
- // in rawBytes.
- if (rawBytes != null) {
- MergeField(typeId, UnknownField.CreateBuilder().AddLengthDelimited(rawBytes).Build());
- rawBytes = null;
+ return this;
+ }
+
+ internal void MergeFrom(CodedInputStream input, ExtensionRegistry extensionRegistry, IBuilder builder)
+ {
+ while (true)
+ {
+ uint tag = input.ReadTag();
+ if (tag == 0)
+ {
+ break;
+ }
+
+ if (!MergeFieldFrom(input, extensionRegistry, builder, tag))
+ {
+ // end group tag
+ break;
+ }
}
- }
- }
- } else if (tag == WireFormat.MessageSetTag.Message) {
- if (typeId == 0) {
- // We haven't seen a type ID yet, so we have to store the raw bytes for now.
- rawBytes = input.ReadBytes();
- } else if (subBuilder == null) {
- // We don't know how to parse this. Ignore it.
- MergeField(typeId, UnknownField.CreateBuilder().AddLengthDelimited(input.ReadBytes()).Build());
- } else {
- // We already know the type, so we can parse directly from the input
- // with no copying. Hooray!
- input.ReadMessage(subBuilder, extensionRegistry);
- }
- } else {
- // Unknown tag. Skip it.
- if (!input.SkipField(tag)) {
- break; // end of group
- }
- }
- }
+ }
- input.CheckLastTagWas(WireFormat.MessageSetTag.ItemEnd);
+ /// <summary>
+ /// Like <see cref="MergeFrom(CodedInputStream, ExtensionRegistry, IBuilder)" />
+ /// but parses a single field.
+ /// </summary>
+ /// <param name="input">The input to read the field from</param>
+ /// <param name="extensionRegistry">Registry to use when an extension field is encountered</param>
+ /// <param name="builder">Builder to merge field into, if it's a known field</param>
+ /// <param name="tag">The tag, which should already have been read from the input</param>
+ /// <returns>true unless the tag is an end-group tag</returns>
+ internal bool MergeFieldFrom(CodedInputStream input,
+ ExtensionRegistry extensionRegistry, IBuilder builder, uint tag)
+ {
+ MessageDescriptor type = builder.DescriptorForType;
+ if (type.Options.MessageSetWireFormat && tag == WireFormat.MessageSetTag.ItemStart)
+ {
+ MergeMessageSetExtensionFromCodedStream(input, extensionRegistry, builder);
+ return true;
+ }
- if (subBuilder != null) {
- builder[field] = subBuilder.WeakBuild();
- }
- }
+ WireFormat.WireType wireType = WireFormat.GetTagWireType(tag);
+ int fieldNumber = WireFormat.GetTagFieldNumber(tag);
+
+ FieldDescriptor field;
+ IMessageLite defaultFieldInstance = null;
+
+ if (type.IsExtensionNumber(fieldNumber))
+ {
+ ExtensionInfo extension = extensionRegistry[type, fieldNumber];
+ if (extension == null)
+ {
+ field = null;
+ }
+ else
+ {
+ field = extension.Descriptor;
+ defaultFieldInstance = extension.DefaultInstance;
+ }
+ }
+ else
+ {
+ field = type.FindFieldByNumber(fieldNumber);
+ }
- #region IBuilderLite Members
+ // Unknown field or wrong wire type. Skip.
+ if (field == null || wireType != WireFormat.GetWireType(field))
+ {
+ return MergeFieldFrom(tag, input);
+ }
- bool IBuilderLite.IsInitialized {
- get { return fields != null; }
- }
+ if (field.IsPacked)
+ {
+ int length = (int) input.ReadRawVarint32();
+ int limit = input.PushLimit(length);
+ if (field.FieldType == FieldType.Enum)
+ {
+ while (!input.ReachedLimit)
+ {
+ int rawValue = input.ReadEnum();
+ object value = field.EnumType.FindValueByNumber(rawValue);
+ if (value == null)
+ {
+ // If the number isn't recognized as a valid value for this
+ // enum, drop it (don't even add it to unknownFields).
+ return true;
+ }
+ builder.WeakAddRepeatedField(field, value);
+ }
+ }
+ else
+ {
+ while (!input.ReachedLimit)
+ {
+ Object value = input.ReadPrimitiveField(field.FieldType);
+ builder.WeakAddRepeatedField(field, value);
+ }
+ }
+ input.PopLimit(limit);
+ }
+ else
+ {
+ object value;
+ switch (field.FieldType)
+ {
+ case FieldType.Group:
+ case FieldType.Message:
+ {
+ IBuilderLite subBuilder;
+ if (defaultFieldInstance != null)
+ {
+ subBuilder = defaultFieldInstance.WeakCreateBuilderForType();
+ }
+ else
+ {
+ subBuilder = builder.CreateBuilderForField(field);
+ }
+ if (!field.IsRepeated)
+ {
+ subBuilder.WeakMergeFrom((IMessageLite) builder[field]);
+ }
+ if (field.FieldType == FieldType.Group)
+ {
+ input.ReadGroup(field.FieldNumber, subBuilder, extensionRegistry);
+ }
+ else
+ {
+ input.ReadMessage(subBuilder, extensionRegistry);
+ }
+ value = subBuilder.WeakBuild();
+ break;
+ }
+ case FieldType.Enum:
+ {
+ int rawValue = input.ReadEnum();
+ value = field.EnumType.FindValueByNumber(rawValue);
+ // If the number isn't recognized as a valid value for this enum,
+ // drop it.
+ if (value == null)
+ {
+ MergeVarintField(fieldNumber, (ulong) rawValue);
+ return true;
+ }
+ break;
+ }
+ default:
+ value = input.ReadPrimitiveField(field.FieldType);
+ break;
+ }
+ if (field.IsRepeated)
+ {
+ builder.WeakAddRepeatedField(field, value);
+ }
+ else
+ {
+ builder[field] = value;
+ }
+ }
+ return true;
+ }
- IBuilderLite IBuilderLite.WeakClear() {
- return Clear();
- }
+ /// <summary>
+ /// Called by MergeFieldFrom to parse a MessageSet extension.
+ /// </summary>
+ private void MergeMessageSetExtensionFromCodedStream(CodedInputStream input,
+ ExtensionRegistry extensionRegistry, IBuilder builder)
+ {
+ MessageDescriptor type = builder.DescriptorForType;
+
+ // The wire format for MessageSet is:
+ // message MessageSet {
+ // repeated group Item = 1 {
+ // required int32 typeId = 2;
+ // required bytes message = 3;
+ // }
+ // }
+ // "typeId" is the extension's field number. The extension can only be
+ // a message type, where "message" contains the encoded bytes of that
+ // message.
+ //
+ // In practice, we will probably never see a MessageSet item in which
+ // the message appears before the type ID, or where either field does not
+ // appear exactly once. However, in theory such cases are valid, so we
+ // should be prepared to accept them.
+
+ int typeId = 0;
+ ByteString rawBytes = null; // If we encounter "message" before "typeId"
+ IBuilderLite subBuilder = null;
+ FieldDescriptor field = null;
+
+ while (true)
+ {
+ uint tag = input.ReadTag();
+ if (tag == 0)
+ {
+ break;
+ }
+
+ if (tag == WireFormat.MessageSetTag.TypeID)
+ {
+ typeId = input.ReadInt32();
+ // Zero is not a valid type ID.
+ if (typeId != 0)
+ {
+ ExtensionInfo extension = extensionRegistry[type, typeId];
+ if (extension != null)
+ {
+ field = extension.Descriptor;
+ subBuilder = extension.DefaultInstance.WeakCreateBuilderForType();
+ IMessageLite originalMessage = (IMessageLite) builder[field];
+ if (originalMessage != null)
+ {
+ subBuilder.WeakMergeFrom(originalMessage);
+ }
+ if (rawBytes != null)
+ {
+ // We already encountered the message. Parse it now.
+ // TODO(jonskeet): Check this is okay. It's subtly different from the Java, as it doesn't create an input stream from rawBytes.
+ // In fact, why don't we just call MergeFrom(rawBytes)? And what about the extension registry?
+ subBuilder.WeakMergeFrom(rawBytes.CreateCodedInput());
+ rawBytes = null;
+ }
+ }
+ else
+ {
+ // Unknown extension number. If we already saw data, put it
+ // in rawBytes.
+ if (rawBytes != null)
+ {
+ MergeField(typeId, UnknownField.CreateBuilder().AddLengthDelimited(rawBytes).Build());
+ rawBytes = null;
+ }
+ }
+ }
+ }
+ else if (tag == WireFormat.MessageSetTag.Message)
+ {
+ if (typeId == 0)
+ {
+ // We haven't seen a type ID yet, so we have to store the raw bytes for now.
+ rawBytes = input.ReadBytes();
+ }
+ else if (subBuilder == null)
+ {
+ // We don't know how to parse this. Ignore it.
+ MergeField(typeId,
+ UnknownField.CreateBuilder().AddLengthDelimited(input.ReadBytes()).Build());
+ }
+ else
+ {
+ // We already know the type, so we can parse directly from the input
+ // with no copying. Hooray!
+ input.ReadMessage(subBuilder, extensionRegistry);
+ }
+ }
+ else
+ {
+ // Unknown tag. Skip it.
+ if (!input.SkipField(tag))
+ {
+ break; // end of group
+ }
+ }
+ }
- IBuilderLite IBuilderLite.WeakMergeFrom(IMessageLite message) {
- return MergeFrom((UnknownFieldSet)message);
- }
+ input.CheckLastTagWas(WireFormat.MessageSetTag.ItemEnd);
- IBuilderLite IBuilderLite.WeakMergeFrom(ByteString data) {
- return MergeFrom(data);
- }
+ if (subBuilder != null)
+ {
+ builder[field] = subBuilder.WeakBuild();
+ }
+ }
- IBuilderLite IBuilderLite.WeakMergeFrom(ByteString data, ExtensionRegistry registry) {
- return MergeFrom(data);
- }
+ #region IBuilderLite Members
- IBuilderLite IBuilderLite.WeakMergeFrom(CodedInputStream input) {
- return MergeFrom(input);
- }
+ bool IBuilderLite.IsInitialized
+ {
+ get { return fields != null; }
+ }
- IBuilderLite IBuilderLite.WeakMergeFrom(CodedInputStream input, ExtensionRegistry registry) {
- return MergeFrom(input);
- }
+ IBuilderLite IBuilderLite.WeakClear()
+ {
+ return Clear();
+ }
- IMessageLite IBuilderLite.WeakBuild() {
- return Build();
- }
+ IBuilderLite IBuilderLite.WeakMergeFrom(IMessageLite message)
+ {
+ return MergeFrom((UnknownFieldSet) message);
+ }
- IMessageLite IBuilderLite.WeakBuildPartial() {
- return Build();
- }
+ IBuilderLite IBuilderLite.WeakMergeFrom(ByteString data)
+ {
+ return MergeFrom(data);
+ }
- IBuilderLite IBuilderLite.WeakClone() {
- return Build().WeakToBuilder();
- }
+ IBuilderLite IBuilderLite.WeakMergeFrom(ByteString data, ExtensionRegistry registry)
+ {
+ return MergeFrom(data);
+ }
+
+ IBuilderLite IBuilderLite.WeakMergeFrom(CodedInputStream input)
+ {
+ return MergeFrom(input);
+ }
- IMessageLite IBuilderLite.WeakDefaultInstanceForType {
- get { return DefaultInstance; }
- }
+ IBuilderLite IBuilderLite.WeakMergeFrom(CodedInputStream input, ExtensionRegistry registry)
+ {
+ return MergeFrom(input);
+ }
- #endregion
+ IMessageLite IBuilderLite.WeakBuild()
+ {
+ return Build();
+ }
+
+ IMessageLite IBuilderLite.WeakBuildPartial()
+ {
+ return Build();
+ }
+
+ IBuilderLite IBuilderLite.WeakClone()
+ {
+ return Build().WeakToBuilder();
+ }
+
+ IMessageLite IBuilderLite.WeakDefaultInstanceForType
+ {
+ get { return DefaultInstance; }
+ }
+
+ #endregion
+ }
}
- }
-}
+}
\ No newline at end of file |