Exemple #1
0
        public static void Merge(string text, ExtensionRegistry registry, IBuilderLite builder)
        {
            TextTokenizer   tokenizer = new TextTokenizer(text);
            TextInputStream ts        = TextInputStream.CreateInstance(tokenizer);

            builder.WeakMergeFrom(ts);
        }
        public static void Merge(string text, ExtensionRegistry registry, IBuilder builder)
        {
            TextTokenizer tokenizer = new TextTokenizer(text);

              while (!tokenizer.AtEnd) {
            MergeField(tokenizer, registry, builder);
              }
        }
Exemple #3
0
        public static void Merge(string text, ExtensionRegistry registry, IBuilder builder)
        {
            TextTokenizer tokenizer = new TextTokenizer(text);

            while (!tokenizer.AtEnd)
            {
                MergeField(tokenizer, registry, builder);
            }
        }
Exemple #4
0
        /// <summary>
        /// Parses a single field from the specified tokenizer and merges it into
        /// the builder.
        /// </summary>
        private static void MergeField(TextTokenizer tokenizer, ExtensionRegistry extensionRegistry,
                                       IBuilder builder)
        {
            FieldDescriptor field;
            MessageDescriptor type = builder.DescriptorForType;
            ExtensionInfo extension = null;

            if (tokenizer.TryConsume("["))
            {
                // An extension.
                StringBuilder name = new StringBuilder(tokenizer.ConsumeIdentifier());
                while (tokenizer.TryConsume("."))
                {
                    name.Append(".");
                    name.Append(tokenizer.ConsumeIdentifier());
                }

                extension = extensionRegistry.FindByName(type, name.ToString());

                if (extension == null)
                {
                    throw tokenizer.CreateFormatExceptionPreviousToken("Extension \"" + name +
                                                                       "\" not found in the ExtensionRegistry.");
                }
                else if (extension.Descriptor.ContainingType != type)
                {
                    throw tokenizer.CreateFormatExceptionPreviousToken("Extension \"" + name +
                                                                       "\" does not extend message type \"" +
                                                                       type.FullName + "\".");
                }

                tokenizer.Consume("]");

                field = extension.Descriptor;
            }
            else
            {
                String name = tokenizer.ConsumeIdentifier();
                field = type.FindDescriptor<FieldDescriptor>(name);

                // Group names are expected to be capitalized as they appear in the
                // .proto file, which actually matches their type names, not their field
                // names.
                if (field == null)
                {
                    // Explicitly specify the invariant culture so that this code does not break when
                    // executing in Turkey.
                    String lowerName = name.ToLowerInvariant();
                    field = type.FindDescriptor<FieldDescriptor>(lowerName);
                    // If the case-insensitive match worked but the field is NOT a group,
                    // TODO(jonskeet): What? Java comment ends here!
                    if (field != null && field.FieldType != FieldType.Group)
                    {
                        field = null;
                    }
                }
                // Again, special-case group names as described above.
                if (field != null && field.FieldType == FieldType.Group && field.MessageType.Name != name)
                {
                    field = null;
                }

                if (field == null)
                {
                    throw tokenizer.CreateFormatExceptionPreviousToken(
                        "Message type \"" + type.FullName + "\" has no field named \"" + name + "\".");
                }
            }

            object value = null;

            if (field.MappedType == MappedType.Message)
            {
                tokenizer.TryConsume(":"); // optional

                String endToken;
                if (tokenizer.TryConsume("<"))
                {
                    endToken = ">";
                }
                else
                {
                    tokenizer.Consume("{");
                    endToken = "}";
                }

                IBuilder subBuilder;
                if (extension == null)
                {
                    subBuilder = builder.CreateBuilderForField(field);
                }
                else
                {
                    subBuilder = extension.DefaultInstance.WeakCreateBuilderForType() as IBuilder;
                    if (subBuilder == null)
                    {
                        throw new NotSupportedException("Lite messages are not supported.");
                    }
                }

                while (!tokenizer.TryConsume(endToken))
                {
                    if (tokenizer.AtEnd)
                    {
                        throw tokenizer.CreateFormatException("Expected \"" + endToken + "\".");
                    }
                    MergeField(tokenizer, extensionRegistry, subBuilder);
                }

                value = subBuilder.WeakBuild();
            }
            else
            {
                tokenizer.Consume(":");

                switch (field.FieldType)
                {
                    case FieldType.Int32:
                    case FieldType.SInt32:
                    case FieldType.SFixed32:
                        value = tokenizer.ConsumeInt32();
                        break;

                    case FieldType.Int64:
                    case FieldType.SInt64:
                    case FieldType.SFixed64:
                        value = tokenizer.ConsumeInt64();
                        break;

                    case FieldType.UInt32:
                    case FieldType.Fixed32:
                        value = tokenizer.ConsumeUInt32();
                        break;

                    case FieldType.UInt64:
                    case FieldType.Fixed64:
                        value = tokenizer.ConsumeUInt64();
                        break;

                    case FieldType.Float:
                        value = tokenizer.ConsumeFloat();
                        break;

                    case FieldType.Double:
                        value = tokenizer.ConsumeDouble();
                        break;

                    case FieldType.Bool:
                        value = tokenizer.ConsumeBoolean();
                        break;

                    case FieldType.String:
                        value = tokenizer.ConsumeString();
                        break;

                    case FieldType.Bytes:
                        value = tokenizer.ConsumeByteString();
                        break;

                    case FieldType.Enum:
                        {
                            EnumDescriptor enumType = field.EnumType;

                            if (tokenizer.LookingAtInteger())
                            {
                                int number = tokenizer.ConsumeInt32();
                                value = enumType.FindValueByNumber(number);
                                if (value == null)
                                {
                                    throw tokenizer.CreateFormatExceptionPreviousToken(
                                        "Enum type \"" + enumType.FullName +
                                        "\" has no value with number " + number + ".");
                                }
                            }
                            else
                            {
                                String id = tokenizer.ConsumeIdentifier();
                                value = enumType.FindValueByName(id);
                                if (value == null)
                                {
                                    throw tokenizer.CreateFormatExceptionPreviousToken(
                                        "Enum type \"" + enumType.FullName +
                                        "\" has no value named \"" + id + "\".");
                                }
                            }

                            break;
                        }

                    case FieldType.Message:
                    case FieldType.Group:
                        throw new InvalidOperationException("Can't get here.");
                }
            }

            if (field.IsRepeated)
            {
                builder.WeakAddRepeatedField(field, value);
            }
            else
            {
                builder.SetField(field, value);
            }
        }
Exemple #5
0
        /// <summary>
        /// Parses a single field from the specified tokenizer and merges it into
        /// the builder.
        /// </summary>
        private static void MergeField(TextTokenizer tokenizer, ExtensionRegistry extensionRegistry,
                                       IBuilder builder)
        {
            FieldDescriptor   field;
            MessageDescriptor type      = builder.DescriptorForType;
            ExtensionInfo     extension = null;

            if (tokenizer.TryConsume("["))
            {
                // An extension.
                StringBuilder name = new StringBuilder(tokenizer.ConsumeIdentifier());
                while (tokenizer.TryConsume("."))
                {
                    name.Append(".");
                    name.Append(tokenizer.ConsumeIdentifier());
                }

                extension = extensionRegistry.FindByName(type, name.ToString());

                if (extension == null)
                {
                    throw tokenizer.CreateFormatExceptionPreviousToken("Extension \"" + name +
                                                                       "\" not found in the ExtensionRegistry.");
                }
                else if (extension.Descriptor.ContainingType != type)
                {
                    throw tokenizer.CreateFormatExceptionPreviousToken("Extension \"" + name +
                                                                       "\" does not extend message type \"" +
                                                                       type.FullName + "\".");
                }

                tokenizer.Consume("]");

                field = extension.Descriptor;
            }
            else
            {
                String name = tokenizer.ConsumeIdentifier();
                field = type.FindDescriptor <FieldDescriptor>(name);

                // Group names are expected to be capitalized as they appear in the
                // .proto file, which actually matches their type names, not their field
                // names.
                if (field == null)
                {
                    // Explicitly specify the invariant culture so that this code does not break when
                    // executing in Turkey.
#if PORTABLE_LIBRARY
                    String lowerName = name.ToLowerInvariant();
#else
                    String lowerName = name.ToLower(FrameworkPortability.InvariantCulture);
#endif
                    field = type.FindDescriptor <FieldDescriptor>(lowerName);
                    // If the case-insensitive match worked but the field is NOT a group,
                    // TODO(jonskeet): What? Java comment ends here!
                    if (field != null && field.FieldType != FieldType.Group)
                    {
                        field = null;
                    }
                }
                // Again, special-case group names as described above.
                if (field != null && field.FieldType == FieldType.Group && field.MessageType.Name != name)
                {
                    field = null;
                }

                if (field == null)
                {
                    throw tokenizer.CreateFormatExceptionPreviousToken(
                              "Message type \"" + type.FullName + "\" has no field named \"" + name + "\".");
                }
            }

            object value = null;

            if (field.MappedType == MappedType.Message)
            {
                tokenizer.TryConsume(":"); // optional

                String endToken;
                if (tokenizer.TryConsume("<"))
                {
                    endToken = ">";
                }
                else
                {
                    tokenizer.Consume("{");
                    endToken = "}";
                }

                IBuilder subBuilder;
                if (extension == null)
                {
                    subBuilder = builder.CreateBuilderForField(field);
                }
                else
                {
                    subBuilder = extension.DefaultInstance.WeakCreateBuilderForType() as IBuilder;
                    if (subBuilder == null)
                    {
                        throw new NotSupportedException("Lite messages are not supported.");
                    }
                }

                while (!tokenizer.TryConsume(endToken))
                {
                    if (tokenizer.AtEnd)
                    {
                        throw tokenizer.CreateFormatException("Expected \"" + endToken + "\".");
                    }
                    MergeField(tokenizer, extensionRegistry, subBuilder);
                }

                value = subBuilder.WeakBuild();
            }
            else
            {
                tokenizer.Consume(":");

                switch (field.FieldType)
                {
                case FieldType.Int32:
                case FieldType.SInt32:
                case FieldType.SFixed32:
                    value = tokenizer.ConsumeInt32();
                    break;

                case FieldType.Int64:
                case FieldType.SInt64:
                case FieldType.SFixed64:
                    value = tokenizer.ConsumeInt64();
                    break;

                case FieldType.UInt32:
                case FieldType.Fixed32:
                    value = tokenizer.ConsumeUInt32();
                    break;

                case FieldType.UInt64:
                case FieldType.Fixed64:
                    value = tokenizer.ConsumeUInt64();
                    break;

                case FieldType.Float:
                    value = tokenizer.ConsumeFloat();
                    break;

                case FieldType.Double:
                    value = tokenizer.ConsumeDouble();
                    break;

                case FieldType.Bool:
                    value = tokenizer.ConsumeBoolean();
                    break;

                case FieldType.String:
                    value = tokenizer.ConsumeString();
                    break;

                case FieldType.Bytes:
                    value = tokenizer.ConsumeByteString();
                    break;

                case FieldType.Enum:
                {
                    EnumDescriptor enumType = field.EnumType;

                    if (tokenizer.LookingAtInteger())
                    {
                        int number = tokenizer.ConsumeInt32();
                        value = enumType.FindValueByNumber(number);
                        if (value == null)
                        {
                            throw tokenizer.CreateFormatExceptionPreviousToken(
                                      "Enum type \"" + enumType.FullName +
                                      "\" has no value with number " + number + ".");
                        }
                    }
                    else
                    {
                        String id = tokenizer.ConsumeIdentifier();
                        value = enumType.FindValueByName(id);
                        if (value == null)
                        {
                            throw tokenizer.CreateFormatExceptionPreviousToken(
                                      "Enum type \"" + enumType.FullName +
                                      "\" has no value named \"" + id + "\".");
                        }
                    }

                    break;
                }

                case FieldType.Message:
                case FieldType.Group:
                    throw new InvalidOperationException("Can't get here.");
                }
            }

            if (field.IsRepeated)
            {
                builder.WeakAddRepeatedField(field, value);
            }
            else
            {
                builder.SetField(field, value);
            }
        }
Exemple #6
0
 private TextInputStream(TextTokenizer input)
 {
     this.tokenizer = input;
 }
Exemple #7
0
 /// <summary>
 /// Creates a new TextInputStream reading data from the given
 /// stream.
 /// </summary>
 public static TextInputStream CreateInstance(TextTokenizer input)
 {
     return(new TextInputStream(input));
 }