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67 lines
2.7 KiB
Protocol Buffer
Executable File
67 lines
2.7 KiB
Protocol Buffer
Executable File
// Copyright 2016 Michal Witkowski. All Rights Reserved.
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// See LICENSE for licensing terms.
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// Protocol Buffers extensions for defining auto-generateable validators for messages.
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// TODO(mwitkow): Add example.
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syntax = "proto2";
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package validator;
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import "google/protobuf/descriptor.proto";
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option go_package = "validator";
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// TODO(mwitkow): Email protobuf-global-extension-registry@google.com to get an extension ID.
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extend google.protobuf.FieldOptions {
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optional FieldValidator field = 65020;
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}
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message FieldValidator {
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// Uses a Golang RE2-syntax regex to match the field contents.
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optional string regex = 1;
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// Field value of integer strictly greater than this value.
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optional int64 int_gt = 2;
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// Field value of integer strictly smaller than this value.
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optional int64 int_lt = 3;
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// Used for nested message types, requires that the message type exists.
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optional bool msg_exists = 4;
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// Human error specifies a user-customizable error that is visible to the user.
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optional string human_error = 5;
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// Field value of double strictly greater than this value.
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// Note that this value can only take on a valid floating point
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// value. Use together with float_epsilon if you need something more specific.
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optional double float_gt = 6;
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// Field value of double strictly smaller than this value.
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// Note that this value can only take on a valid floating point
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// value. Use together with float_epsilon if you need something more specific.
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optional double float_lt = 7;
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// Field value of double describing the epsilon within which
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// any comparison should be considered to be true. For example,
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// when using float_gt = 0.35, using a float_epsilon of 0.05
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// would mean that any value above 0.30 is acceptable. It can be
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// thought of as a {float_value_condition} +- {float_epsilon}.
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// If unset, no correction for floating point inaccuracies in
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// comparisons will be attempted.
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optional double float_epsilon = 8;
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// Floating-point value compared to which the field content should be greater or equal.
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optional double float_gte = 9;
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// Floating-point value compared to which the field content should be smaller or equal.
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optional double float_lte = 10;
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// Used for string fields, requires the string to be not empty (i.e different from "").
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optional bool string_not_empty = 11;
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// Repeated field with at least this number of elements.
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optional int64 repeated_count_min = 12;
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// Repeated field with at most this number of elements.
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optional int64 repeated_count_max = 13;
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// Field value of length greater than this value.
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optional int64 length_gt = 14;
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// Field value of length smaller than this value.
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optional int64 length_lt = 15;
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// Field value of integer strictly equal this value.
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optional int64 length_eq = 16;
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}
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