github.com/erda-project/erda-infra@v1.0.10-0.20240327085753-f3a249292aeb/pkg/transport/http/utilities/pattern.go (about)

     1  // Copyright (c) 2021 Terminus, 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  // Reference: https://github.com/grpc-ecosystem/grpc-gateway/blob/v2.3.0/utilities/pattern.go
    16  
    17  package utilities
    18  
    19  // An OpCode is a opcode of compiled path patterns.
    20  type OpCode int
    21  
    22  // These constants are the valid values of OpCode.
    23  const (
    24  	// OpNop does nothing
    25  	OpNop = OpCode(iota)
    26  	// OpPush pushes a component to stack
    27  	OpPush
    28  	// OpLitPush pushes a component to stack if it matches to the literal
    29  	OpLitPush
    30  	// OpPushM concatenates the remaining components and pushes it to stack
    31  	OpPushM
    32  	// OpConcatN pops N items from stack, concatenates them and pushes it back to stack
    33  	OpConcatN
    34  	// OpCapture pops an item and binds it to the variable
    35  	OpCapture
    36  	// OpEnd is the least positive invalid opcode.
    37  	OpEnd
    38  )