github.com/aacfactory/fns@v1.2.86-0.20240310083819-80d667fc0a17/cmd/generates/modules/annotations.go (about)

     1  /*
     2   * Copyright 2023 Wang Min Xiang
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   * 	http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   *
    16   */
    17  
    18  package modules
    19  
    20  import (
    21  	"context"
    22  	"github.com/aacfactory/gcg"
    23  )
    24  
    25  type FnAnnotationCodeWriter interface {
    26  	Annotation() (annotation string)
    27  	HandleBefore(ctx context.Context, params []string, hasFnParam bool, hasFnResult bool) (code gcg.Code, err error)
    28  	HandleAfter(ctx context.Context, params []string, hasFnParam bool, hasFnResult bool) (code gcg.Code, err error)
    29  	ProxyBefore(ctx context.Context, params []string, hasFnParam bool, hasFnResult bool) (code gcg.Code, err error)
    30  	ProxyAfter(ctx context.Context, params []string, hasFnParam bool, hasFnResult bool) (code gcg.Code, err error)
    31  }
    32  
    33  type FnAnnotationCodeWriters []FnAnnotationCodeWriter
    34  
    35  func (writers FnAnnotationCodeWriters) Get(annotation string) (w FnAnnotationCodeWriter, has bool) {
    36  	for _, writer := range writers {
    37  		if writer.Annotation() == annotation {
    38  			w = writer
    39  			has = true
    40  			return
    41  		}
    42  	}
    43  	return
    44  }