github.com/ldez/golangci-lint@v1.10.1/pkg/result/processors/uniq_by_line.go (about)

     1  package processors
     2  
     3  import (
     4  	"github.com/golangci/golangci-lint/pkg/result"
     5  )
     6  
     7  type lineToCount map[int]int
     8  type fileToLineToCount map[string]lineToCount
     9  
    10  type UniqByLine struct {
    11  	flc fileToLineToCount
    12  }
    13  
    14  func NewUniqByLine() *UniqByLine {
    15  	return &UniqByLine{
    16  		flc: fileToLineToCount{},
    17  	}
    18  }
    19  
    20  var _ Processor = &UniqByLine{}
    21  
    22  func (p UniqByLine) Name() string {
    23  	return "uniq_by_line"
    24  }
    25  
    26  func (p *UniqByLine) Process(issues []result.Issue) ([]result.Issue, error) {
    27  	return filterIssues(issues, func(i *result.Issue) bool {
    28  		lc := p.flc[i.FilePath()]
    29  		if lc == nil {
    30  			lc = lineToCount{}
    31  			p.flc[i.FilePath()] = lc
    32  		}
    33  
    34  		const limit = 1
    35  		count := lc[i.Line()]
    36  		if count == limit {
    37  			return false
    38  		}
    39  
    40  		lc[i.Line()]++
    41  		return true
    42  	}), nil
    43  }
    44  
    45  func (p UniqByLine) Finish() {}