woodpecker/vendor/github.com/golangci/golangci-lint/pkg/printers/text.go
Lukas c28f7cb29f
Add golangci-lint (#502)
Initial part of #435
2021-11-14 21:01:54 +01:00

91 lines
2 KiB
Go

package printers
import (
"context"
"fmt"
"strings"
"github.com/fatih/color"
"github.com/golangci/golangci-lint/pkg/logutils"
"github.com/golangci/golangci-lint/pkg/result"
)
type Text struct {
printIssuedLine bool
useColors bool
printLinterName bool
log logutils.Log
}
func NewText(printIssuedLine, useColors, printLinterName bool, log logutils.Log) *Text {
return &Text{
printIssuedLine: printIssuedLine,
useColors: useColors,
printLinterName: printLinterName,
log: log,
}
}
func (p Text) SprintfColored(ca color.Attribute, format string, args ...interface{}) string {
if !p.useColors {
return fmt.Sprintf(format, args...)
}
c := color.New(ca)
return c.Sprintf(format, args...)
}
func (p *Text) Print(ctx context.Context, issues []result.Issue) error {
for i := range issues {
p.printIssue(&issues[i])
if !p.printIssuedLine {
continue
}
p.printSourceCode(&issues[i])
p.printUnderLinePointer(&issues[i])
}
return nil
}
func (p Text) printIssue(i *result.Issue) {
text := p.SprintfColored(color.FgRed, "%s", strings.TrimSpace(i.Text))
if p.printLinterName {
text += fmt.Sprintf(" (%s)", i.FromLinter)
}
pos := p.SprintfColored(color.Bold, "%s:%d", i.FilePath(), i.Line())
if i.Pos.Column != 0 {
pos += fmt.Sprintf(":%d", i.Pos.Column)
}
fmt.Fprintf(logutils.StdOut, "%s: %s\n", pos, text)
}
func (p Text) printSourceCode(i *result.Issue) {
for _, line := range i.SourceLines {
fmt.Fprintln(logutils.StdOut, line)
}
}
func (p Text) printUnderLinePointer(i *result.Issue) {
// if column == 0 it means column is unknown (e.g. for gosec)
if len(i.SourceLines) != 1 || i.Pos.Column == 0 {
return
}
col0 := i.Pos.Column - 1
line := i.SourceLines[0]
prefixRunes := make([]rune, 0, len(line))
for j := 0; j < len(line) && j < col0; j++ {
if line[j] == '\t' {
prefixRunes = append(prefixRunes, '\t')
} else {
prefixRunes = append(prefixRunes, ' ')
}
}
fmt.Fprintf(logutils.StdOut, "%s%s\n", string(prefixRunes), p.SprintfColored(color.FgYellow, "^"))
}