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