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package formatter
import (
"bytes"
"fmt"
"github.com/fatih/color"
"github.com/mgechev/revive/lint"
"github.com/olekukonko/tablewriter"
)
// Stylish is an implementation of the Formatter interface
// which formats the errors to JSON.
type Stylish struct {
Metadata lint.FormatterMetadata
}
// Name returns the name of the formatter
func (f *Stylish) Name() string {
return "stylish"
}
func formatFailure(failure lint.Failure, severity lint.Severity) []string {
fString := color.CyanString(failure.Failure)
fName := color.RedString("https://revive.run/r#" + failure.RuleName)
lineColumn := failure.Position
pos := fmt.Sprintf("(%d, %d)", lineColumn.Start.Line, lineColumn.Start.Column)
if severity == lint.SeverityWarning {
fName = color.YellowString("https://revive.run/r#" + failure.RuleName)
}
return []string{failure.GetFilename(), pos, fName, fString}
}
// Format formats the failures gotten from the lint.
func (f *Stylish) Format(failures <-chan lint.Failure, config lint.Config) (string, error) {
var result [][]string
var totalErrors = 0
var total = 0
for f := range failures {
total++
currentType := severity(config, f)
if currentType == lint.SeverityError {
totalErrors++
}
result = append(result, formatFailure(f, lint.Severity(currentType)))
}
ps := "problems"
if total == 1 {
ps = "problem"
}
fileReport := make(map[string][][]string)
for _, row := range result {
if _, ok := fileReport[row[0]]; !ok {
fileReport[row[0]] = [][]string{}
}
fileReport[row[0]] = append(fileReport[row[0]], []string{row[1], row[2], row[3]})
}
output := ""
for filename, val := range fileReport {
buf := new(bytes.Buffer)
table := tablewriter.NewWriter(buf)
table.SetBorder(false)
table.SetColumnSeparator("")
table.SetRowSeparator("")
table.SetAutoWrapText(false)
table.AppendBulk(val)
table.Render()
c := color.New(color.Underline)
output += c.SprintfFunc()(filename + "\n")
output += buf.String() + "\n"
}
suffix := fmt.Sprintf(" %d %s (%d errors) (%d warnings)", total, ps, totalErrors, total-totalErrors)
if total > 0 && totalErrors > 0 {
suffix = color.RedString("\n ✖" + suffix)
} else if total > 0 && totalErrors == 0 {
suffix = color.YellowString("\n ✖" + suffix)
} else {
suffix, output = "", ""
}
return output + suffix, nil
}
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