mrtazz/checkmake

package formatters

import (
    "io"
    "os"
    "strconv"

    "github.com/mrtazz/checkmake/rules"
    "github.com/olekukonko/tablewriter"
)

// DefaultFormatter is the formatter used by default for CLI output
type DefaultFormatter struct {
    out io.Writer
}

// NewDefaultFormatter returns a DefaultFormatter struct
func NewDefaultFormatter() *DefaultFormatter {
    return &DefaultFormatter{out: os.Stdout}
}

// Format is the function to call to get the formatted output
func (f *DefaultFormatter) Format(violations rules.RuleViolationList) {
    data := make([][]string, len(violations))

    for idx, val := range violations {
        data[idx] = []string{val.Rule,
            val.Violation,
            val.FileName,
            strconv.Itoa(val.LineNumber)}
    }

    table := tablewriter.NewWriter(f.out)

    table.SetHeader([]string{"Rule", "Description", "File Name", "Line Number"})

    table.SetCenterSeparator(" ")
    table.SetColumnSeparator(" ")
    table.SetRowSeparator(" ")
    table.SetBorder(false)
    table.SetAutoWrapText(true)

    table.AppendBulk(data)
    table.Render()
}