51 lines
973 B
Go
51 lines
973 B
Go
package table
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import (
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"io"
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"os"
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"text/tabwriter"
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)
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// TabulatedPrinter defines an interface we can use for a common way to print tabulated data
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//
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// ie we canb use the same interface to display results as table, csv, json, etc
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type TabulatedPrinter interface {
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// Headers defines the headers for the values
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Headers(...string) error
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//Fields appends fields to the printer
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Fields(...interface{}) error
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StringFields(...string) error
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// Flush outputs the tabulated data
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Flush() error
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}
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// NewPrinter returns a new tabulated printer type based on the format specified
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// format: can be human, csv
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func NewPrinter(format string, w io.Writer) TabulatedPrinter {
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if w == nil {
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w = os.Stdout
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}
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switch format {
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case "csv":
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return &CSVPrinter{
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writer: w,
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}
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case "json":
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return &JSONPrinter{
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writer: w,
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}
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case "human":
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p := &HumanPrinter{
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writer: new(tabwriter.Writer),
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}
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p.writer.Init(w, 0, 8, 2, ' ', 0)
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return p
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}
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return nil
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}
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