optimize ascii tables, use custom style instead of tab inserters (#53)

* optimize ascii tables, use custom style instead of tab inserters

cfg/config.go

@@ -28,7 +28,7 @@ import (
 )
 
 const DefaultSeparator string = `(\s\s+|\t)`
-const Version string = "v1.4.2"
+const Version string = "v1.4.3"
 const MAXPARTS = 2
 
 var DefaultConfigfile = os.Getenv("HOME") + "/.config/tablizer/config"

lib/common.go

@@ -34,39 +34,3 @@ func (data *Tabdata) CloneEmpty() Tabdata {
 
 	return newdata
 }
-
-// add a TAB (\t) in front of every cell, but not the first
-func (data *Tabdata) TabEntries() [][]string {
-	newentries := make([][]string, len(data.entries))
-
-	for rowidx, row := range data.entries {
-		newentries[rowidx] = make([]string, len(row))
-
-		for colidx, cell := range row {
-			switch colidx {
-			case 0:
-				newentries[rowidx][colidx] = cell
-			default:
-				newentries[rowidx][colidx] = "\t" + cell
-			}
-		}
-	}
-
-	return newentries
-}
-
-// add a TAB (\t) in front of every header, but not the first
-func (data *Tabdata) TabHeaders() []string {
-	newheaders := make([]string, len(data.headers))
-
-	for colidx, cell := range data.headers {
-		switch colidx {
-		case 0:
-			newheaders[colidx] = cell
-		default:
-			newheaders[colidx] = "\t" + cell
-		}
-	}
-
-	return newheaders
-}

lib/printer.go

@@ -196,13 +196,15 @@ Simple ASCII table without any borders etc, just like the input we expect
 func printASCIIData(writer io.Writer, conf cfg.Config, data *Tabdata) {
 	tableString := &strings.Builder{}
 
+	styleTSV := tw.NewSymbolCustom("space").WithColumn("\t")
+
 	table := tablewriter.NewTable(tableString,
 		tablewriter.WithRenderer(
 			renderer.NewBlueprint(tw.Rendition{
 				Borders: tw.BorderNone,
-				Symbols: tw.NewSymbols(tw.StyleASCII),
+				Symbols: styleTSV,
 				Settings: tw.Settings{
-					Separators: tw.Separators{BetweenRows: tw.Off, BetweenColumns: tw.Off},
+					Separators: tw.Separators{BetweenRows: tw.Off, BetweenColumns: tw.On},
 					Lines:      tw.Lines{ShowFooterLine: tw.Off, ShowHeaderLine: tw.Off},
 				},
 			})),
@@ -231,10 +233,10 @@ func printASCIIData(writer io.Writer, conf cfg.Config, data *Tabdata) {
 	)
 
 	if !conf.NoHeaders {
-		table.Header(data.TabHeaders())
+		table.Header(data.headers)
 	}
 
-	if err := table.Bulk(data.TabEntries()); err != nil {
+	if err := table.Bulk(data.entries); err != nil {
 		log.Fatalf("Failed to add data to table renderer: %s", err)
 	}