render-basic won't print off the end of lines

render-basic/Render.go

@@ -13,6 +13,7 @@ type Renderer struct {
 	colWidths   *map[string]int
 	cols        *[]string
 	height      int64
+	width       int64
 	rowsPrinted *int64
 }
 
@@ -24,28 +25,44 @@ func main() {
 	out, _ := cmd.Output()
 	wh := strings.Split(string(out), " ")
 	hstr := strings.Trim(wh[0], "\n")
-	rows := int64(0)
+	wstr := strings.Trim(wh[1], "\n")
 	height, _ := strconv.ParseInt(hstr, 10, 64)
+	width, _ := strconv.ParseInt(wstr, 10, 64)
+
+	rows := int64(0)
+	fmt.Println("%v", width)
 
 	if len(os.Args) == 2 && os.Args[1] == "noraw" {
-		util.ConnectToStdIn(Renderer{false, &m, &cols, height, &rows})
+		util.ConnectToStdIn(Renderer{false, &m, &cols, height, width, &rows})
 	} else {
-		util.ConnectToStdIn(Renderer{true, &m, &cols, height, &rows})
+		util.ConnectToStdIn(Renderer{true, &m, &cols, height, width, &rows})
 	}
 }
 
 func (r Renderer) Process(inp map[string]interface{}) {
 	if util.IsPlus(inp) {
 		var printed = false
+		charsPrinted := int64(0)
 		colsWidth := render.Columns([]map[string]interface{}{inp})
 		colNames := render.ColumnNames(colsWidth)
 		*r.cols = colNames
 		*r.colWidths = colsWidth
 		for _, col := range colNames {
 			v, _ := inp[col]
 			vStr := fmt.Sprint(v)
-			spaces := strings.Repeat(" ", (len(col)+3+colsWidth[col])-len(vStr))
-			fmt.Printf("[%s=%v]%s", col, vStr, spaces)
+			spaces := strings.Repeat(" ", colsWidth[col]-len(vStr))
+			finalStr := fmt.Sprintf("[%s=%v]%s", col, vStr, spaces)
+			if charsPrinted+int64(len(finalStr)) > r.width {
+				availableChars := r.width - charsPrinted
+				if availableChars > 3 {
+					fmt.Printf(finalStr[:availableChars-3])
+					fmt.Printf("...")
+					charsPrinted = r.width
+				}
+			} else {
+				charsPrinted += int64(len(finalStr))
+				fmt.Printf(finalStr)
+			}
 		}
 		if printed {
 			fmt.Printf(";")