blob: 3b07ef0038e2a7389566308ef55c6e290a466ead [file] [log] [blame]
/*
* Copyright 2018-present Open Networking Foundation
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package util
import (
"fmt"
"strings"
)
func BuildTable(keys []string, rows []map[string]string) (string, error) {
var returnString string
fieldSizes := make(map[string]int)
for i := 0; i < len(rows); i++ {
for key, value := range rows[i] {
currentSize := len(value)
if currentSize > fieldSizes[key] {
fieldSizes[key] = currentSize
}
}
}
for i := 0; i < len(keys); i++ {
currentSize := len(keys[i])
if currentSize > fieldSizes[keys[i]] {
fieldSizes[keys[i]] = currentSize
}
}
bottom := "+"
for i := 0; i < len(rows); i++ {
header := "|"
line := "|"
for j := 0; j < len(keys); j++ {
key := keys[j]
value := rows[i][key]
if i == 0 {
pad := 2 + fieldSizes[key] - len(key)
field := fmt.Sprintf("%s%s|", strings.Repeat(" ", pad), key)
spacer := fmt.Sprintf("%s+", strings.Repeat("-", fieldSizes[key]+2))
header = header + field
bottom = bottom + spacer
}
pad := 2 + fieldSizes[key] - len(value)
field := fmt.Sprintf("%s%s|", strings.Repeat(" ", pad), value)
line = line + field
}
if i == 0 {
returnString = bottom + "\n" + header + "\n" + bottom + "\n"
}
returnString = returnString + line + "\n"
}
returnString = returnString + bottom + "\n"
return returnString, nil
}