1 // Copyright 2020 CUE Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package literal 16 17 import "strings" 18 19 // IndentTabs takes a quoted string and reindents it for the given indentation. 20 // If a string is not a multiline string it will return the string as is. 21 func IndentTabs(s string, n int) string { 22 indent := tabs(n) 23 24 qi, _, _, err := ParseQuotes(s, s) 25 if err != nil || !qi.multiline || qi.whitespace == indent { 26 return s 27 } 28 29 search := "\n" + qi.whitespace 30 replace := "\n" + indent 31 32 return strings.ReplaceAll(s, search, replace) 33 } 34