Josip Tišljar Mataušić
41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
package main
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import (
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"strings"
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)
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// wrapLines returns a slice with every element representing a new line
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func WrapLines(input string, maxLineLength int, breakupDelimiter string) []string {
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breakupDelimiterLength := len([]rune(breakupDelimiter))
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output := []string{}
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previousExistingLineIndex := -1
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for existingLineIndex, existingLine := range strings.Split(input, "\n") {
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words := strings.Split(existingLine, breakupDelimiter)
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length := 0
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for _, word := range words {
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wordLength := len([]rune(word))
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length += breakupDelimiterLength + wordLength
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if length > maxLineLength || len(output) == 0 || previousExistingLineIndex != existingLineIndex {
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output = append(output, word)
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length = wordLength
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} else {
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output[len(output) - 1] += breakupDelimiter + word
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}
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previousExistingLineIndex = existingLineIndex
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}
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}
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return output
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}
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func JoinGophermapLines(typeCharacter string, lines []string, lineEnding string) string {
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out := ""
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for index, line := range lines {
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out += typeCharacter + line + lineEnding
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if index < len(lines) - 1 { out += "\n" }
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}
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return out
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}
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