io.docops.asciidoc.utils.StringFunctions.kt Maven / Gradle / Ivy
/*
* Copyright 2020 The DocOps Consortium
*
* 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 io.docops.asciidoc.utils
import java.util.*
class StringFunctions {
}
fun String.escapeXml(): String {
val sb = StringBuilder()
for (element in this) {
when (val c: Char = element) {
'<' -> sb.append("<")
'>' -> sb.append(">")
'\"' -> sb.append(""")
'&' -> sb.append("&")
'\'' -> sb.append("'")
else -> if (c.code > 0x7e) {
sb.append("&#" + c.code + ";")
} else sb.append(c)
}
}
return sb.toString()
}
fun addLinebreaks(input: String, maxLineLength: Int): MutableList {
val list = mutableListOf()
val tok = StringTokenizer(input, " ")
var output = StringBuilder(input.length)
var lineLen = 0
while (tok.hasMoreTokens()) {
val word = tok.nextToken()
if (lineLen + word.length > maxLineLength) {
list.add(output)
output = StringBuilder(input.length)
lineLen = 0
}
output.append("$word ")
lineLen += word.length
}
if (list.size == 0 || lineLen > 0) {
list.add(output)
}
return list
}
fun String.makeLines(): List {
return this.split(" ")
}