sjsonnew.support.scalajson.unsafe.CompactPrinter.scala Maven / Gradle / Ivy
/*
* Copyright (C) 2009-2011 Mathias Doenitz
* Adapted and extended in 2016 by Eugene Yokota
*
* 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 sjsonnew
package support.scalajson.unsafe
import shaded.scalajson.ast.unsafe._
/**
* A JsonPrinter that produces compact JSON source without any superfluous whitespace.
*/
trait CompactPrinter extends JsonPrinter {
def print(x: JValue, sb: Appendable): Unit = {
x match {
case JObject(x) => printJObject(x, sb)
case JArray(x) => printJArray(x, sb)
case _ => printLeaf(x, sb)
}
}
protected def printJObject(members: Array[JField], sb: Appendable): Unit = {
sb.append('{')
printArray(members, sb.append(',')) { m =>
printString(m.field, sb)
sb.append(':')
print(m.value, sb)
}
sb.append('}')
}
protected def printJArray(elements: Array[JValue], sb: Appendable): Unit = {
sb.append('[')
printArray(elements, sb.append(','))(print(_, sb))
sb.append(']')
}
}
object CompactPrinter extends CompactPrinter