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/*
* Copyright 2018 JetBrains s.r.o.
*
* 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 kotlinx.io
actual abstract class Writer protected actual constructor() {
actual open fun write(ch: Int) {
write(charArrayOf(ch.toChar()), 0, 1)
}
actual open fun write(str: String) {
val buf = CharArray(str.length)
for (i in str.indices)
buf[i] = str[i]
write(buf, 0, buf.size)
}
actual abstract fun write(src: CharArray, off: Int, len: Int)
actual abstract fun flush()
actual abstract fun close()
}
actual open class PrintWriter actual constructor(val w: Writer) : Writer() {
actual open fun print(s: String) = w.write(s)
actual open fun print(ch: Char) = w.write(ch.toInt())
actual open fun print(value: Float) = print(value.toString())
actual open fun print(value: Double) = print(value.toString())
actual open fun print(value: Boolean) = print(value.toString())
actual open fun print(value: Int) = print(value.toString())
actual open fun print(value: Long) = print(value.toString())
actual open fun print(value: Any?) = print(value.toString())
actual open fun println() = w.write(10)
actual open fun println(s: String) {
w.write(s); println()
}
actual open fun println(ch: Char) {
w.write(ch.toInt()); println()
}
actual open fun println(value: Float) = println(value.toString())
actual open fun println(value: Double) = println(value.toString())
actual open fun println(value: Boolean) = println(value.toString())
actual open fun println(value: Int) = println(value.toString())
actual open fun println(value: Long) = println(value.toString())
actual open fun println(value: Any?) = println(value.toString())
actual override fun write(src: CharArray, off: Int, len: Int) {
w.write(src, off, len)
}
actual override fun flush() {}
actual override fun close() {}
}
actual class StringWriter : Writer() {
private val sb = StringBuilder()
actual override fun toString(): String = sb.toString()
actual override fun write(src: CharArray, off: Int, len: Int) {
src.slice(off until off + len).forEach { sb.append(it) }
}
actual override fun flush() {}
actual override fun close() {}
}
@Suppress("ACTUAL_WITHOUT_EXPECT")
actual abstract class Reader protected actual constructor() {
actual open fun read(): Int {
val a = CharArray(1)
if (read(a, 0, 1) < 1)
return -1 // EOF
return a[0].toInt()
}
actual abstract fun read(dst: CharArray, off: Int, len: Int): Int
actual abstract fun close()
}
actual class StringReader actual constructor(val str: String) : Reader() {
private var position: Int = 0
actual override fun read(): Int = when (position) {
str.length -> -1
else -> str[position++].toInt()
}
actual override fun read(dst: CharArray, off: Int, len: Int): Int {
var cnt = 0
for (i in off until off + len) {
val r = read()
if (r == -1) return cnt
cnt++
dst[i] = r.toChar()
}
return len
}
actual override fun close() {}
}
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