com.mysema.scalagen.SourcePrinter.scala Maven / Gradle / Ivy
/*
* Copyright (C) 2011, Mysema Ltd
*
* 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 com.mysema.scalagen
/**
* @author tiwe
*
*/
class SourcePrinter {
private var offset = 0
private var level = 0
private var indented = false
private val buf = new StringBuilder()
def indent() {
level += 1
}
def unindent() {
level -= 1
}
private def makeIndent() {
for (i <- 0 until level) { buf.append(" ") }
}
def print(arg: String) {
if (!indented) {
makeIndent()
indented = true
}
buf.append(arg)
}
def printLn(arg: String) {
print(arg)
printLn()
}
def printLn() {
buf.append("\n")
offset = buf.length
indented = false
}
def source: String = buf.toString
def lineLength = buf.length - offset
override def toString(): String = source
}