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Google App Engine compliant variation of FreeMarker.
FreeMarker is a "template engine"; a generic tool to generate text output based on templates.
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 freemarker.core;
/**
* Class that's a little bit more efficient than using an {@code ArrayList}.
*
* @since 2.3.24
*/
final class LocalContextStack {
private LocalContext[] buffer = new LocalContext[8];
private int size;
void push(LocalContext localContext) {
final int newSize = ++size;
LocalContext[] buffer = this.buffer;
if (buffer.length < newSize) {
final LocalContext[] newBuffer = new LocalContext[newSize * 2];
for (int i = 0; i < buffer.length; i++) {
newBuffer[i] = buffer[i];
}
buffer = newBuffer;
this.buffer = newBuffer;
}
buffer[newSize - 1] = localContext;
}
void pop() {
buffer[--size] = null;
}
public LocalContext get(int index) {
return buffer[index];
}
public int size() {
return size;
}
}