org.intellij.lang.annotations.PrintFormat Maven / Gradle / Ivy
/*
* Copyright 2006 Sascha Weinreuter
*
* 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 org.intellij.lang.annotations;
@Pattern(PrintFormatPattern.PRINT_FORMAT)
public @interface PrintFormat {
}
// split up complex regex and workaround for IDEA-9173
class PrintFormatPattern {
// %[argument_index$][flags][width][.precision]conversion
// Expression is taken from java.util.Formatter.fsPattern
@Language("RegExp")
private static final String ARG_INDEX = "(?:\\d+\\$)?";
@Language("RegExp")
private static final String FLAGS = "(?:[-#+ 0,(<]*)?";
@Language("RegExp")
private static final String WIDTH = "(?:\\d+)?";
@Language("RegExp")
private static final String PRECISION = "(?:\\.\\d+)?";
@Language("RegExp")
private static final String CONVERSION = "(?:[tT])?(?:[a-zA-Z%])";
@Language("RegExp")
private static final String TEXT = "[^%]|%%";
@Language("RegExp")
static final String PRINT_FORMAT = "(?:" + TEXT + "|" +
"(?:%" +
ARG_INDEX +
FLAGS +
WIDTH +
PRECISION +
CONVERSION + ")" +
")*";
}