001package org.gwtbootstrap3.client.ui.base.helper; 002 003/* 004 * #%L 005 * GwtBootstrap3 006 * %% 007 * Copyright (C) 2013 - 2014 GwtBootstrap3 008 * %% 009 * Licensed under the Apache License, Version 2.0 (the "License"); 010 * you may not use this file except in compliance with the License. 011 * You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, software 016 * distributed under the License is distributed on an "AS IS" BASIS, 017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 018 * See the License for the specific language governing permissions and 019 * limitations under the License. 020 * #L% 021 */ 022 023 024import com.google.gwt.safehtml.shared.SafeHtml; 025import com.google.gwt.safehtml.shared.SafeHtmlBuilder; 026import com.google.gwt.safehtml.shared.SafeHtmlUtils; 027 028/** 029 * @author Sven Jacobs 030 */ 031public final class SourceCodeHelper { 032 033 /** 034 * If source code contains "\n" it will be replaced by a {@code <br>} element and "\s" will be replaced by a whitespace. 035 * 036 * @param code Unformatted source code 037 * @return Formatted source code in HTML for use in {@link org.gwtbootstrap3.client.ui.Pre} or {@link org.gwtbootstrap3.client.ui.Code} 038 */ 039 public static SafeHtml parseCode(final String code) { 040 final SafeHtmlBuilder builder = new SafeHtmlBuilder(); 041 final String[] splitted = code.replaceAll("\\\\s", " ").split("\\\\n\\s?"); 042 043 for (final String s : splitted) { 044 builder.append(SafeHtmlUtils.fromTrustedString(SafeHtmlUtils.htmlEscapeAllowEntities(s))); 045 builder.appendHtmlConstant("<br>"); 046 } 047 048 return builder.toSafeHtml(); 049 } 050 051 private SourceCodeHelper() { 052 } 053}