Here you can find the source of quoteTo(CharSequence cs, StringBuilder target)
| Parameter | Description |
|---|---|
| cs | the source string |
| target | the destination buffer |
public static void quoteTo(CharSequence cs, StringBuilder target)
//package com.java2s; /**// w w w . jav a 2 s. co m * Copyright 2011-2017 Asakusa Framework Team. * * 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. */ public class Main { private static final char[] ASCII_SPECIAL_ESCAPE = new char[128]; /** * Quotes the given string as Java string literal style, and puts it into the given buffer. * @param cs the source string * @param target the destination buffer */ public static void quoteTo(CharSequence cs, StringBuilder target) { target.append('"'); for (int i = 0, n = cs.length(); i < n; i++) { char c = cs.charAt(i); if (c <= 0x7f && ASCII_SPECIAL_ESCAPE[c] != 0) { target.append('\\'); target.append(ASCII_SPECIAL_ESCAPE[c]); } else if (Character.isISOControl(c) || Character.isDefined(c) == false || Character.isLowSurrogate(c)) { target.append(String.format("\\u%04x", (int) c)); //$NON-NLS-1$ } else if (Character.isHighSurrogate(c)) { if (i + 1 < n) { char next = cs.charAt(i + 1); if (Character.isLowSurrogate(next)) { target.append(c); target.append(next); i++; continue; } } target.append(String.format("\\u%04x", (int) c)); //$NON-NLS-1$ } else { target.append(c); } } target.append('"'); } }