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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*   Copyright (C) 2011, International Business Machines
*   Corporation and others.  All Rights Reserved.
*******************************************************************************
*   created on: 2011feb25
*   created by: Markus W. Scherer
*/

package com.ibm.icu.impl;

/**
 * Implements the immutable Unicode properties Pattern_Syntax and Pattern_White_Space.
 * Hardcodes these properties, does not load data, does not depend on other ICU classes.
 * 

* Note: Both properties include ASCII as well as non-ASCII, non-Latin-1 code points, * and both properties only include BMP code points (no supplementary ones). * Pattern_Syntax includes some unassigned code points. *

* [:Pattern_White_Space:] = * [\u0009-\u000D\ \u0020\u0085\u200E\u200F\u2028\u2029] *

* [:Pattern_Syntax:] = * [!-/\:-@\[-\^`\{-~\u00A1-\u00A7\u00A9\u00AB\u00AC\u00AE * \u00B0\u00B1\u00B6\u00BB\u00BF\u00D7\u00F7 * \u2010-\u2027\u2030-\u203E\u2041-\u2053\u2055-\u205E * \u2190-\u245F\u2500-\u2775\u2794-\u2BFF\u2E00-\u2E7F * \u3001-\u3003\u3008-\u3020\u3030\uFD3E\uFD3F\uFE45\uFE46] * @author mscherer */ public final class PatternProps { /** * @return true if c is a Pattern_Syntax code point. */ public static boolean isSyntax(int c) { if(c<0) { return false; } else if(c<=0xff) { return latin1[c]==3; } else if(c<0x2010) { return false; } else if(c<=0x3030) { int bits=syntax2000[index2000[(c-0x2000)>>5]]; return ((bits>>(c&0x1f))&1)!=0; } else if(0xfd3e<=c && c<=0xfe46) { return c<=0xfd3f || 0xfe45<=c; } else { return false; } } /** * @return true if c is a Pattern_Syntax or Pattern_White_Space code point. */ public static boolean isSyntaxOrWhiteSpace(int c) { if(c<0) { return false; } else if(c<=0xff) { return latin1[c]!=0; } else if(c<0x200e) { return false; } else if(c<=0x3030) { int bits=syntaxOrWhiteSpace2000[index2000[(c-0x2000)>>5]]; return ((bits>>(c&0x1f))&1)!=0; } else if(0xfd3e<=c && c<=0xfe46) { return c<=0xfd3f || 0xfe45<=c; } else { return false; } } /** * @return true if c is a Pattern_White_Space character. */ public static boolean isWhiteSpace(int c) { if(c<0) { return false; } else if(c<=0xff) { return latin1[c]==5; } else if(0x200e<=c && c<=0x2029) { return c<=0x200f || 0x2028<=c; } else { return false; } } /** * Skips over Pattern_White_Space starting at index i of the CharSequence. * @return The smallest index at or after i with a non-white space character. */ public static int skipWhiteSpace(CharSequence s, int i) { while(i=limit) { return false; } do { if(isSyntaxOrWhiteSpace(s.charAt(start++))) { return false; } } while(start





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