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Diffstat (limited to 'deps/node/deps/icu-small/source/common/patternprops.cpp')
-rw-r--r-- | deps/node/deps/icu-small/source/common/patternprops.cpp | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/deps/node/deps/icu-small/source/common/patternprops.cpp b/deps/node/deps/icu-small/source/common/patternprops.cpp deleted file mode 100644 index 01e33ce1..00000000 --- a/deps/node/deps/icu-small/source/common/patternprops.cpp +++ /dev/null @@ -1,220 +0,0 @@ -// © 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. -******************************************************************************* -* file name: patternprops.cpp -* encoding: UTF-8 -* tab size: 8 (not used) -* indentation:4 -* -* created on: 2011mar13 -* created by: Markus W. Scherer -*/ - -#include "unicode/utypes.h" -#include "patternprops.h" - -U_NAMESPACE_BEGIN - -/* - * One byte per Latin-1 character. - * Bit 0 is set if either Pattern property is true, - * bit 1 if Pattern_Syntax is true, - * bit 2 if Pattern_White_Space is true. - * That is, Pattern_Syntax is encoded as 3 and Pattern_White_Space as 5. - */ -static const uint8_t latin1[256]={ - // WS: 9..D - 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 5, 5, 5, 5, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - // WS: 20 Syntax: 21..2F - 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - // Syntax: 3A..40 - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, - 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - // Syntax: 5B..5E - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 0, - // Syntax: 60 - 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - // Syntax: 7B..7E - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 0, - // WS: 85 - 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - // Syntax: A1..A7, A9, AB, AC, AE - 0, 3, 3, 3, 3, 3, 3, 3, 0, 3, 0, 3, 3, 0, 3, 0, - // Syntax: B0, B1, B6, BB, BF - 3, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 3, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - // Syntax: D7 - 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - // Syntax: F7 - 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0 -}; - -/* - * One byte per 32 characters from U+2000..U+303F indexing into - * a small table of 32-bit data words. - * The first two data words are all-zeros and all-ones. - */ -static const uint8_t index2000[130]={ - 2, 3, 4, 0, 0, 0, 0, 0, // 20xx - 0, 0, 0, 0, 5, 1, 1, 1, // 21xx - 1, 1, 1, 1, 1, 1, 1, 1, // 22xx - 1, 1, 1, 1, 1, 1, 1, 1, // 23xx - 1, 1, 1, 0, 0, 0, 0, 0, // 24xx - 1, 1, 1, 1, 1, 1, 1, 1, // 25xx - 1, 1, 1, 1, 1, 1, 1, 1, // 26xx - 1, 1, 1, 6, 7, 1, 1, 1, // 27xx - 1, 1, 1, 1, 1, 1, 1, 1, // 28xx - 1, 1, 1, 1, 1, 1, 1, 1, // 29xx - 1, 1, 1, 1, 1, 1, 1, 1, // 2Axx - 1, 1, 1, 1, 1, 1, 1, 1, // 2Bxx - 0, 0, 0, 0, 0, 0, 0, 0, // 2Cxx - 0, 0, 0, 0, 0, 0, 0, 0, // 2Dxx - 1, 1, 1, 1, 0, 0, 0, 0, // 2Exx - 0, 0, 0, 0, 0, 0, 0, 0, // 2Fxx - 8, 9 // 3000..303F -}; - -/* - * One 32-bit integer per 32 characters. Ranges of all-false and all-true - * are mapped to the first two values, other ranges map to appropriate bit patterns. - */ -static const uint32_t syntax2000[]={ - 0, - 0xffffffff, - 0xffff0000, // 2: 2010..201F - 0x7fff00ff, // 3: 2020..2027, 2030..203E - 0x7feffffe, // 4: 2041..2053, 2055..205E - 0xffff0000, // 5: 2190..219F - 0x003fffff, // 6: 2760..2775 - 0xfff00000, // 7: 2794..279F - 0xffffff0e, // 8: 3001..3003, 3008..301F - 0x00010001 // 9: 3020, 3030 -}; - -/* - * Same as syntax2000, but with additional bits set for the - * Pattern_White_Space characters 200E 200F 2028 2029. - */ -static const uint32_t syntaxOrWhiteSpace2000[]={ - 0, - 0xffffffff, - 0xffffc000, // 2: 200E..201F - 0x7fff03ff, // 3: 2020..2029, 2030..203E - 0x7feffffe, // 4: 2041..2053, 2055..205E - 0xffff0000, // 5: 2190..219F - 0x003fffff, // 6: 2760..2775 - 0xfff00000, // 7: 2794..279F - 0xffffff0e, // 8: 3001..3003, 3008..301F - 0x00010001 // 9: 3020, 3030 -}; - -UBool -PatternProps::isSyntax(UChar32 c) { - if(c<0) { - return FALSE; - } else if(c<=0xff) { - return (UBool)(latin1[c]>>1)&1; - } else if(c<0x2010) { - return FALSE; - } else if(c<=0x3030) { - uint32_t bits=syntax2000[index2000[(c-0x2000)>>5]]; - return (UBool)((bits>>(c&0x1f))&1); - } else if(0xfd3e<=c && c<=0xfe46) { - return c<=0xfd3f || 0xfe45<=c; - } else { - return FALSE; - } -} - -UBool -PatternProps::isSyntaxOrWhiteSpace(UChar32 c) { - if(c<0) { - return FALSE; - } else if(c<=0xff) { - return (UBool)(latin1[c]&1); - } else if(c<0x200e) { - return FALSE; - } else if(c<=0x3030) { - uint32_t bits=syntaxOrWhiteSpace2000[index2000[(c-0x2000)>>5]]; - return (UBool)((bits>>(c&0x1f))&1); - } else if(0xfd3e<=c && c<=0xfe46) { - return c<=0xfd3f || 0xfe45<=c; - } else { - return FALSE; - } -} - -UBool -PatternProps::isWhiteSpace(UChar32 c) { - if(c<0) { - return FALSE; - } else if(c<=0xff) { - return (UBool)(latin1[c]>>2)&1; - } else if(0x200e<=c && c<=0x2029) { - return c<=0x200f || 0x2028<=c; - } else { - return FALSE; - } -} - -const UChar * -PatternProps::skipWhiteSpace(const UChar *s, int32_t length) { - while(length>0 && isWhiteSpace(*s)) { - ++s; - --length; - } - return s; -} - -const UChar * -PatternProps::trimWhiteSpace(const UChar *s, int32_t &length) { - if(length<=0 || (!isWhiteSpace(s[0]) && !isWhiteSpace(s[length-1]))) { - return s; - } - int32_t start=0; - int32_t limit=length; - while(start<limit && isWhiteSpace(s[start])) { - ++start; - } - if(start<limit) { - // There is non-white space at start; we will not move limit below that, - // so we need not test start<limit in the loop. - while(isWhiteSpace(s[limit-1])) { - --limit; - } - } - length=limit-start; - return s+start; -} - -UBool -PatternProps::isIdentifier(const UChar *s, int32_t length) { - if(length<=0) { - return FALSE; - } - const UChar *limit=s+length; - do { - if(isSyntaxOrWhiteSpace(*s++)) { - return FALSE; - } - } while(s<limit); - return TRUE; -} - -const UChar * -PatternProps::skipIdentifier(const UChar *s, int32_t length) { - while(length>0 && !isSyntaxOrWhiteSpace(*s)) { - ++s; - --length; - } - return s; -} - -U_NAMESPACE_END |