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Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/regexst.cpp')
| -rw-r--r-- | deps/node/deps/icu-small/source/i18n/regexst.cpp | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/deps/node/deps/icu-small/source/i18n/regexst.cpp b/deps/node/deps/icu-small/source/i18n/regexst.cpp deleted file mode 100644 index ad74ee50..00000000 --- a/deps/node/deps/icu-small/source/i18n/regexst.cpp +++ /dev/null @@ -1,291 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -// -// regexst.h -// -// Copyright (C) 2004-2015, International Business Machines Corporation and others. -// All Rights Reserved. -// -// This file contains class RegexStaticSets -// -// This class is internal to the regular expression implementation. -// For the public Regular Expression API, see the file "unicode/regex.h" -// -// RegexStaticSets groups together the common UnicodeSets that are needed -// for compiling or executing RegularExpressions. This grouping simplifies -// the thread safe lazy creation and sharing of these sets across -// all instances of regular expressions. -// -#include "unicode/utypes.h" - -#if !UCONFIG_NO_REGULAR_EXPRESSIONS - -#include "unicode/unistr.h" -#include "unicode/uniset.h" -#include "unicode/uchar.h" -#include "unicode/regex.h" -#include "uprops.h" -#include "cmemory.h" -#include "cstring.h" -#include "uassert.h" -#include "ucln_in.h" -#include "umutex.h" - -#include "regexcst.h" // Contains state table for the regex pattern parser. - // generated by a Perl script. -#include "regexst.h" - - - -U_NAMESPACE_BEGIN - - -//------------------------------------------------------------------------------ -// -// Unicode Set pattern strings for all of the required constant sets. -// Initialized with hex values for portability to EBCDIC based machines. -// Really ugly, but there's no good way to avoid it. -// -//------------------------------------------------------------------------------ - -// "Rule Char" Characters are those with no special meaning, and therefore do not -// need to be escaped to appear as literals in a regexp. Expressed -// as the inverse of those needing escaping -- [^\*\?\+\[\(\)\{\}\^\$\|\\\.] -static const UChar gRuleSet_rule_char_pattern[] = { - // [ ^ \ * \ ? \ + \ [ \ ( / ) - 0x5b, 0x5e, 0x5c, 0x2a, 0x5c, 0x3f, 0x5c, 0x2b, 0x5c, 0x5b, 0x5c, 0x28, 0x5c, 0x29, - // \ { \ } \ ^ \ $ \ | \ \ \ . ] - 0x5c, 0x7b,0x5c, 0x7d, 0x5c, 0x5e, 0x5c, 0x24, 0x5c, 0x7c, 0x5c, 0x5c, 0x5c, 0x2e, 0x5d, 0}; - -// -// Here are the backslash escape characters that ICU's unescape() function -// will handle. -// -static const UChar gUnescapeCharPattern[] = { -// [ a c e f n r t u U x ] - 0x5b, 0x61, 0x63, 0x65, 0x66, 0x6e, 0x72, 0x74, 0x75, 0x55, 0x78, 0x5d, 0}; - - -// -// Unicode Set Definitions for Regular Expression \w -// -static const UChar gIsWordPattern[] = { -// [ \ p { A l p h a b e t i c } - 0x5b, 0x5c, 0x70, 0x7b, 0x61, 0x6c, 0x70, 0x68, 0x61, 0x62, 0x65, 0x74, 0x69, 0x63, 0x7d, -// \ p { M } Mark - 0x5c, 0x70, 0x7b, 0x4d, 0x7d, -// \ p { N d } Digit_Numeric - 0x5c, 0x70, 0x7b, 0x4e, 0x64, 0x7d, -// \ p { P c } Connector_Punctuation - 0x5c, 0x70, 0x7b, 0x50, 0x63, 0x7d, -// \ u 2 0 0 c \ u 2 0 0 d ] - 0x5c, 0x75, 0x32, 0x30, 0x30, 0x63, 0x5c, 0x75, 0x32, 0x30, 0x30, 0x64, 0x5d, 0}; - - -// -// Unicode Set Definitions for Regular Expression \s -// -static const UChar gIsSpacePattern[] = { -// [ \ p { W h i t e S p a c e } ] - 0x5b, 0x5c, 0x70, 0x7b, 0x57, 0x68, 0x69, 0x74, 0x65, 0x53, 0x70, 0x61, 0x63, 0x65, 0x7d, 0x5d, 0}; - - -// -// UnicodeSets used in implementation of Grapheme Cluster detection, \X -// -static const UChar gGC_ControlPattern[] = { -// [ [ : Z l : ] [ : Z p : ] - 0x5b, 0x5b, 0x3a, 0x5A, 0x6c, 0x3a, 0x5d, 0x5b, 0x3a, 0x5A, 0x70, 0x3a, 0x5d, -// [ : C c : ] [ : C f : ] - - 0x5b, 0x3a, 0x43, 0x63, 0x3a, 0x5d, 0x5b, 0x3a, 0x43, 0x66, 0x3a, 0x5d, 0x2d, -// [ : G r a p h e m e _ - 0x5b, 0x3a, 0x47, 0x72, 0x61, 0x70, 0x68, 0x65, 0x6d, 0x65, 0x5f, -// E x t e n d : ] ] - 0x45, 0x78, 0x74, 0x65, 0x6e, 0x64, 0x3a, 0x5d, 0x5d, 0}; - -static const UChar gGC_ExtendPattern[] = { -// [ \ p { G r a p h e m e _ - 0x5b, 0x5c, 0x70, 0x7b, 0x47, 0x72, 0x61, 0x70, 0x68, 0x65, 0x6d, 0x65, 0x5f, -// E x t e n d } ] - 0x45, 0x78, 0x74, 0x65, 0x6e, 0x64, 0x7d, 0x5d, 0}; - -static const UChar gGC_LPattern[] = { -// [ \ p { H a n g u l _ S y l - 0x5b, 0x5c, 0x70, 0x7b, 0x48, 0x61, 0x6e, 0x67, 0x75, 0x6c, 0x5f, 0x53, 0x79, 0x6c, -// l a b l e _ T y p e = L } ] - 0x6c, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x54, 0x79, 0x70, 0x65, 0x3d, 0x4c, 0x7d, 0x5d, 0}; - -static const UChar gGC_VPattern[] = { -// [ \ p { H a n g u l _ S y l - 0x5b, 0x5c, 0x70, 0x7b, 0x48, 0x61, 0x6e, 0x67, 0x75, 0x6c, 0x5f, 0x53, 0x79, 0x6c, -// l a b l e _ T y p e = V } ] - 0x6c, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x54, 0x79, 0x70, 0x65, 0x3d, 0x56, 0x7d, 0x5d, 0}; - -static const UChar gGC_TPattern[] = { -// [ \ p { H a n g u l _ S y l - 0x5b, 0x5c, 0x70, 0x7b, 0x48, 0x61, 0x6e, 0x67, 0x75, 0x6c, 0x5f, 0x53, 0x79, 0x6c, -// l a b l e _ T y p e = T } ] - 0x6c, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x54, 0x79, 0x70, 0x65, 0x3d, 0x54, 0x7d, 0x5d, 0}; - -static const UChar gGC_LVPattern[] = { -// [ \ p { H a n g u l _ S y l - 0x5b, 0x5c, 0x70, 0x7b, 0x48, 0x61, 0x6e, 0x67, 0x75, 0x6c, 0x5f, 0x53, 0x79, 0x6c, -// l a b l e _ T y p e = L V } ] - 0x6c, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x54, 0x79, 0x70, 0x65, 0x3d, 0x4c, 0x56, 0x7d, 0x5d, 0}; - -static const UChar gGC_LVTPattern[] = { -// [ \ p { H a n g u l _ S y l - 0x5b, 0x5c, 0x70, 0x7b, 0x48, 0x61, 0x6e, 0x67, 0x75, 0x6c, 0x5f, 0x53, 0x79, 0x6c, -// l a b l e _ T y p e = L V T } ] - 0x6c, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x54, 0x79, 0x70, 0x65, 0x3d, 0x4c, 0x56, 0x54, 0x7d, 0x5d, 0}; - - -RegexStaticSets *RegexStaticSets::gStaticSets = NULL; -UInitOnce gStaticSetsInitOnce = U_INITONCE_INITIALIZER; - -RegexStaticSets::RegexStaticSets(UErrorCode *status) -: -fUnescapeCharSet(UnicodeString(TRUE, gUnescapeCharPattern, -1), *status), -fRuleDigitsAlias(NULL), -fEmptyText(NULL) -{ - // First zero out everything - int i; - for (i=0; i<URX_LAST_SET; i++) { - fPropSets[i] = NULL; - } - // Then init the sets to their correct values. - fPropSets[URX_ISWORD_SET] = new UnicodeSet(UnicodeString(TRUE, gIsWordPattern, -1), *status); - fPropSets[URX_ISSPACE_SET] = new UnicodeSet(UnicodeString(TRUE, gIsSpacePattern, -1), *status); - fPropSets[URX_GC_EXTEND] = new UnicodeSet(UnicodeString(TRUE, gGC_ExtendPattern, -1), *status); - fPropSets[URX_GC_CONTROL] = new UnicodeSet(UnicodeString(TRUE, gGC_ControlPattern, -1), *status); - fPropSets[URX_GC_L] = new UnicodeSet(UnicodeString(TRUE, gGC_LPattern, -1), *status); - fPropSets[URX_GC_V] = new UnicodeSet(UnicodeString(TRUE, gGC_VPattern, -1), *status); - fPropSets[URX_GC_T] = new UnicodeSet(UnicodeString(TRUE, gGC_TPattern, -1), *status); - fPropSets[URX_GC_LV] = new UnicodeSet(UnicodeString(TRUE, gGC_LVPattern, -1), *status); - fPropSets[URX_GC_LVT] = new UnicodeSet(UnicodeString(TRUE, gGC_LVTPattern, -1), *status); - - // Check for null pointers - if (fPropSets[URX_ISWORD_SET] == NULL || fPropSets[URX_ISSPACE_SET] == NULL || fPropSets[URX_GC_EXTEND] == NULL || - fPropSets[URX_GC_CONTROL] == NULL || fPropSets[URX_GC_L] == NULL || fPropSets[URX_GC_V] == NULL || - fPropSets[URX_GC_T] == NULL || fPropSets[URX_GC_LV] == NULL || fPropSets[URX_GC_LVT] == NULL) { - goto ExitConstrDeleteAll; - } - if (U_FAILURE(*status)) { - // Bail out if we were unable to create the above sets. - // The rest of the initialization needs them, so we cannot proceed. - return; - } - - - // - // The following sets are dynamically constructed, because their - // initialization strings would be unreasonable. - // - - - // - // "Normal" is the set of characters that don't need special handling - // when finding grapheme cluster boundaries. - // - fPropSets[URX_GC_NORMAL] = new UnicodeSet(0, UnicodeSet::MAX_VALUE); - // Null pointer check - if (fPropSets[URX_GC_NORMAL] == NULL) { - goto ExitConstrDeleteAll; - } - fPropSets[URX_GC_NORMAL]->remove(0xac00, 0xd7a4); - fPropSets[URX_GC_NORMAL]->removeAll(*fPropSets[URX_GC_CONTROL]); - fPropSets[URX_GC_NORMAL]->removeAll(*fPropSets[URX_GC_L]); - fPropSets[URX_GC_NORMAL]->removeAll(*fPropSets[URX_GC_V]); - fPropSets[URX_GC_NORMAL]->removeAll(*fPropSets[URX_GC_T]); - - // Initialize the 8-bit fast bit sets from the parallel full - // UnicodeSets. - for (i=0; i<URX_LAST_SET; i++) { - if (fPropSets[i]) { - fPropSets[i]->compact(); - fPropSets8[i].init(fPropSets[i]); - } - } - - // Sets used while parsing rules, but not referenced from the parse state table - fRuleSets[kRuleSet_rule_char-128] = UnicodeSet(UnicodeString(TRUE, gRuleSet_rule_char_pattern, -1), *status); - fRuleSets[kRuleSet_digit_char-128].add((UChar)0x30, (UChar)0x39); // [0-9] - fRuleSets[kRuleSet_ascii_letter-128].add((UChar)0x41, (UChar)0x5A); // [A-Z] - fRuleSets[kRuleSet_ascii_letter-128].add((UChar)0x61, (UChar)0x7A); // [a-z] - fRuleDigitsAlias = &fRuleSets[kRuleSet_digit_char-128]; - for (i=0; i<UPRV_LENGTHOF(fRuleSets); i++) { - fRuleSets[i].compact(); - } - - // Finally, initialize an empty string for utility purposes - fEmptyText = utext_openUChars(NULL, NULL, 0, status); - - if (U_SUCCESS(*status)) { - return; - } - -ExitConstrDeleteAll: // Remove fPropSets and fRuleSets and return error - for (i=0; i<URX_LAST_SET; i++) { - delete fPropSets[i]; - fPropSets[i] = NULL; - } - if (U_SUCCESS(*status)) { - *status = U_MEMORY_ALLOCATION_ERROR; - } -} - - -RegexStaticSets::~RegexStaticSets() { - int32_t i; - - for (i=0; i<URX_LAST_SET; i++) { - delete fPropSets[i]; - fPropSets[i] = NULL; - } - fRuleDigitsAlias = NULL; - - utext_close(fEmptyText); -} - - -//------------------------------------------------------------------------------ -// -// regex_cleanup Memory cleanup function, free/delete all -// cached memory. Called by ICU's u_cleanup() function. -// -//------------------------------------------------------------------------------ -UBool -RegexStaticSets::cleanup(void) { - delete RegexStaticSets::gStaticSets; - RegexStaticSets::gStaticSets = NULL; - gStaticSetsInitOnce.reset(); - return TRUE; -} - -U_CDECL_BEGIN -static UBool U_CALLCONV -regex_cleanup(void) { - return RegexStaticSets::cleanup(); -} - -static void U_CALLCONV initStaticSets(UErrorCode &status) { - U_ASSERT(RegexStaticSets::gStaticSets == NULL); - ucln_i18n_registerCleanup(UCLN_I18N_REGEX, regex_cleanup); - RegexStaticSets::gStaticSets = new RegexStaticSets(&status); - if (U_FAILURE(status)) { - delete RegexStaticSets::gStaticSets; - RegexStaticSets::gStaticSets = NULL; - } - if (RegexStaticSets::gStaticSets == NULL && U_SUCCESS(status)) { - status = U_MEMORY_ALLOCATION_ERROR; - } -} -U_CDECL_END - -void RegexStaticSets::initGlobals(UErrorCode *status) { - umtx_initOnce(gStaticSetsInitOnce, &initStaticSets, *status); -} - -U_NAMESPACE_END -#endif // !UCONFIG_NO_REGULAR_EXPRESSIONS |