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Unified Diff: source/i18n/ucol_tok.cpp

Issue 845603002: Update ICU to 54.1 step 1 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/icu.git@master
Patch Set: remove unusued directories Created 5 years, 11 months ago
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Index: source/i18n/ucol_tok.cpp
diff --git a/source/i18n/ucol_tok.cpp b/source/i18n/ucol_tok.cpp
deleted file mode 100644
index ca40cc603be0a8deef18f3aae5879a9588da6ecb..0000000000000000000000000000000000000000
--- a/source/i18n/ucol_tok.cpp
+++ /dev/null
@@ -1,2446 +0,0 @@
-/*
-*******************************************************************************
-*
-* Copyright (C) 2001-2012, International Business Machines
-* Corporation and others. All Rights Reserved.
-*
-*******************************************************************************
-* file name: ucol_tok.cpp
-* encoding: US-ASCII
-* tab size: 8 (not used)
-* indentation:4
-*
-* created 02/22/2001
-* created by: Vladimir Weinstein
-*
-* This module reads a tailoring rule string and produces a list of
-* tokens that will be turned into collation elements
-*
-*/
-
-#include "unicode/utypes.h"
-
-#if !UCONFIG_NO_COLLATION
-
-#include "unicode/uscript.h"
-#include "unicode/ustring.h"
-#include "unicode/uchar.h"
-#include "unicode/uniset.h"
-
-#include "cmemory.h"
-#include "cstring.h"
-#include "patternprops.h"
-#include "ucol_bld.h"
-#include "ucol_tok.h"
-#include "ulocimp.h"
-#include "uresimp.h"
-
-// Define this only for debugging.
-// #define DEBUG_FOR_COLL_RULES 1
-
-#ifdef DEBUG_FOR_COLL_RULES
-#include <iostream>
-#endif
-
-U_NAMESPACE_USE
-
-U_CDECL_BEGIN
-static int32_t U_CALLCONV
-uhash_hashTokens(const UHashTok k)
-{
- int32_t hash = 0;
- //uint32_t key = (uint32_t)k.integer;
- UColToken *key = (UColToken *)k.pointer;
- if (key != 0) {
- int32_t len = (key->source & 0xFF000000)>>24;
- int32_t inc = ((len - 32) / 32) + 1;
-
- const UChar *p = (key->source & 0x00FFFFFF) + *(key->rulesToParseHdl);
- const UChar *limit = p + len;
-
- while (p<limit) {
- hash = (hash * 37) + *p;
- p += inc;
- }
- }
- return hash;
-}
-
-static UBool U_CALLCONV
-uhash_compareTokens(const UHashTok key1, const UHashTok key2)
-{
- //uint32_t p1 = (uint32_t) key1.integer;
- //uint32_t p2 = (uint32_t) key2.integer;
- UColToken *p1 = (UColToken *)key1.pointer;
- UColToken *p2 = (UColToken *)key2.pointer;
- const UChar *s1 = (p1->source & 0x00FFFFFF) + *(p1->rulesToParseHdl);
- const UChar *s2 = (p2->source & 0x00FFFFFF) + *(p2->rulesToParseHdl);
- uint32_t s1L = ((p1->source & 0xFF000000) >> 24);
- uint32_t s2L = ((p2->source & 0xFF000000) >> 24);
- const UChar *end = s1+s1L-1;
-
- if (p1 == p2) {
- return TRUE;
- }
- if (p1->source == 0 || p2->source == 0) {
- return FALSE;
- }
- if(s1L != s2L) {
- return FALSE;
- }
- if(p1->source == p2->source) {
- return TRUE;
- }
- while((s1 < end) && *s1 == *s2) {
- ++s1;
- ++s2;
- }
- if(*s1 == *s2) {
- return TRUE;
- } else {
- return FALSE;
- }
-}
-U_CDECL_END
-
-/*
- * Debug messages used to pinpoint where a format error occurred.
- * A better way is to include context-sensitive information in syntaxError() function.
- *
- * To turn this debugging on, either uncomment the following line, or define use -DDEBUG_FOR_FORMAT_ERROR
- * in the compile line.
- */
-/* #define DEBUG_FOR_FORMAT_ERROR 1 */
-
-#ifdef DEBUG_FOR_FORMAT_ERROR
-#define DBG_FORMAT_ERROR { printf("U_INVALID_FORMAT_ERROR at line %d", __LINE__);}
-#else
-#define DBG_FORMAT_ERROR
-#endif
-
-
-/*
- * Controls debug messages so that the output can be compared before and after a
- * big change. Prints the information of every code point that comes out of the
- * collation parser and its strength into a file. When a big change in format
- * happens, the files before and after the change should be identical.
- *
- * To turn this debugging on, either uncomment the following line, or define use -DDEBUG_FOR_CODE_POINTS
- * in the compile line.
- */
-// #define DEBUG_FOR_CODE_POINTS 1
-
-#ifdef DEBUG_FOR_CODE_POINTS
- FILE* dfcp_fp = NULL;
-#endif
-
-
-typedef struct {
- uint32_t startCE;
- uint32_t startContCE;
- uint32_t limitCE;
- uint32_t limitContCE;
-} indirectBoundaries;
-
-/* these values are used for finding CE values for indirect positioning. */
-/* Indirect positioning is a mechanism for allowing resets on symbolic */
-/* values. It only works for resets and you cannot tailor indirect names */
-/* An indirect name can define either an anchor point or a range. An */
-/* anchor point behaves in exactly the same way as a code point in reset */
-/* would, except that it cannot be tailored. A range (we currently only */
-/* know for the [top] range will explicitly set the upper bound for */
-/* generated CEs, thus allowing for better control over how many CEs can */
-/* be squeezed between in the range without performance penalty. */
-/* In that respect, we use [top] for tailoring of locales that use CJK */
-/* characters. Other indirect values are currently a pure convenience, */
-/* they can be used to assure that the CEs will be always positioned in */
-/* the same place relative to a point with known properties (e.g. first */
-/* primary ignorable). */
-static indirectBoundaries ucolIndirectBoundaries[15];
-/*
-static indirectBoundaries ucolIndirectBoundaries[11] = {
-{ UCOL_RESET_TOP_VALUE, 0,
-UCOL_NEXT_TOP_VALUE, 0 },
-{ UCOL_FIRST_PRIMARY_IGNORABLE, 0,
-0, 0 },
-{ UCOL_LAST_PRIMARY_IGNORABLE, UCOL_LAST_PRIMARY_IGNORABLE_CONT,
-0, 0 },
-{ UCOL_FIRST_SECONDARY_IGNORABLE, 0,
-0, 0 },
-{ UCOL_LAST_SECONDARY_IGNORABLE, 0,
-0, 0 },
-{ UCOL_FIRST_TERTIARY_IGNORABLE, 0,
-0, 0 },
-{ UCOL_LAST_TERTIARY_IGNORABLE, 0,
-0, 0 },
-{ UCOL_FIRST_VARIABLE, 0,
-0, 0 },
-{ UCOL_LAST_VARIABLE, 0,
-0, 0 },
-{ UCOL_FIRST_NON_VARIABLE, 0,
-0, 0 },
-{ UCOL_LAST_NON_VARIABLE, 0,
-0, 0 },
-};
-*/
-
-static void setIndirectBoundaries(uint32_t indexR, uint32_t *start, uint32_t *end) {
-
- // Set values for the top - TODO: once we have values for all the indirects, we are going
- // to initalize here.
- ucolIndirectBoundaries[indexR].startCE = start[0];
- ucolIndirectBoundaries[indexR].startContCE = start[1];
- if(end) {
- ucolIndirectBoundaries[indexR].limitCE = end[0];
- ucolIndirectBoundaries[indexR].limitContCE = end[1];
- } else {
- ucolIndirectBoundaries[indexR].limitCE = 0;
- ucolIndirectBoundaries[indexR].limitContCE = 0;
- }
-}
-
-
-static inline
-void syntaxError(const UChar* rules,
- int32_t pos,
- int32_t rulesLen,
- UParseError* parseError)
-{
- parseError->offset = pos;
- parseError->line = 0 ; /* we are not using line numbers */
-
- // for pre-context
- int32_t start = (pos < U_PARSE_CONTEXT_LEN)? 0 : (pos - (U_PARSE_CONTEXT_LEN-1));
- int32_t stop = pos;
-
- u_memcpy(parseError->preContext,rules+start,stop-start);
- //null terminate the buffer
- parseError->preContext[stop-start] = 0;
-
- //for post-context
- start = pos+1;
- stop = ((pos+U_PARSE_CONTEXT_LEN)<= rulesLen )? (pos+(U_PARSE_CONTEXT_LEN-1)) :
- rulesLen;
-
- if(start < stop) {
- u_memcpy(parseError->postContext,rules+start,stop-start);
- //null terminate the buffer
- parseError->postContext[stop-start]= 0;
- } else {
- parseError->postContext[0] = 0;
- }
-}
-
-static
-void ucol_uprv_tok_setOptionInImage(UColOptionSet *opts, UColAttribute attrib, UColAttributeValue value) {
- switch(attrib) {
- case UCOL_HIRAGANA_QUATERNARY_MODE:
- opts->hiraganaQ = value;
- break;
- case UCOL_FRENCH_COLLATION:
- opts->frenchCollation = value;
- break;
- case UCOL_ALTERNATE_HANDLING:
- opts->alternateHandling = value;
- break;
- case UCOL_CASE_FIRST:
- opts->caseFirst = value;
- break;
- case UCOL_CASE_LEVEL:
- opts->caseLevel = value;
- break;
- case UCOL_NORMALIZATION_MODE:
- opts->normalizationMode = value;
- break;
- case UCOL_STRENGTH:
- opts->strength = value;
- break;
- case UCOL_NUMERIC_COLLATION:
- opts->numericCollation = value;
- break;
- case UCOL_ATTRIBUTE_COUNT:
- default:
- break;
- }
-}
-
-#define UTOK_OPTION_COUNT 22
-
-static UBool didInit = FALSE;
-/* we can be strict, or we can be lenient */
-/* I'd surely be lenient with the option arguments */
-/* maybe even with options */
-U_STRING_DECL(suboption_00, "non-ignorable", 13);
-U_STRING_DECL(suboption_01, "shifted", 7);
-
-U_STRING_DECL(suboption_02, "lower", 5);
-U_STRING_DECL(suboption_03, "upper", 5);
-U_STRING_DECL(suboption_04, "off", 3);
-U_STRING_DECL(suboption_05, "on", 2);
-U_STRING_DECL(suboption_06, "1", 1);
-U_STRING_DECL(suboption_07, "2", 1);
-U_STRING_DECL(suboption_08, "3", 1);
-U_STRING_DECL(suboption_09, "4", 1);
-U_STRING_DECL(suboption_10, "I", 1);
-
-U_STRING_DECL(suboption_11, "primary", 7);
-U_STRING_DECL(suboption_12, "secondary", 9);
-U_STRING_DECL(suboption_13, "tertiary", 8);
-U_STRING_DECL(suboption_14, "variable", 8);
-U_STRING_DECL(suboption_15, "regular", 7);
-U_STRING_DECL(suboption_16, "implicit", 8);
-U_STRING_DECL(suboption_17, "trailing", 8);
-
-
-U_STRING_DECL(option_00, "undefined", 9);
-U_STRING_DECL(option_01, "rearrange", 9);
-U_STRING_DECL(option_02, "alternate", 9);
-U_STRING_DECL(option_03, "backwards", 9);
-U_STRING_DECL(option_04, "variable top", 12);
-U_STRING_DECL(option_05, "top", 3);
-U_STRING_DECL(option_06, "normalization", 13);
-U_STRING_DECL(option_07, "caseLevel", 9);
-U_STRING_DECL(option_08, "caseFirst", 9);
-U_STRING_DECL(option_09, "scriptOrder", 11);
-U_STRING_DECL(option_10, "charsetname", 11);
-U_STRING_DECL(option_11, "charset", 7);
-U_STRING_DECL(option_12, "before", 6);
-U_STRING_DECL(option_13, "hiraganaQ", 9);
-U_STRING_DECL(option_14, "strength", 8);
-U_STRING_DECL(option_15, "first", 5);
-U_STRING_DECL(option_16, "last", 4);
-U_STRING_DECL(option_17, "optimize", 8);
-U_STRING_DECL(option_18, "suppressContractions", 20);
-U_STRING_DECL(option_19, "numericOrdering", 15);
-U_STRING_DECL(option_20, "import", 6);
-U_STRING_DECL(option_21, "reorder", 7);
-
-/*
-[last variable] last variable value
-[last primary ignorable] largest CE for primary ignorable
-[last secondary ignorable] largest CE for secondary ignorable
-[last tertiary ignorable] largest CE for tertiary ignorable
-[top] guaranteed to be above all implicit CEs, for now and in the future (in 1.8)
-*/
-
-
-static const ucolTokSuboption alternateSub[2] = {
- {suboption_00, 13, UCOL_NON_IGNORABLE},
- {suboption_01, 7, UCOL_SHIFTED}
-};
-
-static const ucolTokSuboption caseFirstSub[3] = {
- {suboption_02, 5, UCOL_LOWER_FIRST},
- {suboption_03, 5, UCOL_UPPER_FIRST},
- {suboption_04, 3, UCOL_OFF},
-};
-
-static const ucolTokSuboption onOffSub[2] = {
- {suboption_04, 3, UCOL_OFF},
- {suboption_05, 2, UCOL_ON}
-};
-
-static const ucolTokSuboption frenchSub[1] = {
- {suboption_07, 1, UCOL_ON}
-};
-
-static const ucolTokSuboption beforeSub[3] = {
- {suboption_06, 1, UCOL_PRIMARY},
- {suboption_07, 1, UCOL_SECONDARY},
- {suboption_08, 1, UCOL_TERTIARY}
-};
-
-static const ucolTokSuboption strengthSub[5] = {
- {suboption_06, 1, UCOL_PRIMARY},
- {suboption_07, 1, UCOL_SECONDARY},
- {suboption_08, 1, UCOL_TERTIARY},
- {suboption_09, 1, UCOL_QUATERNARY},
- {suboption_10, 1, UCOL_IDENTICAL},
-};
-
-static const ucolTokSuboption firstLastSub[7] = {
- {suboption_11, 7, UCOL_PRIMARY},
- {suboption_12, 9, UCOL_PRIMARY},
- {suboption_13, 8, UCOL_PRIMARY},
- {suboption_14, 8, UCOL_PRIMARY},
- {suboption_15, 7, UCOL_PRIMARY},
- {suboption_16, 8, UCOL_PRIMARY},
- {suboption_17, 8, UCOL_PRIMARY},
-};
-
-enum OptionNumber {
- OPTION_ALTERNATE_HANDLING = 0,
- OPTION_FRENCH_COLLATION,
- OPTION_CASE_LEVEL,
- OPTION_CASE_FIRST,
- OPTION_NORMALIZATION_MODE,
- OPTION_HIRAGANA_QUATERNARY,
- OPTION_STRENGTH,
- OPTION_NUMERIC_COLLATION,
- OPTION_NORMAL_OPTIONS_LIMIT = OPTION_NUMERIC_COLLATION,
- OPTION_VARIABLE_TOP,
- OPTION_REARRANGE,
- OPTION_BEFORE,
- OPTION_TOP,
- OPTION_FIRST,
- OPTION_LAST,
- OPTION_OPTIMIZE,
- OPTION_SUPPRESS_CONTRACTIONS,
- OPTION_UNDEFINED,
- OPTION_SCRIPT_ORDER,
- OPTION_CHARSET_NAME,
- OPTION_CHARSET,
- OPTION_IMPORT,
- OPTION_SCRIPTREORDER
-} ;
-
-static const ucolTokOption rulesOptions[UTOK_OPTION_COUNT] = {
- /*00*/ {option_02, 9, alternateSub, 2, UCOL_ALTERNATE_HANDLING}, /*"alternate" */
- /*01*/ {option_03, 9, frenchSub, 1, UCOL_FRENCH_COLLATION}, /*"backwards" */
- /*02*/ {option_07, 9, onOffSub, 2, UCOL_CASE_LEVEL}, /*"caseLevel" */
- /*03*/ {option_08, 9, caseFirstSub, 3, UCOL_CASE_FIRST}, /*"caseFirst" */
- /*04*/ {option_06, 13, onOffSub, 2, UCOL_NORMALIZATION_MODE}, /*"normalization" */
- /*05*/ {option_13, 9, onOffSub, 2, UCOL_HIRAGANA_QUATERNARY_MODE}, /*"hiraganaQ" */
- /*06*/ {option_14, 8, strengthSub, 5, UCOL_STRENGTH}, /*"strength" */
- /*07*/ {option_19, 15, onOffSub, 2, UCOL_NUMERIC_COLLATION}, /*"numericOrdering"*/
- /*08*/ {option_04, 12, NULL, 0, UCOL_ATTRIBUTE_COUNT}, /*"variable top" */
- /*09*/ {option_01, 9, NULL, 0, UCOL_ATTRIBUTE_COUNT}, /*"rearrange" */
- /*10*/ {option_12, 6, beforeSub, 3, UCOL_ATTRIBUTE_COUNT}, /*"before" */
- /*11*/ {option_05, 3, NULL, 0, UCOL_ATTRIBUTE_COUNT}, /*"top" */
- /*12*/ {option_15, 5, firstLastSub, 7, UCOL_ATTRIBUTE_COUNT}, /*"first" */
- /*13*/ {option_16, 4, firstLastSub, 7, UCOL_ATTRIBUTE_COUNT}, /*"last" */
- /*14*/ {option_17, 8, NULL, 0, UCOL_ATTRIBUTE_COUNT}, /*"optimize" */
- /*15*/ {option_18, 20, NULL, 0, UCOL_ATTRIBUTE_COUNT}, /*"suppressContractions" */
- /*16*/ {option_00, 9, NULL, 0, UCOL_ATTRIBUTE_COUNT}, /*"undefined" */
- /*17*/ {option_09, 11, NULL, 0, UCOL_ATTRIBUTE_COUNT}, /*"scriptOrder" */
- /*18*/ {option_10, 11, NULL, 0, UCOL_ATTRIBUTE_COUNT}, /*"charsetname" */
- /*19*/ {option_11, 7, NULL, 0, UCOL_ATTRIBUTE_COUNT}, /*"charset" */
- /*20*/ {option_20, 6, NULL, 0, UCOL_ATTRIBUTE_COUNT}, /*"import" */
- /*21*/ {option_21, 7, NULL, 0, UCOL_ATTRIBUTE_COUNT} /*"reorder" */
-};
-
-static
-int32_t u_strncmpNoCase(const UChar *s1,
- const UChar *s2,
- int32_t n)
-{
- if(n > 0) {
- int32_t rc;
- for(;;) {
- rc = (int32_t)u_tolower(*s1) - (int32_t)u_tolower(*s2);
- if(rc != 0 || *s1 == 0 || --n == 0) {
- return rc;
- }
- ++s1;
- ++s2;
- }
- }
- return 0;
-}
-
-static
-void ucol_uprv_tok_initData() {
- if(!didInit) {
- U_STRING_INIT(suboption_00, "non-ignorable", 13);
- U_STRING_INIT(suboption_01, "shifted", 7);
-
- U_STRING_INIT(suboption_02, "lower", 5);
- U_STRING_INIT(suboption_03, "upper", 5);
- U_STRING_INIT(suboption_04, "off", 3);
- U_STRING_INIT(suboption_05, "on", 2);
-
- U_STRING_INIT(suboption_06, "1", 1);
- U_STRING_INIT(suboption_07, "2", 1);
- U_STRING_INIT(suboption_08, "3", 1);
- U_STRING_INIT(suboption_09, "4", 1);
- U_STRING_INIT(suboption_10, "I", 1);
-
- U_STRING_INIT(suboption_11, "primary", 7);
- U_STRING_INIT(suboption_12, "secondary", 9);
- U_STRING_INIT(suboption_13, "tertiary", 8);
- U_STRING_INIT(suboption_14, "variable", 8);
- U_STRING_INIT(suboption_15, "regular", 7);
- U_STRING_INIT(suboption_16, "implicit", 8);
- U_STRING_INIT(suboption_17, "trailing", 8);
-
-
- U_STRING_INIT(option_00, "undefined", 9);
- U_STRING_INIT(option_01, "rearrange", 9);
- U_STRING_INIT(option_02, "alternate", 9);
- U_STRING_INIT(option_03, "backwards", 9);
- U_STRING_INIT(option_04, "variable top", 12);
- U_STRING_INIT(option_05, "top", 3);
- U_STRING_INIT(option_06, "normalization", 13);
- U_STRING_INIT(option_07, "caseLevel", 9);
- U_STRING_INIT(option_08, "caseFirst", 9);
- U_STRING_INIT(option_09, "scriptOrder", 11);
- U_STRING_INIT(option_10, "charsetname", 11);
- U_STRING_INIT(option_11, "charset", 7);
- U_STRING_INIT(option_12, "before", 6);
- U_STRING_INIT(option_13, "hiraganaQ", 9);
- U_STRING_INIT(option_14, "strength", 8);
- U_STRING_INIT(option_15, "first", 5);
- U_STRING_INIT(option_16, "last", 4);
- U_STRING_INIT(option_17, "optimize", 8);
- U_STRING_INIT(option_18, "suppressContractions", 20);
- U_STRING_INIT(option_19, "numericOrdering", 15);
- U_STRING_INIT(option_20, "import ", 6);
- U_STRING_INIT(option_21, "reorder", 7);
- didInit = TRUE;
- }
-}
-
-
-// This function reads basic options to set in the runtime collator
-// used by data driven tests. Should not support build time options
-U_CAPI const UChar * U_EXPORT2
-ucol_tok_getNextArgument(const UChar *start, const UChar *end,
- UColAttribute *attrib, UColAttributeValue *value,
- UErrorCode *status)
-{
- uint32_t i = 0;
- int32_t j=0;
- UBool foundOption = FALSE;
- const UChar *optionArg = NULL;
-
- ucol_uprv_tok_initData();
-
- while(start < end && PatternProps::isWhiteSpace(*start)) { /* eat whitespace */
- start++;
- }
- if(start >= end) {
- return NULL;
- }
- /* skip opening '[' */
- if(*start == 0x005b) {
- start++;
- } else {
- *status = U_ILLEGAL_ARGUMENT_ERROR; // no opening '['
- return NULL;
- }
-
- while(i < UTOK_OPTION_COUNT) {
- if(u_strncmpNoCase(start, rulesOptions[i].optionName, rulesOptions[i].optionLen) == 0) {
- foundOption = TRUE;
- if(end - start > rulesOptions[i].optionLen) {
- optionArg = start+rulesOptions[i].optionLen+1; /* start of the options, skip space */
- while(PatternProps::isWhiteSpace(*optionArg)) { /* eat whitespace */
- optionArg++;
- }
- }
- break;
- }
- i++;
- }
-
- if(!foundOption) {
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- return NULL;
- }
-
- if(optionArg) {
- for(j = 0; j<rulesOptions[i].subSize; j++) {
- if(u_strncmpNoCase(optionArg, rulesOptions[i].subopts[j].subName, rulesOptions[i].subopts[j].subLen) == 0) {
- //ucol_uprv_tok_setOptionInImage(src->opts, rulesOptions[i].attr, rulesOptions[i].subopts[j].attrVal);
- *attrib = rulesOptions[i].attr;
- *value = rulesOptions[i].subopts[j].attrVal;
- optionArg += rulesOptions[i].subopts[j].subLen;
- while(PatternProps::isWhiteSpace(*optionArg)) { /* eat whitespace */
- optionArg++;
- }
- if(*optionArg == 0x005d) {
- optionArg++;
- return optionArg;
- } else {
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- return NULL;
- }
- }
- }
- }
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- return NULL;
-}
-
-static
-USet *ucol_uprv_tok_readAndSetUnicodeSet(const UChar *start, const UChar *end, UErrorCode *status) {
- while(*start != 0x005b) { /* advance while we find the first '[' */
- start++;
- }
- // now we need to get a balanced set of '[]'. The problem is that a set can have
- // many, and *end point to the first closing '['
- int32_t noOpenBraces = 1;
- int32_t current = 1; // skip the opening brace
- while(start+current < end && noOpenBraces != 0) {
- if(start[current] == 0x005b) {
- noOpenBraces++;
- } else if(start[current] == 0x005D) { // closing brace
- noOpenBraces--;
- }
- current++;
- }
-
- if(noOpenBraces != 0 || u_strchr(start+current, 0x005d /*']'*/) == NULL) {
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- return NULL;
- }
- return uset_openPattern(start, current, status);
-}
-
-/**
- * Reads an option and matches the option name with the predefined options. (Case-insensitive.)
- * @param start Pointer to the start UChar.
- * @param end Pointer to the last valid pointer beyond which the option will not extend.
- * @param optionArg Address of the pointer at which the options start (after the option name)
- * @return The index of the option, or -1 if the option is not valid.
- */
-static
-int32_t ucol_uprv_tok_readOption(const UChar *start, const UChar *end, const UChar **optionArg) {
- int32_t i = 0;
- ucol_uprv_tok_initData();
-
- while(PatternProps::isWhiteSpace(*start)) { /* eat whitespace */
- start++;
- }
- while(i < UTOK_OPTION_COUNT) {
- if(u_strncmpNoCase(start, rulesOptions[i].optionName, rulesOptions[i].optionLen) == 0) {
- if(end - start > rulesOptions[i].optionLen) {
- *optionArg = start+rulesOptions[i].optionLen; /* End of option name; start of the options */
- while(PatternProps::isWhiteSpace(**optionArg)) { /* eat whitespace */
- (*optionArg)++;
- }
- }
- break;
- }
- i++;
- }
- if(i == UTOK_OPTION_COUNT) {
- i = -1; // didn't find an option
- }
- return i;
-}
-
-
-static
-void ucol_tok_parseScriptReorder(UColTokenParser *src, UErrorCode *status) {
- int32_t codeCount = 0;
- int32_t codeIndex = 0;
- char conversion[64];
- int32_t tokenLength = 0;
- const UChar* space;
-
- const UChar* current = src->current;
- const UChar* end = u_memchr(src->current, 0x005d, src->end - src->current);
-
- // eat leading whitespace
- while(current < end && u_isWhitespace(*current)) {
- current++;
- }
-
- while(current < end) {
- space = u_memchr(current, 0x0020, end - current);
- space = space == 0 ? end : space;
- tokenLength = space - current;
- if (tokenLength < 4) {
- *status = U_INVALID_FORMAT_ERROR;
- return;
- }
- codeCount++;
- current += tokenLength;
- while(current < end && u_isWhitespace(*current)) { /* eat whitespace */
- ++current;
- }
- }
-
- if (codeCount == 0) {
- *status = U_INVALID_FORMAT_ERROR;
- }
-
- src->reorderCodesLength = codeCount;
- src->reorderCodes = (int32_t*)uprv_malloc(codeCount * sizeof(int32_t));
- current = src->current;
-
- // eat leading whitespace
- while(current < end && u_isWhitespace(*current)) {
- current++;
- }
-
- while(current < end) {
- space = u_memchr(current, 0x0020, end - current);
- space = space == 0 ? end : space;
- tokenLength = space - current;
- if (tokenLength < 4) {
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- return;
- } else {
- u_UCharsToChars(current, conversion, tokenLength);
- conversion[tokenLength] = '\0';
- src->reorderCodes[codeIndex] = ucol_findReorderingEntry(conversion);
- if (src->reorderCodes[codeIndex] == USCRIPT_INVALID_CODE) {
- src->reorderCodes[codeIndex] = u_getPropertyValueEnum(UCHAR_SCRIPT, conversion);
- }
- if (src->reorderCodes[codeIndex] == USCRIPT_INVALID_CODE) {
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- }
- }
- codeIndex++;
- current += tokenLength;
- while(current < end && u_isWhitespace(*current)) { /* eat whitespace */
- ++current;
- }
- }
-}
-
-// reads and conforms to various options in rules
-// end is the position of the first closing ']'
-// However, some of the options take an UnicodeSet definition
-// which needs to duplicate the closing ']'
-// for example: '[copy [\uAC00-\uD7FF]]'
-// These options will move end to the second ']' and the
-// caller will set the current to it.
-static
-uint8_t ucol_uprv_tok_readAndSetOption(UColTokenParser *src, UErrorCode *status) {
- const UChar* start = src->current;
- int32_t i = 0;
- int32_t j=0;
- const UChar *optionArg = NULL;
-
- uint8_t result = 0;
-
- start++; /*skip opening '['*/
- i = ucol_uprv_tok_readOption(start, src->end, &optionArg);
- if(optionArg) {
- src->current = optionArg;
- }
-
- if(i < 0) {
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- } else {
- int32_t noOpenBraces = 1;
- switch(i) {
- case OPTION_ALTERNATE_HANDLING:
- case OPTION_FRENCH_COLLATION:
- case OPTION_CASE_LEVEL:
- case OPTION_CASE_FIRST:
- case OPTION_NORMALIZATION_MODE:
- case OPTION_HIRAGANA_QUATERNARY:
- case OPTION_STRENGTH:
- case OPTION_NUMERIC_COLLATION:
- if(optionArg) {
- for(j = 0; j<rulesOptions[i].subSize; j++) {
- if(u_strncmpNoCase(optionArg, rulesOptions[i].subopts[j].subName, rulesOptions[i].subopts[j].subLen) == 0) {
- ucol_uprv_tok_setOptionInImage(src->opts, rulesOptions[i].attr, rulesOptions[i].subopts[j].attrVal);
- result = UCOL_TOK_SUCCESS;
- }
- }
- }
- if(result == 0) {
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- }
- break;
- case OPTION_VARIABLE_TOP:
- result = UCOL_TOK_SUCCESS | UCOL_TOK_VARIABLE_TOP;
- break;
- case OPTION_REARRANGE:
- result = UCOL_TOK_SUCCESS;
- break;
- case OPTION_BEFORE:
- if(optionArg) {
- for(j = 0; j<rulesOptions[i].subSize; j++) {
- if(u_strncmpNoCase(optionArg, rulesOptions[i].subopts[j].subName, rulesOptions[i].subopts[j].subLen) == 0) {
- result = UCOL_TOK_SUCCESS | (rulesOptions[i].subopts[j].attrVal + 1);
- }
- }
- }
- if(result == 0) {
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- }
- break;
- case OPTION_TOP: /* we are going to have an array with structures of limit CEs */
- /* index to this array will be src->parsedToken.indirectIndex*/
- src->parsedToken.indirectIndex = 0;
- result = UCOL_TOK_SUCCESS | UCOL_TOK_TOP;
- break;
- case OPTION_FIRST:
- case OPTION_LAST: /* first, last */
- for(j = 0; j<rulesOptions[i].subSize; j++) {
- if(u_strncmpNoCase(optionArg, rulesOptions[i].subopts[j].subName, rulesOptions[i].subopts[j].subLen) == 0) {
- // the calculation below assumes that OPTION_FIRST and OPTION_LAST are at i and i+1 and that the first
- // element of indirect boundaries is reserved for top.
- src->parsedToken.indirectIndex = (uint16_t)(i-OPTION_FIRST+1+j*2);
- result = UCOL_TOK_SUCCESS | UCOL_TOK_TOP;;
- }
- }
- if(result == 0) {
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- }
- break;
- case OPTION_OPTIMIZE:
- case OPTION_SUPPRESS_CONTRACTIONS: // copy and remove are handled before normalization
- // we need to move end here
- src->current++; // skip opening brace
- while(src->current < src->end && noOpenBraces != 0) {
- if(*src->current == 0x005b) {
- noOpenBraces++;
- } else if(*src->current == 0x005D) { // closing brace
- noOpenBraces--;
- }
- src->current++;
- }
- result = UCOL_TOK_SUCCESS;
- break;
- case OPTION_SCRIPTREORDER:
- ucol_tok_parseScriptReorder(src, status);
- break;
- default:
- *status = U_UNSUPPORTED_ERROR;
- break;
- }
- }
- src->current = u_memchr(src->current, 0x005d, (int32_t)(src->end-src->current));
- return result;
-}
-
-
-inline void ucol_tok_addToExtraCurrent(UColTokenParser *src, const UChar *stuff, int32_t len, UErrorCode *status) {
- if (stuff == NULL || len <= 0) {
- return;
- }
- UnicodeString tempStuff(FALSE, stuff, len);
- if(src->extraCurrent+len >= src->extraEnd) {
- /* reallocate */
- if (stuff >= src->source && stuff <= src->end) {
- // Copy the "stuff" contents into tempStuff's own buffer.
- // UnicodeString is copy-on-write.
- if (len > 0) {
- tempStuff.setCharAt(0, tempStuff[0]);
- } else {
- tempStuff.remove();
- }
- }
- UChar *newSrc = (UChar *)uprv_realloc(src->source, (src->extraEnd-src->source)*2*sizeof(UChar));
- if(newSrc != NULL) {
- src->current = newSrc + (src->current - src->source);
- src->extraCurrent = newSrc + (src->extraCurrent - src->source);
- src->end = newSrc + (src->end - src->source);
- src->extraEnd = newSrc + (src->extraEnd-src->source)*2;
- src->sourceCurrent = newSrc + (src->sourceCurrent-src->source);
- src->source = newSrc;
- } else {
- *status = U_MEMORY_ALLOCATION_ERROR;
- return;
- }
- }
- if(len == 1) {
- *src->extraCurrent++ = tempStuff[0];
- } else {
- u_memcpy(src->extraCurrent, tempStuff.getBuffer(), len);
- src->extraCurrent += len;
- }
-}
-
-inline UBool ucol_tok_doSetTop(UColTokenParser *src, UErrorCode *status) {
- /*
- top = TRUE;
- */
- UChar buff[5];
- src->parsedToken.charsOffset = (uint32_t)(src->extraCurrent - src->source);
- buff[0] = 0xFFFE;
- buff[1] = (UChar)(ucolIndirectBoundaries[src->parsedToken.indirectIndex].startCE >> 16);
- buff[2] = (UChar)(ucolIndirectBoundaries[src->parsedToken.indirectIndex].startCE & 0xFFFF);
- if(ucolIndirectBoundaries[src->parsedToken.indirectIndex].startContCE == 0) {
- src->parsedToken.charsLen = 3;
- ucol_tok_addToExtraCurrent(src, buff, 3, status);
- } else {
- buff[3] = (UChar)(ucolIndirectBoundaries[src->parsedToken.indirectIndex].startContCE >> 16);
- buff[4] = (UChar)(ucolIndirectBoundaries[src->parsedToken.indirectIndex].startContCE & 0xFFFF);
- src->parsedToken.charsLen = 5;
- ucol_tok_addToExtraCurrent(src, buff, 5, status);
- }
- return TRUE;
-}
-
-static UBool isCharNewLine(UChar c){
- switch(c){
- case 0x000A: /* LF */
- case 0x000D: /* CR */
- case 0x000C: /* FF */
- case 0x0085: /* NEL */
- case 0x2028: /* LS */
- case 0x2029: /* PS */
- return TRUE;
- default:
- return FALSE;
- }
-}
-
-/*
- * This function is called several times when a range is processed. Each time, the next code point
- * is processed.
- * The following variables must be set before calling this function:
- * src->currentRangeCp: The current code point to process.
- * src->lastRangeCp: The last code point in the range.
- * Pre-requisite: src->currentRangeCp <= src->lastRangeCp.
- */
-static const UChar*
-ucol_tok_processNextCodePointInRange(UColTokenParser *src,
- UErrorCode *status)
-{
- // Append current code point to source
- UChar buff[U16_MAX_LENGTH];
- uint32_t i = 0;
-
- uint32_t nChars = U16_LENGTH(src->currentRangeCp);
- src->parsedToken.charsOffset = (uint32_t)(src->extraCurrent - src->source);
- src->parsedToken.charsLen = nChars;
-
- U16_APPEND_UNSAFE(buff, i, src->currentRangeCp);
- ucol_tok_addToExtraCurrent(src, buff, nChars, status);
-
- ++src->currentRangeCp;
- if (src->currentRangeCp > src->lastRangeCp) {
- src->inRange = FALSE;
-
- if (src->currentStarredCharIndex > src->lastStarredCharIndex) {
- src->isStarred = FALSE;
- }
- } else {
- src->previousCp = src->currentRangeCp;
- }
- return src->current;
-}
-
-/*
- * This function is called several times when a starred list is processed. Each time, the next code point
- * in the list is processed.
- * The following variables must be set before calling this function:
- * src->currentStarredCharIndex: Index (in src->source) of the first char of the current code point.
- * src->lastStarredCharIndex: Index to the last character in the list.
- * Pre-requisite: src->currentStarredCharIndex <= src->lastStarredCharIndex.
- */
-static const UChar*
-ucol_tok_processNextTokenInStarredList(UColTokenParser *src)
-{
- // Extract the characters corresponding to the next code point.
- UChar32 cp;
- src->parsedToken.charsOffset = src->currentStarredCharIndex;
- int32_t prev = src->currentStarredCharIndex;
- U16_NEXT(src->source, src->currentStarredCharIndex, (uint32_t)(src->end - src->source), cp);
- src->parsedToken.charsLen = src->currentStarredCharIndex - prev;
-
- // When we are done parsing the starred string, turn the flag off so that
- // the normal processing is restored.
- if (src->currentStarredCharIndex > src->lastStarredCharIndex) {
- src->isStarred = FALSE;
- }
- src->previousCp = cp;
- return src->current;
-}
-
-/*
- * Partially parses the next token, keeps the indices in src->parsedToken, and updates the counters.
- *
- * This routine parses and separates almost all tokens. The following are the syntax characters recognized.
- * # : Comment character
- * & : Reset operator
- * = : Equality
- * < : Primary collation
- * << : Secondary collation
- * <<< : Tertiary collation
- * ; : Secondary collation
- * , : Tertiary collation
- * / : Expansions
- * | : Prefix
- * - : Range
-
- * ! : Java Thai modifier, ignored
- * @ : French only
-
- * [] : Options
- * '' : Quotes
- *
- * Along with operators =, <, <<, <<<, the operator * is supported to indicate a list. For example, &a<*bcdexyz
- * is equivalent to &a<b<c<d<e<x<y<z. In lists, ranges also can be given, so &a*b-ex-z is equivalent to the above.
- * This function do not separate the tokens in a list. Instead, &a<*b-ex-z is parsed as three tokens - "&a",
- * "<*b", "-ex", "-z". The strength (< in this case), whether in a list, whether in a range and the previous
- * character returned as cached so that the calling program can do further splitting.
- */
-static const UChar*
-ucol_tok_parseNextTokenInternal(UColTokenParser *src,
- UBool startOfRules,
- UParseError *parseError,
- UErrorCode *status)
-{
- UBool variableTop = FALSE;
- UBool top = FALSE;
- UBool inChars = TRUE;
- UBool inQuote = FALSE;
- UBool wasInQuote = FALSE;
- uint8_t before = 0;
- UBool isEscaped = FALSE;
-
- // TODO: replace these variables with src->parsedToken counterparts
- // no need to use them anymore since we have src->parsedToken.
- // Ideally, token parser would be a nice class... Once, when I have
- // more time (around 2020 probably).
- uint32_t newExtensionLen = 0;
- uint32_t extensionOffset = 0;
- uint32_t newStrength = UCOL_TOK_UNSET;
- UChar buff[10];
-
- src->parsedToken.charsOffset = 0; src->parsedToken.charsLen = 0;
- src->parsedToken.prefixOffset = 0; src->parsedToken.prefixLen = 0;
- src->parsedToken.indirectIndex = 0;
-
- while (src->current < src->end) {
- UChar ch = *(src->current);
-
- if (inQuote) {
- if (ch == 0x0027/*'\''*/) {
- inQuote = FALSE;
- } else {
- if ((src->parsedToken.charsLen == 0) || inChars) {
- if(src->parsedToken.charsLen == 0) {
- src->parsedToken.charsOffset = (uint32_t)(src->extraCurrent - src->source);
- }
- src->parsedToken.charsLen++;
- } else {
- if(newExtensionLen == 0) {
- extensionOffset = (uint32_t)(src->extraCurrent - src->source);
- }
- newExtensionLen++;
- }
- }
- }else if(isEscaped){
- isEscaped =FALSE;
- if (newStrength == UCOL_TOK_UNSET) {
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,(int32_t)(src->current-src->source),(int32_t)(src->end-src->source),parseError);
- DBG_FORMAT_ERROR
- return NULL;
- // enabling rules to start with non-tokens a < b
- // newStrength = UCOL_TOK_RESET;
- }
- if(ch != 0x0000 && src->current != src->end) {
- if (inChars) {
- if(src->parsedToken.charsLen == 0) {
- src->parsedToken.charsOffset = (uint32_t)(src->current - src->source);
- }
- src->parsedToken.charsLen++;
- } else {
- if(newExtensionLen == 0) {
- extensionOffset = (uint32_t)(src->current - src->source);
- }
- newExtensionLen++;
- }
- }
- }else {
- if(!PatternProps::isWhiteSpace(ch)) {
- /* Sets the strength for this entry */
- switch (ch) {
- case 0x003D/*'='*/ :
- if (newStrength != UCOL_TOK_UNSET) {
- goto EndOfLoop;
- }
-
- /* if we start with strength, we'll reset to top */
- if(startOfRules == TRUE) {
- src->parsedToken.indirectIndex = 5;
- top = ucol_tok_doSetTop(src, status);
- newStrength = UCOL_TOK_RESET;
- goto EndOfLoop;
- }
- newStrength = UCOL_IDENTICAL;
- if(*(src->current+1) == 0x002A) {/*'*'*/
- src->current++;
- src->isStarred = TRUE;
- }
- break;
-
- case 0x002C/*','*/:
- if (newStrength != UCOL_TOK_UNSET) {
- goto EndOfLoop;
- }
-
- /* if we start with strength, we'll reset to top */
- if(startOfRules == TRUE) {
- src->parsedToken.indirectIndex = 5;
- top = ucol_tok_doSetTop(src, status);
- newStrength = UCOL_TOK_RESET;
- goto EndOfLoop;
- }
- newStrength = UCOL_TERTIARY;
- break;
-
- case 0x003B/*';'*/:
- if (newStrength != UCOL_TOK_UNSET) {
- goto EndOfLoop;
- }
-
- /* if we start with strength, we'll reset to top */
- if(startOfRules == TRUE) {
- src->parsedToken.indirectIndex = 5;
- top = ucol_tok_doSetTop(src, status);
- newStrength = UCOL_TOK_RESET;
- goto EndOfLoop;
- }
- newStrength = UCOL_SECONDARY;
- break;
-
- case 0x003C/*'<'*/:
- if (newStrength != UCOL_TOK_UNSET) {
- goto EndOfLoop;
- }
-
- /* if we start with strength, we'll reset to top */
- if(startOfRules == TRUE) {
- src->parsedToken.indirectIndex = 5;
- top = ucol_tok_doSetTop(src, status);
- newStrength = UCOL_TOK_RESET;
- goto EndOfLoop;
- }
- /* before this, do a scan to verify whether this is */
- /* another strength */
- if(*(src->current+1) == 0x003C) {
- src->current++;
- if(*(src->current+1) == 0x003C) {
- src->current++; /* three in a row! */
- newStrength = UCOL_TERTIARY;
- } else { /* two in a row */
- newStrength = UCOL_SECONDARY;
- }
- } else { /* just one */
- newStrength = UCOL_PRIMARY;
- }
- if(*(src->current+1) == 0x002A) {/*'*'*/
- src->current++;
- src->isStarred = TRUE;
- }
- break;
-
- case 0x0026/*'&'*/:
- if (newStrength != UCOL_TOK_UNSET) {
- /**/
- goto EndOfLoop;
- }
-
- newStrength = UCOL_TOK_RESET; /* PatternEntry::RESET = 0 */
- break;
-
- case 0x005b/*'['*/:
- /* options - read an option, analyze it */
- if(u_strchr(src->current, 0x005d /*']'*/) != NULL) {
- uint8_t result = ucol_uprv_tok_readAndSetOption(src, status);
- if(U_SUCCESS(*status)) {
- if(result & UCOL_TOK_TOP) {
- if(newStrength == UCOL_TOK_RESET) {
- top = ucol_tok_doSetTop(src, status);
- if(before) { // This is a combination of before and indirection like '&[before 2][first regular]<b'
- src->parsedToken.charsLen+=2;
- buff[0] = 0x002d;
- buff[1] = before;
- ucol_tok_addToExtraCurrent(src, buff, 2, status);
- }
-
- src->current++;
- goto EndOfLoop;
- } else {
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,(int32_t)(src->current-src->source),(int32_t)(src->end-src->source),parseError);
- DBG_FORMAT_ERROR
- }
- } else if(result & UCOL_TOK_VARIABLE_TOP) {
- if(newStrength != UCOL_TOK_RESET && newStrength != UCOL_TOK_UNSET) {
- variableTop = TRUE;
- src->parsedToken.charsOffset = (uint32_t)(src->extraCurrent - src->source);
- src->parsedToken.charsLen = 1;
- buff[0] = 0xFFFF;
- ucol_tok_addToExtraCurrent(src, buff, 1, status);
- src->current++;
- goto EndOfLoop;
- } else {
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,(int32_t)(src->current-src->source),(int32_t)(src->end-src->source),parseError);
- DBG_FORMAT_ERROR
- }
- } else if (result & UCOL_TOK_BEFORE){
- if(newStrength == UCOL_TOK_RESET) {
- before = result & UCOL_TOK_BEFORE;
- } else {
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,(int32_t)(src->current-src->source),(int32_t)(src->end-src->source),parseError);
- DBG_FORMAT_ERROR
- }
- }
- } else {
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,(int32_t)(src->current-src->source),(int32_t)(src->end-src->source),parseError);
- DBG_FORMAT_ERROR
- return NULL;
- }
- }
- break;
- case 0x0021/*! skip java thai modifier reordering*/:
- break;
- case 0x002F/*'/'*/:
- wasInQuote = FALSE; /* if we were copying source characters, we want to stop now */
- inChars = FALSE; /* we're now processing expansion */
- break;
- case 0x005C /* back slash for escaped chars */:
- isEscaped = TRUE;
- break;
- /* found a quote, we're gonna start copying */
- case 0x0027/*'\''*/:
- if (newStrength == UCOL_TOK_UNSET) { /* quote is illegal until we have a strength */
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,(int32_t)(src->current-src->source),(int32_t)(src->end-src->source),parseError);
- DBG_FORMAT_ERROR
- return NULL;
- // enabling rules to start with a non-token character a < b
- // newStrength = UCOL_TOK_RESET;
- }
-
- inQuote = TRUE;
-
- if(inChars) { /* we're doing characters */
- if(wasInQuote == FALSE) {
- src->parsedToken.charsOffset = (uint32_t)(src->extraCurrent - src->source);
- }
- if (src->parsedToken.charsLen != 0) {
- ucol_tok_addToExtraCurrent(src, src->current - src->parsedToken.charsLen, src->parsedToken.charsLen, status);
- }
- src->parsedToken.charsLen++;
- } else { /* we're doing an expansion */
- if(wasInQuote == FALSE) {
- extensionOffset = (uint32_t)(src->extraCurrent - src->source);
- }
- if (newExtensionLen != 0) {
- ucol_tok_addToExtraCurrent(src, src->current - newExtensionLen, newExtensionLen, status);
- }
- newExtensionLen++;
- }
-
- wasInQuote = TRUE;
-
- ch = *(++(src->current));
- if(ch == 0x0027) { /* copy the double quote */
- ucol_tok_addToExtraCurrent(src, &ch, 1, status);
- inQuote = FALSE;
- }
- break;
-
- /* '@' is french only if the strength is not currently set */
- /* if it is, it's just a regular character in collation rules */
- case 0x0040/*'@'*/:
- if (newStrength == UCOL_TOK_UNSET) {
- src->opts->frenchCollation = UCOL_ON;
- break;
- }
-
- case 0x007C /*|*/: /* this means we have actually been reading prefix part */
- // we want to store read characters to the prefix part and continue reading
- // the characters (proper way would be to restart reading the chars, but in
- // that case we would have to complicate the token hasher, which I do not
- // intend to play with. Instead, we will do prefixes when prefixes are due
- // (before adding the elements).
- src->parsedToken.prefixOffset = src->parsedToken.charsOffset;
- src->parsedToken.prefixLen = src->parsedToken.charsLen;
-
- if(inChars) { /* we're doing characters */
- if(wasInQuote == FALSE) {
- src->parsedToken.charsOffset = (uint32_t)(src->extraCurrent - src->source);
- }
- if (src->parsedToken.charsLen != 0) {
- ucol_tok_addToExtraCurrent(src, src->current - src->parsedToken.charsLen, src->parsedToken.charsLen, status);
- }
- src->parsedToken.charsLen++;
- }
-
- wasInQuote = TRUE;
-
- do {
- ch = *(++(src->current));
- // skip whitespace between '|' and the character
- } while (PatternProps::isWhiteSpace(ch));
- break;
-
- //charsOffset = 0;
- //newCharsLen = 0;
- //break; // We want to store the whole prefix/character sequence. If we break
- // the '|' is going to get lost.
-
- case 0x002D /*-*/: /* A range. */
- if (newStrength != UCOL_TOK_UNSET) {
- // While processing the pending token, the isStarred field
- // is reset, so it needs to be saved for the next
- // invocation.
- src->savedIsStarred = src->isStarred;
- goto EndOfLoop;
- }
- src->isStarred = src->savedIsStarred;
-
- // Ranges are valid only in starred tokens.
- if (!src->isStarred) {
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,(int32_t)(src->current-src->source),(int32_t)(src->end-src->source),parseError);
- DBG_FORMAT_ERROR
- return NULL;
- }
- newStrength = src->parsedToken.strength;
- src->inRange = TRUE;
- break;
-
- case 0x0023 /*#*/: /* this is a comment, skip everything through the end of line */
- do {
- ch = *(++(src->current));
- } while (!isCharNewLine(ch));
-
- break;
- default:
- if (newStrength == UCOL_TOK_UNSET) {
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,(int32_t)(src->current-src->source),(int32_t)(src->end-src->source),parseError);
- DBG_FORMAT_ERROR
- return NULL;
- }
-
- if (ucol_tok_isSpecialChar(ch) && (inQuote == FALSE)) {
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,(int32_t)(src->current-src->source),(int32_t)(src->end-src->source),parseError);
- DBG_FORMAT_ERROR
- return NULL;
- }
-
- if(ch == 0x0000 && src->current+1 == src->end) {
- break;
- }
-
- if (inChars) {
- if(src->parsedToken.charsLen == 0) {
- src->parsedToken.charsOffset = (uint32_t)(src->current - src->source);
- }
- src->parsedToken.charsLen++;
- } else {
- if(newExtensionLen == 0) {
- extensionOffset = (uint32_t)(src->current - src->source);
- }
- newExtensionLen++;
- }
-
- break;
- }
- }
- }
-
- if(wasInQuote) {
- if(ch != 0x27) {
- if(inQuote || !PatternProps::isWhiteSpace(ch)) {
- ucol_tok_addToExtraCurrent(src, &ch, 1, status);
- }
- }
- }
-
- src->current++;
- }
-
-EndOfLoop:
- wasInQuote = FALSE;
- if (newStrength == UCOL_TOK_UNSET) {
- return NULL;
- }
-
- if (src->parsedToken.charsLen == 0 && top == FALSE) {
- syntaxError(src->source,(int32_t)(src->current-src->source),(int32_t)(src->end-src->source),parseError);
- *status = U_INVALID_FORMAT_ERROR;
- DBG_FORMAT_ERROR
- return NULL;
- }
-
- src->parsedToken.strength = newStrength;
- src->parsedToken.extensionOffset = extensionOffset;
- src->parsedToken.extensionLen = newExtensionLen;
- src->parsedToken.flags = (UCOL_TOK_VARIABLE_TOP * (variableTop?1:0)) | (UCOL_TOK_TOP * (top?1:0)) | before;
-
- return src->current;
-}
-
-/*
- * Parses the next token, keeps the indices in src->parsedToken, and updates the counters.
- * @see ucol_tok_parseNextTokenInternal() for the description of what operators are supported.
- *
- * In addition to what ucol_tok_parseNextTokenInternal() does, this function does the following:
- * 1) ucol_tok_parseNextTokenInternal() returns a range as a single token. This function separates
- * it to separate tokens and returns one by one. In order to do that, the necessary states are
- * cached as member variables of the token parser.
- * 2) When encountering a range, ucol_tok_parseNextTokenInternal() processes characters up to the
- * starting character as a single list token (which is separated into individual characters here)
- * and as another list token starting with the last character in the range. Before expanding it
- * as a list of tokens, this function expands the range by filling the intermediate characters and
- * returns them one by one as separate tokens.
- * Necessary checks are done for invalid combinations.
- */
-U_CAPI const UChar* U_EXPORT2
-ucol_tok_parseNextToken(UColTokenParser *src,
- UBool startOfRules,
- UParseError *parseError,
- UErrorCode *status)
-{
- const UChar *nextToken;
-
- if (src->inRange) {
- // We are not done processing a range. Continue it.
- return ucol_tok_processNextCodePointInRange(src, status);
- } else if (src->isStarred) {
- // We are not done processing a starred token. Continue it.
- return ucol_tok_processNextTokenInStarredList(src);
- }
-
- // Get the next token.
- nextToken = ucol_tok_parseNextTokenInternal(src, startOfRules, parseError, status);
-
- if (nextToken == NULL) {
- return NULL;
- }
-
- if (src->inRange) {
- // A new range has started.
- // Check whether it is a chain of ranges with more than one hyphen.
- if (src->lastRangeCp > 0 && src->lastRangeCp == src->previousCp) {
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,src->parsedToken.charsOffset-1,
- src->parsedToken.charsOffset+src->parsedToken.charsLen, parseError);
- DBG_FORMAT_ERROR
- return NULL;
- }
-
- // The current token indicates the second code point of the range.
- // Process just that, and then proceed with the star.
- src->currentStarredCharIndex = src->parsedToken.charsOffset;
- U16_NEXT(src->source, src->currentStarredCharIndex,
- (uint32_t)(src->end - src->source), src->lastRangeCp);
- if (src->lastRangeCp <= src->previousCp) {
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,src->parsedToken.charsOffset-1,
- src->parsedToken.charsOffset+src->parsedToken.charsLen,parseError);
- DBG_FORMAT_ERROR
- return NULL;
- }
-
- // Set current range code point to process the range loop
- src->currentRangeCp = src->previousCp + 1;
-
- src->lastStarredCharIndex = src->parsedToken.charsOffset + src->parsedToken.charsLen - 1;
-
- return ucol_tok_processNextCodePointInRange(src, status);
- } else if (src->isStarred) {
- // We define two indices m_currentStarredCharIndex_ and m_lastStarredCharIndex_ so that
- // [m_currentStarredCharIndex_ .. m_lastStarredCharIndex_], both inclusive, need to be
- // separated into several tokens and returned.
- src->currentStarredCharIndex = src->parsedToken.charsOffset;
- src->lastStarredCharIndex = src->parsedToken.charsOffset + src->parsedToken.charsLen - 1;
-
- return ucol_tok_processNextTokenInStarredList(src);
- } else {
- // Set previous codepoint
- U16_GET(src->source, 0, src->parsedToken.charsOffset, (uint32_t)(src->end - src->source), src->previousCp);
- }
- return nextToken;
-}
-
-
-/*
-Processing Description
-1 Build a ListList. Each list has a header, which contains two lists (positive
-and negative), a reset token, a baseCE, nextCE, and previousCE. The lists and
-reset may be null.
-2 As you process, you keep a LAST pointer that points to the last token you
-handled.
-
-*/
-
-static UColToken *ucol_tok_initAReset(UColTokenParser *src, const UChar *expand, uint32_t *expandNext,
- UParseError *parseError, UErrorCode *status)
-{
- if(src->resultLen == src->listCapacity) {
- // Unfortunately, this won't work, as we store addresses of lhs in token
- src->listCapacity *= 2;
- src->lh = (UColTokListHeader *)uprv_realloc(src->lh, src->listCapacity*sizeof(UColTokListHeader));
- if(src->lh == NULL) {
- *status = U_MEMORY_ALLOCATION_ERROR;
- return NULL;
- }
- }
- /* do the reset thing */
- UColToken *sourceToken = (UColToken *)uprv_malloc(sizeof(UColToken));
- /* test for NULL */
- if (sourceToken == NULL) {
- *status = U_MEMORY_ALLOCATION_ERROR;
- return NULL;
- }
- sourceToken->rulesToParseHdl = &(src->source);
- sourceToken->source = src->parsedToken.charsLen << 24 | src->parsedToken.charsOffset;
- sourceToken->expansion = src->parsedToken.extensionLen << 24 | src->parsedToken.extensionOffset;
-
- sourceToken->debugSource = *(src->source + src->parsedToken.charsOffset);
- sourceToken->debugExpansion = *(src->source + src->parsedToken.extensionOffset);
-
- // keep the flags around so that we know about before
- sourceToken->flags = src->parsedToken.flags;
-
- if(src->parsedToken.prefixOffset != 0) {
- // this is a syntax error
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,src->parsedToken.charsOffset-1,src->parsedToken.charsOffset+src->parsedToken.charsLen,parseError);
- DBG_FORMAT_ERROR
- uprv_free(sourceToken);
- return 0;
- } else {
- sourceToken->prefix = 0;
- }
-
- sourceToken->polarity = UCOL_TOK_POLARITY_POSITIVE; /* TODO: this should also handle reverse */
- sourceToken->strength = UCOL_TOK_RESET;
- sourceToken->next = NULL;
- sourceToken->previous = NULL;
- sourceToken->noOfCEs = 0;
- sourceToken->noOfExpCEs = 0;
- sourceToken->listHeader = &src->lh[src->resultLen];
-
- src->lh[src->resultLen].first = NULL;
- src->lh[src->resultLen].last = NULL;
- src->lh[src->resultLen].first = NULL;
- src->lh[src->resultLen].last = NULL;
-
- src->lh[src->resultLen].reset = sourceToken;
-
- /*
- 3 Consider each item: relation, source, and expansion: e.g. ...< x / y ...
- First convert all expansions into normal form. Examples:
- If "xy" doesn't occur earlier in the list or in the UCA, convert &xy * c *
- d * ... into &x * c/y * d * ...
- Note: reset values can never have expansions, although they can cause the
- very next item to have one. They may be contractions, if they are found
- earlier in the list.
- */
- *expandNext = 0;
- if(expand != NULL) {
- /* check to see if there is an expansion */
- if(src->parsedToken.charsLen > 1) {
- uint32_t resetCharsOffset;
- resetCharsOffset = (uint32_t)(expand - src->source);
- sourceToken->source = ((resetCharsOffset - src->parsedToken.charsOffset ) << 24) | src->parsedToken.charsOffset;
- *expandNext = ((src->parsedToken.charsLen + src->parsedToken.charsOffset - resetCharsOffset)<<24) | (resetCharsOffset);
- }
- }
-
- src->resultLen++;
-
- uhash_put(src->tailored, sourceToken, sourceToken, status);
-
- return sourceToken;
-}
-
-static
-inline UColToken *getVirginBefore(UColTokenParser *src, UColToken *sourceToken, uint8_t strength, UParseError *parseError, UErrorCode *status) {
- if(U_FAILURE(*status)) {
- return NULL;
- }
- /* this is a virgin before - we need to fish the anchor from the UCA */
- collIterate s;
- uint32_t baseCE = UCOL_NOT_FOUND, baseContCE = UCOL_NOT_FOUND;
- uint32_t CE, SecondCE;
- // uint32_t invPos;
- if(sourceToken != NULL) {
- uprv_init_collIterate(src->UCA, src->source+((sourceToken->source)&0xFFFFFF), 1, &s, status);
- } else {
- uprv_init_collIterate(src->UCA, src->source+src->parsedToken.charsOffset /**charsOffset*/, 1, &s, status);
- }
- if(U_FAILURE(*status)) {
- return NULL;
- }
-
- baseCE = ucol_getNextCE(src->UCA, &s, status) & 0xFFFFFF3F;
- baseContCE = ucol_getNextCE(src->UCA, &s, status);
- if(baseContCE == UCOL_NO_MORE_CES) {
- baseContCE = 0;
- }
-
-
- UCAConstants *consts = (UCAConstants *)((uint8_t *)src->UCA->image + src->UCA->image->UCAConsts);
- uint32_t ch = 0;
- uint32_t expandNext = 0;
- UColToken key;
-
- if((baseCE & 0xFF000000) >= (consts->UCA_PRIMARY_IMPLICIT_MIN<<24) && (baseCE & 0xFF000000) <= (consts->UCA_PRIMARY_IMPLICIT_MAX<<24) ) { /* implicits - */
- uint32_t primary = (baseCE & UCOL_PRIMARYMASK) | ((baseContCE & UCOL_PRIMARYMASK) >> 16);
- uint32_t raw = uprv_uca_getRawFromImplicit(primary);
- ch = uprv_uca_getCodePointFromRaw(raw-1);
- uint32_t primaryCE = uprv_uca_getImplicitFromRaw(raw-1);
- CE = (primaryCE & UCOL_PRIMARYMASK) | 0x0505;
- SecondCE = ((primaryCE << 16) & UCOL_PRIMARYMASK) | UCOL_CONTINUATION_MARKER;
-
- src->parsedToken.charsOffset = (uint32_t)(src->extraCurrent - src->source);
- *src->extraCurrent++ = 0xFFFE;
- *src->extraCurrent++ = (UChar)ch;
- src->parsedToken.charsLen++;
-
- key.source = (src->parsedToken.charsLen/**newCharsLen*/ << 24) | src->parsedToken.charsOffset/**charsOffset*/;
- key.rulesToParseHdl = &(src->source);
-
- //sourceToken = (UColToken *)uhash_iget(src->tailored, (int32_t)key);
- sourceToken = (UColToken *)uhash_get(src->tailored, &key);
-
- if(sourceToken == NULL) {
- src->lh[src->resultLen].baseCE = CE & 0xFFFFFF3F;
- if(isContinuation(SecondCE)) {
- src->lh[src->resultLen].baseContCE = SecondCE;
- } else {
- src->lh[src->resultLen].baseContCE = 0;
- }
- src->lh[src->resultLen].nextCE = 0;
- src->lh[src->resultLen].nextContCE = 0;
- src->lh[src->resultLen].previousCE = 0;
- src->lh[src->resultLen].previousContCE = 0;
-
- src->lh[src->resultLen].indirect = FALSE;
-
- sourceToken = ucol_tok_initAReset(src, 0, &expandNext, parseError, status);
- }
-
- } else {
- /* invPos = */ ucol_inv_getPrevCE(src, baseCE, baseContCE, &CE, &SecondCE, strength);
-
- // we got the previous CE. Now we need to see if the difference between
- // the two CEs is really of the requested strength.
- // if it's a bigger difference (we asked for secondary and got primary), we
- // need to modify the CE.
- if(ucol_getCEStrengthDifference(baseCE, baseContCE, CE, SecondCE) < strength) {
- // adjust the strength
- // now we are in the situation where our baseCE should actually be modified in
- // order to get the CE in the right position.
- if(strength == UCOL_SECONDARY) {
- CE = baseCE - 0x0200;
- } else { // strength == UCOL_TERTIARY
- CE = baseCE - 0x02;
- }
- if(baseContCE) {
- if(strength == UCOL_SECONDARY) {
- SecondCE = baseContCE - 0x0200;
- } else { // strength == UCOL_TERTIARY
- SecondCE = baseContCE - 0x02;
- }
- }
- }
-
-#if 0
- // the code below relies on getting a code point from the inverse table, in order to be
- // able to merge the situations like &x < 9 &[before 1]a < d. This won't work:
- // 1. There are many code points that have the same CE
- // 2. The CE to codepoint table (things pointed to by CETable[3*invPos+2] are broken.
- // Also, in case when there is no equivalent strength before an element, we have to actually
- // construct one. For example, &[before 2]a << x won't result in x << a, because the element
- // before a is a primary difference.
-
- //uint32_t *CETable = (uint32_t *)((uint8_t *)src->invUCA+src->invUCA->table);
-
-
- ch = CETable[3*invPos+2];
-
- if((ch & UCOL_INV_SIZEMASK) != 0) {
- uint16_t *conts = (uint16_t *)((uint8_t *)src->invUCA+src->invUCA->conts);
- uint32_t offset = (ch & UCOL_INV_OFFSETMASK);
- ch = conts[offset];
- }
-
- *src->extraCurrent++ = (UChar)ch;
- src->parsedToken.charsOffset = (uint32_t)(src->extraCurrent - src->source - 1);
- src->parsedToken.charsLen = 1;
-
- // We got an UCA before. However, this might have been tailored.
- // example:
- // &\u30ca = \u306a
- // &[before 3]\u306a<<<\u306a|\u309d
-
-
- // uint32_t key = (*newCharsLen << 24) | *charsOffset;
- key.source = (src->parsedToken.charsLen/**newCharsLen*/ << 24) | src->parsedToken.charsOffset/**charsOffset*/;
- key.rulesToParseHdl = &(src->source);
-
- //sourceToken = (UColToken *)uhash_iget(src->tailored, (int32_t)key);
- sourceToken = (UColToken *)uhash_get(src->tailored, &key);
-#endif
-
- // here is how it should be. The situation such as &[before 1]a < x, should be
- // resolved exactly as if we wrote &a > x.
- // therefore, I don't really care if the UCA value before a has been changed.
- // However, I do care if the strength between my element and the previous element
- // is bigger then I wanted. So, if CE < baseCE and I wanted &[before 2], then i'll
- // have to construct the base CE.
-
-
-
- // if we found a tailored thing, we have to use the UCA value and construct
- // a new reset token with constructed name
- //if(sourceToken != NULL && sourceToken->strength != UCOL_TOK_RESET) {
- // character to which we want to anchor is already tailored.
- // We need to construct a new token which will be the anchor
- // point
- //*(src->extraCurrent-1) = 0xFFFE;
- //*src->extraCurrent++ = (UChar)ch;
- // grab before
- src->parsedToken.charsOffset -= 10;
- src->parsedToken.charsLen += 10;
- src->lh[src->resultLen].baseCE = CE & 0xFFFFFF3F;
- if(isContinuation(SecondCE)) {
- src->lh[src->resultLen].baseContCE = SecondCE;
- } else {
- src->lh[src->resultLen].baseContCE = 0;
- }
- src->lh[src->resultLen].nextCE = 0;
- src->lh[src->resultLen].nextContCE = 0;
- src->lh[src->resultLen].previousCE = 0;
- src->lh[src->resultLen].previousContCE = 0;
-
- src->lh[src->resultLen].indirect = FALSE;
-
- sourceToken = ucol_tok_initAReset(src, 0, &expandNext, parseError, status);
- //}
- }
-
- return sourceToken;
-
-}
-
-uint32_t ucol_tok_assembleTokenList(UColTokenParser *src, UParseError *parseError, UErrorCode *status) {
- UColToken *lastToken = NULL;
- const UChar *parseEnd = NULL;
- uint32_t expandNext = 0;
- UBool variableTop = FALSE;
- UBool top = FALSE;
- uint16_t specs = 0;
- UColTokListHeader *ListList = NULL;
-
- src->parsedToken.strength = UCOL_TOK_UNSET;
-
- ListList = src->lh;
-
- if(U_FAILURE(*status)) {
- return 0;
- }
-#ifdef DEBUG_FOR_CODE_POINTS
- char filename[35];
- sprintf(filename, "/tmp/debug_for_cp_%09d.txt", getpid());
- dfcp_fp = fopen(filename, "a");
- fprintf(stdout, "Output is in the file %s.\n", filename);
-#endif
-
-#ifdef DEBUG_FOR_COLL_RULES
- std::string s3;
- UnicodeString(src->source).toUTF8String(s3);
- std::cout << "src->source = " << s3 << std::endl;
-#endif
-
- while(src->current < src->end || src->isStarred) {
- src->parsedToken.prefixOffset = 0;
-
- parseEnd = ucol_tok_parseNextToken(src,
- (UBool)(lastToken == NULL),
- parseError,
- status);
-
- specs = src->parsedToken.flags;
-
-
- variableTop = ((specs & UCOL_TOK_VARIABLE_TOP) != 0);
- top = ((specs & UCOL_TOK_TOP) != 0);
-
- if(U_SUCCESS(*status) && parseEnd != NULL) {
- UColToken *sourceToken = NULL;
- //uint32_t key = 0;
- uint32_t lastStrength = UCOL_TOK_UNSET;
-
- if(lastToken != NULL ) {
- lastStrength = lastToken->strength;
- }
-
-#ifdef DEBUG_FOR_CODE_POINTS
- UChar32 cp;
- U16_GET(src->source, 0, src->parsedToken.charsOffset, (uint32_t)(src->extraEnd - src->source), cp);
- fprintf(dfcp_fp, "Code point = %x, Strength = %x\n", cp, src->parsedToken.strength);
-#endif
- //key = newCharsLen << 24 | charsOffset;
- UColToken key;
- key.source = src->parsedToken.charsLen << 24 | src->parsedToken.charsOffset;
- key.rulesToParseHdl = &(src->source);
-
- /* 4 Lookup each source in the CharsToToken map, and find a sourceToken */
- sourceToken = (UColToken *)uhash_get(src->tailored, &key);
-
- if(src->parsedToken.strength != UCOL_TOK_RESET) {
- if(lastToken == NULL) { /* this means that rules haven't started properly */
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,0,(int32_t)(src->end-src->source),parseError);
- DBG_FORMAT_ERROR
- return 0;
- }
- /* 6 Otherwise (when relation != reset) */
- if(sourceToken == NULL) {
- /* If sourceToken is null, create new one, */
- sourceToken = (UColToken *)uprv_malloc(sizeof(UColToken));
- /* test for NULL */
- if (sourceToken == NULL) {
- *status = U_MEMORY_ALLOCATION_ERROR;
- return 0;
- }
- sourceToken->rulesToParseHdl = &(src->source);
- sourceToken->source = src->parsedToken.charsLen << 24 | src->parsedToken.charsOffset;
-
- sourceToken->debugSource = *(src->source + src->parsedToken.charsOffset);
-
- sourceToken->prefix = src->parsedToken.prefixLen << 24 | src->parsedToken.prefixOffset;
- sourceToken->debugPrefix = *(src->source + src->parsedToken.prefixOffset);
-
- sourceToken->polarity = UCOL_TOK_POLARITY_POSITIVE; /* TODO: this should also handle reverse */
- sourceToken->next = NULL;
- sourceToken->previous = NULL;
- sourceToken->noOfCEs = 0;
- sourceToken->noOfExpCEs = 0;
- // keep the flags around so that we know about before
- sourceToken->flags = src->parsedToken.flags;
- uhash_put(src->tailored, sourceToken, sourceToken, status);
- if(U_FAILURE(*status)) {
- return 0;
- }
- } else {
- /* we could have fished out a reset here */
- if(sourceToken->strength != UCOL_TOK_RESET && lastToken != sourceToken) {
- /* otherwise remove sourceToken from where it was. */
- if(sourceToken->next != NULL) {
- if(sourceToken->next->strength > sourceToken->strength) {
- sourceToken->next->strength = sourceToken->strength;
- }
- sourceToken->next->previous = sourceToken->previous;
- } else {
- sourceToken->listHeader->last = sourceToken->previous;
- }
-
- if(sourceToken->previous != NULL) {
- sourceToken->previous->next = sourceToken->next;
- } else {
- sourceToken->listHeader->first = sourceToken->next;
- }
- sourceToken->next = NULL;
- sourceToken->previous = NULL;
- }
- }
-
- sourceToken->strength = src->parsedToken.strength;
- sourceToken->listHeader = lastToken->listHeader;
-
- /*
- 1. Find the strongest strength in each list, and set strongestP and strongestN
- accordingly in the headers.
- */
- if(lastStrength == UCOL_TOK_RESET
- || sourceToken->listHeader->first == 0) {
- /* If LAST is a reset
- insert sourceToken in the list. */
- if(sourceToken->listHeader->first == 0) {
- sourceToken->listHeader->first = sourceToken;
- sourceToken->listHeader->last = sourceToken;
- } else { /* we need to find a place for us */
- /* and we'll get in front of the same strength */
- if(sourceToken->listHeader->first->strength <= sourceToken->strength) {
- sourceToken->next = sourceToken->listHeader->first;
- sourceToken->next->previous = sourceToken;
- sourceToken->listHeader->first = sourceToken;
- sourceToken->previous = NULL;
- } else {
- lastToken = sourceToken->listHeader->first;
- while(lastToken->next != NULL && lastToken->next->strength > sourceToken->strength) {
- lastToken = lastToken->next;
- }
- if(lastToken->next != NULL) {
- lastToken->next->previous = sourceToken;
- } else {
- sourceToken->listHeader->last = sourceToken;
- }
- sourceToken->previous = lastToken;
- sourceToken->next = lastToken->next;
- lastToken->next = sourceToken;
- }
- }
- } else {
- /* Otherwise (when LAST is not a reset)
- if polarity (LAST) == polarity(relation), insert sourceToken after LAST,
- otherwise insert before.
- when inserting after or before, search to the next position with the same
- strength in that direction. (This is called postpone insertion). */
- if(sourceToken != lastToken) {
- if(lastToken->polarity == sourceToken->polarity) {
- while(lastToken->next != NULL && lastToken->next->strength > sourceToken->strength) {
- lastToken = lastToken->next;
- }
- sourceToken->previous = lastToken;
- if(lastToken->next != NULL) {
- lastToken->next->previous = sourceToken;
- } else {
- sourceToken->listHeader->last = sourceToken;
- }
-
- sourceToken->next = lastToken->next;
- lastToken->next = sourceToken;
- } else {
- while(lastToken->previous != NULL && lastToken->previous->strength > sourceToken->strength) {
- lastToken = lastToken->previous;
- }
- sourceToken->next = lastToken;
- if(lastToken->previous != NULL) {
- lastToken->previous->next = sourceToken;
- } else {
- sourceToken->listHeader->first = sourceToken;
- }
- sourceToken->previous = lastToken->previous;
- lastToken->previous = sourceToken;
- }
- } else { /* repeated one thing twice in rules, stay with the stronger strength */
- if(lastStrength < sourceToken->strength) {
- sourceToken->strength = lastStrength;
- }
- }
- }
-
- /* if the token was a variable top, we're gonna put it in */
- if(variableTop == TRUE && src->varTop == NULL) {
- variableTop = FALSE;
- src->varTop = sourceToken;
- }
-
- // Treat the expansions.
- // There are two types of expansions: explicit (x / y) and reset based propagating expansions
- // (&abc * d * e <=> &ab * d / c * e / c)
- // if both of them are in effect for a token, they are combined.
-
- sourceToken->expansion = src->parsedToken.extensionLen << 24 | src->parsedToken.extensionOffset;
-
- if(expandNext != 0) {
- if(sourceToken->strength == UCOL_PRIMARY) { /* primary strength kills off the implicit expansion */
- expandNext = 0;
- } else if(sourceToken->expansion == 0) { /* if there is no expansion, implicit is just added to the token */
- sourceToken->expansion = expandNext;
- } else { /* there is both explicit and implicit expansion. We need to make a combination */
- uprv_memcpy(src->extraCurrent, src->source + (expandNext & 0xFFFFFF), (expandNext >> 24)*sizeof(UChar));
- uprv_memcpy(src->extraCurrent+(expandNext >> 24), src->source + src->parsedToken.extensionOffset, src->parsedToken.extensionLen*sizeof(UChar));
- sourceToken->expansion = (uint32_t)(((expandNext >> 24) + src->parsedToken.extensionLen)<<24 | (uint32_t)(src->extraCurrent - src->source));
- src->extraCurrent += (expandNext >> 24) + src->parsedToken.extensionLen;
- }
- }
-
- // This is just for debugging purposes
- if(sourceToken->expansion != 0) {
- sourceToken->debugExpansion = *(src->source + src->parsedToken.extensionOffset);
- } else {
- sourceToken->debugExpansion = 0;
- }
- // if the previous token was a reset before, the strength of this
- // token must match the strength of before. Otherwise we have an
- // undefined situation.
- // In other words, we currently have a cludge which we use to
- // represent &a >> x. This is written as &[before 2]a << x.
- if((lastToken->flags & UCOL_TOK_BEFORE) != 0) {
- uint8_t beforeStrength = (lastToken->flags & UCOL_TOK_BEFORE) - 1;
- if(beforeStrength != sourceToken->strength) {
- *status = U_INVALID_FORMAT_ERROR;
- syntaxError(src->source,0,(int32_t)(src->end-src->source),parseError);
- DBG_FORMAT_ERROR
- return 0;
- }
- }
- } else {
- if(lastToken != NULL && lastStrength == UCOL_TOK_RESET) {
- /* if the previous token was also a reset, */
- /*this means that we have two consecutive resets */
- /* and we want to remove the previous one if empty*/
- if(src->resultLen > 0 && ListList[src->resultLen-1].first == NULL) {
- src->resultLen--;
- }
- }
-
- if(sourceToken == NULL) { /* this is a reset, but it might still be somewhere in the tailoring, in shorter form */
- uint32_t searchCharsLen = src->parsedToken.charsLen;
- while(searchCharsLen > 1 && sourceToken == NULL) {
- searchCharsLen--;
- //key = searchCharsLen << 24 | charsOffset;
- UColToken key;
- key.source = searchCharsLen << 24 | src->parsedToken.charsOffset;
- key.rulesToParseHdl = &(src->source);
- sourceToken = (UColToken *)uhash_get(src->tailored, &key);
- }
- if(sourceToken != NULL) {
- expandNext = (src->parsedToken.charsLen - searchCharsLen) << 24 | (src->parsedToken.charsOffset + searchCharsLen);
- }
- }
-
- if((specs & UCOL_TOK_BEFORE) != 0) { /* we're doing before */
- if(top == FALSE) { /* there is no indirection */
- uint8_t strength = (specs & UCOL_TOK_BEFORE) - 1;
- if(sourceToken != NULL && sourceToken->strength != UCOL_TOK_RESET) {
- /* this is a before that is already ordered in the UCA - so we need to get the previous with good strength */
- while(sourceToken->strength > strength && sourceToken->previous != NULL) {
- sourceToken = sourceToken->previous;
- }
- /* here, either we hit the strength or NULL */
- if(sourceToken->strength == strength) {
- if(sourceToken->previous != NULL) {
- sourceToken = sourceToken->previous;
- } else { /* start of list */
- sourceToken = sourceToken->listHeader->reset;
- }
- } else { /* we hit NULL */
- /* we should be doing the else part */
- sourceToken = sourceToken->listHeader->reset;
- sourceToken = getVirginBefore(src, sourceToken, strength, parseError, status);
- }
- } else {
- sourceToken = getVirginBefore(src, sourceToken, strength, parseError, status);
- }
- } else { /* this is both before and indirection */
- top = FALSE;
- ListList[src->resultLen].previousCE = 0;
- ListList[src->resultLen].previousContCE = 0;
- ListList[src->resultLen].indirect = TRUE;
- /* we need to do slightly more work. we need to get the baseCE using the */
- /* inverse UCA & getPrevious. The next bound is not set, and will be decided */
- /* in ucol_bld */
- uint8_t strength = (specs & UCOL_TOK_BEFORE) - 1;
- uint32_t baseCE = ucolIndirectBoundaries[src->parsedToken.indirectIndex].startCE;
- uint32_t baseContCE = ucolIndirectBoundaries[src->parsedToken.indirectIndex].startContCE;//&0xFFFFFF3F;
- uint32_t CE = UCOL_NOT_FOUND, SecondCE = UCOL_NOT_FOUND;
-
- UCAConstants *consts = (UCAConstants *)((uint8_t *)src->UCA->image + src->UCA->image->UCAConsts);
- if((baseCE & 0xFF000000) >= (consts->UCA_PRIMARY_IMPLICIT_MIN<<24) &&
- (baseCE & 0xFF000000) <= (consts->UCA_PRIMARY_IMPLICIT_MAX<<24) ) { /* implicits - */
- uint32_t primary = (baseCE & UCOL_PRIMARYMASK) | ((baseContCE & UCOL_PRIMARYMASK) >> 16);
- uint32_t raw = uprv_uca_getRawFromImplicit(primary);
- uint32_t primaryCE = uprv_uca_getImplicitFromRaw(raw-1);
- CE = (primaryCE & UCOL_PRIMARYMASK) | 0x0505;
- SecondCE = ((primaryCE << 16) & UCOL_PRIMARYMASK) | UCOL_CONTINUATION_MARKER;
- } else {
- /*int32_t invPos = ucol_inv_getPrevCE(baseCE, baseContCE, &CE, &SecondCE, strength);*/
- ucol_inv_getPrevCE(src, baseCE, baseContCE, &CE, &SecondCE, strength);
- }
-
- ListList[src->resultLen].baseCE = CE;
- ListList[src->resultLen].baseContCE = SecondCE;
- ListList[src->resultLen].nextCE = 0;
- ListList[src->resultLen].nextContCE = 0;
-
- sourceToken = ucol_tok_initAReset(src, 0, &expandNext, parseError, status);
- }
- }
-
-
- /* 5 If the relation is a reset:
- If sourceToken is null
- Create new list, create new sourceToken, make the baseCE from source, put
- the sourceToken in ListHeader of the new list */
- if(sourceToken == NULL) {
- /*
- 3 Consider each item: relation, source, and expansion: e.g. ...< x / y ...
- First convert all expansions into normal form. Examples:
- If "xy" doesn't occur earlier in the list or in the UCA, convert &xy * c *
- d * ... into &x * c/y * d * ...
- Note: reset values can never have expansions, although they can cause the
- very next item to have one. They may be contractions, if they are found
- earlier in the list.
- */
- if(top == FALSE) {
- collIterate s;
- uint32_t CE = UCOL_NOT_FOUND, SecondCE = UCOL_NOT_FOUND;
-
- uprv_init_collIterate(src->UCA, src->source+src->parsedToken.charsOffset, src->parsedToken.charsLen, &s, status);
-
- CE = ucol_getNextCE(src->UCA, &s, status);
- const UChar *expand = s.pos;
- SecondCE = ucol_getNextCE(src->UCA, &s, status);
-
- ListList[src->resultLen].baseCE = CE & 0xFFFFFF3F;
- if(isContinuation(SecondCE)) {
- ListList[src->resultLen].baseContCE = SecondCE;
- } else {
- ListList[src->resultLen].baseContCE = 0;
- }
- ListList[src->resultLen].nextCE = 0;
- ListList[src->resultLen].nextContCE = 0;
- ListList[src->resultLen].previousCE = 0;
- ListList[src->resultLen].previousContCE = 0;
- ListList[src->resultLen].indirect = FALSE;
- sourceToken = ucol_tok_initAReset(src, expand, &expandNext, parseError, status);
- } else { /* top == TRUE */
- /* just use the supplied values */
- top = FALSE;
- ListList[src->resultLen].previousCE = 0;
- ListList[src->resultLen].previousContCE = 0;
- ListList[src->resultLen].indirect = TRUE;
- ListList[src->resultLen].baseCE = ucolIndirectBoundaries[src->parsedToken.indirectIndex].startCE;
- ListList[src->resultLen].baseContCE = ucolIndirectBoundaries[src->parsedToken.indirectIndex].startContCE;
- ListList[src->resultLen].nextCE = ucolIndirectBoundaries[src->parsedToken.indirectIndex].limitCE;
- ListList[src->resultLen].nextContCE = ucolIndirectBoundaries[src->parsedToken.indirectIndex].limitContCE;
-
- sourceToken = ucol_tok_initAReset(src, 0, &expandNext, parseError, status);
-
- }
- } else { /* reset to something already in rules */
- top = FALSE;
- }
- }
- /* 7 After all this, set LAST to point to sourceToken, and goto step 3. */
- lastToken = sourceToken;
- } else {
- if(U_FAILURE(*status)) {
- return 0;
- }
- }
- }
-#ifdef DEBUG_FOR_CODE_POINTS
- fclose(dfcp_fp);
-#endif
-
-
- if(src->resultLen > 0 && ListList[src->resultLen-1].first == NULL) {
- src->resultLen--;
- }
- return src->resultLen;
-}
-
-const UChar* ucol_tok_getRulesFromBundle(
- void* /*context*/,
- const char* locale,
- const char* type,
- int32_t* pLength,
- UErrorCode* status)
-{
- const UChar* rules = NULL;
- UResourceBundle* bundle;
- UResourceBundle* collations;
- UResourceBundle* collation;
-
- *pLength = 0;
-
- bundle = ures_open(U_ICUDATA_COLL, locale, status);
- if(U_SUCCESS(*status)){
- collations = ures_getByKey(bundle, "collations", NULL, status);
- if(U_SUCCESS(*status)){
- collation = ures_getByKey(collations, type, NULL, status);
- if(U_SUCCESS(*status)){
- rules = ures_getStringByKey(collation, "Sequence", pLength, status);
- if(U_FAILURE(*status)){
- *pLength = 0;
- rules = NULL;
- }
- ures_close(collation);
- }
- ures_close(collations);
- }
- }
-
- ures_close(bundle);
-
- return rules;
-}
-
-void ucol_tok_initTokenList(
- UColTokenParser *src,
- const UChar *rules,
- uint32_t rulesLength,
- const UCollator *UCA,
- GetCollationRulesFunction importFunc,
- void* context,
- UErrorCode *status) {
- U_NAMESPACE_USE
-
- uint32_t nSize = 0;
- uint32_t estimatedSize = (2*rulesLength+UCOL_TOK_EXTRA_RULE_SPACE_SIZE);
-
- bool needToDeallocRules = false;
-
- if(U_FAILURE(*status)) {
- return;
- }
-
- // set everything to zero, so that we can clean up gracefully
- uprv_memset(src, 0, sizeof(UColTokenParser));
-
- // first we need to find options that don't like to be normalized,
- // like copy and remove...
- //const UChar *openBrace = rules;
- int32_t optionNumber = -1;
- const UChar *setStart = NULL;
- uint32_t i = 0;
- while(i < rulesLength) {
- if(rules[i] == 0x005B) { // '[': start of an option
- /* Gets the following:
- optionNumber: The index of the option.
- setStart: The pointer at which the option arguments start.
- */
- optionNumber = ucol_uprv_tok_readOption(rules+i+1, rules+rulesLength, &setStart);
-
- if(optionNumber == OPTION_OPTIMIZE) { /* copy - parts of UCA to tailoring */
- // [optimize]
- USet *newSet = ucol_uprv_tok_readAndSetUnicodeSet(setStart, rules+rulesLength, status);
- if(U_SUCCESS(*status)) {
- if(src->copySet == NULL) {
- src->copySet = newSet;
- } else {
- uset_addAll(src->copySet, newSet);
- uset_close(newSet);
- }
- } else {
- return;
- }
- } else if(optionNumber == OPTION_SUPPRESS_CONTRACTIONS) {
- USet *newSet = ucol_uprv_tok_readAndSetUnicodeSet(setStart, rules+rulesLength, status);
- if(U_SUCCESS(*status)) {
- if(src->removeSet == NULL) {
- src->removeSet = newSet;
- } else {
- uset_addAll(src->removeSet, newSet);
- uset_close(newSet);
- }
- } else {
- return;
- }
- } else if(optionNumber == OPTION_IMPORT){
- // [import <collation-name>]
-
- // Find the address of the closing ].
- UChar* import_end = u_strchr(setStart, 0x005D);
- int32_t optionEndOffset = (int32_t)(import_end + 1 - rules);
- // Ignore trailing whitespace.
- while(PatternProps::isWhiteSpace(*(import_end-1))) {
- --import_end;
- }
-
- int32_t optionLength = (int32_t)(import_end - setStart);
- char option[50];
- if(optionLength >= (int32_t)sizeof(option)) {
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- return;
- }
- u_UCharsToChars(setStart, option, optionLength);
- option[optionLength] = 0;
-
- *status = U_ZERO_ERROR;
- char locale[50];
- int32_t templ;
- uloc_forLanguageTag(option, locale, (int32_t)sizeof(locale), &templ, status);
- if(U_FAILURE(*status)) {
- *status = U_ILLEGAL_ARGUMENT_ERROR;
- return;
- }
-
- char type[50];
- if (uloc_getKeywordValue(locale, "collation", type, (int32_t)sizeof(type), status) <= 0 ||
- U_FAILURE(*status)
- ) {
- *status = U_ZERO_ERROR;
- uprv_strcpy(type, "standard");
- }
-
- // TODO: Use public functions when available, see ticket #8134.
- char *keywords = (char *)locale_getKeywordsStart(locale);
- if(keywords != NULL) {
- *keywords = 0;
- }
-
- int32_t importRulesLength = 0;
- const UChar* importRules = importFunc(context, locale, type, &importRulesLength, status);
-
-#ifdef DEBUG_FOR_COLL_RULES
- std::string s;
- UnicodeString(importRules).toUTF8String(s);
- std::cout << "Import rules = " << s << std::endl;
-#endif
-
- // Add the length of the imported rules to length of the original rules,
- // and subtract the length of the import option.
- uint32_t newRulesLength = rulesLength + importRulesLength - (optionEndOffset - i);
-
- UChar* newRules = (UChar*)uprv_malloc(newRulesLength*sizeof(UChar));
-
-#ifdef DEBUG_FOR_COLL_RULES
- std::string s1;
- UnicodeString(rules).toUTF8String(s1);
- std::cout << "Original rules = " << s1 << std::endl;
-#endif
-
-
- // Copy the section of the original rules leading up to the import
- uprv_memcpy(newRules, rules, i*sizeof(UChar));
- // Copy the imported rules
- uprv_memcpy(newRules+i, importRules, importRulesLength*sizeof(UChar));
- // Copy the rest of the original rules (minus the import option itself)
- uprv_memcpy(newRules+i+importRulesLength,
- rules+optionEndOffset,
- (rulesLength-optionEndOffset)*sizeof(UChar));
-
-#ifdef DEBUG_FOR_COLL_RULES
- std::string s2;
- UnicodeString(newRules).toUTF8String(s2);
- std::cout << "Resulting rules = " << s2 << std::endl;
-#endif
-
- if(needToDeallocRules){
- // if needToDeallocRules is set, then we allocated rules, so it's safe to cast and free
- uprv_free((void*)rules);
- }
- needToDeallocRules = true;
- rules = newRules;
- rulesLength = newRulesLength;
-
- estimatedSize += importRulesLength*2;
-
- // First character of the new rules needs to be processed
- i--;
- }
- }
- //openBrace++;
- i++;
- }
-
- src->source = (UChar *)uprv_malloc(estimatedSize*sizeof(UChar));
- /* test for NULL */
- if (src->source == NULL) {
- *status = U_MEMORY_ALLOCATION_ERROR;
- return;
- }
- uprv_memset(src->source, 0, estimatedSize*sizeof(UChar));
- nSize = unorm_normalize(rules, rulesLength, UNORM_NFD, 0, src->source, estimatedSize, status);
- if(nSize > estimatedSize || *status == U_BUFFER_OVERFLOW_ERROR) {
- *status = U_ZERO_ERROR;
- src->source = (UChar *)uprv_realloc(src->source, (nSize+UCOL_TOK_EXTRA_RULE_SPACE_SIZE)*sizeof(UChar));
- /* test for NULL */
- if (src->source == NULL) {
- *status = U_MEMORY_ALLOCATION_ERROR;
- return;
- }
- nSize = unorm_normalize(rules, rulesLength, UNORM_NFD, 0, src->source, nSize+UCOL_TOK_EXTRA_RULE_SPACE_SIZE, status);
- }
- if(needToDeallocRules){
- // if needToDeallocRules is set, then we allocated rules, so it's safe to cast and free
- uprv_free((void*)rules);
- }
-
-
- src->current = src->source;
- src->end = src->source+nSize;
- src->sourceCurrent = src->source;
- src->extraCurrent = src->end+1; // Preserve terminating zero in the rule string so that option scanning works correctly
- src->extraEnd = src->source+estimatedSize; //src->end+UCOL_TOK_EXTRA_RULE_SPACE_SIZE;
- src->varTop = NULL;
- src->UCA = UCA;
- src->invUCA = ucol_initInverseUCA(status);
- src->parsedToken.charsLen = 0;
- src->parsedToken.charsOffset = 0;
- src->parsedToken.extensionLen = 0;
- src->parsedToken.extensionOffset = 0;
- src->parsedToken.prefixLen = 0;
- src->parsedToken.prefixOffset = 0;
- src->parsedToken.flags = 0;
- src->parsedToken.strength = UCOL_TOK_UNSET;
- src->buildCCTabFlag = FALSE;
- src->isStarred = FALSE;
- src->inRange = FALSE;
- src->lastRangeCp = 0;
- src->previousCp = 0;
-
- if(U_FAILURE(*status)) {
- return;
- }
- src->tailored = uhash_open(uhash_hashTokens, uhash_compareTokens, NULL, status);
- if(U_FAILURE(*status)) {
- return;
- }
- uhash_setValueDeleter(src->tailored, uprv_free);
-
- src->opts = (UColOptionSet *)uprv_malloc(sizeof(UColOptionSet));
- /* test for NULL */
- if (src->opts == NULL) {
- *status = U_MEMORY_ALLOCATION_ERROR;
- return;
- }
-
- uprv_memcpy(src->opts, UCA->options, sizeof(UColOptionSet));
-
- src->lh = 0;
- src->listCapacity = 1024;
- src->lh = (UColTokListHeader *)uprv_malloc(src->listCapacity*sizeof(UColTokListHeader));
- //Test for NULL
- if (src->lh == NULL) {
- *status = U_MEMORY_ALLOCATION_ERROR;
- return;
- }
- uprv_memset(src->lh, 0, src->listCapacity*sizeof(UColTokListHeader));
- src->resultLen = 0;
-
- UCAConstants *consts = (UCAConstants *)((uint8_t *)src->UCA->image + src->UCA->image->UCAConsts);
-
- // UCOL_RESET_TOP_VALUE
- setIndirectBoundaries(0, consts->UCA_LAST_NON_VARIABLE, consts->UCA_FIRST_IMPLICIT);
- // UCOL_FIRST_PRIMARY_IGNORABLE
- setIndirectBoundaries(1, consts->UCA_FIRST_PRIMARY_IGNORABLE, 0);
- // UCOL_LAST_PRIMARY_IGNORABLE
- setIndirectBoundaries(2, consts->UCA_LAST_PRIMARY_IGNORABLE, 0);
- // UCOL_FIRST_SECONDARY_IGNORABLE
- setIndirectBoundaries(3, consts->UCA_FIRST_SECONDARY_IGNORABLE, 0);
- // UCOL_LAST_SECONDARY_IGNORABLE
- setIndirectBoundaries(4, consts->UCA_LAST_SECONDARY_IGNORABLE, 0);
- // UCOL_FIRST_TERTIARY_IGNORABLE
- setIndirectBoundaries(5, consts->UCA_FIRST_TERTIARY_IGNORABLE, 0);
- // UCOL_LAST_TERTIARY_IGNORABLE
- setIndirectBoundaries(6, consts->UCA_LAST_TERTIARY_IGNORABLE, 0);
- // UCOL_FIRST_VARIABLE
- setIndirectBoundaries(7, consts->UCA_FIRST_VARIABLE, 0);
- // UCOL_LAST_VARIABLE
- setIndirectBoundaries(8, consts->UCA_LAST_VARIABLE, 0);
- // UCOL_FIRST_NON_VARIABLE
- setIndirectBoundaries(9, consts->UCA_FIRST_NON_VARIABLE, 0);
- // UCOL_LAST_NON_VARIABLE
- setIndirectBoundaries(10, consts->UCA_LAST_NON_VARIABLE, consts->UCA_FIRST_IMPLICIT);
- // UCOL_FIRST_IMPLICIT
- setIndirectBoundaries(11, consts->UCA_FIRST_IMPLICIT, 0);
- // UCOL_LAST_IMPLICIT
- setIndirectBoundaries(12, consts->UCA_LAST_IMPLICIT, consts->UCA_FIRST_TRAILING);
- // UCOL_FIRST_TRAILING
- setIndirectBoundaries(13, consts->UCA_FIRST_TRAILING, 0);
- // UCOL_LAST_TRAILING
- setIndirectBoundaries(14, consts->UCA_LAST_TRAILING, 0);
- ucolIndirectBoundaries[14].limitCE = (consts->UCA_PRIMARY_SPECIAL_MIN<<24);
-}
-
-
-void ucol_tok_closeTokenList(UColTokenParser *src) {
- if(src->copySet != NULL) {
- uset_close(src->copySet);
- }
- if(src->removeSet != NULL) {
- uset_close(src->removeSet);
- }
- if(src->tailored != NULL) {
- uhash_close(src->tailored);
- }
- if(src->lh != NULL) {
- uprv_free(src->lh);
- }
- if(src->source != NULL) {
- uprv_free(src->source);
- }
- if(src->opts != NULL) {
- uprv_free(src->opts);
- }
- if (src->reorderCodes != NULL) {
- uprv_free(src->reorderCodes);
- }
-}
-
-#endif /* #if !UCONFIG_NO_COLLATION */
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