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Unified Diff: icu46/source/i18n/uspoof_conf.cpp

Issue 5516007: Check in the pristine copy of ICU 4.6... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 10 years ago
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Index: icu46/source/i18n/uspoof_conf.cpp
===================================================================
--- icu46/source/i18n/uspoof_conf.cpp (revision 0)
+++ icu46/source/i18n/uspoof_conf.cpp (revision 0)
@@ -0,0 +1,600 @@
+/*
+******************************************************************************
+*
+* Copyright (C) 2008-2010, International Business Machines
+* Corporation and others. All Rights Reserved.
+*
+******************************************************************************
+* file name: uspoof_conf.cpp
+* encoding: US-ASCII
+* tab size: 8 (not used)
+* indentation:4
+*
+* created on: 2009Jan05 (refactoring earlier files)
+* created by: Andy Heninger
+*
+* Internal classes for compililing confusable data into its binary (runtime) form.
+*/
+
+#include "unicode/utypes.h"
+#include "unicode/uspoof.h"
+#if !UCONFIG_NO_REGULAR_EXPRESSIONS
+#if !UCONFIG_NO_NORMALIZATION
+
+#include "unicode/unorm.h"
+#include "unicode/uregex.h"
+#include "unicode/ustring.h"
+#include "cmemory.h"
+#include "uspoof_impl.h"
+#include "uhash.h"
+#include "uvector.h"
+#include "uassert.h"
+#include "uarrsort.h"
+#include "uspoof_conf.h"
+
+U_NAMESPACE_USE
+
+
+//---------------------------------------------------------------------
+//
+// buildConfusableData Compile the source confusable data, as defined by
+// the Unicode data file confusables.txt, into the binary
+// structures used by the confusable detector.
+//
+// The binary structures are described in uspoof_impl.h
+//
+// 1. parse the data, building 4 hash tables, one each for the SL, SA, ML and MA
+// tables. Each maps from a UChar32 to a String.
+//
+// 2. Sort all of the strings encountered by length, since they will need to
+// be stored in that order in the final string table.
+//
+// 3. Build a list of keys (UChar32s) from the four mapping tables. Sort the
+// list because that will be the ordering of our runtime table.
+//
+// 4. Generate the run time string table. This is generated before the key & value
+// tables because we need the string indexes when building those tables.
+//
+// 5. Build the run-time key and value tables. These are parallel tables, and are built
+// at the same time
+//
+
+SPUString::SPUString(UnicodeString *s) {
+ fStr = s;
+ fStrTableIndex = 0;
+}
+
+
+SPUString::~SPUString() {
+ delete fStr;
+}
+
+
+SPUStringPool::SPUStringPool(UErrorCode &status) : fVec(NULL), fHash(NULL) {
+ fVec = new UVector(status);
+ fHash = uhash_open(uhash_hashUnicodeString, // key hash function
+ uhash_compareUnicodeString, // Key Comparator
+ NULL, // Value Comparator
+ &status);
+}
+
+
+SPUStringPool::~SPUStringPool() {
+ int i;
+ for (i=fVec->size()-1; i>=0; i--) {
+ SPUString *s = static_cast<SPUString *>(fVec->elementAt(i));
+ delete s;
+ }
+ delete fVec;
+ uhash_close(fHash);
+}
+
+
+int32_t SPUStringPool::size() {
+ return fVec->size();
+}
+
+SPUString *SPUStringPool::getByIndex(int32_t index) {
+ SPUString *retString = (SPUString *)fVec->elementAt(index);
+ return retString;
+}
+
+
+// Comparison function for ordering strings in the string pool.
+// Compare by length first, then, within a group of the same length,
+// by code point order.
+// Conforms to the type signature for a USortComparator in uvector.h
+
+static int8_t U_CALLCONV SPUStringCompare(UHashTok left, UHashTok right) {
+ const SPUString *sL = const_cast<const SPUString *>(
+ static_cast<SPUString *>(left.pointer));
+ const SPUString *sR = const_cast<const SPUString *>(
+ static_cast<SPUString *>(right.pointer));
+ int32_t lenL = sL->fStr->length();
+ int32_t lenR = sR->fStr->length();
+ if (lenL < lenR) {
+ return -1;
+ } else if (lenL > lenR) {
+ return 1;
+ } else {
+ return sL->fStr->compare(*(sR->fStr));
+ }
+}
+
+void SPUStringPool::sort(UErrorCode &status) {
+ fVec->sort(SPUStringCompare, status);
+}
+
+
+SPUString *SPUStringPool::addString(UnicodeString *src, UErrorCode &status) {
+ SPUString *hashedString = static_cast<SPUString *>(uhash_get(fHash, src));
+ if (hashedString != NULL) {
+ delete src;
+ } else {
+ hashedString = new SPUString(src);
+ uhash_put(fHash, src, hashedString, &status);
+ fVec->addElement(hashedString, status);
+ }
+ return hashedString;
+}
+
+
+
+ConfusabledataBuilder::ConfusabledataBuilder(SpoofImpl *spImpl, UErrorCode &status) :
+ fSpoofImpl(spImpl),
+ fInput(NULL),
+ fSLTable(NULL),
+ fSATable(NULL),
+ fMLTable(NULL),
+ fMATable(NULL),
+ fKeySet(NULL),
+ fKeyVec(NULL),
+ fValueVec(NULL),
+ fStringTable(NULL),
+ fStringLengthsTable(NULL),
+ stringPool(NULL),
+ fParseLine(NULL),
+ fParseHexNum(NULL),
+ fLineNum(0)
+{
+ if (U_FAILURE(status)) {
+ return;
+ }
+ fSLTable = uhash_open(uhash_hashLong, uhash_compareLong, NULL, &status);
+ fSATable = uhash_open(uhash_hashLong, uhash_compareLong, NULL, &status);
+ fMLTable = uhash_open(uhash_hashLong, uhash_compareLong, NULL, &status);
+ fMATable = uhash_open(uhash_hashLong, uhash_compareLong, NULL, &status);
+ fKeySet = new UnicodeSet();
+ fKeyVec = new UVector(status);
+ fValueVec = new UVector(status);
+ stringPool = new SPUStringPool(status);
+}
+
+
+ConfusabledataBuilder::~ConfusabledataBuilder() {
+ uprv_free(fInput);
+ uregex_close(fParseLine);
+ uregex_close(fParseHexNum);
+ uhash_close(fSLTable);
+ uhash_close(fSATable);
+ uhash_close(fMLTable);
+ uhash_close(fMATable);
+ delete fKeySet;
+ delete fKeyVec;
+ delete fStringTable;
+ delete fStringLengthsTable;
+ delete fValueVec;
+ delete stringPool;
+}
+
+
+void ConfusabledataBuilder::buildConfusableData(SpoofImpl * spImpl, const char * confusables,
+ int32_t confusablesLen, int32_t *errorType, UParseError *pe, UErrorCode &status) {
+
+ if (U_FAILURE(status)) {
+ return;
+ }
+ ConfusabledataBuilder builder(spImpl, status);
+ builder.build(confusables, confusablesLen, status);
+ if (U_FAILURE(status) && errorType != NULL) {
+ *errorType = USPOOF_SINGLE_SCRIPT_CONFUSABLE;
+ pe->line = builder.fLineNum;
+ }
+}
+
+
+void ConfusabledataBuilder::build(const char * confusables, int32_t confusablesLen,
+ UErrorCode &status) {
+
+ // Convert the user input data from UTF-8 to UChar (UTF-16)
+ int32_t inputLen = 0;
+ if (U_FAILURE(status)) {
+ return;
+ }
+ u_strFromUTF8(NULL, 0, &inputLen, confusables, confusablesLen, &status);
+ if (status != U_BUFFER_OVERFLOW_ERROR) {
+ return;
+ }
+ status = U_ZERO_ERROR;
+ fInput = static_cast<UChar *>(uprv_malloc((inputLen+1) * sizeof(UChar)));
+ if (fInput == NULL) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ }
+ u_strFromUTF8(fInput, inputLen+1, NULL, confusables, confusablesLen, &status);
+
+
+ // Regular Expression to parse a line from Confusables.txt. The expression will match
+ // any line. What was matched is determined by examining which capture groups have a match.
+ // Capture Group 1: the source char
+ // Capture Group 2: the replacement chars
+ // Capture Group 3-6 the table type, SL, SA, ML, or MA
+ // Capture Group 7: A blank or comment only line.
+ // Capture Group 8: A syntactically invalid line. Anything that didn't match before.
+ // Example Line from the confusables.txt source file:
+ // "1D702 ; 006E 0329 ; SL # MATHEMATICAL ITALIC SMALL ETA ... "
+ fParseLine = uregex_openC(
+ "(?m)^[ \\t]*([0-9A-Fa-f]+)[ \\t]+;" // Match the source char
+ "[ \\t]*([0-9A-Fa-f]+" // Match the replacement char(s)
+ "(?:[ \\t]+[0-9A-Fa-f]+)*)[ \\t]*;" // (continued)
+ "\\s*(?:(SL)|(SA)|(ML)|(MA))" // Match the table type
+ "[ \\t]*(?:#.*?)?$" // Match any trailing #comment
+ "|^([ \\t]*(?:#.*?)?)$" // OR match empty lines or lines with only a #comment
+ "|^(.*?)$", // OR match any line, which catches illegal lines.
+ 0, NULL, &status);
+
+ // Regular expression for parsing a hex number out of a space-separated list of them.
+ // Capture group 1 gets the number, with spaces removed.
+ fParseHexNum = uregex_openC("\\s*([0-9A-F]+)", 0, NULL, &status);
+
+ // Zap any Byte Order Mark at the start of input. Changing it to a space is benign
+ // given the syntax of the input.
+ if (*fInput == 0xfeff) {
+ *fInput = 0x20;
+ }
+
+ // Parse the input, one line per iteration of this loop.
+ uregex_setText(fParseLine, fInput, inputLen, &status);
+ while (uregex_findNext(fParseLine, &status)) {
+ fLineNum++;
+ if (uregex_start(fParseLine, 7, &status) >= 0) {
+ // this was a blank or comment line.
+ continue;
+ }
+ if (uregex_start(fParseLine, 8, &status) >= 0) {
+ // input file syntax error.
+ status = U_PARSE_ERROR;
+ return;
+ }
+
+ // We have a good input line. Extract the key character and mapping string, and
+ // put them into the appropriate mapping table.
+ UChar32 keyChar = SpoofImpl::ScanHex(fInput, uregex_start(fParseLine, 1, &status),
+ uregex_end(fParseLine, 1, &status), status);
+
+ int32_t mapStringStart = uregex_start(fParseLine, 2, &status);
+ int32_t mapStringLength = uregex_end(fParseLine, 2, &status) - mapStringStart;
+ uregex_setText(fParseHexNum, &fInput[mapStringStart], mapStringLength, &status);
+
+ UnicodeString *mapString = new UnicodeString();
+ if (mapString == NULL) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+ while (uregex_findNext(fParseHexNum, &status)) {
+ UChar32 c = SpoofImpl::ScanHex(&fInput[mapStringStart], uregex_start(fParseHexNum, 1, &status),
+ uregex_end(fParseHexNum, 1, &status), status);
+ mapString->append(c);
+ }
+ U_ASSERT(mapString->length() >= 1);
+
+ // Put the map (value) string into the string pool
+ // This a little like a Java intern() - any duplicates will be eliminated.
+ SPUString *smapString = stringPool->addString(mapString, status);
+
+ // Add the UChar32 -> string mapping to the appropriate table.
+ UHashtable *table = uregex_start(fParseLine, 3, &status) >= 0 ? fSLTable :
+ uregex_start(fParseLine, 4, &status) >= 0 ? fSATable :
+ uregex_start(fParseLine, 5, &status) >= 0 ? fMLTable :
+ uregex_start(fParseLine, 6, &status) >= 0 ? fMATable :
+ NULL;
+ U_ASSERT(table != NULL);
+ uhash_iput(table, keyChar, smapString, &status);
+ fKeySet->add(keyChar);
+ if (U_FAILURE(status)) {
+ return;
+ }
+ }
+
+ // Input data is now all parsed and collected.
+ // Now create the run-time binary form of the data.
+ //
+ // This is done in two steps. First the data is assembled into vectors and strings,
+ // for ease of construction, then the contents of these collections are dumped
+ // into the actual raw-bytes data storage.
+
+ // Build up the string array, and record the index of each string therein
+ // in the (build time only) string pool.
+ // Strings of length one are not entered into the strings array.
+ // At the same time, build up the string lengths table, which records the
+ // position in the string table of the first string of each length >= 4.
+ // (Strings in the table are sorted by length)
+ stringPool->sort(status);
+ fStringTable = new UnicodeString();
+ fStringLengthsTable = new UVector(status);
+ int32_t previousStringLength = 0;
+ int32_t previousStringIndex = 0;
+ int32_t poolSize = stringPool->size();
+ int32_t i;
+ for (i=0; i<poolSize; i++) {
+ SPUString *s = stringPool->getByIndex(i);
+ int32_t strLen = s->fStr->length();
+ int32_t strIndex = fStringTable->length();
+ U_ASSERT(strLen >= previousStringLength);
+ if (strLen == 1) {
+ // strings of length one do not get an entry in the string table.
+ // Keep the single string character itself here, which is the same
+ // convention that is used in the final run-time string table index.
+ s->fStrTableIndex = s->fStr->charAt(0);
+ } else {
+ if ((strLen > previousStringLength) && (previousStringLength >= 4)) {
+ fStringLengthsTable->addElement(previousStringIndex, status);
+ fStringLengthsTable->addElement(previousStringLength, status);
+ }
+ s->fStrTableIndex = strIndex;
+ fStringTable->append(*(s->fStr));
+ }
+ previousStringLength = strLen;
+ previousStringIndex = strIndex;
+ }
+ // Make the final entry to the string lengths table.
+ // (it holds an entry for the _last_ string of each length, so adding the
+ // final one doesn't happen in the main loop because no longer string was encountered.)
+ if (previousStringLength >= 4) {
+ fStringLengthsTable->addElement(previousStringIndex, status);
+ fStringLengthsTable->addElement(previousStringLength, status);
+ }
+
+ // Construct the compile-time Key and Value tables
+ //
+ // For each key code point, check which mapping tables it applies to,
+ // and create the final data for the key & value structures.
+ //
+ // The four logical mapping tables are conflated into one combined table.
+ // If multiple logical tables have the same mapping for some key, they
+ // share a single entry in the combined table.
+ // If more than one mapping exists for the same key code point, multiple
+ // entries will be created in the table
+
+ for (int32_t range=0; range<fKeySet->getRangeCount(); range++) {
+ // It is an oddity of the UnicodeSet API that simply enumerating the contained
+ // code points requires a nested loop.
+ for (UChar32 keyChar=fKeySet->getRangeStart(range);
+ keyChar <= fKeySet->getRangeEnd(range); keyChar++) {
+ addKeyEntry(keyChar, fSLTable, USPOOF_SL_TABLE_FLAG, status);
+ addKeyEntry(keyChar, fSATable, USPOOF_SA_TABLE_FLAG, status);
+ addKeyEntry(keyChar, fMLTable, USPOOF_ML_TABLE_FLAG, status);
+ addKeyEntry(keyChar, fMATable, USPOOF_MA_TABLE_FLAG, status);
+ }
+ }
+
+ // Put the assembled data into the flat runtime array
+ outputData(status);
+
+ // All of the intermediate allocated data belongs to the ConfusabledataBuilder
+ // object (this), and is deleted in the destructor.
+ return;
+}
+
+//
+// outputData The confusable data has been compiled and stored in intermediate
+// collections and strings. Copy it from there to the final flat
+// binary array.
+//
+// Note that as each section is added to the output data, the
+// expand (reserveSpace() function will likely relocate it in memory.
+// Be careful with pointers.
+//
+void ConfusabledataBuilder::outputData(UErrorCode &status) {
+
+ U_ASSERT(fSpoofImpl->fSpoofData->fDataOwned == TRUE);
+
+ // The Key Table
+ // While copying the keys to the runtime array,
+ // also sanity check that they are sorted.
+
+ int32_t numKeys = fKeyVec->size();
+ int32_t *keys =
+ static_cast<int32_t *>(fSpoofImpl->fSpoofData->reserveSpace(numKeys*sizeof(int32_t), status));
+ if (U_FAILURE(status)) {
+ return;
+ }
+ int i;
+ int32_t previousKey = 0;
+ for (i=0; i<numKeys; i++) {
+ int32_t key = fKeyVec->elementAti(i);
+ U_ASSERT((key & 0x00ffffff) >= (previousKey & 0x00ffffff));
+ U_ASSERT((key & 0xff000000) != 0);
+ keys[i] = key;
+ previousKey = key;
+ }
+ SpoofDataHeader *rawData = fSpoofImpl->fSpoofData->fRawData;
+ rawData->fCFUKeys = (int32_t)((char *)keys - (char *)rawData);
+ rawData->fCFUKeysSize = numKeys;
+ fSpoofImpl->fSpoofData->fCFUKeys = keys;
+
+
+ // The Value Table, parallels the key table
+ int32_t numValues = fValueVec->size();
+ U_ASSERT(numKeys == numValues);
+ uint16_t *values =
+ static_cast<uint16_t *>(fSpoofImpl->fSpoofData->reserveSpace(numKeys*sizeof(uint16_t), status));
+ if (U_FAILURE(status)) {
+ return;
+ }
+ for (i=0; i<numValues; i++) {
+ uint32_t value = static_cast<uint32_t>(fValueVec->elementAti(i));
+ U_ASSERT(value < 0xffff);
+ values[i] = static_cast<uint16_t>(value);
+ }
+ rawData = fSpoofImpl->fSpoofData->fRawData;
+ rawData->fCFUStringIndex = (int32_t)((char *)values - (char *)rawData);
+ rawData->fCFUStringIndexSize = numValues;
+ fSpoofImpl->fSpoofData->fCFUValues = values;
+
+ // The Strings Table.
+
+ uint32_t stringsLength = fStringTable->length();
+ // Reserve an extra space so the string will be nul-terminated. This is
+ // only a convenience, for when debugging; it is not needed otherwise.
+ UChar *strings =
+ static_cast<UChar *>(fSpoofImpl->fSpoofData->reserveSpace(stringsLength*sizeof(UChar)+2, status));
+ if (U_FAILURE(status)) {
+ return;
+ }
+ fStringTable->extract(strings, stringsLength+1, status);
+ rawData = fSpoofImpl->fSpoofData->fRawData;
+ U_ASSERT(rawData->fCFUStringTable == 0);
+ rawData->fCFUStringTable = (int32_t)((char *)strings - (char *)rawData);
+ rawData->fCFUStringTableLen = stringsLength;
+ fSpoofImpl->fSpoofData->fCFUStrings = strings;
+
+ // The String Lengths Table
+ // While copying into the runtime array do some sanity checks on the values
+ // Each complete entry contains two fields, an index and an offset.
+ // Lengths should increase with each entry.
+ // Offsets should be less than the size of the string table.
+ int32_t lengthTableLength = fStringLengthsTable->size();
+ uint16_t *stringLengths =
+ static_cast<uint16_t *>(fSpoofImpl->fSpoofData->reserveSpace(lengthTableLength*sizeof(uint16_t), status));
+ if (U_FAILURE(status)) {
+ return;
+ }
+ int32_t destIndex = 0;
+ uint32_t previousLength = 0;
+ for (i=0; i<lengthTableLength; i+=2) {
+ uint32_t offset = static_cast<uint32_t>(fStringLengthsTable->elementAti(i));
+ uint32_t length = static_cast<uint32_t>(fStringLengthsTable->elementAti(i+1));
+ U_ASSERT(offset < stringsLength);
+ U_ASSERT(length < 40);
+ U_ASSERT(length > previousLength);
+ stringLengths[destIndex++] = static_cast<uint16_t>(offset);
+ stringLengths[destIndex++] = static_cast<uint16_t>(length);
+ previousLength = length;
+ }
+ rawData = fSpoofImpl->fSpoofData->fRawData;
+ rawData->fCFUStringLengths = (int32_t)((char *)stringLengths - (char *)rawData);
+ // Note: StringLengthsSize in the raw data is the number of complete entries,
+ // each consisting of a pair of 16 bit values, hence the divide by 2.
+ rawData->fCFUStringLengthsSize = lengthTableLength / 2;
+ fSpoofImpl->fSpoofData->fCFUStringLengths =
+ reinterpret_cast<SpoofStringLengthsElement *>(stringLengths);
+}
+
+
+
+// addKeyEntry Construction of the confusable Key and Mapping Values tables.
+// This is an intermediate point in the building process.
+// We already have the mappings in the hash tables fSLTable, etc.
+// This function builds corresponding run-time style table entries into
+// fKeyVec and fValueVec
+
+void ConfusabledataBuilder::addKeyEntry(
+ UChar32 keyChar, // The key character
+ UHashtable *table, // The table, one of SATable, MATable, etc.
+ int32_t tableFlag, // One of USPOOF_SA_TABLE_FLAG, etc.
+ UErrorCode &status) {
+
+ SPUString *targetMapping = static_cast<SPUString *>(uhash_iget(table, keyChar));
+ if (targetMapping == NULL) {
+ // No mapping for this key character.
+ // (This function is called for all four tables for each key char that
+ // is seen anywhere, so this no entry cases are very much expected.)
+ return;
+ }
+
+ // Check whether there is already an entry with the correct mapping.
+ // If so, simply set the flag in the keyTable saying that the existing entry
+ // applies to the table that we're doing now.
+
+ UBool keyHasMultipleValues = FALSE;
+ int32_t i;
+ for (i=fKeyVec->size()-1; i>=0 ; i--) {
+ int32_t key = fKeyVec->elementAti(i);
+ if ((key & 0x0ffffff) != keyChar) {
+ // We have now checked all existing key entries for this key char (if any)
+ // without finding one with the same mapping.
+ break;
+ }
+ UnicodeString mapping = getMapping(i);
+ if (mapping == *(targetMapping->fStr)) {
+ // The run time entry we are currently testing has the correct mapping.
+ // Set the flag in it indicating that it applies to the new table also.
+ key |= tableFlag;
+ fKeyVec->setElementAt(key, i);
+ return;
+ }
+ keyHasMultipleValues = TRUE;
+ }
+
+ // Need to add a new entry to the binary data being built for this mapping.
+ // Includes adding entries to both the key table and the parallel values table.
+
+ int32_t newKey = keyChar | tableFlag;
+ if (keyHasMultipleValues) {
+ newKey |= USPOOF_KEY_MULTIPLE_VALUES;
+ }
+ int32_t adjustedMappingLength = targetMapping->fStr->length() - 1;
+ if (adjustedMappingLength>3) {
+ adjustedMappingLength = 3;
+ }
+ newKey |= adjustedMappingLength << USPOOF_KEY_LENGTH_SHIFT;
+
+ int32_t newData = targetMapping->fStrTableIndex;
+
+ fKeyVec->addElement(newKey, status);
+ fValueVec->addElement(newData, status);
+
+ // If the preceding key entry is for the same key character (but with a different mapping)
+ // set the multiple-values flag on it.
+ if (keyHasMultipleValues) {
+ int32_t previousKeyIndex = fKeyVec->size() - 2;
+ int32_t previousKey = fKeyVec->elementAti(previousKeyIndex);
+ previousKey |= USPOOF_KEY_MULTIPLE_VALUES;
+ fKeyVec->setElementAt(previousKey, previousKeyIndex);
+ }
+}
+
+
+
+UnicodeString ConfusabledataBuilder::getMapping(int32_t index) {
+ int32_t key = fKeyVec->elementAti(index);
+ int32_t value = fValueVec->elementAti(index);
+ int32_t length = USPOOF_KEY_LENGTH_FIELD(key);
+ int32_t lastIndexWithLen;
+ switch (length) {
+ case 0:
+ return UnicodeString(static_cast<UChar>(value));
+ case 1:
+ case 2:
+ return UnicodeString(*fStringTable, value, length+1);
+ case 3:
+ length = 0;
+ int32_t i;
+ for (i=0; i<fStringLengthsTable->size(); i+=2) {
+ lastIndexWithLen = fStringLengthsTable->elementAti(i);
+ if (value <= lastIndexWithLen) {
+ length = fStringLengthsTable->elementAti(i+1);
+ break;
+ }
+ }
+ U_ASSERT(length>=3);
+ return UnicodeString(*fStringTable, value, length);
+ default:
+ U_ASSERT(FALSE);
+ }
+ return UnicodeString();
+}
+
+#endif
+#endif // !UCONFIG_NO_REGULAR_EXPRESSIONS
+
Property changes on: icu46/source/i18n/uspoof_conf.cpp
___________________________________________________________________
Added: svn:eol-style
+ LF
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