+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
-* Copyright (C) 1997-2009, International Business Machines Corporation and *
+* Copyright (C) 1997-2013, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*
#include "unicode/locid.h"
#include "cpputils.h"
#include "cstring.h"
+#include "messageimpl.h"
#include "putilimp.h"
+#include "uassert.h"
#include <stdio.h>
#include <float.h>
#define VERTICAL_BAR ((UChar)0x007C) /*|*/
#define MINUS ((UChar)0x002D) /*-*/
+static const UChar LEFT_CURLY_BRACE = 0x7B; /*{*/
+static const UChar RIGHT_CURLY_BRACE = 0x7D; /*}*/
+
#ifdef INFINITY
#undef INFINITY
#endif
#define INFINITY ((UChar)0x221E)
-static const UChar gPositiveInfinity[] = {INFINITY, 0};
-static const UChar gNegativeInfinity[] = {MINUS, INFINITY, 0};
+//static const UChar gPositiveInfinity[] = {INFINITY, 0};
+//static const UChar gNegativeInfinity[] = {MINUS, INFINITY, 0};
#define POSITIVE_INF_STRLEN 1
#define NEGATIVE_INF_STRLEN 2
ChoiceFormat::ChoiceFormat(const UnicodeString& newPattern,
UErrorCode& status)
-: fChoiceLimits(0),
- fClosures(0),
- fChoiceFormats(0),
- fCount(0)
+: constructorErrorCode(status),
+ msgPattern(status)
{
applyPattern(newPattern, status);
}
ChoiceFormat::ChoiceFormat(const double* limits,
const UnicodeString* formats,
int32_t cnt )
-: fChoiceLimits(0),
- fClosures(0),
- fChoiceFormats(0),
- fCount(0)
+: constructorErrorCode(U_ZERO_ERROR),
+ msgPattern(constructorErrorCode)
{
- setChoices(limits, formats, cnt );
+ setChoices(limits, NULL, formats, cnt, constructorErrorCode);
}
// -------------------------------------
const UBool* closures,
const UnicodeString* formats,
int32_t cnt )
-: fChoiceLimits(0),
- fClosures(0),
- fChoiceFormats(0),
- fCount(0)
+: constructorErrorCode(U_ZERO_ERROR),
+ msgPattern(constructorErrorCode)
{
- setChoices(limits, closures, formats, cnt );
+ setChoices(limits, closures, formats, cnt, constructorErrorCode);
}
// -------------------------------------
ChoiceFormat::ChoiceFormat(const ChoiceFormat& that)
: NumberFormat(that),
- fChoiceLimits(0),
- fClosures(0),
- fChoiceFormats(0)
+ constructorErrorCode(that.constructorErrorCode),
+ msgPattern(that.msgPattern)
{
- *this = that;
}
// -------------------------------------
ChoiceFormat::ChoiceFormat(const UnicodeString& newPattern,
UParseError& parseError,
UErrorCode& status)
-: fChoiceLimits(0),
- fClosures(0),
- fChoiceFormats(0),
- fCount(0)
+: constructorErrorCode(status),
+ msgPattern(status)
{
applyPattern(newPattern,parseError, status);
}
if (this == &that) return TRUE;
if (!NumberFormat::operator==(that)) return FALSE;
ChoiceFormat& thatAlias = (ChoiceFormat&)that;
- if (fCount != thatAlias.fCount) return FALSE;
- // Checks the limits, the corresponding format string and LE or LT flags.
- // LE means less than and equal to, LT means less than.
- for (int32_t i = 0; i < fCount; i++) {
- if ((fChoiceLimits[i] != thatAlias.fChoiceLimits[i]) ||
- (fClosures[i] != thatAlias.fClosures[i]) ||
- (fChoiceFormats[i] != thatAlias.fChoiceFormats[i]))
- return FALSE;
- }
- return TRUE;
+ return msgPattern == thatAlias.msgPattern;
}
// -------------------------------------
{
if (this != &that) {
NumberFormat::operator=(that);
- fCount = that.fCount;
- uprv_free(fChoiceLimits);
- fChoiceLimits = NULL;
- uprv_free(fClosures);
- fClosures = NULL;
- delete [] fChoiceFormats;
- fChoiceFormats = NULL;
-
- fChoiceLimits = (double*) uprv_malloc( sizeof(double) * fCount);
- fClosures = (UBool*) uprv_malloc( sizeof(UBool) * fCount);
- fChoiceFormats = new UnicodeString[fCount];
-
- // check for memory allocation error
- if (!fChoiceLimits || !fClosures || !fChoiceFormats) {
- if (fChoiceLimits) {
- uprv_free(fChoiceLimits);
- fChoiceLimits = NULL;
- }
- if (fClosures) {
- uprv_free(fClosures);
- fClosures = NULL;
- }
- if (fChoiceFormats) {
- delete[] fChoiceFormats;
- fChoiceFormats = NULL;
- }
- } else {
- uprv_arrayCopy(that.fChoiceLimits, fChoiceLimits, fCount);
- uprv_arrayCopy(that.fClosures, fClosures, fCount);
- uprv_arrayCopy(that.fChoiceFormats, fChoiceFormats, fCount);
- }
+ constructorErrorCode = that.constructorErrorCode;
+ msgPattern = that.msgPattern;
}
return *this;
}
ChoiceFormat::~ChoiceFormat()
{
- uprv_free(fChoiceLimits);
- fChoiceLimits = NULL;
- uprv_free(fClosures);
- fClosures = NULL;
- delete [] fChoiceFormats;
- fChoiceFormats = NULL;
- fCount = 0;
-}
-
-/**
- * Convert a string to a double value
- */
-double
-ChoiceFormat::stod(const UnicodeString& string)
-{
- char source[256];
- char* end;
-
- string.extract(0, string.length(), source, (int32_t)sizeof(source), US_INV); /* invariant codepage */
- return uprv_strtod(source,&end);
}
// -------------------------------------
/**
- * Convert a double value to a string without the overhead of ICU.
+ * Convert a double value to a string without the overhead of NumberFormat.
*/
UnicodeString&
ChoiceFormat::dtos(double value,
ChoiceFormat::applyPattern(const UnicodeString& pattern,
UErrorCode& status)
{
- UParseError parseError;
- applyPattern(pattern, parseError, status);
+ msgPattern.parseChoiceStyle(pattern, NULL, status);
+ constructorErrorCode = status;
}
// -------------------------------------
UParseError& parseError,
UErrorCode& status)
{
- if (U_FAILURE(status))
- {
- return;
- }
-
- // Clear error struct
- parseError.offset = -1;
- parseError.preContext[0] = parseError.postContext[0] = (UChar)0;
-
- // Perform 2 passes. The first computes the number of limits in
- // this pattern (fCount), which is 1 more than the number of
- // literal VERTICAL_BAR characters.
- int32_t count = 1;
- int32_t i;
- for (i=0; i<pattern.length(); ++i) {
- UChar c = pattern[i];
- if (c == SINGLE_QUOTE) {
- // Skip over the entire quote, including embedded
- // contiguous pairs of SINGLE_QUOTE.
- for (;;) {
- do {
- ++i;
- } while (i<pattern.length() &&
- pattern[i] != SINGLE_QUOTE);
- if ((i+1)<pattern.length() &&
- pattern[i+1] == SINGLE_QUOTE) {
- // SINGLE_QUOTE pair; skip over it
- ++i;
- } else {
- break;
- }
- }
- } else if (c == VERTICAL_BAR) {
- ++count;
- }
- }
-
- // Allocate the required storage.
- double *newLimits = (double*) uprv_malloc( sizeof(double) * count);
- /* test for NULL */
- if (newLimits == 0) {
- status = U_MEMORY_ALLOCATION_ERROR;
- return;
- }
- UBool *newClosures = (UBool*) uprv_malloc( sizeof(UBool) * count);
- /* test for NULL */
- if (newClosures == 0) {
- status = U_MEMORY_ALLOCATION_ERROR;
- uprv_free(newLimits);
- return;
- }
- UnicodeString *newFormats = new UnicodeString[count];
- /* test for NULL */
- if (newFormats == 0) {
- status = U_MEMORY_ALLOCATION_ERROR;
- uprv_free(newLimits);
- uprv_free(newClosures);
- return;
- }
-
- // Perform the second pass
- int32_t k = 0; // index into newXxx[] arrays
- UnicodeString buf; // scratch buffer
- UBool inQuote = FALSE;
- UBool inNumber = TRUE; // TRUE before < or #, FALSE after
-
- for (i=0; i<pattern.length(); ++i) {
- UChar c = pattern[i];
- if (c == SINGLE_QUOTE) {
- // Check for SINGLE_QUOTE pair indicating a literal quote
- if ((i+1) < pattern.length() &&
- pattern[i+1] == SINGLE_QUOTE) {
- buf += SINGLE_QUOTE;
- ++i;
- } else {
- inQuote = !inQuote;
- }
- } else if (inQuote) {
- buf += c;
- } else if (c == LESS_THAN || c == LESS_EQUAL || c == LESS_EQUAL2) {
- if (!inNumber || buf.length() == 0) {
- goto error;
- }
- inNumber = FALSE;
-
- double limit;
- buf.trim();
- if (!buf.compare(gPositiveInfinity, POSITIVE_INF_STRLEN)) {
- limit = uprv_getInfinity();
- } else if (!buf.compare(gNegativeInfinity, NEGATIVE_INF_STRLEN)) {
- limit = -uprv_getInfinity();
- } else {
- limit = stod(buf);
- }
-
- if (k == count) {
- // This shouldn't happen. If it does, it means that
- // the count determined in the first pass did not
- // match the number of elements found in the second
- // pass.
- goto error;
- }
- newLimits[k] = limit;
- newClosures[k] = (c == LESS_THAN);
-
- if (k > 0 && limit <= newLimits[k-1]) {
- // Each limit must be strictly > than the previous
- // limit. One exception: Two subsequent limits may be
- // == if the first closure is FALSE and the second
- // closure is TRUE. This places the limit value in
- // the second interval.
- if (!(limit == newLimits[k-1] &&
- !newClosures[k-1] &&
- newClosures[k])) {
- goto error;
- }
- }
-
- buf.truncate(0);
- } else if (c == VERTICAL_BAR) {
- if (inNumber) {
- goto error;
- }
- inNumber = TRUE;
-
- newFormats[k] = buf;
- ++k;
- buf.truncate(0);
- } else {
- buf += c;
- }
- }
-
- if (k != (count-1) || inNumber || inQuote) {
- goto error;
- }
- newFormats[k] = buf;
-
- // Don't modify this object until the parse succeeds
- uprv_free(fChoiceLimits);
- uprv_free(fClosures);
- delete[] fChoiceFormats;
- fCount = count;
- fChoiceLimits = newLimits;
- fClosures = newClosures;
- fChoiceFormats = newFormats;
- return;
-
-error:
- status = U_ILLEGAL_ARGUMENT_ERROR;
- syntaxError(pattern,i,parseError);
- uprv_free(newLimits);
- uprv_free(newClosures);
- delete[] newFormats;
- return;
-
+ msgPattern.parseChoiceStyle(pattern, &parseError, status);
+ constructorErrorCode = status;
}
// -------------------------------------
-// Reconstruct the original input pattern.
+// Returns the input pattern string.
UnicodeString&
ChoiceFormat::toPattern(UnicodeString& result) const
{
- result.remove();
- for (int32_t i = 0; i < fCount; ++i) {
- if (i != 0) {
- result += VERTICAL_BAR;
- }
- UnicodeString buf;
- if (uprv_isPositiveInfinity(fChoiceLimits[i])) {
- result += INFINITY;
- } else if (uprv_isNegativeInfinity(fChoiceLimits[i])) {
- result += MINUS;
- result += INFINITY;
- } else {
- result += dtos(fChoiceLimits[i], buf);
- }
- if (fClosures[i]) {
- result += LESS_THAN;
- } else {
- result += LESS_EQUAL;
- }
- // Append fChoiceFormats[i], using quotes if there are special
- // characters. Single quotes themselves must be escaped in
- // either case.
- const UnicodeString& text = fChoiceFormats[i];
- UBool needQuote = text.indexOf(LESS_THAN) >= 0
- || text.indexOf(LESS_EQUAL) >= 0
- || text.indexOf(LESS_EQUAL2) >= 0
- || text.indexOf(VERTICAL_BAR) >= 0;
- if (needQuote) {
- result += SINGLE_QUOTE;
- }
- if (text.indexOf(SINGLE_QUOTE) < 0) {
- result += text;
- }
- else {
- for (int32_t j = 0; j < text.length(); ++j) {
- UChar c = text[j];
- result += c;
- if (c == SINGLE_QUOTE) {
- result += c;
- }
- }
- }
- if (needQuote) {
- result += SINGLE_QUOTE;
- }
- }
-
- return result;
+ return result = msgPattern.getPatternString();
}
// -------------------------------------
const UnicodeString* formats,
int32_t cnt )
{
- setChoices(limits, 0, formats, cnt);
+ UErrorCode errorCode = U_ZERO_ERROR;
+ setChoices(limits, NULL, formats, cnt, errorCode);
}
// -------------------------------------
const UnicodeString* formats,
int32_t cnt )
{
- if(limits == 0 || formats == 0)
- return;
+ UErrorCode errorCode = U_ZERO_ERROR;
+ setChoices(limits, closures, formats, cnt, errorCode);
+}
- if (fChoiceLimits) {
- uprv_free(fChoiceLimits);
- }
- if (fClosures) {
- uprv_free(fClosures);
+void
+ChoiceFormat::setChoices(const double* limits,
+ const UBool* closures,
+ const UnicodeString* formats,
+ int32_t count,
+ UErrorCode &errorCode) {
+ if (U_FAILURE(errorCode)) {
+ return;
}
- if (fChoiceFormats) {
- delete [] fChoiceFormats;
+ if (limits == NULL || formats == NULL) {
+ errorCode = U_ILLEGAL_ARGUMENT_ERROR;
+ return;
}
-
- // Note that the old arrays are deleted and this owns
- // the created array.
- fCount = cnt;
- fChoiceLimits = (double*) uprv_malloc( sizeof(double) * fCount);
- fClosures = (UBool*) uprv_malloc( sizeof(UBool) * fCount);
- fChoiceFormats = new UnicodeString[fCount];
-
- //check for memory allocation error
- if (!fChoiceLimits || !fClosures || !fChoiceFormats) {
- if (fChoiceLimits) {
- uprv_free(fChoiceLimits);
- fChoiceLimits = NULL;
+ // Reconstruct the original input pattern.
+ // Modified version of the pre-ICU 4.8 toPattern() implementation.
+ UnicodeString result;
+ for (int32_t i = 0; i < count; ++i) {
+ if (i != 0) {
+ result += VERTICAL_BAR;
}
- if (fClosures) {
- uprv_free(fClosures);
- fClosures = NULL;
+ UnicodeString buf;
+ if (uprv_isPositiveInfinity(limits[i])) {
+ result += INFINITY;
+ } else if (uprv_isNegativeInfinity(limits[i])) {
+ result += MINUS;
+ result += INFINITY;
+ } else {
+ result += dtos(limits[i], buf);
}
- if (fChoiceFormats) {
- delete[] fChoiceFormats;
- fChoiceFormats = NULL;
+ if (closures != NULL && closures[i]) {
+ result += LESS_THAN;
+ } else {
+ result += LESS_EQUAL;
}
- return;
- }
-
- uprv_arrayCopy(limits, fChoiceLimits, fCount);
- uprv_arrayCopy(formats, fChoiceFormats, fCount);
-
- if (closures != 0) {
- uprv_arrayCopy(closures, fClosures, fCount);
- } else {
- int32_t i;
- for (i=0; i<fCount; ++i) {
- fClosures[i] = FALSE;
+ // Append formats[i], using quotes if there are special
+ // characters. Single quotes themselves must be escaped in
+ // either case.
+ const UnicodeString& text = formats[i];
+ int32_t textLength = text.length();
+ int32_t nestingLevel = 0;
+ for (int32_t j = 0; j < textLength; ++j) {
+ UChar c = text[j];
+ if (c == SINGLE_QUOTE && nestingLevel == 0) {
+ // Double each top-level apostrophe.
+ result.append(c);
+ } else if (c == VERTICAL_BAR && nestingLevel == 0) {
+ // Surround each pipe symbol with apostrophes for quoting.
+ // If the next character is an apostrophe, then that will be doubled,
+ // and although the parser will see the apostrophe pairs beginning
+ // and ending one character earlier than our doubling, the result
+ // is as desired.
+ // | -> '|'
+ // |' -> '|'''
+ // |'' -> '|''''' etc.
+ result.append(SINGLE_QUOTE).append(c).append(SINGLE_QUOTE);
+ continue; // Skip the append(c) at the end of the loop body.
+ } else if (c == LEFT_CURLY_BRACE) {
+ ++nestingLevel;
+ } else if (c == RIGHT_CURLY_BRACE && nestingLevel > 0) {
+ --nestingLevel;
+ }
+ result.append(c);
}
}
+ // Apply the reconstructed pattern.
+ applyPattern(result, errorCode);
}
// -------------------------------------
const double*
ChoiceFormat::getLimits(int32_t& cnt) const
{
- cnt = fCount;
- return fChoiceLimits;
+ cnt = 0;
+ return NULL;
}
// -------------------------------------
const UBool*
ChoiceFormat::getClosures(int32_t& cnt) const
{
- cnt = fCount;
- return fClosures;
+ cnt = 0;
+ return NULL;
}
// -------------------------------------
const UnicodeString*
ChoiceFormat::getFormats(int32_t& cnt) const
{
- cnt = fCount;
- return fChoiceFormats;
+ cnt = 0;
+ return NULL;
}
// -------------------------------------
}
// -------------------------------------
-// Formats a long number, it's actually formatted as
-// a double. The returned format string may differ
-// from the input number because of this.
+// Formats an int32_t number, it's actually formatted as
+// a double.
UnicodeString&
ChoiceFormat::format(int32_t number,
UnicodeString& appendTo,
FieldPosition& /*pos*/) const
{
- // find the number
- int32_t i;
- for (i = 0; i < fCount; ++i) {
- if (fClosures[i]) {
- if (!(number > fChoiceLimits[i])) {
- // same as number <= fChoiceLimits, except catches NaN
- break;
- }
- } else if (!(number >= fChoiceLimits[i])) {
- // same as number < fChoiceLimits, except catches NaN
+ if (msgPattern.countParts() == 0) {
+ // No pattern was applied, or it failed.
+ return appendTo;
+ }
+ // Get the appropriate sub-message.
+ int32_t msgStart = findSubMessage(msgPattern, 0, number);
+ if (!MessageImpl::jdkAposMode(msgPattern)) {
+ int32_t patternStart = msgPattern.getPart(msgStart).getLimit();
+ int32_t msgLimit = msgPattern.getLimitPartIndex(msgStart);
+ appendTo.append(msgPattern.getPatternString(),
+ patternStart,
+ msgPattern.getPatternIndex(msgLimit) - patternStart);
+ return appendTo;
+ }
+ // JDK compatibility mode: Remove SKIP_SYNTAX.
+ return MessageImpl::appendSubMessageWithoutSkipSyntax(msgPattern, msgStart, appendTo);
+}
+
+int32_t
+ChoiceFormat::findSubMessage(const MessagePattern &pattern, int32_t partIndex, double number) {
+ int32_t count = pattern.countParts();
+ int32_t msgStart;
+ // Iterate over (ARG_INT|DOUBLE, ARG_SELECTOR, message) tuples
+ // until ARG_LIMIT or end of choice-only pattern.
+ // Ignore the first number and selector and start the loop on the first message.
+ partIndex += 2;
+ for (;;) {
+ // Skip but remember the current sub-message.
+ msgStart = partIndex;
+ partIndex = pattern.getLimitPartIndex(partIndex);
+ if (++partIndex >= count) {
+ // Reached the end of the choice-only pattern.
+ // Return with the last sub-message.
+ break;
+ }
+ const MessagePattern::Part &part = pattern.getPart(partIndex++);
+ UMessagePatternPartType type = part.getType();
+ if (type == UMSGPAT_PART_TYPE_ARG_LIMIT) {
+ // Reached the end of the ChoiceFormat style.
+ // Return with the last sub-message.
+ break;
+ }
+ // part is an ARG_INT or ARG_DOUBLE
+ U_ASSERT(MessagePattern::Part::hasNumericValue(type));
+ double boundary = pattern.getNumericValue(part);
+ // Fetch the ARG_SELECTOR character.
+ int32_t selectorIndex = pattern.getPatternIndex(partIndex++);
+ UChar boundaryChar = pattern.getPatternString().charAt(selectorIndex);
+ if (boundaryChar == LESS_THAN ? !(number > boundary) : !(number >= boundary)) {
+ // The number is in the interval between the previous boundary and the current one.
+ // Return with the sub-message between them.
+ // The !(a>b) and !(a>=b) comparisons are equivalent to
+ // (a<=b) and (a<b) except they "catch" NaN.
break;
}
}
- --i;
- if (i < 0) {
- i = 0;
- }
- // return either a formatted number, or a string
- appendTo += fChoiceFormats[i];
- return appendTo;
+ return msgStart;
}
// -------------------------------------
status = U_ILLEGAL_ARGUMENT_ERROR;
return appendTo;
}
+ if (msgPattern.countParts() == 0) {
+ status = U_INVALID_STATE_ERROR;
+ return appendTo;
+ }
- UnicodeString buffer;
for (int32_t i = 0; i < cnt; i++) {
double objDouble = objs[i].getDouble(status);
if (U_SUCCESS(status)) {
- buffer.remove();
- appendTo += format(objDouble, buffer, pos);
+ format(objDouble, appendTo, pos);
}
}
return appendTo;
}
-// -------------------------------------
-// Formats an array of objects. Checks if the data type of the objects
-// to get the right value for formatting.
-
-UnicodeString&
-ChoiceFormat::format(const Formattable& obj,
- UnicodeString& appendTo,
- FieldPosition& pos,
- UErrorCode& status) const
-{
- return NumberFormat::format(obj, appendTo, pos, status);
-}
// -------------------------------------
void
ChoiceFormat::parse(const UnicodeString& text,
Formattable& result,
- ParsePosition& status) const
+ ParsePosition& pos) const
{
+ result.setDouble(parseArgument(msgPattern, 0, text, pos));
+}
+
+double
+ChoiceFormat::parseArgument(
+ const MessagePattern &pattern, int32_t partIndex,
+ const UnicodeString &source, ParsePosition &pos) {
// find the best number (defined as the one with the longest parse)
- int32_t start = status.getIndex();
+ int32_t start = pos.getIndex();
int32_t furthest = start;
double bestNumber = uprv_getNaN();
double tempNumber = 0.0;
- for (int i = 0; i < fCount; ++i) {
- int32_t len = fChoiceFormats[i].length();
- if (text.compare(start, len, fChoiceFormats[i]) == 0) {
- status.setIndex(start + len);
- tempNumber = fChoiceLimits[i];
- if (status.getIndex() > furthest) {
- furthest = status.getIndex();
+ int32_t count = pattern.countParts();
+ while (partIndex < count && pattern.getPartType(partIndex) != UMSGPAT_PART_TYPE_ARG_LIMIT) {
+ tempNumber = pattern.getNumericValue(pattern.getPart(partIndex));
+ partIndex += 2; // skip the numeric part and ignore the ARG_SELECTOR
+ int32_t msgLimit = pattern.getLimitPartIndex(partIndex);
+ int32_t len = matchStringUntilLimitPart(pattern, partIndex, msgLimit, source, start);
+ if (len >= 0) {
+ int32_t newIndex = start + len;
+ if (newIndex > furthest) {
+ furthest = newIndex;
bestNumber = tempNumber;
- if (furthest == text.length())
+ if (furthest == source.length()) {
break;
+ }
}
}
+ partIndex = msgLimit + 1;
}
- status.setIndex(furthest);
- if (status.getIndex() == start) {
- status.setErrorIndex(furthest);
+ if (furthest == start) {
+ pos.setErrorIndex(start);
+ } else {
+ pos.setIndex(furthest);
}
- result.setDouble(bestNumber);
+ return bestNumber;
}
-// -------------------------------------
-// Parses the text and return the Formattable object.
-
-void
-ChoiceFormat::parse(const UnicodeString& text,
- Formattable& result,
- UErrorCode& status) const
-{
- NumberFormat::parse(text, result, status);
+int32_t
+ChoiceFormat::matchStringUntilLimitPart(
+ const MessagePattern &pattern, int32_t partIndex, int32_t limitPartIndex,
+ const UnicodeString &source, int32_t sourceOffset) {
+ int32_t matchingSourceLength = 0;
+ const UnicodeString &msgString = pattern.getPatternString();
+ int32_t prevIndex = pattern.getPart(partIndex).getLimit();
+ for (;;) {
+ const MessagePattern::Part &part = pattern.getPart(++partIndex);
+ if (partIndex == limitPartIndex || part.getType() == UMSGPAT_PART_TYPE_SKIP_SYNTAX) {
+ int32_t index = part.getIndex();
+ int32_t length = index - prevIndex;
+ if (length != 0 && 0 != source.compare(sourceOffset, length, msgString, prevIndex, length)) {
+ return -1; // mismatch
+ }
+ matchingSourceLength += length;
+ if (partIndex == limitPartIndex) {
+ return matchingSourceLength;
+ }
+ prevIndex = part.getLimit(); // SKIP_SYNTAX
+ }
+ }
}
// -------------------------------------
projects / apple / icu.git / blobdiff