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authorneksard <neksard@yandex-team.ru>2022-02-10 16:45:33 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:33 +0300
commit1d9c550e7c38e051d7961f576013a482003a70d9 (patch)
treeb2cc84ee7850122e7ccf51d0ea21e4fa7e7a5685 /contrib/libs/icu/common/simpleformatter.cpp
parent8f7cf138264e0caa318144bf8a2c950e0b0a8593 (diff)
downloadydb-1d9c550e7c38e051d7961f576013a482003a70d9.tar.gz
Restoring authorship annotation for <neksard@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/icu/common/simpleformatter.cpp')
-rw-r--r--contrib/libs/icu/common/simpleformatter.cpp616
1 files changed, 308 insertions, 308 deletions
diff --git a/contrib/libs/icu/common/simpleformatter.cpp b/contrib/libs/icu/common/simpleformatter.cpp
index 83a0dda8c9..76d8f54efd 100644
--- a/contrib/libs/icu/common/simpleformatter.cpp
+++ b/contrib/libs/icu/common/simpleformatter.cpp
@@ -1,251 +1,251 @@
// © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-/*
-******************************************************************************
-* Copyright (C) 2014-2016, International Business Machines
-* Corporation and others. All Rights Reserved.
-******************************************************************************
-* simpleformatter.cpp
-*/
-
-#include "unicode/utypes.h"
-#include "unicode/simpleformatter.h"
-#include "unicode/unistr.h"
-#include "uassert.h"
-
-U_NAMESPACE_BEGIN
-
-namespace {
-
-/**
- * Argument numbers must be smaller than this limit.
- * Text segment lengths are offset by this much.
- * This is currently the only unused char value in compiled patterns,
- * except it is the maximum value of the first unit (max arg +1).
- */
-const int32_t ARG_NUM_LIMIT = 0x100;
-/**
- * Initial and maximum char/UChar value set for a text segment.
- * Segment length char values are from ARG_NUM_LIMIT+1 to this value here.
- * Normally 0xffff, but can be as small as ARG_NUM_LIMIT+1 for testing.
- */
-const UChar SEGMENT_LENGTH_PLACEHOLDER_CHAR = 0xffff;
-/**
- * Maximum length of a text segment. Longer segments are split into shorter ones.
- */
-const int32_t MAX_SEGMENT_LENGTH = SEGMENT_LENGTH_PLACEHOLDER_CHAR - ARG_NUM_LIMIT;
-
-enum {
- APOS = 0x27,
- DIGIT_ZERO = 0x30,
- DIGIT_ONE = 0x31,
- DIGIT_NINE = 0x39,
- OPEN_BRACE = 0x7b,
- CLOSE_BRACE = 0x7d
-};
-
-inline UBool isInvalidArray(const void *array, int32_t length) {
- return (length < 0 || (array == NULL && length != 0));
-}
-
-} // namespace
-
-SimpleFormatter &SimpleFormatter::operator=(const SimpleFormatter& other) {
- if (this == &other) {
- return *this;
- }
- compiledPattern = other.compiledPattern;
- return *this;
-}
-
-SimpleFormatter::~SimpleFormatter() {}
-
-UBool SimpleFormatter::applyPatternMinMaxArguments(
- const UnicodeString &pattern,
- int32_t min, int32_t max,
- UErrorCode &errorCode) {
- if (U_FAILURE(errorCode)) {
- return FALSE;
- }
- // Parse consistent with MessagePattern, but
- // - support only simple numbered arguments
- // - build a simple binary structure into the result string
- const UChar *patternBuffer = pattern.getBuffer();
- int32_t patternLength = pattern.length();
- // Reserve the first char for the number of arguments.
- compiledPattern.setTo((UChar)0);
- int32_t textLength = 0;
- int32_t maxArg = -1;
- UBool inQuote = FALSE;
- for (int32_t i = 0; i < patternLength;) {
- UChar c = patternBuffer[i++];
- if (c == APOS) {
- if (i < patternLength && (c = patternBuffer[i]) == APOS) {
- // double apostrophe, skip the second one
- ++i;
- } else if (inQuote) {
- // skip the quote-ending apostrophe
- inQuote = FALSE;
- continue;
- } else if (c == OPEN_BRACE || c == CLOSE_BRACE) {
- // Skip the quote-starting apostrophe, find the end of the quoted literal text.
- ++i;
- inQuote = TRUE;
- } else {
- // The apostrophe is part of literal text.
- c = APOS;
- }
- } else if (!inQuote && c == OPEN_BRACE) {
- if (textLength > 0) {
- compiledPattern.setCharAt(compiledPattern.length() - textLength - 1,
- (UChar)(ARG_NUM_LIMIT + textLength));
- textLength = 0;
- }
- int32_t argNumber;
- if ((i + 1) < patternLength &&
- 0 <= (argNumber = patternBuffer[i] - DIGIT_ZERO) && argNumber <= 9 &&
- patternBuffer[i + 1] == CLOSE_BRACE) {
- i += 2;
- } else {
- // Multi-digit argument number (no leading zero) or syntax error.
- // MessagePattern permits PatternProps.skipWhiteSpace(pattern, index)
- // around the number, but this class does not.
- argNumber = -1;
- if (i < patternLength && DIGIT_ONE <= (c = patternBuffer[i++]) && c <= DIGIT_NINE) {
- argNumber = c - DIGIT_ZERO;
- while (i < patternLength &&
- DIGIT_ZERO <= (c = patternBuffer[i++]) && c <= DIGIT_NINE) {
- argNumber = argNumber * 10 + (c - DIGIT_ZERO);
- if (argNumber >= ARG_NUM_LIMIT) {
- break;
- }
- }
- }
- if (argNumber < 0 || c != CLOSE_BRACE) {
- errorCode = U_ILLEGAL_ARGUMENT_ERROR;
- return FALSE;
- }
- }
- if (argNumber > maxArg) {
- maxArg = argNumber;
- }
- compiledPattern.append((UChar)argNumber);
- continue;
- } // else: c is part of literal text
- // Append c and track the literal-text segment length.
- if (textLength == 0) {
- // Reserve a char for the length of a new text segment, preset the maximum length.
- compiledPattern.append(SEGMENT_LENGTH_PLACEHOLDER_CHAR);
- }
- compiledPattern.append(c);
- if (++textLength == MAX_SEGMENT_LENGTH) {
- textLength = 0;
- }
- }
- if (textLength > 0) {
- compiledPattern.setCharAt(compiledPattern.length() - textLength - 1,
- (UChar)(ARG_NUM_LIMIT + textLength));
- }
- int32_t argCount = maxArg + 1;
- if (argCount < min || max < argCount) {
- errorCode = U_ILLEGAL_ARGUMENT_ERROR;
- return FALSE;
- }
- compiledPattern.setCharAt(0, (UChar)argCount);
- return TRUE;
-}
-
-UnicodeString& SimpleFormatter::format(
- const UnicodeString &value0,
- UnicodeString &appendTo, UErrorCode &errorCode) const {
- const UnicodeString *values[] = { &value0 };
- return formatAndAppend(values, 1, appendTo, NULL, 0, errorCode);
-}
-
-UnicodeString& SimpleFormatter::format(
- const UnicodeString &value0,
- const UnicodeString &value1,
- UnicodeString &appendTo, UErrorCode &errorCode) const {
- const UnicodeString *values[] = { &value0, &value1 };
- return formatAndAppend(values, 2, appendTo, NULL, 0, errorCode);
-}
-
-UnicodeString& SimpleFormatter::format(
- const UnicodeString &value0,
- const UnicodeString &value1,
- const UnicodeString &value2,
- UnicodeString &appendTo, UErrorCode &errorCode) const {
- const UnicodeString *values[] = { &value0, &value1, &value2 };
- return formatAndAppend(values, 3, appendTo, NULL, 0, errorCode);
-}
-
-UnicodeString& SimpleFormatter::formatAndAppend(
- const UnicodeString *const *values, int32_t valuesLength,
- UnicodeString &appendTo,
- int32_t *offsets, int32_t offsetsLength, UErrorCode &errorCode) const {
- if (U_FAILURE(errorCode)) {
- return appendTo;
- }
- if (isInvalidArray(values, valuesLength) || isInvalidArray(offsets, offsetsLength) ||
- valuesLength < getArgumentLimit()) {
- errorCode = U_ILLEGAL_ARGUMENT_ERROR;
- return appendTo;
- }
- return format(compiledPattern.getBuffer(), compiledPattern.length(), values,
- appendTo, NULL, TRUE,
- offsets, offsetsLength, errorCode);
-}
-
-UnicodeString &SimpleFormatter::formatAndReplace(
- const UnicodeString *const *values, int32_t valuesLength,
- UnicodeString &result,
- int32_t *offsets, int32_t offsetsLength, UErrorCode &errorCode) const {
- if (U_FAILURE(errorCode)) {
- return result;
- }
- if (isInvalidArray(values, valuesLength) || isInvalidArray(offsets, offsetsLength)) {
- errorCode = U_ILLEGAL_ARGUMENT_ERROR;
- return result;
- }
- const UChar *cp = compiledPattern.getBuffer();
- int32_t cpLength = compiledPattern.length();
- if (valuesLength < getArgumentLimit(cp, cpLength)) {
- errorCode = U_ILLEGAL_ARGUMENT_ERROR;
- return result;
- }
-
- // If the pattern starts with an argument whose value is the same object
- // as the result, then we keep the result contents and append to it.
- // Otherwise we replace its contents.
- int32_t firstArg = -1;
- // If any non-initial argument value is the same object as the result,
- // then we first copy its contents and use that instead while formatting.
- UnicodeString resultCopy;
- if (getArgumentLimit(cp, cpLength) > 0) {
- for (int32_t i = 1; i < cpLength;) {
- int32_t n = cp[i++];
- if (n < ARG_NUM_LIMIT) {
- if (values[n] == &result) {
- if (i == 2) {
- firstArg = n;
- } else if (resultCopy.isEmpty() && !result.isEmpty()) {
- resultCopy = result;
- }
- }
- } else {
- i += n - ARG_NUM_LIMIT;
- }
- }
- }
- if (firstArg < 0) {
- result.remove();
- }
- return format(cp, cpLength, values,
- result, &resultCopy, FALSE,
- offsets, offsetsLength, errorCode);
-}
-
-UnicodeString SimpleFormatter::getTextWithNoArguments(
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+******************************************************************************
+* Copyright (C) 2014-2016, International Business Machines
+* Corporation and others. All Rights Reserved.
+******************************************************************************
+* simpleformatter.cpp
+*/
+
+#include "unicode/utypes.h"
+#include "unicode/simpleformatter.h"
+#include "unicode/unistr.h"
+#include "uassert.h"
+
+U_NAMESPACE_BEGIN
+
+namespace {
+
+/**
+ * Argument numbers must be smaller than this limit.
+ * Text segment lengths are offset by this much.
+ * This is currently the only unused char value in compiled patterns,
+ * except it is the maximum value of the first unit (max arg +1).
+ */
+const int32_t ARG_NUM_LIMIT = 0x100;
+/**
+ * Initial and maximum char/UChar value set for a text segment.
+ * Segment length char values are from ARG_NUM_LIMIT+1 to this value here.
+ * Normally 0xffff, but can be as small as ARG_NUM_LIMIT+1 for testing.
+ */
+const UChar SEGMENT_LENGTH_PLACEHOLDER_CHAR = 0xffff;
+/**
+ * Maximum length of a text segment. Longer segments are split into shorter ones.
+ */
+const int32_t MAX_SEGMENT_LENGTH = SEGMENT_LENGTH_PLACEHOLDER_CHAR - ARG_NUM_LIMIT;
+
+enum {
+ APOS = 0x27,
+ DIGIT_ZERO = 0x30,
+ DIGIT_ONE = 0x31,
+ DIGIT_NINE = 0x39,
+ OPEN_BRACE = 0x7b,
+ CLOSE_BRACE = 0x7d
+};
+
+inline UBool isInvalidArray(const void *array, int32_t length) {
+ return (length < 0 || (array == NULL && length != 0));
+}
+
+} // namespace
+
+SimpleFormatter &SimpleFormatter::operator=(const SimpleFormatter& other) {
+ if (this == &other) {
+ return *this;
+ }
+ compiledPattern = other.compiledPattern;
+ return *this;
+}
+
+SimpleFormatter::~SimpleFormatter() {}
+
+UBool SimpleFormatter::applyPatternMinMaxArguments(
+ const UnicodeString &pattern,
+ int32_t min, int32_t max,
+ UErrorCode &errorCode) {
+ if (U_FAILURE(errorCode)) {
+ return FALSE;
+ }
+ // Parse consistent with MessagePattern, but
+ // - support only simple numbered arguments
+ // - build a simple binary structure into the result string
+ const UChar *patternBuffer = pattern.getBuffer();
+ int32_t patternLength = pattern.length();
+ // Reserve the first char for the number of arguments.
+ compiledPattern.setTo((UChar)0);
+ int32_t textLength = 0;
+ int32_t maxArg = -1;
+ UBool inQuote = FALSE;
+ for (int32_t i = 0; i < patternLength;) {
+ UChar c = patternBuffer[i++];
+ if (c == APOS) {
+ if (i < patternLength && (c = patternBuffer[i]) == APOS) {
+ // double apostrophe, skip the second one
+ ++i;
+ } else if (inQuote) {
+ // skip the quote-ending apostrophe
+ inQuote = FALSE;
+ continue;
+ } else if (c == OPEN_BRACE || c == CLOSE_BRACE) {
+ // Skip the quote-starting apostrophe, find the end of the quoted literal text.
+ ++i;
+ inQuote = TRUE;
+ } else {
+ // The apostrophe is part of literal text.
+ c = APOS;
+ }
+ } else if (!inQuote && c == OPEN_BRACE) {
+ if (textLength > 0) {
+ compiledPattern.setCharAt(compiledPattern.length() - textLength - 1,
+ (UChar)(ARG_NUM_LIMIT + textLength));
+ textLength = 0;
+ }
+ int32_t argNumber;
+ if ((i + 1) < patternLength &&
+ 0 <= (argNumber = patternBuffer[i] - DIGIT_ZERO) && argNumber <= 9 &&
+ patternBuffer[i + 1] == CLOSE_BRACE) {
+ i += 2;
+ } else {
+ // Multi-digit argument number (no leading zero) or syntax error.
+ // MessagePattern permits PatternProps.skipWhiteSpace(pattern, index)
+ // around the number, but this class does not.
+ argNumber = -1;
+ if (i < patternLength && DIGIT_ONE <= (c = patternBuffer[i++]) && c <= DIGIT_NINE) {
+ argNumber = c - DIGIT_ZERO;
+ while (i < patternLength &&
+ DIGIT_ZERO <= (c = patternBuffer[i++]) && c <= DIGIT_NINE) {
+ argNumber = argNumber * 10 + (c - DIGIT_ZERO);
+ if (argNumber >= ARG_NUM_LIMIT) {
+ break;
+ }
+ }
+ }
+ if (argNumber < 0 || c != CLOSE_BRACE) {
+ errorCode = U_ILLEGAL_ARGUMENT_ERROR;
+ return FALSE;
+ }
+ }
+ if (argNumber > maxArg) {
+ maxArg = argNumber;
+ }
+ compiledPattern.append((UChar)argNumber);
+ continue;
+ } // else: c is part of literal text
+ // Append c and track the literal-text segment length.
+ if (textLength == 0) {
+ // Reserve a char for the length of a new text segment, preset the maximum length.
+ compiledPattern.append(SEGMENT_LENGTH_PLACEHOLDER_CHAR);
+ }
+ compiledPattern.append(c);
+ if (++textLength == MAX_SEGMENT_LENGTH) {
+ textLength = 0;
+ }
+ }
+ if (textLength > 0) {
+ compiledPattern.setCharAt(compiledPattern.length() - textLength - 1,
+ (UChar)(ARG_NUM_LIMIT + textLength));
+ }
+ int32_t argCount = maxArg + 1;
+ if (argCount < min || max < argCount) {
+ errorCode = U_ILLEGAL_ARGUMENT_ERROR;
+ return FALSE;
+ }
+ compiledPattern.setCharAt(0, (UChar)argCount);
+ return TRUE;
+}
+
+UnicodeString& SimpleFormatter::format(
+ const UnicodeString &value0,
+ UnicodeString &appendTo, UErrorCode &errorCode) const {
+ const UnicodeString *values[] = { &value0 };
+ return formatAndAppend(values, 1, appendTo, NULL, 0, errorCode);
+}
+
+UnicodeString& SimpleFormatter::format(
+ const UnicodeString &value0,
+ const UnicodeString &value1,
+ UnicodeString &appendTo, UErrorCode &errorCode) const {
+ const UnicodeString *values[] = { &value0, &value1 };
+ return formatAndAppend(values, 2, appendTo, NULL, 0, errorCode);
+}
+
+UnicodeString& SimpleFormatter::format(
+ const UnicodeString &value0,
+ const UnicodeString &value1,
+ const UnicodeString &value2,
+ UnicodeString &appendTo, UErrorCode &errorCode) const {
+ const UnicodeString *values[] = { &value0, &value1, &value2 };
+ return formatAndAppend(values, 3, appendTo, NULL, 0, errorCode);
+}
+
+UnicodeString& SimpleFormatter::formatAndAppend(
+ const UnicodeString *const *values, int32_t valuesLength,
+ UnicodeString &appendTo,
+ int32_t *offsets, int32_t offsetsLength, UErrorCode &errorCode) const {
+ if (U_FAILURE(errorCode)) {
+ return appendTo;
+ }
+ if (isInvalidArray(values, valuesLength) || isInvalidArray(offsets, offsetsLength) ||
+ valuesLength < getArgumentLimit()) {
+ errorCode = U_ILLEGAL_ARGUMENT_ERROR;
+ return appendTo;
+ }
+ return format(compiledPattern.getBuffer(), compiledPattern.length(), values,
+ appendTo, NULL, TRUE,
+ offsets, offsetsLength, errorCode);
+}
+
+UnicodeString &SimpleFormatter::formatAndReplace(
+ const UnicodeString *const *values, int32_t valuesLength,
+ UnicodeString &result,
+ int32_t *offsets, int32_t offsetsLength, UErrorCode &errorCode) const {
+ if (U_FAILURE(errorCode)) {
+ return result;
+ }
+ if (isInvalidArray(values, valuesLength) || isInvalidArray(offsets, offsetsLength)) {
+ errorCode = U_ILLEGAL_ARGUMENT_ERROR;
+ return result;
+ }
+ const UChar *cp = compiledPattern.getBuffer();
+ int32_t cpLength = compiledPattern.length();
+ if (valuesLength < getArgumentLimit(cp, cpLength)) {
+ errorCode = U_ILLEGAL_ARGUMENT_ERROR;
+ return result;
+ }
+
+ // If the pattern starts with an argument whose value is the same object
+ // as the result, then we keep the result contents and append to it.
+ // Otherwise we replace its contents.
+ int32_t firstArg = -1;
+ // If any non-initial argument value is the same object as the result,
+ // then we first copy its contents and use that instead while formatting.
+ UnicodeString resultCopy;
+ if (getArgumentLimit(cp, cpLength) > 0) {
+ for (int32_t i = 1; i < cpLength;) {
+ int32_t n = cp[i++];
+ if (n < ARG_NUM_LIMIT) {
+ if (values[n] == &result) {
+ if (i == 2) {
+ firstArg = n;
+ } else if (resultCopy.isEmpty() && !result.isEmpty()) {
+ resultCopy = result;
+ }
+ }
+ } else {
+ i += n - ARG_NUM_LIMIT;
+ }
+ }
+ }
+ if (firstArg < 0) {
+ result.remove();
+ }
+ return format(cp, cpLength, values,
+ result, &resultCopy, FALSE,
+ offsets, offsetsLength, errorCode);
+}
+
+UnicodeString SimpleFormatter::getTextWithNoArguments(
const UChar *compiledPattern,
int32_t compiledPatternLength,
int32_t* offsets,
@@ -253,10 +253,10 @@ UnicodeString SimpleFormatter::getTextWithNoArguments(
for (int32_t i = 0; i < offsetsLength; i++) {
offsets[i] = -1;
}
- int32_t capacity = compiledPatternLength - 1 -
- getArgumentLimit(compiledPattern, compiledPatternLength);
- UnicodeString sb(capacity, 0, 0); // Java: StringBuilder
- for (int32_t i = 1; i < compiledPatternLength;) {
+ int32_t capacity = compiledPatternLength - 1 -
+ getArgumentLimit(compiledPattern, compiledPatternLength);
+ UnicodeString sb(capacity, 0, 0); // Java: StringBuilder
+ for (int32_t i = 1; i < compiledPatternLength;) {
int32_t n = compiledPattern[i++];
if (n > ARG_NUM_LIMIT) {
n -= ARG_NUM_LIMIT;
@@ -264,60 +264,60 @@ UnicodeString SimpleFormatter::getTextWithNoArguments(
i += n;
} else if (n < offsetsLength) {
offsets[n] = sb.length();
- }
- }
- return sb;
-}
-
-UnicodeString &SimpleFormatter::format(
- const UChar *compiledPattern, int32_t compiledPatternLength,
- const UnicodeString *const *values,
- UnicodeString &result, const UnicodeString *resultCopy, UBool forbidResultAsValue,
- int32_t *offsets, int32_t offsetsLength,
- UErrorCode &errorCode) {
- if (U_FAILURE(errorCode)) {
- return result;
- }
- for (int32_t i = 0; i < offsetsLength; i++) {
- offsets[i] = -1;
- }
- for (int32_t i = 1; i < compiledPatternLength;) {
- int32_t n = compiledPattern[i++];
- if (n < ARG_NUM_LIMIT) {
- const UnicodeString *value = values[n];
- if (value == NULL) {
- errorCode = U_ILLEGAL_ARGUMENT_ERROR;
- return result;
- }
- if (value == &result) {
- if (forbidResultAsValue) {
- errorCode = U_ILLEGAL_ARGUMENT_ERROR;
- return result;
- }
- if (i == 2) {
- // We are appending to result which is also the first value object.
- if (n < offsetsLength) {
- offsets[n] = 0;
- }
- } else {
- if (n < offsetsLength) {
- offsets[n] = result.length();
- }
- result.append(*resultCopy);
- }
- } else {
- if (n < offsetsLength) {
- offsets[n] = result.length();
- }
- result.append(*value);
- }
- } else {
- int32_t length = n - ARG_NUM_LIMIT;
- result.append(compiledPattern + i, length);
- i += length;
- }
- }
- return result;
-}
-
-U_NAMESPACE_END
+ }
+ }
+ return sb;
+}
+
+UnicodeString &SimpleFormatter::format(
+ const UChar *compiledPattern, int32_t compiledPatternLength,
+ const UnicodeString *const *values,
+ UnicodeString &result, const UnicodeString *resultCopy, UBool forbidResultAsValue,
+ int32_t *offsets, int32_t offsetsLength,
+ UErrorCode &errorCode) {
+ if (U_FAILURE(errorCode)) {
+ return result;
+ }
+ for (int32_t i = 0; i < offsetsLength; i++) {
+ offsets[i] = -1;
+ }
+ for (int32_t i = 1; i < compiledPatternLength;) {
+ int32_t n = compiledPattern[i++];
+ if (n < ARG_NUM_LIMIT) {
+ const UnicodeString *value = values[n];
+ if (value == NULL) {
+ errorCode = U_ILLEGAL_ARGUMENT_ERROR;
+ return result;
+ }
+ if (value == &result) {
+ if (forbidResultAsValue) {
+ errorCode = U_ILLEGAL_ARGUMENT_ERROR;
+ return result;
+ }
+ if (i == 2) {
+ // We are appending to result which is also the first value object.
+ if (n < offsetsLength) {
+ offsets[n] = 0;
+ }
+ } else {
+ if (n < offsetsLength) {
+ offsets[n] = result.length();
+ }
+ result.append(*resultCopy);
+ }
+ } else {
+ if (n < offsetsLength) {
+ offsets[n] = result.length();
+ }
+ result.append(*value);
+ }
+ } else {
+ int32_t length = n - ARG_NUM_LIMIT;
+ result.append(compiledPattern + i, length);
+ i += length;
+ }
+ }
+ return result;
+}
+
+U_NAMESPACE_END