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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /intl/icu/source/i18n/selfmt.cpp
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'intl/icu/source/i18n/selfmt.cpp')
-rw-r--r--intl/icu/source/i18n/selfmt.cpp197
1 files changed, 197 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/selfmt.cpp b/intl/icu/source/i18n/selfmt.cpp
new file mode 100644
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+++ b/intl/icu/source/i18n/selfmt.cpp
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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/********************************************************************
+ * COPYRIGHT:
+ * Copyright (c) 1997-2012, International Business Machines Corporation and
+ * others. All Rights Reserved.
+ * Copyright (C) 2010 , Yahoo! Inc.
+ ********************************************************************
+ *
+ * File SELFMT.CPP
+ *
+ * Modification History:
+ *
+ * Date Name Description
+ * 11/11/09 kirtig Finished first cut of implementation.
+ * 11/16/09 kirtig Improved version
+ ********************************************************************/
+
+#include "utypeinfo.h" // for 'typeid' to work
+
+#include "unicode/messagepattern.h"
+#include "unicode/rbnf.h"
+#include "unicode/selfmt.h"
+#include "unicode/uchar.h"
+#include "unicode/ucnv_err.h"
+#include "unicode/umsg.h"
+#include "unicode/ustring.h"
+#include "unicode/utypes.h"
+#include "cmemory.h"
+#include "messageimpl.h"
+#include "patternprops.h"
+#include "selfmtimpl.h"
+#include "uassert.h"
+#include "ustrfmt.h"
+#include "util.h"
+#include "uvector.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+U_NAMESPACE_BEGIN
+
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SelectFormat)
+
+static const char16_t SELECT_KEYWORD_OTHER[] = {LOW_O, LOW_T, LOW_H, LOW_E, LOW_R, 0};
+
+SelectFormat::SelectFormat(const UnicodeString& pat,
+ UErrorCode& status) : msgPattern(status) {
+ applyPattern(pat, status);
+}
+
+SelectFormat::SelectFormat(const SelectFormat& other) : Format(other),
+ msgPattern(other.msgPattern) {
+}
+
+SelectFormat::~SelectFormat() {
+}
+
+void
+SelectFormat::applyPattern(const UnicodeString& newPattern, UErrorCode& status) {
+ if (U_FAILURE(status)) {
+ return;
+ }
+
+ msgPattern.parseSelectStyle(newPattern, nullptr, status);
+ if (U_FAILURE(status)) {
+ msgPattern.clear();
+ }
+}
+
+UnicodeString&
+SelectFormat::format(const Formattable& obj,
+ UnicodeString& appendTo,
+ FieldPosition& pos,
+ UErrorCode& status) const
+{
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+ if (obj.getType() == Formattable::kString) {
+ return format(obj.getString(status), appendTo, pos, status);
+ } else {
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ return appendTo;
+ }
+}
+
+UnicodeString&
+SelectFormat::format(const UnicodeString& keyword,
+ UnicodeString& appendTo,
+ FieldPosition& /*pos */,
+ UErrorCode& status) const {
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+ // Check for the validity of the keyword
+ if (!PatternProps::isIdentifier(keyword.getBuffer(), keyword.length())) {
+ status = U_ILLEGAL_ARGUMENT_ERROR; // Invalid formatting argument.
+ }
+ if (msgPattern.countParts() == 0) {
+ status = U_INVALID_STATE_ERROR;
+ return appendTo;
+ }
+ int32_t msgStart = findSubMessage(msgPattern, 0, keyword, status);
+ 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);
+}
+
+UnicodeString&
+SelectFormat::toPattern(UnicodeString& appendTo) {
+ if (0 == msgPattern.countParts()) {
+ appendTo.setToBogus();
+ } else {
+ appendTo.append(msgPattern.getPatternString());
+ }
+ return appendTo;
+}
+
+
+int32_t SelectFormat::findSubMessage(const MessagePattern& pattern, int32_t partIndex,
+ const UnicodeString& keyword, UErrorCode& ec) {
+ if (U_FAILURE(ec)) {
+ return 0;
+ }
+ UnicodeString other(false, SELECT_KEYWORD_OTHER, 5);
+ int32_t count = pattern.countParts();
+ int32_t msgStart=0;
+ // Iterate over (ARG_SELECTOR, message) pairs until ARG_LIMIT or end of select-only pattern.
+ do {
+ const MessagePattern::Part& part=pattern.getPart(partIndex++);
+ const UMessagePatternPartType type=part.getType();
+ if(type==UMSGPAT_PART_TYPE_ARG_LIMIT) {
+ break;
+ }
+ // part is an ARG_SELECTOR followed by a message
+ if(pattern.partSubstringMatches(part, keyword)) {
+ // keyword matches
+ return partIndex;
+ } else if(msgStart==0 && pattern.partSubstringMatches(part, other)) {
+ msgStart=partIndex;
+ }
+ partIndex=pattern.getLimitPartIndex(partIndex);
+ } while(++partIndex<count);
+ return msgStart;
+}
+
+SelectFormat* SelectFormat::clone() const
+{
+ return new SelectFormat(*this);
+}
+
+SelectFormat&
+SelectFormat::operator=(const SelectFormat& other) {
+ if (this != &other) {
+ msgPattern = other.msgPattern;
+ }
+ return *this;
+}
+
+bool
+SelectFormat::operator==(const Format& other) const {
+ if (this == &other) {
+ return true;
+ }
+ if (!Format::operator==(other)) {
+ return false;
+ }
+ const SelectFormat& o = static_cast<const SelectFormat&>(other);
+ return msgPattern == o.msgPattern;
+}
+
+bool
+SelectFormat::operator!=(const Format& other) const {
+ return !operator==(other);
+}
+
+void
+SelectFormat::parseObject(const UnicodeString& /*source*/,
+ Formattable& /*result*/,
+ ParsePosition& pos) const
+{
+ // Parsing not supported.
+ pos.setErrorIndex(pos.getIndex());
+}
+
+U_NAMESPACE_END
+
+#endif /* #if !UCONFIG_NO_FORMATTING */
+
+//eof