import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

intl/icu/source/i18n/selfmt.cpp

@@ -0,0 +1,197 @@
+// Copyright (C) 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 UChar 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, NULL, 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;
+}
+
+Format* SelectFormat::clone() const
+{
+    return new SelectFormat(*this);
+}
+
+SelectFormat&
+SelectFormat::operator=(const SelectFormat& other) {
+    if (this != &other) {
+        msgPattern = other.msgPattern;
+    }
+    return *this;
+}
+
+UBool
+SelectFormat::operator==(const Format& other) const {
+    if (this == &other) {
+        return TRUE;
+    }
+    if (!Format::operator==(other)) {
+        return FALSE;
+    }
+    const SelectFormat& o = (const SelectFormat&)other;
+    return msgPattern == o.msgPattern;
+}
+
+UBool
+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