intl/icu/source/i18n/selfmt.cpp@b8a032363ba2 (annotated)
intl/icu/source/i18n/selfmt.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /******************************************************************** |
| michael@0 | 2 | * COPYRIGHT: |
| michael@0 | 3 | * Copyright (c) 1997-2012, International Business Machines Corporation and |
| michael@0 | 4 | * others. All Rights Reserved. |
| michael@0 | 5 | * Copyright (C) 2010 , Yahoo! Inc. |
| michael@0 | 6 | ******************************************************************** |
| michael@0 | 7 | * |
| michael@0 | 8 | * File SELFMT.CPP |
| michael@0 | 9 | * |
| michael@0 | 10 | * Modification History: |
| michael@0 | 11 | * |
| michael@0 | 12 | * Date Name Description |
| michael@0 | 13 | * 11/11/09 kirtig Finished first cut of implementation. |
| michael@0 | 14 | * 11/16/09 kirtig Improved version |
| michael@0 | 15 | ********************************************************************/ |
| michael@0 | 16 | |
| michael@0 | 17 | #include "utypeinfo.h" // for 'typeid' to work |
| michael@0 | 18 | |
| michael@0 | 19 | #include "unicode/messagepattern.h" |
| michael@0 | 20 | #include "unicode/rbnf.h" |
| michael@0 | 21 | #include "unicode/selfmt.h" |
| michael@0 | 22 | #include "unicode/uchar.h" |
| michael@0 | 23 | #include "unicode/ucnv_err.h" |
| michael@0 | 24 | #include "unicode/umsg.h" |
| michael@0 | 25 | #include "unicode/ustring.h" |
| michael@0 | 26 | #include "unicode/utypes.h" |
| michael@0 | 27 | #include "cmemory.h" |
| michael@0 | 28 | #include "messageimpl.h" |
| michael@0 | 29 | #include "patternprops.h" |
| michael@0 | 30 | #include "selfmtimpl.h" |
| michael@0 | 31 | #include "uassert.h" |
| michael@0 | 32 | #include "ustrfmt.h" |
| michael@0 | 33 | #include "util.h" |
| michael@0 | 34 | #include "uvector.h" |
| michael@0 | 35 | |
| michael@0 | 36 | #if !UCONFIG_NO_FORMATTING |
| michael@0 | 37 | |
| michael@0 | 38 | U_NAMESPACE_BEGIN |
| michael@0 | 39 | |
| michael@0 | 40 | UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SelectFormat) |
| michael@0 | 41 | |
| michael@0 | 42 | static const UChar SELECT_KEYWORD_OTHER[] = {LOW_O, LOW_T, LOW_H, LOW_E, LOW_R, 0}; |
| michael@0 | 43 | |
| michael@0 | 44 | SelectFormat::SelectFormat(const UnicodeString& pat, |
| michael@0 | 45 | UErrorCode& status) : msgPattern(status) { |
| michael@0 | 46 | applyPattern(pat, status); |
| michael@0 | 47 | } |
| michael@0 | 48 | |
| michael@0 | 49 | SelectFormat::SelectFormat(const SelectFormat& other) : Format(other), |
| michael@0 | 50 | msgPattern(other.msgPattern) { |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | SelectFormat::~SelectFormat() { |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | void |
| michael@0 | 57 | SelectFormat::applyPattern(const UnicodeString& newPattern, UErrorCode& status) { |
| michael@0 | 58 | if (U_FAILURE(status)) { |
| michael@0 | 59 | return; |
| michael@0 | 60 | } |
| michael@0 | 61 | |
| michael@0 | 62 | msgPattern.parseSelectStyle(newPattern, NULL, status); |
| michael@0 | 63 | if (U_FAILURE(status)) { |
| michael@0 | 64 | msgPattern.clear(); |
| michael@0 | 65 | } |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | UnicodeString& |
| michael@0 | 69 | SelectFormat::format(const Formattable& obj, |
| michael@0 | 70 | UnicodeString& appendTo, |
| michael@0 | 71 | FieldPosition& pos, |
| michael@0 | 72 | UErrorCode& status) const |
| michael@0 | 73 | { |
| michael@0 | 74 | if (U_FAILURE(status)) { |
| michael@0 | 75 | return appendTo; |
| michael@0 | 76 | } |
| michael@0 | 77 | if (obj.getType() == Formattable::kString) { |
| michael@0 | 78 | return format(obj.getString(status), appendTo, pos, status); |
| michael@0 | 79 | } else { |
| michael@0 | 80 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| michael@0 | 81 | return appendTo; |
| michael@0 | 82 | } |
| michael@0 | 83 | } |
| michael@0 | 84 | |
| michael@0 | 85 | UnicodeString& |
| michael@0 | 86 | SelectFormat::format(const UnicodeString& keyword, |
| michael@0 | 87 | UnicodeString& appendTo, |
| michael@0 | 88 | FieldPosition& /*pos */, |
| michael@0 | 89 | UErrorCode& status) const { |
| michael@0 | 90 | if (U_FAILURE(status)) { |
| michael@0 | 91 | return appendTo; |
| michael@0 | 92 | } |
| michael@0 | 93 | // Check for the validity of the keyword |
| michael@0 | 94 | if (!PatternProps::isIdentifier(keyword.getBuffer(), keyword.length())) { |
| michael@0 | 95 | status = U_ILLEGAL_ARGUMENT_ERROR; // Invalid formatting argument. |
| michael@0 | 96 | } |
| michael@0 | 97 | if (msgPattern.countParts() == 0) { |
| michael@0 | 98 | status = U_INVALID_STATE_ERROR; |
| michael@0 | 99 | return appendTo; |
| michael@0 | 100 | } |
| michael@0 | 101 | int32_t msgStart = findSubMessage(msgPattern, 0, keyword, status); |
| michael@0 | 102 | if (!MessageImpl::jdkAposMode(msgPattern)) { |
| michael@0 | 103 | int32_t patternStart = msgPattern.getPart(msgStart).getLimit(); |
| michael@0 | 104 | int32_t msgLimit = msgPattern.getLimitPartIndex(msgStart); |
| michael@0 | 105 | appendTo.append(msgPattern.getPatternString(), |
| michael@0 | 106 | patternStart, |
| michael@0 | 107 | msgPattern.getPatternIndex(msgLimit) - patternStart); |
| michael@0 | 108 | return appendTo; |
| michael@0 | 109 | } |
| michael@0 | 110 | // JDK compatibility mode: Remove SKIP_SYNTAX. |
| michael@0 | 111 | return MessageImpl::appendSubMessageWithoutSkipSyntax(msgPattern, msgStart, appendTo); |
| michael@0 | 112 | } |
| michael@0 | 113 | |
| michael@0 | 114 | UnicodeString& |
| michael@0 | 115 | SelectFormat::toPattern(UnicodeString& appendTo) { |
| michael@0 | 116 | if (0 == msgPattern.countParts()) { |
| michael@0 | 117 | appendTo.setToBogus(); |
| michael@0 | 118 | } else { |
| michael@0 | 119 | appendTo.append(msgPattern.getPatternString()); |
| michael@0 | 120 | } |
| michael@0 | 121 | return appendTo; |
| michael@0 | 122 | } |
| michael@0 | 123 | |
| michael@0 | 124 | |
| michael@0 | 125 | int32_t SelectFormat::findSubMessage(const MessagePattern& pattern, int32_t partIndex, |
| michael@0 | 126 | const UnicodeString& keyword, UErrorCode& ec) { |
| michael@0 | 127 | if (U_FAILURE(ec)) { |
| michael@0 | 128 | return 0; |
| michael@0 | 129 | } |
| michael@0 | 130 | UnicodeString other(FALSE, SELECT_KEYWORD_OTHER, 5); |
| michael@0 | 131 | int32_t count = pattern.countParts(); |
| michael@0 | 132 | int32_t msgStart=0; |
| michael@0 | 133 | // Iterate over (ARG_SELECTOR, message) pairs until ARG_LIMIT or end of select-only pattern. |
| michael@0 | 134 | do { |
| michael@0 | 135 | const MessagePattern::Part& part=pattern.getPart(partIndex++); |
| michael@0 | 136 | const UMessagePatternPartType type=part.getType(); |
| michael@0 | 137 | if(type==UMSGPAT_PART_TYPE_ARG_LIMIT) { |
| michael@0 | 138 | break; |
| michael@0 | 139 | } |
| michael@0 | 140 | // part is an ARG_SELECTOR followed by a message |
| michael@0 | 141 | if(pattern.partSubstringMatches(part, keyword)) { |
| michael@0 | 142 | // keyword matches |
| michael@0 | 143 | return partIndex; |
| michael@0 | 144 | } else if(msgStart==0 && pattern.partSubstringMatches(part, other)) { |
| michael@0 | 145 | msgStart=partIndex; |
| michael@0 | 146 | } |
| michael@0 | 147 | partIndex=pattern.getLimitPartIndex(partIndex); |
| michael@0 | 148 | } while(++partIndex<count); |
| michael@0 | 149 | return msgStart; |
| michael@0 | 150 | } |
| michael@0 | 151 | |
| michael@0 | 152 | Format* SelectFormat::clone() const |
| michael@0 | 153 | { |
| michael@0 | 154 | return new SelectFormat(*this); |
| michael@0 | 155 | } |
| michael@0 | 156 | |
| michael@0 | 157 | SelectFormat& |
| michael@0 | 158 | SelectFormat::operator=(const SelectFormat& other) { |
| michael@0 | 159 | if (this != &other) { |
| michael@0 | 160 | msgPattern = other.msgPattern; |
| michael@0 | 161 | } |
| michael@0 | 162 | return *this; |
| michael@0 | 163 | } |
| michael@0 | 164 | |
| michael@0 | 165 | UBool |
| michael@0 | 166 | SelectFormat::operator==(const Format& other) const { |
| michael@0 | 167 | if (this == &other) { |
| michael@0 | 168 | return TRUE; |
| michael@0 | 169 | } |
| michael@0 | 170 | if (!Format::operator==(other)) { |
| michael@0 | 171 | return FALSE; |
| michael@0 | 172 | } |
| michael@0 | 173 | const SelectFormat& o = (const SelectFormat&)other; |
| michael@0 | 174 | return msgPattern == o.msgPattern; |
| michael@0 | 175 | } |
| michael@0 | 176 | |
| michael@0 | 177 | UBool |
| michael@0 | 178 | SelectFormat::operator!=(const Format& other) const { |
| michael@0 | 179 | return !operator==(other); |
| michael@0 | 180 | } |
| michael@0 | 181 | |
| michael@0 | 182 | void |
| michael@0 | 183 | SelectFormat::parseObject(const UnicodeString& /*source*/, |
| michael@0 | 184 | Formattable& /*result*/, |
| michael@0 | 185 | ParsePosition& pos) const |
| michael@0 | 186 | { |
| michael@0 | 187 | // Parsing not supported. |
| michael@0 | 188 | pos.setErrorIndex(pos.getIndex()); |
| michael@0 | 189 | } |
| michael@0 | 190 | |
| michael@0 | 191 | U_NAMESPACE_END |
| michael@0 | 192 | |
| michael@0 | 193 | #endif /* #if !UCONFIG_NO_FORMATTING */ |
| michael@0 | 194 | |
| michael@0 | 195 | //eof |
