| 1 | // © 2016 and later: Unicode, Inc. and others. |
| 2 | // License & terms of use: http://www.unicode.org/copyright.html |
| 3 | /* |
| 4 | ******************************************************************************* |
| 5 | * Copyright (C) 1997-2012, International Business Machines Corporation and * |
| 6 | * others. All Rights Reserved. * |
| 7 | ******************************************************************************* |
| 8 | * |
| 9 | * File FORMAT.CPP |
| 10 | * |
| 11 | * Modification History: |
| 12 | * |
| 13 | * Date Name Description |
| 14 | * 02/19/97 aliu Converted from java. |
| 15 | * 03/17/97 clhuang Implemented with new APIs. |
| 16 | * 03/27/97 helena Updated to pass the simple test after code review. |
| 17 | * 07/20/98 stephen Added explicit init values for Field/ParsePosition |
| 18 | ******************************************************************************** |
| 19 | */ |
| 20 | // ***************************************************************************** |
| 21 | // This file was generated from the java source file Format.java |
| 22 | // ***************************************************************************** |
| 23 | |
| 24 | #include "utypeinfo.h" // for 'typeid' to work |
| 25 | |
| 26 | #include "unicode/utypes.h" |
| 27 | |
| 28 | #ifndef U_I18N_IMPLEMENTATION |
| 29 | #error U_I18N_IMPLEMENTATION not set - must be set for all ICU source files in i18n/ - see http://userguide.icu-project.org/howtouseicu |
| 30 | #endif |
| 31 | |
| 32 | /* |
| 33 | * Dummy code: |
| 34 | * If all modules in the I18N library are switched off, then there are no |
| 35 | * library exports and MSVC 6 writes a .dll but not a .lib file. |
| 36 | * Unless we export _something_ in that case... |
| 37 | */ |
| 38 | #if UCONFIG_NO_COLLATION && UCONFIG_NO_FORMATTING && UCONFIG_NO_TRANSLITERATION |
| 39 | U_CAPI int32_t U_EXPORT2 |
| 40 | uprv_icuin_lib_dummy(int32_t i) { |
| 41 | return -i; |
| 42 | } |
| 43 | #endif |
| 44 | |
| 45 | /* Format class implementation ---------------------------------------------- */ |
| 46 | |
| 47 | #if !UCONFIG_NO_FORMATTING |
| 48 | |
| 49 | #include "unicode/format.h" |
| 50 | #include "unicode/ures.h" |
| 51 | #include "cstring.h" |
| 52 | #include "locbased.h" |
| 53 | |
| 54 | // ***************************************************************************** |
| 55 | // class Format |
| 56 | // ***************************************************************************** |
| 57 | |
| 58 | U_NAMESPACE_BEGIN |
| 59 | |
| 60 | UOBJECT_DEFINE_RTTI_IMPLEMENTATION(FieldPosition) |
| 61 | |
| 62 | FieldPosition::~FieldPosition() {} |
| 63 | |
| 64 | FieldPosition * |
| 65 | FieldPosition::clone() const { |
| 66 | return new FieldPosition(*this); |
| 67 | } |
| 68 | |
| 69 | // ------------------------------------- |
| 70 | // default constructor |
| 71 | |
| 72 | Format::Format() |
| 73 | : UObject() |
| 74 | { |
| 75 | *validLocale = *actualLocale = 0; |
| 76 | } |
| 77 | |
| 78 | // ------------------------------------- |
| 79 | |
| 80 | Format::~Format() |
| 81 | { |
| 82 | } |
| 83 | |
| 84 | // ------------------------------------- |
| 85 | // copy constructor |
| 86 | |
| 87 | Format::Format(const Format &that) |
| 88 | : UObject(that) |
| 89 | { |
| 90 | *this = that; |
| 91 | } |
| 92 | |
| 93 | // ------------------------------------- |
| 94 | // assignment operator |
| 95 | |
| 96 | Format& |
| 97 | Format::operator=(const Format& that) |
| 98 | { |
| 99 | if (this != &that) { |
| 100 | uprv_strcpy(validLocale, that.validLocale); |
| 101 | uprv_strcpy(actualLocale, that.actualLocale); |
| 102 | } |
| 103 | return *this; |
| 104 | } |
| 105 | |
| 106 | // ------------------------------------- |
| 107 | // Formats the obj and append the result in the buffer, toAppendTo. |
| 108 | // This calls the actual implementation in the concrete subclasses. |
| 109 | |
| 110 | UnicodeString& |
| 111 | Format::format(const Formattable& obj, |
| 112 | UnicodeString& toAppendTo, |
| 113 | UErrorCode& status) const |
| 114 | { |
| 115 | if (U_FAILURE(status)) return toAppendTo; |
| 116 | |
| 117 | FieldPosition pos(FieldPosition::DONT_CARE); |
| 118 | |
| 119 | return format(obj, toAppendTo, pos, status); |
| 120 | } |
| 121 | |
| 122 | // ------------------------------------- |
| 123 | // Default implementation sets unsupported error; subclasses should |
| 124 | // override. |
| 125 | |
| 126 | UnicodeString& |
| 127 | Format::format(const Formattable& /* unused obj */, |
| 128 | UnicodeString& toAppendTo, |
| 129 | FieldPositionIterator* /* unused posIter */, |
| 130 | UErrorCode& status) const |
| 131 | { |
| 132 | if (!U_FAILURE(status)) { |
| 133 | status = U_UNSUPPORTED_ERROR; |
| 134 | } |
| 135 | return toAppendTo; |
| 136 | } |
| 137 | |
| 138 | // ------------------------------------- |
| 139 | // Parses the source string and create the corresponding |
| 140 | // result object. Checks the parse position for errors. |
| 141 | |
| 142 | void |
| 143 | Format::parseObject(const UnicodeString& source, |
| 144 | Formattable& result, |
| 145 | UErrorCode& status) const |
| 146 | { |
| 147 | if (U_FAILURE(status)) return; |
| 148 | |
| 149 | ParsePosition parsePosition(0); |
| 150 | parseObject(source, result, parsePosition); |
| 151 | if (parsePosition.getIndex() == 0) { |
| 152 | status = U_INVALID_FORMAT_ERROR; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | // ------------------------------------- |
| 157 | |
| 158 | UBool |
| 159 | Format::operator==(const Format& that) const |
| 160 | { |
| 161 | // Subclasses: Call this method and then add more specific checks. |
| 162 | return typeid(*this) == typeid(that); |
| 163 | } |
| 164 | //--------------------------------------- |
| 165 | |
| 166 | /** |
| 167 | * Simple function for initializing a UParseError from a UnicodeString. |
| 168 | * |
| 169 | * @param pattern The pattern to copy into the parseError |
| 170 | * @param pos The position in pattern where the error occured |
| 171 | * @param parseError The UParseError object to fill in |
| 172 | * @draft ICU 2.4 |
| 173 | */ |
| 174 | void Format::syntaxError(const UnicodeString& pattern, |
| 175 | int32_t pos, |
| 176 | UParseError& parseError) { |
| 177 | parseError.offset = pos; |
| 178 | parseError.line=0; // we are not using line number |
| 179 | |
| 180 | // for pre-context |
| 181 | int32_t start = (pos < U_PARSE_CONTEXT_LEN)? 0 : (pos - (U_PARSE_CONTEXT_LEN-1 |
| 182 | /* subtract 1 so that we have room for null*/)); |
| 183 | int32_t stop = pos; |
| 184 | pattern.extract(start,stop-start,parseError.preContext,0); |
| 185 | //null terminate the buffer |
| 186 | parseError.preContext[stop-start] = 0; |
| 187 | |
| 188 | //for post-context |
| 189 | start = pos+1; |
| 190 | stop = ((pos+U_PARSE_CONTEXT_LEN)<=pattern.length()) ? (pos+(U_PARSE_CONTEXT_LEN-1)) : |
| 191 | pattern.length(); |
| 192 | pattern.extract(start,stop-start,parseError.postContext,0); |
| 193 | //null terminate the buffer |
| 194 | parseError.postContext[stop-start]= 0; |
| 195 | } |
| 196 | |
| 197 | Locale |
| 198 | Format::getLocale(ULocDataLocaleType type, UErrorCode& status) const { |
| 199 | U_LOCALE_BASED(locBased, *this); |
| 200 | return locBased.getLocale(type, status); |
| 201 | } |
| 202 | |
| 203 | const char * |
| 204 | Format::getLocaleID(ULocDataLocaleType type, UErrorCode& status) const { |
| 205 | U_LOCALE_BASED(locBased, *this); |
| 206 | return locBased.getLocaleID(type, status); |
| 207 | } |
| 208 | |
| 209 | void |
| 210 | Format::setLocaleIDs(const char* valid, const char* actual) { |
| 211 | U_LOCALE_BASED(locBased, *this); |
| 212 | locBased.setLocaleIDs(valid, actual); |
| 213 | } |
| 214 | |
| 215 | U_NAMESPACE_END |
| 216 | |
| 217 | #endif /* #if !UCONFIG_NO_FORMATTING */ |
| 218 | |
| 219 | //eof |
| 220 | |