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      1 /*
      2 ************************************************************************
      3 * Copyright (c) 2007-2008, International Business Machines
      4 * Corporation and others.  All Rights Reserved.
      5 ************************************************************************
      6 */
      7 
      8 #include "fldset.h"
      9 #include "intltest.h"
     10 
     11 #if !UCONFIG_NO_FORMATTING
     12 #include "unicode/regex.h"
     13 
     14 
     15 FieldsSet::FieldsSet() {
     16     // NOTREACHED
     17 }
     18 
     19 FieldsSet::FieldsSet(int32_t fieldCount) {
     20     construct((UDebugEnumType)-1, fieldCount);
     21 }
     22 
     23 FieldsSet::FieldsSet(UDebugEnumType field) {
     24     construct(field, udbg_enumCount(field));
     25 }
     26 
     27 FieldsSet::~FieldsSet() {
     28 
     29 }
     30 
     31 int32_t FieldsSet::fieldCount() const {
     32     return fFieldCount;
     33 }
     34 
     35 void FieldsSet::construct(UDebugEnumType field, int32_t fieldCount) {
     36     fEnum = field;
     37     if(fieldCount > U_FIELDS_SET_MAX) {
     38         fieldCount = U_FIELDS_SET_MAX;
     39     }
     40     fFieldCount = fieldCount;
     41     clear();
     42 }
     43 
     44 UnicodeString FieldsSet::diffFrom(const FieldsSet& other, UErrorCode& status) const {
     45     UnicodeString str;
     46     if(!isSameType(other)) {
     47         status = U_ILLEGAL_ARGUMENT_ERROR;
     48         return UnicodeString("U_ILLEGAL_ARGUMENT_ERROR: FieldsSet of a different type!");
     49     }
     50     for (int i=0; i<fieldCount(); i++) {
     51         if (isSet((UCalendarDateFields)i)) {
     52             int32_t myVal = get(i);
     53             int32_t theirVal = other.get(i);
     54 
     55             if(fEnum != -1) {
     56                 const UnicodeString& fieldName = udbg_enumString(
     57                         fEnum, i);
     58 
     59                 str = str + fieldName + UnicodeString("=")+myVal+UnicodeString(" not ")+theirVal+UnicodeString(", ");
     60             } else {
     61                 str = str + UnicodeString("some field") + "=" + myVal+" not " + theirVal+", ";
     62             }
     63         }
     64     }
     65     return str;
     66 }
     67 
     68 static UnicodeString *split(const UnicodeString &src, UChar ch, int32_t &splits)
     69 {
     70     int32_t offset = -1;
     71 
     72     splits = 1;
     73     while((offset = src.indexOf(ch, offset + 1)) >= 0) {
     74         splits += 1;
     75     }
     76 
     77     UnicodeString *result = new UnicodeString[splits];
     78 
     79     int32_t start = 0;
     80     int32_t split = 0;
     81     int32_t end;
     82 
     83     while((end = src.indexOf(ch, start)) >= 0) {
     84         src.extractBetween(start, end, result[split++]);
     85         start = end + 1;
     86     }
     87 
     88     src.extractBetween(start, src.length(), result[split]);
     89 
     90     return result;
     91 }
     92 
     93 int32_t FieldsSet::parseFrom(const UnicodeString& str, const
     94         FieldsSet* inheritFrom, UErrorCode& status) {
     95 
     96     int goodFields = 0;
     97 
     98     if(U_FAILURE(status)) {
     99         return -1;
    100     }
    101 
    102     int32_t destCount = 0;
    103     UnicodeString *dest = split(str, 0x002C /* ',' */, destCount);
    104 
    105     for(int i = 0; i < destCount; i += 1) {
    106         int32_t dc = 0;
    107         UnicodeString *kv = split(dest[i], 0x003D /* '=' */, dc);
    108 
    109         if(dc != 2) {
    110             it_errln(UnicodeString("dc == ") + dc + UnicodeString("?"));
    111         }
    112 
    113         int32_t field = handleParseName(inheritFrom, kv[0], kv[1], status);
    114 
    115         if(U_FAILURE(status)) {
    116             char ch[256];
    117             const UChar *u = kv[0].getBuffer();
    118             int32_t len = kv[0].length();
    119             u_UCharsToChars(u, ch, len);
    120             ch[len] = 0; /* include terminating \0 */
    121             it_errln(UnicodeString("Parse Failed: Field ") + UnicodeString(ch) + UnicodeString(", err ") + UnicodeString(u_errorName(status)));
    122             return -1;
    123         }
    124 
    125         if(field != -1) {
    126             handleParseValue(inheritFrom, field, kv[1], status);
    127 
    128             if(U_FAILURE(status)) {
    129                 char ch[256];
    130                 const UChar *u = kv[1].getBuffer();
    131                 int32_t len = kv[1].length();
    132                 u_UCharsToChars(u, ch, len);
    133                 ch[len] = 0; /* include terminating \0 */
    134                 it_errln(UnicodeString("Parse Failed: Value ") + UnicodeString(ch) + UnicodeString(", err ") + UnicodeString(u_errorName(status)));
    135                 return -1;
    136             }
    137 
    138             goodFields += 1;
    139         }
    140 
    141         delete[] kv;
    142     }
    143 
    144     delete[] dest;
    145 
    146     return goodFields;
    147 }
    148 
    149 UBool FieldsSet::isSameType(const FieldsSet& other) const {
    150     return((&other==this)||
    151            ((other.fFieldCount==fFieldCount) && (other.fEnum==fEnum)));
    152 }
    153 
    154 void FieldsSet::clear() {
    155     for (int i=0; i<fieldCount(); i++) {
    156         fValue[i]=-1;
    157         fIsSet[i]=FALSE;
    158     }
    159 }
    160 
    161 void FieldsSet::clear(int32_t field) {
    162     if (field<0|| field>=fieldCount()) {
    163         return;
    164     }
    165     fValue[field] = -1;
    166     fIsSet[field] = FALSE;
    167 }
    168 void FieldsSet::set(int32_t field, int32_t amount) {
    169     if (field<0|| field>=fieldCount()) {
    170         return;
    171     }
    172     fValue[field] = amount;
    173     fIsSet[field] = TRUE;
    174 }
    175 
    176 UBool FieldsSet::isSet(int32_t field) const {
    177     if (field<0|| field>=fieldCount()) {
    178         return FALSE;
    179     }
    180     return fIsSet[field];
    181 }
    182 int32_t FieldsSet::get(int32_t field) const {
    183     if (field<0|| field>=fieldCount()) {
    184         return -1;
    185     }
    186     return fValue[field];
    187 }
    188 
    189 
    190 int32_t FieldsSet::handleParseName(const FieldsSet* /* inheritFrom */, const UnicodeString& name, const UnicodeString& /* substr*/ , UErrorCode& status) {
    191     if(fEnum > -1) {
    192         int32_t which = udbg_enumByString(fEnum, name);
    193         if(which == UDBG_INVALID_ENUM) {
    194             status = U_UNSUPPORTED_ERROR;
    195         }
    196         return which;
    197     } else {
    198         status = U_UNSUPPORTED_ERROR;
    199         return -1;
    200     }
    201 }
    202 
    203 void FieldsSet::parseValueDefault(const FieldsSet* inheritFrom, int32_t field, const UnicodeString& substr, UErrorCode& status) {
    204     int32_t value = -1;
    205     if(substr.length()==0) { // inherit requested
    206         // inherit
    207         if((inheritFrom == NULL) || !inheritFrom->isSet((UCalendarDateFields)field)) {
    208             // couldn't inherit from field
    209             it_errln(UnicodeString("Parse Failed: Couldn't inherit field ") + field + UnicodeString(" [") + UnicodeString(udbg_enumName(fEnum, field)) + UnicodeString("]"));
    210             status = U_ILLEGAL_ARGUMENT_ERROR;
    211             return;
    212         }
    213         value = inheritFrom->get((UCalendarDateFields)field);
    214     } else {
    215         value = udbg_stoi(substr);
    216     }
    217     set(field, value);
    218 }
    219 
    220 void FieldsSet::parseValueEnum(UDebugEnumType type, const FieldsSet* inheritFrom, int32_t field, const UnicodeString& substr, UErrorCode& status) {
    221     int32_t value = udbg_enumByString(type, substr);
    222     if(value>=0) {
    223         set(field, value);
    224     } else {
    225         // fallback
    226         parseValueDefault(inheritFrom,field,substr,status);
    227     }
    228 }
    229 
    230 void FieldsSet::handleParseValue(const FieldsSet* inheritFrom, int32_t field, const UnicodeString& substr, UErrorCode& status) {
    231     parseValueDefault(inheritFrom, field, substr, status);
    232 }
    233 
    234 /// CAL FIELDS
    235 
    236 
    237 CalendarFieldsSet::CalendarFieldsSet() :
    238 FieldsSet(UDBG_UCalendarDateFields) {
    239     // base class will call clear.
    240 }
    241 
    242 CalendarFieldsSet::~CalendarFieldsSet() {
    243 }
    244 
    245 void CalendarFieldsSet::handleParseValue(const FieldsSet* inheritFrom, int32_t field, const UnicodeString& substr, UErrorCode& status) {
    246     if(field==UCAL_MONTH) {
    247         parseValueEnum(UDBG_UCalendarMonths, inheritFrom, field, substr, status);
    248         // will fallback to default.
    249     } else {
    250         parseValueDefault(inheritFrom, field, substr, status);
    251     }
    252 }
    253 
    254 /**
    255  * set the specified fields on this calendar. Doesn't clear first. Returns any errors the caller
    256  */
    257 void CalendarFieldsSet::setOnCalendar(Calendar *cal, UErrorCode& /*status*/) const {
    258     for (int i=0; i<UDAT_FIELD_COUNT; i++) {
    259         if (isSet((UCalendarDateFields)i)) {
    260             int32_t value = get((UCalendarDateFields)i);
    261             cal->set((UCalendarDateFields)i, value);
    262         }
    263     }
    264 }
    265 
    266 /**
    267  * return true if the calendar matches in these fields
    268  */
    269 UBool CalendarFieldsSet::matches(Calendar *cal, CalendarFieldsSet &diffSet,
    270         UErrorCode& status) const {
    271     UBool match = TRUE;
    272     if (U_FAILURE(status)) {
    273         return FALSE;
    274     }
    275     for (int i=0; i<UDAT_FIELD_COUNT; i++) {
    276         if (isSet((UCalendarDateFields)i)) {
    277             int32_t calVal = cal->get((UCalendarDateFields)i, status);
    278             if (U_FAILURE(status))
    279                 return FALSE;
    280             if (calVal != get((UCalendarDateFields)i)) {
    281                 match = FALSE;
    282                 diffSet.set((UCalendarDateFields)i, calVal);
    283                 //fprintf(stderr, "match failed: %s#%d=%d != %d\n",udbg_enumName(UDBG_UCalendarDateFields,i),i,cal->get((UCalendarDateFields)i,status), get((UCalendarDateFields)i));;
    284             }
    285         }
    286     }
    287     return match;
    288 }
    289 
    290 
    291 /**
    292  * DateTimeStyleSet has two 'fields' -- date, and time.
    293  */
    294 enum DateTimeStyleSetFields {
    295     DTS_DATE = 0,  /** Field one: the date (long, medium, short, etc). */
    296     DTS_TIME,      /** Field two: the time (long, medium, short, etc). */
    297     DTS_COUNT      /** The number of fields */
    298 };
    299 
    300 /**
    301  * DateTimeSet
    302  * */
    303 DateTimeStyleSet::DateTimeStyleSet() :
    304     FieldsSet(DTS_COUNT) {
    305 }
    306 
    307 DateTimeStyleSet::~DateTimeStyleSet() {
    308 
    309 }
    310 
    311 UDateFormatStyle DateTimeStyleSet::getDateStyle() const {
    312     if(!isSet(DTS_DATE)) {
    313         return UDAT_NONE;
    314     } else {
    315         return (UDateFormatStyle)get(DTS_DATE);
    316     }
    317 }
    318 
    319 
    320 UDateFormatStyle DateTimeStyleSet::getTimeStyle() const {
    321     if(!isSet(DTS_TIME)) {
    322         return UDAT_NONE;
    323     } else {
    324         return (UDateFormatStyle)get(DTS_TIME);
    325     }
    326 }
    327 
    328 void DateTimeStyleSet::handleParseValue(const FieldsSet* inheritFrom, int32_t field, const UnicodeString& substr, UErrorCode& status) {
    329     UnicodeString kRELATIVE_("RELATIVE_");
    330     if(substr.startsWith(kRELATIVE_)) {
    331         UnicodeString relativeas(substr,kRELATIVE_.length());
    332         parseValueEnum(UDBG_UDateFormatStyle, inheritFrom, field, relativeas, status);
    333         // fix relative value
    334         if(isSet(field) && U_SUCCESS(status)) {
    335             set(field, get(field) | UDAT_RELATIVE);
    336         }
    337     } else {
    338         parseValueEnum(UDBG_UDateFormatStyle, inheritFrom, field, substr, status);
    339     }
    340 }
    341 
    342 int32_t DateTimeStyleSet::handleParseName(const FieldsSet* /* inheritFrom */, const UnicodeString& name, const UnicodeString& /* substr */, UErrorCode& status) {
    343     UnicodeString kDATE("DATE"); // TODO: static
    344     UnicodeString kTIME("TIME"); // TODO: static
    345     if(name == kDATE ) {
    346         return DTS_DATE;
    347     } else if(name == kTIME) {
    348         return DTS_TIME;
    349     } else {
    350         status = U_ILLEGAL_ARGUMENT_ERROR;
    351         return -1;
    352     }
    353 }
    354 
    355 #endif /*!UCONFIG_NO_FORMAT*/
    356