| /* |
| ******************************************************************************* |
| * |
| * Copyright (C) 2013-2015, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| * |
| ******************************************************************************* |
| * file name: listformatter.cpp |
| * encoding: US-ASCII |
| * tab size: 8 (not used) |
| * indentation:4 |
| * |
| * created on: 2012aug27 |
| * created by: Umesh P. Nair |
| */ |
| |
| #include "starboard/client_porting/poem/string_poem.h" |
| #include "unicode/listformatter.h" |
| #include "simplepatternformatter.h" |
| #include "mutex.h" |
| #include "hash.h" |
| #include "cstring.h" |
| #include "ulocimp.h" |
| #include "charstr.h" |
| #include "ucln_cmn.h" |
| #include "uresimp.h" |
| |
| U_NAMESPACE_BEGIN |
| |
| struct ListFormatInternal : public UMemory { |
| SimplePatternFormatter twoPattern; |
| SimplePatternFormatter startPattern; |
| SimplePatternFormatter middlePattern; |
| SimplePatternFormatter endPattern; |
| |
| ListFormatInternal( |
| const UnicodeString& two, |
| const UnicodeString& start, |
| const UnicodeString& middle, |
| const UnicodeString& end, |
| UErrorCode &errorCode) : |
| twoPattern(two, 2, 2, errorCode), |
| startPattern(start, 2, 2, errorCode), |
| middlePattern(middle, 2, 2, errorCode), |
| endPattern(end, 2, 2, errorCode) {} |
| |
| ListFormatInternal(const ListFormatData &data) : |
| twoPattern(data.twoPattern), |
| startPattern(data.startPattern), |
| middlePattern(data.middlePattern), |
| endPattern(data.endPattern) { } |
| |
| ListFormatInternal(const ListFormatInternal &other) : |
| twoPattern(other.twoPattern), |
| startPattern(other.startPattern), |
| middlePattern(other.middlePattern), |
| endPattern(other.endPattern) { } |
| }; |
| |
| |
| |
| static Hashtable* listPatternHash = NULL; |
| static UMutex listFormatterMutex = U_MUTEX_INITIALIZER; |
| static const char *STANDARD_STYLE = "standard"; |
| |
| U_CDECL_BEGIN |
| static UBool U_CALLCONV uprv_listformatter_cleanup() { |
| delete listPatternHash; |
| listPatternHash = NULL; |
| return TRUE; |
| } |
| |
| static void U_CALLCONV |
| uprv_deleteListFormatInternal(void *obj) { |
| delete static_cast<ListFormatInternal *>(obj); |
| } |
| |
| U_CDECL_END |
| |
| static ListFormatInternal* loadListFormatInternal( |
| const Locale& locale, |
| const char* style, |
| UErrorCode& errorCode); |
| |
| static void getStringByKey( |
| const UResourceBundle* rb, |
| const char* key, |
| UnicodeString& result, |
| UErrorCode& errorCode); |
| |
| ListFormatter::ListFormatter(const ListFormatter& other) : |
| owned(other.owned), data(other.data) { |
| if (other.owned != NULL) { |
| owned = new ListFormatInternal(*other.owned); |
| data = owned; |
| } |
| } |
| |
| ListFormatter& ListFormatter::operator=(const ListFormatter& other) { |
| if (this == &other) { |
| return *this; |
| } |
| delete owned; |
| if (other.owned) { |
| owned = new ListFormatInternal(*other.owned); |
| data = owned; |
| } else { |
| owned = NULL; |
| data = other.data; |
| } |
| return *this; |
| } |
| |
| void ListFormatter::initializeHash(UErrorCode& errorCode) { |
| if (U_FAILURE(errorCode)) { |
| return; |
| } |
| |
| listPatternHash = new Hashtable(); |
| if (listPatternHash == NULL) { |
| errorCode = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| |
| listPatternHash->setValueDeleter(uprv_deleteListFormatInternal); |
| ucln_common_registerCleanup(UCLN_COMMON_LIST_FORMATTER, uprv_listformatter_cleanup); |
| |
| } |
| |
| const ListFormatInternal* ListFormatter::getListFormatInternal( |
| const Locale& locale, const char *style, UErrorCode& errorCode) { |
| if (U_FAILURE(errorCode)) { |
| return NULL; |
| } |
| CharString keyBuffer(locale.getName(), errorCode); |
| keyBuffer.append(':', errorCode).append(style, errorCode); |
| UnicodeString key(keyBuffer.data(), -1, US_INV); |
| ListFormatInternal* result = NULL; |
| { |
| Mutex m(&listFormatterMutex); |
| if (listPatternHash == NULL) { |
| initializeHash(errorCode); |
| if (U_FAILURE(errorCode)) { |
| return NULL; |
| } |
| } |
| result = static_cast<ListFormatInternal*>(listPatternHash->get(key)); |
| } |
| if (result != NULL) { |
| return result; |
| } |
| result = loadListFormatInternal(locale, style, errorCode); |
| if (U_FAILURE(errorCode)) { |
| return NULL; |
| } |
| |
| { |
| Mutex m(&listFormatterMutex); |
| ListFormatInternal* temp = static_cast<ListFormatInternal*>(listPatternHash->get(key)); |
| if (temp != NULL) { |
| delete result; |
| result = temp; |
| } else { |
| listPatternHash->put(key, result, errorCode); |
| if (U_FAILURE(errorCode)) { |
| return NULL; |
| } |
| } |
| } |
| return result; |
| } |
| |
| static ListFormatInternal* loadListFormatInternal( |
| const Locale& locale, const char * style, UErrorCode& errorCode) { |
| UResourceBundle* rb = ures_open(NULL, locale.getName(), &errorCode); |
| if (U_FAILURE(errorCode)) { |
| ures_close(rb); |
| return NULL; |
| } |
| rb = ures_getByKeyWithFallback(rb, "listPattern", rb, &errorCode); |
| rb = ures_getByKeyWithFallback(rb, style, rb, &errorCode); |
| |
| if (U_FAILURE(errorCode)) { |
| ures_close(rb); |
| return NULL; |
| } |
| UnicodeString two, start, middle, end; |
| getStringByKey(rb, "2", two, errorCode); |
| getStringByKey(rb, "start", start, errorCode); |
| getStringByKey(rb, "middle", middle, errorCode); |
| getStringByKey(rb, "end", end, errorCode); |
| ures_close(rb); |
| if (U_FAILURE(errorCode)) { |
| return NULL; |
| } |
| ListFormatInternal* result = new ListFormatInternal(two, start, middle, end, errorCode); |
| if (result == NULL) { |
| errorCode = U_MEMORY_ALLOCATION_ERROR; |
| return NULL; |
| } |
| if (U_FAILURE(errorCode)) { |
| delete result; |
| return NULL; |
| } |
| return result; |
| } |
| |
| static void getStringByKey(const UResourceBundle* rb, const char* key, UnicodeString& result, UErrorCode& errorCode) { |
| int32_t len; |
| const UChar* ustr = ures_getStringByKeyWithFallback(rb, key, &len, &errorCode); |
| if (U_FAILURE(errorCode)) { |
| return; |
| } |
| result.setTo(ustr, len); |
| } |
| |
| ListFormatter* ListFormatter::createInstance(UErrorCode& errorCode) { |
| Locale locale; // The default locale. |
| return createInstance(locale, errorCode); |
| } |
| |
| ListFormatter* ListFormatter::createInstance(const Locale& locale, UErrorCode& errorCode) { |
| return createInstance(locale, STANDARD_STYLE, errorCode); |
| } |
| |
| ListFormatter* ListFormatter::createInstance(const Locale& locale, const char *style, UErrorCode& errorCode) { |
| Locale tempLocale = locale; |
| const ListFormatInternal* listFormatInternal = getListFormatInternal(tempLocale, style, errorCode); |
| if (U_FAILURE(errorCode)) { |
| return NULL; |
| } |
| ListFormatter* p = new ListFormatter(listFormatInternal); |
| if (p == NULL) { |
| errorCode = U_MEMORY_ALLOCATION_ERROR; |
| return NULL; |
| } |
| return p; |
| } |
| |
| ListFormatter::ListFormatter(const ListFormatData& listFormatData) { |
| owned = new ListFormatInternal(listFormatData); |
| data = owned; |
| } |
| |
| ListFormatter::ListFormatter(const ListFormatInternal* listFormatterInternal) : owned(NULL), data(listFormatterInternal) { |
| } |
| |
| ListFormatter::~ListFormatter() { |
| delete owned; |
| } |
| |
| /** |
| * Joins first and second using the pattern pat. |
| * On entry offset is an offset into first or -1 if offset unspecified. |
| * On exit offset is offset of second in result if recordOffset was set |
| * Otherwise if it was >=0 it is set to point into result where it used |
| * to point into first. On exit, result is the join of first and second |
| * according to pat. Any previous value of result gets replaced. |
| */ |
| static void joinStringsAndReplace( |
| const SimplePatternFormatter& pat, |
| const UnicodeString& first, |
| const UnicodeString& second, |
| UnicodeString &result, |
| UBool recordOffset, |
| int32_t &offset, |
| UErrorCode& errorCode) { |
| if (U_FAILURE(errorCode)) { |
| return; |
| } |
| const UnicodeString *params[2] = {&first, &second}; |
| int32_t offsets[2]; |
| pat.formatAndReplace( |
| params, |
| UPRV_LENGTHOF(params), |
| result, |
| offsets, |
| UPRV_LENGTHOF(offsets), |
| errorCode); |
| if (U_FAILURE(errorCode)) { |
| return; |
| } |
| if (offsets[0] == -1 || offsets[1] == -1) { |
| errorCode = U_INVALID_FORMAT_ERROR; |
| return; |
| } |
| if (recordOffset) { |
| offset = offsets[1]; |
| } else if (offset >= 0) { |
| offset += offsets[0]; |
| } |
| } |
| |
| UnicodeString& ListFormatter::format( |
| const UnicodeString items[], |
| int32_t nItems, |
| UnicodeString& appendTo, |
| UErrorCode& errorCode) const { |
| int32_t offset; |
| return format(items, nItems, appendTo, -1, offset, errorCode); |
| } |
| |
| UnicodeString& ListFormatter::format( |
| const UnicodeString items[], |
| int32_t nItems, |
| UnicodeString& appendTo, |
| int32_t index, |
| int32_t &offset, |
| UErrorCode& errorCode) const { |
| offset = -1; |
| if (U_FAILURE(errorCode)) { |
| return appendTo; |
| } |
| if (data == NULL) { |
| errorCode = U_INVALID_STATE_ERROR; |
| return appendTo; |
| } |
| |
| if (nItems <= 0) { |
| return appendTo; |
| } |
| if (nItems == 1) { |
| if (index == 0) { |
| offset = appendTo.length(); |
| } |
| appendTo.append(items[0]); |
| return appendTo; |
| } |
| UnicodeString result(items[0]); |
| if (index == 0) { |
| offset = 0; |
| } |
| joinStringsAndReplace( |
| nItems == 2 ? data->twoPattern : data->startPattern, |
| result, |
| items[1], |
| result, |
| index == 1, |
| offset, |
| errorCode); |
| if (nItems > 2) { |
| for (int32_t i = 2; i < nItems - 1; ++i) { |
| joinStringsAndReplace( |
| data->middlePattern, |
| result, |
| items[i], |
| result, |
| index == i, |
| offset, |
| errorCode); |
| } |
| joinStringsAndReplace( |
| data->endPattern, |
| result, |
| items[nItems - 1], |
| result, |
| index == nItems - 1, |
| offset, |
| errorCode); |
| } |
| if (U_SUCCESS(errorCode)) { |
| if (offset >= 0) { |
| offset += appendTo.length(); |
| } |
| appendTo += result; |
| } |
| return appendTo; |
| } |
| |
| U_NAMESPACE_END |
