The Tor Browser: comparison intl/icu/source/common/listformatter.cpp

--1:000000000000
+:04dd2fc5c765
+/*
+*******************************************************************************
+*
+*   Copyright (C) 2013, 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 "unicode/listformatter.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
+static Hashtable* listPatternHash = NULL;
+static UMutex listFormatterMutex = U_MUTEX_INITIALIZER;
+static UChar FIRST_PARAMETER[] = { 0x7b, 0x30, 0x7d };  // "{0}"
+static UChar SECOND_PARAMETER[] = { 0x7b, 0x31, 0x7d };  // "{0}"
+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_deleteListFormatData(void *obj) {
+delete static_cast<ListFormatData *>(obj);
+}
+U_CDECL_END
+static ListFormatData* loadListFormatData(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) : data(other.data) {
+}
+ListFormatter& ListFormatter::operator=(const ListFormatter& other) {
+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_deleteListFormatData);
+ucln_common_registerCleanup(UCLN_COMMON_LIST_FORMATTER, uprv_listformatter_cleanup);
+}
+const ListFormatData* ListFormatter::getListFormatData(
+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);
+ListFormatData* result = NULL;
+{
+Mutex m(&listFormatterMutex);
+if (listPatternHash == NULL) {
+initializeHash(errorCode);
+if (U_FAILURE(errorCode)) {
+return NULL;
+}
+}
+result = static_cast<ListFormatData*>(listPatternHash->get(key));
+}
+if (result != NULL) {
+return result;
+}
+result = loadListFormatData(locale, style, errorCode);
+if (U_FAILURE(errorCode)) {
+return NULL;
+}
+{
+Mutex m(&listFormatterMutex);
+ListFormatData* temp = static_cast<ListFormatData*>(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 ListFormatData* loadListFormatData(
+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);
+// TODO(Travis Keep): This is a hack until fallbacks can be added for
+// listPattern/duration and listPattern/duration-narrow in CLDR.
+if (errorCode == U_MISSING_RESOURCE_ERROR) {
+errorCode = U_ZERO_ERROR;
+rb = ures_getByKeyWithFallback(rb, "standard", 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;
+}
+ListFormatData* result = new ListFormatData(two, start, middle, end);
+if (result == NULL) {
+errorCode = U_MEMORY_ALLOCATION_ERROR;
+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 ListFormatData* listFormatData = getListFormatData(tempLocale, style, errorCode);
+if (U_FAILURE(errorCode)) {
+return NULL;
+}
+ListFormatter* p = new ListFormatter(listFormatData);
+if (p == NULL) {
+errorCode = U_MEMORY_ALLOCATION_ERROR;
+return NULL;
+}
+return p;
+}
+ListFormatter::ListFormatter(const ListFormatData* listFormatterData) : data(listFormatterData) {
+}
+ListFormatter::~ListFormatter() {}
+UnicodeString& ListFormatter::format(const UnicodeString items[], int32_t nItems,
+UnicodeString& appendTo, UErrorCode& errorCode) const {
+if (U_FAILURE(errorCode)) {
+return appendTo;
+}
+if (data == NULL) {
+errorCode = U_INVALID_STATE_ERROR;
+return appendTo;
+}
+if (nItems > 0) {
+UnicodeString newString = items[0];
+if (nItems == 2) {
+addNewString(data->twoPattern, newString, items[1], errorCode);
+} else if (nItems > 2) {
+addNewString(data->startPattern, newString, items[1], errorCode);
+int32_t i;
+for (i = 2; i < nItems - 1; ++i) {
+addNewString(data->middlePattern, newString, items[i], errorCode);
+}
+addNewString(data->endPattern, newString, items[nItems - 1], errorCode);
+}
+if (U_SUCCESS(errorCode)) {
+appendTo += newString;
+}
+}
+return appendTo;
+}
+/**
+* Joins originalString and nextString using the pattern pat and puts the result in
+* originalString.
+*/
+void ListFormatter::addNewString(const UnicodeString& pat, UnicodeString& originalString,
+const UnicodeString& nextString, UErrorCode& errorCode) const {
+if (U_FAILURE(errorCode)) {
+return;
+}
+int32_t p0Offset = pat.indexOf(FIRST_PARAMETER, 3, 0);
+if (p0Offset < 0) {
+errorCode = U_ILLEGAL_ARGUMENT_ERROR;
+return;
+}
+int32_t p1Offset = pat.indexOf(SECOND_PARAMETER, 3, 0);
+if (p1Offset < 0) {
+errorCode = U_ILLEGAL_ARGUMENT_ERROR;
+return;
+}
+int32_t i, j;
+const UnicodeString* firstString;
+const UnicodeString* secondString;
+if (p0Offset < p1Offset) {
+i = p0Offset;
+j = p1Offset;
+firstString = &originalString;
+secondString = &nextString;
+} else {
+i = p1Offset;
+j = p0Offset;
+firstString = &nextString;
+secondString = &originalString;
+}
+UnicodeString result = UnicodeString(pat, 0, i) + *firstString;
+result += UnicodeString(pat, i+3, j-i-3);
+result += *secondString;
+result += UnicodeString(pat, j+3);
+originalString = result;
+}
+U_NAMESPACE_END

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comparison: intl/icu/source/common/listformatter.cpp

intl/icu/source/common/listformatter.cpp