Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 160 insertions, 0 deletions

diff --git a/intl/icu/source/i18n/ulistformatter.cpp b/intl/icu/source/i18n/ulistformatter.cpp
new file mode 100644
index 0000000000..721905f097
--- /dev/null
+++ b/intl/icu/source/i18n/ulistformatter.cpp
@@ -0,0 +1,160 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+*****************************************************************************************
+* Copyright (C) 2015, International Business Machines
+* Corporation and others. All Rights Reserved.
+*****************************************************************************************
+*/
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/ulistformatter.h"
+#include "unicode/listformatter.h"
+#include "unicode/localpointer.h"
+#include "cmemory.h"
+#include "formattedval_impl.h"
+
+U_NAMESPACE_USE
+
+U_CAPI UListFormatter* U_EXPORT2
+ulistfmt_open(const char*  locale,
+              UErrorCode*  status)
+{
+    if (U_FAILURE(*status)) {
+        return nullptr;
+    }
+    LocalPointer<ListFormatter> listfmt(ListFormatter::createInstance(Locale(locale), *status));
+    if (U_FAILURE(*status)) {
+        return nullptr;
+    }
+    return (UListFormatter*)listfmt.orphan();
+}
+
+
+U_CAPI UListFormatter* U_EXPORT2
+ulistfmt_openForType(const char*  locale, UListFormatterType type,
+                    UListFormatterWidth width, UErrorCode* status)
+{
+    if (U_FAILURE(*status)) {
+        return nullptr;
+    }
+    LocalPointer<ListFormatter> listfmt(ListFormatter::createInstance(Locale(locale), type, width, *status));
+    if (U_FAILURE(*status)) {
+        return nullptr;
+    }
+    return (UListFormatter*)listfmt.orphan();
+}
+
+
+U_CAPI void U_EXPORT2
+ulistfmt_close(UListFormatter *listfmt)
+{
+    delete (ListFormatter*)listfmt;
+}
+
+
+// Magic number: FLST in ASCII
+UPRV_FORMATTED_VALUE_CAPI_AUTO_IMPL(
+    FormattedList,
+    UFormattedList,
+    UFormattedListImpl,
+    UFormattedListApiHelper,
+    ulistfmt,
+    0x464C5354)
+
+
+static UnicodeString* getUnicodeStrings(
+        const char16_t* const strings[],
+        const int32_t* stringLengths,
+        int32_t stringCount,
+        UnicodeString* length4StackBuffer,
+        LocalArray<UnicodeString>& maybeOwner,
+        UErrorCode& status) {
+    U_ASSERT(U_SUCCESS(status));
+    if (stringCount < 0 || (strings == nullptr && stringCount > 0)) {
+        status = U_ILLEGAL_ARGUMENT_ERROR;
+        return nullptr;
+    }
+    UnicodeString* ustrings = length4StackBuffer;
+    if (stringCount > 4) {
+        maybeOwner.adoptInsteadAndCheckErrorCode(new UnicodeString[stringCount], status);
+        if (U_FAILURE(status)) {
+            return nullptr;
+        }
+        ustrings = maybeOwner.getAlias();
+    }
+    if (stringLengths == nullptr) {
+        for (int32_t stringIndex = 0; stringIndex < stringCount; stringIndex++) {
+            ustrings[stringIndex].setTo(true, strings[stringIndex], -1);
+        }
+    } else {
+        for (int32_t stringIndex = 0; stringIndex < stringCount; stringIndex++) {
+            ustrings[stringIndex].setTo(stringLengths[stringIndex] < 0, strings[stringIndex], stringLengths[stringIndex]);
+        }
+    }
+    return ustrings;
+}
+
+
+U_CAPI int32_t U_EXPORT2
+ulistfmt_format(const UListFormatter* listfmt,
+                const char16_t* const strings[],
+                const int32_t *    stringLengths,
+                int32_t            stringCount,
+                char16_t*             result,
+                int32_t            resultCapacity,
+                UErrorCode*        status)
+{
+    if (U_FAILURE(*status)) {
+        return -1;
+    }
+    if ((result == nullptr) ? resultCapacity != 0 : resultCapacity < 0) {
+        *status = U_ILLEGAL_ARGUMENT_ERROR;
+        return -1;
+    }
+    UnicodeString length4StackBuffer[4];
+    LocalArray<UnicodeString> maybeOwner;
+    UnicodeString* ustrings = getUnicodeStrings(
+        strings, stringLengths, stringCount, length4StackBuffer, maybeOwner, *status);
+    if (U_FAILURE(*status)) {
+        return -1;
+    }
+    UnicodeString res;
+    if (result != nullptr) {
+        // nullptr destination for pure preflighting: empty dummy string
+        // otherwise, alias the destination buffer (copied from udat_format)
+        res.setTo(result, 0, resultCapacity);
+    }
+    reinterpret_cast<const ListFormatter*>(listfmt)->format( ustrings, stringCount, res, *status );
+    return res.extract(result, resultCapacity, *status);
+}
+
+
+U_CAPI void U_EXPORT2
+ulistfmt_formatStringsToResult(
+                const UListFormatter* listfmt,
+                const char16_t* const strings[],
+                const int32_t *    stringLengths,
+                int32_t            stringCount,
+                UFormattedList*    uresult,
+                UErrorCode*        status) {
+    auto* result = UFormattedListApiHelper::validate(uresult, *status);
+    if (U_FAILURE(*status)) {
+        return;
+    }
+    UnicodeString length4StackBuffer[4];
+    LocalArray<UnicodeString> maybeOwner;
+    UnicodeString* ustrings = getUnicodeStrings(
+        strings, stringLengths, stringCount, length4StackBuffer, maybeOwner, *status);
+    if (U_FAILURE(*status)) {
+        return;
+    }
+    result->fImpl = reinterpret_cast<const ListFormatter*>(listfmt)
+        ->formatStringsToValue(ustrings, stringCount, *status);
+}
+
+
+#endif /* #if !UCONFIG_NO_FORMATTING */