1 files changed, 334 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/udatpg.cpp b/intl/icu/source/i18n/udatpg.cpp
new file mode 100644
index 0000000000..07aee36882
--- /dev/null
+++ b/intl/icu/source/i18n/udatpg.cpp
@@ -0,0 +1,334 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+*******************************************************************************
+*
+*   Copyright (C) 2009-2015, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*   file name:  udatpg.cpp
+*   encoding:   UTF-8
+*   tab size:   8 (not used)
+*   indentation:4
+*
+*   created on: 2007jul30
+*   created by: Markus W. Scherer
+*/
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/udatpg.h"
+#include "unicode/uenum.h"
+#include "unicode/strenum.h"
+#include "unicode/dtptngen.h"
+#include "ustrenum.h"
+
+U_NAMESPACE_USE
+
+U_CAPI UDateTimePatternGenerator * U_EXPORT2
+udatpg_open(const char *locale, UErrorCode *pErrorCode) {
+    if(locale==nullptr) {
+        return (UDateTimePatternGenerator *)DateTimePatternGenerator::createInstance(*pErrorCode);
+    } else {
+        return (UDateTimePatternGenerator *)DateTimePatternGenerator::createInstance(Locale(locale), *pErrorCode);
+    }
+}
+
+U_CAPI UDateTimePatternGenerator * U_EXPORT2
+udatpg_openEmpty(UErrorCode *pErrorCode) {
+    return (UDateTimePatternGenerator *)DateTimePatternGenerator::createEmptyInstance(*pErrorCode);
+}
+
+U_CAPI void U_EXPORT2
+udatpg_close(UDateTimePatternGenerator *dtpg) {
+    delete (DateTimePatternGenerator *)dtpg;
+}
+
+U_CAPI UDateTimePatternGenerator * U_EXPORT2
+udatpg_clone(const UDateTimePatternGenerator *dtpg, UErrorCode *pErrorCode) {
+    if(U_FAILURE(*pErrorCode)) {
+        return nullptr;
+    }
+    return (UDateTimePatternGenerator *)(((const DateTimePatternGenerator *)dtpg)->clone());
+}
+
+U_CAPI int32_t U_EXPORT2
+udatpg_getBestPattern(UDateTimePatternGenerator *dtpg,
+                      const char16_t *skeleton, int32_t length,
+                      char16_t *bestPattern, int32_t capacity,
+                      UErrorCode *pErrorCode) {
+    return udatpg_getBestPatternWithOptions(dtpg, skeleton, length,
+                                            UDATPG_MATCH_NO_OPTIONS,
+                                            bestPattern, capacity, pErrorCode);
+}
+
+U_CAPI int32_t U_EXPORT2
+udatpg_getBestPatternWithOptions(UDateTimePatternGenerator *dtpg,
+                                 const char16_t *skeleton, int32_t length,
+                                 UDateTimePatternMatchOptions options,
+                                 char16_t *bestPattern, int32_t capacity,
+                                 UErrorCode *pErrorCode) {
+    if(U_FAILURE(*pErrorCode)) {
+        return 0;
+    }
+    if(skeleton==nullptr && length!=0) {
+        *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
+        return 0;
+    }
+    UnicodeString skeletonString((UBool)(length<0), skeleton, length);
+    UnicodeString result=((DateTimePatternGenerator *)dtpg)->getBestPattern(skeletonString, options, *pErrorCode);
+    return result.extract(bestPattern, capacity, *pErrorCode);
+}
+
+U_CAPI int32_t U_EXPORT2
+udatpg_getSkeleton(UDateTimePatternGenerator * /* dtpg */,
+                   const char16_t *pattern, int32_t length,
+                   char16_t *skeleton, int32_t capacity,
+                   UErrorCode *pErrorCode) {
+    if(U_FAILURE(*pErrorCode)) {
+        return 0;
+    }
+    if(pattern==nullptr && length!=0) {
+        *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
+        return 0;
+    }
+    UnicodeString patternString((UBool)(length<0), pattern, length);
+    UnicodeString result=DateTimePatternGenerator::staticGetSkeleton(
+            patternString, *pErrorCode);
+    return result.extract(skeleton, capacity, *pErrorCode);
+}
+
+U_CAPI int32_t U_EXPORT2
+udatpg_getBaseSkeleton(UDateTimePatternGenerator * /* dtpg */,
+                       const char16_t *pattern, int32_t length,
+                       char16_t *skeleton, int32_t capacity,
+                       UErrorCode *pErrorCode) {
+    if(U_FAILURE(*pErrorCode)) {
+        return 0;
+    }
+    if(pattern==nullptr && length!=0) {
+        *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
+        return 0;
+    }
+    UnicodeString patternString((UBool)(length<0), pattern, length);
+    UnicodeString result=DateTimePatternGenerator::staticGetBaseSkeleton(
+            patternString, *pErrorCode);
+    return result.extract(skeleton, capacity, *pErrorCode);
+}
+
+U_CAPI UDateTimePatternConflict U_EXPORT2
+udatpg_addPattern(UDateTimePatternGenerator *dtpg,
+                  const char16_t *pattern, int32_t patternLength,
+                  UBool override,
+                  char16_t *conflictingPattern, int32_t capacity, int32_t *pLength,
+                  UErrorCode *pErrorCode) {
+    if(U_FAILURE(*pErrorCode)) {
+        return UDATPG_NO_CONFLICT;
+    }
+    if(pattern==nullptr && patternLength!=0) {
+        *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
+        return UDATPG_NO_CONFLICT;
+    }
+    UnicodeString patternString((UBool)(patternLength<0), pattern, patternLength);
+    UnicodeString conflictingPatternString;
+    UDateTimePatternConflict result=((DateTimePatternGenerator *)dtpg)->
+            addPattern(patternString, override, conflictingPatternString, *pErrorCode);
+    int32_t length=conflictingPatternString.extract(conflictingPattern, capacity, *pErrorCode);
+    if(pLength!=nullptr) {
+        *pLength=length;
+    }
+    return result;
+}
+
+U_CAPI void U_EXPORT2
+udatpg_setAppendItemFormat(UDateTimePatternGenerator *dtpg,
+                           UDateTimePatternField field,
+                           const char16_t *value, int32_t length) {
+    UnicodeString valueString((UBool)(length<0), value, length);
+    ((DateTimePatternGenerator *)dtpg)->setAppendItemFormat(field, valueString);
+}
+
+U_CAPI const char16_t * U_EXPORT2
+udatpg_getAppendItemFormat(const UDateTimePatternGenerator *dtpg,
+                           UDateTimePatternField field,
+                           int32_t *pLength) {
+    const UnicodeString &result=((const DateTimePatternGenerator *)dtpg)->getAppendItemFormat(field);
+    if(pLength!=nullptr) {
+        *pLength=result.length();
+    }
+    return result.getBuffer();
+}
+
+U_CAPI void U_EXPORT2
+udatpg_setAppendItemName(UDateTimePatternGenerator *dtpg,
+                         UDateTimePatternField field,
+                         const char16_t *value, int32_t length) {
+    UnicodeString valueString((UBool)(length<0), value, length);
+    ((DateTimePatternGenerator *)dtpg)->setAppendItemName(field, valueString);
+}
+
+U_CAPI const char16_t * U_EXPORT2
+udatpg_getAppendItemName(const UDateTimePatternGenerator *dtpg,
+                         UDateTimePatternField field,
+                         int32_t *pLength) {
+    const UnicodeString &result=((const DateTimePatternGenerator *)dtpg)->getAppendItemName(field);
+    if(pLength!=nullptr) {
+        *pLength=result.length();
+    }
+    return result.getBuffer();
+}
+
+U_CAPI int32_t U_EXPORT2
+udatpg_getFieldDisplayName(const UDateTimePatternGenerator *dtpg,
+                           UDateTimePatternField field,
+                           UDateTimePGDisplayWidth width,
+                           char16_t *fieldName, int32_t capacity,
+                           UErrorCode *pErrorCode) {
+    if (U_FAILURE(*pErrorCode))
+        return -1;
+    if (fieldName == nullptr ? capacity != 0 : capacity < 0) {
+        *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
+        return -1;
+    }
+    UnicodeString result = ((const DateTimePatternGenerator *)dtpg)->getFieldDisplayName(field,width);
+    if (fieldName == nullptr) {
+        return result.length();
+    }
+    return result.extract(fieldName, capacity, *pErrorCode);
+}
+
+U_CAPI void U_EXPORT2
+udatpg_setDateTimeFormat(const UDateTimePatternGenerator *dtpg,
+                         const char16_t *dtFormat, int32_t length) {
+    UnicodeString dtFormatString((UBool)(length<0), dtFormat, length);
+    ((DateTimePatternGenerator *)dtpg)->setDateTimeFormat(dtFormatString);
+}
+
+U_CAPI const char16_t * U_EXPORT2
+udatpg_getDateTimeFormat(const UDateTimePatternGenerator *dtpg,
+                         int32_t *pLength) {
+    UErrorCode status = U_ZERO_ERROR;
+    return udatpg_getDateTimeFormatForStyle(dtpg, UDAT_MEDIUM, pLength, &status);
+}
+
+U_CAPI void U_EXPORT2
+udatpg_setDateTimeFormatForStyle(UDateTimePatternGenerator *udtpg,
+                        UDateFormatStyle style,
+                        const char16_t *dateTimeFormat, int32_t length,
+                        UErrorCode *pErrorCode) {
+    if (U_FAILURE(*pErrorCode)) {
+        return;
+    } else if (dateTimeFormat==nullptr) {
+        *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
+        return;
+    }
+    DateTimePatternGenerator *dtpg = reinterpret_cast<DateTimePatternGenerator *>(udtpg);
+    UnicodeString dtFormatString((UBool)(length<0), dateTimeFormat, length);
+    dtpg->setDateTimeFormat(style, dtFormatString, *pErrorCode);
+}
+
+U_CAPI const char16_t* U_EXPORT2
+udatpg_getDateTimeFormatForStyle(const UDateTimePatternGenerator *udtpg,
+                        UDateFormatStyle style, int32_t *pLength,
+                        UErrorCode *pErrorCode) {
+    static const char16_t emptyString[] = { (char16_t)0 };
+    if (U_FAILURE(*pErrorCode)) {
+        if (pLength !=nullptr) {
+            *pLength = 0;
+        }
+        return emptyString;
+    }
+    const DateTimePatternGenerator *dtpg = reinterpret_cast<const DateTimePatternGenerator *>(udtpg);
+    const UnicodeString &result = dtpg->getDateTimeFormat(style, *pErrorCode);
+    if (pLength != nullptr) {
+        *pLength=result.length();
+    }
+    // Note: The UnicodeString for the dateTimeFormat string in the DateTimePatternGenerator
+    // was NUL-terminated what it was set, to avoid doing it here which could re-allocate
+    // the buffe and affect and cont references to the string or its buffer.
+    return result.getBuffer();
+ }
+
+U_CAPI void U_EXPORT2
+udatpg_setDecimal(UDateTimePatternGenerator *dtpg,
+                  const char16_t *decimal, int32_t length) {
+    UnicodeString decimalString((UBool)(length<0), decimal, length);
+    ((DateTimePatternGenerator *)dtpg)->setDecimal(decimalString);
+}
+
+U_CAPI const char16_t * U_EXPORT2
+udatpg_getDecimal(const UDateTimePatternGenerator *dtpg,
+                  int32_t *pLength) {
+    const UnicodeString &result=((const DateTimePatternGenerator *)dtpg)->getDecimal();
+    if(pLength!=nullptr) {
+        *pLength=result.length();
+    }
+    return result.getBuffer();
+}
+
+U_CAPI int32_t U_EXPORT2
+udatpg_replaceFieldTypes(UDateTimePatternGenerator *dtpg,
+                         const char16_t *pattern, int32_t patternLength,
+                         const char16_t *skeleton, int32_t skeletonLength,
+                         char16_t *dest, int32_t destCapacity,
+                         UErrorCode *pErrorCode) {
+    return udatpg_replaceFieldTypesWithOptions(dtpg, pattern, patternLength, skeleton, skeletonLength,
+                                               UDATPG_MATCH_NO_OPTIONS,
+                                               dest, destCapacity, pErrorCode);
+}
+
+U_CAPI int32_t U_EXPORT2
+udatpg_replaceFieldTypesWithOptions(UDateTimePatternGenerator *dtpg,
+                                    const char16_t *pattern, int32_t patternLength,
+                                    const char16_t *skeleton, int32_t skeletonLength,
+                                    UDateTimePatternMatchOptions options,
+                                    char16_t *dest, int32_t destCapacity,
+                                    UErrorCode *pErrorCode) {
+    if(U_FAILURE(*pErrorCode)) {
+        return 0;
+    }
+    if((pattern==nullptr && patternLength!=0) || (skeleton==nullptr && skeletonLength!=0)) {
+        *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
+        return 0;
+    }
+    UnicodeString patternString((UBool)(patternLength<0), pattern, patternLength);
+    UnicodeString skeletonString((UBool)(skeletonLength<0), skeleton, skeletonLength);
+    UnicodeString result=((DateTimePatternGenerator *)dtpg)->replaceFieldTypes(patternString, skeletonString, options, *pErrorCode);
+    return result.extract(dest, destCapacity, *pErrorCode);
+}
+
+U_CAPI UEnumeration * U_EXPORT2
+udatpg_openSkeletons(const UDateTimePatternGenerator *dtpg, UErrorCode *pErrorCode) {
+    return uenum_openFromStringEnumeration(
+                ((DateTimePatternGenerator *)dtpg)->getSkeletons(*pErrorCode),
+                pErrorCode);
+}
+
+U_CAPI UEnumeration * U_EXPORT2
+udatpg_openBaseSkeletons(const UDateTimePatternGenerator *dtpg, UErrorCode *pErrorCode) {
+    return uenum_openFromStringEnumeration(
+                ((DateTimePatternGenerator *)dtpg)->getBaseSkeletons(*pErrorCode),
+                pErrorCode);
+}
+
+U_CAPI const char16_t * U_EXPORT2
+udatpg_getPatternForSkeleton(const UDateTimePatternGenerator *dtpg,
+                             const char16_t *skeleton, int32_t skeletonLength,
+                             int32_t *pLength) {
+    UnicodeString skeletonString((UBool)(skeletonLength<0), skeleton, skeletonLength);
+    const UnicodeString &result=((const DateTimePatternGenerator *)dtpg)->getPatternForSkeleton(skeletonString);
+    if(pLength!=nullptr) {
+        *pLength=result.length();
+    }
+    return result.getBuffer();
+}
+
+U_CAPI UDateFormatHourCycle U_EXPORT2
+udatpg_getDefaultHourCycle(const UDateTimePatternGenerator *dtpg, UErrorCode* pErrorCode) {
+    return ((const DateTimePatternGenerator *)dtpg)->getDefaultHourCycle(*pErrorCode);
+}
+
+#endif