The Tor Browser: intl/icu/source/i18n/fmtable.cpp@6474c204b198 (annotated)

intl/icu/source/i18n/fmtable.cpp@6474c204b198 (annotated)

intl/icu/source/i18n/fmtable.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
 *******************************************************************************
 * Copyright (C) 1997-2013, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 *
 * File FMTABLE.CPP
 *
 * Modification History:
 *
 *   Date        Name        Description
 *   03/25/97    clhuang     Initial Implementation.
 ********************************************************************************
 */
 #include "unicode/utypes.h"
 #if !UCONFIG_NO_FORMATTING
 #include <math.h>
 #include "unicode/fmtable.h"
 #include "unicode/ustring.h"
 #include "unicode/measure.h"
 #include "unicode/curramt.h"
 #include "unicode/uformattable.h"
 #include "charstr.h"
 #include "cmemory.h"
 #include "cstring.h"
 #include "decNumber.h"
 #include "digitlst.h"
 // *****************************************************************************
 // class Formattable
 // *****************************************************************************
 U_NAMESPACE_BEGIN
 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(Formattable)
 #include "fmtableimp.h"
 //-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
 // NOTE: As of 3.0, there are limitations to the UObject API.  It does
 // not (yet) support cloning, operator=, nor operator==.  To
 // work around this, I implement some simple inlines here.  Later
 // these can be modified or removed.  [alan]
 // NOTE: These inlines assume that all fObjects are in fact instances
 // of the Measure class, which is true as of 3.0.  [alan]
 // Return TRUE if *a == *b.
 static inline UBool objectEquals(const UObject* a, const UObject* b) {
     // LATER: return *a == *b;
     return *((const Measure*) a) == *((const Measure*) b);
 }
 // Return a clone of *a.
 static inline UObject* objectClone(const UObject* a) {
     // LATER: return a->clone();
     return ((const Measure*) a)->clone();
 }
 // Return TRUE if *a is an instance of Measure.
 static inline UBool instanceOfMeasure(const UObject* a) {
     return dynamic_cast<const Measure*>(a) != NULL;
 }
 /**
  * Creates a new Formattable array and copies the values from the specified
  * original.
  * @param array the original array
  * @param count the original array count
  * @return the new Formattable array.
  */
 static Formattable* createArrayCopy(const Formattable* array, int32_t count) {
     Formattable *result = new Formattable[count];
     if (result != NULL) {
         for (int32_t i=0; i<count; ++i)
             result[i] = array[i]; // Don't memcpy!
     }
     return result;
 }
 //-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
 /**
  * Set 'ec' to 'err' only if 'ec' is not already set to a failing UErrorCode.
  */
 static void setError(UErrorCode& ec, UErrorCode err) {
     if (U_SUCCESS(ec)) {
         ec = err;
     }
 }
 //
 //  Common initialization code, shared by constructors.
 //  Put everything into a known state.
 //
 void  Formattable::init() {
     fValue.fInt64 = 0;
     fType = kLong;
     fDecimalStr = NULL;
     fDecimalNum = NULL;
     fBogus.setToBogus();
 }
 // -------------------------------------
 // default constructor.
 // Creates a formattable object with a long value 0.
 Formattable::Formattable() {
     init();
 }
 // -------------------------------------
 // Creates a formattable object with a Date instance.
 Formattable::Formattable(UDate date, ISDATE /*isDate*/)
 {
     init();
     fType = kDate;
     fValue.fDate = date;
 }
 // -------------------------------------
 // Creates a formattable object with a double value.
 Formattable::Formattable(double value)
 {
     init();
     fType = kDouble;
     fValue.fDouble = value;
 }
 // -------------------------------------
 // Creates a formattable object with an int32_t value.
 Formattable::Formattable(int32_t value)
 {
     init();
     fValue.fInt64 = value;
 }
 // -------------------------------------
 // Creates a formattable object with an int64_t value.
 Formattable::Formattable(int64_t value)
 {
     init();
     fType = kInt64;
     fValue.fInt64 = value;
 }
 // -------------------------------------
 // Creates a formattable object with a decimal number value from a string.
 Formattable::Formattable(const StringPiece &number, UErrorCode &status) {
     init();
     setDecimalNumber(number, status);
 }
 // -------------------------------------
 // Creates a formattable object with a UnicodeString instance.
 Formattable::Formattable(const UnicodeString& stringToCopy)
 {
     init();
     fType = kString;
     fValue.fString = new UnicodeString(stringToCopy);
 }
 // -------------------------------------
 // Creates a formattable object with a UnicodeString* value.
 // (adopting symantics)
 Formattable::Formattable(UnicodeString* stringToAdopt)
 {
     init();
     fType = kString;
     fValue.fString = stringToAdopt;
 }
 Formattable::Formattable(UObject* objectToAdopt)
 {
     init();
     fType = kObject;
     fValue.fObject = objectToAdopt;
 }
 // -------------------------------------
 Formattable::Formattable(const Formattable* arrayToCopy, int32_t count)
     :   UObject(), fType(kArray)
 {
     init();
     fType = kArray;
     fValue.fArrayAndCount.fArray = createArrayCopy(arrayToCopy, count);
     fValue.fArrayAndCount.fCount = count;
 }
 // -------------------------------------
 // copy constructor
 Formattable::Formattable(const Formattable &source)
      :  UObject(*this)
 {
     init();
     *this = source;
 }
 // -------------------------------------
 // assignment operator
 Formattable&
 Formattable::operator=(const Formattable& source)
 {
     if (this != &source)
     {
         // Disposes the current formattable value/setting.
         dispose();
         // Sets the correct data type for this value.
         fType = source.fType;
         switch (fType)
         {
         case kArray:
             // Sets each element in the array one by one and records the array count.
             fValue.fArrayAndCount.fCount = source.fValue.fArrayAndCount.fCount;
             fValue.fArrayAndCount.fArray = createArrayCopy(source.fValue.fArrayAndCount.fArray,
                                                            source.fValue.fArrayAndCount.fCount);
             break;
         case kString:
             // Sets the string value.
             fValue.fString = new UnicodeString(*source.fValue.fString);
             break;
         case kDouble:
             // Sets the double value.
             fValue.fDouble = source.fValue.fDouble;
             break;
         case kLong:
         case kInt64:
             // Sets the long value.
             fValue.fInt64 = source.fValue.fInt64;
             break;
         case kDate:
             // Sets the Date value.
             fValue.fDate = source.fValue.fDate;
             break;
         case kObject:
             fValue.fObject = objectClone(source.fValue.fObject);
             break;
         }
         UErrorCode status = U_ZERO_ERROR;
         if (source.fDecimalNum != NULL) {
           fDecimalNum = new DigitList(*source.fDecimalNum); // TODO: use internal digit list
         }
         if (source.fDecimalStr != NULL) {
             fDecimalStr = new CharString(*source.fDecimalStr, status);
             if (U_FAILURE(status)) {
                 delete fDecimalStr;
                 fDecimalStr = NULL;
             }
         }
     }
     return *this;
 }
 // -------------------------------------
 UBool
 Formattable::operator==(const Formattable& that) const
 {
     int32_t i;
     if (this == &that) return TRUE;
     // Returns FALSE if the data types are different.
     if (fType != that.fType) return FALSE;
     // Compares the actual data values.
     UBool equal = TRUE;
     switch (fType) {
     case kDate:
         equal = (fValue.fDate == that.fValue.fDate);
         break;
     case kDouble:
         equal = (fValue.fDouble == that.fValue.fDouble);
         break;
     case kLong:
     case kInt64:
         equal = (fValue.fInt64 == that.fValue.fInt64);
         break;
     case kString:
         equal = (*(fValue.fString) == *(that.fValue.fString));
         break;
     case kArray:
         if (fValue.fArrayAndCount.fCount != that.fValue.fArrayAndCount.fCount) {
             equal = FALSE;
             break;
         }
         // Checks each element for equality.
         for (i=0; i<fValue.fArrayAndCount.fCount; ++i) {
             if (fValue.fArrayAndCount.fArray[i] != that.fValue.fArrayAndCount.fArray[i]) {
                 equal = FALSE;
                 break;
             }
         }
         break;
     case kObject:
         if (fValue.fObject == NULL || that.fValue.fObject == NULL) {
             equal = FALSE;
         } else {
             equal = objectEquals(fValue.fObject, that.fValue.fObject);
         }
         break;
     }
     // TODO:  compare digit lists if numeric.
     return equal;
 }
 // -------------------------------------
 Formattable::~Formattable()
 {
     dispose();
 }
 // -------------------------------------
 void Formattable::dispose()
 {
     // Deletes the data value if necessary.
     switch (fType) {
     case kString:
         delete fValue.fString;
         break;
     case kArray:
         delete[] fValue.fArrayAndCount.fArray;
         break;
     case kObject:
         delete fValue.fObject;
         break;
     default:
         break;
     }
     fType = kLong;
     fValue.fInt64 = 0;
     delete fDecimalStr;
     fDecimalStr = NULL;
     FmtStackData *stackData = (FmtStackData*)fStackData;
     if(fDecimalNum != &(stackData->stackDecimalNum)) {
       delete fDecimalNum;
     } else {
       fDecimalNum->~DigitList(); // destruct, don't deallocate
     }
     fDecimalNum = NULL;
 }
 Formattable *
 Formattable::clone() const {
     return new Formattable(*this);
 }
 // -------------------------------------
 // Gets the data type of this Formattable object.
 Formattable::Type
 Formattable::getType() const
 {
     return fType;
 }
 UBool
 Formattable::isNumeric() const {
     switch (fType) {
     case kDouble:
     case kLong:
     case kInt64:
         return TRUE;
     default:
         return FALSE;
     }
 }
 // -------------------------------------
 int32_t
 //Formattable::getLong(UErrorCode* status) const
 Formattable::getLong(UErrorCode& status) const
 {
     if (U_FAILURE(status)) {
         return 0;
     }
     switch (fType) {
     case Formattable::kLong:
         return (int32_t)fValue.fInt64;
     case Formattable::kInt64:
         if (fValue.fInt64 > INT32_MAX) {
             status = U_INVALID_FORMAT_ERROR;
             return INT32_MAX;
         } else if (fValue.fInt64 < INT32_MIN) {
             status = U_INVALID_FORMAT_ERROR;
             return INT32_MIN;
         } else {
             return (int32_t)fValue.fInt64;
         }
     case Formattable::kDouble:
         if (fValue.fDouble > INT32_MAX) {
             status = U_INVALID_FORMAT_ERROR;
             return INT32_MAX;
         } else if (fValue.fDouble < INT32_MIN) {
             status = U_INVALID_FORMAT_ERROR;
             return INT32_MIN;
         } else {
             return (int32_t)fValue.fDouble; // loses fraction
         }
     case Formattable::kObject:
         if (fValue.fObject == NULL) {
             status = U_MEMORY_ALLOCATION_ERROR;
             return 0;
         }
         // TODO Later replace this with instanceof call
         if (instanceOfMeasure(fValue.fObject)) {
             return ((const Measure*) fValue.fObject)->
                 getNumber().getLong(status);
         }
     default:
         status = U_INVALID_FORMAT_ERROR;
         return 0;
     }
 }
 // -------------------------------------
 // Maximum int that can be represented exactly in a double.  (53 bits)
 //    Larger ints may be rounded to a near-by value as not all are representable.
 // TODO:  move this constant elsewhere, possibly configure it for different
 //        floating point formats, if any non-standard ones are still in use.
 static const int64_t U_DOUBLE_MAX_EXACT_INT = 9007199254740992LL;
 int64_t
 Formattable::getInt64(UErrorCode& status) const
 {
     if (U_FAILURE(status)) {
         return 0;
     }
     switch (fType) {
     case Formattable::kLong:
     case Formattable::kInt64:
         return fValue.fInt64;
     case Formattable::kDouble:
         if (fValue.fDouble > (double)U_INT64_MAX) {
             status = U_INVALID_FORMAT_ERROR;
             return U_INT64_MAX;
         } else if (fValue.fDouble < (double)U_INT64_MIN) {
             status = U_INVALID_FORMAT_ERROR;
             return U_INT64_MIN;
         } else if (fabs(fValue.fDouble) > U_DOUBLE_MAX_EXACT_INT && fDecimalNum != NULL) {
             int64_t val = fDecimalNum->getInt64();
             if (val != 0) {
                 return val;
             } else {
                 status = U_INVALID_FORMAT_ERROR;
                 return fValue.fDouble > 0 ? U_INT64_MAX : U_INT64_MIN;
             }
         } else {
             return (int64_t)fValue.fDouble;
         }
     case Formattable::kObject:
         if (fValue.fObject == NULL) {
             status = U_MEMORY_ALLOCATION_ERROR;
             return 0;
         }
         if (instanceOfMeasure(fValue.fObject)) {
             return ((const Measure*) fValue.fObject)->
                 getNumber().getInt64(status);
         }
     default:
         status = U_INVALID_FORMAT_ERROR;
         return 0;
     }
 }
 // -------------------------------------
 double
 Formattable::getDouble(UErrorCode& status) const
 {
     if (U_FAILURE(status)) {
         return 0;
     }
     switch (fType) {
     case Formattable::kLong:
     case Formattable::kInt64: // loses precision
         return (double)fValue.fInt64;
     case Formattable::kDouble:
         return fValue.fDouble;
     case Formattable::kObject:
         if (fValue.fObject == NULL) {
             status = U_MEMORY_ALLOCATION_ERROR;
             return 0;
         }
         // TODO Later replace this with instanceof call
         if (instanceOfMeasure(fValue.fObject)) {
             return ((const Measure*) fValue.fObject)->
                 getNumber().getDouble(status);
         }
     default:
         status = U_INVALID_FORMAT_ERROR;
         return 0;
     }
 }
 const UObject*
 Formattable::getObject() const {
     return (fType == kObject) ? fValue.fObject : NULL;
 }
 // -------------------------------------
 // Sets the value to a double value d.
 void
 Formattable::setDouble(double d)
 {
     dispose();
     fType = kDouble;
     fValue.fDouble = d;
 }
 // -------------------------------------
 // Sets the value to a long value l.
 void
 Formattable::setLong(int32_t l)
 {
     dispose();
     fType = kLong;
     fValue.fInt64 = l;
 }
 // -------------------------------------
 // Sets the value to an int64 value ll.
 void
 Formattable::setInt64(int64_t ll)
 {
     dispose();
     fType = kInt64;
     fValue.fInt64 = ll;
 }
 // -------------------------------------
 // Sets the value to a Date instance d.
 void
 Formattable::setDate(UDate d)
 {
     dispose();
     fType = kDate;
     fValue.fDate = d;
 }
 // -------------------------------------
 // Sets the value to a string value stringToCopy.
 void
 Formattable::setString(const UnicodeString& stringToCopy)
 {
     dispose();
     fType = kString;
     fValue.fString = new UnicodeString(stringToCopy);
 }
 // -------------------------------------
 // Sets the value to an array of Formattable objects.
 void
 Formattable::setArray(const Formattable* array, int32_t count)
 {
     dispose();
     fType = kArray;
     fValue.fArrayAndCount.fArray = createArrayCopy(array, count);
     fValue.fArrayAndCount.fCount = count;
 }
 // -------------------------------------
 // Adopts the stringToAdopt value.
 void
 Formattable::adoptString(UnicodeString* stringToAdopt)
 {
     dispose();
     fType = kString;
     fValue.fString = stringToAdopt;
 }
 // -------------------------------------
 // Adopts the array value and its count.
 void
 Formattable::adoptArray(Formattable* array, int32_t count)
 {
     dispose();
     fType = kArray;
     fValue.fArrayAndCount.fArray = array;
     fValue.fArrayAndCount.fCount = count;
 }
 void
 Formattable::adoptObject(UObject* objectToAdopt) {
     dispose();
     fType = kObject;
     fValue.fObject = objectToAdopt;
 }
 // -------------------------------------
 UnicodeString&
 Formattable::getString(UnicodeString& result, UErrorCode& status) const
 {
     if (fType != kString) {
         setError(status, U_INVALID_FORMAT_ERROR);
         result.setToBogus();
     } else {
         if (fValue.fString == NULL) {
             setError(status, U_MEMORY_ALLOCATION_ERROR);
         } else {
             result = *fValue.fString;
         }
     }
     return result;
 }
 // -------------------------------------
 const UnicodeString&
 Formattable::getString(UErrorCode& status) const
 {
     if (fType != kString) {
         setError(status, U_INVALID_FORMAT_ERROR);
         return *getBogus();
     }
     if (fValue.fString == NULL) {
         setError(status, U_MEMORY_ALLOCATION_ERROR);
         return *getBogus();
     }
     return *fValue.fString;
 }
 // -------------------------------------
 UnicodeString&
 Formattable::getString(UErrorCode& status)
 {
     if (fType != kString) {
         setError(status, U_INVALID_FORMAT_ERROR);
         return *getBogus();
     }
     if (fValue.fString == NULL) {
     	setError(status, U_MEMORY_ALLOCATION_ERROR);
     	return *getBogus();
     }
     return *fValue.fString;
 }
 // -------------------------------------
 const Formattable*
 Formattable::getArray(int32_t& count, UErrorCode& status) const
 {
     if (fType != kArray) {
         setError(status, U_INVALID_FORMAT_ERROR);
         count = 0;
         return NULL;
     }
     count = fValue.fArrayAndCount.fCount;
     return fValue.fArrayAndCount.fArray;
 }
 // -------------------------------------
 // Gets the bogus string, ensures mondo bogosity.
 UnicodeString*
 Formattable::getBogus() const
 {
     return (UnicodeString*)&fBogus; /* cast away const :-( */
 }
 // --------------------------------------
 StringPiece Formattable::getDecimalNumber(UErrorCode &status) {
     if (U_FAILURE(status)) {
         return "";
     }
     if (fDecimalStr != NULL) {
       return fDecimalStr->toStringPiece();
     }
     CharString *decimalStr = internalGetCharString(status);
     if(decimalStr == NULL) {
       return ""; // getDecimalNumber returns "" for error cases
     } else {
       return decimalStr->toStringPiece();
     }
 }
 CharString *Formattable::internalGetCharString(UErrorCode &status) {
     if(fDecimalStr == NULL) {
       if (fDecimalNum == NULL) {
         // No decimal number for the formattable yet.  Which means the value was
         // set directly by the user as an int, int64 or double.  If the value came
         // from parsing, or from the user setting a decimal number, fDecimalNum
         // would already be set.
         //
         fDecimalNum = new DigitList; // TODO: use internal digit list
         if (fDecimalNum == NULL) {
           status = U_MEMORY_ALLOCATION_ERROR;
           return NULL;
         }
         switch (fType) {
         case kDouble:
           fDecimalNum->set(this->getDouble());
           break;
         case kLong:
           fDecimalNum->set(this->getLong());
           break;
         case kInt64:
           fDecimalNum->set(this->getInt64());
           break;
         default:
           // The formattable's value is not a numeric type.
           status = U_INVALID_STATE_ERROR;
           return NULL;
         }
       }
       fDecimalStr = new CharString;
       if (fDecimalStr == NULL) {
         status = U_MEMORY_ALLOCATION_ERROR;
         return NULL;
       }
       fDecimalNum->getDecimal(*fDecimalStr, status);
     }
     return fDecimalStr;
 }
 DigitList *
 Formattable::getInternalDigitList() {
   FmtStackData *stackData = (FmtStackData*)fStackData;
   if(fDecimalNum != &(stackData->stackDecimalNum)) {
     delete fDecimalNum;
     fDecimalNum = new (&(stackData->stackDecimalNum), kOnStack) DigitList();
   } else {
     fDecimalNum->clear();
   }
   return fDecimalNum;
 }
 // ---------------------------------------
 void
 Formattable::adoptDigitList(DigitList *dl) {
   if(fDecimalNum==dl) {
     fDecimalNum = NULL; // don't delete
   }
   dispose();
   fDecimalNum = dl;
   if(dl==NULL) { // allow adoptDigitList(NULL) to clear
     return;
   }
     // Set the value into the Union of simple type values.
     // Cannot use the set() functions because they would delete the fDecimalNum value,
     if (fDecimalNum->fitsIntoLong(FALSE)) {
         fType = kLong;
         fValue.fInt64 = fDecimalNum->getLong();
     } else if (fDecimalNum->fitsIntoInt64(FALSE)) {
         fType = kInt64;
         fValue.fInt64 = fDecimalNum->getInt64();
     } else {
         fType = kDouble;
         fValue.fDouble = fDecimalNum->getDouble();
     }
 }
 // ---------------------------------------
 void
 Formattable::setDecimalNumber(const StringPiece &numberString, UErrorCode &status) {
     if (U_FAILURE(status)) {
         return;
     }
     dispose();
     // Copy the input string and nul-terminate it.
     //    The decNumber library requires nul-terminated input.  StringPiece input
     //    is not guaranteed nul-terminated.  Too bad.
     //    CharString automatically adds the nul.
     DigitList *dnum = new DigitList(); // TODO: use getInternalDigitList
     if (dnum == NULL) {
         status = U_MEMORY_ALLOCATION_ERROR;
         return;
     }
     dnum->set(CharString(numberString, status).toStringPiece(), status);
     if (U_FAILURE(status)) {
         delete dnum;
         return;   // String didn't contain a decimal number.
     }
     adoptDigitList(dnum);
     // Note that we do not hang on to the caller's input string.
     // If we are asked for the string, we will regenerate one from fDecimalNum.
 }
 #if 0
 //----------------------------------------------------
 // console I/O
 //----------------------------------------------------
 #ifdef _DEBUG
 #include <iostream>
 using namespace std;
 #include "unicode/datefmt.h"
 #include "unistrm.h"
 class FormattableStreamer /* not : public UObject because all methods are static */ {
 public:
     static void streamOut(ostream& stream, const Formattable& obj);
 private:
     FormattableStreamer() {} // private - forbid instantiation
 };
 // This is for debugging purposes only.  This will send a displayable
 // form of the Formattable object to the output stream.
 void
 FormattableStreamer::streamOut(ostream& stream, const Formattable& obj)
 {
     static DateFormat *defDateFormat = 0;
     UnicodeString buffer;
     switch(obj.getType()) {
         case Formattable::kDate :
             // Creates a DateFormat instance for formatting the
             // Date instance.
             if (defDateFormat == 0) {
                 defDateFormat = DateFormat::createInstance();
             }
             defDateFormat->format(obj.getDate(), buffer);
             stream << buffer;
             break;
         case Formattable::kDouble :
             // Output the double as is.
             stream << obj.getDouble() << 'D';
             break;
         case Formattable::kLong :
             // Output the double as is.
             stream << obj.getLong() << 'L';
             break;
         case Formattable::kString:
             // Output the double as is.  Please see UnicodeString console
             // I/O routine for more details.
             stream << '"' << obj.getString(buffer) << '"';
             break;
         case Formattable::kArray:
             int32_t i, count;
             const Formattable* array;
             array = obj.getArray(count);
             stream << '[';
             // Recursively calling the console I/O routine for each element in the array.
             for (i=0; i<count; ++i) {
                 FormattableStreamer::streamOut(stream, array[i]);
                 stream << ( (i==(count-1)) ? "" : ", " );
             }
             stream << ']';
             break;
         default:
             // Not a recognizable Formattable object.
             stream << "INVALID_Formattable";
     }
     stream.flush();
 }
 #endif
 #endif
 U_NAMESPACE_END
 /* ---- UFormattable implementation ---- */
 U_NAMESPACE_USE
 U_DRAFT UFormattable* U_EXPORT2
 ufmt_open(UErrorCode *status) {
   if( U_FAILURE(*status) ) {
     return NULL;
   }
   UFormattable *fmt = (new Formattable())->toUFormattable();
   if( fmt == NULL ) {
     *status = U_MEMORY_ALLOCATION_ERROR;
   }
   return fmt;
 }
 U_DRAFT void U_EXPORT2
 ufmt_close(UFormattable *fmt) {
   Formattable *obj = Formattable::fromUFormattable(fmt);
   delete obj;
 }
 U_INTERNAL UFormattableType U_EXPORT2
 ufmt_getType(const UFormattable *fmt, UErrorCode *status) {
   if(U_FAILURE(*status)) {
     return (UFormattableType)UFMT_COUNT;
   }
   const Formattable *obj = Formattable::fromUFormattable(fmt);
   return (UFormattableType)obj->getType();
 }
 U_INTERNAL UBool U_EXPORT2
 ufmt_isNumeric(const UFormattable *fmt) {
   const Formattable *obj = Formattable::fromUFormattable(fmt);
   return obj->isNumeric();
 }
 U_DRAFT UDate U_EXPORT2
 ufmt_getDate(const UFormattable *fmt, UErrorCode *status) {
   const Formattable *obj = Formattable::fromUFormattable(fmt);
   return obj->getDate(*status);
 }
 U_DRAFT double U_EXPORT2
 ufmt_getDouble(UFormattable *fmt, UErrorCode *status) {
   Formattable *obj = Formattable::fromUFormattable(fmt);
   return obj->getDouble(*status);
 }
 U_DRAFT int32_t U_EXPORT2
 ufmt_getLong(UFormattable *fmt, UErrorCode *status) {
   Formattable *obj = Formattable::fromUFormattable(fmt);
   return obj->getLong(*status);
 }
 U_DRAFT const void *U_EXPORT2
 ufmt_getObject(const UFormattable *fmt, UErrorCode *status) {
   const Formattable *obj = Formattable::fromUFormattable(fmt);
   const void *ret = obj->getObject();
   if( ret==NULL &&
       (obj->getType() != Formattable::kObject) &&
       U_SUCCESS( *status )) {
     *status = U_INVALID_FORMAT_ERROR;
   }
   return ret;
 }
 U_DRAFT const UChar* U_EXPORT2
 ufmt_getUChars(UFormattable *fmt, int32_t *len, UErrorCode *status) {
   Formattable *obj = Formattable::fromUFormattable(fmt);
   // avoid bogosity by checking the type first.
   if( obj->getType() != Formattable::kString ) {
     if( U_SUCCESS(*status) ){
       *status = U_INVALID_FORMAT_ERROR;
     }
     return NULL;
   }
   // This should return a valid string
   UnicodeString &str = obj->getString(*status);
   if( U_SUCCESS(*status) && len != NULL ) {
     *len = str.length();
   }
   return str.getTerminatedBuffer();
 }
 U_DRAFT int32_t U_EXPORT2
 ufmt_getArrayLength(const UFormattable* fmt, UErrorCode *status) {
   const Formattable *obj = Formattable::fromUFormattable(fmt);
   int32_t count;
   (void)obj->getArray(count, *status);
   return count;
 }
 U_DRAFT UFormattable * U_EXPORT2
 ufmt_getArrayItemByIndex(UFormattable* fmt, int32_t n, UErrorCode *status) {
   Formattable *obj = Formattable::fromUFormattable(fmt);
   int32_t count;
   (void)obj->getArray(count, *status);
   if(U_FAILURE(*status)) {
     return NULL;
   } else if(n<0 || n>=count) {
     setError(*status, U_INDEX_OUTOFBOUNDS_ERROR);
     return NULL;
   } else {
     return (*obj)[n].toUFormattable(); // returns non-const Formattable
   }
 }
 U_DRAFT const char * U_EXPORT2
 ufmt_getDecNumChars(UFormattable *fmt, int32_t *len, UErrorCode *status) {
   if(U_FAILURE(*status)) {
     return "";
   }
   Formattable *obj = Formattable::fromUFormattable(fmt);
   CharString *charString = obj->internalGetCharString(*status);
   if(U_FAILURE(*status)) {
     return "";
   }
   if(charString == NULL) {
     *status = U_MEMORY_ALLOCATION_ERROR;
     return "";
   } else {
     if(len!=NULL) {
       *len = charString->length();
     }
     return charString->data();
   }
 }
 U_DRAFT int64_t U_EXPORT2
 ufmt_getInt64(UFormattable *fmt, UErrorCode *status) {
   Formattable *obj = Formattable::fromUFormattable(fmt);
   return obj->getInt64(*status);
 }
 #endif /* #if !UCONFIG_NO_FORMATTING */
 //eof

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intl/icu/source/i18n/fmtable.cpp@6474c204b198 (annotated)

intl/icu/source/i18n/fmtable.cpp