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docmain.h
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numberrangeformatter.h
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uchar.h
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ufieldpositer.h
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ugender.h
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/opt/alt/libicu/usr/include/unicode/fieldpos.h
(8838B)
// © 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ******************************************************************************** * Copyright (C) 1997-2006, International Business Machines * Corporation and others. All Rights Reserved. ******************************************************************************** * * File FIELDPOS.H * * Modification History: * * Date Name Description * 02/25/97 aliu Converted from java. * 03/17/97 clhuang Updated per Format implementation. * 07/17/98 stephen Added default/copy ctors, and operators =, ==, != ******************************************************************************** */ // ***************************************************************************** // This file was generated from the java source file FieldPosition.java // ***************************************************************************** #ifndef FIELDPOS_H #define FIELDPOS_H #include "unicode/utypes.h" /** * \file * \brief C++ API: FieldPosition identifies the fields in a formatted output. */ #if !UCONFIG_NO_FORMATTING #include "unicode/uobject.h" U_NAMESPACE_BEGIN /** * <code>FieldPosition</code> is a simple class used by <code>Format</code> * and its subclasses to identify fields in formatted output. Fields are * identified by constants, whose names typically end with <code>_FIELD</code>, * defined in the various subclasses of <code>Format</code>. See * <code>ERA_FIELD</code> and its friends in <code>DateFormat</code> for * an example. * * <p> * <code>FieldPosition</code> keeps track of the position of the * field within the formatted output with two indices: the index * of the first character of the field and the index of the last * character of the field. * * <p> * One version of the <code>format</code> method in the various * <code>Format</code> classes requires a <code>FieldPosition</code> * object as an argument. You use this <code>format</code> method * to perform partial formatting or to get information about the * formatted output (such as the position of a field). * * The FieldPosition class is not intended for public subclassing. * * <p> * Below is an example of using <code>FieldPosition</code> to aid * alignment of an array of formatted floating-point numbers on * their decimal points: * <pre> * \code * double doubleNum[] = {123456789.0, -12345678.9, 1234567.89, -123456.789, * 12345.6789, -1234.56789, 123.456789, -12.3456789, 1.23456789}; * int dNumSize = (int)(sizeof(doubleNum)/sizeof(double)); * * UErrorCode status = U_ZERO_ERROR; * DecimalFormat* fmt = (DecimalFormat*) NumberFormat::createInstance(status); * fmt->setDecimalSeparatorAlwaysShown(true); * * const int tempLen = 20; * char temp[tempLen]; * * for (int i=0; i<dNumSize; i++) { * FieldPosition pos(NumberFormat::INTEGER_FIELD); * UnicodeString buf; * char fmtText[tempLen]; * ToCharString(fmt->format(doubleNum[i], buf, pos), fmtText); * for (int j=0; j<tempLen; j++) temp[j] = ' '; // clear with spaces * temp[__min(tempLen, tempLen-pos.getEndIndex())] = '\0'; * cout << temp << fmtText << endl; * } * delete fmt; * \endcode * </pre> * <p> * The code will generate the following output: * <pre> * \code * 123,456,789.000 * -12,345,678.900 * 1,234,567.880 * -123,456.789 * 12,345.678 * -1,234.567 * 123.456 * -12.345 * 1.234 * \endcode * </pre> */ class U_I18N_API FieldPosition : public UObject { public: /** * DONT_CARE may be specified as the field to indicate that the * caller doesn't need to specify a field. * @stable ICU 2.0 */ enum { DONT_CARE = -1 }; /** * Creates a FieldPosition object with a non-specified field. * @stable ICU 2.0 */ FieldPosition() : UObject(), fField(DONT_CARE), fBeginIndex(0), fEndIndex(0) {} /** * Creates a FieldPosition object for the given field. Fields are * identified by constants, whose names typically end with _FIELD, * in the various subclasses of Format. * * @see NumberFormat#INTEGER_FIELD * @see NumberFormat#FRACTION_FIELD * @see DateFormat#YEAR_FIELD * @see DateFormat#MONTH_FIELD * @stable ICU 2.0 */ FieldPosition(int32_t field) : UObject(), fField(field), fBeginIndex(0), fEndIndex(0) {} /** * Copy constructor * @param copy the object to be copied from. * @stable ICU 2.0 */ FieldPosition(const FieldPosition& copy) : UObject(copy), fField(copy.fField), fBeginIndex(copy.fBeginIndex), fEndIndex(copy.fEndIndex) {} /** * Destructor * @stable ICU 2.0 */ virtual ~FieldPosition(); /** * Assignment operator * @param copy the object to be copied from. * @stable ICU 2.0 */ FieldPosition& operator=(const FieldPosition& copy); /** * Equality operator. * @param that the object to be compared with. * @return TRUE if the two field positions are equal, FALSE otherwise. * @stable ICU 2.0 */ UBool operator==(const FieldPosition& that) const; /** * Equality operator. * @param that the object to be compared with. * @return TRUE if the two field positions are not equal, FALSE otherwise. * @stable ICU 2.0 */ UBool operator!=(const FieldPosition& that) const; /** * Clone this object. * Clones can be used concurrently in multiple threads. * If an error occurs, then NULL is returned. * The caller must delete the clone. * * @return a clone of this object * * @see getDynamicClassID * @stable ICU 2.8 */ FieldPosition *clone() const; /** * Retrieve the field identifier. * @return the field identifier. * @stable ICU 2.0 */ int32_t getField(void) const { return fField; } /** * Retrieve the index of the first character in the requested field. * @return the index of the first character in the requested field. * @stable ICU 2.0 */ int32_t getBeginIndex(void) const { return fBeginIndex; } /** * Retrieve the index of the character following the last character in the * requested field. * @return the index of the character following the last character in the * requested field. * @stable ICU 2.0 */ int32_t getEndIndex(void) const { return fEndIndex; } /** * Set the field. * @param f the new value of the field. * @stable ICU 2.0 */ void setField(int32_t f) { fField = f; } /** * Set the begin index. For use by subclasses of Format. * @param bi the new value of the begin index * @stable ICU 2.0 */ void setBeginIndex(int32_t bi) { fBeginIndex = bi; } /** * Set the end index. For use by subclasses of Format. * @param ei the new value of the end index * @stable ICU 2.0 */ void setEndIndex(int32_t ei) { fEndIndex = ei; } /** * ICU "poor man's RTTI", returns a UClassID for the actual class. * * @stable ICU 2.2 */ virtual UClassID getDynamicClassID() const; /** * ICU "poor man's RTTI", returns a UClassID for this class. * * @stable ICU 2.2 */ static UClassID U_EXPORT2 getStaticClassID(); private: /** * Input: Desired field to determine start and end offsets for. * The meaning depends on the subclass of Format. */ int32_t fField; /** * Output: Start offset of field in text. * If the field does not occur in the text, 0 is returned. */ int32_t fBeginIndex; /** * Output: End offset of field in text. * If the field does not occur in the text, 0 is returned. */ int32_t fEndIndex; }; inline FieldPosition& FieldPosition::operator=(const FieldPosition& copy) { fField = copy.fField; fEndIndex = copy.fEndIndex; fBeginIndex = copy.fBeginIndex; return *this; } inline UBool FieldPosition::operator==(const FieldPosition& copy) const { return (fField == copy.fField && fEndIndex == copy.fEndIndex && fBeginIndex == copy.fBeginIndex); } inline UBool FieldPosition::operator!=(const FieldPosition& copy) const { return !operator==(copy); } U_NAMESPACE_END #endif /* #if !UCONFIG_NO_FORMATTING */ #endif // _FIELDPOS //eof
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