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alphaindex.h	25.29 KB	-rw-r--r--
appendable.h	8.38 KB	-rw-r--r--
basictz.h	8.77 KB	-rw-r--r--
bms.h	8.68 KB	-rw-r--r--
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calendar.h	102.76 KB	-rw-r--r--
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chariter.h	23.71 KB	-rw-r--r--
choicfmt.h	27.82 KB	-rw-r--r--
coleitr.h	12.69 KB	-rw-r--r--
coll.h	53.44 KB	-rw-r--r--
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curramt.h	3.57 KB	-rw-r--r--
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datefmt.h	33.67 KB	-rw-r--r--
dbbi.h	966 B	-rw-r--r--
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decimfmt.h	97.38 KB	-rw-r--r--
docmain.h	6.28 KB	-rw-r--r--
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dtintrv.h	3.65 KB	-rw-r--r--
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locid.h	30.48 KB	-rw-r--r--
measfmt.h	1.94 KB	-rw-r--r--
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measure.h	3.24 KB	-rw-r--r--
messagepattern.h	33.6 KB	-rw-r--r--
msgfmt.h	43.59 KB	-rw-r--r--
normalizer2.h	28.34 KB	-rw-r--r--
normlzr.h	29.26 KB	-rw-r--r--
numfmt.h	43.59 KB	-rw-r--r--
numsys.h	5.37 KB	-rw-r--r--
parseerr.h	2.97 KB	-rw-r--r--
parsepos.h	5.34 KB	-rw-r--r--
platform.h	24.23 KB	-rw-r--r--
plurfmt.h	24.58 KB	-rw-r--r--
plurrule.h	14.56 KB	-rw-r--r--
ptypes.h	3.36 KB	-rw-r--r--
putil.h	5.61 KB	-rw-r--r--
rbbi.h	29.15 KB	-rw-r--r--
rbnf.h	45.32 KB	-rw-r--r--
rbtz.h	15.33 KB	-rw-r--r--
regex.h	83.1 KB	-rw-r--r--
rep.h	9.33 KB	-rw-r--r--
resbund.h	17.89 KB	-rw-r--r--
schriter.h	6.15 KB	-rw-r--r--
search.h	22.1 KB	-rw-r--r--
selfmt.h	14.13 KB	-rw-r--r--
simpletz.h	45.1 KB	-rw-r--r--
smpdtfmt.h	57.58 KB	-rw-r--r--
sortkey.h	10.98 KB	-rw-r--r--
std_string.h	783 B	-rw-r--r--
strenum.h	9.92 KB	-rw-r--r--
stringpiece.h	6.38 KB	-rw-r--r--
stringtriebuilder.h	14.75 KB	-rw-r--r--
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symtable.h	4.1 KB	-rw-r--r--
tblcoll.h	34.23 KB	-rw-r--r--
timezone.h	37.28 KB	-rw-r--r--
tmunit.h	3.39 KB	-rw-r--r--
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ucal.h	50.49 KB	-rw-r--r--
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ucat.h	5.25 KB	-rw-r--r--
uchar.h	115.43 KB	-rw-r--r--
ucharstrie.h	20.8 KB	-rw-r--r--
ucharstriebuilder.h	6.83 KB	-rw-r--r--
uchriter.h	12.82 KB	-rw-r--r--
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ucnv.h	82.6 KB	-rw-r--r--
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ucnv_err.h	20.87 KB	-rw-r--r--
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ucol.h	57.93 KB	-rw-r--r--
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uconfig.h	10.79 KB	-rw-r--r--
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udata.h	14.81 KB	-rw-r--r--
udateintervalformat.h	6.5 KB	-rw-r--r--
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udisplaycontext.h	4.34 KB	-rw-r--r--
uenum.h	7.79 KB	-rw-r--r--
ugender.h	1.85 KB	-rw-r--r--
uidna.h	32.81 KB	-rw-r--r--
uiter.h	22.67 KB	-rw-r--r--
uldnames.h	10.5 KB	-rw-r--r--
uloc.h	44.07 KB	-rw-r--r--
ulocdata.h	10.37 KB	-rw-r--r--
umachine.h	10.23 KB	-rw-r--r--
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unirepl.h	3.21 KB	-rw-r--r--
uniset.h	63.07 KB	-rw-r--r--
unistr.h	164.33 KB	-rw-r--r--
unorm.h	22.89 KB	-rw-r--r--
unorm2.h	21.91 KB	-rw-r--r--
unum.h	39.21 KB	-rw-r--r--
uobject.h	12.21 KB	-rw-r--r--
upluralrules.h	4.47 KB	-rw-r--r--
uregex.h	71.47 KB	-rw-r--r--
urename.h	120.88 KB	-rw-r--r--
urep.h	5.27 KB	-rw-r--r--
ures.h	35.92 KB	-rw-r--r--
uscript.h	20.46 KB	-rw-r--r--
usearch.h	36.09 KB	-rw-r--r--
uset.h	39.45 KB	-rw-r--r--
usetiter.h	9.38 KB	-rw-r--r--
ushape.h	17.89 KB	-rw-r--r--
uspoof.h	38.91 KB	-rw-r--r--
usprep.h	8.02 KB	-rw-r--r--
ustdio.h	37.05 KB	-rw-r--r--
ustream.h	1.6 KB	-rw-r--r--
ustring.h	73.01 KB	-rw-r--r--
ustringtrie.h	3.04 KB	-rw-r--r--
utext.h	57.97 KB	-rw-r--r--
utf.h	7.64 KB	-rw-r--r--
utf16.h	18.24 KB	-rw-r--r--
utf32.h	653 B	-rw-r--r--
utf8.h	23.02 KB	-rw-r--r--
utf_old.h	42.5 KB	-rw-r--r--
utmscale.h	13.37 KB	-rw-r--r--
utrace.h	13.09 KB	-rw-r--r--
utrans.h	23.08 KB	-rw-r--r--
utypes.h	30.72 KB	-rw-r--r--
uvernum.h	5.53 KB	-rw-r--r--
uversion.h	6.29 KB	-rw-r--r--
vtzone.h	20.09 KB	-rw-r--r--

Code Editor : rep.h

/*
**************************************************************************
* Copyright (C) 1999-2005, International Business Machines Corporation and
* others. All Rights Reserved.
**************************************************************************
*   Date        Name        Description
*   11/17/99    aliu        Creation.  Ported from java.  Modified to
*                           match current UnicodeString API.  Forced
*                           to use name "handleReplaceBetween" because
*                           of existing methods in UnicodeString.
**************************************************************************
*/

#ifndef REP_H
#define REP_H

#include "unicode/uobject.h"

/**
 * \file 
 * \brief C++ API: Replaceable String
 */
 
U_NAMESPACE_BEGIN

class UnicodeString;

/**
 * <code>Replaceable</code> is an abstract base class representing a
 * string of characters that supports the replacement of a range of
 * itself with a new string of characters. It is used by APIs that
 * change a piece of text while retaining metadata. Metadata is data
 * other than the Unicode characters returned by char32At(). One
 * example of metadata is style attributes; another is an edit
 * history, marking each character with an author and revision number.
 *
 * An implicit aspect of the <code>Replaceable</code> API is that
 * during a replace operation, new characters take on the metadata of
 * the old characters. For example, if the string "the bold
 * font" has range (4, 8) replaced with "strong", then it becomes "the
 * strong font".
 *
 * <code>Replaceable</code> specifies ranges using a start
 * offset and a limit offset. The range of characters thus specified
 * includes the characters at offset start..limit-1. That is, the
 * start offset is inclusive, and the limit offset is exclusive.
 *
 * <code>Replaceable</code> also includes API to access characters
 * in the string: <code>length()</code>, <code>charAt()</code>,
 * <code>char32At()</code>, and <code>extractBetween()</code>.
 *
 * For a subclass to support metadata, typical behavior of
 * <code>replace()</code> is the following:
 * <ul>
 * <li>Set the metadata of the new text to the metadata of the first
 * character replaced</li>
 * <li>If no characters are replaced, use the metadata of the
 * previous character</li>
 * <li>If there is no previous character (i.e. start == 0), use the
 * following character</li>
 * <li>If there is no following character (i.e. the replaceable was
 * empty), use default metadata. 
 * <li>If the code point U+FFFF is seen, it should be interpreted as
 * a special marker having no metadata<li>
 * </li>
 * </ul>
 * If this is not the behavior, the subclass should document any differences.
 * @author Alan Liu
 * @stable ICU 2.0
 */
class U_COMMON_API Replaceable : public UObject {

public:
    /**
     * Destructor.
     * @stable ICU 2.0
     */
    virtual ~Replaceable();

/**
     * Returns the number of 16-bit code units in the text.
     * @return number of 16-bit code units in text
     * @stable ICU 1.8
     */ 
    inline int32_t length() const;

/**
 * Returns the 16-bit code unit at the given offset into the text.
 * @param offset an integer between 0 and <code>length()</code>-1
 * inclusive
 * @return 16-bit code unit of text at given offset
 * @stable ICU 1.8
 */
 inline UChar charAt(int32_t offset) const;

/**
 * Returns the 32-bit code point at the given 16-bit offset into
 * the text. This assumes the text is stored as 16-bit code units
 * with surrogate pairs intermixed. If the offset of a leading or
 * trailing code unit of a surrogate pair is given, return the
 * code point of the surrogate pair.
 *
 * @param offset an integer between 0 and <code>length()</code>-1
 * inclusive
 * @return 32-bit code point of text at given offset
 * @stable ICU 1.8
 */
 inline UChar32 char32At(int32_t offset) const;

/**
 * Copies characters in the range [<tt>start</tt>, <tt>limit</tt>) 
 * into the UnicodeString <tt>target</tt>.
 * @param start offset of first character which will be copied
 * @param limit offset immediately following the last character to
 * be copied
 * @param target UnicodeString into which to copy characters.
 * @return A reference to <TT>target</TT>
 * @stable ICU 2.1
 */
 virtual void extractBetween(int32_t start,
 int32_t limit,
 UnicodeString& target) const = 0;

/**
 * Replaces a substring of this object with the given text. If the
 * characters being replaced have metadata, the new characters
 * that replace them should be given the same metadata.
 *
 * Subclasses must ensure that if the text between start and
 * limit is equal to the replacement text, that replace has no
 * effect. That is, any metadata
 * should be unaffected. In addition, subclasses are encouraged to
 * check for initial and trailing identical characters, and make a
 * smaller replacement if possible. This will preserve as much
 * metadata as possible.
 * @param start the beginning index, inclusive; <code>0 <= start
 * <= limit</code>.
 * @param limit the ending index, exclusive; <code>start <= limit
 * <= length()</code>.
 * @param text the text to replace characters <code>start</code>
 * to <code>limit - 1</code> 
 * @stable ICU 2.0
 */
 virtual void handleReplaceBetween(int32_t start,
 int32_t limit,
 const UnicodeString& text) = 0;
 // Note: All other methods in this class take the names of
 // existing UnicodeString methods. This method is the exception.
 // It is named differently because all replace methods of
 // UnicodeString return a UnicodeString&. The 'between' is
 // required in order to conform to the UnicodeString naming
 // convention; API taking start/length are named <operation>, and
 // those taking start/limit are named <operationBetween>. The
 // 'handle' is added because 'replaceBetween' and
 // 'doReplaceBetween' are already taken.

/**
 * Copies a substring of this object, retaining metadata.
 * This method is used to duplicate or reorder substrings.
 * The destination index must not overlap the source range.
 * 
 * @param start the beginning index, inclusive; <code>0 <= start <=
 * limit</code>.
 * @param limit the ending index, exclusive; <code>start <= limit <=
 * length()</code>.
 * @param dest the destination index. The characters from
 * <code>start..limit-1</code> will be copied to <code>dest</code>.
 * Implementations of this method may assume that <code>dest <= start ||
 * dest >= limit</code>.
 * @stable ICU 2.0
 */
 virtual void copy(int32_t start, int32_t limit, int32_t dest) = 0;

/**
     * Returns true if this object contains metadata.  If a
     * Replaceable object has metadata, calls to the Replaceable API
     * must be made so as to preserve metadata.  If it does not, calls
     * to the Replaceable API may be optimized to improve performance.
     * The default implementation returns true.
     * @return true if this object contains metadata
     * @stable ICU 2.2
     */
    virtual UBool hasMetaData() const;

/**
     * Clone this object, an instance of a subclass of Replaceable.
     * Clones can be used concurrently in multiple threads.
     * If a subclass does not implement clone(), or if an error occurs,
     * then NULL is returned.
     * The clone functions in all subclasses return a pointer to a Replaceable
     * because some compilers do not support covariant (same-as-this)
     * return types; cast to the appropriate subclass if necessary.
     * The caller must delete the clone.
     *
     * @return a clone of this object
     *
     * @see getDynamicClassID
     * @stable ICU 2.6
     */
    virtual Replaceable *clone() const;

protected:

/**
     * Default constructor.
     * @stable ICU 2.4
     */
    Replaceable();

/*
     * Assignment operator not declared. The compiler will provide one
     * which does nothing since this class does not contain any data members.
     * API/code coverage may show the assignment operator as present and
     * untested - ignore.
     * Subclasses need this assignment operator if they use compiler-provided
     * assignment operators of their own. An alternative to not declaring one
     * here would be to declare and empty-implement a protected or public one.
    Replaceable &Replaceable::operator=(const Replaceable &);
     */

/**
     * Virtual version of length().
     * @stable ICU 2.4
     */ 
    virtual int32_t getLength() const = 0;

/**
     * Virtual version of charAt().
     * @stable ICU 2.4
     */
    virtual UChar getCharAt(int32_t offset) const = 0;

/**
     * Virtual version of char32At().
     * @stable ICU 2.4
     */
    virtual UChar32 getChar32At(int32_t offset) const = 0;
};

inline int32_t
Replaceable::length() const {
    return getLength();
}

inline UChar
Replaceable::charAt(int32_t offset) const {
    return getCharAt(offset);
}

inline UChar32
Replaceable::char32At(int32_t offset) const {
    return getChar32At(offset);
}

// There is no rep.cpp, see unistr.cpp for Replaceable function implementations.

U_NAMESPACE_END

#endif

${this.title}

Code Editor : rep.h