#$@%#$%!

Ngiler SH3LL 360
: / opt / alt / libicu / usr / include / unicode /

Information Server
MySQL : OFF Perl : OFF CURL : ON WGET : OFF PKEXEC : OFF

Directive	Local Value
IP Address	162.0.209.101
System	Linux premium169.web-hosting.com 4.18.0-553.50.1.lve.el8.x86_64 #1 SMP Thu Apr 17 19:10:24 UTC 2025 x86_64
User	luxeelil
PHP Version	8.0.30
Software	LiteSpeed
Doc root	Writable

Edit File : strenum.h \| Size : 10.04 KB
// © 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ******************************************************************************* * * Copyright (C) 2002-2012, International Business Machines * Corporation and others. All Rights Reserved. * ******************************************************************************* / #ifndef STRENUM_H #define STRENUM_H #include "unicode/uobject.h" #include "unicode/unistr.h" /* * \file * \brief C++ API: String Enumeration / U_NAMESPACE_BEGIN /* * Base class for 'pure' C++ implementations of uenum api. Adds a * method that returns the next UnicodeString since in C++ this can * be a common storage format for strings. * * <p>The model is that the enumeration is over strings maintained by * a 'service.' At any point, the service might change, invalidating * the enumerator (though this is expected to be rare). The iterator * returns an error if this has occurred. Lack of the error is no * guarantee that the service didn't change immediately after the * call, so the returned string still might not be 'valid' on * subsequent use.</p> * * <p>Strings may take the form of const char, const char16_t, or const * UnicodeString. The type you get is determine by the variant of 'next' that you call. In general the StringEnumeration is * optimized for one of these types, but all StringEnumerations can * return all types. Returned strings are each terminated with a NUL. * Depending on the service data, they might also include embedded NUL * characters, so API is provided to optionally return the true * length, counting the embedded NULs but not counting the terminating * NUL.</p> * * <p>The pointers returned by next, unext, and snext become invalid * upon any subsequent call to the enumeration's destructor, next, * unext, snext, or reset.</p> * * ICU 2.8 adds some default implementations and helper functions * for subclasses. * * @stable ICU 2.4 / class U_COMMON_API StringEnumeration : public UObject { public: /* * Destructor. * @stable ICU 2.4 / virtual ~StringEnumeration(); /* * Clone this object, an instance of a subclass of StringEnumeration. * 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 base class pointer * 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 2.8 / virtual StringEnumeration clone() const; /** * <p>Return the number of elements that the iterator traverses. If * the iterator is out of sync with its service, status is set to * U_ENUM_OUT_OF_SYNC_ERROR, and the return value is zero.</p> * * <p>The return value will not change except possibly as a result of * a subsequent call to reset, or if the iterator becomes out of sync.</p> * * <p>This is a convenience function. It can end up being very * expensive as all the items might have to be pre-fetched * (depending on the storage format of the data being * traversed).</p> * * @param status the error code. * @return number of elements in the iterator. * * @stable ICU 2.4 / virtual int32_t count(UErrorCode& status) const = 0; /* * <p>Returns the next element as a NUL-terminated char. If there are no more elements, returns NULL. If the resultLength pointer * is not NULL, the length of the string (not counting the * terminating NUL) is returned at that address. If an error * status is returned, the value at resultLength is undefined.</p> * * <p>The returned pointer is owned by this iterator and must not be * deleted by the caller. The pointer is valid until the next call * to next, unext, snext, reset, or the enumerator's destructor.</p> * * <p>If the iterator is out of sync with its service, status is set * to U_ENUM_OUT_OF_SYNC_ERROR and NULL is returned.</p> * * <p>If the native service string is a char16_t* string, it is * converted to char* with the invariant converter. If the * conversion fails (because a character cannot be converted) then * status is set to U_INVARIANT_CONVERSION_ERROR and the return * value is undefined (though not NULL).</p> * * Starting with ICU 2.8, the default implementation calls snext() * and handles the conversion. * Either next() or snext() must be implemented differently by a subclass. * * @param status the error code. * @param resultLength a pointer to receive the length, can be NULL. * @return a pointer to the string, or NULL. * * @stable ICU 2.4 / virtual const char next(int32_t resultLength, UErrorCode& status); /* * <p>Returns the next element as a NUL-terminated char16_t. If there are no more elements, returns NULL. If the resultLength pointer * is not NULL, the length of the string (not counting the * terminating NUL) is returned at that address. If an error * status is returned, the value at resultLength is undefined.</p> * * <p>The returned pointer is owned by this iterator and must not be * deleted by the caller. The pointer is valid until the next call * to next, unext, snext, reset, or the enumerator's destructor.</p> * * <p>If the iterator is out of sync with its service, status is set * to U_ENUM_OUT_OF_SYNC_ERROR and NULL is returned.</p> * * Starting with ICU 2.8, the default implementation calls snext() * and handles the conversion. * * @param status the error code. * @param resultLength a ponter to receive the length, can be NULL. * @return a pointer to the string, or NULL. * * @stable ICU 2.4 / virtual const char16_t unext(int32_t resultLength, UErrorCode& status); /* * <p>Returns the next element a UnicodeString. If there are no more elements, returns NULL.</p> * * <p>The returned pointer is owned by this iterator and must not be * deleted by the caller. The pointer is valid until the next call * to next, unext, snext, reset, or the enumerator's destructor.</p> * * <p>If the iterator is out of sync with its service, status is set * to U_ENUM_OUT_OF_SYNC_ERROR and NULL is returned.</p> * * Starting with ICU 2.8, the default implementation calls next() * and handles the conversion. * Either next() or snext() must be implemented differently by a subclass. * * @param status the error code. * @return a pointer to the string, or NULL. * * @stable ICU 2.4 / virtual const UnicodeString snext(UErrorCode& status); /** * <p>Resets the iterator. This re-establishes sync with the * service and rewinds the iterator to start at the first * element.</p> * * <p>Previous pointers returned by next, unext, or snext become * invalid, and the value returned by count might change.</p> * * @param status the error code. * * @stable ICU 2.4 / virtual void reset(UErrorCode& status) = 0; /* * Compares this enumeration to other to check if both are equal * * @param that The other string enumeration to compare this object to * @return TRUE if the enumerations are equal. FALSE if not. * @stable ICU 3.6 / virtual UBool operator==(const StringEnumeration& that)const; /* * Compares this enumeration to other to check if both are not equal * * @param that The other string enumeration to compare this object to * @return TRUE if the enumerations are equal. FALSE if not. * @stable ICU 3.6 / virtual UBool operator!=(const StringEnumeration& that)const; protected: /* * UnicodeString field for use with default implementations and subclasses. * @stable ICU 2.8 / UnicodeString unistr; /* * char * default buffer for use with default implementations and subclasses. * @stable ICU 2.8 / char charsBuffer[32]; /* * char * buffer for use with default implementations and subclasses. * Allocated in constructor and in ensureCharsCapacity(). * @stable ICU 2.8 / char chars; /** * Capacity of chars, for use with default implementations and subclasses. * @stable ICU 2.8 / int32_t charsCapacity; /* * Default constructor for use with default implementations and subclasses. * @stable ICU 2.8 / StringEnumeration(); /* * Ensures that chars is at least as large as the requested capacity. * For use with default implementations and subclasses. * * @param capacity Requested capacity. * @param status ICU in/out error code. * @stable ICU 2.8 / void ensureCharsCapacity(int32_t capacity, UErrorCode &status); /* * Converts s to Unicode and sets unistr to the result. * For use with default implementations and subclasses, * especially for implementations of snext() in terms of next(). * This is provided with a helper function instead of a default implementation * of snext() to avoid potential infinite loops between next() and snext(). * * For example: * \code * const UnicodeString* snext(UErrorCode& status) { * int32_t resultLength=0; * const char s=next(&resultLength, status); return setChars(s, resultLength, status); * } * \endcode * * @param s String to be converted to Unicode. * @param length Length of the string. * @param status ICU in/out error code. * @return A pointer to unistr. * @stable ICU 2.8 / UnicodeString setChars(const char s, int32_t length, UErrorCode &status); }; U_NAMESPACE_END / STRENUM_H */ #endif Back

Edit File : strenum.h | Size : 10.04 KB

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*
*   Copyright (C) 2002-2012, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
*******************************************************************************
*/

#ifndef STRENUM_H
#define STRENUM_H

#include "unicode/uobject.h"
#include "unicode/unistr.h"

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

/**
 * Base class for 'pure' C++ implementations of uenum api. Adds a
 * method that returns the next UnicodeString since in C++ this can
 * be a common storage format for strings.
 *
 * The model is that the enumeration is over strings maintained by
 * a 'service.' At any point, the service might change, invalidating
 * the enumerator (though this is expected to be rare). The iterator
 * returns an error if this has occurred. Lack of the error is no
 * guarantee that the service didn't change immediately after the
 * call, so the returned string still might not be 'valid' on
 * subsequent use.
 *
 * Strings may take the form of const char*, const char16_t*, or const
 * UnicodeString*. The type you get is determine by the variant of
 * 'next' that you call. In general the StringEnumeration is
 * optimized for one of these types, but all StringEnumerations can
 * return all types. Returned strings are each terminated with a NUL.
 * Depending on the service data, they might also include embedded NUL
 * characters, so API is provided to optionally return the true
 * length, counting the embedded NULs but not counting the terminating
 * NUL.
 *
 * The pointers returned by next, unext, and snext become invalid
 * upon any subsequent call to the enumeration's destructor, next,
 * unext, snext, or reset.
 *
 * ICU 2.8 adds some default implementations and helper functions
 * for subclasses.
 *
 * @stable ICU 2.4 
 */
class U_COMMON_API StringEnumeration : public UObject { 
public:
 /**
 * Destructor.
 * @stable ICU 2.4
 */
 virtual ~StringEnumeration();

/**
     * Clone this object, an instance of a subclass of StringEnumeration.
     * 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 base class pointer
     * 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 2.8
     */
    virtual StringEnumeration *clone() const;

/**
 * Return the number of elements that the iterator traverses. If
 * the iterator is out of sync with its service, status is set to
 * U_ENUM_OUT_OF_SYNC_ERROR, and the return value is zero.
 *
 * The return value will not change except possibly as a result of
 * a subsequent call to reset, or if the iterator becomes out of sync.
 *
 * This is a convenience function. It can end up being very
 * expensive as all the items might have to be pre-fetched
 * (depending on the storage format of the data being
 * traversed).
 *
 * @param status the error code.
 * @return number of elements in the iterator.
 *
 * @stable ICU 2.4 */
 virtual int32_t count(UErrorCode& status) const = 0;

/**
 * Returns the next element as a NUL-terminated char*. If there
 * are no more elements, returns NULL. If the resultLength pointer
 * is not NULL, the length of the string (not counting the
 * terminating NUL) is returned at that address. If an error
 * status is returned, the value at resultLength is undefined.
 *
 * The returned pointer is owned by this iterator and must not be
 * deleted by the caller. The pointer is valid until the next call
 * to next, unext, snext, reset, or the enumerator's destructor.
 *
 * If the iterator is out of sync with its service, status is set
 * to U_ENUM_OUT_OF_SYNC_ERROR and NULL is returned.
 *
 * If the native service string is a char16_t* string, it is
 * converted to char* with the invariant converter. If the
 * conversion fails (because a character cannot be converted) then
 * status is set to U_INVARIANT_CONVERSION_ERROR and the return
 * value is undefined (though not NULL).
 *
 * Starting with ICU 2.8, the default implementation calls snext()
 * and handles the conversion.
 * Either next() or snext() must be implemented differently by a subclass.
 *
 * @param status the error code.
 * @param resultLength a pointer to receive the length, can be NULL.
 * @return a pointer to the string, or NULL.
 *
 * @stable ICU 2.4 
 */
 virtual const char* next(int32_t *resultLength, UErrorCode& status);

/**
 * Returns the next element as a NUL-terminated char16_t*. If there
 * are no more elements, returns NULL. If the resultLength pointer
 * is not NULL, the length of the string (not counting the
 * terminating NUL) is returned at that address. If an error
 * status is returned, the value at resultLength is undefined.
 *
 * The returned pointer is owned by this iterator and must not be
 * deleted by the caller. The pointer is valid until the next call
 * to next, unext, snext, reset, or the enumerator's destructor.
 *
 * If the iterator is out of sync with its service, status is set
 * to U_ENUM_OUT_OF_SYNC_ERROR and NULL is returned.
 *
 * Starting with ICU 2.8, the default implementation calls snext()
 * and handles the conversion.
 *
 * @param status the error code.
 * @param resultLength a ponter to receive the length, can be NULL.
 * @return a pointer to the string, or NULL.
 *
 * @stable ICU 2.4 
 */
 virtual const char16_t* unext(int32_t *resultLength, UErrorCode& status);

/**
 * Returns the next element a UnicodeString*. If there are no
 * more elements, returns NULL.
 *
 * The returned pointer is owned by this iterator and must not be
 * deleted by the caller. The pointer is valid until the next call
 * to next, unext, snext, reset, or the enumerator's destructor.
 *
 * If the iterator is out of sync with its service, status is set
 * to U_ENUM_OUT_OF_SYNC_ERROR and NULL is returned.
 *
 * Starting with ICU 2.8, the default implementation calls next()
 * and handles the conversion.
 * Either next() or snext() must be implemented differently by a subclass.
 *
 * @param status the error code.
 * @return a pointer to the string, or NULL.
 *
 * @stable ICU 2.4 
 */
 virtual const UnicodeString* snext(UErrorCode& status);

/**
 * Resets the iterator. This re-establishes sync with the
 * service and rewinds the iterator to start at the first
 * element.
 *
 * Previous pointers returned by next, unext, or snext become
 * invalid, and the value returned by count might change.
 *
 * @param status the error code.
 *
 * @stable ICU 2.4 
 */
 virtual void reset(UErrorCode& status) = 0;

/**
     * Compares this enumeration to other to check if both are equal
     *
     * @param that The other string enumeration to compare this object to
     * @return TRUE if the enumerations are equal. FALSE if not.
     * @stable ICU 3.6 
     */
    virtual UBool operator==(const StringEnumeration& that)const;
    /**
     * Compares this enumeration to other to check if both are not equal
     *
     * @param that The other string enumeration to compare this object to
     * @return TRUE if the enumerations are equal. FALSE if not.
     * @stable ICU 3.6 
     */
    virtual UBool operator!=(const StringEnumeration& that)const;

protected:
    /**
     * UnicodeString field for use with default implementations and subclasses.
     * @stable ICU 2.8
     */
    UnicodeString unistr;
    /**
     * char * default buffer for use with default implementations and subclasses.
     * @stable ICU 2.8
     */
    char charsBuffer[32];
    /**
     * char * buffer for use with default implementations and subclasses.
     * Allocated in constructor and in ensureCharsCapacity().
     * @stable ICU 2.8
     */
    char *chars;
    /**
     * Capacity of chars, for use with default implementations and subclasses.
     * @stable ICU 2.8
     */
    int32_t charsCapacity;

/**
     * Default constructor for use with default implementations and subclasses.
     * @stable ICU 2.8
     */
    StringEnumeration();

/**
     * Ensures that chars is at least as large as the requested capacity.
     * For use with default implementations and subclasses.
     *
     * @param capacity Requested capacity.
     * @param status ICU in/out error code.
     * @stable ICU 2.8
     */
    void ensureCharsCapacity(int32_t capacity, UErrorCode &status);

/**
     * Converts s to Unicode and sets unistr to the result.
     * For use with default implementations and subclasses,
     * especially for implementations of snext() in terms of next().
     * This is provided with a helper function instead of a default implementation
     * of snext() to avoid potential infinite loops between next() and snext().
     *
     * For example:
     * \code
     * const UnicodeString* snext(UErrorCode& status) {
     *   int32_t resultLength=0;
     *   const char *s=next(&resultLength, status);
     *   return setChars(s, resultLength, status);
     * }
     * \endcode
     *
     * @param s String to be converted to Unicode.
     * @param length Length of the string.
     * @param status ICU in/out error code.
     * @return A pointer to unistr.
     * @stable ICU 2.8
     */
    UnicodeString *setChars(const char *s, int32_t length, UErrorCode &status);
};

U_NAMESPACE_END

/* STRENUM_H */
#endif

Back