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Diffstat (limited to 'jni/EastAsianWidth/unicode/usetiter.h')
| -rw-r--r-- | jni/EastAsianWidth/unicode/usetiter.h | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/jni/EastAsianWidth/unicode/usetiter.h b/jni/EastAsianWidth/unicode/usetiter.h deleted file mode 100644 index defa75c..0000000 --- a/jni/EastAsianWidth/unicode/usetiter.h +++ /dev/null @@ -1,318 +0,0 @@ -/* -********************************************************************** -* Copyright (c) 2002-2006, International Business Machines -* Corporation and others. All Rights Reserved. -********************************************************************** -*/ -#ifndef USETITER_H -#define USETITER_H - -#include "unicode/utypes.h" -#include "unicode/uobject.h" -#include "unicode/unistr.h" - -/** - * \file - * \brief C++ API: UnicodeSetIterator iterates over the contents of a UnicodeSet. - */ - -U_NAMESPACE_BEGIN - -class UnicodeSet; -class UnicodeString; - -/** - * - * UnicodeSetIterator iterates over the contents of a UnicodeSet. It - * iterates over either code points or code point ranges. After all - * code points or ranges have been returned, it returns the - * multicharacter strings of the UnicodSet, if any. - * - * This class is not intended to be subclassed. Consider any fields - * or methods declared as "protected" to be private. The use of - * protected in this class is an artifact of history. - * - * <p>To iterate over code points and strings, use a loop like this: - * <pre> - * UnicodeSetIterator it(set); - * while (set.next()) { - * processItem(set.getString()); - * } - * </pre> - * <p>Each item in the set is accessed as a string. Set elements - * consisting of single code points are returned as strings containing - * just the one code point. - * - * <p>To iterate over code point ranges, instead of individual code points, - * use a loop like this: - * <pre> - * UnicodeSetIterator it(set); - * while (it.nextRange()) { - * if (it.isString()) { - * processString(it.getString()); - * } else { - * processCodepointRange(it.getCodepoint(), it.getCodepointEnd()); - * } - * } - * </pre> - * @author M. Davis - * @stable ICU 2.4 - */ -class U_COMMON_API UnicodeSetIterator : public UObject { - - protected: - - /** - * Value of <tt>codepoint</tt> if the iterator points to a string. - * If <tt>codepoint == IS_STRING</tt>, then examine - * <tt>string</tt> for the current iteration result. - * @stable ICU 2.4 - */ - enum { IS_STRING = -1 }; - - /** - * Current code point, or the special value <tt>IS_STRING</tt>, if - * the iterator points to a string. - * @stable ICU 2.4 - */ - UChar32 codepoint; - - /** - * When iterating over ranges using <tt>nextRange()</tt>, - * <tt>codepointEnd</tt> contains the inclusive end of the - * iteration range, if <tt>codepoint != IS_STRING</tt>. If - * iterating over code points using <tt>next()</tt>, or if - * <tt>codepoint == IS_STRING</tt>, then the value of - * <tt>codepointEnd</tt> is undefined. - * @stable ICU 2.4 - */ - UChar32 codepointEnd; - - /** - * If <tt>codepoint == IS_STRING</tt>, then <tt>string</tt> points - * to the current string. If <tt>codepoint != IS_STRING</tt>, the - * value of <tt>string</tt> is undefined. - * @stable ICU 2.4 - */ - const UnicodeString* string; - - public: - - /** - * Create an iterator over the given set. The iterator is valid - * only so long as <tt>set</tt> is valid. - * @param set set to iterate over - * @stable ICU 2.4 - */ - UnicodeSetIterator(const UnicodeSet& set); - - /** - * Create an iterator over nothing. <tt>next()</tt> and - * <tt>nextRange()</tt> return false. This is a convenience - * constructor allowing the target to be set later. - * @stable ICU 2.4 - */ - UnicodeSetIterator(); - - /** - * Destructor. - * @stable ICU 2.4 - */ - virtual ~UnicodeSetIterator(); - - /** - * Returns true if the current element is a string. If so, the - * caller can retrieve it with <tt>getString()</tt>. If this - * method returns false, the current element is a code point or - * code point range, depending on whether <tt>next()</tt> or - * <tt>nextRange()</tt> was called. - * Elements of types string and codepoint can both be retrieved - * with the function <tt>getString()</tt>. - * Elements of type codepoint can also be retrieved with - * <tt>getCodepoint()</tt>. - * For ranges, <tt>getCodepoint()</tt> returns the starting codepoint - * of the range, and <tt>getCodepointEnd()</tt> returns the end - * of the range. - * @stable ICU 2.4 - */ - inline UBool isString() const; - - /** - * Returns the current code point, if <tt>isString()</tt> returned - * false. Otherwise returns an undefined result. - * @stable ICU 2.4 - */ - inline UChar32 getCodepoint() const; - - /** - * Returns the end of the current code point range, if - * <tt>isString()</tt> returned false and <tt>nextRange()</tt> was - * called. Otherwise returns an undefined result. - * @stable ICU 2.4 - */ - inline UChar32 getCodepointEnd() const; - - /** - * Returns the current string, if <tt>isString()</tt> returned - * true. If the current iteration item is a code point, a UnicodeString - * containing that single code point is returned. - * - * Ownership of the returned string remains with the iterator. - * The string is guaranteed to remain valid only until the iterator is - * advanced to the next item, or until the iterator is deleted. - * - * @stable ICU 2.4 - */ - const UnicodeString& getString(); - - /** - * Advances the iteration position to the next element in the set, - * which can be either a single code point or a string. - * If there are no more elements in the set, return false. - * - * <p> - * If <tt>isString() == TRUE</tt>, the value is a - * string, otherwise the value is a - * single code point. Elements of either type can be retrieved - * with the function <tt>getString()</tt>, while elements of - * consisting of a single code point can be retrieved with - * <tt>getCodepoint()</tt> - * - * <p>The order of iteration is all code points in sorted order, - * followed by all strings sorted order. Do not mix - * calls to <tt>next()</tt> and <tt>nextRange()</tt> without - * calling <tt>reset()</tt> between them. The results of doing so - * are undefined. - * - * @return true if there was another element in the set. - * @stable ICU 2.4 - */ - UBool next(); - - /** - * Returns the next element in the set, either a code point range - * or a string. If there are no more elements in the set, return - * false. If <tt>isString() == TRUE</tt>, the value is a - * string and can be accessed with <tt>getString()</tt>. Otherwise the value is a - * range of one or more code points from <tt>getCodepoint()</tt> to - * <tt>getCodepointeEnd()</tt> inclusive. - * - * <p>The order of iteration is all code points ranges in sorted - * order, followed by all strings sorted order. Ranges are - * disjoint and non-contiguous. The value returned from <tt>getString()</tt> - * is undefined unless <tt>isString() == TRUE</tt>. Do not mix calls to - * <tt>next()</tt> and <tt>nextRange()</tt> without calling - * <tt>reset()</tt> between them. The results of doing so are - * undefined. - * - * @return true if there was another element in the set. - * @stable ICU 2.4 - */ - UBool nextRange(); - - /** - * Sets this iterator to visit the elements of the given set and - * resets it to the start of that set. The iterator is valid only - * so long as <tt>set</tt> is valid. - * @param set the set to iterate over. - * @stable ICU 2.4 - */ - void reset(const UnicodeSet& set); - - /** - * Resets this iterator to the start of the set. - * @stable ICU 2.4 - */ - void reset(); - - /** - * ICU "poor man's RTTI", returns a UClassID for this class. - * - * @stable ICU 2.4 - */ - static UClassID U_EXPORT2 getStaticClassID(); - - /** - * ICU "poor man's RTTI", returns a UClassID for the actual class. - * - * @stable ICU 2.4 - */ - virtual UClassID getDynamicClassID() const; - - // ======================= PRIVATES =========================== - - protected: - - // endElement and nextElements are really UChar32's, but we keep - // them as signed int32_t's so we can do comparisons with - // endElement set to -1. Leave them as int32_t's. - /** The set - * @stable ICU 2.4 - */ - const UnicodeSet* set; - /** End range - * @stable ICU 2.4 - */ - int32_t endRange; - /** Range - * @stable ICU 2.4 - */ - int32_t range; - /** End element - * @stable ICU 2.4 - */ - int32_t endElement; - /** Next element - * @stable ICU 2.4 - */ - int32_t nextElement; - //UBool abbreviated; - /** Next string - * @stable ICU 2.4 - */ - int32_t nextString; - /** String count - * @stable ICU 2.4 - */ - int32_t stringCount; - - /** - * Points to the string to use when the caller asks for a - * string and the current iteration item is a code point, not a string. - * @internal - */ - UnicodeString *cpString; - - /** Copy constructor. Disallowed. - * @stable ICU 2.4 - */ - UnicodeSetIterator(const UnicodeSetIterator&); // disallow - - /** Assignment operator. Disallowed. - * @stable ICU 2.4 - */ - UnicodeSetIterator& operator=(const UnicodeSetIterator&); // disallow - - /** Load range - * @stable ICU 2.4 - */ - virtual void loadRange(int32_t range); - -}; - -inline UBool UnicodeSetIterator::isString() const { - return codepoint == (UChar32)IS_STRING; -} - -inline UChar32 UnicodeSetIterator::getCodepoint() const { - return codepoint; -} - -inline UChar32 UnicodeSetIterator::getCodepointEnd() const { - return codepointEnd; -} - - -U_NAMESPACE_END - -#endif |