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- /*
- *******************************************************************************
- * *
- * COPYRIGHT: *
- * (C) Copyright International Business Machines Corporation, 1998-1999 *
- * Licensed Material - Program-Property of IBM - All Rights Reserved. *
- * US Government Users Restricted Rights - Use, duplication, or disclosure *
- * restricted by GSA ADP Schedule Contract with IBM Corp. *
- * *
- *******************************************************************************
- *
- * File unistr.h
- *
- * Modification History:
- *
- * Date Name Description
- * 09/25/98 stephen Creation.
- * 11/11/98 stephen Changed per 11/9 code review.
- * 04/20/99 stephen Overhauled per 4/16 code review.
- *******************************************************************************
- */
-
- #ifndef UNISTR_H
- #define UNISTR_H
-
- #include <limits.h>
-
- #include "utypes.h"
- #include "unicode.h"
- #include "ucnv.h"
-
- // Size of stack buffer for small strings
- #define US_STACKBUF_SIZE 10
-
- class Locale;
- class UCharReference;
-
- /**
- * UnicodeString is a concrete implementation of the abstract class
- * UnicodeText. UnicodeString performs codeset conversion from char*
- * data based on the type of data specified.
- */
- class U_COMMON_API UnicodeString
- {
- public:
-
- //========================================
- // Read-only operations
- //========================================
-
- /* Comparison - bitwise only - for international comparison use collation */
-
- /**
- * Equality operator. Performs only bitwise comparison.
- * @param text The UnicodeString to compare to this one.
- * @return TRUE if <TT>text</TT> contains the same characters as this one,
- * FALSE otherwise.
- */
- inline bool_t operator== (const UnicodeString& text) const;
-
- /**
- * Inequality operator. Performs only bitwise comparison.
- * @param text The UnicodeString to compare to this one.
- * @return FALSE if <TT>text</TT> contains the same characters as this one,
- * TRUE otherwise.
- */
- inline bool_t operator!= (const UnicodeString& text) const;
-
- /**
- * Greater than operator. Performs only bitwise comparison.
- * @param text The UnicodeString to compare to this one.
- * @return TRUE if the characters in <TT>text</TT> are bitwise
- * greater than the characters in this, FALSE otherwise
- */
- inline bool_t operator> (const UnicodeString& text) const;
-
- /**
- * Less than operator. Performs only bitwise comparison.
- * @param text The UnicodeString to compare to this one.
- * @return TRUE if the characters in <TT>text</TT> are bitwise
- * less than the characters in this, FALSE otherwise
- */
- inline bool_t operator< (const UnicodeString& text) const;
-
- /**
- * Greater than or equal operator. Performs only bitwise comparison.
- * @param text The UnicodeString to compare to this one.
- * @return TRUE if the characters in <TT>text</TT> are bitwise
- * greater than or equal to the characters in this, FALSE otherwise
- */
- inline bool_t operator>= (const UnicodeString& text) const;
-
- /**
- * Less than or equal operator. Performs only bitwise comparison.
- * @param text The UnicodeString to compare to this one.
- * @return TRUE if the characters in <TT>text</TT> are bitwise
- * less than or equal to the characters in this, FALSE otherwise
- */
- inline bool_t operator<= (const UnicodeString& text) const;
-
- /**
- * Compare the characters bitwise in this UnicodeString to
- * the characters in <TT>text</TT>.
- * @param text The UnicodeString to compare to this one.
- * @return The result of bitwise character comparison: 0 if <TT>text</TT>
- * contains the same characters as this, -1 if the characters in
- * <TT>text</TT> are bitwise less than the characters in this, +1 if the
- * characters in <TT>text</TT> are bitwise greater than the characters
- * in this.
- */
- inline int8_t compare(const UnicodeString& text) const;
-
- /**
- * Compare the characters bitwise in the range
- * [<TT>start</TT>, <TT>start + length</TT>) with the characters
- * in <TT>srcText</TT>
- * @param start the offset at which the compare operation begins
- * @param length the number of characters of text to compare.
- * @param srcText the text to be compared
- * @return The result of bitwise character comparison: 0 if <TT>text</TT>
- * contains the same characters as this, -1 if the characters in
- * <TT>text</TT> are bitwise less than the characters in this, +1 if the
- * characters in <TT>text</TT> are bitwise greater than the characters
- * in this.
- */
- inline int8_t compare(UTextOffset start,
- int32_t length,
- const UnicodeString& srcText) const;
-
- /**
- * Compare the characters bitwise in the range
- * [<TT>start</TT>, <TT>start + length</TT>) with the characters
- * in <TT>srcText</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>).
- * @param start the offset at which the compare operation begins
- * @param length the number of characters in this to compare.
- * @param srcText the text to be compared
- * @param srcStart the offset into <TT>srcText</TT> to start comparison
- * @param srcLength the number of characters in <TT>src</TT> to compare
- * @return The result of bitwise character comparison: 0 if <TT>text</TT>
- * contains the same characters as this, -1 if the characters in
- * <TT>text</TT> are bitwise less than the characters in this, +1 if the
- * characters in <TT>text</TT> are bitwise greater than the characters
- * in this.
- */
- inline int8_t compare(UTextOffset start,
- int32_t length,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength) const;
-
- /**
- * Compare the characters bitwise in this UnicodeString with the first
- * <TT>srcLength</TT> characters in <TT>srcChars</TT>.
- * @param srcChars The characters to compare to this UnicodeString.
- * @param srcLength the number of characters in <TT>srcChars</TT> to compare
- * @return The result of bitwise character comparison: 0 if <TT>text</TT>
- * contains the same characters as this, -1 if the characters in
- * <TT>text</TT> are bitwise less than the characters in this, +1 if the
- * characters in <TT>text</TT> are bitwise greater than the characters
- * in this.
- */
- inline int8_t compare(const UChar *srcChars,
- int32_t srcLength) const;
-
- /**
- * Compare the characters bitwise in the range
- * [<TT>start</TT>, <TT>start + length</TT>) with the first
- * <TT>length</TT> characters in <TT>srcChars</TT>
- * @param start the offset at which the compare operation begins
- * @param length the number of characters to compare.
- * @param srcChars the characters to be compared
- * @return The result of bitwise character comparison: 0 if <TT>text</TT>
- * contains the same characters as this, -1 if the characters in
- * <TT>text</TT> are bitwise less than the characters in this, +1 if the
- * characters in <TT>text</TT> are bitwise greater than the characters
- * in this.
- */
- inline int8_t compare(UTextOffset start,
- int32_t length,
- const UChar *srcChars) const;
-
- /**
- * Compare the characters bitwise in the range
- * [<TT>start</TT>, <TT>start + length</TT>) with the characters
- * in <TT>srcChars</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>).
- * @param start the offset at which the compare operation begins
- * @param length the number of characters in this to compare
- * @param srcChars the characters to be compared
- * @param srcStart the offset into <TT>srcChars</TT> to start comparison
- * @param srcLength the number of characters in <TT>srcChars</TT> to compare
- * @return The result of bitwise character comparison: 0 if <TT>text</TT>
- * contains the same characters as this, -1 if the characters in
- * <TT>text</TT> are bitwise less than the characters in this, +1 if the
- * characters in <TT>text</TT> are bitwise greater than the characters
- * in this.
- */
- inline int8_t compare(UTextOffset start,
- int32_t length,
- const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength) const;
-
- /**
- * Compare the characters bitwise in the range
- * [<TT>start</TT>, <TT>limit</TT>) with the characters
- * in <TT>srcText</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcLimit</TT>).
- * @param start the offset at which the compare operation begins
- * @param limit the offset immediately following the compare operation
- * @param srcText the text to be compared
- * @param srcStart the offset into <TT>srcText</TT> to start comparison
- * @param srcLimit the offset into <TT>srcText</TT> to limit comparison
- * @return The result of bitwise character comparison: 0 if <TT>text</TT>
- * contains the same characters as this, -1 if the characters in
- * <TT>text</TT> are bitwise less than the characters in this, +1 if the
- * characters in <TT>text</TT> are bitwise greater than the characters
- * in this.
- */
- inline int8_t compareBetween(UTextOffset start,
- UTextOffset limit,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- UTextOffset srcLimit) const;
-
- /**
- * Determine if this starts with the characters in <TT>text</TT>
- * @param text The text to match.
- * @return TRUE if this starts with the characters in <TT>text</TT>,
- * FALSE otherwise
- */
- inline bool_t startsWith(const UnicodeString& text) const;
-
- /**
- * Determine if this starts with the characters in <TT>srcText</TT>
- * in the range [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>).
- * @param srcText The text to match.
- * @param srcStart the offset into <TT>srcText</TT> to start matching
- * @param srcLength the number of characters in <TT>srcText</TT> to match
- * @return TRUE if this starts with the characters in <TT>text</TT>,
- * FALSE otherwise
- */
- inline bool_t startsWith(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength) const;
-
- /**
- * Determine if this starts with the characters in <TT>srcChars</TT>
- * @param srcChars The characters to match.
- * @param srcLength the number of characters in <TT>srcChars</TT>
- * @return TRUE if this starts with the characters in <TT>srcChars</TT>,
- * FALSE otherwise
- */
- inline bool_t startsWith(const UChar *srcChars,
- int32_t srcLength) const;
-
- /**
- * Determine if this ends with the characters in <TT>srcChars</TT>
- * in the range [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>).
- * @param srcChars The characters to match.
- * @param srcStart the offset into <TT>srcText</TT> to start matching
- * @param srcLength the number of characters in <TT>srcChars</TT> to match
- * @return TRUE if this ends with the characters in <TT>srcChars</TT>,
- FALSE otherwise
- */
- inline bool_t startsWith(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength) const;
-
- /**
- * Determine if this ends with the characters in <TT>text</TT>
- * @param text The text to match.
- * @return TRUE if this ends with the characters in <TT>text</TT>,
- * FALSE otherwise
- */
- inline bool_t endsWith(const UnicodeString& text) const;
-
- /**
- * Determine if this ends with the characters in <TT>srcText</TT>
- * in the range [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>).
- * @param srcText The text to match.
- * @param srcStart the offset into <TT>srcText</TT> to start matching
- * @param srcLength the number of characters in <TT>srcText</TT> to match
- * @return TRUE if this ends with the characters in <TT>text</TT>,
- * FALSE otherwise
- */
- inline bool_t endsWith(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength) const;
-
- /**
- * Determine if this ends with the characters in <TT>srcChars</TT>
- * @param srcChars The characters to match.
- * @param srcLength the number of characters in <TT>srcChars</TT>
- * @return TRUE if this ends with the characters in <TT>srcChars</TT>,
- * FALSE otherwise
- */
- inline bool_t endsWith(const UChar *srcChars,
- int32_t srcLength) const;
-
- /**
- * Determine if this ends with the characters in <TT>srcChars</TT>
- * in the range [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>).
- * @param srcChars The characters to match.
- * @param srcStart the offset into <TT>srcText</TT> to start matching
- * @param srcLength the number of characters in <TT>srcChars</TT> to match
- * @return TRUE if this ends with the characters in <TT>srcChars</TT>,
- * FALSE otherwise
- */
- inline bool_t endsWith(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength) const;
-
-
- /* Searching - bitwise only */
-
- /**
- * Locate in this the first occurrence of the characters in <TT>text</TT>,
- * using bitwise comparison.
- * @param text The text to search for.
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset indexOf(const UnicodeString& text) const;
-
- /**
- * Locate in this the first occurrence of the characters in <TT>text</TT>
- * starting at offset <TT>start</TT>, using bitwise comparison.
- * @param text The text to search for.
- * @param start The offset at which searching will start.
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset indexOf(const UnicodeString& text,
- UTextOffset start) const;
-
- /**
- * Locate in this the first occurrence in the range
- * [<TT>start</TT>, <TT>start + length</TT>) of the characters
- * in <TT>text</TT>, using bitwise comparison.
- * @param text The text to search for.
- * @param start The offset at which searching will start.
- * @param length The number of characters to search
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset indexOf(const UnicodeString& text,
- UTextOffset start,
- int32_t length) const;
-
- /**
- * Locate in this the first occurrence in the range
- * [<TT>start</TT>, <TT>start + length</TT>) of the characters
- * in <TT>srcText</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>),
- * using bitwise comparison.
- * @param text The text to search for.
- * @param srcStart the offset into <TT>srcText</TT> at which
- * to start matching
- * @param srcLength the number of characters in <TT>srcText</TT> to match
- * @param start the offset into this at which to start matching
- * @param length the number of characters in this to search
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset indexOf(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const;
-
- /**
- * Locate in this the first occurrence of the characters in
- * <TT>srcChars</TT>
- * starting at offset <TT>start</TT>, using bitwise comparison.
- * @param srcChars The text to search for.
- * @param srcLength the number of characters in <TT>srcChars</TT> to match
- * @param start the offset into this at which to start matching
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset indexOf(const UChar *srcChars,
- int32_t srcLength,
- UTextOffset start) const;
-
- /**
- * Locate in this the first occurrence in the range
- * [<TT>start</TT>, <TT>start + length</TT>) of the characters
- * in <TT>srcChars</TT>, using bitwise comparison.
- * @param text The text to search for.
- * @param srcLength the number of characters in <TT>srcChars</TT>
- * @param start The offset at which searching will start.
- * @param length The number of characters to search
- * @return The offset into this of the start of <TT>srcChars</TT>,
- * or -1 if not found.
- */
- inline UTextOffset indexOf(const UChar *srcChars,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const;
-
- /**
- * Locate in this the first occurrence in the range
- * [<TT>start</TT>, <TT>start + length</TT>) of the characters
- * in <TT>srcChars</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>),
- * using bitwise comparison.
- * @param srcChars The text to search for.
- * @param srcStart the offset into <TT>srcChars</TT> at which
- * to start matching
- * @param srcLength the number of characters in <TT>srcChars</TT> to match
- * @param start the offset into this at which to start matching
- * @param length the number of characters in this to search
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset indexOf(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const;
-
- /**
- * Locate in this the first occurrence of the character <TT>c</TT>,
- * using bitwise comparison.
- * @param c The character to search for.
- * @return The offset into this of <TT>c</TT>, or -1 if not found.
- */
- inline UTextOffset indexOf(UChar c) const;
-
- /**
- * Locate in this the first occurrence of the character <TT>c</TT>
- * starting at offset <TT>start</TT>, using bitwise comparison.
- * @param c The character to search for.
- * @param start The offset at which searching will start.
- * @return The offset into this of <TT>c</TT>, or -1 if not found.
- */
- inline UTextOffset indexOf(UChar c,
- UTextOffset start) const;
-
- /**
- * Locate in this the first occurrence of the character <TT>c</TT>
- * in the range [<TT>start</TT>, <TT>start + length</TT>),
- * using bitwise comparison.
- * @param c The character to search for.
- * @param start the offset into this at which to start matching
- * @param length the number of characters in this to search
- * @return The offset into this of <TT>c</TT>, or -1 if not found.
- */
- inline UTextOffset indexOf(UChar c,
- UTextOffset start,
- int32_t length) const;
-
- /**
- * Locate in this the last occurrence of the characters in <TT>text</TT>,
- * using bitwise comparison.
- * @param text The text to search for.
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset lastIndexOf(const UnicodeString& text) const;
-
- /**
- * Locate in this the last occurrence of the characters in <TT>text</TT>
- * starting at offset <TT>start</TT>, using bitwise comparison.
- * @param text The text to search for.
- * @param start The offset at which searching will start.
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset lastIndexOf(const UnicodeString& text,
- UTextOffset start) const;
-
- /**
- * Locate in this the last occurrence in the range
- * [<TT>start</TT>, <TT>start + length</TT>) of the characters
- * in <TT>text</TT>, using bitwise comparison.
- * @param text The text to search for.
- * @param start The offset at which searching will start.
- * @param length The number of characters to search
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset lastIndexOf(const UnicodeString& text,
- UTextOffset start,
- int32_t length) const;
-
- /**
- * Locate in this the last occurrence in the range
- * [<TT>start</TT>, <TT>start + length</TT>) of the characters
- * in <TT>srcText</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>),
- * using bitwise comparison.
- * @param text The text to search for.
- * @param srcStart the offset into <TT>srcText</TT> at which
- * to start matching
- * @param srcLength the number of characters in <TT>srcText</TT> to match
- * @param start the offset into this at which to start matching
- * @param length the number of characters in this to search
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset lastIndexOf(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const;
-
- /**
- * Locate in this the last occurrence of the characters in <TT>srcChars</TT>
- * starting at offset <TT>start</TT>, using bitwise comparison.
- * @param srcChars The text to search for.
- * @param srcLength the number of characters in <TT>srcChars</TT> to match
- * @param start the offset into this at which to start matching
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset lastIndexOf(const UChar *srcChars,
- int32_t srcLength,
- UTextOffset start) const;
-
- /**
- * Locate in this the last occurrence in the range
- * [<TT>start</TT>, <TT>start + length</TT>) of the characters
- * in <TT>srcChars</TT>, using bitwise comparison.
- * @param text The text to search for.
- * @param srcLength the number of characters in <TT>srcChars</TT>
- * @param start The offset at which searching will start.
- * @param length The number of characters to search
- * @return The offset into this of the start of <TT>srcChars</TT>,
- * or -1 if not found.
- */
- inline UTextOffset lastIndexOf(const UChar *srcChars,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const;
-
- /**
- * Locate in this the last occurrence in the range
- * [<TT>start</TT>, <TT>start + length</TT>) of the characters
- * in <TT>srcChars</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>),
- * using bitwise comparison.
- * @param srcChars The text to search for.
- * @param srcStart the offset into <TT>srcChars</TT> at which
- * to start matching
- * @param srcLength the number of characters in <TT>srcChars</TT> to match
- * @param start the offset into this at which to start matching
- * @param length the number of characters in this to search
- * @return The offset into this of the start of <TT>text</TT>,
- * or -1 if not found.
- */
- inline UTextOffset lastIndexOf(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const;
-
- /**
- * Locate in this the last occurrence of the character <TT>c</TT>,
- * using bitwise comparison.
- * @param c The character to search for.
- * @return The offset into this of <TT>c</TT>, or -1 if not found.
- */
- inline UTextOffset lastIndexOf(UChar c) const;
-
- /**
- * Locate in this the last occurrence of the character <TT>c</TT>
- * starting at offset <TT>start</TT>, using bitwise comparison.
- * @param c The character to search for.
- * @param start The offset at which searching will start.
- * @return The offset into this of <TT>c</TT>, or -1 if not found.
- */
- inline UTextOffset lastIndexOf(UChar c,
- UTextOffset start) const;
-
- /**
- * Locate in this the last occurrence of the character <TT>c</TT>
- * in the range [<TT>start</TT>, <TT>start + length</TT>),
- * using bitwise comparison.
- * @param c The character to search for.
- * @param start the offset into this at which to start matching
- * @param length the number of characters in this to search
- * @return The offset into this of <TT>c</TT>, or -1 if not found.
- */
- inline UTextOffset lastIndexOf(UChar c,
- UTextOffset start,
- int32_t length) const;
-
-
- /* Character access */
-
- /**
- * Return the character at offset <tt>offset</tt>.
- * @param offset a valid offset into the text
- * @returns the character at offset <tt>offset</tt>
- */
- inline UChar charAt(UTextOffset offset) const;
-
- /**
- * Return the character at offset <tt>offset</tt>.
- * @param offset a valid offset into the text
- * @returns the character at offset <tt>offset</tt>
- */
- inline UChar operator [] (UTextOffset offset) const;
-
-
- /* Substring extraction */
-
- /**
- * Copy the characters in the range
- * [<tt>start</tt>, <tt>start + length</tt>) into the array <tt>dst</tt>,
- * beginning at <tt>dstStart</tt>.
- * @param start offset of first character which will be copied into the array
- * @param length the number of characters to extract
- * @param dst array in which to copy characters. The length of <tt>dst</tt>
- * must be at least (<tt>dstStart + length</tt>).
- * @param dstStart the offset in <TT>dst</TT> where the first character
- * will be extracted
- */
- inline void extract(UTextOffset start,
- int32_t length,
- UChar *dst,
- UTextOffset dstStart = 0) const;
-
- /**
- * Copy the characters in the range
- * [<tt>start</tt>, <tt>start + length</tt>) into the UnicodeString
- * <tt>target</tt>.
- * @param start offset of first character which will be copied
- * @param length the number of characters to extract
- * @param target UnicodeString into which to copy characters.
- * @return A reference to <TT>target</TT>
- */
- inline void extract(UTextOffset start,
- int32_t length,
- UnicodeString& target) const;
-
- /**
- * Copy the characters in the range [<tt>start</tt>, <tt>limit</tt>)
- * into the array <tt>dst</tt>, beginning at <tt>dstStart</tt>.
- * @param start offset of first character which will be copied into the array
- * @param limit offset immediately following the last character to be copied
- * @param dst array in which to copy characters. The length of <tt>dst</tt>
- * must be at least (<tt>dstStart + (limit - start)</tt>).
- * @param dstStart the offset in <TT>dst</TT> where the first character
- * will be extracted
- */
- inline void extractBetween(UTextOffset start,
- UTextOffset limit,
- UChar *dst,
- UTextOffset dstStart = 0) const;
-
- /**
- * Copy the 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>
- */
- inline void extractBetween(UTextOffset start,
- UTextOffset limit,
- UnicodeString& target) const;
-
- /**
- * Copy the characters in the range
- * [<tt>start</TT>, <tt>start + length</TT>) into an array of characters
- * in a specified codepage.
- * @param start offset of first character which will be copied
- * @param length the number of characters to extract
- * @param target the target buffer for extraction
- * @param codepage the desired codepage for the characters. 0 has
- * the special meaning of the default codepage
- * @return the number of characters written to <TT>dst</TT>
- */
- int32_t extract(UTextOffset start,
- int32_t length,
- char *dst,
- const char *codepage = 0) const;
-
-
- /* Length operations */
-
- /**
- * Return the length of the UnicodeString object.
- * The length is the number of characters in the text.
- * @returns the length of the UnicodeString object
- */
- inline int32_t length(void) const;
-
- /**
- * Determine if this string is empty.
- * @return TRUE if this string contains 0 characters, FALSE otherwise.
- */
- inline bool_t empty(void) const;
-
-
- /* Other operations */
-
- /**
- * Generate a hash code for this object.
- * @return The hash code of this UnicodeString.
- */
- inline int32_t hashCode(void) const;
-
- /**
- * Determine if this string is still valid.
- * @return TRUE if the string is valid, FALSE otherwise
- */
- inline bool_t isBogus(void) const;
-
-
- //========================================
- // Write operations
- //========================================
-
- /* Assignment operations */
-
- /**
- * Assignment operator. Replace the characters in this UnicodeString
- * with the characters from <TT>srcText</TT>.
- * @param srcText The text containing the characters to replace
- * @return a reference to this
- */
- UnicodeString& operator= (const UnicodeString& srcText);
-
- /**
- * Assignment operator. Replace the characters in this UnicodeString
- * with the character <TT>ch</TT>.
- * @param ch the character to replace
- * @return a reference to this
- */
- inline UnicodeString& operator= (UChar ch);
-
- /**
- * Set the text in the UnicodeString object to the characters
- * in <TT>srcText</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>).
- * <TT>srcText</TT> is not modified.
- * @param srcText the source for the new characters
- * @param srcStart the offset into <TT>srcText</TT> where new characters
- * will be obtained
- * @param srcLength the number of characters in <TT>srcText</TT> in the
- * replace string.
- * @return a reference to this
- */
- inline UnicodeString& setTo(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength);
-
- /**
- * Set the text in the UnicodeString object to the characters in
- * <TT>srcText</TT>.
- * <TT>srcText</TT> is not modified.
- * @param srcText the source for the new characters
- * @return a reference to this
- */
- inline UnicodeString& setTo(const UnicodeString& srcText);
-
- /**
- * Set the characters in the UnicodeString object to the characters
- * in <TT>srcChars</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>).
- * <TT>srcChars</TT> is not modified.
- * @param srcChars the source for the new characters
- * @param srcStart the offset into <TT>srcChars</TT> where new characters
- * will be obtained
- * @param srcLength the number of characters in <TT>srcChars</TT> in the
- * replace string
- * @return a reference to this
- */
- inline UnicodeString& setTo(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength);
-
- /**
- * Set the characters in the UnicodeString object to the characters
- * in <TT>srcChars</TT>. <TT>srcChars</TT> is not modified.
- * @param srcChars the source for the new characters
- * @param srcLength the number of Unicode characters in srcChars.
- * @return a reference to this
- */
- inline UnicodeString& setTo(const UChar *srcChars,
- int32_t srcLength);
-
- /**
- * Set the characters in the UnicodeString object to the character
- * <TT>srcChar</TT>.
- * @param srcChar the character which becomes the UnicodeString's character
- * content
- * @return a reference to this
- */
- UnicodeString& setTo(UChar srcChar);
-
- /**
- * Set the character at the specified offset to the specified character.
- * @param offset A valid offset into the text of the character to set
- * @param ch The new character
- * @return A reference to this
- */
- UnicodeString& setCharAt(UTextOffset offset,
- UChar ch);
-
-
- /* Append operations */
-
- /**
- * Append operator. Append the character <TT>ch</TT> to the UnicodeString
- * object.
- * @param ch the character to be appended
- * @return a reference to this
- */
- inline UnicodeString& operator+= (UChar ch);
-
- /**
- * Append operator. Append the characters in <TT>srcText</TT> to the
- * UnicodeString object at offset <TT>start</TT>. <TT>srcText</TT> is
- * not modified.
- * @param srcText the source for the new characters
- * @return a reference to this
- */
- inline UnicodeString& operator+= (const UnicodeString& srcText);
-
- /**
- * Append the characters
- * in <TT>srcText</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>) to the
- * UnicodeString object at offset <TT>start</TT>. <TT>srcText</TT>
- * is not modified.
- * @param srcText the source for the new characters
- * @param srcStart the offset into <TT>srcText</TT> where new characters
- * will be obtained
- * @param srcLength the number of characters in <TT>srcText</TT> in
- * the append string
- * @return a reference to this
- */
- inline UnicodeString& append(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength);
-
- /**
- * Append the characters in <TT>srcText</TT> to the UnicodeString object at
- * offset <TT>start</TT>. <TT>srcText</TT> is not modified.
- * @param srcText the source for the new characters
- * @return a reference to this
- */
- inline UnicodeString& append(const UnicodeString& srcText);
-
- /**
- * Append the characters in <TT>srcChars</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>) to the UnicodeString
- * object at offset
- * <TT>start</TT>. <TT>srcChars</TT> is not modified.
- * @param srcChars the source for the new characters
- * @param srcStart the offset into <TT>srcChars</TT> where new characters
- * will be obtained
- * @param srcLength the number of characters in <TT>srcChars</TT> in
- * the append string
- * @return a reference to this
- */
- inline UnicodeString& append(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength);
-
- /**
- * Append the characters in <TT>srcChars</TT> to the UnicodeString object
- * at offset <TT>start</TT>. <TT>srcChars</TT> is not modified.
- * @param srcChars the source for the new characters
- * @param srcLength the number of Unicode characters in <TT>srcChars</TT>
- * @return a reference to this
- */
- inline UnicodeString& append(const UChar *srcChars,
- int32_t srcLength);
-
- /**
- * Append the character <TT>srcChar</TT> to the UnicodeString object.
- * @param srcChar the character to append
- * @return a reference to this
- */
- inline UnicodeString& append(UChar srcChar);
-
-
- /* Insert operations */
-
- /**
- * Insert the characters in <TT>srcText</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>) into the UnicodeString
- * object at offset <TT>start</TT>. <TT>srcText</TT> is not modified.
- * @param start the offset where the insertion begins
- * @param srcText the source for the new characters
- * @param srcStart the offset into <TT>srcText</TT> where new characters
- * will be obtained
- * @param srcLength the number of characters in <TT>srcText</TT> in
- * the insert string
- * @return a reference to this
- */
- inline UnicodeString& insert(UTextOffset start,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength);
-
- /**
- * Insert the characters in <TT>srcText</TT> into the UnicodeString object
- * at offset <TT>start</TT>. <TT>srcText</TT> is not modified.
- * @param start the offset where the insertion begins
- * @param srcText the source for the new characters
- * @return a reference to this
- */
- inline UnicodeString& insert(UTextOffset start,
- const UnicodeString& srcText);
-
- /**
- * Insert the characters in <TT>srcChars</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>) into the UnicodeString
- * object at offset <TT>start</TT>. <TT>srcChars</TT> is not modified.
- * @param start the offset at which the insertion begins
- * @param srcChars the source for the new characters
- * @param srcStart the offset into <TT>srcChars</TT> where new characters
- * will be obtained
- * @param srcLength the number of characters in <TT>srcChars</TT>
- * in the insert string
- * @return a reference to this
- */
- inline UnicodeString& insert(UTextOffset start,
- const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength);
-
- /**
- * Insert the characters in <TT>srcChars</TT> into the UnicodeString object
- * at offset <TT>start</TT>. <TT>srcChars</TT> is not modified.
- * @param start the offset where the insertion begins
- * @param srcChars the source for the new characters
- * @param srcLength the number of Unicode characters in srcChars.
- * @return a reference to this
- */
- inline UnicodeString& insert(UTextOffset start,
- const UChar *srcChars,
- int32_t srcLength);
-
- /**
- * Insert the character <TT>srcChar</TT> into the UnicodeString object at
- * offset <TT>start</TT>.
- * @param start the offset at which the insertion occurs
- * @param srcChar the character to insert
- * @return a reference to this
- */
- inline UnicodeString& insert(UTextOffset start,
- UChar srcChar);
-
-
- /* Replace operations */
-
- /**
- * Replace the characters in the range
- * [<TT>start</TT>, <TT>start + length</TT>) with the characters in
- * <TT>srcText</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>).
- * <TT>srcText</TT> is not modified.
- * @param start the offset at which the replace operation begins
- * @param length the number of characters to replace. The character at
- * <TT>start + length</TT> is not modified.
- * @param srcText the source for the new characters
- * @param srcStart the offset into <TT>srcText</TT> where new characters
- * will be obtained
- * @param srcLength the number of characters in <TT>srcText</TT> in
- * the replace string
- * @return a reference to this
- */
- UnicodeString& replace(UTextOffset start,
- int32_t length,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength);
-
- /**
- * Replace the characters in the range
- * [<TT>start</TT>, <TT>start + length</TT>)
- * with the characters in <TT>srcText</TT>. <TT>srcText</TT> is
- * not modified.
- * @param start the offset at which the replace operation begins
- * @param length the number of characters to replace. The character at
- * <TT>start + length</TT> is not modified.
- * @param srcText the source for the new characters
- * @return a reference to this
- */
- UnicodeString& replace(UTextOffset start,
- int32_t length,
- const UnicodeString& srcText);
-
- /**
- * Replace the characters in the range
- * [<TT>start</TT>, <TT>start + length</TT>) with the characters in
- * <TT>srcChars</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcStart + srcLength</TT>). <TT>srcChars</TT>
- * is not modified.
- * @param start the offset at which the replace operation begins
- * @param length the number of characters to replace. The character at
- * <TT>start + length</TT> is not modified.
- * @param srcChars the source for the new characters
- * @param srcStart the offset into <TT>srcChars</TT> where new characters
- * will be obtained
- * @param srcLength the number of characters in <TT>srcChars</TT>
- * in the replace string
- * @return a reference to this
- */
- UnicodeString& replace(UTextOffset start,
- int32_t length,
- const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength);
-
- /**
- * Replace the characters in the range
- * [<TT>start</TT>, <TT>start + length</TT>) with the characters in
- * <TT>srcChars</TT>. <TT>srcChars</TT> is not modified.
- * @param start the offset at which the replace operation begins
- * @param length number of characters to replace. The character at
- * <TT>start + length</TT> is not modified.
- * @param srcChars the source for the new characters
- * @param srcLength the number of Unicode characters in srcChars
- * @return a reference to this
- */
- inline UnicodeString& replace(UTextOffset start,
- int32_t length,
- const UChar *srcChars,
- int32_t srcLength);
-
- /**
- * Replace the characters in the range
- * [<TT>start</TT>, <TT>start + length</TT>) with the character
- * <TT>srcChar</TT>.
- * @param start the offset at which the replace operation begins
- * @param length the number of characters to replace. The character at
- * <TT>start + length</TT> is not modified.
- * @param srcChar the new character
- * @return a reference to this
- */
- inline UnicodeString& replace(UTextOffset start,
- int32_t length,
- UChar srcChar);
-
- /**
- * Replace the characters in the range [<TT>start</TT>, <TT>limit</TT>)
- * with the characters in <TT>srcText</TT>. <TT>srcText</TT> is not modified.
- * @param start the offset at which the replace operation begins
- * @param limit the offset immediately following the replace range
- * @param srcText the source for the new characters
- * @return a reference to this
- */
- inline UnicodeString& replaceBetween(UTextOffset start,
- UTextOffset limit,
- const UnicodeString& srcText);
-
- /**
- * Replace the characters in the range [<TT>start</TT>, <TT>limit</TT>)
- * with the characters in <TT>srcText</TT> in the range
- * [<TT>srcStart</TT>, <TT>srcLimit</TT>). <TT>srcText</TT> is not modified.
- * @param start the offset at which the replace operation begins
- * @param limit the offset immediately following the replace range
- * @param srcText the source for the new characters
- * @param srcStart the offset into <TT>srcChars</TT> where new characters
- * will be obtained
- * @param srcLimit the offset immediately following the range to copy
- * in <TT>srcText</TT>
- * @return a reference to this
- */
- inline UnicodeString& replaceBetween(UTextOffset start,
- UTextOffset limit,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- UTextOffset srcLimit);
-
-
- /* Search and replace operations */
-
- /**
- * Replace all occurrences of characters in oldText with the characters
- * in newText
- * @param oldText the text containing the search text
- * @param newText the text containing the replacement text
- * @return a reference to this
- */
- inline UnicodeString& findAndReplace(const UnicodeString& oldText,
- const UnicodeString& newText);
-
- /**
- * Replace all occurrences of characters in oldText with characters
- * in newText
- * in the range [<TT>start</TT>, <TT>start + length</TT>).
- * @param start the start of the range in which replace will performed
- * @param length the length of the range in which replace will be performed
- * @param oldText the text containing the search text
- * @param newText the text containing the replacement text
- * @return a reference to this
- */
- inline UnicodeString& findAndReplace(UTextOffset start,
- int32_t length,
- const UnicodeString& oldText,
- const UnicodeString& newText);
-
- /**
- * Replace all occurrences of characters in oldText in the range
- * [<TT>oldStart</TT>, <TT>oldStart + oldLength</TT>) with the characters
- * in newText in the range
- * [<TT>newStart</TT>, <TT>newStart + newLength</TT>)
- * in the range [<TT>start</TT>, <TT>start + length</TT>).
- * @param start the start of the range in which replace will performed
- * @param length the length of the range in which replace will be performed
- * @param oldText the text containing the search text
- * @param oldStart the start of the search range in <TT>oldText</TT>
- * @param oldLength the length of the search range in <TT>oldText</TT>
- * @param newText the text containing the replacement text
- * @param newStart the start of the replacement range in <TT>newText</TT>
- * @param newLength the length of the replacement range in <TT>newText</TT>
- * @return a reference to this
- */
- inline UnicodeString& findAndReplace(UTextOffset start,
- int32_t length,
- const UnicodeString& oldText,
- UTextOffset oldStart,
- int32_t oldLength,
- const UnicodeString& newText,
- UTextOffset newStart,
- int32_t newLength);
-
-
- /* Remove operations */
-
- /**
- * Remove all characters from the UnicodeString object.
- * @return a reference to this
- */
- inline UnicodeString& remove(void);
-
- /**
- * Remove the characters in the range
- * [<TT>start</TT>, <TT>start + length</TT>) from the UnicodeString object.
- * @param start the offset of the first character to remove
- * @param length the number of characters to remove
- * @return a reference to this
- */
- inline UnicodeString& remove(UTextOffset start,
- int32_t length = LONG_MAX);
-
- /**
- * Remove the characters in the range
- * [<TT>start</TT>, <TT>limit</TT>) from the UnicodeString object.
- * @param start the offset of the first character to remove
- * @param limit the offset immediately following the range to remove
- * @return a reference to this
- */
- inline UnicodeString& removeBetween(UTextOffset start,
- UTextOffset limit = LONG_MAX);
-
-
- /* Length operations */
-
- /**
- * Pad the start of this UnicodeString with the character <TT>padChar</TT>.
- * If the length of this UnicodeString is less than targetLength,
- * length() - targetLength copies of padChar will be added to the
- * beginning of this UnicodeString.
- * @param targetLength the desired length of the string
- * @param padChar the character to use for padding. Defaults to
- * space (U+0020)
- * @return TRUE if the text was padded, FALSE otherwise.
- */
- inline bool_t padLeading(int32_t targetLength,
- UChar padChar = 0x0020);
-
- /**
- * Pad the end of this UnicodeString with the character <TT>padChar</TT>.
- * If the length of this UnicodeString is less than targetLength,
- * length() - targetLength copies of padChar will be added to the
- * end of this UnicodeString.
- * @param targetLength the desired length of the string
- * @param padChar the character to use for padding. Defaults to
- * space (U+0020)
- * @return TRUE if the text was padded, FALSE otherwise.
- */
- inline bool_t padTrailing(int32_t targetLength,
- UChar padChar = 0x0020);
-
- /**
- * Truncate this UnicodeString to the <TT>targetLength</TT>.
- * @param targetLength the desired length of this UnicodeString.
- * @return TRUE if the text was truncated, FALSE otherwise
- */
- inline bool_t truncate(int32_t targetLength);
-
- /**
- * Trims leading and trailing whitespace from this UnicodeString.
- * @return a reference to this
- */
- inline UnicodeString& trim(void);
-
-
- /* Miscellaneous operations */
-
- /**
- * Reverse this UnicodeString in place.
- * @return a reference to this
- */
- inline UnicodeString& reverse(void);
-
- /**
- * Reverse the range [<TT>start</TT>, <TT>start + length</TT>) in
- * this UnicodeString.
- * @param start the start of the range to reverse
- * @param length the number of characters to to reverse
- * @return a reference to this
- */
- inline UnicodeString& reverse(UTextOffset start,
- int32_t length);
-
- /**
- * Convert the characters in this to UPPER CASE following the conventions of
- * the default locale.
- * @return A reference to this.
- */
- UnicodeString& toUpper(void);
-
- /**
- * Convert the characters in this to UPPER CASE following the conventions of
- * a specific locale.
- * @param locale The locale containing the conventions to use.
- * @return A reference to this.
- */
- UnicodeString& toUpper(const Locale& locale);
-
- /**
- * Convert the characters in this to UPPER CASE following the conventions of
- * the default.
- * @return A reference to this.
- */
- UnicodeString& toLower(void);
-
- /**
- * Convert the characters in this to UPPER CASE following the conventions of
- * a specific locale.
- * @param locale The locale containing the conventions to use.
- * @return A reference to this.
- */
- UnicodeString& toLower(const Locale& locale);
-
-
- //========================================
- // Constructors
- //========================================
-
- /** Construct an empty UnicodeString. */
- UnicodeString();
-
-
- /**
- * Construct a UnicodeString with capacity to hold <TT>capacity</TT> UChars
- * @param capacity the number of UChars this UnicodeString should hold
- * before a resize is necessary
- */
- UnicodeString(int32_t capacity);
-
- /**
- * Single UChar constructor.
- * @param ch the character to place in the UnicodeString
- */
- UnicodeString(UChar ch);
-
- /**
- * UChar* constructor.
- * @param text The characters to place in the UnicodeString. <TT>text</TT>
- * must be NULL (U+0000) terminated.
- */
- UnicodeString(const UChar *text);
-
- /**
- * UChar* constructor.
- * @param text The characters to place in the UnicodeString.
- * @param textLength The number of Unicode characters in <TT>text</TT>
- * to copy.
- */
- UnicodeString(const UChar *text,
- int32_t textLength);
-
- /**
- * char* constructor.
- * @param codepageData an array of bytes, null-terminated
- * @param codepage the encoding of <TT>codepageData</TT>. The special
- * value 0 for <TT>codepage</TT> indicates that the text is in the
- * platform's default codepage.
- */
- UnicodeString(const char *codepageData,
- const char *codepage = 0);
-
- /**
- * char* constructor.
- * @param codepageData an array of bytes.
- * @param dataLength The number of bytes in <TT>codepageData</TT>.
- * @param codepage the encoding of <TT>codepageData</TT>. The special
- * value 0 for <TT>codepage</TT> indicates that the text is in the
- * platform's default codepage.
- */
- UnicodeString(const char *codepageData,
- int32_t dataLength,
- const char *codepage = 0);
-
- /**
- * Copy constructor.
- * @param that The UnicodeString object to copy.
- */
- inline UnicodeString(const UnicodeString& that);
-
- /** Destructor. */
- ~UnicodeString();
-
-
- /* Miscellaneous operations */
-
- /**
- * Returns the number of display cells occupied by the range
- * [<TT>start</TT>, <TT>length</TT>).
- * This function is designed for Asian text and properly takes into account
- * halfwidth and fullwidth variants of various CJK characters and the
- * combining behavior of the Hangul Jamo characters (with some limitations;
- * see documentation for Unicode::getCellWidth()).<BR>
- * In order to avoid dealing with fractions, this function can either be
- * construed to return twice the actual number of display cells or to
- * treat a "cell" as the width of a halfwidth character rather than the
- * width of a fullwidth character.
- * @param start the start of the range
- * @param length the number of characters to measure
- * @param asian The <TT>asian</TT> parameter controls whether characters
- * considered NEUTRAL by the Unicode class are treated as halfwidth or
- * fullwidth here. If you set <TT>asian</TT> to FALSE, neutrals are
- * treated as halfwidth, and this function returns a close approximation
- * of how many Latin display cells the text will take up in a monospaced
- * font.
- * @return the number of display cells occupied by the specified substring.
- */
- int32_t numDisplayCells(UTextOffset start = 0,
- int32_t length = LONG_MAX,
- bool_t asian = TRUE) const;
-
-
- UCharReference operator[] (UTextOffset pos);
-
- // {sfb} remove these later?
- /* Hack to avoid circular dependencies */
-
- /**
- * Convert the characters in this to UPPER CASE following the conventions of
- * the default locale.
- * @retrurn A reference to this.
- */
- // UnicodeString& toUpper();
-
- /**
- * Convert the characters in this to lower case following the conventions of
- * the default locale.
- * @retrurn A reference to this.
- */
- // UnicodeString& toLower();
-
-
- //========================================
- // Implementation methods
- //========================================
-
- private:
-
- int8_t doCompare(UTextOffset start,
- int32_t length,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength) const;
-
- int8_t doCompare(UTextOffset start,
- int32_t length,
- const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength) const;
-
- UTextOffset doIndexOf(UChar c,
- UTextOffset start,
- int32_t length) const;
-
- UTextOffset doLastIndexOf(UChar c,
- UTextOffset start,
- int32_t length) const;
-
- void doExtract(UTextOffset start,
- int32_t length,
- UChar *dst,
- UTextOffset dstStart) const;
-
- inline void doExtract(UTextOffset start,
- int32_t length,
- UnicodeString& target) const;
-
- inline UChar doCharAt(UTextOffset offset) const;
-
- UnicodeString& doSetCharAt(UTextOffset offset,
- UChar c);
-
- UnicodeString& doReplace(UTextOffset start,
- int32_t length,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength);
-
- UnicodeString& doReplace(UTextOffset start,
- int32_t length,
- const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength);
-
- UnicodeString& doReverse(UTextOffset start,
- int32_t length);
-
- // calculate hash code
- int32_t doHashCode(void);
-
- // get pointer to start of array
- inline UChar* getArrayStart(void);
- inline const UChar* getArrayStart(void) const;
-
- // get the "real" capacity of the array, adjusted for ref count
- inline int32_t getCapacity(void) const;
-
- // utility method to get around lack of exception handling
- void setToBogus(void);
-
- // Pin start and limit to acceptable values.
- void pinIndices(UTextOffset& start,
- int32_t& length) const;
-
- // Real ctor for converting from codepage data
- void doCodepageCreate(const char *codepageData,
- int32_t dataLength,
- const char *codepage);
-
- // clones array if refCount > 1
- void cloneArrayIfNeeded(void);
-
- // ref counting
- inline uint16_t addRef(void);
- inline uint16_t removeRef(void);
- inline uint16_t refCount(void) const;
- inline uint16_t setRefCount(uint16_t count);
-
- UChar fStackBuffer [ US_STACKBUF_SIZE ]; // buffer for small strings
- UChar *fArray; // the Unicode data
- int32_t fLength; // number characters in fArray
- int32_t fCapacity; // sizeof fArray
- bool_t fRefCounted; // indicates if we own storage
- int32_t fHashCode; // the hash code
- bool_t fBogus; // indicates if an operation failed
-
- // constants
- static const UChar fgInvalidUChar; // invalid UChar index
- static const int32_t kGrowSize; // grow size for this buffer
- static const int32_t kInvalidHashCode; // invalid hash code
- static const int32_t kEmptyHashCode; // hash code for empty string
-
- // statics
- inline static int32_t allocation(int32_t minSize); // allocation algorithm
- inline static UChar* allocate(int32_t minSize, // allocate buffer >= minSize
- int32_t& actualSize);
-
- // default converter cache
- static UConverter* getDefaultConverter(UErrorCode& status);
- static void releaseDefaultConverter(UConverter *converter);
-
- static UConverter *fgDefaultConverter;
-
- friend class UnicodeStringStreamer;
-
- public:
-
- //========================================
- // Deprecated API
- //========================================
-
- // size() -> length()
- inline int32_t size(void) const;
-
- // parameters reordered for consistency
- inline UnicodeString& findAndReplace(const UnicodeString& oldText,
- const UnicodeString& newText,
- UTextOffset start,
- int32_t length);
-
- inline void* operator new(size_t size);
- inline void* operator new(size_t size, void *location);
- inline void operator delete(void *location);
-
-
- //========================================
- // Non-public API - will be removed!
- //========================================
- UnicodeString(UChar *buff, int32_t bufLength, int32_t buffCapacity);
- const UChar* getUChars(void) const;
- inline const UChar* getUniChars(void) const;
- UChar* orphanStorage(void);
-
- };
-
- //========================================
- // Array copying
- //========================================
- // Copy an array of UnicodeString OBJECTS (not pointers).
- inline void
- icu_arrayCopy(const UnicodeString *src, UnicodeString *dst, int32_t count)
- { while(count-- > 0) *dst++ = *src++; }
-
- inline void
- icu_arrayCopy(const UnicodeString *src, int32_t srcStart,
- UnicodeString *dst, int32_t dstStart, int32_t count)
- { icu_arrayCopy(src+srcStart, dst+dstStart, count); }
-
-
- //========================================
- // Inline members
- //========================================
- inline
- UnicodeString::UnicodeString(const UnicodeString& that)
- : fArray(fStackBuffer), fLength(0), fCapacity(US_STACKBUF_SIZE),
- fRefCounted(FALSE), fHashCode(kEmptyHashCode), fBogus(FALSE)
- { *this = that; }
-
-
- //========================================
- // Read-only alias methods
- //========================================
- inline bool_t
- UnicodeString::operator== (const UnicodeString& text) const
- { return (fLength == text.fLength
- && doCompare(0, fLength, text, 0, text.fLength) == 0); }
-
- inline bool_t
- UnicodeString::operator!= (const UnicodeString& text) const
- { return (! operator==(text)); }
-
- inline bool_t
- UnicodeString::operator> (const UnicodeString& text) const
- { return doCompare(0, fLength, text, 0, text.fLength) == 1; }
-
- inline bool_t
- UnicodeString::operator< (const UnicodeString& text) const
- { return doCompare(0, fLength, text, 0, text.fLength) == -1; }
-
- inline bool_t
- UnicodeString::operator>= (const UnicodeString& text) const
- { return doCompare(0, fLength, text, 0, text.fLength) != -1; }
-
- inline bool_t
- UnicodeString::operator<= (const UnicodeString& text) const
- { return doCompare(0, fLength, text, 0, text.fLength) != 1; }
-
- inline int8_t
- UnicodeString::compare(const UnicodeString& text) const
- { return doCompare(0, fLength, text, 0, text.fLength); }
-
- inline int8_t
- UnicodeString::compare(UTextOffset start,
- int32_t length,
- const UnicodeString& srcText) const
- { return doCompare(start, length, srcText, 0, srcText.fLength); }
-
- inline int8_t
- UnicodeString::compare(const UChar *srcChars,
- int32_t srcLength) const
- { return doCompare(0, fLength, srcChars, 0, srcLength); }
-
- inline int8_t
- UnicodeString::compare(UTextOffset start,
- int32_t length,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength) const
- { return doCompare(start, length, srcText, srcStart, srcLength); }
-
- inline int8_t
- UnicodeString::compare(UTextOffset start,
- int32_t length,
- const UChar *srcChars) const
- { return doCompare(start, length, srcChars, 0, length); }
-
- inline int8_t
- UnicodeString::compare(UTextOffset start,
- int32_t length,
- const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength) const
- { return doCompare(start, length, srcChars, srcStart, srcLength); }
-
- inline int8_t
- UnicodeString::compareBetween(UTextOffset start,
- UTextOffset limit,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- UTextOffset srcLimit) const
- { return doCompare(start, limit - start,
- srcText, srcStart, srcLimit - srcStart); }
-
- inline UTextOffset
- UnicodeString::indexOf(const UnicodeString& text) const
- { return indexOf(text, 0, text.fLength, 0, fLength); }
-
- inline UTextOffset
- UnicodeString::indexOf(const UnicodeString& text,
- UTextOffset start) const
- { return indexOf(text, 0, text.fLength, start, fLength - start); }
-
- inline UTextOffset
- UnicodeString::indexOf(const UnicodeString& text,
- UTextOffset start,
- int32_t length) const
- { return indexOf(text, 0, text.fLength, start, length); }
-
- inline UTextOffset
- UnicodeString::indexOf(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const
- {
- UTextOffset pos = 0, myStart = start;
- int32_t myLength = length, limit = start + length;
-
- // cache for speed
- UChar ch = srcText.charAt(srcStart);
-
- while( (pos = indexOf(ch, myStart, myLength)) != -1 && myLength > 0) {
- if(compare(pos, srcLength, srcText, srcStart, srcLength) == 0)
- return pos;
-
- myStart = pos + 1;
- myLength = limit - myStart;
- }
-
- return -1;
- }
-
- inline UTextOffset
- UnicodeString::indexOf(const UChar *srcChars,
- int32_t srcLength,
- UTextOffset start) const
- { return indexOf(srcChars, 0, srcLength, start, fLength - start); }
-
- inline UTextOffset
- UnicodeString::indexOf(const UChar *srcChars,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const
- { return indexOf(srcChars, 0, srcLength, start, length); }
-
- inline UTextOffset
- UnicodeString::indexOf(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const
- {
- UTextOffset pos = 0, myStart = start;
- int32_t myLength = length, limit = start + length;
-
- // cache for speed
- UChar ch = srcChars[srcStart];
-
- while( (pos = indexOf(ch, myStart, myLength)) != -1 && myLength > 0) {
- if(compare(pos, srcLength, srcChars, srcStart, srcLength) == 0)
- return pos;
-
- myStart = pos + 1;
- myLength = limit - myStart;
- }
-
- return -1;
- }
-
- inline UTextOffset
- UnicodeString::indexOf(UChar c) const
- { return doIndexOf(c, 0, fLength); }
-
- inline UTextOffset
- UnicodeString::indexOf(UChar c,
- UTextOffset start) const
- { return doIndexOf(c, start, fLength - start); }
-
- inline UTextOffset
- UnicodeString::indexOf(UChar c,
- UTextOffset start,
- int32_t length) const
- { return doIndexOf(c, start, length); }
-
- inline UTextOffset
- UnicodeString::lastIndexOf(const UnicodeString& text) const
- { return lastIndexOf(text, 0, text.fLength, 0, fLength); }
-
- inline UTextOffset
- UnicodeString::lastIndexOf(const UnicodeString& text,
- UTextOffset start) const
- { return lastIndexOf(text, 0, text.fLength, start, fLength - start); }
-
- inline UTextOffset
- UnicodeString::lastIndexOf(const UnicodeString& text,
- UTextOffset start,
- int32_t length) const
- { return lastIndexOf(text, 0, text.fLength, start, length); }
-
- inline UTextOffset
- UnicodeString::lastIndexOf(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const
- {
- UTextOffset pos = 0, myStart = start;
- int32_t myLength = length, limit = start + length;
-
- // cache for speed
- UChar ch = srcText.charAt(srcStart);
-
- while( (pos = lastIndexOf(ch, myStart, myLength)) != -1 && myLength > 0) {
- if(compare(pos, srcLength, srcText, srcStart, srcLength) == 0)
- return pos;
-
- myLength = pos - myStart - 1;
- }
-
- return -1;
- }
-
- inline UTextOffset
- UnicodeString::lastIndexOf(const UChar *srcChars,
- int32_t srcLength,
- UTextOffset start) const
- { return lastIndexOf(srcChars, 0, srcLength, start, fLength - start); }
-
- inline UTextOffset
- UnicodeString::lastIndexOf(const UChar *srcChars,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const
- { return lastIndexOf(srcChars, 0, srcLength, start, length); }
-
- inline UTextOffset
- UnicodeString::lastIndexOf(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength,
- UTextOffset start,
- int32_t length) const
- {
- UTextOffset pos = 0, myStart = start;
- int32_t myLength = length, limit = start + length;
-
- // cache for speed
- UChar ch = srcChars[srcStart];
-
- while( (pos = lastIndexOf(ch, myStart, myLength)) != -1 && myLength > 0) {
- if(compare(pos, srcLength, srcChars, srcStart, srcLength) == 0)
- return pos;
-
- myLength = pos - myStart - 1;
- }
-
- return -1;
- }
-
- inline UTextOffset
- UnicodeString::lastIndexOf(UChar c) const
- { return doLastIndexOf(c, 0, fLength); }
-
- inline UTextOffset
- UnicodeString::lastIndexOf(UChar c,
- UTextOffset start) const
- { return doLastIndexOf(c, start, fLength - start); }
-
- inline UTextOffset
- UnicodeString::lastIndexOf(UChar c,
- UTextOffset start,
- int32_t length) const
- { return doLastIndexOf(c, start, length); }
-
- inline bool_t
- UnicodeString::startsWith(const UnicodeString& text) const
- { return compare(0, text.fLength, text, 0, text.fLength) == 0; }
-
- inline bool_t
- UnicodeString::startsWith(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength) const
- { return doCompare(0, srcLength, srcText, srcStart, srcLength) == 0; }
-
- inline bool_t
- UnicodeString::startsWith(const UChar *srcChars,
- int32_t srcLength) const
- { return doCompare(0, srcLength, srcChars, 0, srcLength) == 0; }
-
- inline bool_t
- UnicodeString::startsWith(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength) const
- { return doCompare(0, srcLength, srcChars, srcStart, srcLength) == 0;}
-
- inline bool_t
- UnicodeString::endsWith(const UnicodeString& text) const
- { return doCompare(fLength - text.fLength, text.fLength,
- text, 0, text.fLength) == 0; }
-
- inline bool_t
- UnicodeString::endsWith(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength) const
- { return doCompare(fLength - srcLength, srcLength,
- srcText, srcStart, srcLength) == 0; }
-
- inline bool_t
- UnicodeString::endsWith(const UChar *srcChars,
- int32_t srcLength) const
- { return doCompare(fLength - srcLength, srcLength,
- srcChars, 0, srcLength) == 0; }
-
- inline bool_t
- UnicodeString::endsWith(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength) const
- { return doCompare(fLength - srcLength, srcLength,
- srcChars, srcStart, srcLength) == 0;}
- //========================================
- // replace
- //========================================
- inline UnicodeString&
- UnicodeString::replace(UTextOffset start,
- int32_t length,
- const UnicodeString& srcText)
- { return doReplace(start, length, srcText, 0, srcText.fLength); }
-
- inline UnicodeString&
- UnicodeString::replace(UTextOffset start,
- int32_t length,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength)
- { return doReplace(start, length, srcText, srcStart, srcLength); }
-
- inline UnicodeString&
- UnicodeString::replace(UTextOffset start,
- int32_t length,
- const UChar *srcChars,
- int32_t srcLength)
- { return doReplace(start, length, srcChars, 0, srcLength); }
-
- inline UnicodeString&
- UnicodeString::replace(UTextOffset start,
- int32_t length,
- const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength)
- { return doReplace(start, length, srcChars, srcStart, srcLength); }
-
- inline UnicodeString&
- UnicodeString::replace(UTextOffset start,
- int32_t length,
- UChar srcChar)
- { return doReplace(start, length, &srcChar, 0, 1); }
-
- inline UnicodeString&
- UnicodeString::replaceBetween(UTextOffset start,
- UTextOffset limit,
- const UnicodeString& srcText)
- { return doReplace(start, limit - start, srcText, 0, srcText.fLength); }
-
- inline UnicodeString&
- UnicodeString::replaceBetween(UTextOffset start,
- UTextOffset limit,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- UTextOffset srcLimit)
- { return doReplace(start, limit - start, srcText, srcStart, srcLimit - srcStart); }
-
- inline UnicodeString&
- UnicodeString::findAndReplace(const UnicodeString& oldText,
- const UnicodeString& newText)
- { return findAndReplace(0, fLength, oldText, 0, oldText.fLength,
- newText, 0, newText.fLength); }
-
- inline UnicodeString&
- UnicodeString::findAndReplace(UTextOffset start,
- int32_t length,
- const UnicodeString& oldText,
- const UnicodeString& newText)
- { return findAndReplace(start, length, oldText, 0, oldText.fLength,
- newText, 0, newText.fLength); }
-
- inline UnicodeString&
- UnicodeString::findAndReplace(UTextOffset start,
- int32_t length,
- const UnicodeString& oldText,
- UTextOffset oldStart,
- int32_t oldLength,
- const UnicodeString& newText,
- UTextOffset newStart,
- int32_t newLength)
- {
- UTextOffset pos;
-
- for(UTextOffset i = start; i < start + length; ++i) {
- pos = indexOf(oldText, oldStart, oldLength, i, length - i + start);
- if(pos != -1) {
- replace(pos, oldLength, newText, newStart, newLength);
- i += newLength;
- }
- }
-
- return *this;
- }
-
- // ============================
- // extract
- // ============================
- inline void
- UnicodeString::doExtract(UTextOffset start,
- int32_t length,
- UnicodeString& target) const
- { target.replace(0, target.fLength, *this, start, length); }
-
- inline void
- UnicodeString::extract(UTextOffset start,
- int32_t length,
- UChar *dst,
- UTextOffset dstStart) const
- { doExtract(start, length, dst, dstStart); }
-
- inline void
- UnicodeString::extract(UTextOffset start,
- int32_t length,
- UnicodeString& target) const
- { doExtract(start, length, target); }
-
- inline void
- UnicodeString::extractBetween(UTextOffset start,
- UTextOffset limit,
- UChar *dst,
- UTextOffset dstStart) const
- { doExtract(start, limit - start, dst, dstStart); }
-
- inline void
- UnicodeString::extractBetween(UTextOffset start,
- UTextOffset limit,
- UnicodeString& target) const
- { doExtract(start, limit - start, target); }
-
- inline UChar
- UnicodeString::doCharAt(UTextOffset offset) const
- {
- if(offset < 0 || offset >= fLength)
- return fgInvalidUChar;
- // in ref-counted implementation, first char is ref count
- return fArray[ fRefCounted ? offset + 1 : offset ];
- }
-
- inline UChar
- UnicodeString::charAt(UTextOffset offset) const
- { return doCharAt(offset); }
-
- inline UChar
- UnicodeString::operator[] (UTextOffset offset) const
- { return doCharAt(offset); }
-
- inline bool_t
- UnicodeString::empty() const
- { return fLength == 0; }
-
- //========================================
- // Read-only implementation methods
- //========================================
- inline int32_t
- UnicodeString::length() const
- { return fLength; }
-
- inline int32_t
- UnicodeString::hashCode() const
- { return (fHashCode == kInvalidHashCode
- ? ((UnicodeString*)this)->doHashCode() : fHashCode); }
-
- //========================================
- // Write alias methods
- //========================================
- inline UnicodeString&
- UnicodeString::operator= (UChar ch)
- { return doReplace(0, fLength, &ch, 0, 1); }
-
- inline UnicodeString&
- UnicodeString::setTo(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength)
- { return doReplace(0, fLength, srcText, srcStart, srcLength); }
-
- inline UnicodeString&
- UnicodeString::setTo(const UnicodeString& srcText)
- { return doReplace(0, fLength, srcText, 0, srcText.fLength); }
-
- inline UnicodeString&
- UnicodeString::setTo(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength)
- { return doReplace(0, fLength, srcChars, srcStart, srcLength); }
-
- inline UnicodeString&
- UnicodeString::setTo(const UChar *srcChars,
- int32_t srcLength)
- { return doReplace(0, fLength, srcChars, 0, srcLength); }
-
- inline UnicodeString&
- UnicodeString::setTo(UChar srcChar)
- { return doReplace(0, fLength, &srcChar, 0, 1); }
-
- inline UnicodeString&
- UnicodeString::operator+= (UChar ch)
- { return doReplace(fLength, 0, &ch, 0, 1); }
-
- inline UnicodeString&
- UnicodeString::operator+= (const UnicodeString& srcText)
- { return doReplace(fLength, 0, srcText, 0, srcText.fLength); }
-
- inline UnicodeString&
- UnicodeString::append(const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength)
- { return doReplace(fLength, 0, srcText, srcStart, srcLength); }
-
- inline UnicodeString&
- UnicodeString::append(const UnicodeString& srcText)
- { return doReplace(fLength, 0, srcText, 0, srcText.fLength); }
-
- inline UnicodeString&
- UnicodeString::append(const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength)
- { return doReplace(fLength, 0, srcChars, srcStart, srcLength); }
-
- inline UnicodeString&
- UnicodeString::append(const UChar *srcChars,
- int32_t srcLength)
- { return doReplace(fLength, 0, srcChars, 0, srcLength); }
-
- inline UnicodeString&
- UnicodeString::append(UChar srcChar)
- { return doReplace(fLength, 0, &srcChar, 0, 1); }
-
- inline UnicodeString&
- UnicodeString::insert(UTextOffset start,
- const UnicodeString& srcText,
- UTextOffset srcStart,
- int32_t srcLength)
- { return doReplace(start, 0, srcText, srcStart, srcLength); }
-
- inline UnicodeString&
- UnicodeString::insert(UTextOffset start,
- const UnicodeString& srcText)
- { return doReplace(start, 0, srcText, 0, srcText.fLength); }
-
- inline UnicodeString&
- UnicodeString::insert(UTextOffset start,
- const UChar *srcChars,
- UTextOffset srcStart,
- int32_t srcLength)
- { return doReplace(start, 0, srcChars, srcStart, srcLength); }
-
- inline UnicodeString&
- UnicodeString::insert(UTextOffset start,
- const UChar *srcChars,
- int32_t srcLength)
- { return doReplace(start, 0, srcChars, 0, srcLength); }
-
- inline UnicodeString&
- UnicodeString::insert(UTextOffset start,
- UChar srcChar)
- { return doReplace(start, 0, &srcChar, 0, 1); }
-
-
- inline UnicodeString&
- UnicodeString::remove(UTextOffset start,
- int32_t length)
- { return doReplace(start, length, 0, 0, 0); }
-
- inline UnicodeString&
- UnicodeString::remove()
- { return doReplace(0, fLength, 0, 0, 0); }
-
- inline UnicodeString&
- UnicodeString::removeBetween(UTextOffset start,
- UTextOffset limit)
- { return doReplace(start, limit - start, 0, 0, 0); }
-
- inline bool_t
- UnicodeString::padLeading(int32_t targetLength,
- UChar padChar)
- {
- if(fLength >= targetLength)
- return FALSE;
- else {
- int32_t len = fLength;
- for(int32_t i = 0; i < targetLength - len; ++i)
- doReplace(0, 0, &padChar, 0, 1);
- return TRUE;
- }
- }
-
- inline bool_t
- UnicodeString::padTrailing(int32_t targetLength,
- UChar padChar)
- {
- if(fLength >= targetLength)
- return FALSE;
- else {
- int32_t len = fLength;
- for(int32_t i = 0; i < targetLength - len; ++i)
- doReplace(fLength, 0, &padChar, 0, 1);
- return TRUE;
- }
- }
-
- inline bool_t
- UnicodeString::truncate(int32_t targetLength)
- {
- if(fLength < targetLength)
- return FALSE;
- else {
- doReplace(targetLength, fLength - targetLength, 0, 0, 0);
- return TRUE;
- }
- }
-
- inline UnicodeString&
- UnicodeString::trim()
- {
- int32_t wsStart = 0;
- int32_t wsEnd = 0;
- UTextOffset start = 0;
- UTextOffset limit = fLength;
- UChar c = doCharAt(start);
-
- while(start < limit &&
- (c == 0x0020 || Unicode::getType(c) == Unicode::SPACE_SEPARATOR)) {
- ++wsStart;
- c = doCharAt(++start);
- }
-
- c = charAt(--limit);
- while(limit > start &&
- (c == 0x0020 || Unicode::getType(c) == Unicode::SPACE_SEPARATOR)) {
- ++wsEnd;
- c = doCharAt(--limit);
- }
-
- doReplace(0, wsStart, 0, 0, 0);
- doReplace(fLength - wsEnd, wsEnd, 0, 0, 0);
-
- return *this;
- }
-
- inline UnicodeString&
- UnicodeString::reverse()
- { return doReverse(0, fLength); }
-
- inline UnicodeString&
- UnicodeString::reverse(UTextOffset start,
- int32_t length)
- { return doReverse(start, length); }
-
-
- //========================================
- // Write implementation methods
- //========================================
- inline bool_t
- UnicodeString::isBogus() const
- { return fBogus; }
-
-
- //========================================
- // Privates
- //========================================
-
- inline UChar*
- UnicodeString::getArrayStart()
- { return (fRefCounted ? fArray + 1 : fArray); }
-
- inline const UChar*
- UnicodeString::getArrayStart() const
- { return (fRefCounted ? fArray + 1 : fArray); }
-
- inline int32_t
- UnicodeString::getCapacity() const
- { return (fRefCounted ? fCapacity - 1 : fCapacity); }
-
- inline uint16_t
- UnicodeString::addRef()
- { return ++(fArray[0]); }
-
- inline uint16_t
- UnicodeString::removeRef()
- { return --(fArray[0]); }
-
- inline uint16_t
- UnicodeString::refCount() const
- { return fArray[0]; }
-
- inline uint16_t
- UnicodeString::setRefCount(uint16_t count)
- { fRefCounted = TRUE; return (fArray[0] = count); }
-
-
- // deprecated API - remove later
- inline int32_t
- UnicodeString::size() const
- { return fLength; }
-
- inline const UChar*
- UnicodeString::getUniChars() const
- { return getUChars(); }
-
- inline UnicodeString&
- UnicodeString::findAndReplace(const UnicodeString& oldText,
- const UnicodeString& newText,
- UTextOffset start,
- int32_t length)
- { return findAndReplace(start, length, oldText, newText); }
-
- inline void*
- UnicodeString::operator new(size_t size)
- { return ::operator new(size); }
-
- inline void*
- UnicodeString::operator new(size_t size,
- void *location)
- { return location; }
-
- inline void
- UnicodeString::operator delete(void *location)
- { ::operator delete(location); }
-
-
- //========================================
- // Static members
- //========================================
- inline int32_t
- UnicodeString::allocation(int32_t minSize)
- { return minSize < kGrowSize ? kGrowSize
- : (minSize * 2 + kGrowSize) & ~(kGrowSize - 1); }
-
- inline UChar*
- UnicodeString::allocate(int32_t minSize, int32_t& actualSize)
- { actualSize = allocation(minSize); return new UChar[ actualSize ]; }
-
- //========================================
- // class UCharReference
- //========================================
- class UCharReference
- {
- public:
- UCharReference();
- inline UCharReference(UnicodeString *string,
- UTextOffset pos);
- inline UCharReference(const UCharReference& that);
- ~UCharReference();
-
- inline UCharReference& operator= (const UCharReference& that);
- inline UCharReference& operator= (UChar c);
-
- inline operator UChar();
-
- private:
- UnicodeString *fString;
- UTextOffset fPos;
- };
-
-
- //========================================
- // Inline members
- //========================================
- inline
- UCharReference::UCharReference(UnicodeString *string,
- UTextOffset pos)
- : fString(string), fPos(pos)
- {}
-
- inline
- UCharReference::UCharReference(const UCharReference& that)
- { this->operator=(that); }
-
- inline
- UCharReference::~UCharReference()
- {}
-
- inline UCharReference&
- UCharReference::operator= (const UCharReference& that)
- { fString->setCharAt(fPos, that.fString->charAt(that.fPos)); return *this; }
-
- inline UCharReference&
- UCharReference::operator= (UChar c)
- { fString->setCharAt(fPos, c); return *this; }
-
- inline
- UCharReference::operator UChar()
- { return fString->charAt(fPos); }
-
- #endif
-
-
-
-