Move ICU headers from public/{common,i18n} to source/{common,i18n}

public/common/unicode/normlzr.h

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-/*
- ********************************************************************
- * COPYRIGHT:
- * Copyright (c) 1996-2010, International Business Machines Corporation and
- * others. All Rights Reserved.
- ********************************************************************
- */
-
-#ifndef NORMLZR_H
-#define NORMLZR_H
-
-#include "unicode/utypes.h"
-
-/**
- * \file 
- * \brief C++ API: Unicode Normalization
- */
- 
-#if !UCONFIG_NO_NORMALIZATION
-
-#include "unicode/chariter.h"
-#include "unicode/normalizer2.h"
-#include "unicode/unistr.h"
-#include "unicode/unorm.h"
-#include "unicode/uobject.h"
-
-U_NAMESPACE_BEGIN
-/**
- * The Normalizer class supports the standard normalization forms described in
- * <a href="http://www.unicode.org/unicode/reports/tr15/" target="unicode">
- * Unicode Standard Annex #15: Unicode Normalization Forms</a>.
- *
- * Note: This API has been replaced by the Normalizer2 class and is only available
- * for backward compatibility. This class simply delegates to the Normalizer2 class.
- * There is one exception: The new API does not provide a replacement for Normalizer::compare().
- *
- * The Normalizer class consists of two parts:
- * - static functions that normalize strings or test if strings are normalized
- * - a Normalizer object is an iterator that takes any kind of text and
- *   provides iteration over its normalized form
- *
- * The Normalizer class is not suitable for subclassing.
- *
- * For basic information about normalization forms and details about the C API
- * please see the documentation in unorm.h.
- *
- * The iterator API with the Normalizer constructors and the non-static functions
- * use a CharacterIterator as input. It is possible to pass a string which
- * is then internally wrapped in a CharacterIterator.
- * The input text is not normalized all at once, but incrementally where needed
- * (providing efficient random access).
- * This allows to pass in a large text but spend only a small amount of time
- * normalizing a small part of that text.
- * However, if the entire text is normalized, then the iterator will be
- * slower than normalizing the entire text at once and iterating over the result.
- * A possible use of the Normalizer iterator is also to report an index into the
- * original text that is close to where the normalized characters come from.
- *
- * <em>Important:</em> The iterator API was cleaned up significantly for ICU 2.0.
- * The earlier implementation reported the getIndex() inconsistently,
- * and previous() could not be used after setIndex(), next(), first(), and current().
- *
- * Normalizer allows to start normalizing from anywhere in the input text by
- * calling setIndexOnly(), first(), or last().
- * Without calling any of these, the iterator will start at the beginning of the text.
- *
- * At any time, next() returns the next normalized code point (UChar32),
- * with post-increment semantics (like CharacterIterator::next32PostInc()).
- * previous() returns the previous normalized code point (UChar32),
- * with pre-decrement semantics (like CharacterIterator::previous32()).
- *
- * current() returns the current code point
- * (respectively the one at the newly set index) without moving
- * the getIndex(). Note that if the text at the current position
- * needs to be normalized, then these functions will do that.
- * (This is why current() is not const.)
- * It is more efficient to call setIndexOnly() instead, which does not
- * normalize.
- *
- * getIndex() always refers to the position in the input text where the normalized
- * code points are returned from. It does not always change with each returned
- * code point.
- * The code point that is returned from any of the functions
- * corresponds to text at or after getIndex(), according to the
- * function's iteration semantics (post-increment or pre-decrement).
- *
- * next() returns a code point from at or after the getIndex()
- * from before the next() call. After the next() call, the getIndex()
- * might have moved to where the next code point will be returned from
- * (from a next() or current() call).
- * This is semantically equivalent to array access with array[index++]
- * (post-increment semantics).
- *
- * previous() returns a code point from at or after the getIndex()
- * from after the previous() call.
- * This is semantically equivalent to array access with array[--index]
- * (pre-decrement semantics).
- *
- * Internally, the Normalizer iterator normalizes a small piece of text
- * starting at the getIndex() and ending at a following "safe" index.
- * The normalized results is stored in an internal string buffer, and
- * the code points are iterated from there.
- * With multiple iteration calls, this is repeated until the next piece
- * of text needs to be normalized, and the getIndex() needs to be moved.
- *
- * The following "safe" index, the internal buffer, and the secondary
- * iteration index into that buffer are not exposed on the API.
- * This also means that it is currently not practical to return to
- * a particular, arbitrary position in the text because one would need to
- * know, and be able to set, in addition to the getIndex(), at least also the
- * current index into the internal buffer.
- * It is currently only possible to observe when getIndex() changes
- * (with careful consideration of the iteration semantics),
- * at which time the internal index will be 0.
- * For example, if getIndex() is different after next() than before it,
- * then the internal index is 0 and one can return to this getIndex()
- * later with setIndexOnly().
- *
- * Note: While the setIndex() and getIndex() refer to indices in the
- * underlying Unicode input text, the next() and previous() methods
- * iterate through characters in the normalized output.
- * This means that there is not necessarily a one-to-one correspondence
- * between characters returned by next() and previous() and the indices
- * passed to and returned from setIndex() and getIndex().
- * It is for this reason that Normalizer does not implement the CharacterIterator interface.
- *
- * @author Laura Werner, Mark Davis, Markus Scherer
- * @stable ICU 2.0
- */
-class U_COMMON_API Normalizer : public UObject {
-public:
-  /**
-   * If DONE is returned from an iteration function that returns a code point,
-   * then there are no more normalization results available.
-   * @stable ICU 2.0
-   */
-  enum {
-      DONE=0xffff
-  };
-
-  // Constructors
-
-  /**
-   * Creates a new <code>Normalizer</code> object for iterating over the
-   * normalized form of a given string.
-   * <p>
-   * @param str   The string to be normalized.  The normalization
-   *              will start at the beginning of the string.
-   *
-   * @param mode  The normalization mode.
-   * @stable ICU 2.0
-   */
-  Normalizer(const UnicodeString& str, UNormalizationMode mode);
-
-  /**
-   * Creates a new <code>Normalizer</code> object for iterating over the
-   * normalized form of a given string.
-   * <p>
-   * @param str   The string to be normalized.  The normalization
-   *              will start at the beginning of the string.
-   *
-   * @param length Length of the string, or -1 if NUL-terminated.
-   * @param mode  The normalization mode.
-   * @stable ICU 2.0
-   */
-  Normalizer(const UChar* str, int32_t length, UNormalizationMode mode);
-
-  /**
-   * Creates a new <code>Normalizer</code> object for iterating over the
-   * normalized form of the given text.
-   * <p>
-   * @param iter  The input text to be normalized.  The normalization
-   *              will start at the beginning of the string.
-   *
-   * @param mode  The normalization mode.
-   * @stable ICU 2.0
-   */
-  Normalizer(const CharacterIterator& iter, UNormalizationMode mode);
-
-  /**
-   * Copy constructor.
-   * @param copy The object to be copied.
-   * @stable ICU 2.0
-   */
-  Normalizer(const Normalizer& copy);
-
-  /**
-   * Destructor
-   * @stable ICU 2.0
-   */
-  virtual ~Normalizer();
-
-
-  //-------------------------------------------------------------------------
-  // Static utility methods
-  //-------------------------------------------------------------------------
-
-  /**
-   * Normalizes a <code>UnicodeString</code> according to the specified normalization mode.
-   * This is a wrapper for unorm_normalize(), using UnicodeString's.
-   *
-   * The <code>options</code> parameter specifies which optional
-   * <code>Normalizer</code> features are to be enabled for this operation.
-   *
-   * @param source    the input string to be normalized.
-   * @param mode      the normalization mode
-   * @param options   the optional features to be enabled (0 for no options)
-   * @param result    The normalized string (on output).
-   * @param status    The error code.
-   * @stable ICU 2.0
-   */
-  static void U_EXPORT2 normalize(const UnicodeString& source,
-                        UNormalizationMode mode, int32_t options,
-                        UnicodeString& result,
-                        UErrorCode &status);
-
-  /**
-   * Compose a <code>UnicodeString</code>.
-   * This is equivalent to normalize() with mode UNORM_NFC or UNORM_NFKC.
-   * This is a wrapper for unorm_normalize(), using UnicodeString's.
-   *
-   * The <code>options</code> parameter specifies which optional
-   * <code>Normalizer</code> features are to be enabled for this operation.
-   *
-   * @param source    the string to be composed.
-   * @param compat    Perform compatibility decomposition before composition.
-   *                  If this argument is <code>FALSE</code>, only canonical
-   *                  decomposition will be performed.
-   * @param options   the optional features to be enabled (0 for no options)
-   * @param result    The composed string (on output).
-   * @param status    The error code.
-   * @stable ICU 2.0
-   */
-  static void U_EXPORT2 compose(const UnicodeString& source,
-                      UBool compat, int32_t options,
-                      UnicodeString& result,
-                      UErrorCode &status);
-
-  /**
-   * Static method to decompose a <code>UnicodeString</code>.
-   * This is equivalent to normalize() with mode UNORM_NFD or UNORM_NFKD.
-   * This is a wrapper for unorm_normalize(), using UnicodeString's.
-   *
-   * The <code>options</code> parameter specifies which optional
-   * <code>Normalizer</code> features are to be enabled for this operation.
-   *
-   * @param source    the string to be decomposed.
-   * @param compat    Perform compatibility decomposition.
-   *                  If this argument is <code>FALSE</code>, only canonical
-   *                  decomposition will be performed.
-   * @param options   the optional features to be enabled (0 for no options)
-   * @param result    The decomposed string (on output).
-   * @param status    The error code.
-   * @stable ICU 2.0
-   */
-  static void U_EXPORT2 decompose(const UnicodeString& source,
-                        UBool compat, int32_t options,
-                        UnicodeString& result,
-                        UErrorCode &status);
-
-  /**
-   * Performing quick check on a string, to quickly determine if the string is
-   * in a particular normalization format.
-   * This is a wrapper for unorm_quickCheck(), using a UnicodeString.
-   *
-   * Three types of result can be returned UNORM_YES, UNORM_NO or
-   * UNORM_MAYBE. Result UNORM_YES indicates that the argument
-   * string is in the desired normalized format, UNORM_NO determines that
-   * argument string is not in the desired normalized format. A
-   * UNORM_MAYBE result indicates that a more thorough check is required,
-   * the user may have to put the string in its normalized form and compare the
-   * results.
-   * @param source       string for determining if it is in a normalized format
-   * @param mode         normalization format
-   * @param status A reference to a UErrorCode to receive any errors
-   * @return UNORM_YES, UNORM_NO or UNORM_MAYBE
-   *
-   * @see isNormalized
-   * @stable ICU 2.0
-   */
-  static inline UNormalizationCheckResult
-  quickCheck(const UnicodeString &source, UNormalizationMode mode, UErrorCode &status);
-
-  /**
-   * Performing quick check on a string; same as the other version of quickCheck
-   * but takes an extra options parameter like most normalization functions.
-   *
-   * @param source       string for determining if it is in a normalized format
-   * @param mode         normalization format
-   * @param options      the optional features to be enabled (0 for no options)
-   * @param status A reference to a UErrorCode to receive any errors
-   * @return UNORM_YES, UNORM_NO or UNORM_MAYBE
-   *
-   * @see isNormalized
-   * @stable ICU 2.6
-   */
-  static UNormalizationCheckResult
-  quickCheck(const UnicodeString &source, UNormalizationMode mode, int32_t options, UErrorCode &status);
-
-  /**
-   * Test if a string is in a given normalization form.
-   * This is semantically equivalent to source.equals(normalize(source, mode)) .
-   *
-   * Unlike unorm_quickCheck(), this function returns a definitive result,
-   * never a "maybe".
-   * For NFD, NFKD, and FCD, both functions work exactly the same.
-   * For NFC and NFKC where quickCheck may return "maybe", this function will
-   * perform further tests to arrive at a TRUE/FALSE result.
-   *
-   * @param src        String that is to be tested if it is in a normalization format.
-   * @param mode       Which normalization form to test for.
-   * @param errorCode  ICU error code in/out parameter.
-   *                   Must fulfill U_SUCCESS before the function call.
-   * @return Boolean value indicating whether the source string is in the
-   *         "mode" normalization form.
-   *
-   * @see quickCheck
-   * @stable ICU 2.2
-   */
-  static inline UBool
-  isNormalized(const UnicodeString &src, UNormalizationMode mode, UErrorCode &errorCode);
-
-  /**
-   * Test if a string is in a given normalization form; same as the other version of isNormalized
-   * but takes an extra options parameter like most normalization functions.
-   *
-   * @param src        String that is to be tested if it is in a normalization format.
-   * @param mode       Which normalization form to test for.
-   * @param options      the optional features to be enabled (0 for no options)
-   * @param errorCode  ICU error code in/out parameter.
-   *                   Must fulfill U_SUCCESS before the function call.
-   * @return Boolean value indicating whether the source string is in the
-   *         "mode" normalization form.
-   *
-   * @see quickCheck
-   * @stable ICU 2.6
-   */
-  static UBool
-  isNormalized(const UnicodeString &src, UNormalizationMode mode, int32_t options, UErrorCode &errorCode);
-
-  /**
-   * Concatenate normalized strings, making sure that the result is normalized as well.
-   *
-   * If both the left and the right strings are in
-   * the normalization form according to "mode/options",
-   * then the result will be
-   *
-   * \code
-   *     dest=normalize(left+right, mode, options)
-   * \endcode
-   *
-   * For details see unorm_concatenate in unorm.h.
-   *
-   * @param left Left source string.
-   * @param right Right source string.
-   * @param result The output string.
-   * @param mode The normalization mode.
-   * @param options A bit set of normalization options.
-   * @param errorCode ICU error code in/out parameter.
-   *                   Must fulfill U_SUCCESS before the function call.
-   * @return result
-   *
-   * @see unorm_concatenate
-   * @see normalize
-   * @see unorm_next
-   * @see unorm_previous
-   *
-   * @stable ICU 2.1
-   */
-  static UnicodeString &
-  U_EXPORT2 concatenate(UnicodeString &left, UnicodeString &right,
-              UnicodeString &result,
-              UNormalizationMode mode, int32_t options,
-              UErrorCode &errorCode);
-
-  /**
-   * Compare two strings for canonical equivalence.
-   * Further options include case-insensitive comparison and
-   * code point order (as opposed to code unit order).
-   *
-   * Canonical equivalence between two strings is defined as their normalized
-   * forms (NFD or NFC) being identical.
-   * This function compares strings incrementally instead of normalizing
-   * (and optionally case-folding) both strings entirely,
-   * improving performance significantly.
-   *
-   * Bulk normalization is only necessary if the strings do not fulfill the FCD
-   * conditions. Only in this case, and only if the strings are relatively long,
-   * is memory allocated temporarily.
-   * For FCD strings and short non-FCD strings there is no memory allocation.
-   *
-   * Semantically, this is equivalent to
-   *   strcmp[CodePointOrder](NFD(foldCase(s1)), NFD(foldCase(s2)))
-   * where code point order and foldCase are all optional.
-   *
-   * UAX 21 2.5 Caseless Matching specifies that for a canonical caseless match
-   * the case folding must be performed first, then the normalization.
-   *
-   * @param s1 First source string.
-   * @param s2 Second source string.
-   *
-   * @param options A bit set of options:
-   *   - U_FOLD_CASE_DEFAULT or 0 is used for default options:
-   *     Case-sensitive comparison in code unit order, and the input strings
-   *     are quick-checked for FCD.
-   *
-   *   - UNORM_INPUT_IS_FCD
-   *     Set if the caller knows that both s1 and s2 fulfill the FCD conditions.
-   *     If not set, the function will quickCheck for FCD
-   *     and normalize if necessary.
-   *
-   *   - U_COMPARE_CODE_POINT_ORDER
-   *     Set to choose code point order instead of code unit order
-   *     (see u_strCompare for details).
-   *
-   *   - U_COMPARE_IGNORE_CASE
-   *     Set to compare strings case-insensitively using case folding,
-   *     instead of case-sensitively.
-   *     If set, then the following case folding options are used.
-   *
-   *   - Options as used with case-insensitive comparisons, currently:
-   *
-   *   - U_FOLD_CASE_EXCLUDE_SPECIAL_I
-   *    (see u_strCaseCompare for details)
-   *
-   *   - regular normalization options shifted left by UNORM_COMPARE_NORM_OPTIONS_SHIFT
-   *
-   * @param errorCode ICU error code in/out parameter.
-   *                  Must fulfill U_SUCCESS before the function call.
-   * @return <0 or 0 or >0 as usual for string comparisons
-   *
-   * @see unorm_compare
-   * @see normalize
-   * @see UNORM_FCD
-   * @see u_strCompare
-   * @see u_strCaseCompare
-   *
-   * @stable ICU 2.2
-   */
-  static inline int32_t
-  compare(const UnicodeString &s1, const UnicodeString &s2,
-          uint32_t options,
-          UErrorCode &errorCode);
-
-  //-------------------------------------------------------------------------
-  // Iteration API
-  //-------------------------------------------------------------------------
-
-  /**
-   * Return the current character in the normalized text.
-   * current() may need to normalize some text at getIndex().
-   * The getIndex() is not changed.
-   *
-   * @return the current normalized code point
-   * @stable ICU 2.0
-   */
-  UChar32              current(void);
-
-  /**
-   * Return the first character in the normalized text.
-   * This is equivalent to setIndexOnly(startIndex()) followed by next().
-   * (Post-increment semantics.)
-   *
-   * @return the first normalized code point
-   * @stable ICU 2.0
-   */
-  UChar32              first(void);
-
-  /**
-   * Return the last character in the normalized text.
-   * This is equivalent to setIndexOnly(endIndex()) followed by previous().
-   * (Pre-decrement semantics.)
-   *
-   * @return the last normalized code point
-   * @stable ICU 2.0
-   */
-  UChar32              last(void);
-
-  /**
-   * Return the next character in the normalized text.
-   * (Post-increment semantics.)
-   * If the end of the text has already been reached, DONE is returned.
-   * The DONE value could be confused with a U+FFFF non-character code point
-   * in the text. If this is possible, you can test getIndex()<endIndex()
-   * before calling next(), or (getIndex()<endIndex() || last()!=DONE)
-   * after calling next(). (Calling last() will change the iterator state!)
-   *
-   * The C API unorm_next() is more efficient and does not have this ambiguity.
-   *
-   * @return the next normalized code point
-   * @stable ICU 2.0
-   */
-  UChar32              next(void);
-
-  /**
-   * Return the previous character in the normalized text and decrement.
-   * (Pre-decrement semantics.)
-   * If the beginning of the text has already been reached, DONE is returned.
-   * The DONE value could be confused with a U+FFFF non-character code point
-   * in the text. If this is possible, you can test
-   * (getIndex()>startIndex() || first()!=DONE). (Calling first() will change
-   * the iterator state!)
-   *
-   * The C API unorm_previous() is more efficient and does not have this ambiguity.
-   *
-   * @return the previous normalized code point
-   * @stable ICU 2.0
-   */
-  UChar32              previous(void);
-
-  /**
-   * Set the iteration position in the input text that is being normalized,
-   * without any immediate normalization.
-   * After setIndexOnly(), getIndex() will return the same index that is
-   * specified here.
-   *
-   * @param index the desired index in the input text.
-   * @stable ICU 2.0
-   */
-  void                 setIndexOnly(int32_t index);
-
-  /**
-   * Reset the index to the beginning of the text.
-   * This is equivalent to setIndexOnly(startIndex)).
-   * @stable ICU 2.0
-   */
-  void                reset(void);
-
-  /**
-   * Retrieve the current iteration position in the input text that is
-   * being normalized.
-   *
-   * A following call to next() will return a normalized code point from
-   * the input text at or after this index.
-   *
-   * After a call to previous(), getIndex() will point at or before the
-   * position in the input text where the normalized code point
-   * was returned from with previous().
-   *
-   * @return the current index in the input text
-   * @stable ICU 2.0
-   */
-  int32_t            getIndex(void) const;
-
-  /**
-   * Retrieve the index of the start of the input text. This is the begin index
-   * of the <code>CharacterIterator</code> or the start (i.e. index 0) of the string
-   * over which this <code>Normalizer</code> is iterating.
-   *
-   * @return the smallest index in the input text where the Normalizer operates
-   * @stable ICU 2.0
-   */
-  int32_t            startIndex(void) const;
-
-  /**
-   * Retrieve the index of the end of the input text. This is the end index
-   * of the <code>CharacterIterator</code> or the length of the string
-   * over which this <code>Normalizer</code> is iterating.
-   * This end index is exclusive, i.e., the Normalizer operates only on characters
-   * before this index.
-   *
-   * @return the first index in the input text where the Normalizer does not operate
-   * @stable ICU 2.0
-   */
-  int32_t            endIndex(void) const;
-
-  /**
-   * Returns TRUE when both iterators refer to the same character in the same
-   * input text.
-   *
-   * @param that a Normalizer object to compare this one to
-   * @return comparison result
-   * @stable ICU 2.0
-   */
-  UBool        operator==(const Normalizer& that) const;
-
-  /**
-   * Returns FALSE when both iterators refer to the same character in the same
-   * input text.
-   *
-   * @param that a Normalizer object to compare this one to
-   * @return comparison result
-   * @stable ICU 2.0
-   */
-  inline UBool        operator!=(const Normalizer& that) const;
-
-  /**
-   * Returns a pointer to a new Normalizer that is a clone of this one.
-   * The caller is responsible for deleting the new clone.
-   * @return a pointer to a new Normalizer
-   * @stable ICU 2.0
-   */
-  Normalizer*        clone(void) const;
-
-  /**
-   * Generates a hash code for this iterator.
-   *
-   * @return the hash code
-   * @stable ICU 2.0
-   */
-  int32_t                hashCode(void) const;
-
-  //-------------------------------------------------------------------------
-  // Property access methods
-  //-------------------------------------------------------------------------
-
-  /**
-   * Set the normalization mode for this object.
-   * <p>
-   * <b>Note:</b>If the normalization mode is changed while iterating
-   * over a string, calls to {@link #next() } and {@link #previous() } may
-   * return previously buffers characters in the old normalization mode
-   * until the iteration is able to re-sync at the next base character.
-   * It is safest to call {@link #setIndexOnly }, {@link #reset() },
-   * {@link #setText }, {@link #first() },
-   * {@link #last() }, etc. after calling <code>setMode</code>.
-   * <p>
-   * @param newMode the new mode for this <code>Normalizer</code>.
-   * @see #getUMode
-   * @stable ICU 2.0
-   */
-  void setMode(UNormalizationMode newMode);
-
-  /**
-   * Return the normalization mode for this object.
-   *
-   * This is an unusual name because there used to be a getMode() that
-   * returned a different type.
-   *
-   * @return the mode for this <code>Normalizer</code>
-   * @see #setMode
-   * @stable ICU 2.0
-   */
-  UNormalizationMode getUMode(void) const;
-
-  /**
-   * Set options that affect this <code>Normalizer</code>'s operation.
-   * Options do not change the basic composition or decomposition operation
-   * that is being performed, but they control whether
-   * certain optional portions of the operation are done.
-   * Currently the only available option is obsolete.
-   *
-   * It is possible to specify multiple options that are all turned on or off.
-   *
-   * @param   option  the option(s) whose value is/are to be set.
-   * @param   value   the new setting for the option.  Use <code>TRUE</code> to
-   *                  turn the option(s) on and <code>FALSE</code> to turn it/them off.
-   *
-   * @see #getOption
-   * @stable ICU 2.0
-   */
-  void setOption(int32_t option,
-         UBool value);
-
-  /**
-   * Determine whether an option is turned on or off.
-   * If multiple options are specified, then the result is TRUE if any
-   * of them are set.
-   * <p>
-   * @param option the option(s) that are to be checked
-   * @return TRUE if any of the option(s) are set
-   * @see #setOption
-   * @stable ICU 2.0
-   */
-  UBool getOption(int32_t option) const;
-
-  /**
-   * Set the input text over which this <code>Normalizer</code> will iterate.
-   * The iteration position is set to the beginning.
-   *
-   * @param newText a string that replaces the current input text
-   * @param status a UErrorCode
-   * @stable ICU 2.0
-   */
-  void setText(const UnicodeString& newText,
-           UErrorCode &status);
-
-  /**
-   * Set the input text over which this <code>Normalizer</code> will iterate.
-   * The iteration position is set to the beginning.
-   *
-   * @param newText a CharacterIterator object that replaces the current input text
-   * @param status a UErrorCode
-   * @stable ICU 2.0
-   */
-  void setText(const CharacterIterator& newText,
-           UErrorCode &status);
-
-  /**
-   * Set the input text over which this <code>Normalizer</code> will iterate.
-   * The iteration position is set to the beginning.
-   *
-   * @param newText a string that replaces the current input text
-   * @param length the length of the string, or -1 if NUL-terminated
-   * @param status a UErrorCode
-   * @stable ICU 2.0
-   */
-  void setText(const UChar* newText,
-                    int32_t length,
-            UErrorCode &status);
-  /**
-   * Copies the input text into the UnicodeString argument.
-   *
-   * @param result Receives a copy of the text under iteration.
-   * @stable ICU 2.0
-   */
-  void            getText(UnicodeString&  result);
-
-  /**
-   * ICU "poor man's RTTI", returns a UClassID for this class.
-   * @returns a UClassID for this class.
-   * @stable ICU 2.2
-   */
-  static UClassID U_EXPORT2 getStaticClassID();
-
-  /**
-   * ICU "poor man's RTTI", returns a UClassID for the actual class.
-   * @return a UClassID for the actual class.
-   * @stable ICU 2.2
-   */
-  virtual UClassID getDynamicClassID() const;
-
-private:
-  //-------------------------------------------------------------------------
-  // Private functions
-  //-------------------------------------------------------------------------
-
-  Normalizer(); // default constructor not implemented
-  Normalizer &operator=(const Normalizer &that); // assignment operator not implemented
-
-  // Private utility methods for iteration
-  // For documentation, see the source code
-  UBool nextNormalize();
-  UBool previousNormalize();
-
-  void    init();
-  void    clearBuffer(void);
-
-  //-------------------------------------------------------------------------
-  // Private data
-  //-------------------------------------------------------------------------
-
-  FilteredNormalizer2*fFilteredNorm2;  // owned if not NULL
-  const Normalizer2  *fNorm2;  // not owned; may be equal to fFilteredNorm2
-  UNormalizationMode  fUMode;
-  int32_t             fOptions;
-
-  // The input text and our position in it
-  CharacterIterator  *text;
-
-  // The normalization buffer is the result of normalization
-  // of the source in [currentIndex..nextIndex[ .
-  int32_t         currentIndex, nextIndex;
-
-  // A buffer for holding intermediate results
-  UnicodeString       buffer;
-  int32_t         bufferPos;
-};
-
-//-------------------------------------------------------------------------
-// Inline implementations
-//-------------------------------------------------------------------------
-
-inline UBool
-Normalizer::operator!= (const Normalizer& other) const
-{ return ! operator==(other); }
-
-inline UNormalizationCheckResult
-Normalizer::quickCheck(const UnicodeString& source,
-                       UNormalizationMode mode,
-                       UErrorCode &status) {
-    return quickCheck(source, mode, 0, status);
-}
-
-inline UBool
-Normalizer::isNormalized(const UnicodeString& source,
-                         UNormalizationMode mode,
-                         UErrorCode &status) {
-    return isNormalized(source, mode, 0, status);
-}
-
-inline int32_t
-Normalizer::compare(const UnicodeString &s1, const UnicodeString &s2,
-                    uint32_t options,
-                    UErrorCode &errorCode) {
-  // all argument checking is done in unorm_compare
-  return unorm_compare(s1.getBuffer(), s1.length(),
-                       s2.getBuffer(), s2.length(),
-                       options,
-                       &errorCode);
-}
-
-U_NAMESPACE_END
-
-#endif /* #if !UCONFIG_NO_NORMALIZATION */
-
-#endif // NORMLZR_H