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?? bytestream.h(10.77 KB)
?? bytestrie.h(20.83 KB)
?? bytestriebuilder.h(7.48 KB)
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?? errorcode.h(4.84 KB)
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?? fmtable.h(24.37 KB)
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?? formattedvalue.h(9.75 KB)
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?? gregocal.h(30.32 KB)
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?? icuplug.h(12.1 KB)
?? idna.h(12.93 KB)
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?? localebuilder.h(11.08 KB)
?? localematcher.h(26.86 KB)
?? localpointer.h(19.55 KB)
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?? locid.h(48.62 KB)
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?? messageformat2_data_model.h(101.89 KB)
?? messageformat2_data_model_names.h(784 B)
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?? numfmt.h(50.16 KB)
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?? parseerr.h(3.08 KB)
?? parsepos.h(5.56 KB)
?? platform.h(27.18 KB)
?? plurfmt.h(25.07 KB)
?? plurrule.h(20.63 KB)
?? ptypes.h(2.16 KB)
?? putil.h(6.32 KB)
?? rbbi.h(32.04 KB)
?? rbnf.h(56.16 KB)
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?? regex.h(84.45 KB)
?? region.h(9.2 KB)
?? reldatefmt.h(22.48 KB)
?? rep.h(9.38 KB)
?? resbund.h(18.02 KB)
?? schriter.h(6.09 KB)
?? scientificnumberformatter.h(6.44 KB)
?? search.h(22.21 KB)
?? selfmt.h(14.35 KB)
?? simpleformatter.h(12.6 KB)
?? simplenumberformatter.h(8.87 KB)
?? simpletz.h(45.62 KB)
?? smpdtfmt.h(57.06 KB)
?? sortkey.h(11.13 KB)
?? std_string.h(1.05 KB)
?? strenum.h(9.96 KB)
?? stringoptions.h(5.79 KB)
?? stringpiece.h(10.28 KB)
?? stringtriebuilder.h(15.53 KB)
?? stsearch.h(21.43 KB)
?? symtable.h(4.28 KB)
?? tblcoll.h(36.96 KB)
?? timezone.h(45.59 KB)
?? tmunit.h(3.4 KB)
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?? translit.h(65.81 KB)
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?? tztrans.h(6.11 KB)
?? ubidi.h(89.61 KB)
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?? ubrk.h(24.43 KB)
?? ucal.h(63.96 KB)
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?? ucat.h(5.35 KB)
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?? uchriter.h(13.24 KB)
?? uclean.h(11.21 KB)
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?? ucol.h(67.28 KB)
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?? uconfig.h(12.56 KB)
?? ucpmap.h(5.54 KB)
?? ucptrie.h(22.51 KB)
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?? uenum.h(7.79 KB)
?? ufieldpositer.h(4.41 KB)
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?? uformattednumber.h(8.09 KB)
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?? ugender.h(2.06 KB)
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?? uldnames.h(10.48 KB)
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?? uloc.h(55.38 KB)
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?? ulocdata.h(11.3 KB)
?? umachine.h(14.59 KB)
?? umisc.h(1.34 KB)
?? umsg.h(24.25 KB)
?? umutablecptrie.h(8.3 KB)
?? unifilt.h(4 KB)
?? unifunct.h(4.05 KB)
?? unimatch.h(6.1 KB)
?? unirepl.h(3.38 KB)
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?? unorm.h(20.55 KB)
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?? unum.h(55.16 KB)
?? unumberformatter.h(19.68 KB)
?? unumberoptions.h(5.23 KB)
?? unumberrangeformatter.h(15.35 KB)
?? unumsys.h(7.26 KB)
?? uobject.h(10.66 KB)
?? upluralrules.h(8.79 KB)
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?? uspoof.h(80 KB)
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?? ustdio.h(38.58 KB)
?? ustream.h(1.89 KB)
?? ustring.h(72.16 KB)
?? ustringtrie.h(3.15 KB)
?? utext.h(58.1 KB)
?? utf.h(7.87 KB)
?? utf16.h(23.35 KB)
?? utf32.h(763 B)
?? utf8.h(30.83 KB)
?? utf_old.h(45.8 KB)
?? utmscale.h(13.78 KB)
?? utrace.h(17.18 KB)
?? utrans.h(25.54 KB)
?? utypes.h(34.48 KB)
?? uvernum.h(6.33 KB)
?? uversion.h(8.21 KB)
?? vtzone.h(20.68 KB)

Editing: umutablecptrie.h

// © 2017 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html

// umutablecptrie.h (split out of ucptrie.h)
// created: 2018jan24 Markus W. Scherer

#ifndef __UMUTABLECPTRIE_H__
#define __UMUTABLECPTRIE_H__

#include "unicode/utypes.h"

#include "unicode/ucpmap.h"
#include "unicode/ucptrie.h"
#include "unicode/utf8.h"

#if U_SHOW_CPLUSPLUS_API
#include "unicode/localpointer.h"
#endif   // U_SHOW_CPLUSPLUS_API

U_CDECL_BEGIN

/**
 * \file
 * \brief C API: This file defines a mutable Unicode code point trie.
 *
 * @see UCPTrie
 * @see UMutableCPTrie
 */

/**
 * Mutable Unicode code point trie.
 * Fast map from Unicode code points (U+0000..U+10FFFF) to 32-bit integer values.
 * For details see https://icu.unicode.org/design/struct/utrie
 *
 * Setting values (especially ranges) and lookup is fast.
 * The mutable trie is only somewhat space-efficient.
 * It builds a compacted, immutable UCPTrie.
 *
 * This trie can be modified while iterating over its contents.
 * For example, it is possible to merge its values with those from another
 * set of ranges (e.g., another mutable or immutable trie):
 * Iterate over those source ranges; for each of them iterate over this trie;
 * add the source value into the value of each trie range.
 *
 * @see UCPTrie
 * @see umutablecptrie_buildImmutable
 * @stable ICU 63
 */
typedef struct UMutableCPTrie UMutableCPTrie;

/**
 * Creates a mutable trie that initially maps each Unicode code point to the same value.
 * It uses 32-bit data values until umutablecptrie_buildImmutable() is called.
 * umutablecptrie_buildImmutable() takes a valueWidth parameter which
 * determines the number of bits in the data value in the resulting UCPTrie.
 * You must umutablecptrie_close() the trie once you are done using it.
 *
 * @param initialValue the initial value that is set for all code points
 * @param errorValue the value for out-of-range code points and ill-formed UTF-8/16
 * @param pErrorCode an in/out ICU UErrorCode
 * @return the trie
 * @stable ICU 63
 */
U_CAPI UMutableCPTrie * U_EXPORT2
umutablecptrie_open(uint32_t initialValue, uint32_t errorValue, UErrorCode *pErrorCode);

/**
 * Clones a mutable trie.
 * You must umutablecptrie_close() the clone once you are done using it.
 *
 * @param other the trie to clone
 * @param pErrorCode an in/out ICU UErrorCode
 * @return the trie clone
 * @stable ICU 63
 */
U_CAPI UMutableCPTrie * U_EXPORT2
umutablecptrie_clone(const UMutableCPTrie *other, UErrorCode *pErrorCode);

/**
 * Closes a mutable trie and releases associated memory.
 *
 * @param trie the trie
 * @stable ICU 63
 */
U_CAPI void U_EXPORT2
umutablecptrie_close(UMutableCPTrie *trie);

/**
 * Creates a mutable trie with the same contents as the UCPMap.
 * You must umutablecptrie_close() the mutable trie once you are done using it.
 *
 * @param map the source map
 * @param pErrorCode an in/out ICU UErrorCode
 * @return the mutable trie
 * @stable ICU 63
 */
U_CAPI UMutableCPTrie * U_EXPORT2
umutablecptrie_fromUCPMap(const UCPMap *map, UErrorCode *pErrorCode);

/**
 * Creates a mutable trie with the same contents as the immutable one.
 * You must umutablecptrie_close() the mutable trie once you are done using it.
 *
 * @param trie the immutable trie
 * @param pErrorCode an in/out ICU UErrorCode
 * @return the mutable trie
 * @stable ICU 63
 */
U_CAPI UMutableCPTrie * U_EXPORT2
umutablecptrie_fromUCPTrie(const UCPTrie *trie, UErrorCode *pErrorCode);

/**
 * Returns the value for a code point as stored in the trie.
 *
 * @param trie the trie
 * @param c the code point
 * @return the value
 * @stable ICU 63
 */
U_CAPI uint32_t U_EXPORT2
umutablecptrie_get(const UMutableCPTrie *trie, UChar32 c);

/**
 * Returns the last code point such that all those from start to there have the same value.
 * Can be used to efficiently iterate over all same-value ranges in a trie.
 * (This is normally faster than iterating over code points and get()ting each value,
 * but much slower than a data structure that stores ranges directly.)
 *
 * The trie can be modified between calls to this function.
 *
 * If the UCPMapValueFilter function pointer is not NULL, then
 * the value to be delivered is passed through that function, and the return value is the end
 * of the range where all values are modified to the same actual value.
 * The value is unchanged if that function pointer is NULL.
 *
 * See the same-signature ucptrie_getRange() for a code sample.
 *
 * @param trie the trie
 * @param start range start
 * @param option defines whether surrogates are treated normally,
 *               or as having the surrogateValue; usually UCPMAP_RANGE_NORMAL
 * @param surrogateValue value for surrogates; ignored if option==UCPMAP_RANGE_NORMAL
 * @param filter a pointer to a function that may modify the trie data value,
 *     or NULL if the values from the trie are to be used unmodified
 * @param context an opaque pointer that is passed on to the filter function
 * @param pValue if not NULL, receives the value that every code point start..end has;
 *     may have been modified by filter(context, trie value)
 *     if that function pointer is not NULL
 * @return the range end code point, or -1 if start is not a valid code point
 * @stable ICU 63
 */
U_CAPI UChar32 U_EXPORT2
umutablecptrie_getRange(const UMutableCPTrie *trie, UChar32 start,
                        UCPMapRangeOption option, uint32_t surrogateValue,
                        UCPMapValueFilter *filter, const void *context, uint32_t *pValue);

/**
 * Sets a value for a code point.
 *
 * @param trie the trie
 * @param c the code point
 * @param value the value
 * @param pErrorCode an in/out ICU UErrorCode
 * @stable ICU 63
 */
U_CAPI void U_EXPORT2
umutablecptrie_set(UMutableCPTrie *trie, UChar32 c, uint32_t value, UErrorCode *pErrorCode);

/**
 * Sets a value for each code point [start..end].
 * Faster and more space-efficient than setting the value for each code point separately.
 *
 * @param trie the trie
 * @param start the first code point to get the value
 * @param end the last code point to get the value (inclusive)
 * @param value the value
 * @param pErrorCode an in/out ICU UErrorCode
 * @stable ICU 63
 */
U_CAPI void U_EXPORT2
umutablecptrie_setRange(UMutableCPTrie *trie,
                        UChar32 start, UChar32 end,
                        uint32_t value, UErrorCode *pErrorCode);

/**
 * Compacts the data and builds an immutable UCPTrie according to the parameters.
 * After this, the mutable trie will be empty.
 *
 * The mutable trie stores 32-bit values until buildImmutable() is called.
 * If values shorter than 32 bits are to be stored in the immutable trie,
 * then the upper bits are discarded.
 * For example, when the mutable trie contains values 0x81, -0x7f, and 0xa581,
 * and the value width is 8 bits, then each of these is stored as 0x81
 * and the immutable trie will return that as an unsigned value.
 * (Some implementations may want to make productive temporary use of the upper bits
 * until buildImmutable() discards them.)
 *
 * Not every possible set of mappings can be built into a UCPTrie,
 * because of limitations resulting from speed and space optimizations.
 * Every Unicode assigned character can be mapped to a unique value.
 * Typical data yields data structures far smaller than the limitations.
 *
 * It is possible to construct extremely unusual mappings that exceed the data structure limits.
 * In such a case this function will fail with a U_INDEX_OUTOFBOUNDS_ERROR.
 *
 * @param trie the trie trie
 * @param type selects the trie type
 * @param valueWidth selects the number of bits in a trie data value; if smaller than 32 bits,
 *                   then the values stored in the trie will be truncated first
 * @param pErrorCode an in/out ICU UErrorCode
 *
 * @see umutablecptrie_fromUCPTrie
 * @stable ICU 63
 */
U_CAPI UCPTrie * U_EXPORT2
umutablecptrie_buildImmutable(UMutableCPTrie *trie, UCPTrieType type, UCPTrieValueWidth valueWidth,
                              UErrorCode *pErrorCode);

U_CDECL_END

#if U_SHOW_CPLUSPLUS_API

U_NAMESPACE_BEGIN

/**
 * \class LocalUMutableCPTriePointer
 * "Smart pointer" class, closes a UMutableCPTrie via umutablecptrie_close().
 * For most methods see the LocalPointerBase base class.
 *
 * @see LocalPointerBase
 * @see LocalPointer
 * @stable ICU 63
 */
U_DEFINE_LOCAL_OPEN_POINTER(LocalUMutableCPTriePointer, UMutableCPTrie, umutablecptrie_close);

U_NAMESPACE_END

#endif

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