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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /intl/icu/source/i18n/unicode/unirepl.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'intl/icu/source/i18n/unicode/unirepl.h')
-rw-r--r-- | intl/icu/source/i18n/unicode/unirepl.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/unicode/unirepl.h b/intl/icu/source/i18n/unicode/unirepl.h new file mode 100644 index 0000000000..7f6edcf61a --- /dev/null +++ b/intl/icu/source/i18n/unicode/unirepl.h @@ -0,0 +1,103 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +********************************************************************** +* Copyright (c) 2002-2005, International Business Machines Corporation +* and others. All Rights Reserved. +********************************************************************** +* Date Name Description +* 01/14/2002 aliu Creation. +********************************************************************** +*/ +#ifndef UNIREPL_H +#define UNIREPL_H + +#include "unicode/utypes.h" + +#if U_SHOW_CPLUSPLUS_API + +/** + * \file + * \brief C++ API: UnicodeReplacer + */ + +U_NAMESPACE_BEGIN + +class Replaceable; +class UnicodeString; +class UnicodeSet; + +/** + * <code>UnicodeReplacer</code> defines a protocol for objects that + * replace a range of characters in a Replaceable string with output + * text. The replacement is done via the Replaceable API so as to + * preserve out-of-band data. + * + * <p>This is a mixin class. + * @author Alan Liu + * @stable ICU 2.4 + */ +class U_I18N_API UnicodeReplacer /* not : public UObject because this is an interface/mixin class */ { + + public: + + /** + * Destructor. + * @stable ICU 2.4 + */ + virtual ~UnicodeReplacer(); + + /** + * Replace characters in 'text' from 'start' to 'limit' with the + * output text of this object. Update the 'cursor' parameter to + * give the cursor position and return the length of the + * replacement text. + * + * @param text the text to be matched + * @param start inclusive start index of text to be replaced + * @param limit exclusive end index of text to be replaced; + * must be greater than or equal to start + * @param cursor output parameter for the cursor position. + * Not all replacer objects will update this, but in a complete + * tree of replacer objects, representing the entire output side + * of a transliteration rule, at least one must update it. + * @return the number of 16-bit code units in the text replacing + * the characters at offsets start..(limit-1) in text + * @stable ICU 2.4 + */ + virtual int32_t replace(Replaceable& text, + int32_t start, + int32_t limit, + int32_t& cursor) = 0; + + /** + * Returns a string representation of this replacer. If the + * result of calling this function is passed to the appropriate + * parser, typically TransliteratorParser, it will produce another + * replacer that is equal to this one. + * @param result the string to receive the pattern. Previous + * contents will be deleted. + * @param escapeUnprintable if true then convert unprintable + * character to their hex escape representations, \\uxxxx or + * \\Uxxxxxxxx. Unprintable characters are defined by + * Utility.isUnprintable(). + * @return a reference to 'result'. + * @stable ICU 2.4 + */ + virtual UnicodeString& toReplacerPattern(UnicodeString& result, + UBool escapeUnprintable) const = 0; + + /** + * Union the set of all characters that may output by this object + * into the given set. + * @param toUnionTo the set into which to union the output characters + * @stable ICU 2.4 + */ + virtual void addReplacementSetTo(UnicodeSet& toUnionTo) const = 0; +}; + +U_NAMESPACE_END + +#endif /* U_SHOW_CPLUSPLUS_API */ + +#endif |