From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- intl/icu/source/common/lsr.h | 82 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 intl/icu/source/common/lsr.h (limited to 'intl/icu/source/common/lsr.h') diff --git a/intl/icu/source/common/lsr.h b/intl/icu/source/common/lsr.h new file mode 100644 index 0000000000..a2f7c8bb15 --- /dev/null +++ b/intl/icu/source/common/lsr.h @@ -0,0 +1,82 @@ +// © 2019 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html + +// lsr.h +// created: 2019may08 Markus W. Scherer + +#ifndef __LSR_H__ +#define __LSR_H__ + +#include "unicode/utypes.h" +#include "unicode/uobject.h" +#include "cstring.h" + +U_NAMESPACE_BEGIN + +struct LSR final : public UMemory { + static constexpr int32_t REGION_INDEX_LIMIT = 1001 + 26 * 26; + + static constexpr int32_t EXPLICIT_LSR = 7; + static constexpr int32_t EXPLICIT_LANGUAGE = 4; + static constexpr int32_t EXPLICIT_SCRIPT = 2; + static constexpr int32_t EXPLICIT_REGION = 1; + static constexpr int32_t IMPLICIT_LSR = 0; + static constexpr int32_t DONT_CARE_FLAGS = 0; + + const char *language; + const char *script; + const char *region; + char *owned = nullptr; + /** Index for region, 0 if ill-formed. @see indexForRegion */ + int32_t regionIndex = 0; + int32_t flags = 0; + /** Only set for LSRs that will be used in a hash table. */ + int32_t hashCode = 0; + + LSR() : language("und"), script(""), region("") {} + + /** Constructor which aliases all subtag pointers. */ + LSR(const char *lang, const char *scr, const char *r, int32_t f) : + language(lang), script(scr), region(r), + regionIndex(indexForRegion(region)), flags(f) {} + /** + * Constructor which prepends the prefix to the language and script, + * copies those into owned memory, and aliases the region. + */ + LSR(char prefix, const char *lang, const char *scr, const char *r, int32_t f, + UErrorCode &errorCode); + LSR(LSR &&other) noexcept; + LSR(const LSR &other) = delete; + inline ~LSR() { + // Pure inline code for almost all instances. + if (owned != nullptr) { + deleteOwned(); + } + } + + LSR &operator=(LSR &&other) noexcept; + LSR &operator=(const LSR &other) = delete; + + /** + * Returns a positive index (>0) for a well-formed region code. + * Do not rely on a particular region->index mapping; it may change. + * Returns 0 for ill-formed strings. + */ + static int32_t indexForRegion(const char *region); + + UBool isEquivalentTo(const LSR &other) const; + bool operator==(const LSR &other) const; + + inline bool operator!=(const LSR &other) const { + return !operator==(other); + } + + LSR &setHashCode(); + +private: + void deleteOwned(); +}; + +U_NAMESPACE_END + +#endif // __LSR_H__ -- cgit v1.2.3