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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:46:48 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:46:48 +0000 |
| commit | 311bcfc6b3acdd6fd152798c7f287ddf74fa2a98 (patch) | |
| tree | 0ec307299b1dada3701e42f4ca6eda57d708261e /src/include/common/unicode_norm.h | |
| parent | Initial commit. (diff) | |
| download | postgresql-15-upstream.tar.xz postgresql-15-upstream.zip | |
Adding upstream version 15.4.upstream/15.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/common/unicode_norm.h')
| -rw-r--r-- | src/include/common/unicode_norm.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/include/common/unicode_norm.h b/src/include/common/unicode_norm.h new file mode 100644 index 0000000..deb125d --- /dev/null +++ b/src/include/common/unicode_norm.h @@ -0,0 +1,39 @@ +/*------------------------------------------------------------------------- + * + * unicode_norm.h + * Routines for normalizing Unicode strings + * + * These definitions are used by both frontend and backend code. + * + * Copyright (c) 2017-2022, PostgreSQL Global Development Group + * + * src/include/common/unicode_norm.h + * + *------------------------------------------------------------------------- + */ +#ifndef UNICODE_NORM_H +#define UNICODE_NORM_H + +#include "mb/pg_wchar.h" + +typedef enum +{ + UNICODE_NFC = 0, + UNICODE_NFD = 1, + UNICODE_NFKC = 2, + UNICODE_NFKD = 3, +} UnicodeNormalizationForm; + +/* see UAX #15 */ +typedef enum +{ + UNICODE_NORM_QC_NO = 0, + UNICODE_NORM_QC_YES = 1, + UNICODE_NORM_QC_MAYBE = -1, +} UnicodeNormalizationQC; + +extern pg_wchar *unicode_normalize(UnicodeNormalizationForm form, const pg_wchar *input); + +extern UnicodeNormalizationQC unicode_is_normalized_quickcheck(UnicodeNormalizationForm form, const pg_wchar *input); + +#endif /* UNICODE_NORM_H */ |