Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/src/lib-fts/fts-tokenizer-generic-private.h b/src/lib-fts/fts-tokenizer-generic-private.h
new file mode 100644
index 0000000..87f4d48
--- /dev/null
+++ b/src/lib-fts/fts-tokenizer-generic-private.h
@@ -0,0 +1,57 @@
+#ifndef FTS_TOKENIZER_GENERIC_PRIVATE_H
+#define FTS_TOKENIZER_GENERIC_PRIVATE_H
+
+extern const struct fts_tokenizer_vfuncs generic_tokenizer_vfuncs_simple;
+extern const struct fts_tokenizer_vfuncs generic_tokenizer_vfuncs_tr29;
+
+/* Word boundary letter type */
+enum letter_type {
+	LETTER_TYPE_NONE = 0,
+	LETTER_TYPE_CR,
+	LETTER_TYPE_LF,
+	LETTER_TYPE_NEWLINE,
+	LETTER_TYPE_EXTEND,
+	LETTER_TYPE_REGIONAL_INDICATOR,
+	LETTER_TYPE_FORMAT,
+	LETTER_TYPE_KATAKANA,
+	LETTER_TYPE_HEBREW_LETTER,
+	LETTER_TYPE_ALETTER,
+	LETTER_TYPE_SINGLE_QUOTE,
+	LETTER_TYPE_DOUBLE_QUOTE,
+	LETTER_TYPE_MIDNUMLET,
+	LETTER_TYPE_MIDLETTER,
+	LETTER_TYPE_MIDNUM,
+	LETTER_TYPE_NUMERIC,
+	LETTER_TYPE_EXTENDNUMLET,
+	LETTER_TYPE_SOT,
+	LETTER_TYPE_EOT,
+	LETTER_TYPE_APOSTROPHE, /* Own modification to TR29 */
+	LETTER_TYPE_PREFIXSPLAT, /* Dovecot '*' for glob-like explicit prefix searching */
+	LETTER_TYPE_OTHER /* WB14 "any" */
+};
+
+enum boundary_algorithm {
+	BOUNDARY_ALGORITHM_NONE = 0,
+	BOUNDARY_ALGORITHM_SIMPLE,
+#define ALGORITHM_SIMPLE_NAME "simple"
+	BOUNDARY_ALGORITHM_TR29
+#define ALGORITHM_TR29_NAME "tr29"
+};
+
+struct generic_fts_tokenizer {
+	struct fts_tokenizer tokenizer;
+	unsigned int max_length;
+	bool prefixsplat; /* for search strings, accept a trailing '*' for explicit prefix */
+	bool wb5a; /* TR29 rule for prefix separation
+	              in e.g. French or Italian. */
+	bool seen_wb5a;
+	unichar_t prev_letter;
+	unichar_t letter;
+	enum boundary_algorithm algorithm;
+	enum letter_type prev_type;
+	enum letter_type prev_prev_type;
+	size_t untruncated_length;
+	buffer_t *token;
+};
+
+#endif