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-rw-r--r--src/lib-fts/fts-tokenizer-generic-private.h57
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
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+++ b/src/lib-fts/fts-tokenizer-generic-private.h
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+#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