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-rw-r--r--src/plugins/fts-squat/squat-trie.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/plugins/fts-squat/squat-trie.h b/src/plugins/fts-squat/squat-trie.h
new file mode 100644
index 0000000..91530b8
--- /dev/null
+++ b/src/plugins/fts-squat/squat-trie.h
@@ -0,0 +1,54 @@
+#ifndef SQUAT_TRIE_H
+#define SQUAT_TRIE_H
+
+#include "file-lock.h"
+#include "seq-range-array.h"
+
+enum squat_index_flags {
+ SQUAT_INDEX_FLAG_MMAP_DISABLE = 0x01,
+ SQUAT_INDEX_FLAG_NFS_FLUSH = 0x02,
+ SQUAT_INDEX_FLAG_DOTLOCK_USE_EXCL = 0x04
+};
+
+enum squat_index_type {
+ SQUAT_INDEX_TYPE_HEADER = 0x01,
+ SQUAT_INDEX_TYPE_BODY = 0x02
+};
+
+struct squat_trie_build_context;
+
+struct squat_trie *
+squat_trie_init(const char *path, uint32_t uidvalidity,
+ enum file_lock_method lock_method,
+ enum squat_index_flags flags, mode_t mode, gid_t gid);
+void squat_trie_deinit(struct squat_trie **trie);
+
+void squat_trie_set_partial_len(struct squat_trie *trie, unsigned int len);
+void squat_trie_set_full_len(struct squat_trie *trie, unsigned int len);
+
+int squat_trie_open(struct squat_trie *trie);
+int squat_trie_refresh(struct squat_trie *trie);
+
+int squat_trie_build_init(struct squat_trie *trie,
+ struct squat_trie_build_context **ctx_r);
+/* bodies must be added before headers */
+int squat_trie_build_more(struct squat_trie_build_context *ctx,
+ uint32_t uid, enum squat_index_type type,
+ const unsigned char *data, unsigned int size);
+/* if expunged_uids is non-NULL, they may be removed from the index if they
+ still exist. */
+int squat_trie_build_deinit(struct squat_trie_build_context **ctx,
+ const ARRAY_TYPE(seq_range) *expunged_uids)
+ ATTR_NULL(2);
+
+int squat_trie_get_last_uid(struct squat_trie *trie, uint32_t *last_uid_r);
+/* type specifies if we're looking at header, body or both */
+int squat_trie_lookup(struct squat_trie *trie, const char *str,
+ enum squat_index_type type,
+ ARRAY_TYPE(seq_range) *definite_uids,
+ ARRAY_TYPE(seq_range) *maybe_uids);
+
+struct squat_uidlist *squat_trie_get_uidlist(struct squat_trie *trie);
+size_t squat_trie_mem_used(struct squat_trie *trie, unsigned int *count_r);
+
+#endif