X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=buffer_tree.h;h=903996860c56750d23fd53b629ed58fd03e58296;hp=8a7a33b8316c8aee5b6156cb4dd64f7749999d6e;hb=fc65f69bcfca74994e837adebdbbc16117ee77e2;hpb=0d6679a8036a45c03d0c5872a4cf6e9c6f87618f diff --git a/buffer_tree.h b/buffer_tree.h index 8a7a33b8..90399686 100644 --- a/buffer_tree.h +++ b/buffer_tree.h @@ -1,7 +1,35 @@ struct btr_node; -struct btr_node *btr_new_node(char *name, struct btr_node *parent); -void btr_del_node(struct btr_node *btrn); +typedef int (*btr_command_handler)(struct btr_node *btrn, + const char *command, char **result); + +enum btr_node_type { + BTR_NT_ROOT, + BTR_NT_INTERNAL, + BTR_NT_LEAF, +}; + +struct btr_node *btr_new_node(const char *name, struct btr_node *parent, + btr_command_handler handler, void *context); +void btr_remove_node(struct btr_node *btrn); +void btr_free_node(struct btr_node *btrn); void btr_add_output(char *buf, size_t size, struct btr_node *btrn); -bool btr_is_leaf_node(struct btr_node *btrn); +bool btr_no_children(struct btr_node *btrn); +size_t btr_bytes_pending(struct btr_node *btrn); +size_t btr_get_input_queue_size(struct btr_node *btrn); +bool btr_no_parent(struct btr_node *btrn); +size_t btr_next_buffer(struct btr_node *btrn, char **bufp); +void btr_consume(struct btr_node *btrn, size_t numbytes); +int btr_exec(struct btr_node *btrn, const char *command, char **value_result); +int btr_exec_up(struct btr_node *btrn, const char *command, char **value_result); +void btr_splice_out_node(struct btr_node *btrn); +void btr_pushdown(struct btr_node *btrn); +void *btr_context(struct btr_node *btrn); +void btr_merge(struct btr_node *btrn, size_t dest_size); +bool btr_eof(struct btr_node *btrn); +void btr_log_tree(struct btr_node *btrn, int loglevel); +int btr_pushdown_one(struct btr_node *btrn); +bool btr_inplace_ok(struct btr_node *btrn); +int btr_node_status(struct btr_node *btrn, size_t min_iqs, + enum btr_node_type type);