branch: externals/trie
commit 15b4de9ca85c6daf40c6c35ac273ea4098209e74
Author: Toby Cubitt <[email protected]>
Commit: tsc25 <[email protected]>
Simplified trie--create by storing functions for predefined trie types in
symbol property lists
---
trie.el | 74 +++++++++++++++++++++++++++++++++++------------------------------
1 file changed, 40 insertions(+), 34 deletions(-)
diff --git a/trie.el b/trie.el
index 26f6ddd..7c7ffb2 100644
--- a/trie.el
+++ b/trie.el
@@ -170,6 +170,24 @@
;;; ================================================================
+;;; Setup pre-defined trie types
+
+;; --- avl-tree ---
+(put 'avl :trie-createfun (lambda (cmpfun seq) (avl-tree-create cmpfun)))
+(put 'avl :trie-insertfun 'avl-tree-enter)
+(put 'avl :trie-deletefun 'avl-tree-delete)
+(put 'avl :trie-lookupfun 'avl-tree-member)
+(put 'avl :trie-mapfun 'avl-tree-mapc)
+(put 'avl :trie-emptyfun 'avl-tree-empty)
+(put 'avl :trie-stack-createfun 'avl-tree-stack)
+(put 'avl :trie-stack-popfun 'avl-tree-stack-pop)
+(put 'avl :trie-stack-emptyfun 'avl-tree-stack-empty-p)
+(put 'avl :trie-transform-for-print 'trie--avl-transform-for-print)
+(put 'avl :trie-transform-from-read 'trie--avl-transform-from-read)
+
+
+
+;;; ================================================================
;;; Replacements for CL functions
;; copied from cl-extra.el
@@ -227,50 +245,38 @@ If START or END is negative, it counts from the end."
(comparison-function &optional (type 'avl)
&aux
(createfun
- (cond
- ((eq type 'avl)
- (lambda (cmpfun seq) (avl-tree-create cmpfun)))
- (t (error "trie--create: unknown trie TYPE, %s" type))))
+ (or (get type :trie-createfun)
+ (error "trie--create: unknown trie TYPE, %s" type)))
(insertfun
- (cond
- ((eq type 'avl) 'avl-tree-enter)
- (t (error "trie--create: unknown trie TYPE, %s" type))))
+ (or (get type :trie-insertfun)
+ (error "trie--create: unknown trie TYPE, %s" type)))
(deletefun
- (cond
- ((eq type 'avl) 'avl-tree-delete)
- (t (error "trie--create: unknown trie TYPE, %s" type))))
+ (or (get type :trie-deletefun)
+ (error "trie--create: unknown trie TYPE, %s" type)))
(lookupfun
- (cond
- ((eq type 'avl) 'avl-tree-member)
- (t (error "trie--create: unknown trie TYPE, %s" type))))
+ (or (get type :trie-lookupfun)
+ (error "trie--create: unknown trie TYPE, %s" type)))
(mapfun
- (cond
- ((eq type 'avl) 'avl-tree-mapc)
- (t (error "trie--create: unknown trie TYPE, %s" type))))
+ (or (get type :trie-mapfun)
+ (error "trie--create: unknown trie TYPE, %s" type)))
(emptyfun
- (cond
- ((eq type 'avl) 'avl-tree-empty)
- (t (error "trie--create: unknown trie TYPE, %s" type))))
+ (or (get type :trie-emptyfun)
+ (error "trie--create: unknown trie TYPE, %s" type)))
(stack-createfun
- (cond
- ((eq type 'avl) 'avl-tree-stack)
- (t (error "trie--create: unknown trie TYPE, %s" type))))
+ (or (get type :trie-stack-createfun)
+ (error "trie--create: unknown trie TYPE, %s" type)))
(stack-popfun
- (cond
- ((eq type 'avl) 'avl-tree-stack-pop)
- (t (error "trie--create: unknown trie TYPE, %s" type))))
+ (or (get type :trie-stack-popfun)
+ (error "trie--create: unknown trie TYPE, %s" type)))
(stack-emptyfun
- (cond
- ((eq type 'avl) 'avl-tree-stack-empty-p)
- (t (error "trie--create: unknown trie TYPE, %s" type))))
+ (or (get type :trie-stack-emptyfun)
+ (error "trie--create: unknown trie TYPE, %s" type)))
(transform-for-print
- (cond
- ((eq type 'avl) 'trie--avl-transform-for-print)
- (t (error "trie--create: unknown trie TYPE, %s" type))))
+ (or (get type :trie-transform-for-print)
+ (error "trie--create: unknown trie TYPE, %s" type)))
(transform-from-read
- (cond
- ((eq type 'avl) 'trie--avl-transform-from-read)
- (t (error "trie--create: unknown trie TYPE, %s" type))))
+ (or (get type :trie-transform-from-read)
+ (error "trie--create: unknown trie TYPE, %s" type)))
(cmpfun (trie--wrap-cmpfun comparison-function))
(root (trie--node-create-root createfun cmpfun))
))
