* lisp/org-habit.el: (org-habit-parse-todo) Don't parse more days
than
needed.
When constructing a consistency graph, org-habit (with this patch)
will
stop searching for timestamps when the number of matches exceeds the
span of time displayed in the graph. This can produce a significant
speedup in agenda construction, especially for entries with many
logbook
entries. Previously, org-habit would parse all logbook timestamps,
even
if they numbered in the hundreds.
Before:
org-habit-parse-todo 33 0.7357430000 0.0222952424
After:
org-habit-parse-todo 33 0.11648 0.0035296969
This patch respects the value of org-log-states-order-reversed, but
assumes that users do not frequently change its value (and thus the
order of their log entries).
---
lisp/org-habit.el | 16 ++++++++++++----
1 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/lisp/org-habit.el b/lisp/org-habit.el
index b174a1f..a05dd1b 100644
--- a/lisp/org-habit.el
+++ b/lisp/org-habit.el
@@ -170,10 +170,18 @@ This list represents a \"habit\" for the rest
of this module."
habit-entry scheduled-repeat))
(setq deadline (+ scheduled (- dr-days sr-days))))
(org-back-to-heading t)
- (while (re-search-forward "- State \"DONE\".*\\[\\([^]]+\\)\
\]" end t)
- (push (time-to-days
- (org-time-string-to-time (match-string-no-properties 1)))
- closed-dates))
+ (let* ((maxdays (+ org-habit-preceding-days org-habit-
following-days))
+ (reversed org-log-states-order-reversed)
+ (search (if reversed 're-search-forward 're-search-backward))
+ (limit (if reversed end (point)))
+ (count 0))
+ (unless reversed (goto-char end))
+ (while (and (funcall search "- State \"DONE\".*\\[\\([^]]+\\)\\]"
limit t)
+ (< count maxdays))
+ (push (time-to-days
+ (org-time-string-to-time (match-string-no-properties 1)))
+ closed-dates)
+ (setq count (1+ count))))
(list scheduled sr-days deadline dr-days closed-dates))))
(defsubst org-habit-scheduled (habit)
--
1.7.3.5
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