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[elpa] master 5f19016: New user option: el-search-smart-case-fold-search
From: |
Michael Heerdegen |
Subject: |
[elpa] master 5f19016: New user option: el-search-smart-case-fold-search |
Date: |
Tue, 01 Mar 2016 19:23:10 +0000 |
branch: master
commit 5f19016ebb76402290c7da33ef9ce91efabc8e20
Author: Michael Heerdegen <address@hidden>
Commit: Michael Heerdegen <address@hidden>
New user option: el-search-smart-case-fold-search
---
packages/el-search/el-search.el | 23 +++++++++++++++++++++--
1 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/packages/el-search/el-search.el b/packages/el-search/el-search.el
index 00b1b15..fc9f2bf 100644
--- a/packages/el-search/el-search.el
+++ b/packages/el-search/el-search.el
@@ -253,9 +253,28 @@ The default value is `exp'."
(t (:background
"DarkSlateGray1")))
"Face for highlighting the other matches.")
+(defcustom el-search-smart-case-fold-search t
+ "Whether to use smart case folding in pattern matching.
+When an \"el-search\" pattern involves regexp matching (like for
+\"string\" or \"source\") and this option is non-nil,
+case-fold-search will be temporarily bound to t if the according
+regexp contains any upper case letter, and nil else. This is
+done independently for every single matching operation.
+
+If nil, the value of `case-fold-search' is decisive."
+ :type 'boolean)
+
;;;; Helpers
+(defun el-search--smart-string-match-p (regexp string)
+ "`string-match-p' taking `el-search-smart-case-fold-search' into account."
+ (let ((case-fold-search (if el-search-smart-case-fold-search
+ (not (let ((case-fold-search nil))
+ (string-match-p "[[:upper:]]" regexp)))
+ case-fold-search)))
+ (string-match-p regexp string)))
+
(defun el-search--print (expr)
(let ((print-quoted t)
(print-length nil)
@@ -569,7 +588,7 @@ matches the list (1 2 3 4 5 6 7 8 9) and binds `x' to (4 5
6)."
`(and (pred stringp)
(pred (lambda (,string)
(cl-every
- (lambda (,regexp) (string-match-p ,regexp ,string))
+ (lambda (,regexp) (el-search--smart-string-match-p ,regexp
,string))
(list ,@regexps)))))))
(el-search-defpattern symbol (&rest regexps)
@@ -614,7 +633,7 @@ of any kind matched by all PATTERNs are also matched.
(defun el-search--match-symbol-file (regexp symbol)
(when-let ((symbol-file (and (symbolp symbol)
(symbol-file symbol))))
- (string-match-p
+ (el-search--smart-string-match-p
(if (symbolp regexp) (concat "\\`" (symbol-name regexp) "\\'") regexp)
(file-name-sans-extension (file-name-nondirectory symbol-file)))))
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