* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
@ 2017-01-19 8:18 Thierry Volpiatto
2017-01-19 16:01 ` Eli Zaretskii
0 siblings, 1 reply; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-19 8:18 UTC (permalink / raw)
To: 25482
Actually it is not possible to customize easily
`query-replace-from-to-separator` and it is impossible to set it to nil.
If I use `setq`, `custom-reevaluate-setting` reevaluate the original
sexp from `query-replace-from-to-separator` and if I use customize I can
add a string or a sexp, nothing else.
But the code in `query-replace-read-from` is checking if
`query-replace-from-to-separator` is non-nil, which is impossible
actually.
Thus it adds difficulties to load such sexp when dumping emacs.
I would expect setting `query-replace-from-to-separator` to nil to
retrieve same behavior as emacs-24.5 and not have unicode strings in my
minibuffer-history.
This patch allow this, please review it.
Thanks.
diff --git a/lisp/replace.el b/lisp/replace.el
index ff917344453..dfc991b1691 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -79,15 +79,15 @@ That becomes the \"string to replace\".")
to the minibuffer that reads the string to replace, or invoke replacements
from Isearch by using a key sequence like `C-s C-s M-%'." "24.3")
-(defcustom query-replace-from-to-separator
- (propertize (if (char-displayable-p ?→) " → " " -> ")
- 'face 'minibuffer-prompt)
- "String that separates FROM and TO in the history of replacement pairs."
- ;; Avoids error when attempt to autoload char-displayable-p fails
- ;; while preparing to dump, also stops customize-rogue listing this.
- :initialize 'custom-initialize-delay
+(defcustom query-replace-from-to-separator " → "
+ "String that separates FROM and TO in the history of replacement pairs.
+When nil the default separator \" -> \" will be used as a plain string
+and the pair will not be added to `query-replace-history'
+\(Same behavior as in emacs 24.5)."
:group 'matching
- :type '(choice string (sexp :tag "Display specification"))
+ :type '(choice
+ (const :tag "Disabled" nil)
+ string)
:version "25.1")
(defcustom query-replace-from-history-variable 'query-replace-history
@@ -165,9 +165,13 @@ The return value can also be a pair (FROM . TO) indicating that the user
wants to replace FROM with TO."
(if query-replace-interactive
(car (if regexp-flag regexp-search-ring search-ring))
- ;; Reevaluating will check char-displayable-p that is
- ;; unavailable while preparing to dump.
- (custom-reevaluate-setting 'query-replace-from-to-separator)
+ (when (stringp query-replace-from-to-separator)
+ (setq query-replace-from-to-separator
+ (propertize (if (char-displayable-p
+ (string-to-char query-replace-from-to-separator))
+ query-replace-from-to-separator
+ " -> ")
+ 'face 'minibuffer-prompt)))
(let* ((history-add-new-input nil)
(separator
(when query-replace-from-to-separator
@@ -185,9 +189,13 @@ wants to replace FROM with TO."
(symbol-value query-replace-from-history-variable)))
(minibuffer-allow-text-properties t) ; separator uses text-properties
(prompt
- (if (and query-replace-defaults separator)
- (format "%s (default %s): " prompt (car minibuffer-history))
- (format "%s: " prompt)))
+ (cond ((and query-replace-defaults separator)
+ (format "%s (default %s): " prompt (car minibuffer-history)))
+ (query-replace-defaults
+ (format "%s (default %s -> %s): " prompt
+ (query-replace-descr (caar query-replace-defaults))
+ (query-replace-descr (cdar query-replace-defaults))))
+ (t (format "%s: " prompt))))
(from
;; The save-excursion here is in case the user marks and copies
;; a region in order to specify the minibuffer input.
In GNU Emacs 26.0.50.2 (x86_64-unknown-linux-gnu, GTK+ Version 3.10.8)
of 2017-01-06 built on dell-14z
Repository revision: 1d714e41ea73af89b56fb4bf19f8f0c3f443c268
Windowing system distributor 'The X.Org Foundation', version 11.0.11701000
System Description: Linux Mint 17.3 Rosa
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Auto-saving...done
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previous-line: Beginning of buffer
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cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese composite charscript
case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote dbusbind inotify
dynamic-setting system-font-setting font-render-setting move-toolbar gtk
x-toolkit x multi-tty make-network-process emacs)
Memory information:
((conses 16 878437 367693)
(symbols 48 66030 13)
(miscs 40 9143 3337)
(strings 32 204861 111153)
(string-bytes 1 7231121)
(vectors 16 104738)
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(heap 1024 108498 9771))
--
Thierry
^ permalink raw reply related [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-19 8:18 bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil Thierry Volpiatto
@ 2017-01-19 16:01 ` Eli Zaretskii
[not found] ` <87vatac0a2.fsf@gmail.com>
2017-01-20 5:54 ` Thierry Volpiatto
0 siblings, 2 replies; 32+ messages in thread
From: Eli Zaretskii @ 2017-01-19 16:01 UTC (permalink / raw)
To: Thierry Volpiatto; +Cc: 25482
> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
> Date: Thu, 19 Jan 2017 09:18:07 +0100
>
>
> Actually it is not possible to customize easily
> `query-replace-from-to-separator` and it is impossible to set it to nil.
>
> If I use `setq`, `custom-reevaluate-setting` reevaluate the original
> sexp from `query-replace-from-to-separator` and if I use customize I can
> add a string or a sexp, nothing else.
> But the code in `query-replace-read-from` is checking if
> `query-replace-from-to-separator` is non-nil, which is impossible
> actually.
> Thus it adds difficulties to load such sexp when dumping emacs.
>
> I would expect setting `query-replace-from-to-separator` to nil to
> retrieve same behavior as emacs-24.5 and not have unicode strings in my
> minibuffer-history.
Sorry, I don't think I follow: you should be able to set this variable
to " -> ", a string, to get the old behavior and avoid non-ASCII
strings in your minibuffer-history. So why did you need the value of
nil?
> + (when (stringp query-replace-from-to-separator)
> + (setq query-replace-from-to-separator
> + (propertize (if (char-displayable-p
> + (string-to-char query-replace-from-to-separator))
This doesn't look right: string-to-char will return the blank
character, which is the first character of " → ", and I don't think
you meant that.
In any case, this looks more complex than it has to be, because you
for some reason want to have the nil value. Please elaborate on the
need for that.
Thanks.
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: Fwd: Re: bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
[not found] ` <87vatac0a2.fsf@gmail.com>
@ 2017-01-20 5:42 ` Thierry Volpiatto
2017-01-20 7:56 ` Eli Zaretskii
1 sibling, 0 replies; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-20 5:42 UTC (permalink / raw)
To: 25482
Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:
> Eli Zaretskii <eliz@gnu.org> writes:
>
>> Sorry, I don't think I follow: you should be able to set this variable
>> to " -> ", a string, to get the old behavior and avoid non-ASCII
>> strings in your minibuffer-history.
>
> No, you don't have the same behavior, you endup with a non ascii string
> which goes to minibuffer-history, so the behavior is not as emacs-24.5
> if you set this variable to " -> ".
>
>> So why did you need the value of nil?
>
> Because when it is nil the string is not added to history, just like in
> 24.5.
>
>>> + (when (stringp query-replace-from-to-separator)
>>> + (setq query-replace-from-to-separator
>>> + (propertize (if (char-displayable-p
>>> + (string-to-char query-replace-from-to-separator))
>>
>> This doesn't look right: string-to-char will return the blank
>> character, which is the first character of " → ", and I don't think
>> you meant that.
>
> Yes, you are right, thanks, however see how the actual code is wrong,
> what if someone set the separator to another unicode string.
>
>> In any case, this looks more complex than it has to be, because you
>> for some reason want to have the nil value. Please elaborate on the
>> need for that.
>
> To retrieve the same behavior as in emacs-24.5, see above.
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-19 16:01 ` Eli Zaretskii
[not found] ` <87vatac0a2.fsf@gmail.com>
@ 2017-01-20 5:54 ` Thierry Volpiatto
1 sibling, 0 replies; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-20 5:54 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482
Here the patch updated:
1 file changed, 25 insertions(+), 16 deletions(-)
lisp/replace.el | 41 +++++++++++++++++++++++++----------------
modified lisp/replace.el
@@ -79,15 +79,15 @@ That becomes the \"string to replace\".")
to the minibuffer that reads the string to replace, or invoke replacements
from Isearch by using a key sequence like `C-s C-s M-%'." "24.3")
-(defcustom query-replace-from-to-separator
- (propertize (if (char-displayable-p ?→) " → " " -> ")
- 'face 'minibuffer-prompt)
- "String that separates FROM and TO in the history of replacement pairs."
- ;; Avoids error when attempt to autoload char-displayable-p fails
- ;; while preparing to dump, also stops customize-rogue listing this.
- :initialize 'custom-initialize-delay
+(defcustom query-replace-from-to-separator " → "
+ "String that separates FROM and TO in the history of replacement pairs.
+When nil the default separator \" -> \" will be used as a plain string
+and the pair will not be added to `query-replace-history'
+\(Same behavior as in emacs 24.5)."
:group 'matching
- :type '(choice string (sexp :tag "Display specification"))
+ :type '(choice
+ (const :tag "Disabled" nil)
+ string)
:version "25.1")
(defcustom query-replace-from-history-variable 'query-replace-history
@@ -165,9 +165,15 @@ The return value can also be a pair (FROM . TO) indicating that the user
wants to replace FROM with TO."
(if query-replace-interactive
(car (if regexp-flag regexp-search-ring search-ring))
- ;; Reevaluating will check char-displayable-p that is
- ;; unavailable while preparing to dump.
- (custom-reevaluate-setting 'query-replace-from-to-separator)
+ (when (stringp query-replace-from-to-separator)
+ (setq query-replace-from-to-separator
+ (propertize (if (char-displayable-p
+ (string-to-char
+ (replace-regexp-in-string
+ " " "" query-replace-from-to-separator)))
+ query-replace-from-to-separator
+ " -> ")
+ 'face 'minibuffer-prompt)))
(let* ((history-add-new-input nil)
(separator
(when query-replace-from-to-separator
@@ -185,9 +191,13 @@ wants to replace FROM with TO."
(symbol-value query-replace-from-history-variable)))
(minibuffer-allow-text-properties t) ; separator uses text-properties
(prompt
- (if (and query-replace-defaults separator)
- (format "%s (default %s): " prompt (car minibuffer-history))
- (format "%s: " prompt)))
+ (cond ((and query-replace-defaults separator)
+ (format "%s (default %s): " prompt (car minibuffer-history)))
+ (query-replace-defaults
+ (format "%s (default %s -> %s): " prompt
+ (query-replace-descr (caar query-replace-defaults))
+ (query-replace-descr (cdar query-replace-defaults))))
+ (t (format "%s: " prompt))))
(from
;; The save-excursion here is in case the user marks and copies
;; a region in order to specify the minibuffer input.
@@ -200,8 +210,7 @@ wants to replace FROM with TO."
(if regexp-flag
(read-regexp prompt nil 'minibuffer-history)
(read-from-minibuffer
- prompt nil nil nil nil
- (car (if regexp-flag regexp-search-ring search-ring)) t)))))
+ prompt nil nil nil nil (car search-ring) t)))))
(to))
(if (and (zerop (length from)) query-replace-defaults)
(cons (caar query-replace-defaults)
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
[not found] ` <87vatac0a2.fsf@gmail.com>
2017-01-20 5:42 ` bug#25482: Fwd: " Thierry Volpiatto
@ 2017-01-20 7:56 ` Eli Zaretskii
2017-01-20 11:35 ` Thierry Volpiatto
1 sibling, 1 reply; 32+ messages in thread
From: Eli Zaretskii @ 2017-01-20 7:56 UTC (permalink / raw)
To: Thierry Volpiatto; +Cc: 25482
[You've replied only to me.]
> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
> Date: Thu, 19 Jan 2017 20:33:41 +0100
>
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > Sorry, I don't think I follow: you should be able to set this variable
> > to " -> ", a string, to get the old behavior and avoid non-ASCII
> > strings in your minibuffer-history.
>
> No, you don't have the same behavior, you endup with a non ascii string
> which goes to minibuffer-history, so the behavior is not as emacs-24.5
> if you set this variable to " -> ".
So you are saying that even setting the string to " -> " gets " → "
into the history? If so, that's the bug that we should solve, I
think.
> > So why did you need the value of nil?
>
> Because when it is nil the string is not added to history, just like in
> 24.5.
Is it a problem to have the ASCII " -> " in the history? Assuming we
solve this part of the problem, would you still need to disable adding
the string to the history?
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-20 7:56 ` Eli Zaretskii
@ 2017-01-20 11:35 ` Thierry Volpiatto
2017-01-20 13:06 ` Eli Zaretskii
0 siblings, 1 reply; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-20 11:35 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482
Eli Zaretskii <eliz@gnu.org> writes:
> [You've replied only to me.]
Yes sorry, I am so used to github that I sometimes forget to reply to
all.
> So you are saying that even setting the string to " -> " gets " → "
> into the history?
No even if you set the string to " -> " the string is not a plain string
but "\0" with 'display property " -> ".
> If so, that's the bug that we should solve, I think.
The patch is fixing this.
> Is it a problem to have the ASCII " -> " in the history?
It is not ASCII but ^@.
> Assuming we solve this part of the problem, would you still need to
> disable adding the string to the history?
No that would be ok as long as we use a plain string for " -> ".
But note that the fix I provided make the defcustom simpler and easier
to maintain both from user and developer side, thus it allow to use both
custom and setq which is not the case with actual code.
So to resume,
With actual code:
1) Using (setq query-replace-from-to-separator " -> ")
is not working.
2) Using (customize-set-variable query-replace-from-to-separator " -> ")
is working but " -> " will not be a plain ascii string and will be added
to history.
3) Setting query-replace-from-to-separator to nil is not possible, apart perhaps
using a sexp that evaluate to nil, which is not obvious and in which
case do not add a prompt with a default value like in 24.5 (regression).
With the patch:
1) and 2) are working and preserve the actual behavior, which is adding
"from<separator>to" to history.
3) Is working and provide the exact behavior as 24.5, that is use a
plain ascii string " -> " as separator and do not add
"from<separator>to" to history.
The default setting is the same as the actual code, no change.
Unrelated,
I also fixed this block of code:
(if regexp-flag
(read-regexp prompt nil 'minibuffer-history)
(read-from-minibuffer
prompt nil nil nil nil
(car (if regexp-flag regexp-search-ring search-ring)) t))
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-20 11:35 ` Thierry Volpiatto
@ 2017-01-20 13:06 ` Eli Zaretskii
2017-01-20 15:16 ` Thierry Volpiatto
2017-01-21 10:05 ` Thierry Volpiatto
0 siblings, 2 replies; 32+ messages in thread
From: Eli Zaretskii @ 2017-01-20 13:06 UTC (permalink / raw)
To: Thierry Volpiatto; +Cc: 25482
> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
> Cc: 25482@debbugs.gnu.org
> Date: Fri, 20 Jan 2017 12:35:29 +0100
>
> With actual code:
>
> 1) Using (setq query-replace-from-to-separator " -> ")
> is not working.
>
> 2) Using (customize-set-variable query-replace-from-to-separator " -> ")
> is working but " -> " will not be a plain ascii string and will be added
> to history.
>
> 3) Setting query-replace-from-to-separator to nil is not possible, apart perhaps
> using a sexp that evaluate to nil, which is not obvious and in which
> case do not add a prompt with a default value like in 24.5 (regression).
>
> With the patch:
>
> 1) and 2) are working and preserve the actual behavior, which is adding
> "from<separator>to" to history.
>
> 3) Is working and provide the exact behavior as 24.5, that is use a
> plain ascii string " -> " as separator and do not add
> "from<separator>to" to history.
>
> The default setting is the same as the actual code, no change.
Yes, I understand.
I'm asking whether the (fixed) behavior, whereby using setq to change
the value to " -> " would add the ASCII string " -> " to the
minibuffer history, would be acceptable. If not, please tell why.
Thanks.
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-20 13:06 ` Eli Zaretskii
@ 2017-01-20 15:16 ` Thierry Volpiatto
2017-01-22 19:06 ` Eli Zaretskii
2017-01-21 10:05 ` Thierry Volpiatto
1 sibling, 1 reply; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-20 15:16 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482
Eli Zaretskii <eliz@gnu.org> writes:
> I'm asking whether the (fixed) behavior, whereby using setq to change
> the value to " -> " would add the ASCII string " -> " to the
> minibuffer history, would be acceptable. If not, please tell why.
Would be good, but we will have to modify also
`query-replace--split-string` just for this purpose as it assume the
separator is one char long and have a text property 'separator.
I wanted to keep things as simple as possible in this patch.
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-20 13:06 ` Eli Zaretskii
2017-01-20 15:16 ` Thierry Volpiatto
@ 2017-01-21 10:05 ` Thierry Volpiatto
2017-01-21 10:24 ` Thierry Volpiatto
1 sibling, 1 reply; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-21 10:05 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482
Eli Zaretskii <eliz@gnu.org> writes:
> I'm asking whether the (fixed) behavior, whereby using setq to change
> the value to " -> " would add the ASCII string " -> " to the
> minibuffer history, would be acceptable. If not, please tell why.
Here the patch updated adding the plain string to history when it is an
ascii string.
1 file changed, 92 insertions(+), 74 deletions(-)
lisp/replace.el | 166 +++++++++++++++++++++++++++++++-------------------------
modified lisp/replace.el
@@ -79,15 +79,17 @@ That becomes the \"string to replace\".")
to the minibuffer that reads the string to replace, or invoke replacements
from Isearch by using a key sequence like `C-s C-s M-%'." "24.3")
-(defcustom query-replace-from-to-separator
- (propertize (if (char-displayable-p ?→) " → " " -> ")
- 'face 'minibuffer-prompt)
- "String that separates FROM and TO in the history of replacement pairs."
- ;; Avoids error when attempt to autoload char-displayable-p fails
- ;; while preparing to dump, also stops customize-rogue listing this.
- :initialize 'custom-initialize-delay
+(defcustom query-replace-from-to-separator " → "
+ "String that separates FROM and TO in the history of replacement pairs.
+When non-nil, the pair (FROM TO) will be added to `query-replace-history' as
+a string \"FROM<separator>TO\".
+When nil the default separator \" -> \" will be used as a plain string
+and the pair will not be added to `query-replace-history'
+\(Same behavior as in emacs 24.5)."
:group 'matching
- :type '(choice string (sexp :tag "Display specification"))
+ :type '(choice
+ (const :tag "Disabled" nil)
+ string)
:version "25.1")
(defcustom query-replace-from-history-variable 'query-replace-history
@@ -150,14 +152,20 @@ See `replace-regexp' and `query-replace-regexp-eval'.")
(mapconcat 'isearch-text-char-description string ""))
(defun query-replace--split-string (string)
- "Split string STRING at a character with property `separator'"
+ "Split string STRING at `query-replace-from-to-separator'.
+Split at a character with property `separator' or at place matching regexp
+`query-replace-from-to-separator'."
(let* ((length (length string))
(split-pos (text-property-any 0 length 'separator t string)))
- (if (not split-pos)
- (substring-no-properties string)
- (cl-assert (not (text-property-any (1+ split-pos) length 'separator t string)))
- (cons (substring-no-properties string 0 split-pos)
- (substring-no-properties string (1+ split-pos) length)))))
+ (cond (split-pos
+ (cl-assert (not (text-property-any
+ (1+ split-pos) length 'separator t string)))
+ (cons (substring-no-properties string 0 split-pos)
+ (substring-no-properties string (1+ split-pos) length)))
+ ((string-match query-replace-from-to-separator string)
+ (cons (substring-no-properties string 0 (match-beginning 0))
+ (substring-no-properties string (match-end 0) length)))
+ (t (substring-no-properties string)))))
(defun query-replace-read-from (prompt regexp-flag)
"Query and return the `from' argument of a query-replace operation.
@@ -165,66 +173,76 @@ The return value can also be a pair (FROM . TO) indicating that the user
wants to replace FROM with TO."
(if query-replace-interactive
(car (if regexp-flag regexp-search-ring search-ring))
- ;; Reevaluating will check char-displayable-p that is
- ;; unavailable while preparing to dump.
- (custom-reevaluate-setting 'query-replace-from-to-separator)
- (let* ((history-add-new-input nil)
- (separator
- (when query-replace-from-to-separator
- (propertize "\0"
- 'display query-replace-from-to-separator
- 'separator t)))
- (minibuffer-history
- (append
- (when separator
- (mapcar (lambda (from-to)
- (concat (query-replace-descr (car from-to))
- separator
- (query-replace-descr (cdr from-to))))
- query-replace-defaults))
- (symbol-value query-replace-from-history-variable)))
- (minibuffer-allow-text-properties t) ; separator uses text-properties
- (prompt
- (if (and query-replace-defaults separator)
- (format "%s (default %s): " prompt (car minibuffer-history))
- (format "%s: " prompt)))
- (from
- ;; The save-excursion here is in case the user marks and copies
- ;; a region in order to specify the minibuffer input.
- ;; That should not clobber the region for the query-replace itself.
- (save-excursion
- (minibuffer-with-setup-hook
- (lambda ()
- (setq-local text-property-default-nonsticky
- (cons '(separator . t) text-property-default-nonsticky)))
- (if regexp-flag
- (read-regexp prompt nil 'minibuffer-history)
- (read-from-minibuffer
- prompt nil nil nil nil
- (car (if regexp-flag regexp-search-ring search-ring)) t)))))
- (to))
- (if (and (zerop (length from)) query-replace-defaults)
- (cons (caar query-replace-defaults)
- (query-replace-compile-replacement
- (cdar query-replace-defaults) regexp-flag))
- (setq from (query-replace--split-string from))
- (when (consp from) (setq to (cdr from) from (car from)))
- (add-to-history query-replace-from-history-variable from nil t)
- ;; Warn if user types \n or \t, but don't reject the input.
- (and regexp-flag
- (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\(\\\\[nt]\\)" from)
- (let ((match (match-string 3 from)))
- (cond
- ((string= match "\\n")
- (message "Note: `\\n' here doesn't match a newline; to do that, type C-q C-j instead"))
- ((string= match "\\t")
- (message "Note: `\\t' here doesn't match a tab; to do that, just type TAB")))
- (sit-for 2)))
- (if (not to)
- from
- (add-to-history query-replace-to-history-variable to nil t)
- (add-to-history 'query-replace-defaults (cons from to) nil t)
- (cons from (query-replace-compile-replacement to regexp-flag)))))))
+ (let ((sep-char (replace-regexp-in-string
+ " " "" query-replace-from-to-separator)))
+ (when (stringp query-replace-from-to-separator)
+ (setq query-replace-from-to-separator
+ (propertize (if (char-displayable-p (string-to-char sep-char))
+ query-replace-from-to-separator
+ " -> ")
+ 'face 'minibuffer-prompt)))
+ (let* ((history-add-new-input nil)
+ (separator
+ (if (and query-replace-from-to-separator
+ (> (string-bytes sep-char) (length sep-char)))
+ (propertize "\0"
+ 'display query-replace-from-to-separator
+ 'separator t)
+ (propertize query-replace-from-to-separator 'separator t)))
+ (minibuffer-history
+ (append
+ (when separator
+ (mapcar (lambda (from-to)
+ (concat (query-replace-descr (car from-to))
+ separator
+ (query-replace-descr (cdr from-to))))
+ query-replace-defaults))
+ (symbol-value query-replace-from-history-variable)))
+ (minibuffer-allow-text-properties t) ; separator uses text-properties
+ (prompt
+ (cond ((and query-replace-defaults separator)
+ (format "%s (default %s): " prompt (car minibuffer-history)))
+ (query-replace-defaults
+ (format "%s (default %s -> %s): " prompt
+ (query-replace-descr (caar query-replace-defaults))
+ (query-replace-descr (cdar query-replace-defaults))))
+ (t (format "%s: " prompt))))
+ (from
+ ;; The save-excursion here is in case the user marks and copies
+ ;; a region in order to specify the minibuffer input.
+ ;; That should not clobber the region for the query-replace itself.
+ (save-excursion
+ (minibuffer-with-setup-hook
+ (lambda ()
+ (setq-local text-property-default-nonsticky
+ (cons '(separator . t) text-property-default-nonsticky)))
+ (if regexp-flag
+ (read-regexp prompt nil 'minibuffer-history)
+ (read-from-minibuffer
+ prompt nil nil nil nil (car search-ring) t)))))
+ (to))
+ (if (and (zerop (length from)) query-replace-defaults)
+ (cons (caar query-replace-defaults)
+ (query-replace-compile-replacement
+ (cdar query-replace-defaults) regexp-flag))
+ (setq from (query-replace--split-string from))
+ (when (consp from) (setq to (cdr from) from (car from)))
+ (add-to-history query-replace-from-history-variable from nil t)
+ ;; Warn if user types \n or \t, but don't reject the input.
+ (and regexp-flag
+ (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\(\\\\[nt]\\)" from)
+ (let ((match (match-string 3 from)))
+ (cond
+ ((string= match "\\n")
+ (message "Note: `\\n' here doesn't match a newline; to do that, type C-q C-j instead"))
+ ((string= match "\\t")
+ (message "Note: `\\t' here doesn't match a tab; to do that, just type TAB")))
+ (sit-for 2)))
+ (if (not to)
+ from
+ (add-to-history query-replace-to-history-variable to nil t)
+ (add-to-history 'query-replace-defaults (cons from to) nil t)
+ (cons from (query-replace-compile-replacement to regexp-flag))))))))
(defun query-replace-compile-replacement (to regexp-flag)
"Maybe convert a regexp replacement TO to Lisp.
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-21 10:05 ` Thierry Volpiatto
@ 2017-01-21 10:24 ` Thierry Volpiatto
0 siblings, 0 replies; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-21 10:24 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482
Thierry Volpiatto <thierry.volpiatto@gmail.com> writes:
> Eli Zaretskii <eliz@gnu.org> writes:
>
>> I'm asking whether the (fixed) behavior, whereby using setq to change
>> the value to " -> " would add the ASCII string " -> " to the
>> minibuffer history, would be acceptable. If not, please tell why.
>
> Here the patch updated adding the plain string to history when it is an
> ascii string.
Which fail now when query-replace-from-to-separator is nil but I fixed
it here (not resending new patch unless you ask for it).
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-20 15:16 ` Thierry Volpiatto
@ 2017-01-22 19:06 ` Eli Zaretskii
2017-01-22 20:14 ` Thierry Volpiatto
0 siblings, 1 reply; 32+ messages in thread
From: Eli Zaretskii @ 2017-01-22 19:06 UTC (permalink / raw)
To: Thierry Volpiatto; +Cc: 25482
> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
> Cc: 25482@debbugs.gnu.org
> Date: Fri, 20 Jan 2017 16:16:34 +0100
>
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > I'm asking whether the (fixed) behavior, whereby using setq to change
> > the value to " -> " would add the ASCII string " -> " to the
> > minibuffer history, would be acceptable. If not, please tell why.
>
> Would be good, but we will have to modify also
> `query-replace--split-string` just for this purpose as it assume the
> separator is one char long and have a text property 'separator.
I'm afraid we are mis-communicating. The current code uses a null
character as the separator, giving it a display property and a
separator property. The display property uses a non-ASCII character
(→). What I wanted to suggest is to keep the same code, and just
allow users to specify the ASCII string " -> " for the display
property. That should be much simpler than your proposed patch, and I
don't really see how it would add non-ASCII characters to your
minibuffer history. It also eliminates the need for making changes in
query-replace--split-string. What am I missing?
Thanks.
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-22 19:06 ` Eli Zaretskii
@ 2017-01-22 20:14 ` Thierry Volpiatto
2017-01-22 20:32 ` Eli Zaretskii
0 siblings, 1 reply; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-22 20:14 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482
Eli Zaretskii <eliz@gnu.org> writes:
> I'm afraid we are mis-communicating.
Yes.
> The current code uses a null character as the separator, giving it a
> display property and a separator property. The display property uses
> a non-ASCII character (→). What I wanted to suggest is to keep the
> same code, and just allow users to specify the ASCII string " -> " for
> the display property.
No change is needed for this, it's what the current code does.
> That should be much simpler than your proposed patch,
What would be much more simple would be to not use at all properties,
the actual implementation is too complex for something quite simple.
I will not have much time to continue on this, I will look into this
maybe later, if you think this change is not important, just close the bug for
now (if you need the last patch I wrote which works fine, let me know).
Thanks.
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-22 20:14 ` Thierry Volpiatto
@ 2017-01-22 20:32 ` Eli Zaretskii
2017-01-23 8:13 ` Thierry Volpiatto
0 siblings, 1 reply; 32+ messages in thread
From: Eli Zaretskii @ 2017-01-22 20:32 UTC (permalink / raw)
To: Thierry Volpiatto; +Cc: 25482
> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
> Cc: 25482@debbugs.gnu.org
> Date: Sun, 22 Jan 2017 21:14:03 +0100
>
> What would be much more simple would be to not use at all properties,
> the actual implementation is too complex for something quite simple.
But why is it a problem in the first place?
In any case, some change is still needed, I believe, because you said
customization of this is not easy. Can you show a simple recipe that
demonstrates the problems with customizing this option?
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-22 20:32 ` Eli Zaretskii
@ 2017-01-23 8:13 ` Thierry Volpiatto
2017-01-28 6:50 ` Thierry Volpiatto
0 siblings, 1 reply; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-23 8:13 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
>> Cc: 25482@debbugs.gnu.org
>> Date: Sun, 22 Jan 2017 21:14:03 +0100
>>
>> What would be much more simple would be to not use at all properties,
>> the actual implementation is too complex for something quite simple.
>
> But why is it a problem in the first place?
The problem is that you endup in the history with a crap string, see
https://github.com/emacs-helm/helm/issues/1667.
> In any case, some change is still needed, I believe, because you said
> customization of this is not easy. Can you show a simple recipe that
> demonstrates the problems with customizing this option?
I think just looking at the defcustom using a sexp which need delay in
the defcustom to ensure char-displayable-p is ready to use and the need
to reevaluate this defcustom at each call of query-replace-read-from
explain all.
This patch don't change the actual behavior, I have removed the fallback
to emacs-24.5 behavior, so now setting query-replace-from-to-separator
to nil just fallback to " -> ".
With this patch the whole string is added to history.
Also usage of setq is possible, with actual implementation it is not possible.
Finally the implementation is much simpler not relaying on props.
I will not have the time for further comments or modifications of patch,
I leave it here for memory, if you want to merge it let me know.
Thanks.
1 file changed, 28 insertions(+), 35 deletions(-)
lisp/replace.el | 63 +++++++++++++++++++++++++--------------------------------
modified lisp/replace.el
@@ -79,15 +79,12 @@ That becomes the \"string to replace\".")
to the minibuffer that reads the string to replace, or invoke replacements
from Isearch by using a key sequence like `C-s C-s M-%'." "24.3")
-(defcustom query-replace-from-to-separator
- (propertize (if (char-displayable-p ?→) " → " " -> ")
- 'face 'minibuffer-prompt)
- "String that separates FROM and TO in the history of replacement pairs."
- ;; Avoids error when attempt to autoload char-displayable-p fails
- ;; while preparing to dump, also stops customize-rogue listing this.
- :initialize 'custom-initialize-delay
+(defcustom query-replace-from-to-separator " → "
+ "String that separates FROM and TO in the history of replacement pairs.
+When nil or the string provided not displayable the default separator \" -> \"
+will be used instead."
:group 'matching
- :type '(choice string (sexp :tag "Display specification"))
+ :type '(choice string)
:version "25.1")
(defcustom query-replace-from-history-variable 'query-replace-history
@@ -150,14 +147,12 @@ See `replace-regexp' and `query-replace-regexp-eval'.")
(mapconcat 'isearch-text-char-description string ""))
(defun query-replace--split-string (string)
- "Split string STRING at a character with property `separator'"
- (let* ((length (length string))
- (split-pos (text-property-any 0 length 'separator t string)))
- (if (not split-pos)
- (substring-no-properties string)
- (cl-assert (not (text-property-any (1+ split-pos) length 'separator t string)))
- (cons (substring-no-properties string 0 split-pos)
- (substring-no-properties string (1+ split-pos) length)))))
+ "Split string STRING at `query-replace-from-to-separator'."
+ (let ((separator (or query-replace-from-to-separator " -> ")))
+ (cond ((string-match separator string)
+ (cons (substring-no-properties string 0 (match-beginning 0))
+ (substring-no-properties string (match-end 0))))
+ (t (substring-no-properties string)))))
(defun query-replace-read-from (prompt regexp-flag)
"Query and return the `from' argument of a query-replace operation.
@@ -165,43 +160,41 @@ The return value can also be a pair (FROM . TO) indicating that the user
wants to replace FROM with TO."
(if query-replace-interactive
(car (if regexp-flag regexp-search-ring search-ring))
- ;; Reevaluating will check char-displayable-p that is
- ;; unavailable while preparing to dump.
- (custom-reevaluate-setting 'query-replace-from-to-separator)
(let* ((history-add-new-input nil)
- (separator
- (when query-replace-from-to-separator
- (propertize "\0"
- 'display query-replace-from-to-separator
- 'separator t)))
+ (sep-char (and (stringp query-replace-from-to-separator)
+ (replace-regexp-in-string
+ " " "" query-replace-from-to-separator)))
+ (separator (propertize
+ (if (and sep-char
+ (char-displayable-p (string-to-char sep-char)))
+ query-replace-from-to-separator
+ " -> ")
+ 'face 'minibuffer-prompt))
(minibuffer-history
(append
- (when separator
(mapcar (lambda (from-to)
(concat (query-replace-descr (car from-to))
separator
(query-replace-descr (cdr from-to))))
- query-replace-defaults))
+ query-replace-defaults)
(symbol-value query-replace-from-history-variable)))
- (minibuffer-allow-text-properties t) ; separator uses text-properties
(prompt
- (if (and query-replace-defaults separator)
- (format "%s (default %s): " prompt (car minibuffer-history))
+ (if query-replace-defaults
+ (format "%s (default %s %s %s): "
+ prompt
+ (query-replace-descr (caar query-replace-defaults))
+ separator
+ (query-replace-descr (cdar query-replace-defaults)))
(format "%s: " prompt)))
(from
;; The save-excursion here is in case the user marks and copies
;; a region in order to specify the minibuffer input.
;; That should not clobber the region for the query-replace itself.
(save-excursion
- (minibuffer-with-setup-hook
- (lambda ()
- (setq-local text-property-default-nonsticky
- (cons '(separator . t) text-property-default-nonsticky)))
(if regexp-flag
(read-regexp prompt nil 'minibuffer-history)
(read-from-minibuffer
- prompt nil nil nil nil
- (car (if regexp-flag regexp-search-ring search-ring)) t)))))
+ prompt nil nil nil nil (car search-ring) t))))
(to))
(if (and (zerop (length from)) query-replace-defaults)
(cons (caar query-replace-defaults)
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-23 8:13 ` Thierry Volpiatto
@ 2017-01-28 6:50 ` Thierry Volpiatto
2017-01-28 7:31 ` Eli Zaretskii
0 siblings, 1 reply; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-28 6:50 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482
Just to not leave this unfinished, here the last patch I did which
simplify code.
- defcustom is simple (string or nil).
- No need to reevaluate defcustom at every time.
- setq is usable.
- splitting is now simple with all the text property dance removed.
- plain string is added to history instead of a crap string.
1 file changed, 29 insertions(+), 37 deletions(-)
lisp/replace.el | 66 +++++++++++++++++++++++++--------------------------------
modified lisp/replace.el
@@ -79,15 +79,12 @@ That becomes the \"string to replace\".")
to the minibuffer that reads the string to replace, or invoke replacements
from Isearch by using a key sequence like `C-s C-s M-%'." "24.3")
-(defcustom query-replace-from-to-separator
- (propertize (if (char-displayable-p ?→) " → " " -> ")
- 'face 'minibuffer-prompt)
- "String that separates FROM and TO in the history of replacement pairs."
- ;; Avoids error when attempt to autoload char-displayable-p fails
- ;; while preparing to dump, also stops customize-rogue listing this.
- :initialize 'custom-initialize-delay
+(defcustom query-replace-from-to-separator " → "
+ "String that separates FROM and TO in the history of replacement pairs.
+When nil or the string provided not displayable the default separator \" -> \"
+will be used instead."
:group 'matching
- :type '(choice string (sexp :tag "Display specification"))
+ :type '(choice string)
:version "25.1")
(defcustom query-replace-from-history-variable 'query-replace-history
@@ -149,15 +146,12 @@ See `replace-regexp' and `query-replace-regexp-eval'.")
(defun query-replace-descr (string)
(mapconcat 'isearch-text-char-description string ""))
-(defun query-replace--split-string (string)
- "Split string STRING at a character with property `separator'"
- (let* ((length (length string))
- (split-pos (text-property-any 0 length 'separator t string)))
- (if (not split-pos)
- (substring-no-properties string)
- (cl-assert (not (text-property-any (1+ split-pos) length 'separator t string)))
- (cons (substring-no-properties string 0 split-pos)
- (substring-no-properties string (1+ split-pos) length)))))
+(defun query-replace--split-string (string separator)
+ "Split string STRING at `query-replace-from-to-separator'."
+ (cond ((string-match separator string)
+ (cons (substring-no-properties string 0 (match-beginning 0))
+ (substring-no-properties string (match-end 0))))
+ (t (substring-no-properties string))))
(defun query-replace-read-from (prompt regexp-flag)
"Query and return the `from' argument of a query-replace operation.
@@ -165,49 +159,47 @@ The return value can also be a pair (FROM . TO) indicating that the user
wants to replace FROM with TO."
(if query-replace-interactive
(car (if regexp-flag regexp-search-ring search-ring))
- ;; Reevaluating will check char-displayable-p that is
- ;; unavailable while preparing to dump.
- (custom-reevaluate-setting 'query-replace-from-to-separator)
(let* ((history-add-new-input nil)
- (separator
- (when query-replace-from-to-separator
- (propertize "\0"
- 'display query-replace-from-to-separator
- 'separator t)))
+ (sep-char (and (stringp query-replace-from-to-separator)
+ (replace-regexp-in-string
+ " " "" query-replace-from-to-separator)))
+ (separator (propertize
+ (if (and sep-char
+ (char-displayable-p (string-to-char sep-char)))
+ query-replace-from-to-separator
+ " -> ")
+ 'face 'minibuffer-prompt))
(minibuffer-history
(append
- (when separator
(mapcar (lambda (from-to)
(concat (query-replace-descr (car from-to))
separator
(query-replace-descr (cdr from-to))))
- query-replace-defaults))
+ query-replace-defaults)
(symbol-value query-replace-from-history-variable)))
- (minibuffer-allow-text-properties t) ; separator uses text-properties
(prompt
- (if (and query-replace-defaults separator)
- (format "%s (default %s): " prompt (car minibuffer-history))
+ (if query-replace-defaults
+ (format "%s (default %s %s %s): "
+ prompt
+ (query-replace-descr (caar query-replace-defaults))
+ separator
+ (query-replace-descr (cdar query-replace-defaults)))
(format "%s: " prompt)))
(from
;; The save-excursion here is in case the user marks and copies
;; a region in order to specify the minibuffer input.
;; That should not clobber the region for the query-replace itself.
(save-excursion
- (minibuffer-with-setup-hook
- (lambda ()
- (setq-local text-property-default-nonsticky
- (cons '(separator . t) text-property-default-nonsticky)))
(if regexp-flag
(read-regexp prompt nil 'minibuffer-history)
(read-from-minibuffer
- prompt nil nil nil nil
- (car (if regexp-flag regexp-search-ring search-ring)) t)))))
+ prompt nil nil nil nil (car search-ring) t))))
(to))
(if (and (zerop (length from)) query-replace-defaults)
(cons (caar query-replace-defaults)
(query-replace-compile-replacement
(cdar query-replace-defaults) regexp-flag))
- (setq from (query-replace--split-string from))
+ (setq from (query-replace--split-string from separator))
(when (consp from) (setq to (cdr from) from (car from)))
(add-to-history query-replace-from-history-variable from nil t)
;; Warn if user types \n or \t, but don't reject the input.
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-28 6:50 ` Thierry Volpiatto
@ 2017-01-28 7:31 ` Eli Zaretskii
2017-01-28 10:43 ` Thierry Volpiatto
0 siblings, 1 reply; 32+ messages in thread
From: Eli Zaretskii @ 2017-01-28 7:31 UTC (permalink / raw)
To: Thierry Volpiatto; +Cc: 25482
> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
> Cc: 25482@debbugs.gnu.org
> Date: Sat, 28 Jan 2017 07:50:19 +0100
>
> Just to not leave this unfinished, here the last patch I did which
> simplify code.
>
> - defcustom is simple (string or nil).
> - No need to reevaluate defcustom at every time.
> - setq is usable.
> - splitting is now simple with all the text property dance removed.
> - plain string is added to history instead of a crap string.
Thanks, but I don't understand why you want to get rid of the display
property. (I also object to calling the result of that "crap".) I'd
rather we left the display property and its supporting code intact,
and only moved the char-displayable-p call to the place where the
string is used instead of having it in the defcustom, thus allowing
customizations with setq. That should solve the real problems with
the current code, leaving the style-related issues alone. I realize
that you don't like that style, but I think we should respect style
preferences of others and not change their code just because we would
have written it differently.
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-28 7:31 ` Eli Zaretskii
@ 2017-01-28 10:43 ` Thierry Volpiatto
2017-01-28 11:01 ` Eli Zaretskii
0 siblings, 1 reply; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-28 10:43 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482
Eli Zaretskii <eliz@gnu.org> writes:
> Thanks, but I don't understand why you want to get rid of the display
> property.
This complicate the code and force external apps to handle this, see
https://github.com/emacs-helm/helm/commit/2b8576c0705145b5d133e41478976eef5b3d7390
> (I also object to calling the result of that "crap".)
Sorry, but it is:
Selecting foo → bar in a list results in foo^@bar being entered into the
minibuffer, not with the query-replace interface but when handling the
history list from somewhere else.
> I'd rather we left the display property and its supporting code
> intact, and only moved the char-displayable-p call to the place where
> the string is used instead of having it in the defcustom, thus
> allowing customizations with setq. That should solve the real
> problems with the current code, leaving the style-related issues
> alone.
It doesn't see above.
> I realize that you don't like that style, but I think we should
> respect style preferences of others and not change their code just
> because we would have written it differently.
The patch change nothing and allow same customization as before.
I wrote this patch because I think it makes the code better, allow
easier customization and fix issue described above.
I understand if you want to keep the code as it is to be sure nothing
wrong is introduced in a code that is already "working".
Thanks.
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-28 10:43 ` Thierry Volpiatto
@ 2017-01-28 11:01 ` Eli Zaretskii
2017-01-28 11:23 ` Thierry Volpiatto
0 siblings, 1 reply; 32+ messages in thread
From: Eli Zaretskii @ 2017-01-28 11:01 UTC (permalink / raw)
To: Thierry Volpiatto; +Cc: 25482
> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
> Cc: 25482@debbugs.gnu.org
> Date: Sat, 28 Jan 2017 11:43:48 +0100
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > Thanks, but I don't understand why you want to get rid of the display
> > property.
>
> This complicate the code and force external apps to handle this, see
> https://github.com/emacs-helm/helm/commit/2b8576c0705145b5d133e41478976eef5b3d7390
Maybe I'm missing something, but the above is no different from the
need to adapt to any new feature in core Emacs.
> Selecting foo → bar in a list results in foo^@bar being entered into the
> minibuffer, not with the query-replace interface but when handling the
> history list from somewhere else.
Yes, the external packages need to adapt to this, if they want to use
the internal features. I don't think this can be avoided in general.
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-28 11:01 ` Eli Zaretskii
@ 2017-01-28 11:23 ` Thierry Volpiatto
2017-01-28 13:50 ` Eli Zaretskii
0 siblings, 1 reply; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-28 11:23 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482
Eli Zaretskii <eliz@gnu.org> writes:
> Yes, the external packages need to adapt to this, if they want to use
> the internal features. I don't think this can be avoided in general.
What can be avoided is writing complex code when simple code can be used
for the same result.
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-28 11:23 ` Thierry Volpiatto
@ 2017-01-28 13:50 ` Eli Zaretskii
2017-01-28 16:46 ` Thierry Volpiatto
0 siblings, 1 reply; 32+ messages in thread
From: Eli Zaretskii @ 2017-01-28 13:50 UTC (permalink / raw)
To: Thierry Volpiatto; +Cc: 25482
> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
> Cc: 25482@debbugs.gnu.org
> Date: Sat, 28 Jan 2017 12:23:54 +0100
>
> > Yes, the external packages need to adapt to this, if they want to use
> > the internal features. I don't think this can be avoided in general.
>
> What can be avoided is writing complex code when simple code can be used
> for the same result.
Maybe so, but that ship has sailed more than 2 years ago, and was
preceded by a long discussion. I didn't read all of it now, but
AFAIU, the reason for using a character with a display property was to
make the separator not editable when the user edits the history. So
that design decision and the resulting code we have now had some
justification, and any replacement will have to support the same
features, which I think a simple string will not do.
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-28 13:50 ` Eli Zaretskii
@ 2017-01-28 16:46 ` Thierry Volpiatto
[not found] ` <87k29ey93n.fsf@mail.linkov.net>
2017-02-13 0:37 ` Juri Linkov
0 siblings, 2 replies; 32+ messages in thread
From: Thierry Volpiatto @ 2017-01-28 16:46 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
>> Cc: 25482@debbugs.gnu.org
>> Date: Sat, 28 Jan 2017 12:23:54 +0100
>>
>> > Yes, the external packages need to adapt to this, if they want to use
>> > the internal features. I don't think this can be avoided in general.
>>
>> What can be avoided is writing complex code when simple code can be used
>> for the same result.
>
> Maybe so, but that ship has sailed more than 2 years ago, and was
> preceded by a long discussion. I didn't read all of it now, but
> AFAIU, the reason for using a character with a display property was to
> make the separator not editable when the user edits the history.
Ok, I understand, don't think many people are editing history file and
people doing so, I guess known what they are doing.
> So that design decision and the resulting code we have now had some
> justification, and any replacement will have to support the same
> features, which I think a simple string will not do.
Ok, thanks for explanation, perhaps you can close this bug.
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
[not found] ` <87k29ey93n.fsf@mail.linkov.net>
@ 2017-01-29 3:42 ` Eli Zaretskii
2017-01-30 0:16 ` Juri Linkov
0 siblings, 1 reply; 32+ messages in thread
From: Eli Zaretskii @ 2017-01-29 3:42 UTC (permalink / raw)
To: Juri Linkov; +Cc: 25482, thierry.volpiatto
> From: Juri Linkov <juri@linkov.net>
> Cc: Eli Zaretskii <eliz@gnu.org>, 25482@debbugs.gnu.org
> Date: Sun, 29 Jan 2017 02:59:24 +0200
>
> >> So that design decision and the resulting code we have now had some
> >> justification, and any replacement will have to support the same
> >> features, which I think a simple string will not do.
> >
> > Ok, thanks for explanation, perhaps you can close this bug.
>
> Please don't close this bug. I think your idea for customization was good.
> We just need to find the right implementation that will keep the current
> default intact, at the same time allowing you to customize the string
> or set it to nil.
I intended to move the char-displayable-p call from the defcustom, and
remove the re-evaluate call. But if you want to handle this part, it
would be even better. It's just that you've been very silent on this
issue until now.
Thanks.
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-29 3:42 ` Eli Zaretskii
@ 2017-01-30 0:16 ` Juri Linkov
0 siblings, 0 replies; 32+ messages in thread
From: Juri Linkov @ 2017-01-30 0:16 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482, thierry.volpiatto
>> >> So that design decision and the resulting code we have now had some
>> >> justification, and any replacement will have to support the same
>> >> features, which I think a simple string will not do.
>> >
>> > Ok, thanks for explanation, perhaps you can close this bug.
>>
>> Please don't close this bug. I think your idea for customization was good.
>> We just need to find the right implementation that will keep the current
>> default intact, at the same time allowing you to customize the string
>> or set it to nil.
>
> I intended to move the char-displayable-p call from the defcustom, and
> remove the re-evaluate call. But if you want to handle this part, it
> would be even better. It's just that you've been very silent on this
> issue until now.
I've been silent because I agreed to your replies to Thierry :)
At one point in the beginning of this thread I believe Thierry sent
a patch closest to what would be good to have (before “code simplification”
where development went astray). We could return to that patch and test
if it does these things right: instead of re-evaluating checks
char-displayable-p, but when query-replace-from-to-separator is nil
falls back to pre-24.5 that adds strings to the history without ^@.
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-01-28 16:46 ` Thierry Volpiatto
[not found] ` <87k29ey93n.fsf@mail.linkov.net>
@ 2017-02-13 0:37 ` Juri Linkov
2017-02-13 2:24 ` Glenn Morris
` (2 more replies)
1 sibling, 3 replies; 32+ messages in thread
From: Juri Linkov @ 2017-02-13 0:37 UTC (permalink / raw)
To: Thierry Volpiatto; +Cc: 25482-done
>> So that design decision and the resulting code we have now had some
>> justification, and any replacement will have to support the same
>> features, which I think a simple string will not do.
>
> Ok, thanks for explanation, perhaps you can close this bug.
Thanks, Thierry, I installed your second patch (from 20 Jan)
with some modifications.
As for your idea of using plain ASCII separators without text properties,
the problem is that it will not work if the user wants to replace
the same string as is used for the separator, e.g. to replace
→ with -> in the current buffer. If you have more ideas how
to make the separator unambiguous without using text properties,
then please reopen this bug.
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-02-13 0:37 ` Juri Linkov
@ 2017-02-13 2:24 ` Glenn Morris
2017-02-13 3:04 ` Glenn Morris
2017-02-13 5:51 ` Eli Zaretskii
2017-02-13 5:53 ` Thierry Volpiatto
2 siblings, 1 reply; 32+ messages in thread
From: Glenn Morris @ 2017-02-13 2:24 UTC (permalink / raw)
To: 25482; +Cc: juri, thierry.volpiatto
Hi, this doesn't seem to bootstrap:
http://hydra.nixos.org/build/48432485
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-02-13 2:24 ` Glenn Morris
@ 2017-02-13 3:04 ` Glenn Morris
0 siblings, 0 replies; 32+ messages in thread
From: Glenn Morris @ 2017-02-13 3:04 UTC (permalink / raw)
To: 25482; +Cc: juri, thierry.volpiatto
Never mind, it seems there was a trivial fix (ef6132c55fc).
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-02-13 0:37 ` Juri Linkov
2017-02-13 2:24 ` Glenn Morris
@ 2017-02-13 5:51 ` Eli Zaretskii
2017-02-14 0:04 ` Juri Linkov
2017-02-13 5:53 ` Thierry Volpiatto
2 siblings, 1 reply; 32+ messages in thread
From: Eli Zaretskii @ 2017-02-13 5:51 UTC (permalink / raw)
To: Juri Linkov; +Cc: 25482, thierry.volpiatto
> From: Juri Linkov <juri@linkov.net>
> Cc: Eli Zaretskii <eliz@gnu.org>, 25482-done@debbugs.gnu.org
> Date: Mon, 13 Feb 2017 02:37:56 +0200
>
> >> So that design decision and the resulting code we have now had some
> >> justification, and any replacement will have to support the same
> >> features, which I think a simple string will not do.
> >
> > Ok, thanks for explanation, perhaps you can close this bug.
>
> Thanks, Thierry, I installed your second patch (from 20 Jan)
> with some modifications.
Thanks, but please also update NEWS and the Emacs manual with the
information about the new nil value of the separator. (Maybe it's a
good idea to describe in the ELisp manual the structure of
query-replace-history elements?)
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-02-13 0:37 ` Juri Linkov
2017-02-13 2:24 ` Glenn Morris
2017-02-13 5:51 ` Eli Zaretskii
@ 2017-02-13 5:53 ` Thierry Volpiatto
2017-02-16 20:43 ` Juri Linkov
2 siblings, 1 reply; 32+ messages in thread
From: Thierry Volpiatto @ 2017-02-13 5:53 UTC (permalink / raw)
To: Juri Linkov; +Cc: 25482-done
Juri Linkov <juri@linkov.net> writes:
> Thanks, Thierry, I installed your second patch (from 20 Jan)
> with some modifications.
Thanks.
> As for your idea of using plain ASCII separators without text properties,
> the problem is that it will not work if the user wants to replace
> the same string as is used for the separator, e.g. to replace
> → with -> in the current buffer.
So yes, this is a good reason.
--
Thierry
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-02-13 5:51 ` Eli Zaretskii
@ 2017-02-14 0:04 ` Juri Linkov
2017-02-14 0:24 ` Drew Adams
0 siblings, 1 reply; 32+ messages in thread
From: Juri Linkov @ 2017-02-14 0:04 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 25482, thierry.volpiatto
> Thanks, but please also update NEWS and the Emacs manual with the
> information about the new nil value of the separator.
I updated NEWS, but not the Emacs manual because the new nil value
is useful only for some old users (who want its old behavior),
not for new users.
> (Maybe it's a good idea to describe in the ELisp manual the structure
> of query-replace-history elements?)
Currently the structure of query-replace-history is very simple, but in
bug#25591 we are going to find a solution to store more meta-information
in the replacement history that might require documenting it in the
ELisp manual.
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-02-14 0:04 ` Juri Linkov
@ 2017-02-14 0:24 ` Drew Adams
2017-02-18 10:45 ` Eli Zaretskii
0 siblings, 1 reply; 32+ messages in thread
From: Drew Adams @ 2017-02-14 0:24 UTC (permalink / raw)
To: Juri Linkov, Eli Zaretskii; +Cc: 25482, thierry.volpiatto
> > Thanks, but please also update NEWS and the Emacs manual with the
> > information about the new nil value of the separator.
>
> I updated NEWS, but not the Emacs manual because the new nil value
> is useful only for some old users (who want its old behavior),
> not for new users.
Why would you suppose that? The behavior, which includes nil as
a possible value, should be described. Let users decide whether
this or that value is better for them. Please document the option
correctly.
^ permalink raw reply [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-02-13 5:53 ` Thierry Volpiatto
@ 2017-02-16 20:43 ` Juri Linkov
0 siblings, 0 replies; 32+ messages in thread
From: Juri Linkov @ 2017-02-16 20:43 UTC (permalink / raw)
To: Thierry Volpiatto; +Cc: 25482
>> As for your idea of using plain ASCII separators without text properties,
>> the problem is that it will not work if the user wants to replace
>> the same string as is used for the separator, e.g. to replace
>> → with -> in the current buffer.
>
> So yes, this is a good reason.
Wait, maybe you are right in the idea to use the separator string as is,
instead of the null character. We still need to use text properties
to unambiguously mark separator boundaries, so we can't rely on
regexp matching to find separator boundaries. But at least “ → ”
is not more frequent string to replace than the null character.
Putting special text properties on the separator itself instead of
the null character might be more beneficial for such situations
where the separator is exposed without text properties, e.g. when
copying the contents of the minibuffer. However, one drawback is
that searching in the replacement minibuffer history for the same
string as the separator (e.g. “→”) will find matches in the separator,
not only in replacement strings.
This patch demonstrates what we could do. It still uses the ‘display’
property because I see no other simple way to make the separator string
intangible.
diff --git a/lisp/replace.el b/lisp/replace.el
index b96c883..6600ff6 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -149,14 +149,17 @@ query-replace-descr
(mapconcat 'isearch-text-char-description string ""))
(defun query-replace--split-string (string)
- "Split string STRING at a character with property `separator'"
+ "Split string STRING at a substring with property `separator'"
(let* ((length (length string))
(split-pos (text-property-any 0 length 'separator t string)))
(if (not split-pos)
(substring-no-properties string)
- (cl-assert (not (text-property-any (1+ split-pos) length 'separator t string)))
(cons (substring-no-properties string 0 split-pos)
- (substring-no-properties string (1+ split-pos) length)))))
+ (substring-no-properties
+ string (or (text-property-not-all
+ (1+ split-pos) length 'separator t string)
+ length)
+ length)))))
(defun query-replace-read-from (prompt regexp-flag)
"Query and return the `from' argument of a query-replace operation.
@@ -165,17 +168,19 @@ query-replace-read-from
(if query-replace-interactive
(car (if regexp-flag regexp-search-ring search-ring))
(let* ((history-add-new-input nil)
+ (separator-string
+ (when query-replace-from-to-separator
+ ;; Check if the first non-whitespace char is displayable
+ (if (char-displayable-p
+ (string-to-char (replace-regexp-in-string
+ " " "" query-replace-from-to-separator)))
+ query-replace-from-to-separator
+ " -> ")))
(separator
- (when query-replace-from-to-separator
- (propertize "\0"
- 'display
- (propertize
- (if (char-displayable-p
- (string-to-char (replace-regexp-in-string
- " " "" query-replace-from-to-separator)))
- query-replace-from-to-separator
- " -> ")
- 'face 'minibuffer-prompt)
+ (when separator-string
+ (propertize separator-string
+ 'display separator-string
+ 'face 'minibuffer-prompt
'separator t)))
(minibuffer-history
(append
@@ -203,7 +210,8 @@ query-replace-read-from
(minibuffer-with-setup-hook
(lambda ()
(setq-local text-property-default-nonsticky
- (cons '(separator . t) text-property-default-nonsticky)))
+ (append '((separator . t) (face . t))
+ text-property-default-nonsticky)))
(if regexp-flag
(read-regexp prompt nil 'minibuffer-history)
(read-from-minibuffer
^ permalink raw reply related [flat|nested] 32+ messages in thread
* bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil
2017-02-14 0:24 ` Drew Adams
@ 2017-02-18 10:45 ` Eli Zaretskii
0 siblings, 0 replies; 32+ messages in thread
From: Eli Zaretskii @ 2017-02-18 10:45 UTC (permalink / raw)
To: Drew Adams; +Cc: 25482-done, juri, thierry.volpiatto
> Date: Mon, 13 Feb 2017 16:24:41 -0800 (PST)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: 25482@debbugs.gnu.org, thierry.volpiatto@gmail.com
>
> > > Thanks, but please also update NEWS and the Emacs manual with the
> > > information about the new nil value of the separator.
> >
> > I updated NEWS, but not the Emacs manual because the new nil value
> > is useful only for some old users (who want its old behavior),
> > not for new users.
>
> Why would you suppose that? The behavior, which includes nil as
> a possible value, should be described. Let users decide whether
> this or that value is better for them. Please document the option
> correctly.
Done.
^ permalink raw reply [flat|nested] 32+ messages in thread
end of thread, other threads:[~2017-02-18 10:45 UTC | newest]
Thread overview: 32+ messages (download: mbox.gz follow: Atom feed
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2017-01-19 8:18 bug#25482: 26.0.50; Allow setting `query-replace-from-to-separator` to nil Thierry Volpiatto
2017-01-19 16:01 ` Eli Zaretskii
[not found] ` <87vatac0a2.fsf@gmail.com>
2017-01-20 5:42 ` bug#25482: Fwd: " Thierry Volpiatto
2017-01-20 7:56 ` Eli Zaretskii
2017-01-20 11:35 ` Thierry Volpiatto
2017-01-20 13:06 ` Eli Zaretskii
2017-01-20 15:16 ` Thierry Volpiatto
2017-01-22 19:06 ` Eli Zaretskii
2017-01-22 20:14 ` Thierry Volpiatto
2017-01-22 20:32 ` Eli Zaretskii
2017-01-23 8:13 ` Thierry Volpiatto
2017-01-28 6:50 ` Thierry Volpiatto
2017-01-28 7:31 ` Eli Zaretskii
2017-01-28 10:43 ` Thierry Volpiatto
2017-01-28 11:01 ` Eli Zaretskii
2017-01-28 11:23 ` Thierry Volpiatto
2017-01-28 13:50 ` Eli Zaretskii
2017-01-28 16:46 ` Thierry Volpiatto
[not found] ` <87k29ey93n.fsf@mail.linkov.net>
2017-01-29 3:42 ` Eli Zaretskii
2017-01-30 0:16 ` Juri Linkov
2017-02-13 0:37 ` Juri Linkov
2017-02-13 2:24 ` Glenn Morris
2017-02-13 3:04 ` Glenn Morris
2017-02-13 5:51 ` Eli Zaretskii
2017-02-14 0:04 ` Juri Linkov
2017-02-14 0:24 ` Drew Adams
2017-02-18 10:45 ` Eli Zaretskii
2017-02-13 5:53 ` Thierry Volpiatto
2017-02-16 20:43 ` Juri Linkov
2017-01-21 10:05 ` Thierry Volpiatto
2017-01-21 10:24 ` Thierry Volpiatto
2017-01-20 5:54 ` Thierry Volpiatto
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