emacs: info: Generalize inserting and formatting.

* emacs/guix-info.el: Use a more flexible format for inserting any data.
  (guix-info-ignore-empty-vals): Rename to...
  (guix-info-ignore-empty-values): ... this.
  (guix-info-insert-methods): Merge this and...
  (guix-info-displayed-params): ... this into...
  (guix-info-format): ... this.  Change format specifications.
  (guix-info-title-aliases, guix-info-value-aliases): New variables.
  (guix-info-displayed-params): Adjust for the new format.
  (guix-info-insert-entry): Likewise.
  (guix-package-info-fill-heading): Replace with...
  (guix-info-fill): ... this.
  (guix-info-insert-param): Replace with...
  (guix-info-insert-entry-unit): ... this.
  (guix-info-insert-title-default): Replace with...
  (guix-info-insert-title-format): ... this.
  (guix-info-insert-val-default): Replace with...
  (guix-info-insert-value-format): ... this.
  (guix-info-insert-val-simple): Replace with...
  (guix-info-insert-value-indent): ... this.
  (guix-package-info-insert-source): Adjust accordingly.
  (guix-package-info-insert-heading): Insert only name and version.
  (guix-package-info-define-insert-inputs): Do not generate
  'guix-package-info-insert-ENTRY-TYPE-inputs' procedures.
  (guix-info-fill-column, guix-info-insert-entry-default)
  (guix-info-method-funcall, guix-info-insert-file-path)
  (guix-info-insert-url, guix-info-insert-package-function)
  (guix-info-insert-installed-function)
  (guix-info-insert-output-function)
  (guix-info-insert-generation-function)
  (guix-package-info-heading-params)
  (guix-package-info-insert-with-heading)
  (guix-package-info-insert-description)
  (guix-package-info-insert-location)
  (guix-package-info-insert-full-names)
  (guix-package-info-insert-source-url): Remove.
  (guix-info-fill-column, guix-info-param-title)
  (guix-info-title-function, guix-info-value-function)
  (guix-info-title-method->function)
  (guix-info-value-method->function)
  (guix-info-insert-value-simple): New procedures.
* emacs/guix-utils.el (guix-buttonize, guix-button-type?): New
  procedures.
  (guix-split-string): Split multi-line strings and ignore empty lines.
* doc/emacs.texi (Emacs Appearance): Adjust accordingly.
This commit is contained in:
Alex Kost 2015-11-20 00:13:19 +03:00
parent 25d2fe8bef
commit 2c7ed388cf
3 changed files with 277 additions and 301 deletions

View file

@ -484,13 +484,12 @@ the following variables (@dfn{ENTRY-TYPE} means @code{package},
Specify the columns, their names, what and how is displayed in ``list''
buffers.
@item guix-info-displayed-params
@itemx guix-info-insert-methods
@itemx guix-info-ignore-empty-vals
@item guix-info-format
@itemx guix-info-ignore-empty-values
@itemx guix-info-param-title-format
@itemx guix-info-multiline-prefix
@itemx guix-info-indent
@itemx guix-info-fill-column
@itemx guix-info-fill
@itemx guix-info-delimiter
Various settings for ``info'' buffers.

View file

@ -81,122 +81,175 @@
"Mouse face used for action buttons."
:group 'guix-info-faces)
(defcustom guix-info-ignore-empty-vals nil
(defcustom guix-info-ignore-empty-values nil
"If non-nil, do not display parameters with nil values."
:type 'boolean
:group 'guix-info)
(defcustom guix-info-fill t
"If non-nil, fill string parameters to fit the window.
If nil, insert text parameters (like synopsis or description) in
a raw form."
:type 'boolean
:group 'guix-info)
(defvar guix-info-param-title-format "%-18s: "
"String used to format a title of a parameter.
It should be a '%s'-sequence. After inserting a title formatted
with this string, a value of the parameter is inserted.
This string is used by `guix-info-insert-title-default'.")
This string is used by `guix-info-insert-title-format'.")
(defvar guix-info-multiline-prefix (make-string 20 ?\s)
(defvar guix-info-multiline-prefix
(make-string (length (format guix-info-param-title-format " "))
?\s)
"String used to format multi-line parameter values.
If a value occupies more than one line, this string is inserted
in the beginning of each line after the first one.
This string is used by `guix-info-insert-val-default'.")
This string is used by `guix-info-insert-value-format'.")
(defvar guix-info-indent 2
"Number of spaces used to indent various parts of inserted text.")
(defvar guix-info-fill-column 60
"Column used for filling (word wrapping) parameters with long lines.
If a value is not multi-line and it occupies more than this
number of characters, it will be split into several lines.")
(defvar guix-info-delimiter "\n\f\n"
"String used to separate entries.")
(defvar guix-info-insert-methods
(defvar guix-info-format
'((package
(name guix-package-info-name)
(version guix-package-info-version)
(license guix-package-info-license)
(synopsis guix-package-info-synopsis)
(description guix-package-info-insert-description
guix-info-insert-title-simple)
(outputs guix-package-info-insert-outputs
guix-info-insert-title-simple)
(source guix-package-info-insert-source
guix-info-insert-title-simple)
(home-url guix-info-insert-url)
(inputs guix-package-info-insert-inputs)
(native-inputs guix-package-info-insert-native-inputs)
(propagated-inputs guix-package-info-insert-propagated-inputs)
(location guix-package-info-insert-location))
guix-package-info-insert-heading
ignore
(synopsis ignore (simple guix-package-info-synopsis))
ignore
(description ignore (simple guix-package-info-description))
ignore
(outputs simple guix-package-info-insert-outputs)
(source simple guix-package-info-insert-source)
(location format (format guix-package-location))
(home-url format (format guix-url))
(license format (format guix-package-info-license))
(inputs format (format guix-package-input))
(native-inputs format (format guix-package-native-input))
(propagated-inputs format (format guix-package-propagated-input)))
(installed
(path guix-package-info-insert-output-path
guix-info-insert-title-simple)
(dependencies guix-package-info-insert-output-dependencies
guix-info-insert-title-simple))
(path simple (indent guix-file))
(dependencies simple (indent guix-file)))
(output
(name guix-package-info-name)
(version guix-output-info-insert-version)
(output guix-output-info-insert-output)
(source guix-package-info-insert-source
guix-info-insert-title-simple)
(path guix-package-info-insert-output-path
guix-info-insert-title-simple)
(dependencies guix-package-info-insert-output-dependencies
guix-info-insert-title-simple)
(license guix-package-info-license)
(synopsis guix-package-info-synopsis)
(description guix-package-info-insert-description
guix-info-insert-title-simple)
(home-url guix-info-insert-url)
(inputs guix-package-info-insert-inputs)
(native-inputs guix-package-info-insert-native-inputs)
(propagated-inputs guix-package-info-insert-propagated-inputs)
(location guix-package-info-insert-location))
(name format (format guix-package-info-name))
(version format guix-output-info-insert-version)
(output format guix-output-info-insert-output)
(synopsis simple (indent guix-package-info-synopsis))
(source simple guix-package-info-insert-source)
(path simple (indent guix-file))
(dependencies simple (indent guix-file))
(location format (format guix-package-location))
(home-url format (format guix-url))
(license format (format guix-package-info-license))
(inputs format (format guix-package-input))
(native-inputs format (format guix-package-native-input))
(propagated-inputs format (format guix-package-propagated-input))
(description simple (indent guix-package-info-description)))
(generation
(number guix-generation-info-insert-number)
(current guix-generation-info-insert-current)
(path guix-info-insert-file-path)
(time guix-info-insert-time)))
(number format guix-generation-info-insert-number)
(prev-number format (format))
(current format guix-generation-info-insert-current)
(path simple (indent guix-file))
(time format (time))))
"Methods for inserting parameter values.
Each element of the list should have a form:
(ENTRY-TYPE . ((PARAM INSERT-VALUE [INSERT-TITLE]) ...))
(ENTRY-TYPE . (METHOD ...))
INSERT-VALUE may be either nil, a face name or a function. If it
is nil or a face, `guix-info-insert-val-default' function is
called with parameter value and INSERT-VALUE as arguments. If it
is a function, this function is called with parameter value and
entry info (alist of parameters and their values) as arguments.
Each METHOD should be either a function or should have the
following form:
INSERT-TITLE may be either nil, a face name or a function. If it
is nil or a face, `guix-info-insert-title-default' function is
called with parameter title and INSERT-TITLE as arguments. If it
is a function, this function is called with parameter title as
argument.")
(PARAM INSERT-TITLE INSERT-VALUE)
(defvar guix-info-displayed-params
'((package name version synopsis outputs source location home-url
license inputs native-inputs propagated-inputs description)
(output name version output synopsis source path dependencies location
home-url license inputs native-inputs propagated-inputs
description)
(installed path dependencies)
(generation number prev-number current time path))
"List of displayed entry parameters.
Each element of the list should have a form:
If METHOD is a function, it is called with an entry as argument.
(ENTRY-TYPE . (PARAM ...))
PARAM is a name of entry parameter.
The order of displayed parameters is the same as in this list.")
INSERT-TITLE may be either a symbol or a list. If it is a
symbol, it should be a function or an alias from
`guix-info-title-aliases', in which case it is called with title
as argument. If it is a list, it should have a
form (FUN-OR-ALIAS [ARGS ...]), in which case FUN-OR-ALIAS is
called with title and ARGS as arguments.
(defun guix-info-insert-methods (entry-type param)
"Return list of insert methods for parameter PARAM of ENTRY-TYPE.
See `guix-info-insert-methods' for details."
(guix-assq-value guix-info-insert-methods
entry-type param))
INSERT-VALUE may be either a symbol or a list. If it is a
symbol, it should be a function or an alias from
`guix-info-value-aliases', in which case it is called with value
and entry as arguments. If it is a list, it should have a
form (FUN-OR-ALIAS [ARGS ...]), in which case FUN-OR-ALIAS is
called with value and ARGS as arguments.
Parameters are inserted in the same order as defined by this list.
After calling each METHOD, a new line is inserted.")
(defun guix-info-param-title (entry-type param)
"Return a title of an ENTRY-TYPE parameter PARAM."
(guix-get-param-title entry-type param))
(defun guix-info-format (entry-type)
"Return 'info' format for ENTRY-TYPE."
(guix-assq-value guix-info-format entry-type))
(defun guix-info-displayed-params (entry-type)
"Return parameters of ENTRY-TYPE that should be displayed."
(guix-assq-value guix-info-displayed-params
entry-type))
"Return a list of ENTRY-TYPE parameters that should be displayed."
(delq nil
(mapcar (lambda (spec)
(pcase spec
(`(,param . ,_) param)))
(guix-info-format entry-type))))
;;; Inserting entries
(defvar guix-info-title-aliases
'((format . guix-info-insert-title-format)
(simple . guix-info-insert-title-simple))
"Alist of aliases and functions to insert titles.")
(defvar guix-info-value-aliases
'((format . guix-info-insert-value-format)
(indent . guix-info-insert-value-indent)
(simple . guix-info-insert-value-simple)
(time . guix-info-insert-time))
"Alist of aliases and functions to insert values.")
(defun guix-info-title-function (fun-or-alias)
"Convert FUN-OR-ALIAS into a function to insert a title."
(or (guix-assq-value guix-info-title-aliases fun-or-alias)
fun-or-alias))
(defun guix-info-value-function (fun-or-alias)
"Convert FUN-OR-ALIAS into a function to insert a value."
(or (guix-assq-value guix-info-value-aliases fun-or-alias)
fun-or-alias))
(defun guix-info-title-method->function (method)
"Convert title METHOD into a function to insert a title."
(pcase method
((pred null) #'ignore)
((pred symbolp) (guix-info-title-function method))
(`(,fun-or-alias . ,rest-args)
(lambda (title)
(apply (guix-info-title-function fun-or-alias)
title rest-args)))
(_ (error "Unknown title method '%S'" method))))
(defun guix-info-value-method->function (method)
"Convert value METHOD into a function to insert a value."
(pcase method
((pred null) #'ignore)
((pred functionp) method)
(`(,fun-or-alias . ,rest-args)
(lambda (value _)
(apply (guix-info-value-function fun-or-alias)
value rest-args)))
(_ (error "Unknown value method '%S'" method))))
(defun guix-info-fill-column ()
"Return fill column for the current window."
(min (window-width) fill-column))
(defun guix-info-get-indent (&optional level)
"Return `guix-info-indent' \"multiplied\" by LEVEL spaces.
@ -215,115 +268,122 @@ ENTRIES should have a form of `guix-entries'."
entries
guix-info-delimiter))
(defun guix-info-insert-entry-default (entry entry-type
&optional indent-level)
"Insert ENTRY of ENTRY-TYPE into the current info buffer.
If INDENT-LEVEL is non-nil, indent displayed information by this
number of `guix-info-indent' spaces."
(guix-with-indent (* (or indent-level 0)
guix-info-indent)
(mapc (lambda (param)
(guix-info-insert-param param entry entry-type))
(guix-info-displayed-params entry-type))))
(defun guix-info-insert-entry (entry entry-type &optional indent-level)
"Insert ENTRY of ENTRY-TYPE into the current info buffer.
Use `guix-info-insert-ENTRY-TYPE-function' or
`guix-info-insert-entry-default' if it is nil."
(let* ((var (intern (concat "guix-info-insert-"
(symbol-name entry-type)
"-function")))
(fun (symbol-value var)))
(if (functionp fun)
(funcall fun entry)
(guix-info-insert-entry-default entry entry-type indent-level))))
If INDENT-LEVEL is non-nil, indent displayed data by this number
of `guix-info-indent' spaces."
(guix-with-indent (* (or indent-level 0)
guix-info-indent)
(dolist (spec (guix-info-format entry-type))
(guix-info-insert-entry-unit spec entry entry-type))))
(defun guix-info-insert-param (param entry entry-type)
(defun guix-info-insert-entry-unit (format-spec entry entry-type)
"Insert title and value of a PARAM at point.
ENTRY is alist with parameters and their values.
ENTRY-TYPE is a type of ENTRY."
(let ((val (guix-entry-value entry param)))
(unless (and guix-info-ignore-empty-vals (null val))
(let* ((title (guix-get-param-title entry-type param))
(insert-methods (guix-info-insert-methods entry-type param))
(val-method (car insert-methods))
(title-method (cadr insert-methods)))
(guix-info-method-funcall title title-method
#'guix-info-insert-title-default)
(guix-info-method-funcall val val-method
#'guix-info-insert-val-default
entry)
(insert "\n")))))
(defun guix-info-method-funcall (val method default-fun &rest args)
"Call METHOD or DEFAULT-FUN.
If METHOD is a function and VAL is non-nil, call this
function by applying it to VAL and ARGS.
If METHOD is a face, propertize inserted VAL with this face."
(cond ((or (null method)
(facep method))
(funcall default-fun val method))
((functionp method)
(apply method val args))
(t (error "Unknown method '%S'" method))))
(defun guix-info-insert-title-default (title &optional face format)
"Insert TITLE formatted with `guix-info-param-title-format' at point."
(guix-format-insert title
(or face 'guix-info-param-title)
(or format guix-info-param-title-format)))
(pcase format-spec
((pred functionp)
(funcall format-spec entry)
(insert "\n"))
(`(,param ,title-method ,value-method)
(let ((value (guix-entry-value entry param)))
(unless (and guix-info-ignore-empty-values (null value))
(let ((title (guix-info-param-title entry-type param))
(insert-title (guix-info-title-method->function title-method))
(insert-value (guix-info-value-method->function value-method)))
(funcall insert-title title)
(funcall insert-value value entry)
(insert "\n")))))
(_ (error "Unknown format specification '%S'" format-spec))))
(defun guix-info-insert-title-simple (title &optional face)
"Insert TITLE at point."
(guix-info-insert-title-default title face "%s:"))
"Insert \"TITLE: \" string at point.
If FACE is nil, use `guix-info-param-title'."
(guix-format-insert title
(or face 'guix-info-param-title)
"%s: "))
(defun guix-info-insert-val-default (val &optional face)
"Format and insert parameter value VAL at point.
(defun guix-info-insert-title-format (title &optional face)
"Insert TITLE using `guix-info-param-title-format' at point.
If FACE is nil, use `guix-info-param-title'."
(guix-format-insert title
(or face 'guix-info-param-title)
guix-info-param-title-format))
This function is intended to be called after
`guix-info-insert-title-default'.
(defun guix-info-insert-value-simple (value &optional button-or-face indent)
"Format and insert parameter VALUE at point.
If VAL is a one-line string longer than `guix-info-fill-column',
split it into several short lines. See also
`guix-info-multiline-prefix'.
VALUE may be split into several short lines to fit the current
window, depending on `guix-info-fill', and each line is indented
with INDENT number of spaces.
If FACE is non-nil, propertize inserted line(s) with this FACE."
(guix-split-insert val face
guix-info-fill-column
(concat "\n" guix-info-multiline-prefix)))
If BUTTON-OR-FACE is a button type symbol, transform VALUE into
this (these) button(s) and insert each one on a new line. If it
is a face symbol, propertize inserted line(s) with this face."
(or indent (setq indent 0))
(guix-with-indent indent
(let* ((button? (guix-button-type? button-or-face))
(face (unless button? button-or-face))
(fill-col (unless (or button?
(and (stringp value)
(not guix-info-fill)))
(- (guix-info-fill-column) indent)))
(value (if (and value button?)
(guix-buttonize value button-or-face "\n")
value)))
(guix-split-insert value face fill-col "\n"))))
(defun guix-info-insert-val-simple (val &optional face-or-fun)
"Format and insert parameter value VAL at point.
(defun guix-info-insert-value-indent (value &optional button-or-face)
"Format and insert parameter VALUE at point.
This function is intended to be called after
`guix-info-insert-title-simple'.
This function is intended to be called after inserting a title
with `guix-info-insert-title-simple'.
If VAL is a one-line string longer than `guix-info-fill-column',
split it into several short lines and indent each line with
`guix-info-indent' spaces.
VALUE may be split into several short lines to fit the current
window, depending on `guix-info-fill', and each line is indented
with `guix-info-indent'.
If FACE-OR-FUN is a face, propertize inserted line(s) with this FACE.
For the meaning of BUTTON-OR-FACE, see `guix-info-insert-value-simple'."
(when value (insert "\n"))
(guix-info-insert-value-simple value button-or-face guix-info-indent))
If FACE-OR-FUN is a function, call it with VAL as argument. If
VAL is a list, call the function on each element of this list."
(if (null val)
(progn (guix-info-insert-indent)
(guix-format-insert nil))
(let ((prefix (concat "\n" (guix-info-get-indent))))
(insert prefix)
(if (functionp face-or-fun)
(guix-mapinsert face-or-fun
(if (listp val) val (list val))
prefix)
(guix-split-insert val face-or-fun
guix-info-fill-column prefix)))))
(defun guix-info-insert-value-format (value &optional button-or-face
&rest button-properties)
"Format and insert parameter VALUE at point.
(defun guix-info-insert-time (seconds &optional _)
This function is intended to be called after inserting a title
with `guix-info-insert-title-format'.
VALUE may be split into several short lines to fit the current
window, depending on `guix-info-fill' and
`guix-info-multiline-prefix'. If VALUE is a list, its elements
will be separated with `guix-list-separator'.
If BUTTON-OR-FACE is a button type symbol, transform VALUE into
this (these) button(s). If it is a face symbol, propertize
inserted line(s) with this face.
BUTTON-PROPERTIES are passed to `guix-buttonize' (only if
BUTTON-OR-FACE is a button type)."
(let* ((button? (guix-button-type? button-or-face))
(face (unless button? button-or-face))
(fill-col (when (or button?
guix-info-fill
(not (stringp value)))
(- (guix-info-fill-column)
(length guix-info-multiline-prefix))))
(value (if (and value button?)
(apply #'guix-buttonize
value button-or-face guix-list-separator
button-properties)
value)))
(guix-split-insert value face fill-col
(concat "\n" guix-info-multiline-prefix))))
(defun guix-info-insert-time (seconds &optional face)
"Insert formatted time string using SECONDS at point."
(guix-info-insert-val-default (guix-get-time-string seconds)
'guix-info-time))
(guix-format-insert (guix-get-time-string seconds)
(or face 'guix-info-time)))
;;; Buttons
@ -394,14 +454,6 @@ See `insert-text-button' for the meaning of PROPERTIES."
'help-echo message
properties))
(defun guix-info-insert-file-path (path &optional _)
"Make button from file PATH and insert it at point."
(guix-insert-button path 'guix-file))
(defun guix-info-insert-url (url &optional _)
"Make button from URL and insert it at point."
(guix-insert-button url 'guix-url))
(defvar guix-info-mode-map
(let ((map (make-sparse-keymap)))
@ -418,7 +470,7 @@ See `insert-text-button' for the meaning of PROPERTIES."
;;; Displaying packages
(guix-define-buffer-type info package
:required (id installed non-unique))
:required (id name version installed non-unique))
(defface guix-package-info-heading
'((t :inherit guix-info-heading))
@ -483,57 +535,11 @@ See `insert-text-button' for the meaning of PROPERTIES."
"Face used if a package is obsolete."
:group 'guix-package-info-faces)
(defvar guix-info-insert-package-function
#'guix-package-info-insert-with-heading
"Function used to insert a package information.
It is called with a single argument - alist of package parameters.
If nil, insert package in a default way.")
(defvar guix-package-info-heading-params '(synopsis description)
"List of parameters displayed in a heading along with name and version.")
(defcustom guix-package-info-fill-heading t
"If nil, insert heading parameters in a raw form, without
filling them to fit the window."
:type 'boolean
:group 'guix-package-info)
(defun guix-package-info-insert-heading (entry)
"Insert the heading for package ENTRY.
Show package name, version, and `guix-package-info-heading-params'."
"Insert package ENTRY heading (name specification) at point."
(guix-format-insert (concat (guix-entry-value entry 'name) " "
(guix-entry-value entry 'version))
'guix-package-info-heading)
(insert "\n\n")
(mapc (lambda (param)
(let ((val (guix-entry-value entry param))
(face (guix-get-symbol (symbol-name param)
'info 'package)))
(when val
(let* ((col (min (window-width) fill-column))
(val (if guix-package-info-fill-heading
(guix-get-filled-string val col)
val)))
(guix-format-insert val (and (facep face) face))
(insert "\n\n")))))
guix-package-info-heading-params))
(defun guix-package-info-insert-with-heading (entry)
"Insert package ENTRY with its heading at point."
(guix-package-info-insert-heading entry)
(mapc (lambda (param)
(unless (or (memq param '(name version))
(memq param guix-package-info-heading-params))
(guix-info-insert-param param entry 'package)))
(guix-info-displayed-params 'package)))
(defun guix-package-info-insert-description (desc &optional _)
"Insert description DESC at point."
(guix-info-insert-val-simple desc 'guix-package-info-description))
(defun guix-package-info-insert-location (location &optional _)
"Make button from file LOCATION and insert it at point."
(guix-insert-button location 'guix-package-location))
'guix-package-info-heading))
(defmacro guix-package-info-define-insert-inputs (&optional type)
"Define a face and a function for inserting package inputs.
@ -544,8 +550,7 @@ Face name is `guix-package-info-TYPE-inputs'."
(type-name (and type (concat type-str "-")))
(type-desc (and type (concat type-str " ")))
(face (intern (concat "guix-package-info-" type-name "inputs")))
(btn (intern (concat "guix-package-" type-name "input")))
(fun (intern (concat "guix-package-info-insert-" type-name "inputs"))))
(btn (intern (concat "guix-package-" type-name "input"))))
`(progn
(defface ,face
'((t :inherit guix-package-info-name-button))
@ -554,29 +559,12 @@ Face name is `guix-package-info-TYPE-inputs'."
(define-button-type ',btn
:supertype 'guix-package-name
'face ',face)
(defun ,fun (inputs &optional _)
,(concat "Make buttons from " type-desc "INPUTS and insert them at point.")
(guix-package-info-insert-full-names inputs ',btn)))))
'face ',face))))
(guix-package-info-define-insert-inputs)
(guix-package-info-define-insert-inputs native)
(guix-package-info-define-insert-inputs propagated)
(defun guix-package-info-insert-full-names (names button-type)
"Make BUTTON-TYPE buttons from package NAMES and insert them at point.
NAMES is a list of strings."
(if names
(guix-info-insert-val-default
(with-temp-buffer
(guix-mapinsert (lambda (name)
(guix-insert-button name button-type))
names
guix-list-separator)
(buffer-substring (point-min) (point-max))))
(guix-format-insert nil)))
;;; Inserting outputs and installed parameters
@ -588,12 +576,6 @@ formatted with this string, an action button is inserted.")
(defvar guix-package-info-obsolete-string "(This package is obsolete)"
"String used if a package is obsolete.")
(defvar guix-info-insert-installed-function nil
"Function used to insert an installed information.
It is called with a single argument - alist of installed
parameters (`output', `path', `dependencies').
If nil, insert installed info in a default way.")
(defun guix-package-info-insert-outputs (outputs entry)
"Insert OUTPUTS from package ENTRY at point."
(and (guix-entry-value entry 'obsolete)
@ -668,13 +650,6 @@ ENTRY is an alist with package info."
(guix-entry-id entry))
'output output)))
(defun guix-package-info-insert-output-path (path &optional _)
"Insert PATH of the installed output."
(guix-info-insert-val-simple path #'guix-info-insert-file-path))
(defalias 'guix-package-info-insert-output-dependencies
'guix-package-info-insert-output-path)
;;; Inserting a source
@ -711,10 +686,6 @@ prompt depending on `guix-operation-confirm' variable)."
;; no action is bound to a source button.
(message "Yes, this is the source URL. What did you expect?")))
(defun guix-package-info-insert-source-url (url &optional _)
"Make button from source URL and insert it at point."
(guix-insert-button url 'guix-package-source))
(defun guix-package-info-show-source (entry-id package-id)
"Show file name of a package source in the current info buffer.
Find the file if needed (see `guix-package-info-auto-find-source').
@ -746,7 +717,6 @@ PACKAGE-ID is an ID of the package which source to show."
(defun guix-package-info-insert-source (source entry)
"Insert SOURCE from package ENTRY at point.
SOURCE is a list of URLs."
(guix-info-insert-indent)
(if (null source)
(guix-format-insert nil)
(let* ((source-file (guix-entry-value entry 'source-file))
@ -759,7 +729,7 @@ SOURCE is a list of URLs."
(lambda (btn)
(guix-package-info-show-source (button-get btn 'entry-id)
(button-get btn 'package-id)))
"Show the source store path of the current package"
"Show the source store directory of the current package"
'entry-id entry-id
'package-id package-id)
(unless (file-exists-p source-file)
@ -770,10 +740,8 @@ SOURCE is a list of URLs."
(button-get btn 'package-id)))
"Download the source into the store"
'package-id package-id))
(guix-info-insert-val-simple source-file
#'guix-info-insert-file-path))
(guix-info-insert-val-simple source
#'guix-package-info-insert-source-url))))
(guix-info-insert-value-indent source-file 'guix-file))
(guix-info-insert-value-indent source 'guix-package-source))))
(defun guix-package-info-redisplay-after-download ()
"Redisplay an 'info' buffer after downloading the package source.
@ -788,19 +756,14 @@ This function is used to hide a \"Download\" button if needed."
;;; Displaying outputs
(guix-define-buffer-type info output
(guix-ui-info-define-interface output
:buffer-name "*Guix Package Info*"
:required (id package-id installed non-unique))
(defvar guix-info-insert-output-function nil
"Function used to insert an output information.
It is called with a single argument - alist of output parameters.
If nil, insert output in a default way.")
(defun guix-output-info-insert-version (version entry)
"Insert output VERSION and obsolete text if needed at point."
(guix-info-insert-val-default version
'guix-package-info-version)
(guix-info-insert-value-format version
'guix-package-info-version)
(and (guix-entry-value entry 'obsolete)
(guix-package-info-insert-obsolete-text)))
@ -809,7 +772,7 @@ If nil, insert output in a default way.")
(let* ((installed (guix-entry-value entry 'installed))
(obsolete (guix-entry-value entry 'obsolete))
(action-type (if installed 'delete 'install)))
(guix-info-insert-val-default
(guix-info-insert-value-format
output
(if installed
'guix-package-info-installed-outputs
@ -840,14 +803,9 @@ If nil, insert output in a default way.")
"Face used if a generation is not the current one."
:group 'guix-generation-info-faces)
(defvar guix-info-insert-generation-function nil
"Function used to insert a generation information.
It is called with a single argument - alist of generation parameters.
If nil, insert generation in a default way.")
(defun guix-generation-info-insert-number (number &optional _)
"Insert generation NUMBER and action buttons."
(guix-info-insert-val-default number 'guix-generation-info-number)
(guix-info-insert-value-format number 'guix-generation-info-number)
(guix-info-insert-indent)
(guix-info-insert-action-button
"Packages"
@ -868,8 +826,8 @@ If nil, insert generation in a default way.")
(defun guix-generation-info-insert-current (val entry)
"Insert boolean value VAL showing whether this generation is current."
(if val
(guix-info-insert-val-default "Yes" 'guix-generation-info-current)
(guix-info-insert-val-default "No" 'guix-generation-info-not-current)
(guix-info-insert-value-format "Yes" 'guix-generation-info-current)
(guix-info-insert-value-format "No" 'guix-generation-info-not-current)
(guix-info-insert-indent)
(guix-info-insert-action-button
"Switch"

View file

@ -104,6 +104,28 @@ See `insert-text-button' for the meaning of PROPERTIES."
:type (or type 'button)
properties)))
(defun guix-buttonize (value button-type separator &rest properties)
"Make BUTTON-TYPE button(s) from VALUE.
Return a string with button(s).
VALUE should be a string or a list of strings. If it is a list
of strings, buttons are separated with SEPARATOR string.
PROPERTIES are passed to `guix-insert-button'."
(with-temp-buffer
(let ((labels (if (listp value) value (list value))))
(guix-mapinsert (lambda (label)
(apply #'guix-insert-button
label button-type properties))
labels
separator))
(buffer-substring (point-min) (point-max))))
(defun guix-button-type? (symbol)
"Return non-nil, if SYMBOL is a button type."
(and symbol
(get symbol 'button-category-symbol)))
(defun guix-split-insert (val &optional face col separator)
"Convert VAL into a string, split it and insert at point.
@ -122,14 +144,11 @@ Separate inserted lines with SEPARATOR."
(defun guix-split-string (str &optional col)
"Split string STR by lines and return list of result strings.
If COL is non-nil and STR is a one-line string longer than COL,
split it into several short lines."
(let ((strings (split-string str "\n *")))
(if (and col
(null (cdr strings)) ; if not multi-line
(> (length str) col))
(split-string (guix-get-filled-string str col) "\n")
strings)))
If COL is non-nil, fill STR to this column."
(let ((str (if col
(guix-get-filled-string str col)
str)))
(split-string str "\n *" t)))
(defun guix-get-filled-string (str col)
"Return string by filling STR to column COL."