/usr/share/emacs/site-lisp/w3m/w3m-form.el is in w3m-el-snapshot 1.4.569+0.20170110-1.
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2022 2023 2024 2025 2026 2027 2028 | ;;; w3m-form.el --- Stuffs to handle <form> tag
;; Copyright (C) 2001-2014 TSUCHIYA Masatoshi <tsuchiya@namazu.org>
;; Authors: TSUCHIYA Masatoshi <tsuchiya@namazu.org>,
;; Yuuichi Teranishi <teranisi@gohome.org>,
;; Hideyuki SHIRAI <shirai@meadowy.org>,
;; Shun-ichi GOTO <gotoh@taiyo.co.jp>,
;; Akihiro Arisawa <ari@mbf.sphere.ne.jp>
;; Keywords: w3m, WWW, hypermedia
;; This file is a part of emacs-w3m.
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; This file contains the stuffs to handle <form> tag on emacs-w3m.
;; For more detail about emacs-w3m, see:
;;
;; http://emacs-w3m.namazu.org/
;;; Code:
(eval-when-compile
(require 'cl))
(require 'w3m-util)
(require 'w3m)
(eval-when-compile
(defvar w3m-current-forms))
(defcustom w3m-form-use-fancy-faces t
"*Use fancy faces to fontify <form> tags."
:group 'w3m
:type 'boolean)
(defcustom w3m-form-treat-textarea-size t
"*Non-nil means to process textarea size (treat textarea rows)."
:group 'w3m
:type 'boolean)
(defcustom w3m-form-use-textarea-backup t
"*Non-nil means save and restore text that you wrote last in the textarea.
Files to save text are stored in the directory specified by the
`w3m-form-textarea-directory' variable."
:group 'w3m
:type 'boolean)
(defcustom w3m-form-textarea-file-expire-date 3
"*Date to expire of the file for textarea's backup."
:group 'w3m
:type '(choice (integer :tag "Expire date")
(const :tag "Remove when emacs-w3m exit" t)
(const :tag "No expire" nil)))
(defcustom w3m-form-textarea-file-coding-system
(cond ((or (featurep 'un-define)
(fboundp 'utf-translate-cjk-mode))
'utf-8)
((equal "Japanese" w3m-language)
'iso-2022-7bit-ss2)
((w3m-find-coding-system 'utf-8)
'utf-8)
(t
'iso-2022-7bit-ss2))
"Coding system for textarea's backup file."
:group 'w3m
:type '(coding-system :size 0))
(defcustom w3m-form-textarea-directory
(expand-file-name ".textarea" w3m-profile-directory)
"*Name of the directory to save the file of textarea input."
:group 'w3m
:type '(directory :size 0))
(defcustom w3m-form-textarea-edit-mode 'text-mode
"*Major mode to edit textarea."
:group 'w3m
:type '(choice
(function :tag "Major mode")
(repeat
:tag "Rules to select major modes for the current page"
(cons (choice (regexp :tag "Regexp matches the current page")
(function :tag "Predicate checks the current page")
(sexp :tag "Expression checks the current page"))
(function :tag "Major mode")))))
(defface w3m-form
'((((class color) (background light)) (:foreground "cyan" :underline t))
(((class color) (background dark)) (:foreground "red" :underline t))
(t (:underline t)))
"*Face to fontify forms."
:group 'w3m-face)
;; backward-compatibility alias
(put 'w3m-form-face 'face-alias 'w3m-form)
(defface w3m-form-inactive
;; A copy of the `shadow' face, plus `underline'.
'((((class color grayscale) (min-colors 88) (background light))
(:foreground "grey50" :underline t))
(((class color grayscale) (min-colors 88) (background dark))
(:foreground "grey70" :underline t))
(((class color) (min-colors 8) (background light))
(:foreground "green" :underline t))
(((class color) (min-colors 8) (background dark))
(:foreground "yellow" :underline t)))
"Face used to dim inactive forms."
:group 'w3m-face)
;;; Local variables
(defvar w3m-form-input-textarea-buffer nil)
(defvar w3m-form-input-textarea-form nil)
(defvar w3m-form-input-textarea-hseq nil)
(defvar w3m-form-input-textarea-point nil)
(defvar w3m-form-input-textarea-wincfg nil)
(defvar w3m-form-input-textarea-file nil)
(defvar w3m-form-input-textarea-coding-system nil)
(defvar w3m-form-use-textarea-backup-p nil)
(make-variable-buffer-local 'w3m-form-input-textarea-buffer)
(make-variable-buffer-local 'w3m-form-input-textarea-form)
(make-variable-buffer-local 'w3m-form-input-textarea-hseq)
(make-variable-buffer-local 'w3m-form-input-textarea-point)
(make-variable-buffer-local 'w3m-form-input-textarea-wincfg)
(make-variable-buffer-local 'w3m-form-input-textarea-file)
(make-variable-buffer-local 'w3m-form-input-textarea-coding-system)
(make-variable-buffer-local 'w3m-form-use-textarea-backup-p)
(defvar w3m-form-textarea-files nil)
(make-variable-buffer-local 'w3m-form-textarea-files)
(defvar w3m-form-textarea-post-files nil)
(make-variable-buffer-local 'w3m-form-textarea-post-files)
(defvar w3m-form-input-textarea-mode nil
"Non-nil if w3m textarea minor mode is enabled.")
(make-variable-buffer-local 'w3m-form-input-textarea-mode)
(defvar w3m-form-input-select-buffer nil)
(defvar w3m-form-input-select-form nil)
(defvar w3m-form-input-select-name nil)
(defvar w3m-form-input-select-id nil)
(defvar w3m-form-input-select-point nil)
(defvar w3m-form-input-select-candidates nil)
(defvar w3m-form-input-select-wincfg nil)
(defvar w3m-form-input-select-urlid nil)
(make-variable-buffer-local 'w3m-form-input-select-buffer)
(make-variable-buffer-local 'w3m-form-input-select-form)
(make-variable-buffer-local 'w3m-form-input-select-name)
(make-variable-buffer-local 'w3m-form-input-select-id)
(make-variable-buffer-local 'w3m-form-input-select-point)
(make-variable-buffer-local 'w3m-form-input-select-candidates)
(make-variable-buffer-local 'w3m-form-input-select-wincfg)
(make-variable-buffer-local 'w3m-form-input-select-urlid)
(defvar w3m-form-input-map-buffer nil)
(defvar w3m-form-input-map-wincfg nil)
(defvar w3m-form-input-map-point nil)
(defvar w3m-form-input-map-urlname nil)
(make-variable-buffer-local 'w3m-form-input-map-buffer)
(make-variable-buffer-local 'w3m-form-input-map-wincfg)
(make-variable-buffer-local 'w3m-form-input-map-point)
(make-variable-buffer-local 'w3m-form-input-map-urlname)
(defvar w3m-form-new-session nil
"Specify non-nil value to create a new session after sending form.
It is useful to bind this variable with `let', but do not set it globally.")
(defvar w3m-form-download nil
"Specify non-nil value to download contents after sending form.
It is useful to bind this variable with `let', but do not set it globally.")
;;; w3m-form structure:
(defun w3m-form-normalize-action (action url)
"Normalize the ACTION using URL as a current URL."
;; "!CURRENT_URL!" is magic string of w3m.
(if (and action (not (string= action "!CURRENT_URL!")))
(w3m-expand-url action url)
(when url
(w3m-string-match-url-components url)
(substring url 0 (or (match-beginning 6)
(match-beginning 8))))))
(defun w3m-form-new (method action &optional baseurl charlst enctype)
"Return new form object."
(vector 'w3m-form-object
(if (stringp method)
(intern method)
method)
action
charlst
(or enctype 'application/x-www-form-urlencoded)
nil))
(defun w3m-form-p (obj)
"Return t if OBJ is a form object."
(and (vectorp obj)
(symbolp (aref 0 obj))
(eq (aref 0 obj) 'w3m-form-object)))
(defun w3m-form-set-method (form method)
(aset form 1 (if (stringp method)
(intern method)
method)))
(defsetf w3m-form-method w3m-form-set-method)
(defmacro w3m-form-method (form)
`(aref ,form 1))
(defmacro w3m-form-action (form)
`(aref ,form 2))
(defmacro w3m-form-charlst (form)
`(aref ,form 3))
(defmacro w3m-form-enctype (form)
`(aref ,form 4))
(defmacro w3m-form-plist (form)
`(aref ,form 5))
(defun w3m-form-put-property (form name property value)
(aset form 5
(plist-put (w3m-form-plist form)
(setq name (if (stringp name) (intern name) name))
(plist-put (plist-get (w3m-form-plist form) name)
property value)))
value)
(defmacro w3m-form-get-property (form name property)
`(plist-get (plist-get (w3m-form-plist ,form)
(if (stringp ,name)
(intern ,name)
,name))
,property))
(defmacro w3m-form-put (form id name value)
`(w3m-form-put-property ,form ,id :value (cons ,name ,value)))
(defmacro w3m-form-get (form id)
`(cdr (w3m-form-get-property ,form ,id :value)))
(defun w3m-form-get-by-name (form id name)
(let ((plist (w3m-form-plist form))
pair value)
(while plist
(when (eq id (car plist))
(setq pair (plist-get (cadr plist) :value))
(when (and pair
(string= (car pair) name))
(setq value (cdr pair)
plist nil)))
(setq plist (cddr plist)))
value))
(defun w3m-form-put-by-name (form id name value)
(let ((plist (w3m-form-plist form))
pair found)
(while plist
(setq pair (plist-get (cadr plist) :value))
(when (and pair
(string= (car pair) name))
(setcar plist id)
(setcdr pair value)
(setq found t
plist nil))
(setq plist (cddr plist)))
(unless found
(w3m-form-put form id name value))))
(defun w3m-form-goto-next-field ()
"Move to next form field and return the point.
If no field in forward, return nil without moving."
(let* ((id (get-text-property (point) 'w3m-form-field-id))
(beg (if id
(next-single-property-change (point) 'w3m-form-field-id)
(point)))
(next (next-single-property-change beg 'w3m-form-field-id)))
(if next
(goto-char next)
nil)))
(defun w3m-form-get-coding-system (coding)
(or (catch 'det
(while coding
(if (w3m-charset-to-coding-system (car coding))
(throw 'det (w3m-charset-to-coding-system (car coding)))
(setq coding (cdr coding)))))
w3m-current-coding-system
(w3m-charset-to-coding-system
(w3m-content-charset w3m-current-url))
w3m-default-coding-system))
(defun w3m-form-make-form-data (form)
(let ((plist (w3m-form-plist form))
(coding (w3m-form-charlst form))
buf bufs)
(setq coding (w3m-form-get-coding-system coding))
(while plist
(let* ((number (car plist))
(pair (plist-get (cadr plist) :value))
(name (car pair))
(value (cdr pair)))
(cond
((and (consp value)
(eq (car value) 'file))
(setq bufs (cons (cons number (cons name value)) bufs)))
((and (consp value)
(consp (cdr value))
(consp (cadr value))) ; select.
(setq bufs (cons (cons number (cons name (car value))) bufs)))
((consp value) ; checkbox
(setq bufs (append (mapcar (lambda (x) (cons number (cons name x))) value)
bufs)))
(value
(setq bufs (cons (cons number (cons name value)) bufs))))
(setq plist (cddr plist))))
(when bufs
(setq bufs (sort bufs #'car-less-than-car))
(if (eq (w3m-form-enctype form) 'multipart/form-data)
(let ((boundary (apply 'format "--_%d_%d_%d" (current-time)))
file type)
;; (setq buf (nreverse buf))
(cons
(concat "multipart/form-data; boundary=" boundary)
(with-temp-buffer
(set-buffer-multibyte nil)
(while (setq buf (cdr (car bufs)))
(if (and (consp (cdr buf))
(eq (car (cdr buf)) 'file))
(progn
(setq file (expand-file-name (cdr (cdr buf))))
(if (string= (setq type (w3m-local-content-type file))
"unknown")
(setq type "application/octet-stream"))
(insert "--" boundary "\r\n"
"Content-Disposition: form-data; name=\""
(car buf)
"\"; filename=\"" file "\"\r\n"
"Content-Type: " type "\r\n"
"Content-Transfer-Encoding: binary\r\n\r\n")
(when (file-exists-p file)
(insert-file-contents-literally file)
(goto-char (point-max)))
(insert "\r\n"))
(insert "--" boundary "\r\n"
"Content-Disposition: form-data; name=\""
(car buf)
"\"\r\n\r\n"
(if (cdr buf)
(encode-coding-string (cdr buf) coding)
"")
"\r\n"))
(setq bufs (cdr bufs)))
(insert "--" boundary "--\r\n")
(buffer-string))))
(mapconcat (lambda (elem)
(setq elem (cdr elem))
(format "%s=%s"
(w3m-url-encode-string (car elem) coding t)
(w3m-url-encode-string (if (stringp (cdr elem))
(cdr elem)
"")
coding
t)))
bufs "&")))))
(defun w3m-form-resume (forms)
"Resume content of all forms in the current buffer using FORMS."
(when forms
(if (eq (car forms) t)
(setq forms (cdr forms)))
(save-excursion
(goto-char (point-min))
(let (textareas)
(while (w3m-form-goto-next-field)
(let ((fid (get-text-property (point) 'w3m-form-field-id)))
(when (and fid
(string-match "\
fid=\\([^/]+\\)/type=\\([^/]+\\)/name=\\([^/]*\\)/id=\\(.*\\)$"
fid))
(let ((form (nth (string-to-number (match-string 1 fid))
forms))
(cform (nth (string-to-number (match-string 1 fid))
w3m-current-forms))
(type (match-string 2 fid))
(name (match-string 3 fid))
(id (string-to-number (match-string 4 fid))))
(when form
(cond
((or (string= type "submit")
(string= type "image"))
;; Remove status to support forms containing multiple
;; submit buttons.
(w3m-form-put cform id name nil))
((or (string= type "reset")
(string= type "hidden")
;; Do nothing.
))
((string= type "password")
(w3m-form-replace (w3m-form-get form id)
'invisible)
(unless (eq form cform)
(w3m-form-put cform id name (w3m-form-get form id))))
((string= type "radio")
(let ((value (w3m-form-get-by-name form id name)))
(when value
(w3m-form-replace
(if (string= value (nth 4 (w3m-action (point))))
"*" " ")))
(unless (eq form cform)
(w3m-form-put-by-name cform id name value))))
((string= type "checkbox")
(let ((value (w3m-form-get form id)))
(when value
(w3m-form-replace
(if (member (nth 4 (w3m-action (point))) value)
"*" " ")))
(unless (eq form cform)
(w3m-form-put cform id name value))))
((string= type "select")
(let ((selects (w3m-form-get form id)))
(when (and (consp selects) (car selects))
(w3m-form-replace (cdr (assoc (car selects)
(cdr selects)))))
(unless (eq form cform)
(w3m-form-put cform id name selects))))
((string= type "textarea")
(let ((hseq (nth 2 (w3m-action (point))))
(value (w3m-form-get form id)))
(when (> hseq 0)
(setq textareas (cons (cons hseq value) textareas)))
(unless (eq form cform)
(w3m-form-put cform id name value))))
((string= type "file")
(let ((value (w3m-form-get form id)))
(when (and value
(consp value))
(w3m-form-replace (cdr value)))
(unless (eq form cform)
(w3m-form-put cform id name value))))
(t
(let ((value (w3m-form-get form id)))
(when (stringp value)
(w3m-form-replace value))
(unless (eq form cform)
(w3m-form-put cform id name value))))))))))
(unless w3m-form-treat-textarea-size
(dolist (textarea textareas)
(when (cdr textarea)
(w3m-form-textarea-replace (car textarea) (cdr textarea)))))))))
;;;###autoload
(defun w3m-fontify-forms ()
"Process half-dumped data and fontify forms in this buffer."
;; If `w3m-current-forms' is resumed from history, reuse it.
(w3m-form-parse-and-fontify
(when (eq t (car w3m-current-forms))
(setq w3m-current-forms (cdr w3m-current-forms)))))
(eval-and-compile
(unless (fboundp 'w3m-form-make-button)
(defun w3m-form-make-button (start end properties &optional readonly)
"Make button on the region from START to END with PROPERTIES."
(w3m-add-text-properties
start end (append (if readonly
'(face w3m-form-inactive w3m-form-readonly t)
'(face w3m-form)
properties))))))
;;; w3mmee
;;
(eval-and-compile
(defalias 'w3m-char-to-int (if (fboundp 'char-to-int)
'char-to-int
'identity))
(defalias 'w3m-string-to-char-list (if (fboundp 'string-to-list)
'string-to-list
(lambda (str)
(mapcar 'identity str))))
(defalias 'w3m-int-to-char (if (fboundp 'int-to-char)
'int-to-char
'identity)))
(defmacro w3m-form-mee-attr-unquote (x)
"Unquote form attribute of w3mmee."
'(let (attr)
(when (eq (car x) ?T)
(setq x (cdr x))
(while (and x (not (eq (w3m-char-to-int (car x)) 0)))
(setq attr (concat attr (char-to-string (car x))))
(setq x (cdr x))))
attr))
(defun w3m-form-mee-new (x)
"Decode form information of w3mmee."
(setq x (w3m-string-to-char-list
(w3m-url-decode-string x w3m-current-coding-system)))
(let (method enctype action charset target name)
(setq method (case (/ (w3m-char-to-int (car x)) 16)
(0 "get")
(1 "post")
(2 "internal")
(3 "head"))
enctype (case (% (w3m-char-to-int (car x)) 16)
(0 'application/x-www-form-urlencoded)
(1 'multipart/form-data)))
(setq x (cdr x))
(setq action (w3m-form-normalize-action (w3m-form-mee-attr-unquote x)
w3m-current-url))
(setq x (cdr x))
(if (member "lang=many" w3m-compile-options)
(setq charset (w3m-form-mee-attr-unquote x))
(setq charset (case (car x)
(?e "euc-jp")
(?s "shift-jis")
(?n "iso-2022-7bit"))))
(setq x (cdr x))
(setq target (w3m-form-mee-attr-unquote x)) ; not used.
(setq x (cdr x))
(setq name (w3m-form-mee-attr-unquote x)) ; not used.
(w3m-form-new method action nil (and charset (list charset)) enctype)))
(defun w3m-form-mee-select-value (value)
"Decode select form information of w3mmee."
(let ((clist (w3m-string-to-char-list
(w3m-url-decode-string value w3m-current-coding-system)))
label val s selected candidates)
(while clist
(setq s (eq (car clist) (w3m-int-to-char 1))
label nil
val nil)
(setq clist (cdr clist))
(while (not (eq (car clist) (w3m-int-to-char 0)))
(setq label (concat label (char-to-string (car clist))))
(setq clist (cdr clist)))
(if label
(setq label (decode-coding-string label w3m-output-coding-system)))
(setq clist (cdr clist))
(while (not (eq (car clist) (w3m-int-to-char 0)))
(setq val (concat val (char-to-string (car clist))))
(setq clist (cdr clist)))
(if val
(setq val (decode-coding-string val w3m-output-coding-system)))
(if s (setq selected val))
(push (cons val label) candidates)
(setq clist (cdr clist)))
(cons selected (nreverse candidates))))
(defun w3m-fontify-textareas ()
"Process and fontify textareas in this buffer."
(when w3m-form-treat-textarea-size
(save-excursion
(goto-char (point-min))
(let ((inhibit-read-only t)
form fid start end type name rows start-column end-column
hseq abs-hseq text id filename readonly)
(while (w3m-form-goto-next-field)
(setq fid (get-text-property (point) 'w3m-form-field-id))
(setq filename (get-text-property (point) 'w3m-form-file-name))
(when
(and
fid
(string-match
"fid=\\([^/]+\\)/type=\\([^/]+\\)/name=\\([^/]*\\)/id=\\(.*\\)$"
fid))
(setq form (nth (string-to-number (match-string 1 fid))
w3m-current-forms)
type (match-string 2 fid)
name (match-string 3 fid)
id (string-to-number (match-string 4 fid)))
(when (string= type "textarea")
(setq rows (get-text-property (point) 'w3m-textarea-rows)
hseq (get-text-property (point) 'w3m-form-hseq)
readonly (get-text-property (point) 'w3m-form-readonly)
abs-hseq (w3m-anchor-sequence))
(setq start-column (- (current-column) 1))
(goto-char (next-single-property-change (point)
'w3m-form-hseq))
(setq end-column (current-column))
(save-excursion
(dotimes (i (- rows 1))
(forward-line -1)
(save-excursion
(move-to-column start-column)
(delete-char 1)
(insert "[")
(setq start (point))
(move-to-column end-column)
(delete-char 1)
(setq end (point))
(insert "]"))
(w3m-add-face-property
start end (if readonly 'w3m-form-inactive 'w3m-form))
(add-text-properties
start end
`(w3m-form-field-id
,(format "fid=%s/type=%s/name=%s/id=%d" fid type name id)
w3m-action (w3m-form-input-textarea ,form ,hseq)
w3m-submit (w3m-form-submit ,form ,id ,name
(w3m-form-get ,form ,id)
w3m-form-new-session
w3m-form-download)
w3m-form-hseq ,hseq
w3m-anchor-sequence ,abs-hseq
w3m-form-id ,id
w3m-form-name ,name
w3m-form-file-name ,filename
w3m-form-readonly ,readonly)))
(when (setq text (w3m-form-get form id))
(w3m-form-textarea-replace hseq text))))))))))
(defun w3m-form-parse-and-fontify (&optional reuse-forms)
"Parse forms of the half-dumped data in this buffer and fontify them.
Result form structure is saved to the local variable `w3m-current-forms'.
If optional REUSE-FORMS is non-nil, reuse it as `w3m-current-form'."
(let ((case-fold-search t)
(id 0)
tag start end internal-start textareas selects forms maps mapval
form filename)
(setq w3m-form-textarea-files nil)
(setq w3m-form-use-textarea-backup-p nil)
(goto-char (point-min))
(while (if (eq w3m-type 'w3mmee)
(w3m-search-tag "_f" "map" "img_alt" "input_alt"
"/input_alt")
(w3m-search-tag "form_int" "map" "img_alt" "input_alt"
"/input_alt"))
(setq tag (downcase (match-string 1)))
(goto-char (match-end 1))
(setq start (match-end 0))
(cond
((string= tag (if (eq w3m-type 'w3mmee) "_f" "form_int"))
(if (eq w3m-type 'w3mmee)
(w3m-parse-attributes (_x)
(setq forms (nconc forms (list (w3m-form-mee-new _x)))))
(w3m-parse-attributes (action (method :case-ignore)
(fid :integer)
(accept-charset :case-ignore)
(enctype :case-ignore)
(charset :case-ignore))
(when action
(setq action (w3m-url-transfer-encode-string
(w3m-decode-anchor-string action)
(if charset
(w3m-charset-to-coding-system charset)))))
(if (setq form (cdr (assq fid forms)))
(progn
(setf (w3m-form-method form) (or method "get"))
(setf (w3m-form-action form)
(w3m-form-normalize-action action w3m-current-url))
(setf (w3m-form-charlst form)
(if accept-charset
(setq accept-charset
(split-string accept-charset ","))))
(setf (w3m-form-enctype form)
(if enctype
(intern enctype)
'application/x-www-form-urlencoded)))
(setq form (w3m-form-new
(or method "get")
(w3m-form-normalize-action
action (or w3m-current-base-url w3m-current-url))
nil
(if accept-charset
(setq accept-charset
(split-string accept-charset ",")))
(if enctype
(intern enctype)
'application/x-www-form-urlencoded)))
(setq forms (cons (cons fid form) forms))))))
((string= tag "map")
(let (candidates)
(w3m-parse-attributes (name)
(while (and (w3m-search-tag "area" "/map")
(not (char-equal
(char-after (match-beginning 1))
?/)))
(goto-char (match-end 1))
(w3m-parse-attributes (href alt)
(when href
(setq candidates (cons (cons href (or alt href))
candidates)))))
(unless maps (setq maps (w3m-form-new "map" ".")))
(when candidates
(w3m-form-put maps
(incf id)
name
(nreverse candidates))))))
((string= tag "img_alt")
(w3m-parse-attributes (usemap)
(w3m-search-tag "/img_alt")
(when (or usemap mapval)
(unless maps (setq maps (w3m-form-new "map" ".")))
(unless usemap (setq usemap mapval))
(when mapval (setq mapval nil))
(w3m-add-face-property start end 'w3m-form)
(add-text-properties
start (match-beginning 0)
`(w3m-action (w3m-form-input-map ,maps ,id ,usemap))))))
((string= tag "/input_alt")
(replace-match ""))
((string= tag "input_alt")
(w3m-parse-attributes ((fid :integer)
(type :case-ignore)
(width :integer)
(maxlength :integer)
(hseq :integer)
(selectnumber :integer) ; select
(textareanumber :integer) ; textarea
(size :integer) ; textarea
(rows :integer) ; textarea
(top_mergin :integer) ; textarea
(checked :bool) ; checkbox, radio
(readonly :bool)
no_effect ; map
name value)
(incf id)
(when value
(setq value (w3m-decode-entities-string value)))
(save-excursion
(search-forward "</input_alt>")
(setq end (match-beginning 0)))
(let ((abs-hseq (or (and (null hseq) 0) (abs hseq)))
(face (if readonly 'w3m-form-inactive 'w3m-form)))
(setq w3m-max-anchor-sequence
(max abs-hseq w3m-max-anchor-sequence))
(if (eq w3m-type 'w3mmee)
(setq form (nth fid forms))
(setq form (cdr (assq fid forms))))
(unless form
(setq forms (cons (cons fid (setq form
(w3m-form-new nil nil)))
forms)))
(cond
((and (string= type "hidden")
(string= name "link"))
(setq mapval value))
((or (string= type "submit")
(string= type "image"))
(unless (string= no_effect "true")
(w3m-form-make-button
start end
`(w3m-form-field-id
,(format "fid=%d/type=%s/name=%s/id=%d" fid type name id)
w3m-action (w3m-form-submit ,form ,id ,name ,value
w3m-form-new-session
w3m-form-download)
w3m-submit (w3m-form-submit ,form ,id ,name
(w3m-form-get ,form ,id)
w3m-form-new-session
w3m-form-download)
w3m-anchor-sequence ,abs-hseq)
readonly)))
((string= type "reset")
(w3m-form-make-button
start end
`(w3m-form-field-id
,(format "fid=%d/type=%s/name=%s/id=%d" fid type name id)
w3m-action (w3m-form-reset ,form)
w3m-anchor-sequence ,abs-hseq)
readonly))
((string= type "textarea")
(if (eq w3m-type 'w3mmee)
(w3m-form-put form id
name
(decode-coding-string
(w3m-url-decode-string
value w3m-current-coding-system)
w3m-output-coding-system))
(setq textareas (cons (list textareanumber form id
name readonly)
textareas)))
(when w3m-current-url
(setq filename (expand-file-name
(w3m-form-input-textarea-filename
w3m-current-url
(format "fid=%d/type=%s/name=%s/id=%d"
fid type name id))
w3m-form-textarea-directory))
(setq w3m-form-textarea-files
(cons filename w3m-form-textarea-files)))
(w3m-add-face-property start end face)
(add-text-properties
start end
`(w3m-form-field-id
,(format "fid=%d/type=%s/name=%s/id=%d" fid type name id)
w3m-action (w3m-form-input-textarea ,form ,hseq)
w3m-submit (w3m-form-submit ,form ,id ,name
(w3m-form-get ,form ,id)
w3m-form-new-session
w3m-form-download)
w3m-textarea-rows ,rows
w3m-form-hseq ,hseq
w3m-anchor-sequence ,abs-hseq
w3m-form-id ,id
w3m-form-name ,name
w3m-form-file-name ,filename
w3m-form-readonly ,readonly)))
((string= type "select")
(when (if (eq w3m-type 'w3mmee)
(when value
(w3m-form-put form id name
(w3m-form-mee-select-value value))
t)
(setq selects (cons (list selectnumber form id name)
selects)))
(w3m-add-face-property start end face)
(add-text-properties
start end
`(w3m-form-field-id
,(format "fid=%d/type=%s/name=%s/id=%d" fid type name id)
w3m-action (w3m-form-input-select ,form ,id ,name)
w3m-submit (w3m-form-submit ,form ,id ,name
(w3m-form-get ,form ,id)
w3m-form-new-session
w3m-form-download)
w3m-anchor-sequence ,abs-hseq
w3m-form-readonly ,readonly))))
((string= type "password")
(w3m-add-face-property start end face)
(add-text-properties
start end
`(w3m-form-field-id
,(format "fid=%d/type=%s/name=%s/id=%d" fid type name id)
w3m-action (w3m-form-input-password ,form ,id ,name)
w3m-submit (w3m-form-submit ,form ,id ,name
(w3m-form-get ,form ,id)
w3m-form-new-session
w3m-form-download)
w3m-anchor-sequence ,abs-hseq
w3m-form-readonly ,readonly)))
((string= type "checkbox")
(let ((cvalue (w3m-form-get form id)))
(w3m-form-put form id name
(if checked
(cons value cvalue)
cvalue)))
(w3m-add-face-property start end face)
(add-text-properties
start end
`(w3m-form-field-id
,(format "fid=%d/type=%s/name=%s/id=%d" fid type name id)
w3m-action (w3m-form-input-checkbox ,form ,id ,name ,value)
w3m-submit (w3m-form-submit ,form ,id ,name
(w3m-form-get ,form ,id)
w3m-form-new-session
w3m-form-download)
w3m-anchor-sequence ,abs-hseq
w3m-form-readonly ,readonly)))
((string= type "radio")
;; Radio button input, one name has one value
(if checked
(w3m-form-put-by-name form id name value))
(w3m-add-face-property start end face)
(add-text-properties
start end
`(w3m-form-field-id
,(format "fid=%d/type=%s/name=%s/id=%d" fid type name id)
w3m-action (w3m-form-input-radio ,form ,id ,name ,value)
w3m-submit (w3m-form-submit ,form ,id ,name
(w3m-form-get-by-name
,form ,id ,name)
w3m-form-new-session
w3m-form-download)
w3m-anchor-sequence ,abs-hseq
w3m-form-readonly ,readonly)))
((string= type "file")
(w3m-add-face-property start end face)
(add-text-properties
start end
`(w3m-form-field-id
,(format "fid=%d/type=%s/name=%s/id=%d" fid type name id)
w3m-action (w3m-form-input-file ,form ,id ,name ,value)
w3m-submit (w3m-form-submit ,form ,id ,name
(w3m-form-get ,form ,id)
w3m-form-new-session
w3m-form-download)
w3m-anchor-sequence ,abs-hseq
w3m-form-readonly ,readonly)))
(t
(w3m-form-put form
id
name
(or value (w3m-form-get form id)))
(w3m-add-face-property start end face)
(add-text-properties
start end
`(w3m-form-field-id
,(format "fid=%d/type=%s/name=%s/id=%d" fid type name id)
w3m-action (w3m-form-input ,form ,id ,name ,type
,width ,maxlength ,value)
w3m-submit (w3m-form-submit ,form ,id ,name
(w3m-form-get ,form ,id)
w3m-form-new-session
w3m-form-download)
w3m-anchor-sequence ,abs-hseq
w3m-form-readonly ,readonly)))))))))
;; Process <internal> tag.
(when (search-forward "<internal>" nil t)
(setq internal-start (match-beginning 0))
(while (and (null reuse-forms)
(re-search-forward "<\\([a-z]+\\)_int" nil t))
(incf id)
(cond
((string= (match-string 1) "select")
(w3m-parse-attributes ((selectnumber :integer))
(let ((selectinfo (cdr (assq selectnumber selects)))
current candidates)
(when selectinfo
;; Parse FORM SELECT fields until </SELECT> (or </FORM>)
(while (and (w3m-search-tag "option_int" "/select_int")
(not (char-equal (char-after (match-beginning 1))
?/)))
;; <option_int> is found
(goto-char (match-end 1))
(w3m-parse-attributes ((value :decode-entity)
(label :decode-entity)
(selected :bool))
(push (cons value label) candidates)
(if selected (setq current value))
(skip-chars-forward ">\n")))
(setq candidates (nreverse candidates))
(w3m-form-put (nth 0 selectinfo)
(nth 1 selectinfo)
(nth 2 selectinfo)
(cons (or current ; current value
(caar candidates))
candidates))))))
((string= (match-string 1) "textarea")
(w3m-parse-attributes ((textareanumber :integer))
(forward-char 1) ; skip newline character.
(let ((textareainfo (cdr (assq textareanumber textareas)))
(buffer (current-buffer))
end text)
(when textareainfo
(setq start (point))
(skip-chars-forward "^<")
(setq text (buffer-substring-no-properties start (point)))
(w3m-form-put
(nth 0 textareainfo) (nth 1 textareainfo) (nth 2 textareainfo)
(with-temp-buffer
(insert text)
(w3m-decode-entities)
(goto-char (point-min))
(while (search-forward "\r\n" nil t) (replace-match "\n"))
(buffer-string)))))))))
(when (search-forward "</internal>" nil t)
(delete-region internal-start (match-end 0))))
(setq w3m-current-forms (if (eq w3m-type 'w3mmee)
forms
(mapcar 'cdr
(sort forms #'car-less-than-car))))
(w3m-form-resume (or reuse-forms w3m-current-forms))))
(defun w3m-form-replace (string &optional invisible)
(let* ((start (text-property-any (point-min) (point-max)
'w3m-action (w3m-action (point))))
(width (string-width
(buffer-substring
start
(next-single-property-change start 'w3m-action))))
(prop (text-properties-at start))
(p (point))
(inhibit-read-only t))
(goto-char start)
(insert (setq string
(if invisible
(make-string (length string) ?.)
(mapconcat 'identity
(split-string
(w3m-truncate-string (or string "")
width) "\n")
"")))
(make-string (max (- width (string-width string)) 0) ?\ ))
(delete-region (point)
(next-single-property-change (point) 'w3m-action))
(add-text-properties start (point) prop)
(set-buffer-modified-p nil)
(prog1 (point)
(goto-char p))))
(defun w3m-form-input (form id name type width maxlength value)
(let ((fvalue (w3m-form-get form id)))
(if (get-text-property (point) 'w3m-form-readonly)
(w3m-message "READONLY %s: %s" (upcase type) fvalue)
(save-excursion
(let ((input (save-excursion
(read-from-minibuffer (concat (upcase type) ": ") fvalue)))
(coding (w3m-form-get-coding-system (w3m-form-charlst form))))
(when (with-temp-buffer
(insert input)
(w3m-form-coding-system-accept-region-p nil nil coding))
(w3m-form-put form id name input)
(w3m-form-replace input)))))))
(defun w3m-form-input-password (form id name)
(if (get-text-property (point) 'w3m-form-readonly)
(message "This input box is read-only.")
(let* ((fvalue (w3m-form-get form id))
(input (save-excursion
(read-passwd (concat "PASSWORD"
(if fvalue
" (default is no change)")
": ")
nil
fvalue))))
(w3m-form-put form id name input)
(w3m-form-replace input 'invisible))))
(defun w3m-form-input-checkbox (form id name value)
(if (get-text-property (point) 'w3m-form-readonly)
(w3m-message "This form is currently inactive")
(let ((fvalue (w3m-form-get form id)))
(if (member value fvalue) ; already checked
(progn
(w3m-form-put form id name (delete value fvalue))
(w3m-form-replace " "))
(w3m-form-put form id name (cons value fvalue))
(w3m-form-replace "*")))))
(defun w3m-form-field-parse (fid)
(when (and fid
(string-match
"fid=\\([^/]+\\)/type=\\([^/]+\\)/name=\\([^/]*\\)/id=\\(.*\\)$"
fid))
(list (match-string 1 fid)
(match-string 2 fid)
(match-string 3 fid)
(match-string 4 fid))))
(defun w3m-form-input-radio (form id name value)
(if (get-text-property (point) 'w3m-form-readonly)
(w3m-message "This form is currently inactive")
(save-excursion
(let ((fid (w3m-form-field-parse
(get-text-property (point) 'w3m-form-field-id)))
cur-fid)
(when fid
;; Uncheck all RADIO input having same NAME
(goto-char 1)
(while (w3m-form-goto-next-field)
(setq cur-fid (w3m-form-field-parse
(get-text-property (point)
'w3m-form-field-id)))
(when (and (string= (nth 0 fid) (nth 0 cur-fid))
(string= (nth 1 fid) (nth 1 cur-fid))
(string= (nth 2 fid) (nth 2 cur-fid)))
(w3m-form-put-by-name
form (string-to-number (nth 3 fid)) (nth 2 fid) nil)
(w3m-form-replace " ")))))) ; erase check
;; Then set this field as checked.
(w3m-form-put-by-name form id name value)
(w3m-form-replace "*")))
(defun w3m-form-input-file (form id name value)
(if (get-text-property (point) 'w3m-form-readonly)
(w3m-message "This form is currently inactive")
(let ((input (save-excursion
(read-file-name "File name: "
(or (cdr (w3m-form-get form id))
"~/")))))
(w3m-form-put form id name (cons 'file input))
(w3m-form-replace input))))
;;; TEXTAREA
(defcustom w3m-form-input-textarea-buffer-lines 10
"*Buffer lines for form textarea buffer."
:group 'w3m
:type '(integer :size 0))
(defcustom w3m-form-input-textarea-mode-hook nil
"*A hook called after w3m-form-input-textarea-mode."
:group 'w3m
:type 'hook)
(defcustom w3m-form-input-textarea-set-hook nil
"*A Hook called before w3m-form-input-textarea-set."
:group 'w3m
:type 'hook)
(defun w3m-form-text-chop (text)
"Return a list of substrings of TEXT which are separated by newline
character."
(when text
(let ((start 0) parts)
(while (string-match "\n" text start)
(setq parts (cons (substring text start (match-beginning 0)) parts)
start (match-end 0)))
(nreverse (cons (substring text start) parts)))))
(defun w3m-form-search-textarea (hseq direction)
(let ((point (point))
(next-single-property-change-function
(if (eq direction 'forward)
'next-single-property-change
'previous-single-property-change))
found)
(if (get-text-property point 'w3m-form-hseq)
(setq point (funcall next-single-property-change-function point
'w3m-form-hseq)))
(when point
(while (and (not found)
(setq point (funcall next-single-property-change-function
point 'w3m-form-hseq)))
(when (eq (get-text-property point 'w3m-form-hseq) hseq)
(setq found t)))
(if point (goto-char point)))))
(defun w3m-form-textarea-replace (hseq string)
(let ((chopped (w3m-form-text-chop string))
(p (point)))
(goto-char (point-min))
(while (w3m-form-search-textarea hseq 'forward)
(w3m-form-replace (or (car chopped) ""))
(setq chopped (cdr chopped)))
(goto-char p)))
(defun w3m-form-textarea-info ()
"Return a list of (ID NAME LINE READONLY) for current text area."
(let ((s (get-text-property (point) 'w3m-form-hseq))
(lines 1))
(save-excursion
(while (w3m-form-search-textarea s 'backward)
(incf lines))
(list (get-text-property (point) 'w3m-form-id)
(get-text-property (point) 'w3m-form-name)
lines
(get-text-property (point) 'w3m-form-readonly)))))
(defvar w3m-form-input-textarea-map nil)
(unless w3m-form-input-textarea-map
(setq w3m-form-input-textarea-map (make-sparse-keymap))
(define-key w3m-form-input-textarea-map "\C-c\C-c"
'w3m-form-input-textarea-set)
(define-key w3m-form-input-textarea-map "\C-c\C-q"
'w3m-form-input-textarea-exit)
(define-key w3m-form-input-textarea-map "\C-c\C-k"
'w3m-form-input-textarea-exit)
(define-key w3m-form-input-textarea-map "\C-x\C-s"
'w3m-form-input-textarea-save))
(defvar w3m-form-input-textarea-org-mode-map nil)
(unless w3m-form-input-textarea-org-mode-map
(setq w3m-form-input-textarea-org-mode-map (make-sparse-keymap))
(define-key w3m-form-input-textarea-org-mode-map "\M-#c"
'w3m-form-input-textarea-set)
(define-key w3m-form-input-textarea-org-mode-map "\M-#q"
'w3m-form-input-textarea-exit)
(define-key w3m-form-input-textarea-org-mode-map "\M-#k"
'w3m-form-input-textarea-exit)
(define-key w3m-form-input-textarea-org-mode-map "\M-#s"
'w3m-form-input-textarea-save))
(defun w3m-form-input-textarea-filename (url id)
(condition-case nil
(concat (md5 (concat url id) nil nil w3m-current-coding-system) ".txt")
(error
(let ((file "")
;; Interdit chars of Windows
(replace (regexp-opt '("\\" "/" ":" "*" "?" "\"" "<" ">" "|")))
(max-file-path 254))
(while (string-match replace url)
(setq file (concat file (substring url 0 (match-beginning 0)) "_"))
(setq url (substring url (match-end 0))))
(setq file (concat file url "-"))
(while (string-match replace id)
(setq file (concat file (substring id 0 (match-beginning 0)) "_"))
(setq id (substring id (match-end 0))))
(if (< (- max-file-path 4) (length file))
(setq file (substring file 0 (- max-file-path 4 (length id)))))
(setq file (concat file id ".txt"))
(convert-standard-filename file)))))
(defun w3m-form-input-textarea-save (&optional buffer file no-check)
"Save textarea buffer."
(interactive)
(setq buffer (or buffer (current-buffer)))
(setq file (or file w3m-form-input-textarea-file))
(with-current-buffer buffer
(if (/= (buffer-size) 0)
(when (and
(or w3m-form-use-textarea-backup-p
(and (eq this-command 'w3m-form-input-textarea-save)
(y-or-n-p "Really save this buffer? ")))
(or no-check
(w3m-form-coding-system-accept-region-p)))
(let ((buffer-file-coding-system
w3m-form-textarea-file-coding-system)
(coding-system-for-write
w3m-form-textarea-file-coding-system))
(write-region (point-min) (point-max) file nil 'nomsg)))
(when w3m-form-use-textarea-backup-p
(when (file-exists-p file)
(delete-file file))
(when (file-exists-p (make-backup-file-name file))
(delete-file (make-backup-file-name file)))
(set-buffer-modified-p nil)))))
(defun w3m-form-input-textarea-set ()
"Save and exit from w3m form textarea mode."
(interactive)
(run-hooks 'w3m-form-input-textarea-set-hook)
(let ((input (buffer-string))
(buffer (current-buffer))
(hseq w3m-form-input-textarea-hseq)
(form w3m-form-input-textarea-form)
(point w3m-form-input-textarea-point)
(w3mbuffer w3m-form-input-textarea-buffer)
(wincfg w3m-form-input-textarea-wincfg)
(file w3m-form-input-textarea-file)
info)
(when (w3m-form-coding-system-accept-region-p)
(w3m-form-input-textarea-save buffer file t)
(or (one-window-p) (delete-window))
(kill-buffer buffer)
(if (not (buffer-live-p w3mbuffer))
(and (eq this-command 'w3m-form-input-textarea-set)
(message "No current w3m buffer"))
(pop-to-buffer w3mbuffer)
(set-window-configuration wincfg)
(when (and form point)
(goto-char point)
(setq info (w3m-form-textarea-info))
(w3m-form-put form (nth 0 info) (nth 1 info) input)
(w3m-form-textarea-replace hseq input))))))
(defun w3m-form-input-textarea-exit ()
"Exit from w3m form textarea mode."
(interactive)
(let ((buffer (current-buffer))
(point w3m-form-input-textarea-point)
(w3mbuffer w3m-form-input-textarea-buffer)
(wincfg w3m-form-input-textarea-wincfg)
(file w3m-form-input-textarea-file))
(w3m-form-input-textarea-save buffer file)
(or (one-window-p) (delete-window))
(kill-buffer buffer)
(if (not (buffer-live-p w3mbuffer))
(and (eq this-command 'w3m-form-input-textarea-exit)
(message "No current w3m buffer"))
(pop-to-buffer w3mbuffer)
(set-window-configuration wincfg)
(when point (goto-char point)))))
(unless (assq 'w3m-form-input-textarea-mode minor-mode-alist)
(push (list 'w3m-form-input-textarea-mode " w3m form textarea")
minor-mode-alist))
(unless (assq 'w3m-form-input-textarea-mode minor-mode-map-alist)
(push (cons 'w3m-form-input-textarea-mode w3m-form-input-textarea-map)
minor-mode-map-alist))
(defun w3m-form-input-textarea-mode (&optional arg)
"\\<w3m-form-input-textarea-map>
Minor mode to edit form textareas of w3m.
\\[w3m-form-input-textarea-set]\
Set the value and exit from this textarea.
\\[w3m-form-input-textarea-exit]\
Exit from this textarea without setting the value.
\\[w3m-form-input-textarea-save]\
Save editing data in this textarea.
"
(interactive "P")
(when (setq w3m-form-input-textarea-mode
(if arg
(> (prefix-numeric-value arg) 0)
(not w3m-form-input-textarea-mode)))
(run-hooks 'w3m-form-input-textarea-mode-hook))
(when (eq major-mode 'org-mode)
(add-to-list 'minor-mode-overriding-map-alist
(cons 'w3m-form-input-textarea-mode
w3m-form-input-textarea-org-mode-map))))
(defvar w3m-form-textarea-use-org-mode-p nil
"Use org-mode for editing textareas when non-nil")
(defun w3m-form-textarea-toggle-major-mode (&optional arg)
"Toggle editing textareas in Org-mode.
When off, textareas are edited in text-mode, otherwise in
org-mode. With prefix argument ARG, use org-mode if ARG is
positive, otherwise text-mode."
(interactive "P")
(setq w3m-form-textarea-use-org-mode-p
(if (null arg)
(not w3m-form-textarea-use-org-mode-p)
(> (prefix-numeric-value arg) 0)))
(message "Edit textarea in Org-mode %s"
(if w3m-form-textarea-use-org-mode-p "enabled" "disabled")))
(autoload 'show-all "outline" nil t)
(add-hook 'w3m-form-input-textarea-mode-hook
(lambda ()
(and (eq major-mode 'org-mode))
(show-all)))
(defvar view-mode-map)
(defun w3m-form-input-textarea-mode-setup (caller-buffer readonly)
(funcall (or (and readonly
'view-mode)
(and w3m-form-textarea-use-org-mode-p
'org-mode)
(and (functionp w3m-form-textarea-edit-mode)
w3m-form-textarea-edit-mode)
(when (buffer-live-p caller-buffer)
(with-current-buffer caller-buffer
(save-match-data
(catch 'found-mode
(dolist (elem w3m-form-textarea-edit-mode)
(when (if (stringp (car elem))
(string-match (car elem)
w3m-current-url)
(if (functionp (car elem))
(funcall (car elem))
(eval (car elem))))
(throw 'found-mode (cdr elem))))))))
'text-mode))
(if readonly
(let ((keymap (copy-keymap view-mode-map)))
(set (make-local-variable 'minor-mode-map-alist)
(list (cons 'view-mode keymap)))
(dolist (key (nconc (where-is-internal 'w3m-form-input-textarea-set
w3m-form-input-textarea-map)
(where-is-internal 'w3m-form-input-textarea-exit
w3m-form-input-textarea-map)))
(define-key keymap key 'w3m-form-input-textarea-exit))
(dolist (command '(View-exit View-exit-and-edit View-kill-and-leave
View-leave View-quit View-quit-all))
(substitute-key-definition command
'w3m-form-input-textarea-exit keymap))
(w3m-message (substitute-command-keys "READONLY TEXT; type \
`\\<w3m-form-input-textarea-map>\\[w3m-form-input-textarea-exit]' \
to quit textarea")))
(w3m-form-input-textarea-mode 1)
(w3m-message "%s"
(if readonly "\
This text is not editable because the form has disabled or readonly attribute"
(substitute-command-keys "Type \
`\\<w3m-form-input-textarea-map>\\[w3m-form-input-textarea-set]' to exit \
textarea, or type \
`\\<w3m-form-input-textarea-map>\\[w3m-form-input-textarea-exit]' to quit \
textarea")))))
(eval-and-compile
(defalias 'w3m-same-window-p
(if (featurep 'xemacs)
(lambda (buffer-name)
"Return non-nil if a buffer named BUFFER-NAME would be shown in the \"same\" window.
This function returns non-nil if `display-buffer' or
`pop-to-buffer' would show a buffer named BUFFER-NAME in the
selected rather than \(as usual\) some other window. See
`same-window-buffer-names' and `same-window-regexps'."
(cond
((not (stringp buffer-name)))
;; The elements of `same-window-buffer-names' can be buffer
;; names or cons cells whose cars are buffer names.
((and (boundp 'same-window-buffer-names)
(member buffer-name same-window-buffer-names)))
((and (boundp 'same-window-buffer-names)
(assoc buffer-name same-window-buffer-names)))
((and (boundp 'same-window-regexps)
(save-match-data
(catch 'found
(dolist (regexp same-window-regexps)
;; The elements of `same-window-regexps' can be regexps
;; or cons cells whose cars are regexps.
(when (or (and (stringp regexp)
(string-match regexp buffer-name))
(and (consp regexp) (stringp (car regexp))
(string-match (car regexp) buffer-name)))
(throw 'found t)))))))))
'same-window-p)))
(eval-when-compile
(unless (fboundp 'split-window-sensibly)
(defalias 'split-window-sensibly 'ignore)))
(defun w3m-form-input-textarea (form hseq)
(let* ((info (w3m-form-textarea-info))
(value (w3m-form-get form (car info)))
(cur-win (selected-window))
(wincfg (current-window-configuration))
(w3mbuffer (current-buffer))
(point (point))
(size (- (window-height cur-win)
(1+ (max window-min-height
w3m-form-input-textarea-buffer-lines))))
(file (get-text-property (point) 'w3m-form-file-name))
(coding (w3m-form-get-coding-system (w3m-form-charlst form)))
(readonly (nth 3 info))
(backup-p (and (not readonly)
(w3m-form-use-textarea-backup-p)))
buffer)
(setq w3m-form-use-textarea-backup-p backup-p)
(when backup-p
(add-hook 'kill-emacs-hook 'w3m-form-textarea-file-cleanup)
(let ((dir (file-chase-links
(expand-file-name w3m-form-textarea-directory))))
(unless (and (file-exists-p dir) (file-directory-p dir))
(make-directory dir))))
(setq buffer
(catch 'detect-buffer
(save-current-buffer
(dolist (buffer (buffer-list))
(set-buffer buffer)
(when (and w3m-form-input-textarea-mode
(eq w3m-form-input-textarea-buffer w3mbuffer)
(string= w3m-form-input-textarea-file file))
(throw 'detect-buffer (cons t buffer)))))
(generate-new-buffer "*w3m form textarea*")))
(unless (consp buffer)
(when (and backup-p (file-exists-p file) (file-readable-p file))
(with-temp-buffer
(let ((buffer-file-coding-system w3m-form-textarea-file-coding-system)
(coding-system-for-read w3m-form-textarea-file-coding-system))
(insert-file-contents file))
(let ((before (buffer-string)))
(when (unless (w3m-form-textarea-same-check value before)
(save-window-excursion
(set-window-buffer (selected-window) (current-buffer))
(goto-char (abs (w3m-compare-strings
before 0 (length before)
value 0 (length value))))
(condition-case nil
(y-or-n-p
"The saved text for this form exists. Use it? ")
(quit
(kill-buffer buffer)
(error "Abort textarea editing")))))
(setq value before)))))
(with-current-buffer buffer
(insert value)
(set-buffer-modified-p nil)
(when readonly
(set-buffer-modified-p nil)
(setq buffer-read-only t))
(goto-char (point-min))
(forward-line (1- (nth 2 info)))
(w3m-form-input-textarea-mode-setup w3mbuffer readonly)
(setq w3m-form-input-textarea-form form
w3m-form-input-textarea-hseq hseq
w3m-form-input-textarea-buffer w3mbuffer
w3m-form-input-textarea-point point
w3m-form-input-textarea-wincfg wincfg
w3m-form-input-textarea-file file
w3m-form-input-textarea-coding-system coding
w3m-form-use-textarea-backup-p backup-p)))
(if (and (consp buffer)
(get-buffer-window (cdr buffer)))
;; same frame only
(select-window (get-buffer-window (cdr buffer)))
;; Use the whole current window for the textarea when a user added
;; the buffer name "*w3m form textarea*" to `same-window-buffer-names'
;; (that is available only in Emacs).
;; cf.
;; <https://lists.gnu.org/archive/html/help-gnu-emacs/2008-11/msg00551.html>
(unless (w3m-same-window-p (buffer-name (if (consp buffer)
(cdr buffer)
buffer)))
(condition-case nil
(if (and w3m-form-textarea-use-org-mode-p
(fboundp 'split-window-sensibly) ;; Emacs >= 23
(not (eq (symbol-function 'split-window-sensibly)
'ignore)))
(split-window-sensibly cur-win)
(split-window cur-win (if (> size 0) size window-min-height)))
(error
(delete-other-windows)
(split-window cur-win (- (window-height cur-win)
w3m-form-input-textarea-buffer-lines))))
(select-window (next-window)))
(let ((pop-up-windows nil))
(switch-to-buffer (if (consp buffer) (cdr buffer) buffer))))))
(defun w3m-form-use-textarea-backup-p ()
(and w3m-form-use-textarea-backup
(let ((cbuf (current-buffer))
(curl w3m-current-url))
(catch 'loop
(save-current-buffer
(dolist (buf (w3m-list-buffers))
(when (eq buf cbuf)
(throw 'loop t))
(set-buffer buf)
(when (string= w3m-current-url curl)
(throw 'loop nil)))
t)))))
(defun w3m-form-textarea-same-check (str1 str2)
"Compare STR1 and STR2 without tailed whitespace."
(when (string-match "[ \t\n\r]+$" str1)
(setq str1 (substring str1 0 (match-beginning 0))))
(when (string-match "[ \t\n\r]+$" str2)
(setq str2 (substring str2 0 (match-beginning 0))))
(string= str1 str2))
(defun w3m-form-textarea-file-cleanup ()
"Remove all textarea files."
(remove-hook 'kill-emacs-hook 'w3m-form-textarea-file-cleanup)
(let ((dir (file-chase-links
(expand-file-name w3m-form-textarea-directory)))
(checktime t)
files file time)
(when (and w3m-form-textarea-file-expire-date
(file-directory-p dir))
(when (integerp w3m-form-textarea-file-expire-date)
(setq checktime (decode-time (current-time)))
(setq checktime (encode-time (nth 0 checktime) ;; seconds
(nth 1 checktime) ;; minutes
(nth 2 checktime) ;; hour
(- (nth 3 checktime) ;; day
w3m-form-textarea-file-expire-date)
(nth 4 checktime) ;; month
(nth 5 checktime) ;; year
(nth 6 checktime) ;; dow
(nth 7 checktime) ;; dst
(nth 8 checktime)))) ;; zone
(setq files (directory-files dir 'full "[^.]" 'nosort))
(while (setq file (car files))
(setq files (cdr files))
(when (file-writable-p file)
(if (eq checktime t)
(delete-file file)
(setq time (nth 5 (file-attributes file)))
(when (w3m-time-newer-p checktime time)
(delete-file file))))))))
(defun w3m-form-textarea-files-remove ()
"Remove used files of textarea."
(let (file)
(while (setq file (car w3m-form-textarea-post-files))
(setq w3m-form-textarea-post-files (cdr w3m-form-textarea-post-files))
(when (and (member file w3m-form-textarea-files)
(file-exists-p file)
(file-writable-p file))
(delete-file file)
(setq file (make-backup-file-name file))
(when (and (file-exists-p file)
(file-writable-p file))
(delete-file file))))))
(defun w3m-form-set-number (w3mbuf newname)
"Change parent w3m buffer in form buffers"
(save-current-buffer
(let ((newbuff (get-buffer newname)))
(when newbuff
(dolist (buffer (buffer-list))
(set-buffer buffer)
(cond
((and w3m-form-input-textarea-mode
(eq w3m-form-input-textarea-buffer w3mbuf))
(setq w3m-form-input-textarea-buffer newbuff))
((and (eq major-mode 'w3m-form-input-select-mode)
(eq w3m-form-input-select-buffer w3mbuf))
(setq w3m-form-input-select-buffer newbuff))
((and (eq major-mode 'w3m-form-input-map-mode)
(eq w3m-form-input-map-buffer w3mbuf))
(setq w3m-form-input-map-buffer newbuff))))))))
(defun w3m-form-kill-buffer (w3mbuf)
"Kill form buffers"
(save-current-buffer
(dolist (buffer (buffer-list))
(set-buffer buffer)
(cond
((and w3m-form-input-textarea-mode
(eq w3m-form-input-textarea-buffer w3mbuf))
(w3m-form-input-textarea-exit))
((and (eq major-mode 'w3m-form-input-select-mode)
(eq w3m-form-input-select-buffer w3mbuf))
(w3m-form-input-select-exit))
((and (eq major-mode 'w3m-form-input-map-mode)
(eq w3m-form-input-map-buffer w3mbuf))
(w3m-form-input-map-exit))))))
;;; SELECT
(defcustom w3m-form-input-select-buffer-lines 10
"*Buffer lines for form select buffer."
:group 'w3m
:type '(integer :size 0))
(defcustom w3m-form-input-select-mode-hook nil
"*A hook called after w3m-form-input-select-mode."
:group 'w3m
:type 'hook)
(defcustom w3m-form-input-select-set-hook nil
"*A Hook called before w3m-form-input-select-set."
:group 'w3m
:type 'hook)
(defcustom w3m-form-mouse-face 'highlight
"*Mouse face to highlight selected value."
:group 'w3m
:type 'face)
(defvar w3m-form-input-select-keymap nil)
(unless w3m-form-input-select-keymap
(setq w3m-form-input-select-keymap (make-sparse-keymap))
(define-key w3m-form-input-select-keymap "\C-c\C-c"
'w3m-form-input-select-set)
(define-key w3m-form-input-select-keymap "\r"
'w3m-form-input-select-set)
(define-key w3m-form-input-select-keymap "\C-m"
'w3m-form-input-select-set)
(define-key w3m-form-input-select-keymap "\C-c\C-q"
'w3m-form-input-select-exit)
(define-key w3m-form-input-select-keymap "\C-c\C-k"
'w3m-form-input-select-exit)
(define-key w3m-form-input-select-keymap "q"
'w3m-form-input-select-exit)
(define-key w3m-form-input-select-keymap "\C-g"
'w3m-form-input-select-exit)
(define-key w3m-form-input-select-keymap "h" 'backward-char)
(define-key w3m-form-input-select-keymap "j" 'next-line)
(define-key w3m-form-input-select-keymap "k" 'previous-line)
(define-key w3m-form-input-select-keymap "l" 'forward-char)
(if (featurep 'xemacs)
(define-key w3m-form-input-select-keymap [(button2)]
'w3m-form-input-select-set-mouse)
(define-key w3m-form-input-select-keymap [mouse-2]
'w3m-form-input-select-set-mouse)))
(defun w3m-form-input-select-set-mouse (event)
"Save and exit from w3m form select mode with mouse."
(interactive "e")
(mouse-set-point event)
(w3m-form-input-select-set))
(defun w3m-form-input-select-set ()
"Save and exit from w3m form select mode."
(interactive)
(run-hooks 'w3m-form-input-select-set-hook)
(let* ((cur (get-text-property (point)
'w3m-form-select-value))
(buffer (current-buffer))
(name w3m-form-input-select-name)
(id w3m-form-input-select-id)
(form w3m-form-input-select-form)
(point w3m-form-input-select-point)
(w3mbuffer w3m-form-input-select-buffer)
(wincfg w3m-form-input-select-wincfg)
input)
(setcar w3m-form-input-select-candidates cur)
(setq input w3m-form-input-select-candidates)
(or (one-window-p) (delete-window))
(kill-buffer buffer)
(when (buffer-live-p w3mbuffer)
(pop-to-buffer w3mbuffer)
(set-window-configuration wincfg)
(when (and form point)
(goto-char point)
(w3m-form-put form id name input)
(w3m-form-replace (cdr (assoc cur (cdr input))))))))
(defun w3m-form-input-select-exit ()
"Exit from w3m form select mode."
(interactive)
(let* ((buffer (current-buffer))
(point w3m-form-input-select-point)
(w3mbuffer w3m-form-input-select-buffer)
(wincfg w3m-form-input-select-wincfg))
(or (one-window-p) (delete-window))
(kill-buffer buffer)
(when (buffer-live-p w3mbuffer)
(pop-to-buffer w3mbuffer)
(set-window-configuration wincfg)
(when point (goto-char point)))))
(defun w3m-form-input-select-mode ()
"\\<w3m-form-input-select-keymap>
Major mode for w3m form select.
\\[w3m-form-input-select-set]\
Save and exit from w3m form select mode.
\\[w3m-form-input-select-exit]\
Exit from w3m form select mode.
\\[w3m-form-input-select-set-mouse]\
Save and exit from w3m form select mode with mouse.
"
(setq mode-name "w3m form select"
major-mode 'w3m-form-input-select-mode)
(setq buffer-read-only t)
(use-local-map w3m-form-input-select-keymap)
(w3m-run-mode-hooks 'w3m-form-input-select-mode-hook))
(defun w3m-form-input-select (form id name)
(if (get-text-property (point) 'w3m-form-readonly)
(w3m-message "This form is currently inactive")
(let* ((value (w3m-form-get form id))
(cur-win (selected-window))
(wincfg (current-window-configuration))
(urlid (format "%s:%s:%d" w3m-current-url name id))
(w3mbuffer (current-buffer))
(point (point))
(size (min
(- (window-height cur-win)
window-min-height 1)
(- (window-height cur-win)
(max window-min-height
(1+ w3m-form-input-select-buffer-lines)))))
buffer cur pos)
(setq buffer
(catch 'detect-buffer
(save-current-buffer
(dolist (buffer (buffer-list))
(set-buffer buffer)
(when (and w3m-form-input-select-buffer
(eq w3m-form-input-select-buffer w3mbuffer)
(string= w3m-form-input-select-urlid urlid))
(throw 'detect-buffer (cons t buffer)))))
(generate-new-buffer "*w3m form select*")))
(unless (consp buffer)
(with-current-buffer buffer
(setq w3m-form-input-select-form form)
(setq w3m-form-input-select-name name)
(setq w3m-form-input-select-id id)
(setq w3m-form-input-select-buffer w3mbuffer)
(setq w3m-form-input-select-point point)
(setq w3m-form-input-select-candidates value)
(setq w3m-form-input-select-wincfg wincfg)
(setq w3m-form-input-select-urlid urlid)
(when value
(setq cur (car value))
(setq value (cdr value))
(dolist (candidate value)
(setq pos (point))
(insert (if (zerop (length (cdr candidate)))
" " ; "" -> " "
(cdr candidate)))
(add-text-properties pos (point)
(list 'w3m-form-select-value (car candidate)
'mouse-face w3m-form-mouse-face))
(insert "\n")))
(goto-char (point-min))
(while (and (not (eobp))
(not (equal cur
(get-text-property (point)
'w3m-form-select-value))))
(goto-char (next-single-property-change (point)
'w3m-form-select-value)))
(set-buffer-modified-p nil)
(beginning-of-line)
(w3m-form-input-select-mode)))
(if (and (consp buffer)
(get-buffer-window (cdr buffer)))
;; same frame only
(select-window (get-buffer-window (cdr buffer)))
(condition-case nil
(split-window cur-win (if (> size 0) size window-min-height))
(error
(delete-other-windows)
(split-window cur-win (- (window-height cur-win)
w3m-form-input-select-buffer-lines))))
(select-window (next-window))
(let ((pop-up-windows nil))
(switch-to-buffer (if (consp buffer) (cdr buffer) buffer)))))))
;;; MAP
(defcustom w3m-form-input-map-buffer-lines 10
"*Buffer lines for form select map buffer."
:group 'w3m
:type '(integer :size 0))
(defcustom w3m-form-input-map-mode-hook nil
"*A hook called after w3m-form-input-map-mode."
:group 'w3m
:type 'hook)
(defcustom w3m-form-input-map-set-hook nil
"*A Hook called before w3m-form-input-map-set."
:group 'w3m
:type 'hook)
(defvar w3m-form-input-map-keymap nil)
(unless w3m-form-input-map-keymap
(setq w3m-form-input-map-keymap (make-sparse-keymap))
(define-key w3m-form-input-map-keymap "\C-c\C-c"
'w3m-form-input-map-set)
(define-key w3m-form-input-map-keymap "\r"
'w3m-form-input-map-set)
(define-key w3m-form-input-map-keymap "\C-m"
'w3m-form-input-map-set)
(define-key w3m-form-input-map-keymap "\C-c\C-q"
'w3m-form-input-map-exit)
(define-key w3m-form-input-map-keymap "\C-c\C-k"
'w3m-form-input-map-exit)
(define-key w3m-form-input-map-keymap "q"
'w3m-form-input-map-exit)
(define-key w3m-form-input-map-keymap "\C-g"
'w3m-form-input-map-exit)
(define-key w3m-form-input-map-keymap "h" 'backward-char)
(define-key w3m-form-input-map-keymap "j" 'next-line)
(define-key w3m-form-input-map-keymap "k" 'previous-line)
(define-key w3m-form-input-map-keymap "l" 'forward-char)
(if (featurep 'xemacs)
(define-key w3m-form-input-map-keymap [(button2)]
'w3m-form-input-map-set-mouse)
(define-key w3m-form-input-map-keymap [mouse-2]
'w3m-form-input-map-set-mouse)))
(defun w3m-form-input-map-set-mouse (event)
"Save and exit from w3m form select map mode with mouse."
(interactive "e")
(mouse-set-point event)
(w3m-form-input-map-set))
(defun w3m-form-input-map-set ()
"Save and exit from w3m form select map mode."
(interactive)
(run-hooks 'w3m-form-input-map-set-hook)
(let* ((map (get-text-property (point) 'w3m-form-map-value))
(buffer (current-buffer))
(w3mbuffer w3m-form-input-map-buffer)
(wincfg w3m-form-input-map-wincfg)
(point w3m-form-input-map-point))
(or (one-window-p) (delete-window))
(kill-buffer buffer)
(when (buffer-live-p w3mbuffer)
(pop-to-buffer w3mbuffer)
(set-window-configuration wincfg)
(when point (goto-char point))
(w3m-goto-url (w3m-expand-url map)))))
(defun w3m-form-input-map-exit ()
"Exit from w3m form select map mode."
(interactive)
(let* ((buffer (current-buffer))
(w3mbuffer w3m-form-input-map-buffer)
(wincfg w3m-form-input-map-wincfg)
(point w3m-form-input-map-point))
(or (one-window-p) (delete-window))
(kill-buffer buffer)
(when (buffer-live-p w3mbuffer)
(pop-to-buffer w3mbuffer)
(set-window-configuration wincfg)
(when point (goto-char point)))))
(defun w3m-form-input-map-mode ()
"\\<w3m-form-input-map-keymap>
Major mode for w3m map select.
\\[w3m-form-input-map-set]\
Save and exit from w3m form select map mode.
\\[w3m-form-input-map-exit]\
Exit from w3m form select map mode.
\\[w3m-form-input-map-set-mouse]\
Save and exit from w3m form select map mode with mouse.
"
(setq mode-name "w3m map select"
major-mode 'w3m-form-input-map-mode)
(setq buffer-read-only t)
(use-local-map w3m-form-input-map-keymap)
(w3m-run-mode-hooks 'w3m-form-input-map-mode-hook))
(defun w3m-form-input-map (form id name)
(let* ((value (w3m-form-get-by-name form id name))
(urlname (format "%s:%s" w3m-current-url name))
(cur-win (selected-window))
(wincfg (current-window-configuration))
(w3mbuffer (current-buffer))
(point (point))
(size (min
(- (window-height cur-win)
window-min-height 1)
(- (window-height cur-win)
(max window-min-height
(1+ w3m-form-input-map-buffer-lines)))))
buffer pos)
(setq buffer
(catch 'detect-buffer
(save-current-buffer
(dolist (buffer (buffer-list))
(set-buffer buffer)
(when (and w3m-form-input-map-buffer
(eq w3m-form-input-map-buffer w3mbuffer)
(string= w3m-form-input-map-urlname urlname))
(throw 'detect-buffer (cons t buffer)))))
(generate-new-buffer "*w3m map select*")))
(unless (consp buffer)
(with-current-buffer buffer
(setq w3m-form-input-map-buffer w3mbuffer)
(setq w3m-form-input-map-wincfg wincfg)
(setq w3m-form-input-map-point point)
(setq w3m-form-input-map-urlname urlname)
(when value
(dolist (candidate value)
(setq pos (point))
(insert (if (zerop (length (cdr candidate)))
(car candidate)
(cdr candidate)))
(add-text-properties pos (point)
(list 'w3m-form-map-value (car candidate)
'mouse-face w3m-form-mouse-face))
(insert "\n")))
(goto-char (point-min))
(set-buffer-modified-p nil)
(beginning-of-line)
(w3m-form-input-map-mode)))
(if (and (consp buffer)
(get-buffer-window (cdr buffer)))
;; same frame only
(select-window (get-buffer-window (cdr buffer)))
(condition-case nil
(split-window cur-win (if (> size 0) size window-min-height))
(error
(delete-other-windows)
(split-window cur-win (- (window-height cur-win)
w3m-form-input-map-buffer-lines))))
(select-window (next-window))
(let ((pop-up-windows nil))
(switch-to-buffer (if (consp buffer) (cdr buffer) buffer))))))
;;;
(defun w3m-form-submit-get-textarea-files (form)
(when w3m-form-use-textarea-backup-p
(let ((plist (w3m-form-plist form))
pos id file files)
(while plist
(setq id (car plist))
(setq plist (cddr plist))
(setq pos (text-property-any (point-min) (point-max) 'w3m-form-id id))
(when (and pos
(setq file (get-text-property pos 'w3m-form-file-name)))
(setq files (cons file files))))
files)))
(defvar w3m-form-last-position nil)
(defun w3m-form-restore-last-position ()
"Restore positions after fontifying a page containing forms."
(when (> (point-max) (nth 0 w3m-form-last-position))
(set-window-start nil (goto-char (nth 0 w3m-form-last-position)))
(set-window-hscroll nil (nth 1 w3m-form-last-position))
(forward-line (max 0 (1- (nth 2 w3m-form-last-position))))
(move-to-column (nth 3 w3m-form-last-position)))
(remove-hook 'w3m-fontify-after-hook 'w3m-form-restore-last-position))
(defun w3m-form-submit (form &optional id name value new-session download)
(if (w3m-anchor (point))
;; cf SA17565
(w3m-goto-url (w3m-anchor (point)))
(when (and id name
(> (length name) 0))
(w3m-form-put form id name value))
(let ((orig-url w3m-current-url)
(url (or (w3m-form-action form)
(if (string-match "\\?" w3m-current-url)
(substring w3m-current-url 0 (match-beginning 0))
w3m-current-url))))
(setq w3m-form-last-position (list (window-start) (window-hscroll)
(count-lines (window-start) (point))
(current-column)))
(setq w3m-form-textarea-post-files
(w3m-form-submit-get-textarea-files form))
(cond ((and (not (string= url orig-url))
(string-match "^https://" orig-url)
(string-match "^http://" url)
(not (y-or-n-p (format "Send POST data to '%s'?" url))))
(ding))
((or (eq 'post (w3m-form-method form))
;; While some sites, e.g., emacswiki.org, specify the
;; `get' method for the enctype `multipart/form-data',
;; we use the `post' method according to the proposal
;; of RFC2070.
(eq 'multipart/form-data (w3m-form-enctype form)))
(if download
(funcall 'w3m-download
url nil nil nil
(w3m-form-make-form-data form))
(add-hook 'w3m-fontify-after-hook
'w3m-form-restore-last-position)
(funcall (if new-session
'w3m-goto-url-new-session
'w3m-goto-url)
url 'reload nil
(w3m-form-make-form-data form)
w3m-current-url)))
((eq 'get (w3m-form-method form))
(funcall (if download
'w3m-download
(add-hook 'w3m-fontify-after-hook
'w3m-form-restore-last-position)
(if new-session
'w3m-goto-url-new-session
'w3m-goto-url))
(let ((query (w3m-form-make-form-data form)))
(if (zerop (length query))
url
(concat (w3m-url-strip-query url) "?" query)))))
(t
(w3m-message "This form's method has not been supported: %s"
(let (print-level print-length)
(prin1-to-string (w3m-form-method form)))))))))
(defun w3m-form-real-reset (form sexp)
(and (eq 'w3m-form-input (car sexp))
(eq form (nth 1 sexp))
(w3m-form-put form (nth 2 sexp) (nth 3 sexp) (nth 7 sexp))
(w3m-form-replace (nth 7 sexp))))
(defun w3m-form-reset (form)
(save-excursion
(let (pos prop)
(when (setq prop (w3m-action (goto-char (point-min))))
(goto-char (or (w3m-form-real-reset form prop)
(next-single-property-change pos 'w3m-action))))
(while (setq pos (next-single-property-change (point) 'w3m-action))
(goto-char pos)
(goto-char (or (w3m-form-real-reset form (w3m-action pos))
(next-single-property-change pos 'w3m-action)))))))
(provide 'w3m-form)
;;; w3m-form.el ends here
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