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1 ;;; w3-forms.el --- Emacs-w3 forms parsing code for new display engine
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2 ;; Author: wmperry
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2
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3 ;; Created: 1996/08/10 16:14:08
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4 ;; Version: 1.14
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5 ;; Keywords: faces, help, comm, data, languages
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6
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7 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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8 ;;; Copyright (c) 1996 by William M. Perry (wmperry@cs.indiana.edu)
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9 ;;;
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10 ;;; This file is not part of GNU Emacs, but the same permissions apply.
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11 ;;;
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12 ;;; GNU Emacs is free software; you can redistribute it and/or modify
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13 ;;; it under the terms of the GNU General Public License as published by
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14 ;;; the Free Software Foundation; either version 2, or (at your option)
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15 ;;; any later version.
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16 ;;;
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17 ;;; GNU Emacs is distributed in the hope that it will be useful,
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18 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 ;;; GNU General Public License for more details.
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21 ;;;
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22 ;;; You should have received a copy of the GNU General Public License
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23 ;;; along with GNU Emacs; see the file COPYING. If not, write to
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24 ;;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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25 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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26
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27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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28 ;;; FORMS processing for html 2.0/3.0
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29 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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30 (eval-and-compile
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31 (require 'w3-draw))
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32
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33 (require 'widget)
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34
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35 (if (featurep 'mule) (fset 'string-width 'length))
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36
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37 ;; These are things in later versions of the widget package that I don't
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38 ;; have yet.
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39 (defun widget-at (pt)
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40 (or (get-text-property pt 'button)
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41 (get-text-property pt 'field)))
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42
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43 ;; A form entry area is a vector
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44 ;; [ type name default-value value maxlength options widget]
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45 ;; Where:
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46 ;; type = symbol defining what type of form entry area it is
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47 ;; (ie: file, radio)
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48 ;; name = the name of the form element
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49 ;; default-value = the value this started out with
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50
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51 (defsubst w3-form-element-type (obj) (aref obj 0))
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52 (defsubst w3-form-element-name (obj) (aref obj 1))
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53 (defsubst w3-form-element-default-value (obj) (aref obj 2))
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54 (defsubst w3-form-element-value (obj) (aref obj 3))
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55 (defsubst w3-form-element-size (obj) (aref obj 4))
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56 (defsubst w3-form-element-maxlength (obj) (aref obj 5))
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57 (defsubst w3-form-element-options (obj) (aref obj 6))
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58 (defsubst w3-form-element-action (obj) (aref obj 7))
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59 (defsubst w3-form-element-widget (obj) (aref obj 8))
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60
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61 (defsubst w3-form-element-set-type (obj val) (aset obj 0 val))
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62 (defsubst w3-form-element-set-name (obj val) (aset obj 1 val))
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63 (defsubst w3-form-element-set-default-value (obj val) (aset obj 2 val))
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64 (defsubst w3-form-element-set-value (obj val) (aset obj 3 val))
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65 (defsubst w3-form-element-set-size (obj val) (aset obj 4 val))
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66 (defsubst w3-form-element-set-maxlength (obj val) (aset obj 5 val))
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67 (defsubst w3-form-element-set-options (obj val) (aset obj 6 val))
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68 (defsubst w3-form-element-set-action (obj val) (aset obj 7 val))
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69 (defsubst w3-form-element-set-widget (obj val) (aset obj 8 val))
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70
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71 ;; The main function - this adds a single widget to the form
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72 (defun w3-form-add-element (&rest args)
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73 (let* ((widget nil)
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74 (buffer-read-only nil)
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75 (inhibit-read-only t)
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76 (widget-creation-function nil)
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2
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77 (action (cons (cons 'form-number (w3-get-state :formnum))
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78 (nth 6 args)))
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79 (node (assoc action w3-form-elements))
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80 (name (or (nth 1 args)
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81 (if (memq (nth 0 args) '(submit reset))
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82 nil
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83 (symbol-name (nth 0 args)))))
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84 (val (vector (nth 0 args) ; type
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85 name ; name
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86 (nth 5 args) ; default
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87 (nth 2 args) ; value
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88 (nth 3 args) ; size
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89 (nth 4 args) ; maxlength
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90 (nth 7 args) ; options
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91 action
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92 nil)) ; widget
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93 )
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94 (setq widget-creation-function (or (get (car args)
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95 'w3-widget-creation-function)
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96 'w3-form-default-widget-creator)
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97 widget (funcall widget-creation-function val
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98 (cdr (nth 10 args))))
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99 (if node
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100 (setcdr node (cons val (cdr node)))
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101 (setq w3-form-elements (cons (cons action (list val)) w3-form-elements)))
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102 (if (not widget)
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103 nil
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104 (w3-form-element-set-widget val widget)
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105 (widget-put widget 'w3-form-data val))))
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106
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107 ;; These properties tell the add-element function how to actually create
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108 ;; each type of widget.
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109 (put 'checkbox 'w3-widget-creation-function 'w3-form-create-checkbox)
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110 (put 'multiline 'w3-widget-creation-function 'w3-form-create-multiline)
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111 (put 'radio 'w3-widget-creation-function 'w3-form-create-radio-button)
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112 (put 'reset 'w3-widget-creation-function 'w3-form-create-submit-button)
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113 (put 'submit 'w3-widget-creation-function 'w3-form-create-submit-button)
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114 (put 'hidden 'w3-widget-creation-function 'ignore)
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115 (put 'file 'w3-widget-creation-function 'w3-form-create-file-browser)
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116 (put 'option 'w3-widget-creation-function 'w3-form-create-option-list)
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117 (put 'keygen 'w3-widget-creation-function 'w3-form-create-keygen-list)
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118 (put 'button 'w3-widget-creation-function 'w3-form-create-button)
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119 (put 'image 'w3-widget-creation-function 'w3-form-create-image)
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120
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121 (defun w3-form-create-checkbox (el face)
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122 (widget-create 'checkbox :value-face face
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123 (and (w3-form-element-default-value el) t)))
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124
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125 (defun w3-form-create-radio-button (el face)
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126 (let* ((name (w3-form-element-name el))
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127 (formobj (cdr (assoc name w3-form-radio-elements)))
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128 (widget nil)
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129 )
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130 (if formobj
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131 (progn
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132 (setq widget (w3-form-element-widget formobj))
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133 (widget-radio-add-item widget
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134 (list 'item
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135 :format "%t"
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136 :tag ""
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137 :value (w3-form-element-value el)))
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138 (if (w3-form-element-default-value el)
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139 (widget-value-set widget (w3-form-element-value el)))
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140 nil)
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141 (setq widget (widget-create 'radio
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142 :value (w3-form-element-value el)
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143 (list 'item
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144 :format "%t"
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145 :tag ""
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146 :value (w3-form-element-value el)))
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147 w3-form-radio-elements (cons (cons name el)
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148 w3-form-radio-elements))
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149 widget)))
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150
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151 (defun w3-form-create-button (el face)
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152 ;; This handles dealing with the bogus Netscape 'button' input type
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153 ;; that lots of places have been using to slap javascript shit onto
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154 (let ((val (w3-form-element-value el)))
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155 (if (or (not val) (string= val ""))
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156 (setq val "Push Me"))
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157 (widget-create 'push :notify 'ignore :button-face face val)))
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158
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159 (defun w3-form-create-image (el face)
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160 (let ((widget (widget-create 'push
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161 :notify 'w3-form-submit/reset-callback
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162 :value "Form-Image")))
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163 widget))
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164
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165 (defun w3-form-create-submit-button (el face)
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166 (let ((val (w3-form-element-value el)))
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167 (if (or (not val) (string= val ""))
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168 (setq val (if (eq (w3-form-element-type el) 'submit)
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169 "Submit"
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170 "Reset")))
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171 (widget-create 'push :notify 'w3-form-submit/reset-callback
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172 :button-face face val)))
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173
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174 (defun w3-form-create-file-browser (el face)
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175 (widget-create 'file :value-face face :value (w3-form-element-value el)))
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176
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177 (defvar w3-form-valid-key-sizes
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178 '(
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179 ("1024 (Premium)" . 1024)
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180 ("896 (Regular)" . 896)
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181 ("768 (Unleaded)" . 768)
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182 ("512 (Low Grade)" . 512)
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183 ("508 (Woos)" . 508)
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184 ("256 (Test Grade)" . 256)
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185 )
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186 "An assoc list of available key sizes and meaningful descriptions.")
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187
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188 (defun w3-form-create-keygen-list (el face)
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189 (let ((tmp w3-form-valid-key-sizes)
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190 (longest 0)
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191 (options nil))
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192 (while tmp
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193 (if (> (length (caar tmp)) longest)
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194 (setq longest (length (caar tmp))))
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195 (setq options (cons (list 'choice-item :tag (caar tmp)
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196 :value (cdar tmp)) options)
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197 tmp (cdr tmp)))
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198 (apply 'widget-create 'choice :value 1024
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199 :tag "Key Length"
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200 :size (1+ longest)
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201 :value-face face
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202 options)))
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203
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204 (defun w3-form-create-option-list (el face)
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205 (let ((widget (apply 'widget-create 'choice :value (w3-form-element-value el)
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206 :tag "Choose"
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207 :format "%v"
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208 :size (w3-form-element-size el)
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209 :value-face face
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210 (mapcar
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211 (function
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212 (lambda (x)
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213 (list 'choice-item :format "%[%t%]"
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214 :tag (car x) :value (car x))))
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215 (reverse (w3-form-element-options el))))))
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216 (widget-value-set widget (w3-form-element-value el))
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217 widget))
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218
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219 ;(defun w3-form-create-multiline (el face)
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220 ; ;; FIX THIS! - need to padd out with newlines or something...
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221 ; (widget-create 'field :value-face face (w3-form-element-value el)))
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222
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223 (defun w3-form-create-multiline (el face)
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224 (widget-create 'push :notify 'w3-do-text-entry "Multiline text area"))
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225
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226 (defun w3-form-default-widget-creator (el face)
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227 (widget-create 'link
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228 :notify 'w3-form-default-button-callback
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229 :size (w3-form-element-size el)
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230 :tag (w3-truncate-string (w3-form-element-value el)
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231 (w3-form-element-size el) ?_)
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232 :value-face face
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233 (w3-form-element-value el)))
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234
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235 (defun w3-form-default-button-callback (widget &rest ignore)
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236 (let* ((obj (widget-get widget 'w3-form-data))
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237 (typ (w3-form-element-type obj))
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238 (def (widget-value widget))
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239 (val nil)
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240 )
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241 (case typ
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242 (password
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243 (setq val (funcall url-passwd-entry-func "Password: " def))
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244 (widget-put widget :tag (w3-truncate-string
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245 (make-string (length val) ?*)
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246 (w3-form-element-size obj) ?_)))
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247 (otherwise
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248 (setq val (read-string
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249 (concat (capitalize (symbol-name typ)) ": ") def))
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250 (widget-put widget :tag (w3-truncate-string
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251 val (w3-form-element-size obj) ?_))))
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252 (widget-value-set widget val))
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253 (apply 'w3-form-possibly-submit widget ignore))
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254
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255 (defun w3-truncate-string (str len &optional pad)
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256 "Truncate string STR so that string-width of STR is not greater than LEN.
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257 If width of the truncated string is less than LEN, and if a character PAD is
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258 defined, add padding end of it."
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259 (if (featurep 'mule)
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260 (let ((cl (string-to-char-list str)) (n 0) (sw 0))
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261 (if (<= (string-width str) len) str
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262 (while (<= (setq sw (+ (char-width (nth n cl)) sw)) len)
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263 (setq n (1+ n)))
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264 (string-match (make-string n ?.) str)
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265 (setq str (substring str 0 (match-end 0))))
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266 (if pad (concat str (make-string (- len (string-width str)) pad)) str))
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267 (concat (if (> (length str) len) (substring str 0 len) str)
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268 (if (or (null pad) (> (length str) len))
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269 ""
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270 (make-string (- len (length str)) pad)))))
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271
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272 (defun w3-form-possibly-submit (widget &rest ignore)
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273 (let* ((formobj (widget-get widget 'w3-form-data))
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274 (ident (w3-form-element-action formobj))
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275 (widgets (w3-all-widgets ident))
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276 (text-fields 0)
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277 (text-p nil))
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278 ;;
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279 ;; Gack. Netscape auto-submits forms of one text field
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280 ;; here we go through the list of widgets in this form and
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281 ;; determine which are not submit/reset/button inputs.
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282 ;; If the # == 1, then submit the form.
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283 ;;
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284 (while widgets
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285 (setq text-fields (+
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286 text-fields
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287 (case (w3-form-element-type (car widgets))
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288 ((submit reset image button)
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289 0)
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290 (text
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291 (setq text-p t)
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292 1)
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293 (otherwise
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294 1)))
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295 widgets (cdr widgets)))
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296 (if (and (= text-fields 1) text-p)
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297 (w3-submit-form ident))))
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298
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299 (defun w3-form-submit/reset-callback (widget &rest ignore)
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300 (let* ((formobj (widget-get widget 'w3-form-data))
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301 (w3-submit-button formobj))
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302 (case (w3-form-element-type formobj)
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303 (submit (w3-submit-form (w3-form-element-action formobj)))
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304 (reset (w3-revert-form (w3-form-element-action formobj)))
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305 (image (w3-submit-form (w3-form-element-action formobj)))
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306 (otherwise
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307 (error
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308 "Impossible widget type %s triggered w3-form-submit/reset-callback"
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309 (w3-form-element-type formobj))))))
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310
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311 (defun w3-do-text-entry (widget &rest ignore)
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312 (let* ((data (list widget (current-buffer)))
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313 (formobj (widget-get widget 'w3-form-data))
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314 (buff (get-buffer-create (format "Form Entry: %s"
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315 (w3-form-element-name formobj)))))
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316 (switch-to-buffer-other-window buff)
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317 (indented-text-mode)
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318 (erase-buffer)
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319 (if (w3-form-element-value formobj)
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320 (insert (w3-form-element-value formobj)))
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321 (setq w3-current-last-buffer data)
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322 (message "Press C-c C-c when finished with text entry.")
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323 (local-set-key "\C-c\C-c" 'w3-finish-text-entry)))
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324
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325 (defun w3-finish-text-entry ()
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326 (interactive)
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327 (if w3-current-last-buffer
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328 (let* ((widget (nth 0 w3-current-last-buffer))
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329 (formobj (widget-get widget 'w3-form-data))
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330 (buff (nth 1 w3-current-last-buffer))
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331 (valu (buffer-string))
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332 (inhibit-read-only t)
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333 )
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334 (local-set-key "\C-c\C-c" 'undefined)
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335 (kill-buffer (current-buffer))
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336 (condition-case ()
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337 (delete-window)
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338 (error nil))
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339 (if (not (and buff (bufferp buff) (buffer-name buff)))
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340 (message "Could not find the form buffer for this text!")
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341 (switch-to-buffer buff)
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342 (w3-form-element-set-value formobj valu)))))
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343
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344 (defsubst w3-all-widgets (actn)
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345 ;; Return a list of data entry widgets in form number ACTN
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346 (cdr-safe (assoc actn w3-form-elements)))
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347
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348 (defun w3-revert-form (actn)
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349 (save-excursion
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350 (let* ((formobjs (w3-all-widgets actn))
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351 (inhibit-read-only t)
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352 deft type widget formobj)
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353 (while formobjs
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354 (setq formobj (car formobjs)
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355 widget (w3-form-element-widget formobj)
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356 formobjs (cdr formobjs)
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357 deft (w3-form-element-default-value formobj)
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358 type (w3-form-element-type formobj))
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359 (case type
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360 ((submit reset image) nil)
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361 (radio
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362 ;; Ack - how!?
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363 )
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364 (checkbox
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365 (if deft
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366 (widget-value-set widget t)
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367 (widget-value-set widget nil)))
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368 (file
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369 (widget-value-set widget deft))
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370 (otherwise
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371 (widget-value-set widget deft)))))))
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372
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373 (defun w3-form-encode-helper (formobjs)
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374 (let (
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375 (submit-button-data w3-submit-button)
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376 formobj result widget temp type)
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377 (while formobjs
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378 (setq formobj (car formobjs)
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379 type (w3-form-element-type formobj)
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380 widget (w3-form-element-widget formobj)
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381 formobjs (cdr formobjs)
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382 temp (case type
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383 (reset nil)
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384 (image
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385 (if (and (eq submit-button-data formobj)
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386 (w3-form-element-name formobj))
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387 (setq result (append
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388 (list
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389 (cons
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390 (concat (w3-form-element-name formobj)
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391 ".x") "0")
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392 (cons
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393 (concat (w3-form-element-name formobj)
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394 ".y") "0"))
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395 result)))
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396 nil)
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397 (submit
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398 (if (and (eq submit-button-data formobj)
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399 (w3-form-element-name formobj))
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400 (cons (w3-form-element-name formobj)
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401 (w3-form-element-value formobj))))
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402 (radio
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2
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403 (let* ((radio-name (w3-form-element-name formobj))
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404 (radio-object (cdr-safe
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405 (assoc radio-name
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406 w3-form-radio-elements)))
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407 (chosen-widget (and radio-object
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408 (widget-radio-chosen
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409 (w3-form-element-widget
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410 radio-object)))))
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411 (if (assoc radio-name result)
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0
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412 nil
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2
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413 (cons radio-name (widget-value chosen-widget)))))
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0
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414 (checkbox
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415 (if (widget-value widget)
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416 (cons (w3-form-element-name formobj)
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417 (w3-form-element-value formobj))))
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418 (file
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419 (let ((dat nil)
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420 (fname (widget-value widget)))
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421 (save-excursion
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422 (set-buffer (get-buffer-create " *w3-temp*"))
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423 (erase-buffer)
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424 (setq dat
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425 (condition-case ()
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426 (insert-file-contents-literally fname)
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427 (error (concat "Error accessing " fname))))
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428 (cons (w3-form-element-name formobj) dat))))
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429 (option
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430 (cons (w3-form-element-name formobj)
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2
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431 (cdr-safe
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432 (assoc (widget-value widget)
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433 (w3-form-element-options formobj)))))
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0
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434 (keygen
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435 (cons (w3-form-element-name formobj)
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436 (format "Should create a %d bit RSA key"
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437 (widget-value widget))))
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438 ((multiline hidden)
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439 (cons (w3-form-element-name formobj)
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440 (w3-form-element-value formobj)))
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441 (otherwise
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442 (cons (w3-form-element-name formobj)
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443 (widget-value widget)))))
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444 (if temp
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445 (setq result (cons temp result))))
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446 result))
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447
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448 (defun w3-form-encode-make-mime-part (id data separator)
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449 (concat separator "\nContent-id: " id
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450 "\nContent-length: " (length data)
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451 "\n\n" data))
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452
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453 (defun w3-form-encode-multipart/x-www-form-data (formobjs)
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454 ;; Create a multipart form submission.
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455 ;; Returns a cons of two strings. Car is the separator used.
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|
456 ;; cdr is the body of the MIME message."
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457 (let ((separator "---some-separator-for-www-form-data"))
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|
458 (cons separator
|
|
|
459 (mapconcat
|
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|
460 (function
|
|
|
461 (lambda (formobj)
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|
462 (w3-form-encode-make-mime-part (car formobj) (cdr formobj)
|
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463 separator)))
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|
|
464 (w3-form-encode-helper formobjs)
|
|
|
465 "\n"))))
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466
|
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467 (fset 'w3-form-encode-multipart/form-data
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468 'w3-form-encode-multipart/x-www-form-data)
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|
469 (fset 'w3-form-encode- 'w3-form-encode-application/x-www-form-urlencoded)
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470
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471 (defun w3-next-widget (pos)
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|
472 (let* ((next (cond ((get-text-property pos 'button)
|
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|
473 (next-single-property-change pos 'button))
|
|
|
474 ((get-text-property pos 'field)
|
|
|
475 (next-single-property-change pos 'field))
|
|
|
476 (t pos)))
|
|
|
477 (button (next-single-property-change next 'button))
|
|
|
478 (field (next-single-property-change next 'field)))
|
|
|
479 (setq next
|
|
|
480 (cond
|
|
|
481 ((and button field) (min button field))
|
|
|
482 (button button)
|
|
|
483 (field field)
|
|
|
484 (t nil)))
|
|
|
485 (and next
|
|
|
486 (or (get-text-property next 'button)
|
|
|
487 (get-text-property next 'field)))))
|
|
|
488
|
|
|
489 (defun w3-form-encode (result &optional enctype)
|
|
|
490 "Create a string suitably encoded for a URL request."
|
|
|
491 (let ((func (intern (concat "w3-form-encode-" enctype))))
|
|
2
|
492 (if (fboundp func)
|
|
|
493 (funcall func result)
|
|
|
494 (w3-warn 'html (format "Bad encoding type for form data: %s" enctype))
|
|
|
495 (w3-form-encode-application/x-www-form-urlencoded result))))
|
|
0
|
496
|
|
|
497 (defun w3-form-encode-text/plain (result)
|
|
|
498 (let ((query ""))
|
|
|
499 (setq query
|
|
|
500 (mapconcat
|
|
|
501 (function
|
|
|
502 (lambda (widget)
|
|
|
503 (let ((nam (car widget))
|
|
|
504 (val (cdr widget)))
|
|
|
505 (if (string-match "\n" nam)
|
|
|
506 (setq nam (mapconcat
|
|
|
507 (function
|
|
|
508 (lambda (x)
|
|
|
509 (if (= x ?\n) "," (char-to-string x))))
|
|
|
510 nam "")))
|
|
|
511 (concat nam " " val))))
|
|
|
512 (w3-form-encode-helper result) "\n"))
|
|
|
513 query))
|
|
|
514
|
|
2
|
515 (defun w3-form-encode-application/x-w3-wais (result)
|
|
|
516 (cdr (car (w3-form-encode-helper result))))
|
|
|
517
|
|
0
|
518 (defun w3-form-encode-application/x-gopher-query (result)
|
|
2
|
519 (concat "\t" (cdr (car (w3-form-encode-helper result)))))
|
|
0
|
520
|
|
|
521 (defconst w3-xwfu-acceptable-chars
|
|
|
522 (list
|
|
|
523 ?a ?b ?c ?d ?e ?f ?g ?h ?i ?j ?k ?l ?m ?n ?o ?p ?q ?r ?s ?t ?u ?v ?w ?x ?y ?z
|
|
|
524 ?A ?B ?C ?D ?E ?F ?G ?H ?I ?J ?K ?L ?M ?N ?O ?P ?Q ?R ?S ?T ?U ?V ?W ?X ?Y ?Z
|
|
|
525 ?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9
|
|
2
|
526 ?_ ;; BOGUS! This is for #!%#@!ing netscape compatibility
|
|
|
527 ?. ;; BOGUS! This is for #!%#@!ing netscape compatibility
|
|
0
|
528 )
|
|
|
529 "A list of characters that we do not have to escape in the media type
|
|
2
|
530 application/x-www-form-urlencoded")
|
|
0
|
531
|
|
|
532 (defun w3-form-encode-xwfu (chunk)
|
|
|
533 "Escape characters in a string for application/x-www-form-urlencoded.
|
|
|
534 Blasphemous crap because someone didn't think %20 was good enough for encoding
|
|
|
535 spaces. Die Die Die."
|
|
|
536 (if (and (featurep 'mule) chunk)
|
|
2
|
537 (setq chunk (if w3-running-xemacs
|
|
|
538 (decode-coding-string
|
|
|
539 chunk url-mule-retrieval-coding-system)
|
|
|
540 (code-convert-string
|
|
|
541 chunk *internal* url-mule-retrieval-coding-system))))
|
|
0
|
542 (mapconcat
|
|
|
543 (function
|
|
|
544 (lambda (char)
|
|
|
545 (cond
|
|
|
546 ((= char ? ) "+")
|
|
|
547 ((memq char w3-xwfu-acceptable-chars) (char-to-string char))
|
|
2
|
548 (t (upcase (format "%%%02x" char))))))
|
|
0
|
549 chunk ""))
|
|
|
550
|
|
|
551 (defun w3-form-encode-application/x-www-form-urlencoded (result)
|
|
|
552 (mapconcat
|
|
|
553 (function
|
|
|
554 (lambda (data)
|
|
|
555 (concat (w3-form-encode-xwfu (car data)) "="
|
|
|
556 (w3-form-encode-xwfu (cdr data)))))
|
|
|
557 (w3-form-encode-helper result) "&"))
|
|
|
558
|
|
|
559 (defun w3-form-encode-application/x-w3-isindex (result)
|
|
|
560 (let* ((info (w3-form-encode-helper result))
|
|
|
561 (query (cdr-safe (assoc "isindex" info))))
|
|
|
562 (if query
|
|
|
563 (url-hexify-string query)
|
|
|
564 "")))
|
|
|
565
|
|
|
566 (defun w3-form-encode-application/gopher-ask-block (result)
|
|
|
567 (let ((query ""))
|
|
|
568 ;;; gopher+ will expect all the checkboxes/etc, even if they are
|
|
|
569 ;;; not turned on. Should still ignore RADIO boxes that are not
|
|
|
570 ;;; active though.
|
|
|
571 (while result
|
|
|
572 (if (and (not (and (string= (nth 2 (car result)) "RADIO")
|
|
|
573 (not (nth 6 (car result)))))
|
|
|
574 (not (member (nth 2 (car result)) '("SUBMIT" "RESET"))))
|
|
|
575 (setq query (format "%s\r\n%s" query (nth 5 (car result)))))
|
|
|
576 (setq result (cdr result)))
|
|
|
577 (concat query "\r\n.\r\n")))
|
|
|
578
|
|
|
579 (defun w3-submit-form (ident)
|
|
|
580 ;; Submit form entry fields matching ACTN as their action identifier.
|
|
|
581 (let* ((result (w3-all-widgets ident))
|
|
|
582 (enctype (cdr (assq 'enctype ident)))
|
|
|
583 (query (w3-form-encode result enctype))
|
|
|
584 (themeth (upcase (or (cdr (assq 'method ident)) "get")))
|
|
|
585 (theurl (cdr (assq 'action ident))))
|
|
|
586 (if (and (string= "GET" themeth)
|
|
|
587 (string-match "\\([^\\?]*\\)\\?" theurl))
|
|
|
588 (setq theurl (url-match theurl 1)))
|
|
|
589 (cond
|
|
|
590 ((or (string= "POST" themeth)
|
|
|
591 (string= "PUT" themeth))
|
|
|
592 (if (consp query)
|
|
|
593 (setq enctype (concat enctype "; separator=\""
|
|
|
594 (substring (car query) 3 nil)
|
|
|
595 "\"")
|
|
|
596 query (cdr query)))
|
|
|
597 (let ((url-request-method themeth)
|
|
|
598 (url-request-data query)
|
|
|
599 (url-request-extra-headers
|
|
|
600 (cons (cons "Content-type" enctype) url-request-extra-headers)))
|
|
|
601 (w3-fetch theurl)))
|
|
|
602 ((string= "GET" themeth)
|
|
2
|
603 (let ((theurl (concat theurl (if (string-match "gopher" enctype)
|
|
|
604 "" "?") query)))
|
|
0
|
605 (w3-fetch theurl)))
|
|
|
606 (t
|
|
|
607 (w3-warn 'html (format "Unknown submit method: %s" themeth))
|
|
|
608 (let ((theurl (concat theurl "?" query)))
|
|
|
609 (w3-fetch theurl))))))
|
|
|
610
|
|
|
611 (provide 'w3-forms)
|
