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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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3 ;; Created: 1997/01/02 20:20:29
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4 ;; Version: 1.32
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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 ;;; Copyright (c) 1996 Free Software Foundation, Inc.
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10 ;;;
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11 ;;; This file is part of GNU Emacs.
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12 ;;;
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13 ;;; GNU Emacs is free software; you can redistribute it and/or modify
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14 ;;; it under the terms of the GNU General Public License as published by
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15 ;;; the Free Software Foundation; either version 2, or (at your option)
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16 ;;; any later version.
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17 ;;;
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18 ;;; GNU Emacs is distributed in the hope that it will be useful,
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19 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 ;;; GNU General Public License for more details.
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22 ;;;
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23 ;;; You should have received a copy of the GNU General Public License
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24 ;;; along with GNU Emacs; see the file COPYING. If not, write to the
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25 ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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26 ;;; Boston, MA 02111-1307, USA.
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27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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28
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29 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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30 ;;; FORMS processing for html 2.0/3.0
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31 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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70
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32 (eval-and-compile
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33 (require 'w3-display)
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34 (require 'widget))
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35
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36 (require 'w3-vars)
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37 (require 'mule-sysdp)
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38
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39 ;; A form entry area is a vector
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40 ;; [ type name default-value value maxlength options widget]
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41 ;; Where:
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42 ;; type = symbol defining what type of form entry area it is
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43 ;; (ie: file, radio)
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44 ;; name = the name of the form element
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45 ;; default-value = the value this started out with
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46
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47 (defsubst w3-form-element-type (obj) (aref obj 0))
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48 (defsubst w3-form-element-name (obj) (aref obj 1))
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49 (defsubst w3-form-element-default-value (obj) (aref obj 2))
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50 (defsubst w3-form-element-value (obj) (aref obj 3))
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51 (defsubst w3-form-element-size (obj) (aref obj 4))
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52 (defsubst w3-form-element-maxlength (obj) (aref obj 5))
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53 (defsubst w3-form-element-options (obj) (aref obj 6))
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54 (defsubst w3-form-element-action (obj) (aref obj 7))
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55 (defsubst w3-form-element-widget (obj) (aref obj 8))
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56
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57 (defsubst w3-form-element-set-type (obj val) (aset obj 0 val))
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58 (defsubst w3-form-element-set-name (obj val) (aset obj 1 val))
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59 (defsubst w3-form-element-set-default-value (obj val) (aset obj 2 val))
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60 (defsubst w3-form-element-set-value (obj val) (aset obj 3 val))
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61 (defsubst w3-form-element-set-size (obj val) (aset obj 4 val))
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62 (defsubst w3-form-element-set-maxlength (obj val) (aset obj 5 val))
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63 (defsubst w3-form-element-set-options (obj val) (aset obj 6 val))
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64 (defsubst w3-form-element-set-action (obj val) (aset obj 7 val))
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65 (defsubst w3-form-element-set-widget (obj val) (aset obj 8 val))
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66
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70
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67 ;; The main function - this adds a single widget to the form
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68 (defun w3-form-add-element (type name value size maxlength default
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69 action options number id checked
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70 face)
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71 (let* ((name (or name (case type
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72 ((submit reset) nil)
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73 (otherwise (symbol-name type)))))
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74 (el (vector type
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75 name
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76 default
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77 value
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78 size
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79 maxlength
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80 options
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81 action nil))
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82 (size (if size
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83 (+ 2 size)
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84 (case type
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85 ((checkbox radio) 3)
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86 ((reset submit)
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87 (+ 2 (length (or value (symbol-name type)))))
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88 (multiline 21)
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89 (hidden nil)
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90 (otherwise 22))))
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91 )
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92 (if size
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93 (set-text-properties (point)
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94 (progn (insert-char ?T size) (point))
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95 (list 'w3-form-info el
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96 'start-open t
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97 'end-open t
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98 'rear-nonsticky t)))))
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99
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100 (defun w3-form-resurrect-widgets ()
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101 (let ((st (point-min))
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102 info nd node action)
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103 (while st
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104 (if (setq info (get-text-property st 'w3-form-info))
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105 (progn
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106 (setq nd (next-single-property-change st 'w3-form-info)
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107 action (w3-form-element-action info)
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108 node (assoc action w3-form-elements))
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109 (goto-char st)
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110 (delete-region st nd)
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111 (if (not (w3-form-element-size info))
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112 (w3-form-element-set-size info 20))
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113 (if node
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114 (setcdr node (cons info (cdr node)))
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115 (setq w3-form-elements (cons (cons action (list info))
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116 w3-form-elements)))
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117 (w3-form-add-element-internal info)
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118 (setq st (next-single-property-change st 'w3-form-info)))
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119 (setq st (next-single-property-change st 'w3-form-info))))))
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120
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121 (defun w3-form-add-element-internal (el)
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122 (let* ((widget nil)
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123 (buffer-read-only nil)
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124 (inhibit-read-only t)
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125 (widget-creation-function nil))
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126 (setq widget-creation-function (or (get (w3-form-element-type el)
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127 'w3-widget-creation-function)
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128 'w3-form-default-widget-creator)
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129 widget (funcall widget-creation-function el nil))
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130 (if (not widget)
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131 nil
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132 (w3-form-element-set-widget el widget)
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133 (widget-put widget 'w3-form-data el))))
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134
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135 ;; These properties tell the add-element function how to actually create
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136 ;; each type of widget.
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137 (put 'checkbox 'w3-widget-creation-function 'w3-form-create-checkbox)
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138 (put 'multiline 'w3-widget-creation-function 'w3-form-create-multiline)
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139 (put 'radio 'w3-widget-creation-function 'w3-form-create-radio-button)
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140 (put 'reset 'w3-widget-creation-function 'w3-form-create-submit-button)
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141 (put 'submit 'w3-widget-creation-function 'w3-form-create-submit-button)
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142 (put 'hidden 'w3-widget-creation-function 'ignore)
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143 (put 'file 'w3-widget-creation-function 'w3-form-create-file-browser)
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144 (put 'option 'w3-widget-creation-function 'w3-form-create-option-list)
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145 (put 'keygen 'w3-widget-creation-function 'w3-form-create-keygen-list)
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146 (put 'button 'w3-widget-creation-function 'w3-form-create-button)
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147 (put 'image 'w3-widget-creation-function 'w3-form-create-image)
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148
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149 (defun w3-form-create-checkbox (el face)
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150 (widget-create 'checkbox :value-face face
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151 (and (w3-form-element-default-value el) t)))
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152
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153 (defun w3-form-create-radio-button (el face)
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154 (let* ((name (w3-form-element-name el))
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155 (formobj (cdr (assoc name w3-form-radio-elements)))
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156 (widget nil)
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157 )
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158 (if formobj
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159 (progn
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160 (setq widget (w3-form-element-widget formobj))
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161 (widget-radio-add-item widget
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162 (list 'item
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163 :format "%t"
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164 :tag ""
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165 :value (w3-form-element-value el)))
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166 (if (w3-form-element-default-value el)
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167 (widget-value-set widget (w3-form-element-value el)))
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168 nil)
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169 (setq widget (widget-create 'radio-button-choice
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170 :value (w3-form-element-value el)
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171 (list 'item
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172 :format "%t"
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173 :tag ""
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174 :value (w3-form-element-value el)))
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175 w3-form-radio-elements (cons (cons name el)
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176 w3-form-radio-elements))
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177 widget)))
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178
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179 (defun w3-form-create-button (el face)
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180 ;; This handles dealing with the bogus Netscape 'button' input type
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181 ;; that lots of places have been using to slap javascript shit onto
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182 (let ((val (w3-form-element-value el)))
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183 (if (or (not val) (string= val ""))
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184 (setq val "Push Me"))
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185 (widget-create 'push-button :notify 'ignore :button-face face val)))
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186
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187 (defun w3-form-create-image (el face)
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188 (let ((widget (widget-create 'push-button
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189 :notify 'w3-form-submit/reset-callback
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190 :value "Form-Image")))
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191 widget))
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192
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193 (defun w3-form-create-submit-button (el face)
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194 (let ((val (w3-form-element-value el)))
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195 (if (or (not val) (string= val ""))
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196 (setq val (if (eq (w3-form-element-type el) 'submit)
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197 "Submit"
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198 "Reset")))
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199 (widget-create 'push-button
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200 :notify 'w3-form-submit/reset-callback
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201 :button-face face val)))
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202
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203 (defun w3-form-create-file-browser (el face)
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204 (widget-create 'file :value-face face :value (w3-form-element-value el)))
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205
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206 (defvar w3-form-valid-key-sizes
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207 '(
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208 ("1024 (Premium)" . 1024)
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209 ("896 (Regular)" . 896)
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210 ("768 (Unleaded)" . 768)
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211 ("512 (Low Grade)" . 512)
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212 ("508 (Woos)" . 508)
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213 ("256 (Test Grade)" . 256)
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214 )
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215 "An assoc list of available key sizes and meaningful descriptions.")
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216
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217 (defun w3-form-create-keygen-list (el face)
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218 (let ((tmp w3-form-valid-key-sizes)
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219 (longest 0)
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220 (options nil))
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221 (while tmp
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222 (if (> (length (caar tmp)) longest)
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223 (setq longest (length (caar tmp))))
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224 (setq options (cons (list 'choice-item :tag (caar tmp)
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225 :value (cdar tmp)) options)
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226 tmp (cdr tmp)))
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227 (apply 'widget-create 'menu-choice
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228 :value 1024
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229 :ignore-case t
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230 :tag "Key Length"
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231 :size (1+ longest)
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232 :value-face face
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233 options)))
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234
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235 (defun w3-form-create-option-list (el face)
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236 (let ((widget (apply 'widget-create 'menu-choice
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237 :value (w3-form-element-value el)
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238 :ignore-case t
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239 :tag "Choose"
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240 :format "%v"
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241 :size (w3-form-element-size el)
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242 :value-face face
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243 (mapcar
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244 (function
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245 (lambda (x)
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246 (list 'choice-item :format "%[%t%]"
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247 :tag (car x) :value (car x))))
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248 (w3-form-element-options el)))))
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249 (widget-value-set widget (w3-form-element-value el))
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250 widget))
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251
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252 ;(defun w3-form-create-multiline (el face)
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253 ; ;; FIX THIS! - need to padd out with newlines or something...
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254 ; (widget-create 'field :value-face face (w3-form-element-value el)))
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255
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256 (defun w3-form-create-multiline (el face)
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257 (widget-create 'push-button :notify 'w3-do-text-entry "Multiline text area"))
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258
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259 (defun w3-form-default-widget-creator (el face)
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260 (widget-create 'link
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261 :notify 'w3-form-default-button-callback
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262 :size (w3-form-element-size el)
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263 :tag (mule-truncate-string (w3-form-element-value el)
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264 (w3-form-element-size el) ?_)
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265 :value-face face
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266 (w3-form-element-value el)))
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267
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268 (defun w3-form-default-button-callback (widget &rest ignore)
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269 (let* ((obj (widget-get widget 'w3-form-data))
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270 (typ (w3-form-element-type obj))
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271 (def (widget-value widget))
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272 (val nil)
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273 )
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274 (case typ
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275 (password
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276 (setq val (funcall url-passwd-entry-func "Password: " def))
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277 (widget-put widget :tag (mule-truncate-string
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278 (make-string (length val) ?*)
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279 (w3-form-element-size obj) ?_)))
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280 (otherwise
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281 (setq val (read-string
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282 (concat (capitalize (symbol-name typ)) ": ") def))
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283 (widget-put widget :tag (mule-truncate-string
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284 val (w3-form-element-size obj) ?_))))
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285 (widget-value-set widget val))
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286 (apply 'w3-form-possibly-submit widget ignore))
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287
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288 (defun w3-form-possibly-submit (widget &rest ignore)
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289 (let* ((formobj (widget-get widget 'w3-form-data))
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290 (ident (w3-form-element-action formobj))
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291 (widgets (w3-all-widgets ident))
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292 (text-fields 0)
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293 (text-p nil))
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294 ;;
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295 ;; Gack. Netscape auto-submits forms of one text field
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296 ;; here we go through the list of widgets in this form and
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297 ;; determine which are not submit/reset/button inputs.
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298 ;; If the # == 1, then submit the form.
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299 ;;
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300 (while widgets
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301 (setq text-fields (+
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302 text-fields
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303 (case (w3-form-element-type (car widgets))
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304 ((submit reset image button)
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305 0)
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306 (text
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307 (setq text-p t)
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308 1)
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309 (otherwise
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310 1)))
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311 widgets (cdr widgets)))
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312 (if (and (= text-fields 1) text-p)
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313 (w3-submit-form ident))))
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314
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315 (defun w3-form-submit/reset-callback (widget &rest ignore)
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316 (let* ((formobj (widget-get widget 'w3-form-data))
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317 (w3-submit-button formobj))
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318 (case (w3-form-element-type formobj)
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319 (submit (w3-submit-form (w3-form-element-action formobj)))
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320 (reset (w3-revert-form (w3-form-element-action formobj)))
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321 (image (w3-submit-form (w3-form-element-action formobj)))
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322 (otherwise
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323 (error
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324 "Impossible widget type %s triggered w3-form-submit/reset-callback"
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325 (w3-form-element-type formobj))))))
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326
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327 (defun w3-do-text-entry (widget &rest ignore)
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328 (let* ((data (list widget (current-buffer)))
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329 (formobj (widget-get widget 'w3-form-data))
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330 (buff (get-buffer-create (format "Form Entry: %s"
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331 (w3-form-element-name formobj)))))
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332 (switch-to-buffer-other-window buff)
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333 (indented-text-mode)
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334 (erase-buffer)
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335 (if (w3-form-element-value formobj)
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336 (insert (w3-form-element-value formobj)))
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337 (setq w3-current-last-buffer data)
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338 (message "Press C-c C-c when finished with text entry.")
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339 (local-set-key "\C-c\C-c" 'w3-finish-text-entry)))
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340
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341 (defun w3-finish-text-entry ()
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342 (interactive)
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343 (if w3-current-last-buffer
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344 (let* ((widget (nth 0 w3-current-last-buffer))
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345 (formobj (widget-get widget 'w3-form-data))
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346 (buff (nth 1 w3-current-last-buffer))
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347 (valu (buffer-string))
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348 (inhibit-read-only t)
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349 )
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350 (local-set-key "\C-c\C-c" 'undefined)
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351 (kill-buffer (current-buffer))
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352 (condition-case ()
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353 (delete-window)
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354 (error nil))
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355 (if (not (and buff (bufferp buff) (buffer-name buff)))
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356 (message "Could not find the form buffer for this text!")
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357 (switch-to-buffer buff)
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358 (w3-form-element-set-value formobj valu)))))
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359
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360 (defsubst w3-all-widgets (actn)
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361 ;; Return a list of data entry widgets in form number ACTN
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362 (cdr-safe (assoc actn w3-form-elements)))
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363
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364 (defun w3-revert-form (actn)
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365 (save-excursion
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366 (let* ((formobjs (w3-all-widgets actn))
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367 (inhibit-read-only t)
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368 deft type widget formobj)
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369 (while formobjs
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370 (setq formobj (car formobjs)
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371 widget (w3-form-element-widget formobj)
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372 formobjs (cdr formobjs)
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373 deft (w3-form-element-default-value formobj)
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374 type (w3-form-element-type formobj))
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375 (case type
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70
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376 ((submit reset image) nil)
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0
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377 (radio
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70
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378 ;; Ack - how!?
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379 )
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0
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380 (checkbox
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381 (if deft
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382 (widget-value-set widget t)
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383 (widget-value-set widget nil)))
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384 (file
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385 (widget-value-set widget deft))
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386 (otherwise
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70
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387 (widget-value-set widget deft)))))))
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0
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388
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389 (defun w3-form-encode-helper (formobjs)
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390 (let (
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391 (submit-button-data w3-submit-button)
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392 formobj result widget temp type)
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393 (while formobjs
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394 (setq formobj (car formobjs)
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395 type (w3-form-element-type formobj)
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396 widget (w3-form-element-widget formobj)
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397 formobjs (cdr formobjs)
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398 temp (case type
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399 (reset nil)
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400 (image
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401 (if (and (eq submit-button-data formobj)
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402 (w3-form-element-name formobj))
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403 (setq result (append
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404 (list
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405 (cons
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406 (concat (w3-form-element-name formobj)
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407 ".x") "0")
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408 (cons
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409 (concat (w3-form-element-name formobj)
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410 ".y") "0"))
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411 result)))
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412 nil)
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413 (submit
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414 (if (and (eq submit-button-data formobj)
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415 (w3-form-element-name formobj))
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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 (radio
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2
|
419 (let* ((radio-name (w3-form-element-name formobj))
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420 (radio-object (cdr-safe
|
|
70
|
421 (assoc radio-name
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422 w3-form-radio-elements)))
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2
|
423 (chosen-widget (and radio-object
|
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424 (widget-radio-chosen
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425 (w3-form-element-widget
|
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|
426 radio-object)))))
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|
|
427 (if (assoc radio-name result)
|
|
0
|
428 nil
|
|
2
|
429 (cons radio-name (widget-value chosen-widget)))))
|
|
0
|
430 (checkbox
|
|
|
431 (if (widget-value widget)
|
|
|
432 (cons (w3-form-element-name formobj)
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|
|
433 (w3-form-element-value formobj))))
|
|
|
434 (file
|
|
|
435 (let ((dat nil)
|
|
|
436 (fname (widget-value widget)))
|
|
|
437 (save-excursion
|
|
|
438 (set-buffer (get-buffer-create " *w3-temp*"))
|
|
|
439 (erase-buffer)
|
|
|
440 (setq dat
|
|
|
441 (condition-case ()
|
|
|
442 (insert-file-contents-literally fname)
|
|
|
443 (error (concat "Error accessing " fname))))
|
|
|
444 (cons (w3-form-element-name formobj) dat))))
|
|
|
445 (option
|
|
|
446 (cons (w3-form-element-name formobj)
|
|
2
|
447 (cdr-safe
|
|
|
448 (assoc (widget-value widget)
|
|
|
449 (w3-form-element-options formobj)))))
|
|
0
|
450 (keygen
|
|
70
|
451 (cons (w3-form-element-name formobj)
|
|
|
452 (format "Should create a %d bit RSA key"
|
|
|
453 (widget-value widget))))
|
|
0
|
454 ((multiline hidden)
|
|
|
455 (cons (w3-form-element-name formobj)
|
|
|
456 (w3-form-element-value formobj)))
|
|
|
457 (otherwise
|
|
|
458 (cons (w3-form-element-name formobj)
|
|
|
459 (widget-value widget)))))
|
|
|
460 (if temp
|
|
|
461 (setq result (cons temp result))))
|
|
|
462 result))
|
|
|
463
|
|
|
464 (defun w3-form-encode-make-mime-part (id data separator)
|
|
|
465 (concat separator "\nContent-id: " id
|
|
|
466 "\nContent-length: " (length data)
|
|
|
467 "\n\n" data))
|
|
|
468
|
|
|
469 (defun w3-form-encode-multipart/x-www-form-data (formobjs)
|
|
|
470 ;; Create a multipart form submission.
|
|
|
471 ;; Returns a cons of two strings. Car is the separator used.
|
|
|
472 ;; cdr is the body of the MIME message."
|
|
|
473 (let ((separator "---some-separator-for-www-form-data"))
|
|
|
474 (cons separator
|
|
|
475 (mapconcat
|
|
|
476 (function
|
|
|
477 (lambda (formobj)
|
|
|
478 (w3-form-encode-make-mime-part (car formobj) (cdr formobj)
|
|
|
479 separator)))
|
|
|
480 (w3-form-encode-helper formobjs)
|
|
|
481 "\n"))))
|
|
|
482
|
|
|
483 (fset 'w3-form-encode-multipart/form-data
|
|
|
484 'w3-form-encode-multipart/x-www-form-data)
|
|
|
485 (fset 'w3-form-encode- 'w3-form-encode-application/x-www-form-urlencoded)
|
|
|
486
|
|
|
487 (defun w3-next-widget (pos)
|
|
|
488 (let* ((next (cond ((get-text-property pos 'button)
|
|
|
489 (next-single-property-change pos 'button))
|
|
|
490 ((get-text-property pos 'field)
|
|
|
491 (next-single-property-change pos 'field))
|
|
|
492 (t pos)))
|
|
80
|
493 (button (and next (next-single-property-change next 'button)))
|
|
|
494 (field (and next (next-single-property-change next 'field))))
|
|
0
|
495 (setq next
|
|
|
496 (cond
|
|
|
497 ((and button field) (min button field))
|
|
|
498 (button button)
|
|
|
499 (field field)
|
|
|
500 (t nil)))
|
|
|
501 (and next
|
|
|
502 (or (get-text-property next 'button)
|
|
|
503 (get-text-property next 'field)))))
|
|
|
504
|
|
|
505 (defun w3-form-encode (result &optional enctype)
|
|
|
506 "Create a string suitably encoded for a URL request."
|
|
|
507 (let ((func (intern (concat "w3-form-encode-" enctype))))
|
|
2
|
508 (if (fboundp func)
|
|
|
509 (funcall func result)
|
|
|
510 (w3-warn 'html (format "Bad encoding type for form data: %s" enctype))
|
|
|
511 (w3-form-encode-application/x-www-form-urlencoded result))))
|
|
0
|
512
|
|
|
513 (defun w3-form-encode-text/plain (result)
|
|
|
514 (let ((query ""))
|
|
|
515 (setq query
|
|
|
516 (mapconcat
|
|
|
517 (function
|
|
|
518 (lambda (widget)
|
|
|
519 (let ((nam (car widget))
|
|
|
520 (val (cdr widget)))
|
|
|
521 (if (string-match "\n" nam)
|
|
|
522 (setq nam (mapconcat
|
|
|
523 (function
|
|
|
524 (lambda (x)
|
|
|
525 (if (= x ?\n) "," (char-to-string x))))
|
|
|
526 nam "")))
|
|
|
527 (concat nam " " val))))
|
|
|
528 (w3-form-encode-helper result) "\n"))
|
|
|
529 query))
|
|
|
530
|
|
70
|
531 (defun w3-form-encode-application/x-w3-wais (result)
|
|
|
532 (cdr (car (w3-form-encode-helper result))))
|
|
|
533
|
|
0
|
534 (defun w3-form-encode-application/x-gopher-query (result)
|
|
2
|
535 (concat "\t" (cdr (car (w3-form-encode-helper result)))))
|
|
0
|
536
|
|
|
537 (defun w3-form-encode-xwfu (chunk)
|
|
|
538 "Escape characters in a string for application/x-www-form-urlencoded.
|
|
|
539 Blasphemous crap because someone didn't think %20 was good enough for encoding
|
|
|
540 spaces. Die Die Die."
|
|
|
541 (mapconcat
|
|
|
542 (function
|
|
|
543 (lambda (char)
|
|
|
544 (cond
|
|
|
545 ((= char ? ) "+")
|
|
80
|
546 ((memq char url-unreserved-chars) (char-to-string char))
|
|
2
|
547 (t (upcase (format "%%%02x" char))))))
|
|
80
|
548 (mule-encode-string chunk) ""))
|
|
0
|
549
|
|
|
550 (defun w3-form-encode-application/x-www-form-urlencoded (result)
|
|
|
551 (mapconcat
|
|
|
552 (function
|
|
|
553 (lambda (data)
|
|
|
554 (concat (w3-form-encode-xwfu (car data)) "="
|
|
|
555 (w3-form-encode-xwfu (cdr data)))))
|
|
|
556 (w3-form-encode-helper result) "&"))
|
|
|
557
|
|
|
558 (defun w3-form-encode-application/x-w3-isindex (result)
|
|
|
559 (let* ((info (w3-form-encode-helper result))
|
|
|
560 (query (cdr-safe (assoc "isindex" info))))
|
|
|
561 (if query
|
|
|
562 (url-hexify-string query)
|
|
|
563 "")))
|
|
|
564
|
|
|
565 (defun w3-form-encode-application/gopher-ask-block (result)
|
|
|
566 (let ((query ""))
|
|
|
567 ;;; gopher+ will expect all the checkboxes/etc, even if they are
|
|
|
568 ;;; not turned on. Should still ignore RADIO boxes that are not
|
|
|
569 ;;; active though.
|
|
|
570 (while result
|
|
|
571 (if (and (not (and (string= (nth 2 (car result)) "RADIO")
|
|
|
572 (not (nth 6 (car result)))))
|
|
|
573 (not (member (nth 2 (car result)) '("SUBMIT" "RESET"))))
|
|
|
574 (setq query (format "%s\r\n%s" query (nth 5 (car result)))))
|
|
|
575 (setq result (cdr result)))
|
|
|
576 (concat query "\r\n.\r\n")))
|
|
|
577
|
|
|
578 (defun w3-submit-form (ident)
|
|
|
579 ;; Submit form entry fields matching ACTN as their action identifier.
|
|
|
580 (let* ((result (w3-all-widgets ident))
|
|
80
|
581 (enctype (or (cdr (assq 'enctype ident))
|
|
|
582 "application/x-www-form-urlencoded"))
|
|
0
|
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)
|
