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1 ;;; psgml-edit.el --- Editing commands for SGML-mode with parsing support
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2 ;; $Id: psgml-edit.el,v 1.1.1.1 1996/12/18 03:35:19 steve Exp $
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3
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4 ;; Copyright (C) 1994, 1995, 1996 Lennart Staflin
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5
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6 ;; Author: Lennart Staflin <lenst@lysator.liu.se>
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7
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8 ;; This program is free software; you can redistribute it and/or
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9 ;; modify it under the terms of the GNU General Public License
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10 ;; as published by the Free Software Foundation; either version 2
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11 ;; of the License, or (at your option) any later version.
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12 ;;
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13 ;; This program is distributed in the hope that it will be useful,
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14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 ;; GNU General Public License for more details.
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17 ;;
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18 ;; You should have received a copy of the GNU General Public License
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19 ;; along with this program; if not, write to the Free Software
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20 ;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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21
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22
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23 ;;;; Commentary:
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24
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25 ;; Part of major mode for editing the SGML document-markup language.
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26
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27
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28 ;;;; Code:
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29
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30 (provide 'psgml-edit)
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31 (require 'psgml)
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32 (require 'psgml-parse)
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33
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34
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35 ;;;; Variables
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36
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37 (defvar sgml-split-level nil
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38 "Used by sgml-split-element")
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39
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40
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41 ;;;; SGML mode: structure editing
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42
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43 (defun sgml-last-element ()
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44 "Return the element where last command left point.
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45 This either uses the save value in `sgml-last-element' or parses the buffer
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46 to find current open element."
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47 (setq sgml-markup-type nil)
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48 (if (and (memq last-command sgml-users-of-last-element)
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49 sgml-last-element) ; Don't return nil
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50 sgml-last-element
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51 (setq sgml-last-element (sgml-find-context-of (point)))) )
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52
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53 (defun sgml-set-last-element (&optional el)
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54 (if el (setq sgml-last-element el))
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55 (sgml-show-context sgml-last-element))
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56
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57 (defun sgml-beginning-of-element ()
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58 "Move to after the start-tag of the current element.
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59 If the start-tag is implied, move to the start of the element."
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60 (interactive)
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61 (goto-char (sgml-element-stag-end (sgml-last-element)))
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62 (sgml-set-last-element (if (sgml-element-empty sgml-last-element)
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63 (sgml-element-parent sgml-last-element))))
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64
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65 (defun sgml-end-of-element ()
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66 "Move to before the end-tag of the current element."
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67 (interactive)
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68 (goto-char (sgml-element-etag-start (sgml-last-element)))
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69 (sgml-set-last-element (if (sgml-element-empty sgml-last-element)
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70 (sgml-element-parent sgml-last-element))))
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71
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72 (defun sgml-backward-up-element ()
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73 "Move backward out of this element level.
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74 That is move to before the start-tag or where a start-tag is implied."
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75 (interactive)
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76 (goto-char (sgml-element-start (sgml-last-element)))
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77 (sgml-set-last-element (sgml-element-parent sgml-last-element)))
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78
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79 (defun sgml-up-element ()
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80 "Move forward out of this element level.
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81 That is move to after the end-tag or where an end-tag is implied."
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82 (interactive)
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83 (goto-char (sgml-element-end (sgml-last-element)))
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84 (sgml-set-last-element (sgml-element-parent sgml-last-element)))
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85
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86 (defun sgml-forward-element ()
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87 "Move forward over next element."
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88 (interactive)
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89 (let ((next
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90 (sgml-find-element-after (point) (sgml-last-element))))
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91 (goto-char (sgml-element-end next))
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92 (sgml-set-last-element (sgml-element-parent next))))
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93
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94 (defun sgml-backward-element ()
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95 "Move backward over previous element at this level.
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96 With implied tags this is ambigous."
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97 (interactive)
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98 (let ((prev ; previous element
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99 (sgml-find-previous-element (point) (sgml-last-element))))
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100 (goto-char (sgml-element-start prev))
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101 (sgml-set-last-element (sgml-element-parent prev))))
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102
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103 (defun sgml-down-element ()
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104 "Move forward and down one level in the element structure."
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105 (interactive)
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106 (let ((to
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107 (sgml-find-element-after (point) (sgml-last-element))))
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108 (goto-char (sgml-element-stag-end to))
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109 (sgml-set-last-element (if (sgml-element-empty to)
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110 (sgml-element-parent to)
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111 to))))
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112
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113
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114 (defun sgml-kill-element ()
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115 "Kill the element following the cursor."
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116 (interactive "*")
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117 (sgml-parse-to-here)
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118 (when sgml-markup-type
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119 (error "Point is inside markup"))
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120 (kill-region (point)
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121 (sgml-element-end (sgml-find-element-after (point)))))
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122
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123 (defun sgml-transpose-element ()
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124 "Interchange element before point with element after point, leave point after."
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125 (interactive "*")
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126 (let ((pre (sgml-find-previous-element (point)))
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127 (next (sgml-find-element-after (point)))
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128 s1 s2 m2)
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129 (goto-char (sgml-element-start next))
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130 (setq m2 (point-marker))
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131 (setq s2 (buffer-substring (point)
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132 (sgml-element-end next)))
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133 (delete-region (point) (sgml-element-end next))
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134 (goto-char (sgml-element-start pre))
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135 (setq s1 (buffer-substring (point) (sgml-element-end pre)))
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136 (delete-region (point) (sgml-element-end pre))
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137 (insert-before-markers s2)
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138 (goto-char m2)
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139 (insert s1)
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140 (sgml-message "")))
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141
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142 (defun sgml-mark-element ()
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143 "Set mark after next element."
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144 (interactive)
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145 (push-mark (sgml-element-end (sgml-find-element-after (point))) nil t))
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146
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147 (defun sgml-mark-current-element ()
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148 "Set mark at end of current element, and leave point before current element."
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149 (interactive)
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150 (let ((el (sgml-find-element-of (point))))
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151 (goto-char (sgml-element-start el))
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152 (push-mark (sgml-element-end el) nil t)))
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153
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154
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155 (defun sgml-change-element-name (gi)
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156 "Replace the name of the current element with a new name.
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157 Eventual attributes of the current element will be translated if
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158 possible."
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159 (interactive
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160 (list (let ((el (sgml-find-element-of (point))))
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161 (goto-char (sgml-element-start el))
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162 (sgml-read-element-name
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163 (format "Change %s to: " (sgml-element-name el))))))
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164 (when (or (null gi) (equal gi ""))
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165 (error "Illegal name"))
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166 (let* ((element (sgml-find-element-of (point)))
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167 (attspec (sgml-element-attribute-specification-list element))
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168 (oldattlist (sgml-element-attlist element)))
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169 (unless (sgml-element-empty element)
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170 (goto-char (sgml-element-end element))
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171 (delete-char (- (sgml-element-etag-len element)))
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172 (insert (sgml-end-tag-of gi)))
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173 (goto-char (sgml-element-start element))
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174 (delete-char (sgml-element-stag-len element))
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175 (insert (sgml-start-tag-of gi))
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176 (forward-char -1)
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177 (let* ((newel (sgml-find-element-of (point)))
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178 (newattlist (sgml-element-attlist newel))
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179 (newasl (sgml-translate-attribute-specification-list
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180 attspec oldattlist newattlist)))
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181 (sgml-insert-attributes newasl newattlist))))
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182
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183 (defun sgml-translate-attribute-specification-list (values from to)
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184 "Translate attribute specification from one element type to another.
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185 Input attribute values in VALUES using attlist FROM is translated into
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186 a list using attlist TO."
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187 (let ((new-values nil)
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188 (sgml-show-warnings t)
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189 tem)
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190 (loop for attspec in values
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191 as from-decl = (sgml-lookup-attdecl (sgml-attspec-name attspec) from)
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192 as to-decl = (sgml-lookup-attdecl (sgml-attspec-name attspec) to)
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193 do
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194 (cond
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195 ;; Special case ID attribute
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196 ((and (eq 'id (sgml-attdecl-declared-value from-decl))
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197 (setq tem (sgml-attribute-with-declared-value to 'id)))
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198 (push
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199 (sgml-make-attspec (sgml-attdecl-name tem)
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200 (sgml-attspec-attval attspec))
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201 new-values))
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202 ;; Use attribute with same name if compatible type
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203 ((equal (sgml-attdecl-declared-value from-decl)
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204 (sgml-attdecl-declared-value to-decl))
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205 (push attspec new-values))
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206 (to-decl
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207 (sgml-log-warning
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208 "Attribute %s has new declared-value"
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209 (sgml-attspec-name attspec))
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210 (push attspec new-values))
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211 (t
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212 (sgml-log-warning "Can't translate attribute %s = %s"
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213 (sgml-attspec-name attspec)
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214 (sgml-attspec-attval attspec)))))
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215 new-values))
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216
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217 (defun sgml-untag-element ()
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218 "Remove tags from current element."
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219 (interactive "*")
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220 (let ((el (sgml-find-element-of (point))))
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221 (when (or (sgml-strict-epos-p (sgml-element-stag-epos el))
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222 (sgml-strict-epos-p (sgml-element-etag-epos el)))
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223 (error "Current element has some tag inside an entity reference"))
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224 (goto-char (sgml-element-etag-start el))
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225 (delete-char (sgml-element-etag-len el))
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226 (goto-char (sgml-element-start el))
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227 (delete-char (sgml-element-stag-len el))))
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228
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229 (defun sgml-kill-markup ()
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230 "Kill next tag, markup declaration or process instruction."
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231 (interactive "*")
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232 (let ((start (point)))
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233 (sgml-with-parser-syntax
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234 (sgml-parse-s)
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235 (setq sgml-markup-start (point))
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236 (cond ((sgml-parse-markup-declaration 'ignore))
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237 ((sgml-parse-processing-instruction))
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238 ((sgml-skip-tag)))
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239 (kill-region start (point)))))
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240
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241
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242 ;;;; SGML mode: folding
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243
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244 (defun sgml-fold-region (beg end &optional unhide)
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245 "Hide (or if prefixarg unhide) region.
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246 If called from a program first two arguments are start and end of
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247 region. And optional third argument true unhides."
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248 (interactive "r\nP")
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249 (let ((mp (buffer-modified-p))
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250 (inhibit-read-only t) ;
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251 (buffer-read-only nil) ; should not need this, but
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252 ; perhaps some old version of
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253 ; emacs does not understand
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254 ; inhibit-read-only
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255 (before-change-function nil)
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256 (after-change-function nil))
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257 (setq selective-display t)
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258 (unwind-protect
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259 (subst-char-in-region beg end
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260 (if unhide ?\r ?\n)
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261 (if unhide ?\n ?\r)
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262 'noundo)
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263 (when sgml-buggy-subst-char-in-region
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264 (set-buffer-modified-p mp)))))
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265
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266 (defun sgml-fold-element ()
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267 "Fold the lines comprising the current element, leaving the first line visible.
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268 This uses the selective display feature."
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269 (interactive)
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270 (sgml-parse-to-here)
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271 (cond ((and (eq sgml-current-tree sgml-top-tree) ; outside document element
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272 sgml-markup-type)
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273 (sgml-fold-region sgml-markup-start
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274 (save-excursion
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275 (sgml-parse-to (point))
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276 (point))))
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277 ((and (eq sgml-current-tree sgml-top-tree) ; outside document element
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278 (looking-at " *<!"))
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279 (sgml-fold-region (point)
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280 (save-excursion
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281 (skip-chars-forward " \t")
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282 (sgml-parse-to (1+ (point)))
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283 (point))))
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284
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285 (t
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286 (let ((el (sgml-find-element-of (point))))
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287 (when (eq el sgml-top-tree)
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288 (error "No element here"))
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289 (save-excursion
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290 (goto-char (sgml-element-end el))
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291 (when (zerop (sgml-element-etag-len el))
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292 (skip-chars-backward " \t\n"))
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293 (sgml-fold-region (sgml-element-start el)
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294 (point)))))))
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295
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296 (defun sgml-fold-subelement ()
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297 "Fold all elements current elements content, leaving the first lines visible.
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298 This uses the selective display feature."
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299 (interactive)
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300 (let* ((el (sgml-find-element-of (point)))
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301 (start (sgml-element-start el))
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302 (end (sgml-element-end el))
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303 (c (sgml-element-content el)))
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304 (while c
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305 (sgml-fold-region (sgml-element-start c)
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306 (sgml-element-end c))
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307 (setq c (sgml-element-next c)))))
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308
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309 (defun sgml-unfold-line ()
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310 "Show hidden lines in current line."
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311 (interactive)
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312 (let ((op (point)))
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313 (beginning-of-line)
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314 (push-mark)
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315 (end-of-line)
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316 (exchange-point-and-mark)
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317 (sgml-fold-region (point) (mark) 'unhide)
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318 (goto-char op)))
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319
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320 (defun sgml-unfold-element ()
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321 "Show all hidden lines in current element."
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322 (interactive)
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323 (let* ((element (sgml-find-element-of (point))))
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324 (sgml-fold-region (sgml-element-start element)
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325 (sgml-element-end element)
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326 'unfold)))
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327
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328 (defun sgml-expand-element ()
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329 "As sgml-fold-subelement, but unfold first."
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330 (interactive)
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331 (sgml-unfold-element)
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332 (sgml-fold-subelement))
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333
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334 (defun sgml-unfold-all ()
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335 "Show all hidden lines in buffer."
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336 (interactive)
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337 (sgml-fold-region (point-min)
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338 (point-max)
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339 'unfold))
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340
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341 ;;;; SGML mode: indentation and movement
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342
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343 (defun sgml-indent-line (&optional col element)
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344 "Indent line, calling parser to determine level unless COL or ELEMENT
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345 is given. If COL is given it should be the column to indent to. If
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346 ELEMENT is given it should be a parse tree node, from which the level
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347 is determined."
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348 (when sgml-indent-step
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349 (let ((here (point-marker)))
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350 (back-to-indentation)
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351 (unless (or col element)
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352 ;; Determine element
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353 (setq element
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354 (let ((sgml-throw-on-error 'parse-error))
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355 (catch sgml-throw-on-error
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356 (if (eobp)
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357 (sgml-find-context-of (point))
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358 (sgml-find-element-of (point)))))))
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359 (when (eq element sgml-top-tree) ; not in a element at all
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360 (setq element nil) ; forget element
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361 (goto-char here)) ; insert normal tab insted)
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362 (when element
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363 (sgml-with-parser-syntax
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364 (let ((stag (sgml-is-start-tag))
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365 (etag (sgml-is-end-tag)))
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366 (when (and
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367 (not (member* (sgml-element-gi
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368 (if (or stag etag)
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369 (sgml-element-parent element)
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370 element))
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371 sgml-inhibit-indent-tags
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372 :test #'equalp))
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373 (or sgml-indent-data
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374 (not (sgml-element-data-p
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375 (if stag
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|
376 (sgml-element-parent element)
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|
|
377 element)))))
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|
|
378 (setq col
|
|
|
379 (* sgml-indent-step
|
|
|
380 (+ (if (or stag etag) -1 0)
|
|
|
381 (sgml-element-level element))))))))
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|
|
382 (when (and col (/= col (current-column)))
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|
|
383 (beginning-of-line 1)
|
|
|
384 (delete-horizontal-space)
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|
|
385 (indent-to col))
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|
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386 (when (< (point) here)
|
|
|
387 (goto-char here))
|
|
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388 col)))
|
|
|
389
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|
|
390 (defun sgml-next-data-field ()
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|
391 "Move forward to next point where data is allowed."
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|
392 (interactive)
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|
393 (when (eobp)
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394 (error "End of buffer"))
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395 (let ((sgml-throw-on-warning 'next-data)
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|
396 (avoid-el (sgml-last-element)))
|
|
|
397 ;; Avoid stopping in current element, unless point is in the start
|
|
|
398 ;; tag of the element
|
|
|
399 (when (< (point) (sgml-element-stag-end avoid-el))
|
|
|
400 (setq avoid-el nil))
|
|
|
401 (catch sgml-throw-on-warning
|
|
|
402 (while (progn
|
|
|
403 (sgml-parse-to (1+ (point)))
|
|
|
404 (setq sgml-last-element
|
|
|
405 (if (not (eq ?< (following-char)))
|
|
|
406 (sgml-find-element-of (point))
|
|
|
407 sgml-current-tree))
|
|
|
408 (or (eq sgml-last-element avoid-el)
|
|
|
409 (not (sgml-element-data-p sgml-last-element)))))
|
|
|
410 (sgml-set-last-element))))
|
|
|
411
|
|
|
412 (defun sgml-next-trouble-spot ()
|
|
|
413 "Move forward to next point where something is amiss with the structure."
|
|
|
414 (interactive)
|
|
|
415 (push-mark)
|
|
|
416 (sgml-note-change-at (point)) ; Prune the parse tree
|
|
|
417 (sgml-parse-to (point))
|
|
|
418 (let ((sgml-last-trouble-spot (point))
|
|
|
419 (sgml-throw-on-warning 'trouble))
|
|
|
420 (or (catch sgml-throw-on-warning
|
|
|
421 (sgml-parse-until-end-of nil t))
|
|
|
422 (message "Ok"))))
|
|
|
423
|
|
|
424
|
|
|
425
|
|
|
426 ;;;; SGML mode: information display
|
|
|
427
|
|
|
428 (defun sgml-list-valid-tags ()
|
|
|
429 "Display a list of the contextually valid tags."
|
|
|
430 (interactive)
|
|
|
431 (sgml-parse-to-here)
|
|
|
432 (let ((model (sgml-element-model sgml-current-tree)))
|
|
|
433 (with-output-to-temp-buffer "*Tags*"
|
|
|
434 (princ (format "Current element: %s %s\n"
|
|
|
435 (sgml-element-name sgml-current-tree)
|
|
|
436 (if (sgml-eltype-defined
|
|
|
437 (sgml-element-eltype sgml-current-tree))
|
|
|
438 ""
|
|
|
439 "[UNDEFINED]")))
|
|
|
440 (princ (format "Element content: %s %s\n"
|
|
|
441 (cond ((or (sgml-current-mixed-p) (eq model sgml-any))
|
|
|
442 "mixed")
|
|
|
443 ((sgml-model-group-p model)
|
|
|
444 "element")
|
|
|
445 (t
|
|
|
446 model))
|
|
|
447 (if (eq model sgml-any)
|
|
|
448 "[ANY]" "")))
|
|
|
449
|
|
|
450 (cond ((sgml-final-p sgml-current-state)
|
|
|
451 (princ "Valid end-tags : ")
|
|
|
452 (loop for e in (sgml-current-list-of-endable-eltypes)
|
|
|
453 do (princ (sgml-end-tag-of e)) (princ " "))
|
|
|
454 (terpri))
|
|
|
455 (t
|
|
|
456 (princ "Current element can not end here\n")))
|
|
|
457 ;;; (let ((s (sgml-tree-shortmap sgml-current-tree)))
|
|
|
458 ;;; (when s
|
|
|
459 ;;; (princ (format "Current shortref map: %s\n" s))))
|
|
|
460 (princ "Valid start-tags\n")
|
|
|
461 (sgml-print-valid-tags "In current element:"
|
|
|
462 sgml-current-tree sgml-current-state))))
|
|
|
463
|
|
|
464 (defun sgml-print-valid-tags (prompt tree state &optional exclude omitted-stag)
|
|
|
465 (if (not (sgml-model-group-p state))
|
|
|
466 (princ (format "%s (in %s)\n" prompt state))
|
|
|
467 (let* ((req (sgml-required-tokens state))
|
|
|
468 (elems (nconc req
|
|
|
469 (delq sgml-pcdata-token
|
|
|
470 (sgml-optional-tokens state))))
|
|
|
471 (in (sgml-tree-includes tree))
|
|
|
472 (ex (append exclude (sgml-tree-excludes tree))))
|
|
|
473 ;; Modify for exceptions
|
|
|
474 (while in
|
|
|
475 (unless (memq (car in) elems)
|
|
|
476 (setq elems (nconc elems (list (car in)))))
|
|
|
477 (setq in (cdr in)))
|
|
|
478 (while ex
|
|
|
479 (setq elems (delq (car ex) elems))
|
|
|
480 (setq ex (cdr ex)))
|
|
|
481 ;;
|
|
|
482 (setq elems (sort elems (function string-lessp)))
|
|
|
483 (sgml-print-list-of-tags prompt elems)
|
|
|
484 ;; Check for omissable start-tags
|
|
|
485 (when (and req (null (cdr req)))
|
|
|
486 ;; *** Assumes tokens are eltypes
|
|
|
487 (let ((el (sgml-fake-open-element tree (car req))))
|
|
|
488 (when (sgml-element-stag-optional el)
|
|
|
489 (sgml-print-valid-tags
|
|
|
490 (format "If omitting %s:" (sgml-start-tag-of el))
|
|
|
491 el
|
|
|
492 (sgml-element-model el)
|
|
|
493 (append exclude elems)
|
|
|
494 'omitted-stag))))
|
|
|
495 ;; Check for omissable end-tag
|
|
|
496 (when (and (not omitted-stag)
|
|
|
497 (sgml-final-p state)
|
|
|
498 (sgml-element-etag-optional tree))
|
|
|
499 (sgml-print-valid-tags
|
|
|
500 (format "If omitting %s:" (sgml-end-tag-of tree))
|
|
|
501 (sgml-element-parent tree)
|
|
|
502 (sgml-element-pstate tree)
|
|
|
503 (append exclude elems))))))
|
|
|
504
|
|
|
505 (defun sgml-print-list-of-tags (prompt list)
|
|
|
506 (when list
|
|
|
507 (princ prompt)
|
|
|
508 (let ((col (length prompt))
|
|
|
509 (w (1- (frame-width))))
|
|
|
510 (loop for e in list
|
|
|
511 as str = (sgml-start-tag-of e)
|
|
|
512 do
|
|
|
513 (setq col (+ col (length str) 2))
|
|
|
514 (cond ((>= col w)
|
|
|
515 (setq col (+ (length str) 2))
|
|
|
516 (terpri)))
|
|
|
517 (princ " ")
|
|
|
518 (princ str))
|
|
|
519 (terpri))))
|
|
|
520
|
|
|
521 (defun sgml-show-context (&optional element)
|
|
|
522 "Display where the cursor is in the element hierarchy."
|
|
|
523 (interactive)
|
|
|
524 (let* ((el (or element (sgml-last-element)))
|
|
|
525 (model (sgml-element-model el)))
|
|
|
526 (sgml-message "%s %s"
|
|
|
527 (cond
|
|
|
528 ((and (null element) ; Don't trust sgml-markup-type if
|
|
|
529 ; explicit element is given as argument
|
|
|
530 sgml-markup-type))
|
|
|
531 ((sgml-element-mixed el)
|
|
|
532 "#PCDATA")
|
|
|
533 ((not (sgml-model-group-p model))
|
|
|
534 model)
|
|
|
535 (t ""))
|
|
|
536 (if (eq el sgml-top-tree)
|
|
|
537 "in empty context"
|
|
|
538 (sgml-element-context-string el)))))
|
|
|
539
|
|
|
540 (defun sgml-what-element ()
|
|
|
541 "Display what element is under the cursor."
|
|
|
542 (interactive)
|
|
|
543 (let ((el (sgml-find-element-of (point))))
|
|
|
544 (assert (not (null el)))
|
|
|
545 (message "%s %s"
|
|
|
546 (cond ((eq el sgml-top-tree)
|
|
|
547 "outside document element")
|
|
|
548 ((< (point) (sgml-element-stag-end el))
|
|
|
549 "start-tag")
|
|
|
550 ((>= (point) (sgml-element-etag-start el))
|
|
|
551 "end-tag")
|
|
|
552 (t
|
|
|
553 "content"))
|
|
|
554 (sgml-element-context-string el))))
|
|
|
555
|
|
|
556 ;;;; SGML mode: keyboard inserting
|
|
|
557
|
|
|
558 (defun sgml-insert-tag (tag &optional silent no-nl-after)
|
|
|
559 "Insert a tag, reading tag name in minibuffer with completion.
|
|
|
560 If the variable sgml-balanced-tag-edit is t, also inserts the
|
|
|
561 corresponding end tag. If sgml-leave-point-after-insert is t, the point
|
|
|
562 is left after the inserted tag(s), unless the element has som required
|
|
|
563 content. If sgml-leave-point-after-insert is nil the point is left
|
|
|
564 after the first tag inserted."
|
|
|
565 (interactive
|
|
|
566 (list
|
|
|
567 (completing-read "Tag: " (sgml-completion-table) nil t "<" )))
|
|
|
568 (sgml-find-context-of (point))
|
|
|
569 (assert (null sgml-markup-type))
|
|
|
570 ;; Fix white-space before tag
|
|
|
571 (unless (sgml-element-data-p (sgml-parse-to-here))
|
|
|
572 (skip-chars-backward " \t")
|
|
|
573 (cond ((bolp)
|
|
|
574 (if (looking-at "^\\s-*$")
|
|
|
575 (fixup-whitespace)))
|
|
|
576 (t
|
|
|
577 (insert "\n"))))
|
|
|
578 (insert tag)
|
|
|
579 (sgml-indent-line)
|
|
|
580 (unless no-nl-after
|
|
|
581 (save-excursion
|
|
|
582 (unless (sgml-element-data-p (sgml-parse-to-here))
|
|
|
583 (unless (eolp)
|
|
|
584 (save-excursion (insert "\n"))))))
|
|
|
585 (or silent (sgml-show-context)))
|
|
|
586
|
|
|
587 (defvar sgml-new-attribute-list-function
|
|
|
588 (function sgml-default-asl))
|
|
|
589
|
|
|
590 (defun sgml-insert-element (name &optional after silent)
|
|
|
591 "Reads element name from minibuffer and inserts start and end tags."
|
|
|
592 (interactive (list (sgml-read-element-name "Element: ")
|
|
|
593 sgml-leave-point-after-insert))
|
|
|
594 (let (newpos ; position to leave cursor at
|
|
|
595 element ; inserted element
|
|
|
596 (sgml-show-warnings nil))
|
|
|
597 (when (and name (not (equal name "")))
|
|
|
598 (sgml-insert-tag (sgml-start-tag-of name) 'silent)
|
|
|
599 (forward-char -1)
|
|
|
600 (setq element (sgml-find-element-of (point)))
|
|
|
601 (sgml-insert-attributes (funcall sgml-new-attribute-list-function
|
|
|
602 element)
|
|
|
603 (sgml-element-attlist element))
|
|
|
604 (forward-char 1)
|
|
|
605 (when (not (sgml-element-empty element))
|
|
|
606 (when (and sgml-auto-insert-required-elements
|
|
|
607 (sgml-model-group-p sgml-current-state))
|
|
|
608 (let (tem)
|
|
|
609 (while (and (setq tem (sgml-required-tokens sgml-current-state))
|
|
|
610 (null (cdr tem)))
|
|
|
611 (setq tem (sgml-insert-element (car tem) t t))
|
|
|
612 (setq newpos (or newpos tem))
|
|
|
613 (sgml-parse-to-here))
|
|
|
614 (when tem ; more than one req elem
|
|
|
615 (insert "\n")
|
|
|
616 (when sgml-insert-missing-element-comment
|
|
|
617 (insert (format "<!-- one of %s -->" tem))
|
|
|
618 (sgml-indent-line nil element)))))
|
|
|
619 (setq newpos (or newpos (point)))
|
|
|
620 (when sgml-insert-end-tag-on-new-line
|
|
|
621 (insert "\n"))
|
|
|
622 (sgml-insert-tag (sgml-end-tag-of name) 'silent)
|
|
|
623 (unless after
|
|
|
624 (goto-char newpos))
|
|
|
625 (unless silent (sgml-show-context)))
|
|
|
626 newpos)))
|
|
|
627
|
|
|
628 (defun sgml-default-asl (element)
|
|
|
629 (loop for attdecl in (sgml-element-attlist element)
|
|
|
630 when (sgml-default-value-type-p (sgml-attdecl-default-value attdecl)
|
|
|
631 'required)
|
|
|
632 collect
|
|
|
633 (sgml-make-attspec
|
|
|
634 (sgml-attdecl-name attdecl)
|
|
|
635 (sgml-read-attribute-value attdecl nil))))
|
|
|
636
|
|
|
637 (defun sgml-tag-region (element start end)
|
|
|
638 "Reads element name from minibuffer and inserts start and end tags."
|
|
|
639 (interactive
|
|
|
640 (list
|
|
|
641 (save-excursion (goto-char (region-beginning))
|
|
|
642 (sgml-read-element-name "Tag region with element: "))
|
|
|
643 (region-beginning)
|
|
|
644 (region-end)))
|
|
|
645 (save-excursion
|
|
|
646 (when (and element (not (equal element "")))
|
|
|
647 (goto-char end)
|
|
|
648 (insert (sgml-end-tag-of element))
|
|
|
649 (goto-char start)
|
|
|
650 (sgml-insert-tag (sgml-start-tag-of element)))))
|
|
|
651
|
|
|
652 (defun sgml-insert-attributes (avl attlist)
|
|
|
653 "Insert the attributes with values AVL and declarations ATTLIST.
|
|
|
654 AVL should be a assoc list mapping symbols to strings."
|
|
|
655 (let (name val dcl def tem)
|
|
|
656 (loop for attspec in attlist do
|
|
|
657 (setq name (sgml-attspec-name attspec)
|
|
|
658 val (cdr-safe (sgml-lookup-attspec name avl))
|
|
|
659 dcl (sgml-attdecl-declared-value attspec)
|
|
|
660 def (sgml-attdecl-default-value attspec))
|
|
|
661 (unless val ; no value given
|
|
|
662 ;; Supply the default value if a value is needed
|
|
|
663 (cond ((sgml-default-value-type-p 'required def)
|
|
|
664 (setq val ""))
|
|
|
665 ((and (not (or sgml-omittag sgml-shorttag))
|
|
|
666 (consp def))
|
|
|
667 (setq val (sgml-default-value-attval def)))))
|
|
|
668 (cond
|
|
|
669 ((null val)) ; Ignore
|
|
|
670 ;; Ignore attributes with default value
|
|
|
671 ((and (consp def)
|
|
|
672 (eq sgml-minimize-attributes 'max)
|
|
|
673 (or sgml-omittag sgml-shorttag)
|
|
|
674 (equal val (sgml-default-value-attval def))))
|
|
|
675 ;; No attribute name for token groups
|
|
|
676 ((and sgml-minimize-attributes sgml-shorttag
|
|
|
677 (member (sgml-general-case val)
|
|
|
678 (sgml-declared-value-token-group dcl)))
|
|
|
679 (insert " " val))
|
|
|
680 (t
|
|
|
681 (insert " " name "=" (sgml-quote-attribute-value val)))))
|
|
|
682 (when auto-fill-function
|
|
|
683 (funcall auto-fill-function))))
|
|
|
684
|
|
|
685
|
|
|
686 (defun sgml-quote-attribute-value (value)
|
|
|
687 "Add quotes to the string VALUE unless minimization is on."
|
|
|
688 (let ((quote ""))
|
|
|
689 (cond ((and (not sgml-always-quote-attributes)
|
|
|
690 sgml-shorttag
|
|
|
691 (string-match "\\`[.A-Za-z0-9---]+\\'" value))
|
|
|
692 ) ; no need to quote
|
|
|
693 ((not (string-match "\"" value)) ; can use "" quotes
|
|
|
694 (setq quote "\""))
|
|
|
695 (t ; use '' quotes
|
|
|
696 (setq quote "'")))
|
|
|
697 (concat quote value quote)))
|
|
|
698
|
|
|
699 (defun sgml-completion-table (&optional avoid-tags-in-cdata)
|
|
|
700 (sgml-parse-to-here)
|
|
|
701 (when sgml-markup-type
|
|
|
702 (error "No tags allowed"))
|
|
|
703 (cond ((or (sgml-model-group-p sgml-current-state)
|
|
|
704 (eq sgml-current-state sgml-any))
|
|
|
705 (append
|
|
|
706 (mapcar (function (lambda (x) (cons (sgml-end-tag-of x) x)))
|
|
|
707 (sgml-current-list-of-endable-eltypes))
|
|
|
708 (mapcar (function (lambda (x) (cons (sgml-start-tag-of x) x)))
|
|
|
709 (sgml-current-list-of-valid-eltypes))))
|
|
|
710 (t
|
|
|
711 (sgml-message "%s" sgml-current-state)
|
|
|
712 nil)))
|
|
|
713
|
|
|
714 (defun sgml-insert-end-tag ()
|
|
|
715 "Insert end-tag for the current open element."
|
|
|
716 (interactive "*")
|
|
|
717 (sgml-parse-to-here)
|
|
|
718 (cond
|
|
|
719 ((eq sgml-current-tree sgml-top-tree)
|
|
|
720 (sgml-error "No open element"))
|
|
|
721 ((not (sgml-final-p sgml-current-state))
|
|
|
722 (sgml-error "Can`t end element here"))
|
|
|
723 (t
|
|
|
724 (when (and sgml-indent-step
|
|
|
725 (not (sgml-element-data-p sgml-current-tree)))
|
|
|
726 (delete-horizontal-space)
|
|
|
727 (unless (bolp)
|
|
|
728 (insert "\n")))
|
|
|
729 (when (prog1 (bolp)
|
|
|
730 (insert (if (eq t (sgml-element-net-enabled sgml-current-tree))
|
|
|
731 "/"
|
|
|
732 ;; wing change: If there is more than one endable
|
|
|
733 ;; tag, we probably want the outermost one rather
|
|
|
734 ;; than the innermost one. Thus, we end a </ul>
|
|
|
735 ;; even when a </li> is possible.
|
|
|
736 (sgml-end-tag-of
|
|
|
737 (car (last (sgml-current-list-of-endable-eltypes)))))))
|
|
|
738 (sgml-indent-line)))))
|
|
|
739
|
|
|
740 (defun sgml-insert-start-tag (name asl attlist &optional net)
|
|
|
741 (insert "<" name)
|
|
|
742 (sgml-insert-attributes asl attlist)
|
|
|
743 (insert (if net "/" ">")))
|
|
|
744
|
|
|
745 (defun sgml-change-start-tag (element asl)
|
|
|
746 (let ((name (sgml-element-gi element))
|
|
|
747 (attlist (sgml-element-attlist element)))
|
|
|
748 (assert (sgml-bpos-p (sgml-element-stag-epos element)))
|
|
|
749 (goto-char (sgml-element-start element))
|
|
|
750 (delete-char (sgml-element-stag-len element))
|
|
|
751 (sgml-insert-start-tag name asl attlist
|
|
|
752 (eq t (sgml-element-net-enabled element)))))
|
|
|
753
|
|
|
754 (defun sgml-read-attribute-value (attdecl curvalue)
|
|
|
755 "Return the attribute value read from user.
|
|
|
756 ATTDECL is the attribute declaration for the attribute to read.
|
|
|
757 CURVALUE is nil or a string that will be used as default value."
|
|
|
758 (assert attdecl)
|
|
|
759 (let* ((name (sgml-attdecl-name attdecl))
|
|
|
760 (dv (sgml-attdecl-declared-value attdecl))
|
|
|
761 (tokens (sgml-declared-value-token-group dv))
|
|
|
762 (notations (sgml-declared-value-notation dv))
|
|
|
763 (type (cond (tokens "token")
|
|
|
764 (notations "notation")
|
|
|
765 (t (symbol-name dv))))
|
|
|
766 (prompt
|
|
|
767 (format "Value for %s (%s%s): "
|
|
|
768 name type
|
|
|
769 (if curvalue
|
|
|
770 (format " Default: %s" curvalue)
|
|
|
771 "")))
|
|
|
772 value)
|
|
|
773 (setq value
|
|
|
774 (if (or tokens notations)
|
|
|
775 (completing-read prompt
|
|
|
776 (mapcar 'list (or tokens notations))
|
|
|
777 nil t)
|
|
|
778 (read-string prompt)))
|
|
|
779 (if (and curvalue (equal value ""))
|
|
|
780 curvalue value)))
|
|
|
781
|
|
|
782 (defun sgml-non-fixed-attributes (attlist)
|
|
|
783 (loop for attdecl in attlist
|
|
|
784 unless (sgml-default-value-type-p 'fixed
|
|
|
785 (sgml-attdecl-default-value attdecl))
|
|
|
786 collect attdecl))
|
|
|
787
|
|
|
788 (defun sgml-insert-attribute (name value)
|
|
|
789 "Read attribute name and value from minibuffer and insert attribute spec."
|
|
|
790 (interactive
|
|
|
791 (let* ((el (sgml-find-attribute-element))
|
|
|
792 (name
|
|
|
793 (completing-read
|
|
|
794 "Attribute name: "
|
|
|
795 (mapcar (function (lambda (a) (list (sgml-attdecl-name a))))
|
|
|
796 (sgml-non-fixed-attributes (sgml-element-attlist el)))
|
|
|
797 nil t)))
|
|
|
798 (list name
|
|
|
799 (sgml-read-attribute-value
|
|
|
800 (sgml-lookup-attdecl name (sgml-element-attlist el))
|
|
|
801 (sgml-element-attval el name)))))
|
|
|
802 ;; Body
|
|
|
803 (assert (stringp name))
|
|
|
804 (assert (or (null value) (stringp value)))
|
|
|
805 (let* ((el (sgml-find-attribute-element))
|
|
|
806 (asl (cons (sgml-make-attspec name value)
|
|
|
807 (sgml-element-attribute-specification-list el)))
|
|
|
808 (in-tag (< (point) (sgml-element-stag-end el))))
|
|
|
809 (sgml-change-start-tag el asl)
|
|
|
810 (when in-tag (forward-char -1))))
|
|
|
811
|
|
|
812 (defun sgml-split-element ()
|
|
|
813 "Split the current element at point.
|
|
|
814 If repeated, the containing element will be split before the beginning
|
|
|
815 of then current element."
|
|
|
816 (interactive "*")
|
|
|
817 (setq sgml-split-level
|
|
|
818 (if (eq this-command last-command)
|
|
|
819 (1+ sgml-split-level)
|
|
|
820 0))
|
|
|
821 (let ((u (sgml-find-context-of (point)))
|
|
|
822 (start (point-marker))
|
|
|
823 before)
|
|
|
824 (loop repeat sgml-split-level do
|
|
|
825 (goto-char (sgml-element-start u))
|
|
|
826 (setq u (sgml-element-parent u)))
|
|
|
827 ;; Verify that a new element can be started
|
|
|
828 (unless (and (sgml-element-pstate u) ; in case of top element
|
|
|
829 (sgml-get-move (sgml-element-pstate u)
|
|
|
830 (sgml-element-name u)))
|
|
|
831
|
|
|
832 (sgml-error "The %s element can't be split"
|
|
|
833 (sgml-element-name u)))
|
|
|
834 ;; Do the split
|
|
|
835 (sgml-insert-end-tag)
|
|
|
836 (sgml-insert-tag (sgml-start-tag-of u) 'silent)
|
|
|
837 (skip-chars-forward " \t\n")
|
|
|
838 (sgml-indent-line)
|
|
|
839 (when (> sgml-split-level 0)
|
|
|
840 (goto-char start))
|
|
|
841 (or (eq sgml-top-tree
|
|
|
842 (setq u (sgml-element-parent u)))
|
|
|
843 (sgml-message
|
|
|
844 "Repeat the command to split the containing %s element"
|
|
|
845 (sgml-element-name u)))))
|
|
|
846
|
|
|
847 ;;; David Megginson's custom menus for keys
|
|
|
848
|
|
|
849 (defun sgml-custom-dtd (doctype)
|
|
|
850 "Insert a DTD declaration from the sgml-custom-dtd alist."
|
|
|
851 (interactive
|
|
|
852 (list (completing-read "Insert DTD: " sgml-custom-dtd nil t)))
|
|
|
853 (let ((entry (assoc doctype sgml-custom-dtd)))
|
|
|
854 (sgml-doctype-insert (second entry) (cddr entry))))
|
|
|
855
|
|
|
856 (defun sgml-custom-markup (markup)
|
|
|
857 "Insert markup from the sgml-custom-markup alist."
|
|
|
858 (interactive
|
|
|
859 (list (completing-read "Insert Markup: " sgml-custom-markup nil t)))
|
|
|
860 (sgml-insert-markup (cadr (assoc markup sgml-custom-markup))))
|
|
|
861
|
|
|
862
|
|
|
863 ;;;; SGML mode: Menu inserting
|
|
|
864
|
|
|
865 (defun sgml-tags-menu (event)
|
|
|
866 "Pop up a menu with valid tags and insert the choosen tag.
|
|
|
867 If the variable sgml-balanced-tag-edit is t, also inserts the
|
|
|
868 corresponding end tag. If sgml-leave-point-after-insert is t, the point
|
|
|
869 is left after the inserted tag(s), unless the element has som required
|
|
|
870 content. If sgml-leave-point-after-insert is nil the point is left
|
|
|
871 after the first tag inserted."
|
|
|
872 (interactive "*e")
|
|
|
873 (let ((end (sgml-mouse-region)))
|
|
|
874 (sgml-parse-to-here)
|
|
|
875 (cond
|
|
|
876 ((eq sgml-markup-type 'start-tag)
|
|
|
877 (sgml-attrib-menu event))
|
|
|
878 (t
|
|
|
879 (let ((what
|
|
|
880 (sgml-menu-ask event (if (or end sgml-balanced-tag-edit)
|
|
|
881 'element 'tags))))
|
|
|
882 (cond
|
|
|
883 ((null what))
|
|
|
884 (end
|
|
|
885 (sgml-tag-region what (point) end))
|
|
|
886 (sgml-balanced-tag-edit
|
|
|
887 (sgml-insert-element what))
|
|
|
888 (t
|
|
|
889 (sgml-insert-tag what))))))))
|
|
|
890
|
|
|
891 (defun sgml-element-menu (event)
|
|
|
892 "Pop up a menu with valid elements and insert choice.
|
|
|
893 If sgml-leave-point-after-insert is nil the point is left after the first
|
|
|
894 tag inserted."
|
|
|
895 (interactive "*e")
|
|
|
896 (let ((what (sgml-menu-ask event 'element)))
|
|
|
897 (and what (sgml-insert-element what))))
|
|
|
898
|
|
|
899 (defun sgml-start-tag-menu (event)
|
|
|
900 "Pop up a menu with valid start-tags and insert choice."
|
|
|
901 (interactive "*e")
|
|
|
902 (let ((what (sgml-menu-ask event 'start-tag)))
|
|
|
903 (and what (sgml-insert-tag what))))
|
|
|
904
|
|
|
905 (defun sgml-end-tag-menu (event)
|
|
|
906 "Pop up a menu with valid end-tags and insert choice."
|
|
|
907 (interactive "*e")
|
|
|
908 (let ((what (sgml-menu-ask event 'end-tag)))
|
|
|
909 (and what (sgml-insert-tag what))))
|
|
|
910
|
|
|
911 (defun sgml-tag-region-menu (event)
|
|
|
912 "Pop up a menu with valid elements and tag current region with the choice."
|
|
|
913 (interactive "*e")
|
|
|
914 (let ((what (sgml-menu-ask event 'element)))
|
|
|
915 (and what (sgml-tag-region what
|
|
|
916 (region-beginning)
|
|
|
917 (region-end)))))
|
|
|
918
|
|
|
919 (defun sgml-menu-ask (event type)
|
|
|
920 (sgml-parse-to-here)
|
|
|
921 (let (tab
|
|
|
922 (title (capitalize (symbol-name type))))
|
|
|
923 (cond
|
|
|
924 (sgml-markup-type)
|
|
|
925 ((eq type 'element)
|
|
|
926 (setq tab
|
|
|
927 (mapcar (function symbol-name)
|
|
|
928 (sgml-current-list-of-valid-eltypes))))
|
|
|
929 (t
|
|
|
930 (unless (eq type 'start-tag)
|
|
|
931 (setq tab
|
|
|
932 (mapcar (function sgml-end-tag-of)
|
|
|
933 (sgml-current-list-of-endable-eltypes))))
|
|
|
934 (unless (eq type 'end-tag)
|
|
|
935 (setq tab
|
|
|
936 (nconc tab
|
|
|
937 (mapcar (function sgml-start-tag-of)
|
|
|
938 (sgml-current-list-of-valid-eltypes)))))))
|
|
|
939 (or tab
|
|
|
940 (error "No valid %s at this point" type))
|
|
|
941 (or
|
|
|
942 (sgml-popup-menu event
|
|
|
943 title
|
|
|
944 (mapcar (function (lambda (x) (cons x x)))
|
|
|
945 tab))
|
|
|
946 (message nil))))
|
|
|
947
|
|
|
948 (defun sgml-entities-menu (event)
|
|
|
949 (interactive "*e")
|
|
|
950 (sgml-need-dtd)
|
|
|
951 (let ((menu
|
|
|
952 (mapcar (function (lambda (x) (cons x x)))
|
|
|
953 (sort (sgml-map-entities (function sgml-entity-name)
|
|
|
954 (sgml-dtd-entities sgml-dtd-info)
|
|
|
955 t)
|
|
|
956 (function string-lessp))))
|
|
|
957 choice)
|
|
|
958 (unless menu
|
|
|
959 (error "No entities defined"))
|
|
|
960 (setq choice (sgml-popup-menu event "Entities" menu))
|
|
|
961 (when choice
|
|
|
962 (insert "&" choice ";"))))
|
|
|
963
|
|
|
964 (defun sgml-doctype-insert (doctype vars)
|
|
|
965 "Insert string DOCTYPE (ignored if nil) and set variables in &rest VARS.
|
|
|
966 VARS should be a list of variables and values.
|
|
|
967 For backward compatibility a singel string instead of a variable is
|
|
|
968 assigned to sgml-default-dtd-file.
|
|
|
969 All variables are made buffer local and are also added to the
|
|
|
970 buffers local variables list."
|
|
|
971 (when doctype
|
|
|
972 (unless (bolp)
|
|
|
973 (insert "\n"))
|
|
|
974 (unless (eolp)
|
|
|
975 (insert "\n")
|
|
|
976 (forward-char -1))
|
|
|
977 (sgml-insert-markup doctype))
|
|
|
978 (while vars
|
|
|
979 (cond ((stringp (car vars))
|
|
|
980 (sgml-set-local-variable 'sgml-default-dtd-file (car vars))
|
|
|
981 (setq vars (cdr vars)))
|
|
|
982 ((car vars) ; Avoid nil
|
|
|
983 (sgml-set-local-variable (car vars) (cadr vars))
|
|
|
984 (setq vars (cddr vars)))))
|
|
|
985 (setq sgml-top-tree nil))
|
|
|
986
|
|
|
987 (defun sgml-attrib-menu (event)
|
|
|
988 "Pop up a menu of the attributes of the current element
|
|
|
989 \(or the element whith start-tag before point)."
|
|
|
990 (interactive "e")
|
|
|
991 (let* ((el (sgml-find-attribute-element))
|
|
|
992 (attlist (sgml-non-fixed-attributes (sgml-element-attlist el)))
|
|
|
993 tokens menu other)
|
|
|
994 (or attlist
|
|
|
995 (error "No non-fixed attributes for element"))
|
|
|
996 (setq menu
|
|
|
997 (loop for attdecl in attlist
|
|
|
998 for name = (sgml-attdecl-name attdecl)
|
|
|
999 for defval = (sgml-attdecl-default-value attdecl)
|
|
|
1000 for tokens = (or (sgml-declared-value-token-group
|
|
|
1001 (sgml-attdecl-declared-value attdecl))
|
|
|
1002 (sgml-declared-value-notation
|
|
|
1003 (sgml-attdecl-declared-value attdecl)))
|
|
|
1004 collect
|
|
|
1005 (cons
|
|
|
1006 (sgml-attdecl-name attdecl)
|
|
|
1007 (nconc
|
|
|
1008 (if tokens
|
|
|
1009 (loop for val in tokens collect
|
|
|
1010 (list val
|
|
|
1011 (list 'sgml-insert-attribute name val)))
|
|
|
1012 (list
|
|
|
1013 (list "Set attribute value"
|
|
|
1014 (list 'sgml-insert-attribute
|
|
|
1015 (sgml-attdecl-name attdecl)
|
|
|
1016 (list 'sgml-read-attribute-value
|
|
|
1017 (list 'quote attdecl)
|
|
|
1018 (sgml-element-attval el name))))))
|
|
|
1019 (if (sgml-default-value-type-p 'required defval)
|
|
|
1020 nil
|
|
|
1021 (list "--"
|
|
|
1022 (list (if (sgml-default-value-type-p nil defval)
|
|
|
1023 (format "Default: %s"
|
|
|
1024 (sgml-default-value-attval defval))
|
|
|
1025 "#IMPLIED")
|
|
|
1026 (list 'sgml-insert-attribute name nil))))))))
|
|
|
1027 (sgml-popup-multi-menu event "Attributes" menu)))
|
|
|
1028
|
|
|
1029 ;;;; SGML mode: Fill
|
|
|
1030
|
|
|
1031 (defun sgml-fill-element (element)
|
|
|
1032 "Fill bigest enclosing element with mixed content.
|
|
|
1033 If current element has pure element content, recursively fill the
|
|
|
1034 subelements."
|
|
|
1035 (interactive (list (sgml-find-element-of (point))))
|
|
|
1036 ;;
|
|
|
1037 (message "Filling...")
|
|
|
1038 (when (sgml-element-mixed element)
|
|
|
1039 ;; Find bigest enclosing element with mixed content
|
|
|
1040 (while (sgml-element-mixed (sgml-element-parent element))
|
|
|
1041 (setq element (sgml-element-parent element))))
|
|
|
1042 ;;
|
|
|
1043 (sgml-do-fill element)
|
|
|
1044 (sgml-message "Done"))
|
|
|
1045
|
|
|
1046 (defun sgml-do-fill (element)
|
|
|
1047 (when sgml-debug
|
|
|
1048 (goto-char (sgml-element-start element))
|
|
|
1049 (sit-for 0))
|
|
|
1050 (save-excursion
|
|
|
1051 (cond
|
|
|
1052 ((sgml-element-mixed element)
|
|
|
1053 (let (last-pos
|
|
|
1054 (c (sgml-element-content element))
|
|
|
1055 (agenda nil)) ; regions to fill later
|
|
|
1056 (goto-char (sgml-element-stag-end element))
|
|
|
1057 (when (eolp) (forward-char 1))
|
|
|
1058 (setq last-pos (point))
|
|
|
1059 (while c
|
|
|
1060 (cond
|
|
|
1061 ((sgml-element-mixed c))
|
|
|
1062 (t
|
|
|
1063 ;; Put region before element on agenda. Can't fill it now
|
|
|
1064 ;; that would mangel the parse tree that is beeing traversed.
|
|
|
1065 (push (cons last-pos (sgml-element-start c))
|
|
|
1066 agenda)
|
|
|
1067 (goto-char (sgml-element-start c))
|
|
|
1068 (sgml-do-fill c)
|
|
|
1069 ;; Fill may change parse tree, get a fresh
|
|
|
1070 (setq c (sgml-find-element-of (point)))
|
|
|
1071 (setq last-pos (sgml-element-end c))))
|
|
|
1072 (setq c (sgml-element-next c)))
|
|
|
1073 ;; Fill the last region in content of element,
|
|
|
1074 ;; but get a fresh parse tree, if it has change due to other fills.
|
|
|
1075 (sgml-fill-region last-pos
|
|
|
1076 (sgml-element-etag-start
|
|
|
1077 (sgml-find-element-of
|
|
|
1078 (sgml-element-start element))))
|
|
|
1079 (while agenda
|
|
|
1080 (sgml-fill-region (caar agenda) (cdar agenda))
|
|
|
1081 (setq agenda (cdr agenda)))))
|
|
|
1082 (t
|
|
|
1083 ;; If element is not mixed, fill subelements recursively
|
|
|
1084 (let ((c (sgml-element-content element)))
|
|
|
1085 (while c
|
|
|
1086 (goto-char (sgml-element-start c))
|
|
|
1087 (sgml-do-fill c)
|
|
|
1088 (setq c (sgml-element-next (sgml-find-element-of (point))))))))))
|
|
|
1089
|
|
|
1090 (defun sgml-fill-region (start end)
|
|
|
1091 (sgml-message "Filling...")
|
|
|
1092 (save-excursion
|
|
|
1093 (goto-char end)
|
|
|
1094 (skip-chars-backward " \t\n")
|
|
|
1095 (while (progn (beginning-of-line 1)
|
|
|
1096 (< start (point)))
|
|
|
1097 (delete-horizontal-space)
|
|
|
1098 (delete-char -1)
|
|
|
1099 (insert " "))
|
|
|
1100 (end-of-line 1)
|
|
|
1101 (let (give-up prev-column opoint)
|
|
|
1102 (while (and (not give-up) (> (current-column) fill-column))
|
|
|
1103 (setq prev-column (current-column))
|
|
|
1104 (setq opoint (point))
|
|
|
1105 (move-to-column (1+ fill-column))
|
|
|
1106 (skip-chars-backward "^ \t\n")
|
|
|
1107 (if (bolp)
|
|
|
1108 (re-search-forward "[ \t]" opoint t))
|
|
|
1109 (setq opoint (point))
|
|
|
1110 (skip-chars-backward " \t")
|
|
|
1111 (if (bolp)
|
|
|
1112 (setq give-up t)
|
|
|
1113 (delete-region (point) opoint)
|
|
|
1114 (newline)
|
|
|
1115 (sgml-indent-line)
|
|
|
1116 (end-of-line 1)
|
|
|
1117 (setq give-up (>= (current-column) prev-column)))))))
|
|
|
1118
|
|
|
1119 ;;;; SGML mode: Attribute editing
|
|
|
1120
|
|
|
1121 (defvar sgml-start-attributes nil)
|
|
|
1122 (defvar sgml-main-buffer nil)
|
|
|
1123 (defvar sgml-attlist nil)
|
|
|
1124
|
|
|
1125 (defun sgml-edit-attributes ()
|
|
|
1126 "Edit attributes of current element.
|
|
|
1127 Editing is done in a separate window."
|
|
|
1128 (interactive)
|
|
|
1129 (let ((element (sgml-find-attribute-element)))
|
|
|
1130 (unless (sgml-bpos-p (sgml-element-stag-epos element))
|
|
|
1131 (error "Element's start-tag is not in the buffer"))
|
|
|
1132 (push-mark)
|
|
|
1133 (goto-char (sgml-element-start element))
|
|
|
1134 (let* ((start (point-marker))
|
|
|
1135 (asl (sgml-element-attribute-specification-list element))
|
|
|
1136 (cb (current-buffer))
|
|
|
1137 (quote sgml-always-quote-attributes))
|
|
|
1138 (switch-to-buffer-other-window
|
|
|
1139 (sgml-attribute-buffer element asl))
|
|
|
1140 (sgml-edit-attrib-mode)
|
|
|
1141 (make-local-variable 'sgml-attlist)
|
|
|
1142 (setq sgml-attlist (sgml-element-attlist element))
|
|
|
1143 (make-local-variable 'sgml-start-attributes)
|
|
|
1144 (setq sgml-start-attributes start)
|
|
|
1145 (make-local-variable 'sgml-always-quote-attributes)
|
|
|
1146 (setq sgml-always-quote-attributes quote)
|
|
|
1147 (make-local-variable 'sgml-main-buffer)
|
|
|
1148 (setq sgml-main-buffer cb))))
|
|
|
1149
|
|
|
1150 (defun sgml-attribute-buffer (element asl)
|
|
|
1151 (let ((bname "*Edit attributes*")
|
|
|
1152 (buf nil)
|
|
|
1153 (inhibit-read-only t))
|
|
|
1154 (save-excursion
|
|
|
1155 (when (setq buf (get-buffer bname))
|
|
|
1156 (kill-buffer buf))
|
|
|
1157 (setq buf (get-buffer-create bname))
|
|
|
1158 (set-buffer buf)
|
|
|
1159 (erase-buffer)
|
|
|
1160 (sgml-insert '(read-only t rear-nonsticky (read-only))
|
|
|
1161 "<%s -- Edit values and finish with C-c C-c --\n"
|
|
|
1162 (sgml-element-name element))
|
|
|
1163 (loop
|
|
|
1164 for attr in (sgml-element-attlist element) do
|
|
|
1165 ;; Produce text like
|
|
|
1166 ;; name = value
|
|
|
1167 ;; -- declaration : default --
|
|
|
1168 (let* ((aname (sgml-attdecl-name attr))
|
|
|
1169 (dcl-value (sgml-attdecl-declared-value attr))
|
|
|
1170 (def-value (sgml-attdecl-default-value attr))
|
|
|
1171 (cur-value (sgml-lookup-attspec aname asl)))
|
|
|
1172 (sgml-insert ; atribute name
|
|
|
1173 '(read-only t rear-nonsticky (read-only))
|
|
|
1174 " %s = " aname)
|
|
|
1175 (cond ; attribute value
|
|
|
1176 ((sgml-default-value-type-p 'fixed def-value)
|
|
|
1177 (sgml-insert '(read-only t category sgml-fixed
|
|
|
1178 rear-nonsticky (category))
|
|
|
1179 "#FIXED %s"
|
|
|
1180 (sgml-default-value-attval def-value)))
|
|
|
1181 ((and (null cur-value)
|
|
|
1182 (or (memq def-value '(implied conref current))
|
|
|
1183 (sgml-default-value-attval def-value)))
|
|
|
1184 (sgml-insert '(category sgml-default rear-nonsticky (category))
|
|
|
1185 "#DEFAULT"))
|
|
|
1186 ((not (null cur-value))
|
|
|
1187 (sgml-insert nil "%s" (sgml-attspec-attval cur-value))))
|
|
|
1188 (sgml-insert
|
|
|
1189 '(read-only 1)
|
|
|
1190 "\n\t-- %s: %s --\n"
|
|
|
1191 (cond ((sgml-declared-value-token-group dcl-value))
|
|
|
1192 ((sgml-declared-value-notation dcl-value)
|
|
|
1193 (format "NOTATION %s"
|
|
|
1194 (sgml-declared-value-notation dcl-value)))
|
|
|
1195 (t
|
|
|
1196 dcl-value))
|
|
|
1197 (cond ((sgml-default-value-attval def-value))
|
|
|
1198 (t
|
|
|
1199 (concat "#" (upcase (symbol-name def-value))))))))
|
|
|
1200 (sgml-insert '(read-only t) ">")
|
|
|
1201 (goto-char (point-min))
|
|
|
1202 (sgml-edit-attrib-next))
|
|
|
1203 buf))
|
|
|
1204
|
|
|
1205 (defvar sgml-edit-attrib-mode-map (make-sparse-keymap))
|
|
|
1206 (define-key sgml-edit-attrib-mode-map "\C-c\C-c" 'sgml-edit-attrib-finish)
|
|
|
1207 (define-key sgml-edit-attrib-mode-map "\C-c\C-d" 'sgml-edit-attrib-default)
|
|
|
1208 (define-key sgml-edit-attrib-mode-map "\C-c\C-k" 'sgml-edit-attrib-clear)
|
|
|
1209
|
|
|
1210 (define-key sgml-edit-attrib-mode-map "\C-a" 'sgml-edit-attrib-field-start)
|
|
|
1211 (define-key sgml-edit-attrib-mode-map "\C-e" 'sgml-edit-attrib-field-end)
|
|
|
1212 (define-key sgml-edit-attrib-mode-map "\t" 'sgml-edit-attrib-next)
|
|
|
1213
|
|
|
1214 (defun sgml-edit-attrib-mode ()
|
|
|
1215 "Major mode to edit attribute specification list.\\<sgml-edit-attrib-mode-map>
|
|
|
1216 Use \\[sgml-edit-attrib-next] to move between input fields. Use
|
|
|
1217 \\[sgml-edit-attrib-default] to make an attribute have its default
|
|
|
1218 value. To abort edit kill buffer (\\[kill-buffer]) and remove window
|
|
|
1219 (\\[delete-window]). To finsh edit use \\[sgml-edit-attrib-finish].
|
|
|
1220
|
|
|
1221 \\{sgml-edit-attrib-mode-map}"
|
|
|
1222 (kill-all-local-variables)
|
|
|
1223 (setq mode-name "SGML edit attributes"
|
|
|
1224 major-mode 'sgml-edit-attrib-mode)
|
|
|
1225 (use-local-map sgml-edit-attrib-mode-map)
|
|
|
1226 (run-hooks 'text-mode-hook 'sgml-edit-attrib-mode-hook))
|
|
|
1227
|
|
|
1228 (defun sgml-edit-attrib-finish ()
|
|
|
1229 "Finish editing and insert attribute values in original buffer."
|
|
|
1230 (interactive)
|
|
|
1231 (let ((cb (current-buffer))
|
|
|
1232 (asl (sgml-edit-attrib-specification-list))
|
|
|
1233 ;; save buffer local variables
|
|
|
1234 (start sgml-start-attributes))
|
|
|
1235 (when (markerp start)
|
|
|
1236 (delete-windows-on cb)
|
|
|
1237 (switch-to-buffer (marker-buffer start))
|
|
|
1238 (kill-buffer cb)
|
|
|
1239 (goto-char start)
|
|
|
1240 (let ((element (sgml-find-element-of start)))
|
|
|
1241 ;; *** Should the it be verified that this element
|
|
|
1242 ;; is the one edited?
|
|
|
1243 (sgml-change-start-tag element asl)))))
|
|
|
1244
|
|
|
1245
|
|
|
1246 (defun sgml-edit-attrib-specification-list ()
|
|
|
1247 (goto-char (point-min))
|
|
|
1248 (forward-line 1)
|
|
|
1249 (sgml-with-parser-syntax
|
|
|
1250 (let ((asl nil)
|
|
|
1251 (al sgml-attlist))
|
|
|
1252 (while (not (eq ?> (following-char)))
|
|
|
1253 (sgml-parse-s)
|
|
|
1254 (let ((name (sgml-check-nametoken)))
|
|
|
1255 (forward-char 3)
|
|
|
1256 (unless (memq (get-text-property (point) 'category)
|
|
|
1257 '(sgml-default sgml-fixed))
|
|
|
1258 (push
|
|
|
1259 (sgml-make-attspec (sgml-attdecl-name (car al))
|
|
|
1260 (sgml-extract-attribute-value
|
|
|
1261 (sgml-attdecl-declared-value (car al))))
|
|
|
1262 asl))
|
|
|
1263 (while (progn (beginning-of-line 2)
|
|
|
1264 (or (eolp)
|
|
|
1265 (not (get-text-property (point) 'read-only))))))
|
|
|
1266 ; was (eq t)
|
|
|
1267 (forward-line 1)
|
|
|
1268 (setq al (cdr al)))
|
|
|
1269 asl)))
|
|
|
1270
|
|
|
1271
|
|
|
1272 (defun sgml-extract-attribute-value (type)
|
|
|
1273 (save-excursion
|
|
|
1274 (save-restriction
|
|
|
1275 (narrow-to-region (point)
|
|
|
1276 (progn (sgml-edit-attrib-field-end)
|
|
|
1277 (point)))
|
|
|
1278 (unless (eq type 'cdata)
|
|
|
1279 (subst-char-in-region (point-min) (point-max) ?\n ? )
|
|
|
1280 (goto-char (point-min))
|
|
|
1281 (delete-horizontal-space))
|
|
|
1282 (goto-char (point-min))
|
|
|
1283 (when (search-forward "\"" nil t) ; don't allow both " and '
|
|
|
1284 (goto-char (point-min))
|
|
|
1285 (while (search-forward "'" nil t) ; replace ' with char ref
|
|
|
1286 (replace-match "'")))
|
|
|
1287 (buffer-string))))
|
|
|
1288
|
|
|
1289 (defun sgml-edit-attrib-default ()
|
|
|
1290 "Set current attribute value to default."
|
|
|
1291 (interactive)
|
|
|
1292 (sgml-edit-attrib-clear)
|
|
|
1293 (save-excursion
|
|
|
1294 (sgml-insert '(category sgml-default)
|
|
|
1295 "#DEFAULT")))
|
|
|
1296
|
|
|
1297 (defun sgml-edit-attrib-clear ()
|
|
|
1298 "Kill the value of current attribute."
|
|
|
1299 (interactive)
|
|
|
1300 (kill-region
|
|
|
1301 (progn (sgml-edit-attrib-field-start) (point))
|
|
|
1302 (progn (sgml-edit-attrib-field-end) (point))))
|
|
|
1303
|
|
|
1304 (defun sgml-edit-attrib-field-start ()
|
|
|
1305 "Go to the start of the attribute value field."
|
|
|
1306 (interactive)
|
|
|
1307 (let (start)
|
|
|
1308 (beginning-of-line 1)
|
|
|
1309 (while (not (eq t (get-text-property (point) 'read-only)))
|
|
|
1310 (beginning-of-line 0))
|
|
|
1311 (setq start (next-single-property-change (point) 'read-only))
|
|
|
1312 (unless start (error "No attribute value here"))
|
|
|
1313 (assert (number-or-marker-p start))
|
|
|
1314 (goto-char start)))
|
|
|
1315
|
|
|
1316 (defun sgml-edit-attrib-field-end ()
|
|
|
1317 "Go to the end of the attribute value field."
|
|
|
1318 (interactive)
|
|
|
1319 (sgml-edit-attrib-field-start)
|
|
|
1320 (let ((end (if (and (eolp)
|
|
|
1321 (get-text-property (1+ (point)) 'read-only))
|
|
|
1322 (point)
|
|
|
1323 (next-single-property-change (point) 'read-only))))
|
|
|
1324 (assert (number-or-marker-p end))
|
|
|
1325 (goto-char end)))
|
|
|
1326
|
|
|
1327 (defun sgml-edit-attrib-next ()
|
|
|
1328 "Move to next attribute value."
|
|
|
1329 (interactive)
|
|
|
1330 (or (search-forward-regexp "^ *[.A-Za-z0-9---]+ *= ?" nil t)
|
|
|
1331 (goto-char (point-min))))
|
|
|
1332
|
|
|
1333
|
|
|
1334 ;;;; SGML mode: Hiding tags/attributes
|
|
|
1335
|
|
|
1336 (defconst sgml-tag-regexp
|
|
|
1337 "\\(</?>\\|</?[A-Za-z][---A-Za-z0-9.]*\\(\\([^'\"></]\\|'[^']*'\\|\"[^\"]*\"\\)*\\)>?\\)")
|
|
|
1338
|
|
|
1339 (defun sgml-operate-on-tags (action &optional attr-p)
|
|
|
1340 (let ((buffer-modified-p (buffer-modified-p))
|
|
|
1341 (inhibit-read-only t)
|
|
|
1342 (buffer-read-only nil)
|
|
|
1343 (before-change-function nil)
|
|
|
1344 (markup-index ; match-data index in tag regexp
|
|
|
1345 (if attr-p 2 1))
|
|
|
1346 (tagcount ; number tags to give them uniq
|
|
|
1347 ; invisible properties
|
|
|
1348 1))
|
|
|
1349 (unwind-protect
|
|
|
1350 (save-excursion
|
|
|
1351 (goto-char (point-min))
|
|
|
1352 (while (re-search-forward sgml-tag-regexp nil t)
|
|
|
1353 (cond
|
|
|
1354 ((eq action 'hide)
|
|
|
1355 (let ((tag (downcase
|
|
|
1356 (buffer-substring (1+ (match-beginning 0))
|
|
|
1357 (match-beginning 1)))))
|
|
|
1358 (if (or attr-p (not (member tag sgml-exposed-tags)))
|
|
|
1359 (add-text-properties
|
|
|
1360 (match-beginning markup-index) (match-end markup-index)
|
|
|
1361 (list 'invisible tagcount
|
|
|
1362 'rear-nonsticky '(invisible face))))))
|
|
|
1363 ((eq action 'show) ; ignore markup-index
|
|
|
1364 (remove-text-properties (match-beginning 0) (match-end 0)
|
|
|
1365 '(invisible nil)))
|
|
|
1366 (t (error "Invalid action: %s" action)))
|
|
|
1367 (incf tagcount)))
|
|
|
1368 (set-buffer-modified-p buffer-modified-p))))
|
|
|
1369
|
|
|
1370 (defun sgml-hide-tags ()
|
|
|
1371 "Hide all tags in buffer."
|
|
|
1372 (interactive)
|
|
|
1373 (sgml-operate-on-tags 'hide))
|
|
|
1374
|
|
|
1375 (defun sgml-show-tags ()
|
|
|
1376 "Show hidden tags in buffer."
|
|
|
1377 (interactive)
|
|
|
1378 (sgml-operate-on-tags 'show))
|
|
|
1379
|
|
|
1380 (defun sgml-hide-attributes ()
|
|
|
1381 "Hide all attribute specifications in the buffer."
|
|
|
1382 (interactive)
|
|
|
1383 (sgml-operate-on-tags 'hide 'attributes))
|
|
|
1384
|
|
|
1385 (defun sgml-show-attributes ()
|
|
|
1386 "Show all attribute specifications in the buffer."
|
|
|
1387 (interactive)
|
|
|
1388 (sgml-operate-on-tags 'show 'attributes))
|
|
|
1389
|
|
|
1390
|
|
|
1391 ;;;; SGML mode: Normalize (and misc manipulations)
|
|
|
1392
|
|
|
1393 (defun sgml-expand-shortref-to-text (name)
|
|
|
1394 (let (before-change-function
|
|
|
1395 (entity (sgml-lookup-entity name (sgml-dtd-entities sgml-dtd-info))))
|
|
|
1396 (cond
|
|
|
1397 ((null entity) (sgml-error "Undefined entity %s" name))
|
|
|
1398 ((sgml-entity-data-p entity)
|
|
|
1399 (sgml-expand-shortref-to-entity name))
|
|
|
1400 (t
|
|
|
1401 (delete-region sgml-markup-start (point))
|
|
|
1402 (sgml-entity-insert-text entity)
|
|
|
1403 (setq sgml-goal (point-max)) ; May have changed size of buffer
|
|
|
1404 ;; now parse the entity text
|
|
|
1405 (goto-char (setq sgml-rs-ignore-pos sgml-markup-start))))))
|
|
|
1406
|
|
|
1407 (defun sgml-expand-shortref-to-entity (name)
|
|
|
1408 (let ((end (point))
|
|
|
1409 (re-found nil)
|
|
|
1410 before-change-function)
|
|
|
1411 (goto-char sgml-markup-start)
|
|
|
1412 (setq re-found (search-forward "\n" end t))
|
|
|
1413 (delete-region sgml-markup-start end)
|
|
|
1414 (insert "&" name (if re-found "\n" ";"))
|
|
|
1415 (setq sgml-goal (point-max)) ; May have changed size of buffer
|
|
|
1416 (goto-char (setq sgml-rs-ignore-pos sgml-markup-start))))
|
|
|
1417
|
|
|
1418 (defun sgml-expand-all-shortrefs (to-entity)
|
|
|
1419 "Expand all short references in the buffer.
|
|
|
1420 Short references to text entities are expanded to the replacement text
|
|
|
1421 of the entity other short references are expanded into general entity
|
|
|
1422 references. If argument, TO-ENTITY, is non-nil, or if called
|
|
|
1423 interactive with numeric prefix argument, all short references are
|
|
|
1424 replaced by generaly entity references."
|
|
|
1425 (interactive "*P")
|
|
|
1426 (sgml-reparse-buffer
|
|
|
1427 (if to-entity
|
|
|
1428 (function sgml-expand-shortref-to-entity)
|
|
|
1429 (function sgml-expand-shortref-to-text))))
|
|
|
1430
|
|
|
1431 (defun sgml-normalize (to-entity &optional element)
|
|
|
1432 "Normalize buffer by filling in omitted tags and expanding empty tags.
|
|
|
1433 Argument TO-ENTITY controls how short references are expanded as with
|
|
|
1434 `sgml-expand-all-shortrefs'. An optional argument ELEMENT can be the
|
|
|
1435 element to normalize insted of the whole buffer, if used no short
|
|
|
1436 references will be expanded."
|
|
|
1437 (interactive "*P")
|
|
|
1438 (unless element
|
|
|
1439 (sgml-expand-all-shortrefs to-entity))
|
|
|
1440 (let ((only-one (not (null element))))
|
|
|
1441 (setq element (or element (sgml-top-element)))
|
|
|
1442 (goto-char (sgml-element-end element))
|
|
|
1443 (let ((before-change-function nil))
|
|
|
1444 (sgml-normalize-content element only-one)))
|
|
|
1445 (sgml-note-change-at (sgml-element-start element))
|
|
|
1446 (sgml-message "Done"))
|
|
|
1447
|
|
|
1448 (defun sgml-normalize-element ()
|
|
|
1449 (interactive "*")
|
|
|
1450 (sgml-normalize nil (sgml-find-element-of (point))))
|
|
|
1451
|
|
|
1452 (defun sgml-normalize-content (element only-first)
|
|
|
1453 "Normalize all elements in a content where ELEMENT is first element.
|
|
|
1454 If sgml-normalize-trims is non-nil, trim off white space from ends of
|
|
|
1455 elements with omitted end-tags."
|
|
|
1456 (let ((content nil))
|
|
|
1457 (while element ; Build list of content elements
|
|
|
1458 (push element content)
|
|
|
1459 (setq element (if only-first
|
|
|
1460 nil
|
|
|
1461 (sgml-element-next element))))
|
|
|
1462 (while content
|
|
|
1463 (setq element (car content))
|
|
|
1464 ;; Progress report
|
|
|
1465 (sgml-lazy-message "Normalizing %d%% left"
|
|
|
1466 (/ (point) (/ (+ (point-max) 100) 100)))
|
|
|
1467 ;; Fix the end-tag
|
|
|
1468 (sgml-normalize-end-tag element)
|
|
|
1469 ;; Fix tags of content
|
|
|
1470 (sgml-normalize-content (sgml-tree-content element) nil)
|
|
|
1471 ;; Fix the start-tag
|
|
|
1472 (sgml-normalize-start-tag element)
|
|
|
1473 ;; Next content element
|
|
|
1474 (setq content (cdr content)))))
|
|
|
1475
|
|
|
1476 (defun sgml-normalize-start-tag (element)
|
|
|
1477 (when (sgml-bpos-p (sgml-element-stag-epos element))
|
|
|
1478 (goto-char (min (point) (sgml-element-start element)))
|
|
|
1479 (let ((name (sgml-element-gi element))
|
|
|
1480 (attlist (sgml-element-attlist element))
|
|
|
1481 (asl (sgml-element-attribute-specification-list element)))
|
|
|
1482 (save-excursion
|
|
|
1483 (assert (or (zerop (sgml-element-stag-len element))
|
|
|
1484 (= (point) (sgml-element-start element))))
|
|
|
1485 (delete-char (sgml-element-stag-len element))
|
|
|
1486 (sgml-insert-start-tag name asl attlist nil)))))
|
|
|
1487
|
|
|
1488 (defun sgml-normalize-end-tag (element)
|
|
|
1489 (unless (sgml-element-empty element)
|
|
|
1490 (when (sgml-bpos-p (sgml-element-etag-epos element))
|
|
|
1491 (goto-char (min (point) (sgml-element-etag-start element)))
|
|
|
1492 (if (and (zerop (sgml-element-etag-len element))
|
|
|
1493 sgml-normalize-trims)
|
|
|
1494 (skip-chars-backward " \t\n\r"))
|
|
|
1495 (delete-char (sgml-tree-etag-len element))
|
|
|
1496 (save-excursion (insert (sgml-end-tag-of element))))))
|
|
|
1497
|
|
|
1498
|
|
|
1499 (defun sgml-make-character-reference (&optional invert)
|
|
|
1500 "Convert character after point into a character reference.
|
|
|
1501 If called with a numeric argument, convert a character reference back
|
|
|
1502 to a normal character. If called from a program, set optional
|
|
|
1503 argument INVERT to non-nil."
|
|
|
1504 (interactive "*P")
|
|
|
1505 (cond
|
|
|
1506 (invert
|
|
|
1507 (or (looking-at "&#\\([0-9]+\\)[;\n]?")
|
|
|
1508 (error "No character reference after point"))
|
|
|
1509 (let ((c (string-to-int (buffer-substring (match-beginning 1)
|
|
|
1510 (match-end 1)))))
|
|
|
1511 (delete-region (match-beginning 0)
|
|
|
1512 (match-end 0))
|
|
|
1513 (insert c)))
|
|
|
1514 ;; Convert character to &#nn;
|
|
|
1515 (t
|
|
|
1516 (let ((c (following-char)))
|
|
|
1517 (delete-char 1)
|
|
|
1518 (insert (format "&#%d;" c))))))
|
|
|
1519
|
|
|
1520 (defun sgml-expand-entity-reference ()
|
|
|
1521 "Insert the text of the entity referenced at point."
|
|
|
1522 (interactive)
|
|
|
1523 (sgml-with-parser-syntax
|
|
|
1524 (setq sgml-markup-start (point))
|
|
|
1525 (sgml-check-delim "ERO")
|
|
|
1526 (let* ((ename (sgml-check-name t))
|
|
|
1527 (entity (sgml-lookup-entity ename
|
|
|
1528 (sgml-dtd-entities
|
|
|
1529 (sgml-pstate-dtd
|
|
|
1530 sgml-buffer-parse-state)))))
|
|
|
1531 (unless entity
|
|
|
1532 (error "Undefined entity %s" ename))
|
|
|
1533 (or (sgml-parse-delim "REFC")
|
|
|
1534 (sgml-parse-RE))
|
|
|
1535 (delete-region sgml-markup-start (point))
|
|
|
1536 (sgml-entity-insert-text entity))))
|
|
|
1537
|
|
|
1538
|
|
|
1539 ;;;; SGML mode: TAB completion
|
|
|
1540
|
|
|
1541 (defun sgml-complete ()
|
|
|
1542 "Complete the word/tag/entity before point.
|
|
|
1543 If it is a tag (starts with < or </) complete with valid tags.
|
|
|
1544 If it is an entity (starts with &) complete with declared entities.
|
|
|
1545 If it is a markup declaration (starts with <!) complete with markup
|
|
|
1546 declaration names.
|
|
|
1547 If it is something else complete with ispell-complete-word."
|
|
|
1548 (interactive "*")
|
|
|
1549 (let ((tab ; The completion table
|
|
|
1550 nil)
|
|
|
1551 (pattern nil)
|
|
|
1552 (c nil)
|
|
|
1553 (here (point)))
|
|
|
1554 (skip-chars-backward "^ \n\t</!&%")
|
|
|
1555 (setq pattern (buffer-substring (point) here))
|
|
|
1556 (setq c (char-after (1- (point))))
|
|
|
1557 (cond
|
|
|
1558 ;; entitiy
|
|
|
1559 ((eq c ?&)
|
|
|
1560 (sgml-need-dtd)
|
|
|
1561 (setq tab
|
|
|
1562 (sgml-entity-completion-table
|
|
|
1563 (sgml-dtd-entities (sgml-pstate-dtd sgml-buffer-parse-state)))))
|
|
|
1564 ;; start-tag
|
|
|
1565 ((eq c ?<)
|
|
|
1566 (save-excursion
|
|
|
1567 (backward-char 1)
|
|
|
1568 (sgml-parse-to-here)
|
|
|
1569 (setq tab (sgml-eltype-completion-table
|
|
|
1570 (sgml-current-list-of-valid-eltypes)))))
|
|
|
1571 ;; end-tag
|
|
|
1572 ((eq c ?/)
|
|
|
1573 (save-excursion
|
|
|
1574 (backward-char 2)
|
|
|
1575 (sgml-parse-to-here)
|
|
|
1576 (setq tab (sgml-eltype-completion-table
|
|
|
1577 (sgml-current-list-of-endable-eltypes)))))
|
|
|
1578 ;; markup declaration
|
|
|
1579 ((eq c ?!)
|
|
|
1580 (setq tab sgml-markup-declaration-table))
|
|
|
1581 (t
|
|
|
1582 (goto-char here)
|
|
|
1583 (ispell-complete-word)))
|
|
|
1584 (when tab
|
|
|
1585 (let ((completion (try-completion pattern tab)))
|
|
|
1586 (cond ((null completion)
|
|
|
1587 (goto-char here)
|
|
|
1588 (message "Can't find completion for \"%s\"" pattern)
|
|
|
1589 (ding))
|
|
|
1590 ((eq completion t)
|
|
|
1591 (goto-char here)
|
|
|
1592 (message "[Complete]"))
|
|
|
1593 ((not (string= pattern completion))
|
|
|
1594 (delete-char (length pattern))
|
|
|
1595 (insert completion))
|
|
|
1596 (t
|
|
|
1597 (goto-char here)
|
|
|
1598 (message "Making completion list...")
|
|
|
1599 (let ((list (all-completions pattern tab)))
|
|
|
1600 (with-output-to-temp-buffer " *Completions*"
|
|
|
1601 (display-completion-list list)))
|
|
|
1602 (message "Making completion list...%s" "done")))))))
|
|
|
1603
|
|
|
1604
|
|
|
1605 ;;;; SGML mode: Options menu
|
|
|
1606
|
|
|
1607 (defun sgml-file-options-menu (&optional event)
|
|
|
1608 (interactive "e")
|
|
|
1609 (sgml-options-menu event sgml-file-options))
|
|
|
1610
|
|
|
1611 (defun sgml-user-options-menu (&optional event)
|
|
|
1612 (interactive "e")
|
|
|
1613 (sgml-options-menu event sgml-user-options))
|
|
|
1614
|
|
|
1615 (defun sgml-options-menu (event vars)
|
|
|
1616 (let ((var
|
|
|
1617 (let ((maxlen
|
|
|
1618 (loop for var in vars
|
|
|
1619 maximize (length (sgml-variable-description var)))))
|
|
|
1620 (sgml-popup-menu
|
|
|
1621 event "Options"
|
|
|
1622 (loop for var in vars
|
|
|
1623 for desc = (sgml-variable-description var)
|
|
|
1624 collect
|
|
|
1625 (cons
|
|
|
1626 (format "%s%s [%s]"
|
|
|
1627 desc
|
|
|
1628 (make-string (- maxlen (length desc)) ? )
|
|
|
1629 (sgml-option-value-indicator var))
|
|
|
1630 var))))))
|
|
|
1631 (when var
|
|
|
1632 (sgml-do-set-option var event))))
|
|
|
1633
|
|
|
1634 (defun sgml-do-set-option (var &optional event)
|
|
|
1635 (let ((type (sgml-variable-type var))
|
|
|
1636 (val (symbol-value var)))
|
|
|
1637 (cond
|
|
|
1638 ((eq 'toggle type)
|
|
|
1639 (message "%s set to %s" var (not val))
|
|
|
1640 (set var (not val)))
|
|
|
1641 ((eq 'string type)
|
|
|
1642 (describe-variable var)
|
|
|
1643 (setq val (read-string (concat (sgml-variable-description var) ": ")))
|
|
|
1644 (when (stringp val)
|
|
|
1645 (set var val)))
|
|
|
1646 ((consp type)
|
|
|
1647 (let ((val
|
|
|
1648 (sgml-popup-menu event
|
|
|
1649 (sgml-variable-description var)
|
|
|
1650 (loop for c in type collect
|
|
|
1651 (cons
|
|
|
1652 (if (consp c) (car c) (format "%s" c))
|
|
|
1653 (if (consp c) (cdr c) c))))))
|
|
|
1654 (set var val)
|
|
|
1655 (message "%s set to %s" var val)))
|
|
|
1656 (t
|
|
|
1657 (describe-variable var)
|
|
|
1658 (setq val (read-string (concat (sgml-variable-description var)
|
|
|
1659 " (sexp): ")))
|
|
|
1660 (when (stringp val)
|
|
|
1661 (set var (car (read-from-string val)))))))
|
|
|
1662 (force-mode-line-update))
|
|
|
1663
|
|
|
1664 (defun sgml-option-value-indicator (var)
|
|
|
1665 (let ((type (sgml-variable-type var))
|
|
|
1666 (val (symbol-value var)))
|
|
|
1667 (cond
|
|
|
1668 ((eq type 'toggle)
|
|
|
1669 (if val "Yes" "No"))
|
|
|
1670 ((eq type 'string)
|
|
|
1671 (if (stringp val)
|
|
|
1672 (substring val 0 4)
|
|
|
1673 "-"))
|
|
|
1674 ((and (atom type) val)
|
|
|
1675 "...")
|
|
|
1676 ((consp type)
|
|
|
1677 (or (car (rassq val type))
|
|
|
1678 val))
|
|
|
1679 (t
|
|
|
1680 "-"))))
|
|
|
1681
|
|
|
1682 ;;;; NEW
|
|
|
1683
|
|
|
1684 (defun sgml-trim-and-leave-element ()
|
|
|
1685 (interactive)
|
|
|
1686 (goto-char (sgml-element-etag-start (sgml-last-element)))
|
|
|
1687 (while (progn (forward-char -1)
|
|
|
1688 (looking-at "\\s-"))
|
|
|
1689 (delete-char 1))
|
|
|
1690 (sgml-up-element))
|
|
|
1691
|
|
|
1692
|
|
|
1693 ;;; psgml-edit.el ends here
|
