annotate lisp/replace.el @ 235:85a06df23a9a r20-5b16

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date Mon, 13 Aug 2007 10:14:40 +0200
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1 ;;; replace.el --- search and replace commands for XEmacs.
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2
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3 ;; Copyright (C) 1985-7, 1992, 1994, 1997 Free Software Foundation, Inc.
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4
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5 ;; Maintainer: XEmacs Development Team
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6 ;; Keywords: dumped, matching
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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25 ;;; Synched up with: FSF 19.34 [Partially].
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26
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27 ;;; Commentary:
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28
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29 ;; This file is dumped with XEmacs.
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30
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31 ;; This package supplies the string and regular-expression replace functions
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32 ;; documented in the XEmacs Reference Manual.
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33
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34 ;; All the gettext calls are for XEmacs I18N3 message catalog support.
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35 ;; (This is hopelessly broken and we should remove it. -sb)
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36
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37 ;;; Code:
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38
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39 (defvar case-replace t "\
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40 *Non-nil means `query-replace' should preserve case in replacements.
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41 What this means is that `query-replace' will change the case of the
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42 replacement text so that it matches the text that was replaced.
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43 If this variable is nil, the replacement text will be inserted
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44 exactly as it was specified by the user, irrespective of the case
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45 of the text that was replaced.
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46
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47 Note that this flag has no effect if `case-fold-search' is nil,
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48 or if the replacement text has any uppercase letters in it.")
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49
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50 (defvar query-replace-history nil)
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51
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52 (defvar query-replace-interactive nil
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53 "Non-nil means `query-replace' uses the last search string.
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54 That becomes the \"string to replace\".")
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55
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56 (defun query-replace-read-args (string regexp-flag)
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57 (let (from to)
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58 (if query-replace-interactive
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59 (setq from (car (if regexp-flag regexp-search-ring search-ring)))
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60 (setq from (read-from-minibuffer (format "%s: " (gettext string))
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61 nil nil nil
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62 'query-replace-history)))
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63 (setq to (read-from-minibuffer (format "%s %s with: " (gettext string)
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64 from)
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65 nil nil nil
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66 'query-replace-history))
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67 (list from to current-prefix-arg)))
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68
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69 ;; As per suggestion from Per Abrahamsen, limit replacement to the region
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70 ;; if the region is active.
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71 (defun query-replace (from-string to-string &optional arg)
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72 "Replace some occurrences of FROM-STRING with TO-STRING.
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73 As each match is found, the user must type a character saying
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74 what to do with it. For directions, type \\[help-command] at that time.
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75
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76 If `query-replace-interactive' is non-nil, the last incremental search
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77 string is used as FROM-STRING--you don't have to specify it with the
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78 minibuffer.
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79
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80 Preserves case in each replacement if `case-replace' and `case-fold-search'
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81 are non-nil and FROM-STRING has no uppercase letters.
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82 \(Preserving case means that if the string matched is all caps, or capitalized,
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83 then its replacement is upcased or capitalized.)
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84
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85 Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
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86 only matches surrounded by word boundaries.
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87
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88 To customize possible responses, change the \"bindings\" in `query-replace-map'."
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89 (interactive (query-replace-read-args "Query replace" nil))
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90 (if (or (and (boundp 'zmacs-region-active-p) zmacs-region-active-p)
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91 (and (boundp 'transient-mark-mode) transient-mark-mode mark-active))
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92 (save-restriction
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93 (save-excursion
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94 (narrow-to-region (point) (mark))
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95 (goto-char (point-min))
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96 (perform-replace from-string to-string t nil arg)))
209
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97 (perform-replace from-string to-string t nil arg)))
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98
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99 (defun query-replace-regexp (regexp to-string &optional arg)
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100 "Replace some things after point matching REGEXP with TO-STRING.
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101 As each match is found, the user must type a character saying
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102 what to do with it. For directions, type \\[help-command] at that time.
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103
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104 If `query-replace-interactive' is non-nil, the last incremental search
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105 regexp is used as REGEXP--you don't have to specify it with the
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106 minibuffer.
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107
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108 Preserves case in each replacement if `case-replace' and `case-fold-search'
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109 are non-nil and REGEXP has no uppercase letters.
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110 Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
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111 only matches surrounded by word boundaries.
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112 In TO-STRING, `\\&' stands for whatever matched the whole of REGEXP,
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113 and `\\=\\N' (where N is a digit) stands for
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114 whatever what matched the Nth `\\(...\\)' in REGEXP."
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115 (interactive (query-replace-read-args "Query replace regexp" t))
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116 (if (or (and (boundp 'zmacs-region-active-p) zmacs-region-active-p)
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117 (and (boundp 'transient-mark-mode) transient-mark-mode mark-active))
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118 (save-restriction
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119 (save-excursion
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120 (narrow-to-region (point) (mark))
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121 (goto-char (point-min))
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122 (perform-replace regexp to-string t t arg)))
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123 (perform-replace regexp to-string t t arg)))
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124
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125 ;;#### Not patently useful
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126 (defun map-query-replace-regexp (regexp to-strings &optional arg)
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127 "Replace some matches for REGEXP with various strings, in rotation.
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128 The second argument TO-STRINGS contains the replacement strings, separated
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129 by spaces. This command works like `query-replace-regexp' except
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130 that each successive replacement uses the next successive replacement string,
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131 wrapping around from the last such string to the first.
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132
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133 Non-interactively, TO-STRINGS may be a list of replacement strings.
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134
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135 If `query-replace-interactive' is non-nil, the last incremental search
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136 regexp is used as REGEXP--you don't have to specify it with the minibuffer.
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137
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138 A prefix argument N says to use each replacement string N times
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139 before rotating to the next."
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140 (interactive
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141 (let (from to)
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142 (setq from (if query-replace-interactive
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143 (car regexp-search-ring)
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144 (read-from-minibuffer "Map query replace (regexp): "
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145 nil nil nil
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146 'query-replace-history)))
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147 (setq to (read-from-minibuffer
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148 (format "Query replace %s with (space-separated strings): "
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149 from)
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150 nil nil nil
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151 'query-replace-history))
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152 (list from to current-prefix-arg)))
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153 (let (replacements)
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154 (if (listp to-strings)
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155 (setq replacements to-strings)
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156 (while (/= (length to-strings) 0)
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157 (if (string-match " " to-strings)
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158 (setq replacements
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159 (append replacements
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160 (list (substring to-strings 0
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161 (string-match " " to-strings))))
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162 to-strings (substring to-strings
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163 (1+ (string-match " " to-strings))))
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164 (setq replacements (append replacements (list to-strings))
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165 to-strings ""))))
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166 (perform-replace regexp replacements t t nil arg)))
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167
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168 (defun replace-string (from-string to-string &optional delimited)
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169 "Replace occurrences of FROM-STRING with TO-STRING.
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170 Preserve case in each match if `case-replace' and `case-fold-search'
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171 are non-nil and FROM-STRING has no uppercase letters.
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172 \(Preserving case means that if the string matched is all caps, or capitalized,
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173 then its replacement is upcased or capitalized.)
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174
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175 Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
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176 only matches surrounded by word boundaries.
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177
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178 If `query-replace-interactive' is non-nil, the last incremental search
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179 string is used as FROM-STRING--you don't have to specify it with the
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180 minibuffer.
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181
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182 This function is usually the wrong thing to use in a Lisp program.
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183 What you probably want is a loop like this:
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184 (while (search-forward FROM-STRING nil t)
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185 (replace-match TO-STRING nil t))
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186 which will run faster and will not set the mark or print anything."
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187 (interactive (query-replace-read-args "Replace string" nil))
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188 (perform-replace from-string to-string nil nil delimited))
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189
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190 (defun replace-regexp (regexp to-string &optional delimited)
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191 "Replace things after point matching REGEXP with TO-STRING.
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192 Preserve case in each match if `case-replace' and `case-fold-search'
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193 are non-nil and REGEXP has no uppercase letters.
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194 \(Preserving case means that if the string matched is all caps, or capitalized,
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195 then its replacement is upcased or capitalized.)
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196
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197 Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
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198 only matches surrounded by word boundaries.
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199 In TO-STRING, `\\&' stands for whatever matched the whole of REGEXP,
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200 and `\\=\\N' (where N is a digit) stands for
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201 whatever what matched the Nth `\\(...\\)' in REGEXP.
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202
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203 If `query-replace-interactive' is non-nil, the last incremental search
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204 regexp is used as REGEXP--you don't have to specify it with the minibuffer.
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205
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206 This function is usually the wrong thing to use in a Lisp program.
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207 What you probably want is a loop like this:
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208 (while (re-search-forward REGEXP nil t)
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209 (replace-match TO-STRING nil nil))
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210 which will run faster and will not set the mark or print anything."
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211 (interactive (query-replace-read-args "Replace regexp" t))
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212 (perform-replace regexp to-string nil t delimited))
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213
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214
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215 (defvar regexp-history nil
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216 "History list for some commands that read regular expressions.")
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217
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218 (define-function 'keep-lines 'delete-non-matching-lines)
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219 (defun delete-non-matching-lines (regexp)
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220 "Delete all lines except those containing matches for REGEXP.
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221 A match split across lines preserves all the lines it lies in.
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222 Applies to all lines after point."
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223 (interactive (list (read-from-minibuffer
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224 "Keep lines (containing match for regexp): "
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225 nil nil nil 'regexp-history)))
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226 (save-excursion
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227 (or (bolp) (forward-line 1))
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228 (let ((start (point)))
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229 (while (not (eobp))
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230 ;; Start is first char not preserved by previous match.
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231 (if (not (re-search-forward regexp nil 'move))
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232 (delete-region start (point-max))
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233 (let ((end (save-excursion (goto-char (match-beginning 0))
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234 (beginning-of-line)
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235 (point))))
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236 ;; Now end is first char preserved by the new match.
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237 (if (< start end)
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238 (delete-region start end))))
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239 (setq start (save-excursion (forward-line 1)
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240 (point)))
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241 ;; If the match was empty, avoid matching again at same place.
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242 (and (not (eobp)) (= (match-beginning 0) (match-end 0))
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243 (forward-char 1))))))
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244
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245 (define-function 'flush-lines 'delete-matching-lines)
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246 (defun delete-matching-lines (regexp)
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247 "Delete lines containing matches for REGEXP.
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248 If a match is split across lines, all the lines it lies in are deleted.
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249 Applies to lines after point."
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250 (interactive (list (read-from-minibuffer
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251 "Flush lines (containing match for regexp): "
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252 nil nil nil 'regexp-history)))
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253 (save-excursion
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254 (while (and (not (eobp))
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255 (re-search-forward regexp nil t))
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256 (delete-region (save-excursion (goto-char (match-beginning 0))
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257 (beginning-of-line)
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258 (point))
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259 (progn (forward-line 1) (point))))))
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260
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261 (define-function 'how-many 'count-matches)
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262 (defun count-matches (regexp)
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263 "Print number of matches for REGEXP following point."
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264 (interactive (list (read-from-minibuffer
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265 "How many matches for (regexp): "
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266 nil nil nil 'regexp-history)))
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267 (let ((count 0) opoint)
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268 (save-excursion
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269 (while (and (not (eobp))
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270 (progn (setq opoint (point))
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271 (re-search-forward regexp nil t)))
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272 (if (= opoint (point))
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273 (forward-char 1)
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274 (setq count (1+ count))))
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275 (message "%d occurrences" count))))
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276
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277
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278 (defvar occur-mode-map ())
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279 (if occur-mode-map
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280 ()
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281 (setq occur-mode-map (make-sparse-keymap))
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282 (set-keymap-name occur-mode-map 'occur-mode-map) ; XEmacs
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283 (define-key occur-mode-map 'button2 'occur-mode-mouse-goto) ; XEmacs
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284 (define-key occur-mode-map "\C-c\C-c" 'occur-mode-goto-occurrence)
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285 (define-key occur-mode-map "\C-m" 'occur-mode-goto-occurrence))
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286
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287 (defvar occur-buffer nil)
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288 (defvar occur-nlines nil)
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289 (defvar occur-pos-list nil)
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290
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291 (defun occur-mode ()
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292 "Major mode for output from \\[occur].
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293 \\<occur-mode-map>Move point to one of the items in this buffer, then use
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294 \\[occur-mode-goto-occurrence] to go to the occurrence that the item refers to.
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295 Alternatively, click \\[occur-mode-mouse-goto] on an item to go to it.
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296
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297 \\{occur-mode-map}"
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298 (kill-all-local-variables)
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299 (use-local-map occur-mode-map)
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300 (setq major-mode 'occur-mode)
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301 (setq mode-name (gettext "Occur")) ; XEmacs
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302 (make-local-variable 'occur-buffer)
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303 (make-local-variable 'occur-nlines)
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304 (make-local-variable 'occur-pos-list)
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305 (require 'mode-motion) ; XEmacs
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306 (setq mode-motion-hook 'mode-motion-highlight-line) ; XEmacs
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307 (run-hooks 'occur-mode-hook))
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308
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309 ;; FSF Version of next function:
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310 ; (let (buffer pos)
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311 ; (save-excursion
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312 ; (set-buffer (window-buffer (posn-window (event-end event))))
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313 ; (save-excursion
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314 ; (goto-char (posn-point (event-end event)))
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315 ; (setq pos (occur-mode-find-occurrence))
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316 ; (setq buffer occur-buffer)))
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317 ; (pop-to-buffer buffer)
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318 ; (goto-char (marker-position pos))))
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319
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320 (defun occur-mode-mouse-goto (event)
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321 "Go to the occurrence highlighted by mouse.
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322 This function is only reasonable when bound to a mouse key in the occur buffer"
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323 (interactive "e")
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324 (let ((window-save (selected-window))
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325 (frame-save (selected-frame)))
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326 ;; preserve the window/frame setup
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327 (unwind-protect
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328 (progn
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329 (mouse-set-point event)
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330 (occur-mode-goto-occurrence))
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331 (select-frame frame-save)
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332 (select-window window-save))))
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333
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334 ;; Called occur-mode-find-occurrence in FSF
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335 (defun occur-mode-goto-occurrence ()
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336 "Go to the occurrence the current line describes."
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337 (interactive)
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338 (if (or (null occur-buffer)
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339 (null (buffer-name occur-buffer)))
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340 (progn
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341 (setq occur-buffer nil
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342 occur-pos-list nil)
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343 (error "Buffer in which occurrences were found is deleted")))
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344 (let* ((line-count
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345 (count-lines (point-min)
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346 (save-excursion
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347 (beginning-of-line)
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348 (point))))
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349 (occur-number (save-excursion
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350 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
351 (/ (1- line-count)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
352 (cond ((< occur-nlines 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
353 (- 2 occur-nlines))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
354 ((> occur-nlines 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
355 (+ 2 (* 2 occur-nlines)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
356 (t 1)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
357 (pos (nth occur-number occur-pos-list))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
358 ;; removed t arg from Bob Weiner, 10/6/95
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
359 (window (get-buffer-window occur-buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
360 (occur-source-buffer occur-buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
361 (if (< line-count 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
362 (error "No occurrence on this line"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
363 (or pos
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
364 (error "No occurrence on this line"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
365 ;; XEmacs: don't raise window unless it isn't visible
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
366 ;; allow for the possibility that the occur buffer is on another frame
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
367 (or (and window
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
368 (window-live-p window)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
369 (frame-visible-p (window-frame window))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
370 (set-buffer occur-source-buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
371 (and (pop-to-buffer occur-source-buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
372 (setq window (get-buffer-window occur-source-buffer))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
373 (goto-char pos)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
374 (set-window-point window pos)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
375
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
376
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
377 (defvar list-matching-lines-default-context-lines 0
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
378 "*Default number of context lines to include around a `list-matching-lines'
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
379 match. A negative number means to include that many lines before the match.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
380 A positive number means to include that many lines both before and after.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
381
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
382 ;; XEmacs addition
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
383 ;;; Damn you Jamie, this is utter trash.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
384 (defvar list-matching-lines-whole-buffer t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
385 "If t, occur operates on whole buffer, otherwise occur starts from point.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
386 default is t.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
387
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
388 (define-function 'occur 'list-matching-lines)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
389 (defun list-matching-lines (regexp &optional nlines)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
390 "Show all lines in the current buffer containing a match for REGEXP.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
391
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
392 If a match spreads across multiple lines, all those lines are shown.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
393
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
394 If variable `list-matching-lines-whole-buffer' is non-nil, the entire buffer is
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
395 searched, otherwise search begins at point.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
396
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
397 Each line is displayed with NLINES lines before and after, or -NLINES
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
398 before if NLINES is negative.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
399 NLINES defaults to `list-matching-lines-default-context-lines'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
400 Interactively it is the prefix arg.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
401
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
402 The lines are shown in a buffer named `*Occur*'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
403 It serves as a menu to find any of the occurrences in this buffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
404 \\[describe-mode] in that buffer will explain how."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
405 (interactive
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
406 ;; XEmacs change
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
407 (list (let* ((default (or (symbol-near-point)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
408 (and regexp-history
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
409 (car regexp-history))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
410 (minibuffer-history-minimum-string-length 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
411 (input
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
412 (if default
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
413 ;; rewritten for I18N3 snarfing
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
414 (read-from-minibuffer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
415 (format "List lines matching regexp (default `%s'): "
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
416 default) nil nil nil 'regexp-history)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
417 (read-from-minibuffer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
418 "List lines matching regexp: "
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
419 nil nil nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
420 'regexp-history))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
421 (if (and (equal input "") default)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
422 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
423 (setq input default)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
424 (setcar regexp-history default)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
425 ;; clear extra entries
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
426 (setcdr regexp-history (delete (car regexp-history)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
427 (cdr regexp-history)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
428 input)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
429 current-prefix-arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
430 (if (equal regexp "")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
431 (error "Must pass non-empty regexp to `list-matching-lines'"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
432 (setq nlines (if nlines (prefix-numeric-value nlines)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
433 list-matching-lines-default-context-lines))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
434 (let ((first t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
435 (dir default-directory)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
436 (buffer (current-buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
437 (linenum 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
438 (prevpos (point-min))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
439 ;; The rest of this function is very different from FSF.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
440 ;; Presumably that's due to Jamie's misfeature
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
441 (final-context-start (make-marker)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
442 (if (not list-matching-lines-whole-buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
443 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
444 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
445 (setq linenum (1+ (count-lines (point-min) (point))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
446 (setq prevpos (point))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
447 (with-output-to-temp-buffer "*Occur*"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
448 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
449 (set-buffer standard-output)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
450 (setq default-directory dir)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
451 ;; We will insert the number of lines, and "lines", later.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
452 ;; #### Needs fixing for I18N3
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
453 (let ((print-escape-newlines t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
454 (insert (format " matching %s in buffer %s.\n"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
455 regexp (buffer-name buffer))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
456 (occur-mode)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
457 (setq occur-buffer buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
458 (setq occur-nlines nlines)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
459 (setq occur-pos-list ()))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
460 (if (eq buffer standard-output)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
461 (goto-char (point-max)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
462 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
463 (if list-matching-lines-whole-buffer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
464 (beginning-of-buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
465 (message "Searching for %s ..." regexp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
466 ;; Find next match, but give up if prev match was at end of buffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
467 (while (and (not (= prevpos (point-max)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
468 (re-search-forward regexp nil t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
469 (goto-char (match-beginning 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
470 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
471 (save-match-data
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
472 (setq linenum (+ linenum (count-lines prevpos (point)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
473 (setq prevpos (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
474 (goto-char (match-end 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
475 (let* ((start (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
476 (goto-char (match-beginning 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
477 (forward-line (if (< nlines 0) nlines (- nlines)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
478 (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
479 (end (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
480 (goto-char (match-end 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
481 (if (> nlines 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
482 (forward-line (1+ nlines))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
483 (forward-line 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
484 (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
485 (tag (format "%5d" linenum))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
486 (empty (make-string (length tag) ?\ ))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
487 tem)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
488 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
489 (setq tem (make-marker))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
490 (set-marker tem (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
491 (set-buffer standard-output)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
492 (setq occur-pos-list (cons tem occur-pos-list))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
493 (or first (zerop nlines)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
494 (insert "--------\n"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
495 (setq first nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
496 (insert-buffer-substring buffer start end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
497 (set-marker final-context-start
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
498 (- (point) (- end (match-end 0))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
499 (backward-char (- end start))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
500 (setq tem (if (< nlines 0) (- nlines) nlines))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
501 (while (> tem 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
502 (insert empty ?:)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
503 (forward-line 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
504 (setq tem (1- tem)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
505 (let ((this-linenum linenum))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
506 (while (< (point) final-context-start)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
507 (if (null tag)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
508 (setq tag (format "%5d" this-linenum)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
509 (insert tag ?:)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
510 ;; FSFmacs -- we handle this using mode-motion-highlight-line, above.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
511 ; (put-text-property (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
512 ; (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
513 ; (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
514 ; (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
515 ; (end-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
516 ; (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
517 ; 'mouse-face 'highlight)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
518 (forward-line 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
519 (setq tag nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
520 (setq this-linenum (1+ this-linenum)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
521 (while (<= (point) final-context-start)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
522 (insert empty ?:)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
523 (forward-line 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
524 (setq this-linenum (1+ this-linenum))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
525 (while (< tem nlines)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
526 (insert empty ?:)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
527 (forward-line 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
528 (setq tem (1+ tem)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
529 (goto-char (point-max)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
530 (forward-line 1)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
531 (set-buffer standard-output)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
532 ;; Put positions in increasing order to go with buffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
533 (setq occur-pos-list (nreverse occur-pos-list))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
534 (goto-char (point-min))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
535 (if (= (length occur-pos-list) 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
536 (insert "1 line")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
537 (insert (format "%d lines" (length occur-pos-list))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
538 (if (interactive-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
539 (message "%d matching lines." (length occur-pos-list)))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
540
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
541 ;; It would be nice to use \\[...], but there is no reasonable way
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
542 ;; to make that display both SPC and Y.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
543 (defconst query-replace-help
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
544 (purecopy
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
545 "Type Space or `y' to replace one match, Delete or `n' to skip to next,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
546 RET or `q' to exit, Period to replace one match and exit,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
547 Comma to replace but not move point immediately,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
548 C-r to enter recursive edit (\\[exit-recursive-edit] to get out again),
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
549 C-w to delete match and recursive edit,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
550 C-l to clear the frame, redisplay, and offer same replacement again,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
551 ! to replace all remaining matches with no more questions,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
552 ^ to move point back to previous match."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
553 )
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
554 "Help message while in query-replace")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
555
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
556 (defvar query-replace-map nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
557 "Keymap that defines the responses to questions in `query-replace'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
558 The \"bindings\" in this map are not commands; they are answers.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
559 The valid answers include `act', `skip', `act-and-show',
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
560 `exit', `act-and-exit', `edit', `delete-and-edit', `recenter',
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
561 `automatic', `backup', `exit-prefix', and `help'.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
562
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
563 ;; Why does it seem that ever file has a different method of doing this?
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
564 (if query-replace-map
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
565 nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
566 (let ((map (make-sparse-keymap)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
567 (set-keymap-name map 'query-replace-map)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
568 (define-key map " " 'act)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
569 (define-key map "\d" 'skip)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
570 (define-key map [delete] 'skip)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
571 (define-key map [backspace] 'skip)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
572 (define-key map "y" 'act)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
573 (define-key map "n" 'skip)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
574 (define-key map "Y" 'act)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
575 (define-key map "N" 'skip)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
576 (define-key map "," 'act-and-show)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
577 (define-key map [escape] 'exit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
578 (define-key map "q" 'exit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
579 (define-key map [return] 'exit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
580 (define-key map "." 'act-and-exit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
581 (define-key map "\C-r" 'edit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
582 (define-key map "\C-w" 'delete-and-edit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
583 (define-key map "\C-l" 'recenter)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
584 (define-key map "!" 'automatic)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
585 (define-key map "^" 'backup)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
586 (define-key map [(control h)] 'help) ;; XEmacs change
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
587 (define-key map [f1] 'help)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
588 (define-key map [help] 'help)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
589 (define-key map "?" 'help)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
590 (define-key map "\C-g" 'quit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
591 (define-key map "\C-]" 'quit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
592 ;FSFmacs (define-key map "\e" 'exit-prefix)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
593 (define-key map [escape] 'exit-prefix)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
594
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
595 (setq query-replace-map map)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
596
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
597
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
598 (autoload 'isearch-highlight "isearch")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
599
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
600 ;; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
601 (defun perform-replace-next-event (event)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
602 (if isearch-highlight
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
603 (let ((aborted t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
604 (unwind-protect
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
605 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
606 (if (match-beginning 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
607 (isearch-highlight (match-beginning 0) (match-end 0)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
608 (next-command-event event)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
609 (setq aborted nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
610 (isearch-dehighlight aborted)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
611 (next-command-event event)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
612
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
613 (defun perform-replace (from-string replacements
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
614 query-flag regexp-flag delimited-flag
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
615 &optional repeat-count map)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
616 "Subroutine of `query-replace'. Its complexity handles interactive queries.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
617 Don't use this in your own program unless you want to query and set the mark
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
618 just as `query-replace' does. Instead, write a simple loop like this:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
619 (while (re-search-forward \"foo[ \t]+bar\" nil t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
620 (replace-match \"foobar\" nil nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
621 which will run faster and probably do exactly what you want."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
622 (or map (setq map query-replace-map))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
623 (let* ((event (make-event))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
624 (nocasify (not (and case-fold-search case-replace
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
625 (string-equal from-string
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
626 (downcase from-string)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
627 (literal (not regexp-flag))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
628 (search-function (if regexp-flag 're-search-forward 'search-forward))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
629 (search-string from-string)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
630 (real-match-data nil) ; the match data for the current match
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
631 (next-replacement nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
632 (replacement-index 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
633 (keep-going t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
634 (stack nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
635 (next-rotate-count 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
636 (replace-count 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
637 (lastrepl nil) ;Position after last match considered.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
638 (match-again t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
639 ;; XEmacs addition
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
640 (qr-case-fold-search
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
641 (if (and case-fold-search search-caps-disable-folding)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
642 (isearch-no-upper-case-p search-string)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
643 case-fold-search))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
644 (message
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
645 (if query-flag
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
646 (substitute-command-keys
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
647 "Query replacing %s with %s: (\\<query-replace-map>\\[help] for help) "))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
648 (if (stringp replacements)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
649 (setq next-replacement replacements)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
650 (or repeat-count (setq repeat-count 1)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
651 (if delimited-flag
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
652 (setq search-function 're-search-forward
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
653 search-string (concat "\\b"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
654 (if regexp-flag from-string
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
655 (regexp-quote from-string))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
656 "\\b")))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
657 (push-mark)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
658 (undo-boundary)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
659 (unwind-protect
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
660 ;; Loop finding occurrences that perhaps should be replaced.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
661 (while (and keep-going
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
662 (not (eobp))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
663 (let ((case-fold-search qr-case-fold-search))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
664 (funcall search-function search-string nil t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
665 ;; If the search string matches immediately after
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
666 ;; the previous match, but it did not match there
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
667 ;; before the replacement was done, ignore the match.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
668 (if (or (eq lastrepl (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
669 (and regexp-flag
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
670 (eq lastrepl (match-beginning 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
671 (not match-again)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
672 (if (eobp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
673 nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
674 ;; Don't replace the null string
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
675 ;; right after end of previous replacement.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
676 (forward-char 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
677 (let ((case-fold-search qr-case-fold-search))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
678 (funcall search-function search-string nil t)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
679 t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
680
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
681 ;; Save the data associated with the real match.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
682 (setq real-match-data (match-data))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
683
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
684 ;; Before we make the replacement, decide whether the search string
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
685 ;; can match again just after this match.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
686 (if regexp-flag
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
687 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
688 (setq match-again (looking-at search-string))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
689 ;; XEmacs addition
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
690 (store-match-data real-match-data)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
691 ;; If time for a change, advance to next replacement string.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
692 (if (and (listp replacements)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
693 (= next-rotate-count replace-count))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
694 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
695 (setq next-rotate-count
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
696 (+ next-rotate-count repeat-count))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
697 (setq next-replacement (nth replacement-index replacements))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
698 (setq replacement-index (% (1+ replacement-index) (length replacements)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
699 (if (not query-flag)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
700 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
701 (store-match-data real-match-data)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
702 (replace-match next-replacement nocasify literal)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
703 (setq replace-count (1+ replace-count)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
704 (undo-boundary)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
705 (let ((help-form
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
706 '(concat (format "Query replacing %s%s with %s.\n\n"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
707 (if regexp-flag (gettext "regexp ") "")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
708 from-string next-replacement)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
709 (substitute-command-keys query-replace-help)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
710 done replaced def)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
711 ;; Loop reading commands until one of them sets done,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
712 ;; which means it has finished handling this occurrence.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
713 (while (not done)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
714 ;; Don't fill up the message log
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
715 ;; with a bunch of identical messages.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
716 ;; XEmacs change
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
717 (display-message 'prompt
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
718 (format message from-string next-replacement))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
719 (perform-replace-next-event event)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
720 (setq def (lookup-key map (vector event)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
721 ;; Restore the match data while we process the command.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
722 (store-match-data real-match-data)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
723 (cond ((eq def 'help)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
724 (with-output-to-temp-buffer (gettext "*Help*")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
725 (princ (concat
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
726 (format "Query replacing %s%s with %s.\n\n"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
727 (if regexp-flag "regexp " "")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
728 from-string next-replacement)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
729 (substitute-command-keys
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
730 query-replace-help)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
731 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
732 (set-buffer standard-output)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
733 (help-mode))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
734 ((eq def 'exit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
735 (setq keep-going nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
736 (setq done t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
737 ((eq def 'backup)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
738 (if stack
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
739 (let ((elt (car stack)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
740 (goto-char (car elt))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
741 (setq replaced (eq t (cdr elt)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
742 (or replaced
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
743 (store-match-data (cdr elt)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
744 (setq stack (cdr stack)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
745 (message "No previous match")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
746 (ding 'no-terminate)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
747 (sit-for 1)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
748 ((eq def 'act)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
749 (or replaced
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
750 (replace-match next-replacement nocasify literal))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
751 (setq done t replaced t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
752 ((eq def 'act-and-exit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
753 (or replaced
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
754 (replace-match next-replacement nocasify literal))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
755 (setq keep-going nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
756 (setq done t replaced t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
757 ((eq def 'act-and-show)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
758 (if (not replaced)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
759 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
760 (replace-match next-replacement nocasify literal)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
761 (store-match-data nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
762 (setq replaced t))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
763 ((eq def 'automatic)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
764 (or replaced
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
765 (replace-match next-replacement nocasify literal))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
766 (setq done t query-flag nil replaced t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
767 ((eq def 'skip)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
768 (setq done t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
769 ((eq def 'recenter)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
770 (recenter nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
771 ((eq def 'edit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
772 (store-match-data
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
773 (prog1 (match-data)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
774 (save-excursion (recursive-edit))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
775 ;; Before we make the replacement,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
776 ;; decide whether the search string
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
777 ;; can match again just after this match.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
778 (if regexp-flag
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
779 (setq match-again (looking-at search-string))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
780 ((eq def 'delete-and-edit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
781 (delete-region (match-beginning 0) (match-end 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
782 (store-match-data (prog1 (match-data)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
783 (save-excursion (recursive-edit))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
784 (setq replaced t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
785 ;; Note: we do not need to treat `exit-prefix'
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
786 ;; specially here, since we reread
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
787 ;; any unrecognized character.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
788 (t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
789 (setq this-command 'mode-exited)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
790 (setq keep-going nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
791 (setq unread-command-events
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
792 (cons event unread-command-events))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
793 (setq done t))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
794 ;; Record previous position for ^ when we move on.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
795 ;; Change markers to numbers in the match data
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
796 ;; since lots of markers slow down editing.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
797 (setq stack
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
798 (cons (cons (point)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
799 (or replaced
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
800 (mapcar
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
801 #'(lambda (elt)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
802 (if (markerp elt)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
803 (prog1 (marker-position elt)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
804 (set-marker elt nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
805 elt))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
806 (match-data))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
807 stack))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
808 (if replaced (setq replace-count (1+ replace-count)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
809 (setq lastrepl (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
810 (replace-dehighlight))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
811 (or unread-command-events
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
812 (message "Replaced %d occurrence%s"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
813 replace-count
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
814 (if (= replace-count 1) "" "s")))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
815 (and keep-going stack)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
816
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
817 (defvar query-replace-highlight nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
818 "*Non-nil means to highlight words during query replacement.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
819
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
820 (defvar replace-overlay nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
821
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
822 (defun replace-dehighlight ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
823 (and replace-overlay
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
824 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
825 (delete-overlay replace-overlay)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
826 (setq replace-overlay nil))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
827
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
828 (defun replace-highlight (start end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
829 (and query-replace-highlight
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
830 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
831 (or replace-overlay
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
832 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
833 (setq replace-overlay (make-overlay start end))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
834 (overlay-put replace-overlay 'face
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
835 (if (internal-find-face 'query-replace)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
836 'query-replace 'region))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
837 (move-overlay replace-overlay start end (current-buffer)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
838
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
839 (defun match-string (num &optional string)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
840 "Return string of text matched by last search.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
841 NUM specifies which parenthesized expression in the last regexp.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
842 Value is nil if NUMth pair didn't match, or there were less than NUM pairs.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
843 Zero means the entire text matched by the whole regexp or whole string.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
844 STRING should be given if the last search was by `string-match' on STRING."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
845 (if (match-beginning num)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
846 (if string
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
847 (substring string (match-beginning num) (match-end num))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
848 (buffer-substring (match-beginning num) (match-end num)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
849
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
850 (defmacro save-match-data (&rest body)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
851 "Execute BODY forms, restoring the global value of the match data."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
852 (let ((original (make-symbol "match-data")))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
853 (list 'let (list (list original '(match-data)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
854 (list 'unwind-protect
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
855 (cons 'progn body)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
856 (list 'store-match-data original)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
857
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
858 ;;; replace.el ends here