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428
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1 ;;; replace.el --- search and replace commands for XEmacs.
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2
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1476
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3 ;; Copyright (C) 1985-7, 1992, 1994, 1997, 2003 Free Software Foundation, Inc.
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428
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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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3000
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22 ;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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23 ;; Boston, MA 02110-1301, USA.
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428
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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 (defvar replace-search-function
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57 (lambda (str limit)
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58 (search-forward str limit t))
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444
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59 "Function used by perform-replace to search forward for a string. It will be
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60 called with two arguments: the string to search for and a limit bounding the
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61 search.")
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62
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63 (defvar replace-re-search-function
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64 (lambda (regexp limit)
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65 (re-search-forward regexp limit t))
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66 "Function used by perform-replace to search forward for a regular
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67 expression. It will be called with two arguments: the regexp to search for and
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68 a limit bounding the search.")
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69
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70 (defun query-replace-read-args (string regexp-flag)
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71 (let (from to)
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72 (if query-replace-interactive
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73 (setq from (car (if regexp-flag regexp-search-ring search-ring)))
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74 (setq from (read-from-minibuffer (format "%s: " (gettext string))
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75 nil nil nil
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76 'query-replace-history)))
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77 (setq to (read-from-minibuffer (format "%s %s with: " (gettext string)
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78 from)
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79 nil nil nil
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80 'query-replace-history))
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81 (list from to current-prefix-arg)))
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82
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83 ;; As per suggestion from Per Abrahamsen, limit replacement to the region
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84 ;; if the region is active.
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85 (defun query-replace (from-string to-string &optional delimited)
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86 "Replace some occurrences of FROM-STRING with TO-STRING.
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87 As each match is found, the user must type a character saying
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88 what to do with it. For directions, type \\[help-command] at that time.
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89
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90 If `query-replace-interactive' is non-nil, the last incremental search
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91 string is used as FROM-STRING--you don't have to specify it with the
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92 minibuffer.
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93
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94 Preserves case in each replacement if `case-replace' and `case-fold-search'
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95 are non-nil and FROM-STRING has no uppercase letters.
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96 \(Preserving case means that if the string matched is all caps, or capitalized,
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97 then its replacement is upcased or capitalized.)
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98
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99 Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
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100 only matches surrounded by word boundaries.
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101
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102 To customize possible responses, change the \"bindings\" in `query-replace-map'."
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103 (interactive (query-replace-read-args "Query replace" nil))
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104 (perform-replace from-string to-string t nil delimited))
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105
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106 (defun query-replace-regexp (regexp to-string &optional delimited)
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107 "Replace some things after point matching REGEXP with TO-STRING.
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108 As each match is found, the user must type a character saying
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109 what to do with it. For directions, type \\[help-command] at that time.
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110
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111 If `query-replace-interactive' is non-nil, the last incremental search
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112 regexp is used as REGEXP--you don't have to specify it with the
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113 minibuffer.
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114
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115 Preserves case in each replacement if `case-replace' and `case-fold-search'
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116 are non-nil and REGEXP has no uppercase letters.
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117 Third arg DELIMITED (prefix arg if interactive), if non-nil, means replace
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118 only matches surrounded by word boundaries.
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119 In TO-STRING, `\\&' stands for whatever matched the whole of REGEXP,
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120 and `\\=\\N' (where N is a digit) stands for
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121 whatever what matched the Nth `\\(...\\)' in REGEXP."
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122 (interactive (query-replace-read-args "Query replace regexp" t))
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123 (perform-replace regexp to-string t t delimited))
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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
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216 ;; gse wonders: Is there a better place for this to go? Might other packages
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217 ;; want to use it?
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218 (defvar regexp-history nil
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219 "History list for some commands that read regular expressions.")
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220
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221 (defun operate-on-non-matching-lines (regexp delete kill &optional beg end)
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222 "Internal function used by delete-non-matching-lines,
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223 kill-non-matching-lines, and copy-matching-lines.
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224
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225 REGEXP is a regular expression to *not* match when performing
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226 operations.
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227
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228 If DELETE is non-nil, the lines of text are deleted. It doesn't make
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229 sense to set this to nil if KILL is nil -- nothing will happen.
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230
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231 If KILL is non-nil, the lines of text are stored in the kill ring (as
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232 one block of text).
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233
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234 BEG and END, if non-nil, specify the start and end locations to work
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235 within. If these are nil, point and point-max are used.
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236
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237 A match split across lines preserves all the lines it lies in.
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238 Applies to all lines after point.
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239
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240 Returns the number of lines matched."
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241 (with-search-caps-disable-folding regexp t
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242 (save-excursion
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243 ;; Move to a beginning point if specified.
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244 (when beg (goto-char beg))
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245 ;; Always start on the beginning of a line.
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246 (or (bolp) (forward-line 1))
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247
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248 (let ((matched-text nil)
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249 (curmatch-start (point))
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250 (limit (copy-marker (point-max)))
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251 (matched-text-buffer (generate-new-buffer " *matched-text*"))
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252 lines-matched)
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253 ;; Limit search if limits were specified.
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254 (when end (setq limit (copy-marker end)))
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255
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256 ;; Search. Stop if we are at end of buffer or outside the
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257 ;; limit.
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258 (while (not (or
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259 (eobp)
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260 (and limit (>= (point) limit))))
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261 ;; curmatch-start is first char not preserved by previous match.
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262 (if (not (re-search-forward regexp limit 'move))
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263 (let ((curmatch-end limit))
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264 (append-to-buffer matched-text-buffer curmatch-start curmatch-end)
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265 (if delete (delete-region curmatch-start curmatch-end)))
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266 (let ((curmatch-end (save-excursion (goto-char (match-beginning 0))
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267 (beginning-of-line)
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268 (point))))
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269 ;; Now curmatch-end is first char preserved by the new match.
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270 (if (< curmatch-start curmatch-end)
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271 (progn
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272 (append-to-buffer matched-text-buffer curmatch-start curmatch-end)
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273 (if delete (delete-region curmatch-start curmatch-end))))))
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274 (setq curmatch-start (save-excursion (forward-line 1)
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275 (point)))
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276 ;; If the match was empty, avoid matching again at same place.
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277 (and (not (eobp)) (= (match-beginning 0) (match-end 0))
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278 (forward-char 1)))
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279
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280 ;; If any lines were matched and KILL is non-nil, insert the
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281 ;; matched lines into the kill ring.
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282 (setq matched-text (buffer-string matched-text-buffer))
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283 (if (and matched-text kill) (kill-new matched-text))
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284
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285 ;; Return the number of matched lines.
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286 (setq lines-matched
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287 (with-current-buffer matched-text-buffer
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288 (count-lines (point-min) (point-max))))
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289 (kill-buffer matched-text-buffer)
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290 lines-matched))))
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291
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428
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292 (define-function 'keep-lines 'delete-non-matching-lines)
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293 (defun delete-non-matching-lines (regexp)
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294 "Delete lines that do not match REGEXP, from point to the end of the
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295 buffer (or within the region, if it is active)."
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428
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296 (interactive (list (read-from-minibuffer
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297 "Keep lines (containing match for regexp): "
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298 nil nil nil 'regexp-history)))
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299 (let ((beg nil)
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300 (end nil)
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301 (count nil))
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302 (when (region-active-p)
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303 (setq beg (region-beginning))
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304 (setq end (region-end)))
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305 (setq count (operate-on-non-matching-lines regexp t nil beg end))
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306 (when (interactive-p)
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307 (message "%i lines deleted" count))))
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308
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309 (defun kill-non-matching-lines (regexp)
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310 "Delete the lines that do not match REGEXP, from point to the end of
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311 the buffer (or within the region, if it is active). The deleted lines
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312 are placed in the kill ring as one block of text."
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313 (interactive (list (read-from-minibuffer
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314 "Kill non-matching lines (regexp): "
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315 nil nil nil 'regexp-history)))
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316 (let ((beg nil)
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317 (end nil)
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318 (count nil))
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319 (when (region-active-p)
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320 (setq beg (region-beginning))
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321 (setq end (region-end)))
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322 (setq count (operate-on-non-matching-lines regexp t t beg end))
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323 (when (interactive-p)
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324 (message "%i lines killed" count))))
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325
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326 (defun copy-non-matching-lines (regexp)
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327 "Find all lines that do not match REGEXP from point to the end of the
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328 buffer (or within the region, if it is active), and place them in the
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329 kill ring as one block of text."
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330 (interactive (list (read-from-minibuffer
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331 "Copy non-matching lines (regexp): "
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332 nil nil nil 'regexp-history)))
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333 (let ((beg nil)
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334 (end nil)
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335 (count nil))
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336 (when (region-active-p)
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337 (setq beg (region-beginning))
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338 (setq end (region-end)))
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339 (setq count (operate-on-non-matching-lines regexp nil t beg end))
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1476
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340 (when (interactive-p)
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341 (message "%i lines copied" count))))
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342
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343 (defun operate-on-matching-lines (regexp delete kill &optional beg end)
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344 "Internal function used by delete-matching-lines, kill-matching-lines,
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345 and copy-matching-lines.
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346
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347 If DELETE is non-nil, the lines of text are deleted. It doesn't make
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348 sense to set this to nil if KILL is nil -- nothing will happen.
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349
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350 If KILL is non-nil, the lines of text are stored in the kill ring (as
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351 one block of text).
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352
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353 BEG and END, if non-nil, specify the start and end locations to work
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354 within. If these are nil, point and point-max are used.
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355
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356 If a match is split across lines, all the lines it lies in are deleted.
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357 Applies to lines after point.
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358 Returns the number of lines matched."
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359 (with-search-caps-disable-folding regexp t
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428
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360 (save-excursion
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1069
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361 (let ((matched-text nil)
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362 (curmatch-start nil)
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363 (curmatch-end nil)
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2610
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364 (limit nil)
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365 (matched-text-buffer (generate-new-buffer " *matched-text*"))
|
|
|
366 lines-matched)
|
|
1069
|
367 ;; Limit search if limits were specified.
|
|
|
368 (when beg (goto-char beg))
|
|
|
369 (when end (setq limit (copy-marker end)))
|
|
|
370
|
|
|
371 (while (and (not (eobp))
|
|
|
372 (re-search-forward regexp limit t))
|
|
|
373 (setq curmatch-start (save-excursion (goto-char (match-beginning 0))
|
|
|
374 (beginning-of-line)
|
|
|
375 (point)))
|
|
|
376 (setq curmatch-end (progn (forward-line 1) (point)))
|
|
2610
|
377 (append-to-buffer matched-text-buffer curmatch-start curmatch-end)
|
|
1069
|
378 (if delete (delete-region curmatch-start curmatch-end)))
|
|
2610
|
379 (setq matched-text (buffer-string matched-text-buffer))
|
|
1069
|
380 (if (and matched-text kill) (kill-new matched-text))
|
|
|
381
|
|
|
382 ;; Return the number of matched lines.
|
|
2610
|
383 (setq lines-matched
|
|
|
384 (with-current-buffer matched-text-buffer
|
|
|
385 (count-lines (point-min) (point-max))))
|
|
|
386 (kill-buffer matched-text-buffer)
|
|
|
387 lines-matched))))
|
|
428
|
388
|
|
|
389 (define-function 'flush-lines 'delete-matching-lines)
|
|
|
390 (defun delete-matching-lines (regexp)
|
|
1069
|
391 "Delete the lines that match REGEXP, from point to the end of the
|
|
|
392 buffer (or within the region, if it is active)."
|
|
428
|
393 (interactive (list (read-from-minibuffer
|
|
|
394 "Flush lines (containing match for regexp): "
|
|
|
395 nil nil nil 'regexp-history)))
|
|
1069
|
396 (let ((beg nil)
|
|
|
397 (end nil)
|
|
|
398 (count nil))
|
|
|
399 (when (region-active-p)
|
|
|
400 (setq beg (region-beginning))
|
|
|
401 (setq end (region-end)))
|
|
|
402 (setq count (operate-on-matching-lines regexp t nil beg end))
|
|
1476
|
403 (when (interactive-p)
|
|
|
404 (message "%i lines deleted" count))))
|
|
1069
|
405
|
|
|
406 (defun kill-matching-lines (regexp)
|
|
|
407 "Delete the lines that match REGEXP, from point to the end of the
|
|
|
408 buffer (or within the region, if it is active). The deleted lines are
|
|
|
409 placed in the kill ring as one block of text."
|
|
|
410 (interactive (list (read-from-minibuffer
|
|
|
411 "Kill lines (containing match for regexp): "
|
|
|
412 nil nil nil 'regexp-history)))
|
|
|
413 (let ((beg nil)
|
|
|
414 (end nil)
|
|
|
415 (count nil))
|
|
|
416 (when (region-active-p)
|
|
|
417 (setq beg (region-beginning))
|
|
|
418 (setq end (region-end)))
|
|
|
419 (setq count (operate-on-matching-lines regexp t t beg end))
|
|
1476
|
420 (when (interactive-p)
|
|
|
421 (message "%i lines killed" count))))
|
|
1069
|
422
|
|
|
423 (defun copy-matching-lines (regexp)
|
|
|
424 "Find all lines that match REGEXP from point to the end of the
|
|
|
425 buffer (or within the region, if it is active), and place them in the
|
|
|
426 kill ring as one block of text."
|
|
|
427 (interactive (list (read-from-minibuffer
|
|
|
428 "Copy lines (containing match for regexp): "
|
|
|
429 nil nil nil 'regexp-history)))
|
|
|
430 (let ((beg nil)
|
|
|
431 (end nil)
|
|
|
432 (count nil))
|
|
|
433 (when (region-active-p)
|
|
|
434 (setq beg (region-beginning))
|
|
|
435 (setq end (region-end)))
|
|
|
436 (setq count (operate-on-matching-lines regexp nil t beg end))
|
|
1476
|
437 (when (interactive-p)
|
|
|
438 (message "%i lines copied" count))))
|
|
428
|
439
|
|
|
440 (define-function 'how-many 'count-matches)
|
|
|
441 (defun count-matches (regexp)
|
|
|
442 "Print number of matches for REGEXP following point."
|
|
|
443 (interactive (list (read-from-minibuffer
|
|
|
444 "How many matches for (regexp): "
|
|
|
445 nil nil nil 'regexp-history)))
|
|
|
446 (with-interactive-search-caps-disable-folding regexp t
|
|
|
447 (let ((count 0) opoint)
|
|
|
448 (save-excursion
|
|
|
449 (while (and (not (eobp))
|
|
|
450 (progn (setq opoint (point))
|
|
|
451 (re-search-forward regexp nil t)))
|
|
|
452 (if (= opoint (point))
|
|
|
453 (forward-char 1)
|
|
|
454 (setq count (1+ count))))
|
|
|
455 (message "%d occurrences" count)))))
|
|
|
456
|
|
|
457
|
|
3000
|
458 ;;; occur code moved to occur.el
|
|
428
|
459
|
|
|
460 ;; It would be nice to use \\[...], but there is no reasonable way
|
|
|
461 ;; to make that display both SPC and Y.
|
|
|
462 (defconst query-replace-help
|
|
444
|
463 "Type Space or `y' to replace one match, Delete or `n' to skip to next,
|
|
428
|
464 RET or `q' to exit, Period to replace one match and exit,
|
|
|
465 Comma to replace but not move point immediately,
|
|
|
466 C-r to enter recursive edit (\\[exit-recursive-edit] to get out again),
|
|
|
467 C-w to delete match and recursive edit,
|
|
|
468 C-l to clear the frame, redisplay, and offer same replacement again,
|
|
|
469 ! to replace all remaining matches with no more questions,
|
|
|
470 ^ to move point back to previous match."
|
|
444
|
471
|
|
428
|
472 "Help message while in query-replace")
|
|
|
473
|
|
|
474 (defvar query-replace-map nil
|
|
|
475 "Keymap that defines the responses to questions in `query-replace'.
|
|
|
476 The \"bindings\" in this map are not commands; they are answers.
|
|
|
477 The valid answers include `act', `skip', `act-and-show',
|
|
|
478 `exit', `act-and-exit', `edit', `delete-and-edit', `recenter',
|
|
|
479 `automatic', `backup', `exit-prefix', and `help'.")
|
|
|
480
|
|
|
481 ;; Why does it seem that ever file has a different method of doing this?
|
|
|
482 (if query-replace-map
|
|
|
483 nil
|
|
|
484 (let ((map (make-sparse-keymap)))
|
|
|
485 (set-keymap-name map 'query-replace-map)
|
|
|
486 (define-key map " " 'act)
|
|
|
487 (define-key map "\d" 'skip)
|
|
|
488 (define-key map [delete] 'skip)
|
|
|
489 (define-key map [backspace] 'skip)
|
|
|
490 (define-key map "y" 'act)
|
|
|
491 (define-key map "n" 'skip)
|
|
|
492 (define-key map "Y" 'act)
|
|
|
493 (define-key map "N" 'skip)
|
|
|
494 (define-key map "," 'act-and-show)
|
|
|
495 (define-key map [escape] 'exit)
|
|
|
496 (define-key map "q" 'exit)
|
|
|
497 (define-key map [return] 'exit)
|
|
|
498 (define-key map "." 'act-and-exit)
|
|
|
499 (define-key map "\C-r" 'edit)
|
|
|
500 (define-key map "\C-w" 'delete-and-edit)
|
|
|
501 (define-key map "\C-l" 'recenter)
|
|
|
502 (define-key map "!" 'automatic)
|
|
|
503 (define-key map "^" 'backup)
|
|
|
504 (define-key map [(control h)] 'help) ;; XEmacs change
|
|
|
505 (define-key map [f1] 'help)
|
|
|
506 (define-key map [help] 'help)
|
|
|
507 (define-key map "?" 'help)
|
|
|
508 (define-key map "\C-g" 'quit)
|
|
|
509 (define-key map "\C-]" 'quit)
|
|
|
510 ;FSFmacs (define-key map "\e" 'exit-prefix)
|
|
|
511 (define-key map [escape] 'exit-prefix)
|
|
444
|
512
|
|
428
|
513 (setq query-replace-map map)))
|
|
|
514
|
|
|
515 ;; isearch-mode is dumped, so don't autoload.
|
|
|
516 ;(autoload 'isearch-highlight "isearch")
|
|
|
517
|
|
|
518 ;; XEmacs
|
|
|
519 (defun perform-replace-next-event (event)
|
|
442
|
520 (if search-highlight
|
|
428
|
521 (let ((aborted t))
|
|
|
522 (unwind-protect
|
|
|
523 (progn
|
|
|
524 (if (match-beginning 0)
|
|
|
525 (isearch-highlight (match-beginning 0) (match-end 0)))
|
|
|
526 (next-command-event event)
|
|
|
527 (setq aborted nil))
|
|
|
528 (isearch-dehighlight aborted)))
|
|
|
529 (next-command-event event)))
|
|
|
530
|
|
|
531 (defun perform-replace (from-string replacements
|
|
|
532 query-flag regexp-flag delimited-flag
|
|
|
533 &optional repeat-count map)
|
|
|
534 "Subroutine of `query-replace'. Its complexity handles interactive queries.
|
|
|
535 Don't use this in your own program unless you want to query and set the mark
|
|
|
536 just as `query-replace' does. Instead, write a simple loop like this:
|
|
|
537 (while (re-search-forward \"foo[ \t]+bar\" nil t)
|
|
|
538 (replace-match \"foobar\" nil nil))
|
|
|
539 which will run faster and probably do exactly what you want.
|
|
444
|
540 When searching for a match, this function uses
|
|
|
541 `replace-search-function' and `replace-re-search-function'."
|
|
428
|
542 (or map (setq map query-replace-map))
|
|
|
543 (let* ((event (make-event))
|
|
|
544 (nocasify (not (and case-fold-search case-replace
|
|
|
545 (string-equal from-string
|
|
|
546 (downcase from-string)))))
|
|
|
547 (literal (not regexp-flag))
|
|
444
|
548 (search-function (if regexp-flag
|
|
|
549 replace-re-search-function
|
|
428
|
550 replace-search-function))
|
|
|
551 (search-string from-string)
|
|
|
552 (real-match-data nil) ; the match data for the current match
|
|
|
553 (next-replacement nil)
|
|
|
554 (replacement-index 0)
|
|
|
555 (keep-going t)
|
|
|
556 (stack nil)
|
|
|
557 (next-rotate-count 0)
|
|
|
558 (replace-count 0)
|
|
|
559 (lastrepl nil) ;Position after last match considered.
|
|
|
560 ;; If non-nil, it is marker saying where in the buffer to
|
|
|
561 ;; stop.
|
|
|
562 (limit nil)
|
|
|
563 (match-again t)
|
|
|
564 ;; XEmacs addition
|
|
|
565 (qr-case-fold-search
|
|
|
566 (if (and case-fold-search search-caps-disable-folding)
|
|
|
567 (no-upper-case-p search-string regexp-flag)
|
|
|
568 case-fold-search))
|
|
|
569 (message
|
|
|
570 (if query-flag
|
|
|
571 (substitute-command-keys
|
|
|
572 "Query replacing %s with %s: (\\<query-replace-map>\\[help] for help) "))))
|
|
|
573 ;; If the region is active, operate on region.
|
|
|
574 (when (region-active-p)
|
|
|
575 ;; Original Per Abrahamsen's code simply narrowed the region,
|
|
|
576 ;; thus providing a visual indication of the search boundary.
|
|
|
577 ;; Stallman, on the other hand, handles it like this.
|
|
|
578 (setq limit (copy-marker (region-end)))
|
|
|
579 (goto-char (region-beginning))
|
|
|
580 (zmacs-deactivate-region))
|
|
|
581 (if (stringp replacements)
|
|
|
582 (setq next-replacement replacements)
|
|
|
583 (or repeat-count (setq repeat-count 1)))
|
|
|
584 (if delimited-flag
|
|
|
585 (setq search-function replace-re-search-function
|
|
|
586 search-string (concat "\\b"
|
|
|
587 (if regexp-flag from-string
|
|
|
588 (regexp-quote from-string))
|
|
|
589 "\\b")))
|
|
|
590 (push-mark)
|
|
|
591 (undo-boundary)
|
|
|
592 (unwind-protect
|
|
|
593 ;; Loop finding occurrences that perhaps should be replaced.
|
|
|
594 (while (and keep-going
|
|
|
595 (not (eobp))
|
|
|
596 (or (null limit) (< (point) limit))
|
|
|
597 (let ((case-fold-search qr-case-fold-search))
|
|
|
598 (funcall search-function search-string limit))
|
|
|
599 ;; If the search string matches immediately after
|
|
|
600 ;; the previous match, but it did not match there
|
|
|
601 ;; before the replacement was done, ignore the match.
|
|
|
602 (if (or (eq lastrepl (point))
|
|
|
603 (and regexp-flag
|
|
|
604 (eq lastrepl (match-beginning 0))
|
|
|
605 (not match-again)))
|
|
|
606 (if (or (eobp)
|
|
|
607 (and limit (>= (point) limit)))
|
|
|
608 nil
|
|
444
|
609 ;; Don't replace the null string
|
|
428
|
610 ;; right after end of previous replacement.
|
|
|
611 (forward-char 1)
|
|
|
612 (let ((case-fold-search qr-case-fold-search))
|
|
|
613 (funcall search-function search-string limit)))
|
|
|
614 t))
|
|
|
615
|
|
|
616 ;; Save the data associated with the real match.
|
|
|
617 (setq real-match-data (match-data))
|
|
|
618
|
|
|
619 ;; Before we make the replacement, decide whether the search string
|
|
|
620 ;; can match again just after this match.
|
|
|
621 (if regexp-flag
|
|
444
|
622 (progn
|
|
428
|
623 (setq match-again (looking-at search-string))
|
|
|
624 ;; XEmacs addition
|
|
|
625 (store-match-data real-match-data)))
|
|
|
626 ;; If time for a change, advance to next replacement string.
|
|
|
627 (if (and (listp replacements)
|
|
|
628 (= next-rotate-count replace-count))
|
|
|
629 (progn
|
|
|
630 (setq next-rotate-count
|
|
|
631 (+ next-rotate-count repeat-count))
|
|
|
632 (setq next-replacement (nth replacement-index replacements))
|
|
|
633 (setq replacement-index (% (1+ replacement-index) (length replacements)))))
|
|
|
634 (if (not query-flag)
|
|
|
635 (progn
|
|
|
636 (store-match-data real-match-data)
|
|
|
637 (replace-match next-replacement nocasify literal)
|
|
|
638 (setq replace-count (1+ replace-count)))
|
|
|
639 (undo-boundary)
|
|
|
640 (let ((help-form
|
|
|
641 '(concat (format "Query replacing %s%s with %s.\n\n"
|
|
|
642 (if regexp-flag (gettext "regexp ") "")
|
|
|
643 from-string next-replacement)
|
|
|
644 (substitute-command-keys query-replace-help)))
|
|
|
645 done replaced def)
|
|
|
646 ;; Loop reading commands until one of them sets done,
|
|
|
647 ;; which means it has finished handling this occurrence.
|
|
|
648 (while (not done)
|
|
|
649 ;; Don't fill up the message log
|
|
|
650 ;; with a bunch of identical messages.
|
|
|
651 ;; XEmacs change
|
|
|
652 (display-message 'prompt
|
|
|
653 (format message from-string next-replacement))
|
|
|
654 (perform-replace-next-event event)
|
|
|
655 (setq def (lookup-key map (vector event)))
|
|
|
656 ;; Restore the match data while we process the command.
|
|
|
657 (store-match-data real-match-data)
|
|
|
658 (cond ((eq def 'help)
|
|
|
659 (with-output-to-temp-buffer (gettext "*Help*")
|
|
|
660 (princ (concat
|
|
|
661 (format "Query replacing %s%s with %s.\n\n"
|
|
|
662 (if regexp-flag "regexp " "")
|
|
|
663 from-string next-replacement)
|
|
|
664 (substitute-command-keys
|
|
|
665 query-replace-help)))
|
|
|
666 (save-excursion
|
|
|
667 (set-buffer standard-output)
|
|
|
668 (help-mode))))
|
|
|
669 ((eq def 'exit)
|
|
|
670 (setq keep-going nil)
|
|
|
671 (setq done t))
|
|
|
672 ((eq def 'backup)
|
|
|
673 (if stack
|
|
|
674 (let ((elt (car stack)))
|
|
|
675 (goto-char (car elt))
|
|
|
676 (setq replaced (eq t (cdr elt)))
|
|
|
677 (or replaced
|
|
|
678 (store-match-data (cdr elt)))
|
|
|
679 (setq stack (cdr stack)))
|
|
|
680 (message "No previous match")
|
|
|
681 (ding 'no-terminate)
|
|
|
682 (sit-for 1)))
|
|
|
683 ((eq def 'act)
|
|
|
684 (or replaced
|
|
|
685 (replace-match next-replacement nocasify literal))
|
|
|
686 (setq done t replaced t))
|
|
|
687 ((eq def 'act-and-exit)
|
|
|
688 (or replaced
|
|
|
689 (replace-match next-replacement nocasify literal))
|
|
|
690 (setq keep-going nil)
|
|
|
691 (setq done t replaced t))
|
|
|
692 ((eq def 'act-and-show)
|
|
|
693 (if (not replaced)
|
|
|
694 (progn
|
|
|
695 (replace-match next-replacement nocasify literal)
|
|
|
696 (store-match-data nil)
|
|
|
697 (setq replaced t))))
|
|
|
698 ((eq def 'automatic)
|
|
|
699 (or replaced
|
|
|
700 (replace-match next-replacement nocasify literal))
|
|
|
701 (setq done t query-flag nil replaced t))
|
|
|
702 ((eq def 'skip)
|
|
|
703 (setq done t))
|
|
|
704 ((eq def 'recenter)
|
|
|
705 (recenter nil))
|
|
|
706 ((eq def 'edit)
|
|
|
707 (store-match-data
|
|
|
708 (prog1 (match-data)
|
|
|
709 (save-excursion (recursive-edit))))
|
|
|
710 ;; Before we make the replacement,
|
|
|
711 ;; decide whether the search string
|
|
|
712 ;; can match again just after this match.
|
|
|
713 (if regexp-flag
|
|
|
714 (setq match-again (looking-at search-string))))
|
|
|
715 ((eq def 'delete-and-edit)
|
|
|
716 (delete-region (match-beginning 0) (match-end 0))
|
|
|
717 (store-match-data (prog1 (match-data)
|
|
|
718 (save-excursion (recursive-edit))))
|
|
|
719 (setq replaced t))
|
|
|
720 ;; Note: we do not need to treat `exit-prefix'
|
|
|
721 ;; specially here, since we reread
|
|
|
722 ;; any unrecognized character.
|
|
|
723 (t
|
|
|
724 (setq this-command 'mode-exited)
|
|
|
725 (setq keep-going nil)
|
|
|
726 (setq unread-command-events
|
|
|
727 (cons event unread-command-events))
|
|
|
728 (setq done t))))
|
|
|
729 ;; Record previous position for ^ when we move on.
|
|
|
730 ;; Change markers to numbers in the match data
|
|
|
731 ;; since lots of markers slow down editing.
|
|
|
732 (setq stack
|
|
|
733 (cons (cons (point)
|
|
|
734 (or replaced
|
|
|
735 (match-data t)))
|
|
|
736 stack))
|
|
|
737 (if replaced (setq replace-count (1+ replace-count)))))
|
|
|
738 (setq lastrepl (point)))
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|
|
739 ;; Useless in XEmacs. We handle (de)highlighting through
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|
740 ;; perform-replace-next-event.
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|
|
741 ;(replace-dehighlight)
|
|
|
742 )
|
|
|
743 (or unread-command-events
|
|
|
744 (message "Replaced %d occurrence%s"
|
|
|
745 replace-count
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|
|
746 (if (= replace-count 1) "" "s")))
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|
|
747 (and keep-going stack)))
|
|
|
748
|
|
|
749 ;; FSFmacs code: someone should port it.
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|
|
750
|
|
|
751 ;(defvar query-replace-highlight nil
|
|
|
752 ; "*Non-nil means to highlight words during query replacement.")
|
|
|
753
|
|
|
754 ;(defvar replace-overlay nil)
|
|
|
755
|
|
|
756 ;(defun replace-dehighlight ()
|
|
|
757 ; (and replace-overlay
|
|
|
758 ; (progn
|
|
|
759 ; (delete-overlay replace-overlay)
|
|
|
760 ; (setq replace-overlay nil))))
|
|
|
761
|
|
|
762 ;(defun replace-highlight (start end)
|
|
|
763 ; (and query-replace-highlight
|
|
|
764 ; (progn
|
|
|
765 ; (or replace-overlay
|
|
|
766 ; (progn
|
|
|
767 ; (setq replace-overlay (make-overlay start end))
|
|
|
768 ; (overlay-put replace-overlay 'face
|
|
|
769 ; (if (internal-find-face 'query-replace)
|
|
|
770 ; 'query-replace 'region))))
|
|
|
771 ; (move-overlay replace-overlay start end (current-buffer)))))
|
|
|
772
|
|
|
773 ;;; replace.el ends here
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