annotate .elisp/django-html-mode.el @ 336:ea73ef5dc38c

emacs: avoid weird package.el breakage with newish packages I've been toting around this package.el from 2009 or so, and something in the package format seems to have changed that broke me. Thanks to some related diagnostics by Lucas, I've grabbed the last package.el that worked with emacs 23 and stashed it here. This seems to work, modulo some things (notably js2-mode and smex) now seem to require emacs 24 if you install them using package.el, so this will end up being brittle on my last couple of emacs23 machines.
author Augie Fackler <raf@durin42.com>
date Thu, 29 May 2014 14:30:42 -0400
parents 16b57e1fc23d
children
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1 ;; This django-html-mode is mainly derived from html mode
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2 (require 'sgml-mode)
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3
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4 (defvar django-html-mode-hook nil)
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5
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6 (defvar django-html-mode-map
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7 (let ((django-html-mode-map (make-keymap)))
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8 (define-key django-html-mode-map "\C-j" 'newline-and-indent)
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9 django-html-mode-map)
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10 "Keymap for Django major mode")
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11
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12 ;; if : if, if not, if A or B, if not A or B, if not A and B
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13 ;; for : for a in alist reversed
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14 ;; forloop.counter The current iteration of the loop (1-indexed)
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15 ;; forloop.counter0 The current iteration of the loop (0-indexed)
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16 ;; forloop.revcounter The number of iterations from the end of the loop (1-indexed)
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17 ;; forloop.revcounter0 The number of iterations from the end of the loop (0-indexed)
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18 ;; forloop.first True if this is the first time through the loop
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19 ;; forloop.last True if this is the last time through the loop
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20 ;; forloop.parentloop For nested loops, this is the loop "above" the current one
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21
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22 ;; ifequal : ifequal A B
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23 ;; comment : {% This is comment %}
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24 ;; filter : {{ name | lower }}
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25
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26 ;; keyword-end : if, for, ifequal, block, ifnotequal, spaceless
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27 ;; keyword-3 : regroup
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28 ;; keyword-2 : for, ifequal
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29 ;; keyword-1 : if, block, extends, include, ifchanged, load, now, ssi, withratio
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30 ;; keyword-0 : else, spaceless
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31
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32 ;; start and end keyword for block/comment/variable
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33 (defconst django-html-open-block "{%")
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34 (defconst django-html-close-block "%}")
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35 (defconst django-html-open-comment "{#")
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36 (defconst django-html-close-comment "#}")
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37 (defconst django-html-open-variable "{{")
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38 (defconst django-html-close-variable "}}")
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39
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40 (defconst django-html-font-lock-keywords-1
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41 (append
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42 ;; html-mode keyword
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43 sgml-font-lock-keywords-1)
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44
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45 "First level keyword highlighting")
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46
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47 (defconst django-html-font-lock-keywords-2
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48 (append
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49 django-html-font-lock-keywords-1
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50 sgml-font-lock-keywords-2))
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51
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52 (defconst django-html-font-lock-keywords-3
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53 (append
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54 django-html-font-lock-keywords-1
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55 django-html-font-lock-keywords-2
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56
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57 `(;; comment
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58 (,(rx (eval django-html-open-comment)
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59 (1+ space)
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60 (0+ (not (any "#")))
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61 (1+ space)
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62 (eval django-html-close-comment))
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63 . font-lock-comment-face)
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64
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65 ;; variable font lock
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66 (,(rx (eval django-html-open-variable)
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67 (1+ space)
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68 (group (0+ (not (any "}"))))
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69 (1+ space)
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70 (eval django-html-close-variable))
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71 (1 font-lock-variable-name-face))
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72
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73 ;; start, end keyword font lock
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74 (,(rx (group (or (eval django-html-open-block)
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75 (eval django-html-close-block)
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76 (eval django-html-open-comment)
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77 (eval django-html-close-comment)
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78 (eval django-html-open-variable)
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79 (eval django-html-close-variable))))
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80 (1 font-lock-builtin-face))
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81
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82 ;; end prefix keyword font lock
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83 (,(rx (eval django-html-open-block)
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84 (1+ space)
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85 (group (and "end"
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86 ;; end prefix keywords
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87 (or "if" "for" "ifequal" "block" "ifnotequal" "spaceless" "filter")))
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88 (1+ space)
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89 (eval django-html-close-block))
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90 (1 font-lock-keyword-face))
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91
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92 ;; more words after keyword
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93 (,(rx (eval django-html-open-block)
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94 (1+ space)
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95 (group (or "extends" "for" "cycle" "filter" "if not" "else"
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96 "firstof" "debug" "if" "ifchanged" "ifequal" "ifnotequal"
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97 "include" "load" "now" "regroup" "spaceless" "ssi"
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98 "templatetag" "widthratio" "block"))
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99
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100 ;; TODO: is there a more beautiful way?
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101 (0+ (not (any "}")))
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102
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103 (1+ space)
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104 (eval django-html-close-block))
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105 (1 font-lock-keyword-face))
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106
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107 ;; TODO: if specific cases for supporting "or", "not", and "and"
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108
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109 ;; for sepcific cases for supporting in
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110 (,(rx (eval django-html-open-block)
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111 (1+ space)
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112 "for"
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113 (1+ space)
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114
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115 (group (1+ (or word ?_ ?.)))
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116
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117 (1+ space)
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118 (group "in")
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119 (1+ space)
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120
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121 (group (1+ (or word ?_ ?.)))
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122
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123 (group (? (1+ space) "reverse"))
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124
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125 (1+ space)
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126 (eval django-html-close-block))
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127 (1 font-lock-variable-name-face) (2 font-lock-keyword-face)
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128 (3 font-lock-variable-name-face) (4 font-lock-keyword-face)))))
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129
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130 (defvar django-html-font-lock-keywords
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131 django-html-font-lock-keywords-1)
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132
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133 (defvar django-html-mode-syntax-table
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134 (let ((django-html-mode-syntax-table (make-syntax-table)))
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135 django-html-mode-syntax-table)
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136 "Syntax table for django-html-mode")
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137
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138 ;;;###autoload
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139 (define-derived-mode django-html-mode html-mode "django-html"
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140 "Major mode for editing django html files(.djhtml)"
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141 :group 'django-html
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142
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143 ;; it mainly from sgml-mode font lock setting
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144 (set (make-local-variable 'font-lock-defaults)
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145 '((django-html-font-lock-keywords
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146 django-html-font-lock-keywords-1
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147 django-html-font-lock-keywords-2
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148 django-html-font-lock-keywords-3)
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149 nil t nil nil
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150 (font-lock-syntactic-keywords
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151 . sgml-font-lock-syntactic-keywords))))
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152
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153 (add-to-list 'auto-mode-alist '("\\.djhtml$'" . django-html-mode))
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154
16b57e1fc23d Add django-html-mode.
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155 (provide 'django-html-mode)