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generator.lisp - cl-yag - Common Lisp Yet Another website Generator |
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git clone git://bitreich.org/cl-yag/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/cl-yag/ (git://bitreich.org) |
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README |
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LICENSE |
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--- |
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generator.lisp (20812B) |
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--- |
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1 ;;;; GLOBAL VARIABLES |
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2 |
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3 (defparameter *articles* '()) |
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4 (defparameter *converters* '()) |
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5 (defparameter *days* '("Monday" "Tuesday" "Wednesday" "Thursday" |
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6 "Friday" "Saturday" "Sunday")) |
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7 (defparameter *months* '("January" "February" "March" "April" |
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8 "May" "June" "July" "August" "September" |
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9 "October" "November" "December")) |
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10 |
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11 ;; structure to store links |
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12 (defstruct article title tag date id tiny author rawdate converter) |
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13 (defstruct converter name command extension) |
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14 |
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15 ;;;; FUNCTIONS |
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16 |
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17 (require 'asdf) |
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18 |
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19 ;; return the day of the week |
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20 (defun get-day-of-week(day month year) |
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21 (multiple-value-bind |
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22 (second minute hour date month year day-of-week dst-p tz) |
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23 (decode-universal-time (encode-universal-time 0 0 0 day month year)) |
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24 (declare (ignore second minute hour date month year dst-p tz)) |
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25 day-of-week)) |
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26 |
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27 ;; parse the date to |
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28 (defun date-parse(date) |
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29 (if (= 8 (length date)) |
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30 (let* ((year (parse-integer date :start 0 :end 4)) |
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31 (monthnum (parse-integer date :start 4 :end 6)) |
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32 (daynum (parse-integer date :start 6 :end 8)) |
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33 (day (nth (get-day-of-week daynum monthnum year) *days*)) |
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34 (month (nth (- monthnum 1) *months*))) |
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35 (list |
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36 :dayname day |
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37 :daynumber daynum |
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38 :monthname month |
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39 :monthnumber monthnum |
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40 :year year)) |
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41 nil)) |
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42 |
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43 (defun post(&optional &key title tag date id (tiny nil) (author (getf *config* :webmaster)) (converter nil)) |
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44 (push (make-article :title title |
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45 :tag tag |
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46 :date (date-parse date) |
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47 :rawdate date |
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48 :tiny tiny |
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49 :author author |
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50 :id id |
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51 :converter converter) |
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52 *articles*)) |
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53 |
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54 ;; we add a converter to the list of the one availables |
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55 (defun converter(&optional &key name command extension) |
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56 (setf *converters* |
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57 (append |
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58 (list name |
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59 (make-converter :name name |
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60 :command command |
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61 :extension extension)) |
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62 *converters*))) |
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63 |
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64 ;; load data from metadata and load config |
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65 (load "data/articles.lisp") |
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66 (setf *articles* (reverse *articles*)) |
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67 |
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68 |
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69 ;; common-lisp don't have a replace string function natively |
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70 (defun replace-all (string part replacement &key (test #'char=)) |
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71 (with-output-to-string (out) |
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72 (loop with part-length = (length part) |
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73 for old-pos = 0 then (+ pos part-length) |
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74 for pos = (search part string |
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75 :start2 old-pos |
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76 :test test) |
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77 do (write-string string out |
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78 :start old-pos |
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79 :end (or pos (length string))) |
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80 when pos do (write-string replacement out) |
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81 while pos))) |
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82 |
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83 ;; common-lisp don't have a split string function natively |
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84 (defun split-str(text &optional (separator #\Space)) |
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85 "this function split a string with separator and return a list" |
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86 (let ((text (concatenate 'string text (string separator)))) |
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87 (loop for char across text |
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88 counting char into count |
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89 when (char= char separator) |
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90 collect |
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91 ;; we look at the position of the left separator from right to left |
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92 (let ((left-separator-position (position separator text :from-end t :end (- count 1)))) |
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93 (subseq text |
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94 ;; if we can't find a separator at the left of the current, then it's the start of |
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95 ;; the string |
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96 (if left-separator-position (+ 1 left-separator-position) 0) |
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97 (- count 1)))))) |
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98 |
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99 ;; load a file as a string |
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100 ;; we escape ~ to avoid failures with format |
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101 (defun load-file(path) |
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102 (if (probe-file path) |
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103 (with-open-file (stream path) |
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104 (let ((contents (make-string (file-length stream)))) |
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105 (read-sequence contents stream) |
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106 contents)) |
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107 (progn |
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108 (format t "ERROR : file ~a not found. Aborting~%" path) |
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109 (quit)))) |
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110 |
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111 ;; save a string in a file |
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112 (defun save-file(path data) |
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113 (with-open-file (stream path :direction :output :if-exists :supersede) |
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114 (write-sequence data stream))) |
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115 |
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116 ;; simplify the str replace work |
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117 (defmacro template(before &body after) |
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118 `(progn |
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119 (setf output (replace-all output ,before ,@after)))) |
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120 |
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121 ;; get the converter object of "article" |
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122 (defmacro with-converter(&body code) |
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123 `(progn |
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124 (let ((converter-name (if (article-converter article) |
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125 (article-converter article) |
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126 (getf *config* :default-converter)))) |
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127 (let ((converter-object (getf *converters* converter-name))) |
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128 ,@code)))) |
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129 |
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130 ;; generate the html file from the source file |
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131 ;; using the converter associated with the post |
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132 (defun use-converter-to-html(filename &optional (converter-name nil)) |
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133 (let* ((converter-object (getf *converters* |
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134 (or converter-name |
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135 converter-name |
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136 (getf *config* :default-converter)))) |
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137 (output (converter-command converter-object)) |
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138 (src-file (format nil "~a~a" filename (converter-extension converter-object))) |
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139 (dst-file (format nil "temp/data/~a.html" filename )) |
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140 (full-src-file (format nil "data/~a" src-file))) |
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141 ;; skip generating if the destination exists |
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142 ;; and is more recent than source |
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143 (unless (and |
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144 (probe-file dst-file) |
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145 (>= |
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146 (file-write-date dst-file) |
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147 (file-write-date full-src-file))) |
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148 (ensure-directories-exist "temp/data/") |
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149 (template "%IN" src-file) |
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150 (template "%OUT" dst-file) |
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151 (format t "~a~%" output) |
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152 (uiop:run-program output)))) |
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153 |
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154 ;; format the date |
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155 (defun date-format(format date) |
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156 (let ((output format)) |
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157 (template "%DayName" (getf date :dayname)) |
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158 (template "%DayNumber" (format nil "~2,'0d" (getf date :daynumber))) |
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159 (template "%MonthName" (getf date :monthname)) |
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160 (template "%MonthNumber" (format nil "~2,'0d" (getf date :monthnumber))) |
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161 (template "%Year" (write-to-string (getf date :year ))) |
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162 output)) |
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163 |
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164 ;; simplify the declaration of a new page type |
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165 (defmacro prepare(template &body code) |
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166 `(progn |
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167 (let ((output (load-file ,template))) |
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168 ,@code |
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169 output))) |
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170 |
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171 ;; simplify the file saving by using the layout |
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172 (defmacro generate(name &body data) |
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173 `(progn |
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174 (save-file ,name (generate-layout ,@data)))) |
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175 |
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176 ;; generate a gemini index file |
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177 (defun generate-gemini-index(articles) |
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178 (let ((output (load-file "templates/gemini_head.tpl"))) |
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179 (dolist (article articles) |
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180 (setf output |
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181 (string |
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182 (concatenate 'string output |
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183 (format nil "=> ~a/articles/~a.gmi ~a-~2,'0d-~2,'0d ~a~%" |
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184 (getf *config* :gemini-path) |
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185 (article-id article) |
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186 (getf (article-date article) :year) |
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187 (getf (article-date article) :monthnumber) |
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188 (getf (article-date article) :daynumber) |
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189 (article-title article)))))) |
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190 output)) |
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191 |
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192 ;; generate a gopher index file |
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193 (defun generate-gopher-index(articles) |
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194 (let ((output (load-file "templates/gopher_head.tpl"))) |
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195 (dolist (article articles) |
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196 (setf output |
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197 (string |
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198 (concatenate 'string output |
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199 (format nil (getf *config* :gopher-format) |
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200 0 ;;;; gopher type, 0 for text files |
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201 ;; here we create a 80 width char string with title on the left |
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202 ;; and date on the right |
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203 ;; we truncate the article title if it's too large |
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204 (let ((title (format nil "~80a" |
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205 (if (< 80 (length (article-title article))) |
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206 (subseq (article-title article) 0 80) |
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207 (article-title article))))) |
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208 (replace title (article-rawdate article) :start1 (- (length title) (length (article-rawdate article))))) |
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209 (concatenate 'string |
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210 (getf *config* :gopher-path) "/article-" (article-id article) ".txt") |
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211 (getf *config* :gopher-server) |
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212 (getf *config* :gopher-port) |
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213 ))))) |
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214 output)) |
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215 |
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216 ;; generate the list of tags |
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217 (defun articles-by-tag() |
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218 (let ((tag-list)) |
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219 (loop for article in *articles* do |
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220 (when (article-tag article) ;; we don't want an error if no tag |
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221 (loop for tag in (split-str (article-tag article)) do ;; for each word in tag keyword |
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222 (setf (getf tag-list (intern tag "KEYWORD")) ;; we create the keyword is inexistent and add ID to :value |
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223 (list |
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224 :name tag |
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225 :value (push (article-id article) (getf (getf tag-list (intern tag "KEYWORD")) :value))))))) |
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226 (loop for i from 1 to (length tag-list) by 2 collect ;; removing the keywords |
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227 (nth i tag-list)))) |
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228 |
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229 ;; generates the html of the list of tags for an article |
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230 (defun get-tag-list-article(&optional article) |
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231 (apply #'concatenate 'string |
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232 (mapcar #'(lambda (item) |
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233 (prepare "templates/one-tag.tpl" (template "%%Name%%" item))) |
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234 (split-str (article-tag article))))) |
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235 |
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236 ;; generates the html of the whole list of tags |
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237 (defun get-tag-list() |
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238 (apply #'concatenate 'string |
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239 (mapcar #'(lambda (item) |
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240 (prepare "templates/one-tag.tpl" |
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241 (template "%%Name%%" (getf item :name)))) |
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242 (articles-by-tag)))) |
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243 |
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244 |
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245 ;; generates the html of only one article |
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246 ;; this is called in a loop to produce the homepage |
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247 (defun create-article(article &optional &key (tiny t) (no-text nil)) |
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248 (prepare "templates/article.tpl" |
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249 (template "%%Author%%" (let ((author (article-author article))) |
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250 (or author (getf *config* :webmaster)))) |
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251 (template "%%Date%%" (date-format (getf *config* :date-format) |
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252 (article-date article))) |
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253 (template "%%Raw-Date%%" (article-rawdate article)) |
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254 (template "%%Title%%" (article-title article)) |
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255 (template "%%Id%%" (article-id article)) |
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256 (template "%%Tags%%" (get-tag-list-article article)) |
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257 (template "%%Date-Url%%" (date-format "%Year-%MonthNumber-%DayNumber" |
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258 (article-date article))) |
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259 (template "%%Text%%" (if no-text |
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260 "" |
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261 (if (and tiny (article-tiny article)) |
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262 (format nil "<p>~a</p>" (article-tiny article)) |
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263 (load-file (format nil "temp/data/~d.html" (article-id article)))))))) |
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264 |
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265 ;; return a html string |
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266 ;; produce the code of a whole page with title+layout with the parameter as the content |
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267 (defun generate-layout(body &optional &key (title nil)) |
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268 (prepare "templates/layout.tpl" |
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269 (template "%%Title%%" (if title title (getf *config* :title))) |
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270 (template "%%Tags%%" (get-tag-list)) |
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271 (template "%%Body%%" body) |
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272 output)) |
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273 |
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274 |
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275 ;; html generation of index homepage |
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276 (defun generate-semi-mainpage(&key (tiny t) (no-text nil)) |
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277 (apply #'concatenate 'string |
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278 (loop for article in *articles* collect |
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279 (create-article article :tiny tiny :no-text no-text)))) |
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280 |
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281 ;; html generation of a tag homepage |
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282 (defun generate-tag-mainpage(articles-in-tag) |
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283 (apply #'concatenate 'string |
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284 (loop for article in *articles* |
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285 when (member (article-id article) articles-in-tag :test #'equal) |
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286 collect (create-article article :tiny t)))) |
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287 |
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288 ;; xml generation of the items for the rss |
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289 (defun generate-rss-item(&key (gopher nil)) |
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290 (apply #'concatenate 'string |
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291 (loop for article in *articles* |
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292 for i from 1 to (min (length *articles*) (getf *config* :rss-item-number)) |
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293 collect |
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294 (prepare "templates/rss-item.tpl" |
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295 (template "%%Title%%" (article-title article)) |
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296 (template "%%Description%%" (load-file (format nil "temp/data/~d.html" (article-id article)))) |
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297 (template "%%Date%%" (format nil |
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298 (date-format "~a, %DayNumber ~a %Year 00:00:00 GMT" |
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299 (article-date article)) |
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300 (subseq (getf (article-date article) :dayname) 0 3) |
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301 (subseq (getf (article-date article) :monthname) 0 3))) |
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302 (template "%%Url%%" |
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303 (if gopher |
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304 (format nil "gopher://~a:~d/0~a/article-~a.txt" |
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305 (getf *config* :gopher-server) |
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306 (getf *config* :gopher-port) |
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307 (getf *config* :gopher-path) |
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308 (article-id article)) |
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309 (format nil "~d~d-~d.html" |
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310 (getf *config* :url) |
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311 (date-format "%Year-%MonthNumber-%DayNumber" |
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312 (article-date article)) |
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313 (article-id article)))))))) |
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314 |
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315 |
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316 ;; Generate the rss xml data |
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317 (defun generate-rss(&key (gopher nil)) |
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318 (prepare "templates/rss.tpl" |
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319 (template "%%Description%%" (getf *config* :description)) |
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320 (template "%%Title%%" (getf *config* :title)) |
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321 (template "%%Url%%" (getf *config* :url)) |
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322 (template "%%Items%%" (generate-rss-item :gopher gopher)))) |
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323 |
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324 ;; We do all the website |
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325 (defun create-html-site() |
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326 |
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327 ;; produce each article file |
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328 (loop for article in *articles* |
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329 do |
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330 ;; use the article's converter to get html code of it |
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331 (use-converter-to-html (article-id article) (article-converter article)) |
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332 |
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333 (generate (format nil "output/html/~d-~d.html" |
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334 (date-format "%Year-%MonthNumber-%DayNumber" |
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335 (article-date article)) |
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336 (article-id article)) |
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337 (create-article article :tiny nil) |
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338 :title (concatenate 'string (getf *config* :title) " : " (article-title article)))) |
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339 |
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340 ;; produce index.html |
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341 (generate "output/html/index.html" (generate-semi-mainpage)) |
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342 |
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343 ;; produce index-titles.html where there are only articles titles |
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344 (generate "output/html/index-titles.html" (generate-semi-mainpage :no-text t)) |
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345 |
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346 ;; produce index file for each tag |
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347 (loop for tag in (articles-by-tag) do |
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348 (generate (format nil "output/html/tag-~d.html" (getf tag :NAME)) |
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349 (generate-tag-mainpage (getf tag :VALUE)))) |
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350 |
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351 ;; generate rss gopher in html folder if gopher is t |
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352 (when (getf *config* :gopher) |
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353 (save-file "output/html/rss-gopher.xml" (generate-rss :gopher t))) |
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354 |
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355 ;;(generate-file-rss) |
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356 (save-file "output/html/rss.xml" (generate-rss))) |
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357 |
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358 ;; we do all the gemini capsule |
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359 (defun create-gemini-capsule() |
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360 |
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361 ;; produce the index.gmi file |
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362 (save-file (concatenate 'string "output/gemini/" (getf *config* :gemini-index)) |
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363 (generate-gemini-index *articles*)) |
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364 |
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365 ;; produce a tag list menu |
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366 (let* ((directory-path "output/gemini/_tags_/") |
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367 (index-path (concatenate 'string directory-path (getf *config* :gemini-index)))) |
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368 (ensure-directories-exist directory-path) |
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369 (save-file index-path |
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370 (let ((output (load-file "templates/gemini_head.tpl"))) |
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371 (loop for tag in |
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372 ;; sort tags per articles in it |
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373 (sort (articles-by-tag) #'> |
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374 :key #'(lambda (x) (length (getf x :value)))) |
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375 do |
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376 (setf output |
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377 (string |
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378 (concatenate |
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379 'string output |
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380 (format nil "=> ~a/~a/index.gmi ~a ~d~%" |
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381 (getf *config* :gemini-path) |
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382 (getf tag :name) |
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383 (getf tag :name) |
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384 (length (getf tag :value))))))) |
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385 output))) |
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386 |
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387 ;; produce each tag gemini index |
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388 (loop for tag in (articles-by-tag) do |
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389 (let* ((directory-path (concatenate 'string "output/gemini/" (getf tag :NAME) "/")) |
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390 (index-path (concatenate 'string directory-path (getf *config* :gemini-index))) |
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391 (articles-with-tag (loop for article in *articles* |
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392 when (member (article-id article) (getf tag :VALUE) :test #'equal) |
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393 collect article))) |
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394 (ensure-directories-exist directory-path) |
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395 (save-file index-path (generate-gemini-index articles-with-tag)))) |
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396 |
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397 ;; produce each article file (adding some headers) |
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398 (loop for article in *articles* |
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399 do |
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400 (with-converter |
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401 (let ((id (article-id article))) |
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402 (save-file (format nil "output/gemini/articles/~a.gmi" id) |
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403 (format nil "~{~a~}" |
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404 (list |
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405 "Title : " (article-title article) #\Newline |
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406 "Author: " (article-author article) #\Newline |
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407 "Date : " (date-format (getf *config* :date-format) (article-date article)) #\Newline |
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408 "Tags : " (article-tag article) #\Newline #\Newline |
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409 (load-file (format nil "data/~d~d" id (converter-extension converter-object)))))))))) |
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410 |
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411 ;; we do all the gopher hole |
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412 (defun create-gopher-hole() |
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413 |
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414 ;;(generate-file-rss) |
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415 (save-file "output/gopher/rss.xml" (generate-rss :gopher t)) |
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416 |
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417 ;; produce the gophermap file |
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418 (save-file (concatenate 'string "output/gopher/" (getf *config* :gopher-index)) |
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419 (generate-gopher-index *articles*)) |
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420 |
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421 ;; produce a tag list menu |
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422 (let* ((directory-path "output/gopher/_tags_/") |
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423 (index-path (concatenate 'string directory-path (getf *config* :gopher-index)))) |
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424 (ensure-directories-exist directory-path) |
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425 (save-file index-path |
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426 (let ((output (load-file "templates/gopher_head.tpl"))) |
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427 (loop for tag in |
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428 ;; sort tags per articles in it |
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429 (sort (articles-by-tag) #'> |
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430 :key #'(lambda (x) (length (getf x :value)))) |
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431 do |
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432 (setf output |
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433 (string |
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434 (concatenate |
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435 'string output |
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436 (format nil (getf *config* :gopher-format) |
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437 1 ;; gopher type, 1 for menus |
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438 ;; here we create a 72 width char string with title on the left |
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439 ;; and number of articles on the right |
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440 ;; we truncate the article title if it's too large |
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441 (let ((title (format nil "~72a" |
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442 (if (< 72 (length (getf tag :NAME))) |
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443 (subseq (getf tag :NAME) 0 80) |
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444 (getf tag :NAME)))) |
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445 (article-number (format nil "~d article~p" (length (getf tag :value)) (length (getf tag :value))))) |
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446 (replace title article-number :start1 (- (length title) (length article-number)))) |
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447 (concatenate 'string |
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448 (getf *config* :gopher-path) "/" (getf tag :NAME) "/") |
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449 (getf *config* :gopher-server) |
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450 (getf *config* :gopher-port) |
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451 ))))) |
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452 output))) |
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453 |
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454 ;; produce each tag gophermap index |
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455 (loop for tag in (articles-by-tag) do |
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456 (let* ((directory-path (concatenate 'string "output/gopher/" (getf tag :NAME) "/")) |
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457 (index-path (concatenate 'string directory-path (getf *config* :gopher-index))) |
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458 (articles-with-tag (loop for article in *articles* |
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459 when (member (article-id article) (getf tag :VALUE) :test #'equal) |
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460 collect article))) |
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461 (ensure-directories-exist directory-path) |
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462 (save-file index-path (generate-gopher-index articles-with-tag)))) |
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463 |
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464 ;; produce each article file (adding some headers) |
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465 (loop for article in *articles* |
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466 do |
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467 (with-converter |
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468 (let ((id (article-id article))) |
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469 (save-file (format nil "output/gopher/article-~d.txt" id) |
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470 (format nil "Title: ~a~%Author: ~a~%Date: ~a~%Tags: ~a~%============~%~%~a" |
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471 (article-title article) |
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472 (article-author article) |
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473 (date-format (getf *config* :date-format) (article-date article)) |
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474 (article-tag article) |
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475 (load-file (format nil "data/~d~d" id (converter-extension converter-object))))))))) |
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476 |
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477 |
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478 ;; This is function called when running the tool |
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479 (defun generate-site() |
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480 (if (getf *config* :html) |
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481 (create-html-site)) |
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482 (if (getf *config* :gemini) |
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483 (create-gemini-capsule)) |
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484 (if (getf *config* :gopher) |
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485 (create-gopher-hole))) |
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486 |
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487 ;;;; EXECUTION |
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488 |
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489 (generate-site) |
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490 |
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491 (quit) |
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