1 | /* |
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2 | * A template for JavaScript comic plugin for WebStrips |
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3 | * |
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4 | * License: |
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5 | * |
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6 | * This program is free software; you can redistribute it and/or modify |
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7 | * it under the terms of the GNU General Public License as published by |
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8 | * the Free Software Foundation; either version 2 of the License, or (at |
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9 | * your option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, but |
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12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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14 | * Public License for more details. |
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15 | * |
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16 | * http://www.opensource.org/licenses/gpl-license.php |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License along |
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19 | * with this program; if not, write to the Free Software Foundation, |
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20 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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21 | * |
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22 | */ |
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23 | |
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24 | /* |
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25 | * place any global variables and support functions here ... |
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26 | */ |
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27 | |
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28 | |
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29 | var PATTERN_RE = new RegExp("<a href=\"/cartoons/\\?id\\=(\\d{8})\"><img.*src\\=\"(http://www\\.userfriendly\\.org/cartoons/archives/[^\"]*)\"\\ "); |
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30 | |
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31 | var ANCHOR_RE = new RegExp("http://ars\\.userfriendly\\.org/cartoons/\\?id\\=(\\d{8})\"><IMG ALT=\"Latest Strip\""); |
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32 | |
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33 | var PREV_RE = new RegExp("<area[^>]*href=\"/cartoons/\\?id\\=(\\d{8})[^\"]*\" coords=\"[0-9, ]+\" alt=\"Prev[^>]*>"); |
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34 | |
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35 | var NEXT_RE = new RegExp("<area[^>]*href=\"/cartoons/\\?id\\=(\\d{8})[^\"]*\" coords=\"[0-9, ]+\" alt=\"\"[^>]*>"); |
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36 | |
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37 | function parseDate(str) { |
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38 | |
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39 | var m = str.match(/(\d\d\d\d)(\d\d)(\d\d)/); |
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40 | if (m) { |
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41 | |
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42 | return new Date(m[1] + "/" + m[2] + "/" + m[3]); |
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43 | |
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44 | } else return new Date(); |
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45 | |
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46 | } |
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47 | |
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48 | /* |
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49 | * Function title(id) should return a title for the comic strip with the given id. |
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50 | */ |
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51 | function title(id) { |
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52 | |
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53 | return formatDate(parseDate(id)); |
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54 | |
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55 | } |
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56 | |
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57 | /* |
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58 | * Function image(id) should return a URL of an image for the comic strip with the given id. |
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59 | */ |
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60 | function image(id) { |
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61 | |
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62 | page = "http://ars.userfriendly.org/cartoons/?id=" + id + "&mode=classic"; |
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63 | |
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64 | s = get(page); |
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65 | |
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66 | m = PATTERN_RE.exec(s); |
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67 | |
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68 | if (m) |
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69 | return m[2]; |
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70 | |
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71 | return null; |
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72 | |
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73 | } |
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74 | |
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75 | /* |
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76 | * Function previous(id) should return the id of a comic strip that is prior to the comic strip |
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77 | * with a given id or null if there is no such comic. |
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78 | */ |
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79 | function previous(id) { |
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80 | |
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81 | page = "http://ars.userfriendly.org/cartoons/?id=" + id + "&mode=classic"; |
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82 | |
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83 | s = get(page); |
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84 | |
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85 | m = PREV_RE.exec(s); |
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86 | |
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87 | if (m) { |
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88 | if (m[1] != id) { |
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89 | return m[1]; |
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90 | } |
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91 | } |
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92 | return null; |
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93 | |
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94 | } |
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95 | |
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96 | /* |
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97 | * Function next(id) should return the id of a comic strip that is next to the comic strip |
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98 | * with a given id or null if there is no such comic. |
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99 | */ |
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100 | function next(id) { |
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101 | |
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102 | page = "http://ars.userfriendly.org/cartoons/?id=" + id + "&mode=classic"; |
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103 | |
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104 | s = get(page); |
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105 | |
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106 | m = NEXT_RE.exec(s); |
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107 | |
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108 | if (m) { |
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109 | if (m[1] != id){ |
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110 | return m[1]; |
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111 | } |
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112 | } |
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113 | return null; |
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114 | } |
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115 | |
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116 | /* |
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117 | * Function first() should return the id of the first comic strip or null if that information |
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118 | * cannot be obtained for this comic. |
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119 | */ |
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120 | function first() { |
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121 | |
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122 | return null; |
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123 | |
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124 | } |
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125 | |
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126 | /* |
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127 | * Function newest() should return the id of the most recent comic strip or null if that information |
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128 | * cannot be obtained for this comic. |
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129 | */ |
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130 | function newest() { |
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131 | |
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132 | s = get("http://www.userfriendly.org"); |
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133 | |
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134 | m = ANCHOR_RE.exec(s); |
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135 | |
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136 | if (m) { |
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137 | newestId = m[1]; |
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138 | return m[1]; |
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139 | } |
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140 | |
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141 | return null; |
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142 | |
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143 | } |
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144 | |
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145 | /* |
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146 | * if the information is present you can also implement the following functionality currently |
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147 | * supported by WebStrips (uncoment the functions) |
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148 | */ |
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149 | |
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150 | /* |
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151 | * Function link(id) should return an url pointing to the page where the comic strip with a |
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152 | * given id was retrieved from. |
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153 | */ |
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154 | |
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155 | function link(id) { |
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156 | return "http://ars.userfriendly.org/cartoons/?id=" + id + "&mode=classic"; |
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157 | } |
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158 | |
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159 | |
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