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16
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1 ;;; nnweb.el --- retrieving articles via web search engines
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2 ;; Copyright (C) 1996,97 Free Software Foundation, Inc.
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3
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4 ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
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5 ;; Keywords: news
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6
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7 ;; This file is part of GNU Emacs.
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8
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9 ;; GNU Emacs is free software; you can redistribute it and/or modify
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10 ;; it under the terms of the GNU General Public License as published by
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11 ;; the Free Software Foundation; either version 2, or (at your option)
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12 ;; any later version.
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13
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14 ;; GNU Emacs is distributed in the hope that it will be useful,
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15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 ;; GNU General Public License for more details.
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18
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19 ;; You should have received a copy of the GNU General Public License
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20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 ;; Boston, MA 02111-1307, USA.
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23
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24 ;;; Commentary:
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25
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26 ;; Note: You need to have `url' and `w3' installed for this
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27 ;; backend to work.
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28
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29 ;;; Code:
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30
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31 (require 'nnoo)
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32 (require 'message)
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33 (require 'gnus-util)
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34 (require 'gnus)
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35 (require 'w3)
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36 (require 'url)
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30
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37 (require 'nnmail)
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16
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38 (ignore-errors
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39 (require 'w3-forms))
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40
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41 (nnoo-declare nnweb)
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42
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43 (defvoo nnweb-directory (nnheader-concat gnus-directory "nnweb/")
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44 "Where nnweb will save its files.")
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45
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46 (defvoo nnweb-type 'dejanews
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47 "What search engine type is being used.")
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48
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49 (defvar nnweb-type-definition
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50 '((dejanews
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51 (article . nnweb-dejanews-wash-article)
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52 (map . nnweb-dejanews-create-mapping)
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53 (search . nnweb-dejanews-search)
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54 (address . "http://xp9.dejanews.com/dnquery.xp")
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55 (identifier . nnweb-dejanews-identity))
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56 (reference
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57 (article . nnweb-reference-wash-article)
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58 (map . nnweb-reference-create-mapping)
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59 (search . nnweb-reference-search)
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60 (address . "http://www.reference.com/cgi-bin/pn/go")
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61 (identifier . identity))
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62 (altavista
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63 (article . nnweb-altavista-wash-article)
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64 (map . nnweb-altavista-create-mapping)
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65 (search . nnweb-altavista-search)
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66 (address . "http://www.altavista.digital.com/cgi-bin/query")
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67 (id . "/cgi-bin/news?id@%s")
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68 (identifier . identity)))
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69 "Type-definition alist.")
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70
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71 (defvoo nnweb-search nil
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72 "Search string to feed to DejaNews.")
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73
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24
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74 (defvoo nnweb-max-hits 100
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75 "Maximum number of hits to display.")
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76
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77 (defvoo nnweb-ephemeral-p nil
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78 "Whether this nnweb server is ephemeral.")
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79
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80 ;;; Internal variables
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81
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82 (defvoo nnweb-articles nil)
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83 (defvoo nnweb-buffer nil)
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84 (defvoo nnweb-group-alist nil)
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85 (defvoo nnweb-group nil)
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86 (defvoo nnweb-hashtb nil)
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87
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88 ;;; Interface functions
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89
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90 (nnoo-define-basics nnweb)
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91
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92 (deffoo nnweb-retrieve-headers (articles &optional group server fetch-old)
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93 (nnweb-possibly-change-server group server)
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94 (save-excursion
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95 (set-buffer nntp-server-buffer)
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96 (erase-buffer)
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97 (let (article header)
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98 (while (setq article (pop articles))
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99 (when (setq header (cadr (assq article nnweb-articles)))
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100 (nnheader-insert-nov header)))
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101 'nov)))
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102
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103 (deffoo nnweb-request-scan (&optional group server)
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104 (nnweb-possibly-change-server group server)
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105 (funcall (nnweb-definition 'map))
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106 (unless nnweb-ephemeral-p
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107 (nnweb-write-active)
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108 (nnweb-write-overview group)))
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109
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110 (deffoo nnweb-request-group (group &optional server dont-check)
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111 (nnweb-possibly-change-server nil server)
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112 (when (and group
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113 (not (equal group nnweb-group))
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114 (not nnweb-ephemeral-p))
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115 (let ((info (assoc group nnweb-group-alist)))
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116 (setq nnweb-group group)
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117 (setq nnweb-type (nth 2 info))
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118 (setq nnweb-search (nth 3 info))
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119 (unless dont-check
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120 (nnweb-read-overview group))))
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121 (cond
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122 ((not nnweb-articles)
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123 (nnheader-report 'nnweb "No matching articles"))
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124 (t
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125 (let ((active (if nnweb-ephemeral-p
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126 (cons (caar nnweb-articles)
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127 (caar (last nnweb-articles)))
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128 (cadr (assoc group nnweb-group-alist)))))
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129 (nnheader-report 'nnweb "Opened group %s" group)
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130 (nnheader-insert
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131 "211 %d %d %d %s\n" (length nnweb-articles)
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132 (car active) (cdr active) group)))))
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133
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134 (deffoo nnweb-close-group (group &optional server)
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135 (nnweb-possibly-change-server group server)
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44
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136 (when (gnus-buffer-live-p nnweb-buffer)
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137 (save-excursion
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138 (set-buffer nnweb-buffer)
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139 (set-buffer-modified-p nil)
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140 (kill-buffer nnweb-buffer)))
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141 t)
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142
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143 (deffoo nnweb-request-article (article &optional group server buffer)
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144 (nnweb-possibly-change-server group server)
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145 (save-excursion
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146 (set-buffer (or buffer nntp-server-buffer))
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147 (let* ((header (cadr (assq article nnweb-articles)))
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148 (url (and header (mail-header-xref header))))
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149 (when (or (and url
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150 (nnweb-fetch-url url))
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151 (and (stringp article)
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152 (nnweb-definition 'id t)
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153 (let ((fetch (nnweb-definition 'id))
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154 art)
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155 (when (string-match "^<\\(.*\\)>$" article)
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156 (setq art (match-string 1 article)))
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157 (and fetch
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158 art
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159 (nnweb-fetch-url
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160 (format fetch article))))))
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161 (unless nnheader-callback-function
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162 (funcall (nnweb-definition 'article))
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163 (nnweb-decode-entities))
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164 (nnheader-report 'nnweb "Fetched article %s" article)
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165 t))))
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166
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167 (deffoo nnweb-close-server (&optional server)
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168 (when (and (nnweb-server-opened server)
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44
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169 (gnus-buffer-live-p nnweb-buffer))
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170 (save-excursion
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171 (set-buffer nnweb-buffer)
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172 (set-buffer-modified-p nil)
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173 (kill-buffer nnweb-buffer)))
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174 (nnoo-close-server 'nnweb server))
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175
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176 (deffoo nnweb-request-list (&optional server)
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177 (nnweb-possibly-change-server nil server)
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178 (save-excursion
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179 (set-buffer nntp-server-buffer)
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180 (nnmail-generate-active nnweb-group-alist)
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181 t))
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182
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183 (deffoo nnweb-request-update-info (group info &optional server)
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184 (nnweb-possibly-change-server group server)
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185 ;;(setcar (cddr info) nil)
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186 )
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187
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188 (deffoo nnweb-asynchronous-p ()
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189 t)
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190
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191 (deffoo nnweb-request-create-group (group &optional server args)
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192 (nnweb-possibly-change-server nil server)
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193 (nnweb-request-delete-group group)
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194 (push `(,group ,(cons 1 0) ,@args) nnweb-group-alist)
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195 (nnweb-write-active)
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196 t)
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197
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198 (deffoo nnweb-request-delete-group (group &optional force server)
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199 (nnweb-possibly-change-server group server)
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200 (gnus-delete-assoc group nnweb-group-alist)
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201 (gnus-delete-file (nnweb-overview-file group))
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202 t)
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203
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204 (nnoo-define-skeleton nnweb)
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205
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206 ;;; Internal functions
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207
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208 (defun nnweb-read-overview (group)
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209 "Read the overview of GROUP and build the map."
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210 (when (file-exists-p (nnweb-overview-file group))
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211 (nnheader-temp-write nil
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212 (nnheader-insert-file-contents (nnweb-overview-file group))
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213 (goto-char (point-min))
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214 (setq nnweb-hashtb (gnus-make-hashtable
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215 (count-lines (point-min) (point-max))))
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216 (let (header)
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217 (while (not (eobp))
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218 (setq header (nnheader-parse-nov))
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219 (forward-line 1)
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220 (push (list (mail-header-number header)
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221 header (mail-header-xref header))
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222 nnweb-articles)
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223 (nnweb-set-hashtb header (car nnweb-articles)))))))
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224
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225 (defun nnweb-write-overview (group)
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226 "Write the overview file for GROUP."
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227 (nnheader-temp-write (nnweb-overview-file group)
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228 (let ((articles nnweb-articles))
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229 (while articles
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230 (nnheader-insert-nov (cadr (pop articles)))))))
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231
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232 (defun nnweb-set-hashtb (header data)
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233 (gnus-sethash (nnweb-identifier (mail-header-xref header))
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234 data nnweb-hashtb))
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235
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236 (defun nnweb-get-hashtb (url)
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237 (gnus-gethash (nnweb-identifier url) nnweb-hashtb))
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238
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239 (defun nnweb-identifier (ident)
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240 (funcall (nnweb-definition 'identifier) ident))
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241
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242 (defun nnweb-overview-file (group)
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243 "Return the name of the overview file of GROUP."
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244 (nnheader-concat nnweb-directory group ".overview"))
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245
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246 (defun nnweb-write-active ()
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247 "Save the active file."
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248 (nnheader-temp-write (nnheader-concat nnweb-directory "active")
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249 (prin1 `(setq nnweb-group-alist ',nnweb-group-alist) (current-buffer))))
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250
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251 (defun nnweb-read-active ()
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252 "Read the active file."
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253 (load (nnheader-concat nnweb-directory "active") t t t))
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254
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255 (defun nnweb-definition (type &optional noerror)
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256 "Return the definition of TYPE."
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257 (let ((def (cdr (assq type (assq nnweb-type nnweb-type-definition)))))
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258 (when (and (not def)
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259 (not noerror))
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260 (error "Undefined definition %s" type))
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261 def))
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262
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263 (defun nnweb-possibly-change-server (&optional group server)
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264 (nnweb-init server)
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265 (when server
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266 (unless (nnweb-server-opened server)
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267 (nnweb-open-server server)))
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268 (unless nnweb-group-alist
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269 (nnweb-read-active))
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270 (when group
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271 (when (and (not nnweb-ephemeral-p)
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272 (not (equal group nnweb-group)))
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273 (nnweb-request-group group nil t))))
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274
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275 (defun nnweb-init (server)
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276 "Initialize buffers and such."
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44
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277 (unless (gnus-buffer-live-p nnweb-buffer)
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278 (setq nnweb-buffer
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279 (save-excursion
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280 (nnheader-set-temp-buffer
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281 (format " *nnweb %s %s %s*" nnweb-type nnweb-search server))))))
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282
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283 (defun nnweb-fetch-url (url)
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284 (save-excursion
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285 (if (not nnheader-callback-function)
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286 (let ((buf (current-buffer)))
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287 (save-excursion
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288 (set-buffer nnweb-buffer)
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289 (erase-buffer)
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290 (prog1
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291 (url-insert-file-contents url)
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292 (copy-to-buffer buf (point-min) (point-max)))))
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293 (nnweb-url-retrieve-asynch
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294 url 'nnweb-callback (current-buffer) nnheader-callback-function)
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295 t)))
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296
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297 (defun nnweb-callback (buffer callback)
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44
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298 (when (gnus-buffer-live-p url-working-buffer)
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299 (save-excursion
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300 (set-buffer url-working-buffer)
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301 (funcall (nnweb-definition 'article))
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302 (nnweb-decode-entities)
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303 (set-buffer buffer)
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304 (goto-char (point-max))
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305 (insert-buffer-substring url-working-buffer))
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306 (funcall callback t)
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307 (gnus-kill-buffer url-working-buffer)))
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308
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309 (defun nnweb-url-retrieve-asynch (url callback &rest data)
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310 (let ((url-request-method "GET")
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311 (old-asynch url-be-asynchronous)
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312 (url-request-data nil)
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313 (url-request-extra-headers nil)
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314 (url-working-buffer (generate-new-buffer-name " *nnweb*")))
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315 (setq-default url-be-asynchronous t)
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316 (save-excursion
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317 (set-buffer (get-buffer-create url-working-buffer))
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318 (setq url-current-callback-data data
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319 url-be-asynchronous t
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320 url-current-callback-func callback)
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321 (url-retrieve url))
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322 (setq-default url-be-asynchronous old-asynch)))
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323
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324 (defun nnweb-encode-www-form-urlencoded (pairs)
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325 "Return PAIRS encoded for forms."
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326 (mapconcat
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327 (function
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328 (lambda (data)
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329 (concat (w3-form-encode-xwfu (car data)) "="
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330 (w3-form-encode-xwfu (cdr data)))))
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331 pairs "&"))
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332
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333 (defun nnweb-fetch-form (url pairs)
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334 (let ((url-request-data (nnweb-encode-www-form-urlencoded pairs))
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335 (url-request-method "POST")
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336 (url-request-extra-headers
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337 '(("Content-type" . "application/x-www-form-urlencoded"))))
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338 (url-insert-file-contents url)
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339 (setq buffer-file-name nil))
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340 t)
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341
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342 (defun nnweb-decode-entities ()
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343 (goto-char (point-min))
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344 (while (re-search-forward "&\\([a-z]+\\);" nil t)
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345 (replace-match (char-to-string (or (cdr (assq (intern (match-string 1))
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346 w3-html-entities ))
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347 ?#))
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348 t t)))
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349
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350 (defun nnweb-remove-markup ()
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351 (goto-char (point-min))
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352 (while (search-forward "<!--" nil t)
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353 (delete-region (match-beginning 0)
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354 (or (search-forward "-->" nil t)
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355 (point-max))))
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356 (goto-char (point-min))
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357 (while (re-search-forward "<[^>]+>" nil t)
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358 (replace-match "" t t)))
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359
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360 ;;;
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361 ;;; DejaNews functions.
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362 ;;;
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363
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364 (defun nnweb-dejanews-create-mapping ()
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365 "Perform the search and create an number-to-url alist."
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366 (save-excursion
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367 (set-buffer nnweb-buffer)
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368 (erase-buffer)
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369 (when (funcall (nnweb-definition 'search) nnweb-search)
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370 (let ((i 0)
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371 (more t)
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372 (case-fold-search t)
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373 (active (or (cadr (assoc nnweb-group nnweb-group-alist))
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374 (cons 1 0)))
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375 Subject Score Date Newsgroup Author
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376 map url)
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377 (while more
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378 ;; Go through all the article hits on this page.
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379 (goto-char (point-min))
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380 (nnweb-decode-entities)
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381 (goto-char (point-min))
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382 (while (re-search-forward "^ +[0-9]+\\." nil t)
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30
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383 (narrow-to-region
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16
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384 (point)
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385 (cond ((re-search-forward "^ +[0-9]+\\." nil t)
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386 (match-beginning 0))
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387 ((search-forward "\n\n" nil t)
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388 (point))
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389 (t
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390 (point-max))))
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391 (goto-char (point-min))
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392 (when (looking-at ".*HREF=\"\\([^\"]+\\)\"")
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393 (setq url (match-string 1)))
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394 (nnweb-remove-markup)
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395 (goto-char (point-min))
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396 (while (search-forward "\t" nil t)
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397 (replace-match " "))
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398 (goto-char (point-min))
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399 (while (re-search-forward "^ +\\([^:]+\\): +\\(.*\\)$" nil t)
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400 (set (intern (match-string 1)) (match-string 2)))
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401 (widen)
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402 (when (string-match "#[0-9]+/[0-9]+ *$" Subject)
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403 (setq Subject (substring Subject 0 (match-beginning 0))))
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404 (incf i)
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405 (unless (nnweb-get-hashtb url)
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406 (push
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407 (list
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408 (incf (cdr active))
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409 (make-full-mail-header
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410 (cdr active) (concat "(" Newsgroup ") " Subject) Author Date
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411 (concat "<" (nnweb-identifier url) "@dejanews>")
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412 nil 0 (string-to-int Score) url))
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413 map)
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414 (nnweb-set-hashtb (cadar map) (car map))))
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415 ;; See whether there is a "Get next 20 hits" button here.
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416 (if (or (not (re-search-forward
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417 "HREF=\"\\([^\"]+\\)\">Get next" nil t))
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418 (>= i nnweb-max-hits))
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419 (setq more nil)
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420 ;; Yup -- fetch it.
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421 (setq more (match-string 1))
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422 (erase-buffer)
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423 (url-insert-file-contents more)))
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424 ;; Return the articles in the right order.
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425 (setq nnweb-articles
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426 (sort (nconc nnweb-articles map)
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427 (lambda (s1 s2) (< (car s1) (car s2)))))))))
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428
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429 (defun nnweb-dejanews-wash-article ()
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430 (let ((case-fold-search t))
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431 (goto-char (point-min))
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432 (re-search-forward "<PRE>" nil t)
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433 (delete-region (point-min) (point))
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434 (re-search-forward "</PRE>" nil t)
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435 (delete-region (point) (point-max))
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436 (nnweb-remove-markup)
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437 (goto-char (point-min))
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438 (while (and (looking-at " *$")
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439 (not (eobp)))
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440 (gnus-delete-line))
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441 (while (looking-at "\\(^[^ ]+:\\) *")
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442 (replace-match "\\1 " t)
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443 (forward-line 1))
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444 (when (re-search-forward "\n\n+" nil t)
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445 (replace-match "\n" t t))))
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446
|
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447 (defun nnweb-dejanews-search (search)
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30
|
448 (nnweb-fetch-form
|
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16
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449 (nnweb-definition 'address)
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450 `(("query" . ,search)
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451 ("defaultOp" . "AND")
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452 ("svcclass" . "dncurrent")
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453 ("maxhits" . "100")
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454 ("format" . "verbose")
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455 ("threaded" . "0")
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456 ("showsort" . "score")
|
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457 ("agesign" . "1")
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458 ("ageweight" . "1")))
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459 t)
|
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460
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461 (defun nnweb-dejanews-identity (url)
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|
462 "Return an unique identifier based on URL."
|
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463 (if (string-match "recnum=\\([0-9]+\\)" url)
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464 (match-string 1 url)
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465 url))
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466
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|
467 ;;;
|
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|
468 ;;; InReference
|
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|
469 ;;;
|
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470
|
|
|
471 (defun nnweb-reference-create-mapping ()
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|
472 "Perform the search and create an number-to-url alist."
|
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473 (save-excursion
|
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474 (set-buffer nnweb-buffer)
|
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|
475 (erase-buffer)
|
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|
476 (when (funcall (nnweb-definition 'search) nnweb-search)
|
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|
477 (let ((i 0)
|
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|
478 (more t)
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|
479 (case-fold-search t)
|
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|
480 (active (or (cadr (assoc nnweb-group nnweb-group-alist))
|
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|
481 (cons 1 0)))
|
|
|
482 Subject Score Date Newsgroups From Message-ID
|
|
|
483 map url)
|
|
|
484 (while more
|
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|
485 ;; Go through all the article hits on this page.
|
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|
486 (goto-char (point-min))
|
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|
487 (search-forward "</pre><hr>" nil t)
|
|
|
488 (delete-region (point-min) (point))
|
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|
489 ;(nnweb-decode-entities)
|
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|
490 (goto-char (point-min))
|
|
|
491 (while (re-search-forward "^ +[0-9]+\\." nil t)
|
|
30
|
492 (narrow-to-region
|
|
16
|
493 (point)
|
|
|
494 (if (re-search-forward "^$" nil t)
|
|
|
495 (match-beginning 0)
|
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496 (point-max)))
|
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|
497 (goto-char (point-min))
|
|
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498 (when (looking-at ".*href=\"\\([^\"]+\\)\"")
|
|
|
499 (setq url (match-string 1)))
|
|
|
500 (nnweb-remove-markup)
|
|
|
501 (goto-char (point-min))
|
|
|
502 (while (search-forward "\t" nil t)
|
|
|
503 (replace-match " "))
|
|
|
504 (goto-char (point-min))
|
|
|
505 (while (re-search-forward "^\\([^:]+\\): \\(.*\\)$" nil t)
|
|
|
506 (set (intern (match-string 1)) (match-string 2)))
|
|
|
507 (widen)
|
|
|
508 (search-forward "</pre>" nil t)
|
|
|
509 (incf i)
|
|
|
510 (unless (nnweb-get-hashtb url)
|
|
|
511 (push
|
|
|
512 (list
|
|
|
513 (incf (cdr active))
|
|
|
514 (make-full-mail-header
|
|
|
515 (cdr active) (concat "(" Newsgroups ") " Subject) From Date
|
|
|
516 Message-ID
|
|
|
517 nil 0 (string-to-int Score) url))
|
|
|
518 map)
|
|
|
519 (nnweb-set-hashtb (cadar map) (car map))))
|
|
|
520 (setq more nil))
|
|
|
521 ;; Return the articles in the right order.
|
|
|
522 (setq nnweb-articles
|
|
|
523 (sort (nconc nnweb-articles map)
|
|
|
524 (lambda (s1 s2) (< (car s1) (car s2)))))))))
|
|
|
525
|
|
|
526 (defun nnweb-reference-wash-article ()
|
|
|
527 (let ((case-fold-search t))
|
|
|
528 (goto-char (point-min))
|
|
|
529 (re-search-forward "^</center><hr>" nil t)
|
|
|
530 (delete-region (point-min) (point))
|
|
|
531 (search-forward "<pre>" nil t)
|
|
|
532 (forward-line -1)
|
|
|
533 (let ((body (point-marker)))
|
|
|
534 (search-forward "</pre>" nil t)
|
|
|
535 (delete-region (point) (point-max))
|
|
|
536 (nnweb-remove-markup)
|
|
|
537 (goto-char (point-min))
|
|
|
538 (while (looking-at " *$")
|
|
|
539 (gnus-delete-line))
|
|
|
540 (narrow-to-region (point-min) body)
|
|
|
541 (while (and (re-search-forward "^$" nil t)
|
|
|
542 (not (eobp)))
|
|
|
543 (gnus-delete-line))
|
|
|
544 (goto-char (point-min))
|
|
|
545 (while (looking-at "\\(^[^ ]+:\\) *")
|
|
|
546 (replace-match "\\1 " t)
|
|
|
547 (forward-line 1))
|
|
|
548 (goto-char (point-min))
|
|
|
549 (when (re-search-forward "^References:" nil t)
|
|
|
550 (narrow-to-region
|
|
|
551 (point) (if (re-search-forward "^$\\|^[^:]+:" nil t)
|
|
|
552 (match-beginning 0)
|
|
|
553 (point-max)))
|
|
|
554 (goto-char (point-min))
|
|
|
555 (while (not (eobp))
|
|
|
556 (unless (looking-at "References")
|
|
|
557 (insert "\t")
|
|
|
558 (forward-line 1)))
|
|
|
559 (goto-char (point-min))
|
|
|
560 (while (search-forward "," nil t)
|
|
|
561 (replace-match " " t t)))
|
|
|
562 (widen)
|
|
|
563 (set-marker body nil))))
|
|
|
564
|
|
|
565 (defun nnweb-reference-search (search)
|
|
|
566 (prog1
|
|
|
567 (url-insert-file-contents
|
|
30
|
568 (concat
|
|
16
|
569 (nnweb-definition 'address)
|
|
|
570 "?"
|
|
30
|
571 (nnweb-encode-www-form-urlencoded
|
|
16
|
572 `(("search" . "advanced")
|
|
|
573 ("querytext" . ,search)
|
|
|
574 ("subj" . "")
|
|
|
575 ("name" . "")
|
|
|
576 ("login" . "")
|
|
|
577 ("host" . "")
|
|
|
578 ("organization" . "")
|
|
|
579 ("groups" . "")
|
|
|
580 ("keywords" . "")
|
|
|
581 ("choice" . "Search")
|
|
|
582 ("startmonth" . "Jul")
|
|
|
583 ("startday" . "25")
|
|
|
584 ("startyear" . "1996")
|
|
|
585 ("endmonth" . "Aug")
|
|
|
586 ("endday" . "24")
|
|
|
587 ("endyear" . "1996")
|
|
|
588 ("mode" . "Quick")
|
|
|
589 ("verbosity" . "Verbose")
|
|
|
590 ("ranking" . "Relevance")
|
|
|
591 ("first" . "1")
|
|
|
592 ("last" . "25")
|
|
|
593 ("score" . "50")))))
|
|
|
594 (setq buffer-file-name nil))
|
|
|
595 t)
|
|
|
596
|
|
|
597 ;;;
|
|
|
598 ;;; Alta Vista
|
|
|
599 ;;;
|
|
|
600
|
|
|
601 (defun nnweb-altavista-create-mapping ()
|
|
|
602 "Perform the search and create an number-to-url alist."
|
|
|
603 (save-excursion
|
|
|
604 (set-buffer nnweb-buffer)
|
|
|
605 (erase-buffer)
|
|
|
606 (let ((part 0))
|
|
|
607 (when (funcall (nnweb-definition 'search) nnweb-search part)
|
|
|
608 (let ((i 0)
|
|
|
609 (more t)
|
|
|
610 (case-fold-search t)
|
|
|
611 (active (or (cadr (assoc nnweb-group nnweb-group-alist))
|
|
|
612 (cons 1 0)))
|
|
|
613 subject date from id group
|
|
|
614 map url)
|
|
|
615 (while more
|
|
|
616 ;; Go through all the article hits on this page.
|
|
|
617 (goto-char (point-min))
|
|
|
618 (search-forward "<dt>" nil t)
|
|
|
619 (delete-region (point-min) (match-beginning 0))
|
|
|
620 (goto-char (point-min))
|
|
|
621 (while (search-forward "<dt>" nil t)
|
|
|
622 (replace-match "\n<blubb>"))
|
|
|
623 (nnweb-decode-entities)
|
|
|
624 (goto-char (point-min))
|
|
|
625 (while (re-search-forward "<blubb>.*href=\"\\([^\"]+\\)\"><strong>\\([^>]*\\)</strong></a><dd>\\([^-]+\\)- <b>\\([^<]+\\)<.*href=\"news:\\([^\"]+\\)\">.*\">\\(.+\\)</a><P>"
|
|
|
626 nil t)
|
|
|
627 (setq url (match-string 1)
|
|
|
628 subject (match-string 2)
|
|
|
629 date (match-string 3)
|
|
|
630 group (match-string 4)
|
|
|
631 id (concat "<" (match-string 5) ">")
|
|
|
632 from (match-string 6))
|
|
|
633 (incf i)
|
|
|
634 (unless (nnweb-get-hashtb url)
|
|
|
635 (push
|
|
|
636 (list
|
|
|
637 (incf (cdr active))
|
|
|
638 (make-full-mail-header
|
|
|
639 (cdr active) (concat "(" group ") " subject) from date
|
|
|
640 id nil 0 0 url))
|
|
|
641 map)
|
|
|
642 (nnweb-set-hashtb (cadar map) (car map))))
|
|
|
643 ;; See if we want more.
|
|
|
644 (when (or (not nnweb-articles)
|
|
|
645 (>= i nnweb-max-hits)
|
|
|
646 (not (funcall (nnweb-definition 'search)
|
|
|
647 nnweb-search (incf part))))
|
|
|
648 (setq more nil)))
|
|
|
649 ;; Return the articles in the right order.
|
|
|
650 (setq nnweb-articles
|
|
|
651 (sort (nconc nnweb-articles map)
|
|
|
652 (lambda (s1 s2) (< (car s1) (car s2))))))))))
|
|
|
653
|
|
|
654 (defun nnweb-altavista-wash-article ()
|
|
|
655 (goto-char (point-min))
|
|
|
656 (let ((case-fold-search t))
|
|
|
657 (when (re-search-forward "^<strong>" nil t)
|
|
|
658 (delete-region (point-min) (match-beginning 0)))
|
|
|
659 (goto-char (point-min))
|
|
|
660 (while (looking-at "<strong>\\([^ ]+\\) +</strong> +\\(.*\\)$")
|
|
|
661 (replace-match "\\1: \\2" t)
|
|
|
662 (forward-line 1))
|
|
|
663 (when (re-search-backward "^References:" nil t)
|
|
|
664 (narrow-to-region (point) (progn (forward-line 1) (point)))
|
|
|
665 (goto-char (point-min))
|
|
|
666 (while (re-search-forward "<A.*\\?id@\\([^\"]+\\)\">[0-9]+</A>" nil t)
|
|
|
667 (replace-match "<\\1> " t)))
|
|
|
668 (widen)
|
|
|
669 (nnweb-remove-markup)))
|
|
|
670
|
|
|
671 (defun nnweb-altavista-search (search &optional part)
|
|
|
672 (prog1
|
|
|
673 (url-insert-file-contents
|
|
30
|
674 (concat
|
|
16
|
675 (nnweb-definition 'address)
|
|
|
676 "?"
|
|
30
|
677 (nnweb-encode-www-form-urlencoded
|
|
16
|
678 `(("pg" . "aq")
|
|
|
679 ("what" . "news")
|
|
|
680 ,@(when part `(("stq" . ,(int-to-string (* part 30)))))
|
|
|
681 ("fmt" . "d")
|
|
|
682 ("q" . ,search)
|
|
|
683 ("r" . "")
|
|
|
684 ("d0" . "")
|
|
|
685 ("d1" . "")))))
|
|
|
686 (setq buffer-file-name nil)))
|
|
|
687
|
|
|
688 (provide 'nnweb)
|
|
|
689
|
|
|
690 ;;; nnweb.el ends here
|
