| 1 | #!/usr/bin/env ruby |
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| 2 | # |
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| 3 | # tdiarysearch |
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| 4 | # |
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| 5 | # Copyright (C) 2003-2005 Minero Aoki |
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| 6 | # |
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| 7 | # This program is free software. |
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| 8 | # You can distribute/modify this program under the terms of |
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| 9 | # the GNU GPL, General Public License version 2. |
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| 10 | # |
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| 11 | # $originalId: search.rb,v 1.14 2005/07/27 07:16:07 aamine Exp $ |
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| 12 | # |
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| 13 | # Project home page: http://i.loveruby.net/w/tdiarysearch.html |
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| 14 | # |
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| 15 | |
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| 16 | # |
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| 17 | # Static Configurations |
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| 18 | # |
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| 19 | |
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| 20 | LOGGING = false |
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| 21 | LOGFILE_NAME = 'search.log' |
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| 22 | DEBUG = $DEBUG |
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| 23 | |
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| 24 | # |
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| 25 | # HTML Templates |
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| 26 | # |
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| 27 | |
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| 28 | def unindent(str) |
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| 29 | str.gsub(/^#{str[/\A(?:\t+| +)/]}/, '') |
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| 30 | end |
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| 31 | |
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| 32 | HEADER = unindent <<'EOS' |
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| 33 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
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| 34 | <html lang="ja"> |
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| 35 | <head> |
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| 36 | <meta http-equiv="Content-Type" content="text/html; charset=<%= TDIARY_ENCODING %>"> |
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| 37 | <meta http-equiv="Content-Language" content="ja"> |
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| 38 | <meta name="robots" content="noindex"> |
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| 39 | <link rel="stylesheet" href="theme/base.css" type="text/css" media="all"> |
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| 40 | <link rel="stylesheet" href="theme/<%= theme %>/<%= theme %>.css" title="<%= theme %>" type="text/css" media="all"> |
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| 41 | <title>tDiary Search</title> |
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| 42 | </head> |
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| 43 | <body> |
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| 44 | EOS |
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| 45 | |
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| 46 | FOOTER = unindent <<'EOS' |
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| 47 | </body> |
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| 48 | </html> |
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| 49 | EOS |
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| 50 | |
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| 51 | SEARCH_FORM = unindent <<"EOS" |
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| 52 | <form method="post" action="#{File.basename(__FILE__)}"> |
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| 53 | <input type="text" name="q" size="20" value="<%= patterns.map {|re| escape(re.source) }.join(' ') %>"> |
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| 54 | <input type="submit" value="Search"> |
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| 55 | <% |
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| 56 | if theme |
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| 57 | %><input type="hidden" name="theme" value="on"><% |
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| 58 | end |
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| 59 | %> |
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| 60 | </form> |
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| 61 | EOS |
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| 62 | |
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| 63 | SEARCH_PAGE = unindent <<"EOS" |
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| 64 | <h1>tDiary Search</h1> |
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| 65 | #{SEARCH_FORM} |
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| 66 | EOS |
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| 67 | |
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| 68 | TOO_MANY_HITS = 50 |
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| 69 | |
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| 70 | SEARCH_RESULT = unindent <<"EOS" |
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| 71 | <h1>tDiary Search: Search Result</h1> |
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| 72 | #{SEARCH_FORM} |
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| 73 | <% |
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| 74 | nhits = 0 |
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| 75 | toomanyhits = false |
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| 76 | match_components(patterns) {|diary, fragment, component| |
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| 77 | nhits += 1 |
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| 78 | if nhits > TOO_MANY_HITS |
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| 79 | toomanyhits = true |
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| 80 | break |
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| 81 | end |
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| 82 | %> |
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| 83 | <div class="day"> |
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| 84 | <h2><a href="<%= url(diary, fragment) %>"><%= diary.y_m_d %></a></h2> |
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| 85 | <div class="body"> |
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| 86 | <div class="section"> |
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| 87 | <p><%= short_html(component) %></p> |
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| 88 | </div> |
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| 89 | </div> |
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| 90 | </div><% |
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| 91 | } |
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| 92 | %> |
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| 93 | <p><%= toomanyhits ? 'too many hits.' : nhits.to_s+' hits.' %></p> |
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| 94 | #{SEARCH_FORM} |
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| 95 | EOS |
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| 96 | |
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| 97 | SEARCH_ERROR = unindent <<"EOS" |
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| 98 | #{SEARCH_FORM} |
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| 99 | <%= escape(reason) %>. |
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| 100 | EOS |
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| 101 | |
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| 102 | HISTORY = unindent <<"EOS" |
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| 103 | <h1>tDiary Search: Search History</h1> |
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| 104 | #{SEARCH_FORM} |
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| 105 | <ul> |
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| 106 | <% |
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| 107 | recent_queries.sort_by {|t,q| -t.to_i }.each do |time, query| |
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| 108 | %><li><%= time.strftime('%Y-%m-%d %H:%M:%S') %> | <a href="#{File.basename(__FILE__)}?q=<%= escape_url(query) %>"><%= escape(query) %></a></li> |
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| 109 | <% |
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| 110 | end |
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| 111 | %></ul> |
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| 112 | #{SEARCH_FORM} |
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| 113 | EOS |
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| 114 | |
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| 115 | # |
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| 116 | # Main |
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| 117 | # |
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| 118 | |
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| 119 | if File.symlink?(__FILE__) |
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| 120 | tdiarylib = File.dirname(File.readlink(__FILE__)) |
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| 121 | else |
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| 122 | tdiarylib = File.dirname(__FILE__) |
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| 123 | end |
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| 124 | $:.unshift tdiarylib |
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| 125 | require 'tdiary' |
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| 126 | require 'tdiary/defaultio' |
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| 127 | require 'erb' |
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| 128 | |
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| 129 | TDIARY_ENCODING = (TDIARY_VERSION >= '2.3.0') ? 'utf-8' : 'euc-jp' |
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| 130 | |
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| 131 | class WrongQuery < StandardError; end |
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| 132 | |
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| 133 | Z_SPACE = "\241\241" # zen-kaku space |
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| 134 | |
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| 135 | BEGIN { $stdout.binmode } |
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| 136 | |
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| 137 | def main |
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| 138 | $KCODE = TDIARY_ENCODING |
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| 139 | cgi = CGI.new |
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| 140 | @config = TDiary::Config.new(cgi) |
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| 141 | @config.options['apply_plugin'] = true |
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| 142 | html = '<html><head><title></title></head><body><p>error</p></body></html>' |
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| 143 | begin |
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| 144 | html = generate_page(cgi) |
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| 145 | ensure |
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| 146 | send_html cgi, html |
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| 147 | end |
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| 148 | exit 0 |
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| 149 | end |
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| 150 | |
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| 151 | def generate_page(cgi) |
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| 152 | query = nil |
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| 153 | begin |
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| 154 | theme = @config.theme |
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| 155 | if LOGGING and File.file?(query_log()) and cgi.valid?('history') |
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| 156 | return history_page(theme) |
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| 157 | end |
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| 158 | begin |
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| 159 | return search_form_page(theme) unless cgi.valid?('q') |
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| 160 | initialize_tdiary_plugins cgi |
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| 161 | query = @config.to_native([cgi.params['q']].flatten.compact.join(' ')) |
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| 162 | patterns = setup_patterns(query) |
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| 163 | html = search_result_page(theme, patterns) |
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| 164 | save_query(query, query_log()) if LOGGING |
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| 165 | return html |
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| 166 | rescue WrongQuery => err |
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| 167 | return search_error_page(theme, (patterns || []), err.message) |
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| 168 | end |
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| 169 | rescue Exception => err |
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| 170 | html = '' |
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| 171 | html << HEADER |
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| 172 | html << "<pre>\n" |
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| 173 | html << 'q=' << escape(query) << "\n" if query |
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| 174 | html << escape(err.class.name) << "\n" if DEBUG |
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| 175 | html << escape(err.message) << "\n" |
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| 176 | html << err.backtrace.map {|i| escape(i) }.join("\n") if DEBUG |
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| 177 | html << "</pre>\n" |
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| 178 | html << FOOTER |
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| 179 | return html |
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| 180 | end |
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| 181 | end |
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| 182 | |
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| 183 | def send_html(cgi, html) |
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| 184 | print cgi.header('status' => '200 OK', |
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| 185 | 'type' => 'text/html', |
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| 186 | 'charset' => TDIARY_ENCODING, |
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| 187 | 'Content-Length' => html.length.to_s, |
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| 188 | 'Cache-Control' => 'no-cache', |
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| 189 | 'Pragma' => 'no-cache') |
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| 190 | print html unless cgi.request_method == 'HEAD' |
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| 191 | end |
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| 192 | |
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| 193 | def setup_patterns(query) |
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| 194 | patterns = split_string(query).map {|pat| |
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| 195 | check_pattern pat |
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| 196 | Regexp.new( Regexp.quote(pat), Regexp::IGNORECASE, TDIARY_ENCODING ) |
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| 197 | } |
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| 198 | raise WrongQuery, 'no pattern' if patterns.empty? |
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| 199 | raise WrongQuery, 'too many sub patterns' if patterns.length > 8 |
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| 200 | patterns |
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| 201 | end |
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| 202 | |
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| 203 | def check_pattern(pat) |
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| 204 | raise WrongQuery, 'no pattern' unless pat |
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| 205 | raise WrongQuery, 'empty pattern' if pat.empty? |
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| 206 | raise WrongQuery, "pattern too short: #{pat}" if pat.length < 2 |
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| 207 | raise WrongQuery, 'pattern too long' if pat.length > 128 |
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| 208 | end |
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| 209 | |
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| 210 | def split_string(str) |
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| 211 | str.split(/[\s#{Z_SPACE}]+/ou).reject {|w| w.empty? } |
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| 212 | end |
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| 213 | |
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| 214 | def save_query(query, file) |
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| 215 | File.open(file, 'a') {|f| |
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| 216 | begin |
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| 217 | f.flock(File::LOCK_EX) |
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| 218 | f.puts "#{Time.now.to_i}: #{query.dump}" |
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| 219 | ensure |
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| 220 | f.flock(File::LOCK_UN) |
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| 221 | end |
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| 222 | } |
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| 223 | end |
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| 224 | |
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| 225 | # |
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| 226 | # eRuby Dispatchers and Helper Routines |
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| 227 | # |
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| 228 | |
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| 229 | def search_form_page(theme) |
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| 230 | patterns = [] |
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| 231 | ERB.new(HEADER + SEARCH_FORM + FOOTER).result(binding()) |
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| 232 | end |
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| 233 | |
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| 234 | def search_result_page(theme, patterns) |
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| 235 | ERB.new(HEADER + SEARCH_RESULT + FOOTER).result(binding()) |
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| 236 | end |
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| 237 | |
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| 238 | def search_error_page(theme, patterns, reason) |
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| 239 | ERB.new(HEADER + SEARCH_ERROR + FOOTER).result(binding()) |
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| 240 | end |
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| 241 | |
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| 242 | def history_page(theme) |
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| 243 | patterns = [] |
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| 244 | ERB.new(HEADER + HISTORY + FOOTER).result(binding()) |
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| 245 | end |
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| 246 | |
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| 247 | def query_log |
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| 248 | "#{@config.data_path}#{LOGFILE_NAME}" |
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| 249 | end |
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| 250 | |
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| 251 | N_SHOW_QUERY_MAX = 20 |
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| 252 | |
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| 253 | def recent_queries |
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| 254 | return unless File.file?(query_log()) |
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| 255 | File.readlines(query_log()).reverse[0, N_SHOW_QUERY_MAX].map {|line| |
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| 256 | time, q = *line.split(/:/, 2) |
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| 257 | [Time.at(time.to_i), eval(q)] |
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| 258 | } |
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| 259 | end |
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| 260 | |
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| 261 | INF = 1 / 0.0 |
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| 262 | |
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| 263 | def match_components(patterns) |
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| 264 | foreach_diary_from_latest do |diary| |
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| 265 | next unless diary.visible? |
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| 266 | num = 1 |
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| 267 | diary.each_section do |sec| |
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| 268 | if patterns.all? {|re| re =~ sec.to_src } |
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| 269 | yield diary, fragment('p', num), sec |
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| 270 | end |
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| 271 | num += 1 |
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| 272 | end |
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| 273 | diary.each_visible_comment(INF) do |cmt, num| |
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| 274 | if patterns.all? {|re| re =~ cmt.body } |
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| 275 | yield diary, fragment('c', num), cmt |
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| 276 | end |
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| 277 | end |
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| 278 | end |
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| 279 | end |
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| 280 | |
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| 281 | def fragment(type, num) |
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| 282 | sprintf('%s%02d', type, num) |
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| 283 | end |
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| 284 | |
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| 285 | # |
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| 286 | # tDiary Implementation Dependent |
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| 287 | # |
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| 288 | |
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| 289 | def foreach_diary_from_latest(&block) |
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| 290 | foreach_data_file(@config.data_path.sub(%r</+\z>, '')) do |path| |
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| 291 | read_diaries(path).sort_by {|diary| diary.date }.reverse_each(&block) |
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| 292 | end |
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| 293 | end |
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| 294 | |
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| 295 | def foreach_data_file(data_path, &block) |
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| 296 | Dir.glob("#{data_path}/[0-9]*/*.td2").sort.reverse_each do |path| |
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| 297 | yield path.untaint |
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| 298 | end |
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| 299 | end |
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| 300 | |
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| 301 | def read_diaries(path) |
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| 302 | d = nil |
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| 303 | diaries = {} |
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| 304 | load_tdiary_textdb(path) do |header, body| |
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| 305 | d = diary_class(header['Format']).new(header['Date'], '', body) |
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| 306 | d.show(header['Visible'] != 'false') |
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| 307 | diaries[d.ymd] = d |
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| 308 | end |
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| 309 | (Years[d.y] ||= []).push(d.m) if d |
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| 310 | load_comments diaries, path |
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| 311 | diaries.values |
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| 312 | end |
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| 313 | |
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| 314 | DIARY_CLASS_CACHE = {} |
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| 315 | |
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| 316 | def diary_class(style) |
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| 317 | c = DIARY_CLASS_CACHE[style] |
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| 318 | return c if c |
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| 319 | require "tdiary/#{style.downcase}_style.rb" |
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| 320 | c = eval("TDiary::#{style.capitalize}Diary") |
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| 321 | c.__send__(:include, DiaryClassDelta) |
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| 322 | DIARY_CLASS_CACHE[style] = c |
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| 323 | c |
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| 324 | end |
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| 325 | |
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| 326 | module DiaryClassDelta |
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| 327 | def ymd |
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| 328 | date().strftime('%Y%m%d') |
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| 329 | end |
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| 330 | |
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| 331 | def y_m_d |
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| 332 | date().strftime('%Y-%m-%d') |
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| 333 | end |
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| 334 | |
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| 335 | def y |
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| 336 | '%04d' % date().year |
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| 337 | end |
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| 338 | |
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| 339 | def m |
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| 340 | '%02d' % date().month |
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| 341 | end |
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| 342 | end |
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| 343 | |
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| 344 | def load_comments(diaries, path) |
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| 345 | cmtfile = path.sub(/2\z/, 'c') |
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| 346 | return unless File.file?(cmtfile) |
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| 347 | load_tdiary_textdb(cmtfile) do |header, body| |
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| 348 | c = TDiary::Comment.new(header['Name'], header['Mail'], body, |
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| 349 | Time.at(header['Last-Modified'].to_i)) |
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| 350 | c.show = (header['Visible'] != 'false') |
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| 351 | d = diaries[header['Date']] |
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| 352 | d.add_comment c if d |
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| 353 | end |
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| 354 | end |
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| 355 | |
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| 356 | def load_tdiary_textdb(path) |
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| 357 | File.open(path) {|f| |
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| 358 | ver = f.gets.strip |
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| 359 | raise "unkwnown format: #{ver}" unless ver == 'TDIARY2.00.00' or ver == 'TDIARY2.01.00' |
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| 360 | f.each('') do |header| |
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| 361 | h = {} |
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| 362 | header.untaint.strip.each do |line| |
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| 363 | n, v = *line.split(':', 2) |
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| 364 | h[n.strip] = v.strip |
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| 365 | end |
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| 366 | yield h, f.gets("\n.\n").chomp(".\n").untaint |
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| 367 | end |
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| 368 | } |
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| 369 | end |
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| 370 | |
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| 371 | def short_html(component) |
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| 372 | # Section classes do not have common superclass, we can't use class here. |
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| 373 | case component.class.name |
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| 374 | when /Section/ |
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| 375 | section = component |
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| 376 | if section.subtitle |
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| 377 | sprintf('%s<br>%s', |
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| 378 | tdiary2text(section.subtitle_to_html), |
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| 379 | tdiary2text(section.body_to_html)) |
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| 380 | else |
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| 381 | tdiary2text(section.body_to_html) |
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| 382 | end |
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| 383 | when /Comment/ |
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| 384 | cmt = component |
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| 385 | shorten(escape((cmt.name + ': ' + cmt.body))) |
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| 386 | else |
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| 387 | raise "must not happen: #{component.class}" |
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| 388 | end |
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| 389 | end |
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| 390 | |
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| 391 | def tdiary2text(html) |
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| 392 | re = Regexp.new('<[^>]*>', Regexp::EXTENDED, TDIARY_ENCODING) |
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| 393 | shorten(apply_tdiary_plugins(html).gsub(re, '')) |
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| 394 | end |
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| 395 | |
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| 396 | Years = {} |
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| 397 | |
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| 398 | TDiary::Plugin.__send__(:public, :apply_plugin) |
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| 399 | def apply_tdiary_plugins(html) |
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| 400 | @plugin.apply_plugin(html, false) |
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| 401 | end |
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| 402 | |
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| 403 | @plugin = nil |
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| 404 | |
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| 405 | def initialize_tdiary_plugins(cgi) |
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| 406 | @plugin = TDiary::Plugin.new('conf' => @config, |
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| 407 | 'secure' => false, |
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| 408 | 'diaries' => {}, |
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| 409 | 'cgi' => cgi, |
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| 410 | 'index' => @config.index, |
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| 411 | 'years' => Years, |
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| 412 | 'cache_path' => @config.cache_path || |
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| 413 | @config.data_path) |
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| 414 | end |
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| 415 | |
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| 416 | # |
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| 417 | # Utils |
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| 418 | # |
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| 419 | |
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| 420 | HTML_ESCAPE_TABLE = { |
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| 421 | '&' => '&', |
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| 422 | '<' => '<', |
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| 423 | '>' => '>', |
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| 424 | '"' => '"' |
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| 425 | } |
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| 426 | |
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| 427 | def escape(str) |
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| 428 | tbl = HTML_ESCAPE_TABLE |
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| 429 | str.gsub(/[&"<>]/) {|ch| tbl[ch] } |
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| 430 | end |
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| 431 | |
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| 432 | def escape_url(u) |
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| 433 | escape(urlencode(u)) |
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| 434 | end |
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| 435 | |
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| 436 | def urlencode(str) |
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| 437 | str.gsub(/[^\w-]/n) {|ch| sprintf('%%%02x', ch[0]) } |
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| 438 | end |
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| 439 | |
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| 440 | def shorten(str) |
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| 441 | re = Regexp.new('\A.{0,120}', Regexp::MULTILINE, TDIARY_ENCODING) |
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| 442 | str.slice(re) |
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| 443 | end |
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| 444 | |
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| 445 | def url(diary, fragment) |
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| 446 | if ( html_anchor_enabled? ) |
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| 447 | "#{@config.index}#{diary.ymd}.html\##{fragment}" |
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| 448 | else |
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| 449 | "#{@config.index}?date=#{diary.ymd}\##{fragment}" |
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| 450 | end |
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| 451 | end |
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| 452 | |
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| 453 | def html_anchor_enabled? |
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| 454 | if ( @html_anchor.nil? ) |
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| 455 | @html_anchor = @config.options2['sp.selected'].include?( 'html_anchor.rb' ) |
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| 456 | end |
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| 457 | |
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| 458 | return @html_anchor |
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| 459 | end |
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| 460 | |
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| 461 | # |
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| 462 | # Old Ruby Compatibility |
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| 463 | # |
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| 464 | |
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| 465 | if RUBY_VERSION < '1.8.0' |
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| 466 | class String |
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| 467 | remove_method :slice |
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| 468 | def slice(re, n = 0) |
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| 469 | m = re.match(self) or return nil |
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| 470 | m[n] |
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| 471 | end |
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| 472 | end |
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| 473 | end |
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| 474 | |
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| 475 | unless Array.method_defined?(:all?) |
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| 476 | module Enumerable |
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| 477 | def all? |
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| 478 | each do |i| |
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| 479 | return false unless yield(i) |
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| 480 | end |
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| 481 | true |
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| 482 | end |
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| 483 | end |
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| 484 | end |
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| 485 | |
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| 486 | unless Array.method_defined?(:sort_by) |
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| 487 | module Enumerable |
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| 488 | def sort_by |
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| 489 | map {|i| [yield(i), i] }.sort.map {|val, i| i } |
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| 490 | end |
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| 491 | end |
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| 492 | end |
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| 493 | |
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| 494 | unless MatchData.method_defined?(:captures) |
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| 495 | class MatchData |
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| 496 | def captures |
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| 497 | to_a()[1..-1] |
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| 498 | end |
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| 499 | end |
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| 500 | end |
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| 501 | |
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| 502 | main |
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