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Diffstat (limited to 'lib/feed2imap/textconverters.rb')
| -rw-r--r-- | lib/feed2imap/textconverters.rb | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/lib/feed2imap/textconverters.rb b/lib/feed2imap/textconverters.rb deleted file mode 100644 index 9145e5a..0000000 --- a/lib/feed2imap/textconverters.rb +++ /dev/null @@ -1,152 +0,0 @@ -=begin -Feed2Imap - RSS/Atom Aggregator uploading to an IMAP Server -Copyright (c) 2005 Lucas Nussbaum <lucas@lucas-nussbaum.net> - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -=end - -# for URI::regexp -require 'uri' -require 'feed2imap/html2text-parser' - -# This class provides various converters -class String - # is this text HTML ? search for tags - def html? - return (self =~ /<p>/) || (self =~ /<br>/) || (self =~ /<br\s*(\/)?\s*>/) || (self =~ /<\/a>/) || (self =~ /<img.*>/) - end - - # returns true if the text contains escaped HTML (with HTML entities) - def escaped_html? - return (self =~ /<img src=/) || (self =~ /<a href=/) || (self =~ /<br(\/| \/|)>/) - end - - # un-escape HTML in the text - def unescape_html - { - '<' => '<', - '>' => '>', - "'" => ''', - '"' => '"', - '&' => '&', - "\047" => ''' - }.each do |k, v| - gsub!(v, k) - end - self - end - - # convert text to HTML - def text2html - text = self.clone - return text if text.html? - if text.escaped_html? - return text.unescape_html - end - # paragraphs - text.gsub!(/\A\s*(.*)\Z/m, '<p>\1</p>') - text.gsub!(/\s*\n(\s*\n)+\s*/, "</p>\n<p>") - # uris - text.gsub!(/(#{URI::regexp(['http','ftp','https'])})/, - '<a href="\1">\1</a>') - text - end - - # Convert an HTML text to plain text - def html2text - if false - text = self.clone - # let's remove all CR - text.gsub!(/\n/, '') - # convert <p> and <br> - text.gsub!(/\s*<\/p>\s*/, '') - text.gsub!(/\s*<p(\s[^>]*)?>\s*/, "\n\n") - text.gsub!(/\s*<br(\s*)\/?(\s*)>\s*/, "\n") - # remove other tags - text.gsub!(/<[^>]*>/, '') - # remove leading and trailing whilespace - text.gsub!(/\A\s*/m, '') - text.gsub!(/\s*\Z/m, '') - text - else - text = self.clone - # parse HTML - p = HTML2TextParser::new(true) - p.feed(text) - p.close - text = p.savedata - # remove leading and trailing whilespace - text.gsub!(/\A\s*/m, '') - text.gsub!(/\s*\Z/m, '') - # remove whitespace around \n - text.gsub!(/ *\n/m, "\n") - text.gsub!(/\n */m, "\n") - # and duplicates \n - text.gsub!(/\n\n+/m, "\n\n") - text - end - end - - # Remove white space around the text - def rmWhiteSpace! - return self.gsub!(/\A\s*/m, '').gsub!(/\s*\Z/m,'') - end - - # Convert a text in inputenc to a text in ISO-8859-1 - def toISO_8859_1(inputenc) - if inputenc.downcase == 'utf-8' - begin - return self.unpack('U*').pack('C*') - rescue - return self - end - else - return self - end - end - - # Convert a text in inputenc to a text in UTF8 - # must take care of wrong input locales - def toUTF8(inputenc) - if inputenc.downcase != 'utf-8' - # it is said it is not UTF-8. Ensure it is REALLY not UTF-8 - begin - if self.unpack('U*').pack('U*') == self - return self - end - rescue - # do nothing - end - begin - return self.unpack('C*').pack('U*') - rescue - return self #failsafe solution. but a dirty one :-) - end - else - return self - end - end - - def needMIME - utf8 = false - self.unpack('U*').each do |c| - if c > 127 - utf8 = true - break - end - end - utf8 - end -end |