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Code cleanup.

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This commit is contained in:
Martin Edenhofer 2016-06-03 15:25:06 +02:00
parent 718263afd1
commit 3bb6267f39
1 changed files with 22 additions and 21 deletions
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43
lib/core_ext/string.rb
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@ -92,7 +92,7 @@ class String
link_list = ''
counter = 0
if !string_only
string.gsub!( /<a\s.*?href=("|')(.+?)("|').*?>/ix ) {
string.gsub!(/<a\s.*?href=("|')(.+?)("|').*?>/ix) {
link = $2
counter = counter + 1
link_list += "[#{counter}] #{link}\n"
@ -101,31 +101,32 @@ class String
end
# remove style tags with content
string.gsub!( %r{<style(|\s.+?)>(.+?)</style>}im, '')
string.gsub!(%r{<style(|\s.+?)>(.+?)</style>}im, '')
# remove empty lines
string.gsub!( /^\s*/m, '' )
string.gsub!(/^\s*/m, '')
# pre/code handling 1/2
string.gsub!( %r{<pre>(.+?)</pre>}m ) { |placeholder|
string.gsub!(%r{<pre>(.+?)</pre>}m) { |placeholder|
placeholder = placeholder.gsub(/\n/, '###BR###')
}
string.gsub!( %r{<code>(.+?)</code>}m ) { |placeholder|
string.gsub!(%r{<code>(.+?)</code>}m) { |placeholder|
placeholder = placeholder.gsub(/\n/, '###BR###')
}
# insert spaces on [A-z]\n[A-z]
string.gsub!( /([A-z])\n([A-z])/m, '\1 \2' )
string.gsub!(/([A-z])\n([A-z])/m, '\1 \2')
# remove all new lines
string.gsub!(/(\n\r|\r\r\n|\r\n|\n)/, '')
# blockquote handling
string.gsub!( %r{<blockquote(| [^>]*)>(.+?)</blockquote>}m ) {
string.gsub!(%r{<blockquote(| [^>]*)>(.+?)</blockquote>}m) {
"\n" + $2.html2text(true).gsub(/^(.*)$/, '&gt; \1') + "\n"
}
# pre/code handling 2/2
string.gsub!(/###BR###/, "\n" )
string.gsub!(/###BR###/, "\n")
# add counting
string.gsub!(/<li(| [^>]*)>/i, "\n* ")
@ -137,14 +138,14 @@ class String
string.gsub!(%r{</h\d>}i, "\n")
# add new lines
string.gsub!( %r{</div><div(|\s.+?)>}im, "\n" )
string.gsub!( %r{</p><p(|\s.+?)>}im, "\n" )
string.gsub!( %r{<(div|p|pre|br|table|h)(|/| [^>]*)>}i, "\n" )
string.gsub!( %r{</(tr|p|br|div)(|\s.+?)>}i, "\n" )
string.gsub!( %r{</td>}i, ' ' )
string.gsub!(%r{</div><div(|\s.+?)>}im, "\n")
string.gsub!(%r{</p><p(|\s.+?)>}im, "\n")
string.gsub!(%r{<(div|p|pre|br|table|h)(|/| [^>]*)>}i, "\n")
string.gsub!(%r{</(tr|p|br|div)(|\s.+?)>}i, "\n")
string.gsub!(%r{</td>}i, ' ')
# strip all other tags
string.gsub!( /\<.+?\>/, '' )
string.gsub!(/\<.+?\>/, '')
# replace multiple spaces with one
string.gsub!(/ /, ' ')
@ -156,19 +157,19 @@ class String
rescue
# strip all &amp; &lt; &gt; &quot;
string.gsub!( '&amp;', '&' )
string.gsub!( '&lt;', '<' )
string.gsub!( '&gt;', '>' )
string.gsub!( '&quot;', '"' )
string.gsub!( '&nbsp;', ' ' )
string.gsub!('&amp;', '&')
string.gsub!('&lt;', '<')
string.gsub!('&gt;', '>')
string.gsub!('&quot;', '"')
string.gsub!('&nbsp;', ' ')
# encode html entities like "&#8211;"
string.gsub!( /(&\#(\d+);?)/x ) {
string.gsub!(/(&\#(\d+);?)/x) {
$2.chr
}
# encode html entities like "&#3d;"
string.gsub!( /(&\#[xX]([0-9a-fA-F]+);?)/x ) {
string.gsub!(/(&\#[xX]([0-9a-fA-F]+);?)/x) {
chr_orig = $1
hex = $2.hex
if hex