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require 'feedparser'
require 'feedparser/filesizes'
module FeedParser
STYLESHEET = <<~EOF
<style type="text/css">
body {
margin: 1em auto;
padding: 0px 1em;
max-width: 960px;
}
img {
max-width: 100%;
height: auto;
}
figure {
margin: 0px;
max-width: 100%;
height: auto;
}
table.header {
margin-bottom: 1em;
}
table.header, table.metadata, table.attachments {
font-family: Helvetica, Verdana, sans-serif;
}
table.header, table.metadata, table.attachments, pre {
width: 100%;
padding: 0.5em;
background: #eeeeec;
border: 1px solid #babdb6;
}
table.header th, table.metadata th, table.attachments th {
text-align: right;
width: 50px;
}
blockquote {
font-style: italic;
color: #2e3436;
border-left: 2px solid #babdb6;
padding-left: 0.5em;
}
hr {
border: none;
border-top: 1px solid #babdb6;
margin: 1em auto
}
</style>
EOF
class Feed
def to_html(localtime = true)
s = ''
s += "<!doctype html>\n"
s += "<html lang=en>\n"
s += "<head>\n"
s += "<meta charset=\"utf-8\"/>\n"
s += "<title>#{@title.escape_html}</title>\n"
s += FeedParser::STYLESHEET
s += "</head>\n"
s += "<body>\n"
s += <<-EOF
<table class="feed-header">
EOF
r = ""
r += "<a href=\"#{@link}\">\n" if @link
if @title
r += @title.escape_html
elsif @link
r += @link.escape_html
else
r += "Unnamed feed"
end
r += "</a>\n" if @link
headline = "<tr><th>%s</th>\n<td>%s</td></tr>"
s += (headline % ["Feed title:", r])
s += (headline % ["Type:", @type])
s += (headline % ["Encoding:", @encoding])
s += (headline % ["Creator:", @creator.escape_html]) if @creator
s += "</table>\n"
if @description and @description !~ /\A\s*</m
s += "<br/>\n"
end
s += "#{@description}" if @description
@items.each do |i|
s += "\n<hr/><!-- *********************************** -->\n"
s += i.to_html(localtime)
end
s += "\n</body></html>\n"
s
end
end
class FeedItem
def to_html_with_headers(localtime = true)
s = "<!doctype html>\n"
s += '<html lang="en">'
s += '<head>'
s += '<meta charset="utf-8"/>'
s += "<title>#{@title.escape_html}</title>\n"
s += FeedParser::STYLESHEET
s += '</head>'
s += '<body>'
s += to_html(localtime)
s += "</body>"
s += "</html>"
s
end
def to_html(localtime = true)
s = <<-EOF
<table class="header">
EOF
r = ""
r += "<a href=\"#{@feed.link}\">\n" if @feed.link
if @feed.title
r += @feed.title.escape_html
elsif @feed.link
r += @feed.link.escape_html
else
r += "Unnamed feed"
end
r += "</a>\n" if @feed.link
headline = "<tr><th>%s</th>\n<td>%s</td></tr>"
s += (headline % ["Feed:", r])
r = ""
r += "<a href=\"#{link}\">" if link
if @title
r += @title.escape_html
elsif link
r += link.escape_html
end
r += "</a>\n" if link
s += (headline % ["Item:", r])
s += "</table>\n"
s += "\n"
if @content and @content !~ /\A\s*</m
s += "<br/>\n"
end
s += "#{@content}" if @content
if @enclosures and @enclosures.length > 0
s += <<-EOF
<table class="attachments">
EOF
s += '<tr><th>Files:</th></tr>'
s += "\n"
@enclosures.each do |e|
s += "<tr><td><a href=\"#{e[0]}\">#{e[0].split('/')[-1]}</a> (#{e[1].to_i.to_human_readable}, #{e[2]})</td></tr>\n"
end
s += "</table>\n"
end
s += "\n<hr/>\n"
s += '<table class="metadata">' + "\n"
l = '<tr><th>%s</th><td>%s</td></tr>' + "\n"
if @date
if localtime
s += l % [ 'Date:', @date.to_s ]
else
s += l % [ 'Date:', @date.getutc.to_s ]
end
end
s += l % [ 'Author:', creator.escape_html ] if creator
s += l % [ 'Subject:', @subject.escape_html ] if @subject
s += l % [ 'Filed under:', @categories.join(', ').escape_html ] unless @categories.empty?
s += "</table>\n"
s
end
end
end
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