pjht/htmlbrowse
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pjht 2018-04-14 11:36:04 -05:00
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Gemfile Normal file
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source "https://rubygems.org"
gem "nokogiri"

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Gemfile.lock Normal file
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GEM
remote: https://rubygems.org/
specs:
mini_portile2 (2.3.0)
nokogiri (1.8.2)
mini_portile2 (~> 2.3.0)
PLATFORMS
ruby
DEPENDENCIES
nokogiri
BUNDLED WITH
1.15.4

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browse.rb Normal file
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require "nokogiri"
$mode=""
pages={}
pages["/"]=<<-ENDPAGE
<html>
<p>Welcome to my website!</p>
<p><b>Bold</b></p>
<p><i>Italics</b><p>
<a href="/page">A page</a>
<a href="/anotherpage">Another page</a>
</html>
ENDPAGE
pages["/page"]=<<-ENDPAGE
<html>
<p>A page</p>
<p><b><i>Bold and Italic</i></b></p>
<a href="/">Home</a>
<a href="/anotherpage">Another page</a>
</html>
ENDPAGE
pages["/anotherpage"]=<<-ENDPAGE
<html>
<p>Here is more info</p>
<a href="/page">A page</a>
<a href="/">Home</a>
</html>
ENDPAGE
currentpage="/"
def showtext(text,nline=true)
case $mode
when "b"
puts "\e[1m#{text}\e[0m" if nline
print "\e[1m#{text}\e[0m" if !nline
when "i"
puts "\e[3m#{text}\e[0m" if nline
print "\e[3m#{text}\e[0m" if !nline
when "ib"
puts "\e[1m\e[3m#{text}\e[0m" if nline
print "\e[1m\e[3m#{text}\e[0m" if !nline
when ""
puts text if nline
print text if !nline
end
end
def dispelem(elem)
if elem.class==Nokogiri::XML::Text
showtext(elem)
return
end
case elem.name
when "p"
elem.children.each do |elem|
dispelem(elem)
end
when "a"
$links.push(elem["href"])
showtext(elem.children[0],false)
puts "[#{$linkid}]"
$linkid+=1
when "b"
if $mode=="i"
$mode="ib"
else
$mode="b"
end
elem.children.each do |elem|
dispelem(elem)
end
$mode=""
when "i"
if $mode=="b"
$mode="ib"
else
$mode="i"
end
elem.children.each do |elem|
dispelem(elem)
end
$mode=""
end
end
while true
$links=[]
$linkid=1
system("clear")
doctext=pages[currentpage].gsub("\n","")
doc=Nokogiri::Slop(doctext)
doc.html.body.children.each do |elem|
dispelem(elem)
end
print "Link ID/exit:"
id=gets.chomp!.downcase
break if id=="exit"
currentpage=$links[id.to_i-1]
end