Initial Commit

2018-04-14 11:36:04 -05:00 · 2018-04-14 11:36:04 -05:00 · b914b871b1
commit b914b871b1
3 changed files with 116 additions and 0 deletions
--- a/2
+++ b/2
@ -0,0 +1,2 @@
+source "https://rubygems.org"
+gem "nokogiri"
--- a/Gemfile.lock
+++ b/Gemfile.lock
@ -0,0 +1,15 @@
+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
--- a/browse.rb
+++ b/browse.rb
@ -0,0 +1,99 @@
+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