Class: Hobix::WebApp::URIGen
- Inherits:
-
Object
- Object
- Hobix::WebApp::URIGen
- Defined in:
- lib/hobix/webapp/urigen.rb
Overview
:stopdoc:
Constant Summary collapse
- Alpha =
'a-zA-Z'
- Digit =
'0-9'
- AlphaNum =
Alpha + Digit
- Mark =
'\-_.!~*\'()'
- Unreserved =
AlphaNum + Mark
- PChar =
Unreserved + ':@&=+$,'
- Reserved =
';/?:@&=+$,'
- Uric =
Reserved + Unreserved
Instance Attribute Summary collapse
-
#base_uri ⇒ Object
readonly
Returns the value of attribute base_uri.
Instance Method Summary collapse
- #form_escape(s) ⇒ Object
-
#initialize(scheme, server_name, server_port, script_name, path_info) ⇒ URIGen
constructor
A new instance of URIGen.
- #make_absolute_uri(hash) ⇒ Object
- #make_relative_uri(hash) ⇒ Object
- #pchar_escape(s) ⇒ Object
- #uric_escape(s) ⇒ Object
Constructor Details
#initialize(scheme, server_name, server_port, script_name, path_info) ⇒ URIGen
Returns a new instance of URIGen.
7 8 9 10 11 12 13 14 15 16 17 |
# File 'lib/hobix/webapp/urigen.rb', line 7 def initialize(scheme, server_name, server_port, script_name, path_info) @scheme = scheme @server_name = server_name @server_port = server_port @script_name = script_name @path_info = path_info uri = "#{scheme}://#{server_name}:#{server_port}" uri << script_name.gsub(%r{[^/]+}) {|segment| pchar_escape(segment) } uri << path_info.gsub(%r{[^/]+}) {|segment| pchar_escape(segment) } @base_uri = URI.parse(uri) end |
Instance Attribute Details
#base_uri ⇒ Object (readonly)
Returns the value of attribute base_uri.
18 19 20 |
# File 'lib/hobix/webapp/urigen.rb', line 18 def base_uri @base_uri end |
Instance Method Details
#form_escape(s) ⇒ Object
133 134 135 136 137 |
# File 'lib/hobix/webapp/urigen.rb', line 133 def form_escape(s) s.gsub(/[#{Reserved}\x00-\x1f\x7f-\xff]/on) {|c| sprintf("%%%02X", c[0]) }.gsub(/ /on) { '+' } end |
#make_absolute_uri(hash) ⇒ Object
113 114 115 |
# File 'lib/hobix/webapp/urigen.rb', line 113 def make_absolute_uri(hash) @base_uri + make_relative_uri(hash) end |
#make_relative_uri(hash) ⇒ Object
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 |
# File 'lib/hobix/webapp/urigen.rb', line 20 def make_relative_uri(hash) script = nil path_info = nil query = nil fragment = nil hash.each_pair {|k,v| case k when :script then script = v when :path_info then path_info = v when :query then query = v when :fragment then fragment = v else raise ArgumentError, "unexpected: #{k} => #{v}" end } if !script script = @script_name elsif %r{\A/} !~ script script = @script_name.sub(%r{[^/]*\z}) { script } while script.sub!(%r{/[^/]*/\.\.(?=/|\z)}, '') end script.sub!(%r{\A/\.\.(?=/|\z)}, '') end path_info = '/' + path_info if %r{\A[^/]} =~ path_info dst = "#{script}#{path_info}" dst.sub!(%r{\A/}, '') dst.sub!(%r{[^/]*\z}, '') dst_basename = $& src = "#{@script_name}#{@path_info}" src.sub!(%r{\A/}, '') src.sub!(%r{[^/]*\z}, '') while src[%r{\A[^/]*/}] == dst[%r{\A[^/]*/}] if $~ src.sub!(%r{\A[^/]*/}, '') dst.sub!(%r{\A[^/]*/}, '') else break end end rel_path = '../' * src.count('/') rel_path << dst << dst_basename rel_path = './' if rel_path.empty? rel_path.gsub!(%r{[^/]+}) {|segment| pchar_escape(segment) } if /\A[A-Za-z][A-Za-z0-9+\-.]*:/ =~ rel_path # It seems absolute URI. rel_path.sub!(/:/, '%3A') end if query case query when QueryString query = query.instance_eval { @escaped_query_string } when Hash query = query.map {|k, v| case v when String "#{form_escape(k)}=#{form_escape(v)}" when Array v.map {|e| unless String === e raise ArgumentError, "unexpected query value: #{e.inspect}" end "#{form_escape(k)}=#{form_escape(e)}" } else raise ArgumentError, "unexpected query value: #{v.inspect}" end }.join(';') else raise ArgumentError, "unexpected query: #{query.inspect}" end unless query.empty? query = '?' + uric_escape(query) end else query = '' end if fragment fragment = "#" + uric_escape(fragment) else fragment = '' end URI.parse(rel_path + query + fragment) end |
#pchar_escape(s) ⇒ Object
123 124 125 |
# File 'lib/hobix/webapp/urigen.rb', line 123 def pchar_escape(s) s.gsub(/[^#{PChar}]/on) {|c| sprintf("%%%02X", c[0]) } end |
#uric_escape(s) ⇒ Object
129 130 131 |
# File 'lib/hobix/webapp/urigen.rb', line 129 def uric_escape(s) s.gsub(/[^#{Uric}]/on) {|c| sprintf("%%%02X", c[0]) } end |