63 lines
1.6 KiB
Ruby
63 lines
1.6 KiB
Ruby
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require 'regexpr.rb'
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class Uri
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class Flags< Array
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class <<self
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def new p
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self[ p. split( /[&;]/) ]
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end
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end
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def to_s
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join '&'
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end
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end
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class <<self
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def new uri
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uri. instance_of?( Uri) ? uri. dup : super( uri)
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end
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end
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attr_accessor :scheme, :username, :password, :host, :port, :path, :file, :flags, :fragment
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def initialize( uri) self. uri= uri end
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def uri() self. pre+ self. uri+ (self. fragment ? '#'+ self. fragment : '') end
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alias to_s uri
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def pre() (self. scheme ? self. scheme+ '://' : '')+ self. serv end
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def serv() (self. host|| '')+ (self. port ? ':'+ self. port : '') end
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def uri
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(self. path || '')+ (self. file || '')+ (self. flags ? '?'+ self. flags : '')
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end
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RegExpr = ::RegExpr[
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:scheme => '( "http" | "ftp" ) "s" ? | "sftp" | "fish"',
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:username => '[^:@]*',
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:password => '[^@]*',
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:host => 'hostname | ipv4',
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:port => 'digit +',
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:path => '( "/" ? [^?#]* "/" ) ?',
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:file => '[^/?#] *',
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:flags => '[^#] *',
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:fragment => '. *',
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'ipv4digits' => '0..255',
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'ipv6digits' => '[0-9a-bA-B] {1,4}',
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'userinfo' => 'username ( ":" password ) ?',
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'domainlabel' => 'alphadigit ( ( alphadigit | "-" ) * alphadigit ) ?',
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'hostname' => 'domainlabel ( "." | domainlabel ) *',
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'ipv4' => 'ipv4digits ( "." ipv4digits ) {3}',
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'request_uri' => '( path ? file ) ? ( "?" flags ) ?',
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'serv' => 'host ( ":" port ? ) ?',
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'pre' => '( ( scheme "://" ) ( auth "@" ) ? serv ) ?',
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'uri' => 'pre request_uri ( "#" fragment ) ?',
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'main' => 'uri'
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]
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RegExpr. def self, :path, :uri, :pre, :serv, :request_uri
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end
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def Uri( uri) Uri.new uri end
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class String
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def to_uri() Uri. new self end
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end
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