mechanize：Mechanize::Form#fields

everyday Ruby

以下のような HTML で

<html>
<head>
<title>form test</title>
</head>
<body>

<form method="get" action="cgi/foo00.cgi" name="form1">
  <input type="text" name="text1" />
  <input type="hidden" name="hidden1" />
  <textarea name="textarea1" rows="4" cols="40">foo</textarea>
</form>

</body>
</html>
>> require 'mechanize'
=> true
>> agent = Mechanize.new
=> #<Mechanize:0xb7423594 ...
>> page = agent.get('http://127.0.0.1:8080/test10_form.html')
=> #<Mechanize::Page
 {url #<URI::HTTP:0xb741fcdc URL:http://127.0.0.1:8080/test10_form.html>}
 {meta}
 {title "form test"}
 {iframes}
 {frames}
 {links}
 {forms
  #<Mechanize::Form
   {name "form1"}
   {method "GET"}
   {action "cgi/foo00.cgi"}
   {fields
    #<Mechanize::Form::Text:0xb7417258
     @name="text1",
     @node=
      #(Element:0x..fdba0b9fe {
        name = "input",
        attributes = [
          #(Attr:0x..fdba0a004 { name = "type", value = "text" }),
          #(Attr:0x..fdba09ffa { name = "name", value = "text1" })]
        }),
     @value="">
    #<Mechanize::Form::Hidden:0xb741708c
     @name="hidden1",
     @node=
      #(Element:0x..fdba0b9ae {
        name = "input",
        attributes = [
          #(Attr:0x..fdba08b1e { name = "type", value = "hidden" }),
          #(Attr:0x..fdba08b14 { name = "name", value = "hidden1" })]
        }),
     @value="">
    #<Mechanize::Form::Field:0xb7416920
     @name="textarea1",
     @node=
      #(Element:0x..fdba0b4cc {
        name = "textarea",
        attributes = [
          #(Attr:0x..fdba0766a { name = "name", value = "textarea1" }),
          #(Attr:0x..fdba07660 { name = "rows", value = "4" }),
          #(Attr:0x..fdba07656 { name = "cols", value = "40" })],
        children = [ #(Text "foo")]
        }),
     @value="foo">}
   {radiobuttons}
   {checkboxes}
   {file_uploads}
   {buttons}>}>

>> page.form_with(:name => "form1").fields
=> [#<Mechanize::Form::Text:0xb7417258 @name="text1", @value="", @node=#<Nokogiri::XML::Element:0x..fdba0b9fe name="input" attributes=[#<Nokogiri::XML::Attr:0x..fdba0a004 name="type" value="text">, #<Nokogiri::XML::Attr:0x..fdba09ffa name="name" value="text1">]>>, #<Mechanize::Form::Hidden:0xb741708c @name="hidden1", @value="", @node=#<Nokogiri::XML::Element:0x..fdba0b9ae name="input" attributes=[#<Nokogiri::XML::Attr:0x..fdba08b1e name="type" value="hidden">, #<Nokogiri::XML::Attr:0x..fdba08b14 name="name" value="hidden1">]>>, #<Mechanize::Form::Field:0xb7416920 @name="textarea1", @value="foo", @node=#<Nokogiri::XML::Element:0x..fdba0b4cc name="textarea" attributes=[#<Nokogiri::XML::Attr:0x..fdba0766a name="name" value="textarea1">, #<Nokogiri::XML::Attr:0x..fdba07660 name="rows" value="4">, #<Nokogiri::XML::Attr:0x..fdba07656 name="cols" value="40">] children=[#<Nokogiri::XML::Text:0x..fdba064b8 "foo">]>>]

text, hidden, textarea の三つが対象か？