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ruby19
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lib64
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1.9.1
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cgi
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html.rb
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class CGI # Base module for HTML-generation mixins. # # Provides methods for code generation for tags following # the various DTD element types. module TagMaker # :nodoc: # Generate code for an element with required start and end tags. # # - - def nn_element_def(element) nOE_element_def(element, <<-END) if block_given? yield.to_s else "" end + "</#{element.upcase}>" END end # Generate code for an empty element. # # - O EMPTY def nOE_element_def(element, append = nil) s = <<-END attributes={attributes=>nil} if attributes.kind_of?(String) "<#{element.upcase}" + attributes.collect{|name, value| next unless value " " + CGI::escapeHTML(name.to_s) + if true == value "" else '="' + CGI::escapeHTML(value.to_s) + '"' end }.join + ">" END s.sub!(/\Z/, " +") << append if append s end # Generate code for an element for which the end (and possibly the # start) tag is optional. # # O O or - O def nO_element_def(element) nOE_element_def(element, <<-END) if block_given? yield.to_s + "</#{element.upcase}>" else "" end END end end # TagMaker # # Mixin module providing HTML generation methods. # # For example, # cgi.a("http://www.example.com") { "Example" } # # => "<A HREF=\"http://www.example.com\">Example</A>" # # Modules Http3, Http4, etc., contain more basic HTML-generation methods # (:title, :center, etc.). # # See class CGI for a detailed example. # module HtmlExtension # Generate an Anchor element as a string. # # +href+ can either be a string, giving the URL # for the HREF attribute, or it can be a hash of # the element's attributes. # # The body of the element is the string returned by the no-argument # block passed in. # # a("http://www.example.com") { "Example" } # # => "<A HREF=\"http://www.example.com\">Example</A>" # # a("HREF" => "http://www.example.com", "TARGET" => "_top") { "Example" } # # => "<A HREF=\"http://www.example.com\" TARGET=\"_top\">Example</A>" # def a(href = "") # :yield: attributes = if href.kind_of?(String) { "HREF" => href } else href end if block_given? super(attributes){ yield } else super(attributes) end end # Generate a Document Base URI element as a String. # # +href+ can either by a string, giving the base URL for the HREF # attribute, or it can be a has of the element's attributes. # # The passed-in no-argument block is ignored. # # base("http://www.example.com/cgi") # # => "<BASE HREF=\"http://www.example.com/cgi\">" def base(href = "") # :yield: attributes = if href.kind_of?(String) { "HREF" => href } else href end if block_given? super(attributes){ yield } else super(attributes) end end # Generate a BlockQuote element as a string. # # +cite+ can either be a string, give the URI for the source of # the quoted text, or a hash, giving all attributes of the element, # or it can be omitted, in which case the element has no attributes. # # The body is provided by the passed-in no-argument block # # blockquote("http://www.example.com/quotes/foo.html") { "Foo!" } # #=> "<BLOCKQUOTE CITE=\"http://www.example.com/quotes/foo.html\">Foo!</BLOCKQUOTE> def blockquote(cite = {}) # :yield: attributes = if cite.kind_of?(String) { "CITE" => cite } else cite end if block_given? super(attributes){ yield } else super(attributes) end end # Generate a Table Caption element as a string. # # +align+ can be a string, giving the alignment of the caption # (one of top, bottom, left, or right). It can be a hash of # all the attributes of the element. Or it can be omitted. # # The body of the element is provided by the passed-in no-argument block. # # caption("left") { "Capital Cities" } # # => <CAPTION ALIGN=\"left\">Capital Cities</CAPTION> def caption(align = {}) # :yield: attributes = if align.kind_of?(String) { "ALIGN" => align } else align end if block_given? super(attributes){ yield } else super(attributes) end end # Generate a Checkbox Input element as a string. # # The attributes of the element can be specified as three arguments, # +name+, +value+, and +checked+. +checked+ is a boolean value; # if true, the CHECKED attribute will be included in the element. # # Alternatively, the attributes can be specified as a hash. # # checkbox("name") # # = checkbox("NAME" => "name") # # checkbox("name", "value") # # = checkbox("NAME" => "name", "VALUE" => "value") # # checkbox("name", "value", true) # # = checkbox("NAME" => "name", "VALUE" => "value", "CHECKED" => true) def checkbox(name = "", value = nil, checked = nil) attributes = if name.kind_of?(String) { "TYPE" => "checkbox", "NAME" => name, "VALUE" => value, "CHECKED" => checked } else name["TYPE"] = "checkbox" name end input(attributes) end # Generate a sequence of checkbox elements, as a String. # # The checkboxes will all have the same +name+ attribute. # Each checkbox is followed by a label. # There will be one checkbox for each value. Each value # can be specified as a String, which will be used both # as the value of the VALUE attribute and as the label # for that checkbox. A single-element array has the # same effect. # # Each value can also be specified as a three-element array. # The first element is the VALUE attribute; the second is the # label; and the third is a boolean specifying whether this # checkbox is CHECKED. # # Each value can also be specified as a two-element # array, by omitting either the value element (defaults # to the same as the label), or the boolean checked element # (defaults to false). # # checkbox_group("name", "foo", "bar", "baz") # # <INPUT TYPE="checkbox" NAME="name" VALUE="foo">foo # # <INPUT TYPE="checkbox" NAME="name" VALUE="bar">bar # # <INPUT TYPE="checkbox" NAME="name" VALUE="baz">baz # # checkbox_group("name", ["foo"], ["bar", true], "baz") # # <INPUT TYPE="checkbox" NAME="name" VALUE="foo">foo # # <INPUT TYPE="checkbox" CHECKED NAME="name" VALUE="bar">bar # # <INPUT TYPE="checkbox" NAME="name" VALUE="baz">baz # # checkbox_group("name", ["1", "Foo"], ["2", "Bar", true], "Baz") # # <INPUT TYPE="checkbox" NAME="name" VALUE="1">Foo # # <INPUT TYPE="checkbox" CHECKED NAME="name" VALUE="2">Bar # # <INPUT TYPE="checkbox" NAME="name" VALUE="Baz">Baz # # checkbox_group("NAME" => "name", # "VALUES" => ["foo", "bar", "baz"]) # # checkbox_group("NAME" => "name", # "VALUES" => [["foo"], ["bar", true], "baz"]) # # checkbox_group("NAME" => "name", # "VALUES" => [["1", "Foo"], ["2", "Bar", true], "Baz"]) def checkbox_group(name = "", *values) if name.kind_of?(Hash) values = name["VALUES"] name = name["NAME"] end values.collect{|value| if value.kind_of?(String) checkbox(name, value) + value else if value[-1] == true || value[-1] == false checkbox(name, value[0], value[-1]) + value[-2] else checkbox(name, value[0]) + value[-1] end end }.join end # Generate an File Upload Input element as a string. # # The attributes of the element can be specified as three arguments, # +name+, +size+, and +maxlength+. +maxlength+ is the maximum length # of the file's _name_, not of the file's _contents_. # # Alternatively, the attributes can be specified as a hash. # # See #multipart_form() for forms that include file uploads. # # file_field("name") # # <INPUT TYPE="file" NAME="name" SIZE="20"> # # file_field("name", 40) # # <INPUT TYPE="file" NAME="name" SIZE="40"> # # file_field("name", 40, 100) # # <INPUT TYPE="file" NAME="name" SIZE="40" MAXLENGTH="100"> # # file_field("NAME" => "name", "SIZE" => 40) # # <INPUT TYPE="file" NAME="name" SIZE="40"> def file_field(name = "", size = 20, maxlength = nil) attributes = if name.kind_of?(String) { "TYPE" => "file", "NAME" => name, "SIZE" => size.to_s } else name["TYPE"] = "file" name end attributes["MAXLENGTH"] = maxlength.to_s if maxlength input(attributes) end # Generate a Form element as a string. # # +method+ should be either "get" or "post", and defaults to the latter. # +action+ defaults to the current CGI script name. +enctype+ # defaults to "application/x-www-form-urlencoded". # # Alternatively, the attributes can be specified as a hash. # # See also #multipart_form() for forms that include file uploads. # # form{ "string" } # # <FORM METHOD="post" ENCTYPE="application/x-www-form-urlencoded">string</FORM> # # form("get") { "string" } # # <FORM METHOD="get" ENCTYPE="application/x-www-form-urlencoded">string</FORM> # # form("get", "url") { "string" } # # <FORM METHOD="get" ACTION="url" ENCTYPE="application/x-www-form-urlencoded">string</FORM> # # form("METHOD" => "post", "ENCTYPE" => "enctype") { "string" } # # <FORM METHOD="post" ENCTYPE="enctype">string</FORM> def form(method = "post", action = script_name, enctype = "application/x-www-form-urlencoded") attributes = if method.kind_of?(String) { "METHOD" => method, "ACTION" => action, "ENCTYPE" => enctype } else unless method.has_key?("METHOD") method["METHOD"] = "post" end unless method.has_key?("ENCTYPE") method["ENCTYPE"] = enctype end method end if block_given? body = yield else body = "" end if @output_hidden body += @output_hidden.collect{|k,v| "<INPUT TYPE=\"HIDDEN\" NAME=\"#{k}\" VALUE=\"#{v}\">" }.join end super(attributes){body} end # Generate a Hidden Input element as a string. # # The attributes of the element can be specified as two arguments, # +name+ and +value+. # # Alternatively, the attributes can be specified as a hash. # # hidden("name") # # <INPUT TYPE="hidden" NAME="name"> # # hidden("name", "value") # # <INPUT TYPE="hidden" NAME="name" VALUE="value"> # # hidden("NAME" => "name", "VALUE" => "reset", "ID" => "foo") # # <INPUT TYPE="hidden" NAME="name" VALUE="value" ID="foo"> def hidden(name = "", value = nil) attributes = if name.kind_of?(String) { "TYPE" => "hidden", "NAME" => name, "VALUE" => value } else name["TYPE"] = "hidden" name end input(attributes) end # Generate a top-level HTML element as a string. # # The attributes of the element are specified as a hash. The # pseudo-attribute "PRETTY" can be used to specify that the generated # HTML string should be indented. "PRETTY" can also be specified as # a string as the sole argument to this method. The pseudo-attribute # "DOCTYPE", if given, is used as the leading DOCTYPE SGML tag; it # should include the entire text of this tag, including angle brackets. # # The body of the html element is supplied as a block. # # html{ "string" } # # <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><HTML>string</HTML> # # html("LANG" => "ja") { "string" } # # <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><HTML LANG="ja">string</HTML> # # html("DOCTYPE" => false) { "string" } # # <HTML>string</HTML> # # html("DOCTYPE" => '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">') { "string" } # # <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"><HTML>string</HTML> # # html("PRETTY" => " ") { "<BODY></BODY>" } # # <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> # # <HTML> # # <BODY> # # </BODY> # # </HTML> # # html("PRETTY" => "\t") { "<BODY></BODY>" } # # <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> # # <HTML> # # <BODY> # # </BODY> # # </HTML> # # html("PRETTY") { "<BODY></BODY>" } # # = html("PRETTY" => " ") { "<BODY></BODY>" } # # html(if $VERBOSE then "PRETTY" end) { "HTML string" } # def html(attributes = {}) # :yield: if nil == attributes attributes = {} elsif "PRETTY" == attributes attributes = { "PRETTY" => true } end pretty = attributes.delete("PRETTY") pretty = " " if true == pretty buf = "" if attributes.has_key?("DOCTYPE") if attributes["DOCTYPE"] buf += attributes.delete("DOCTYPE") else attributes.delete("DOCTYPE") end else buf += doctype end if block_given? buf += super(attributes){ yield } else buf += super(attributes) end if pretty CGI::pretty(buf, pretty) else buf end end # Generate an Image Button Input element as a string. # # +src+ is the URL of the image to use for the button. +name+ # is the input name. +alt+ is the alternative text for the image. # # Alternatively, the attributes can be specified as a hash. # # image_button("url") # # <INPUT TYPE="image" SRC="url"> # # image_button("url", "name", "string") # # <INPUT TYPE="image" SRC="url" NAME="name" ALT="string"> # # image_button("SRC" => "url", "ALT" => "string") # # <INPUT TYPE="image" SRC="url" ALT="string"> def image_button(src = "", name = nil, alt = nil) attributes = if src.kind_of?(String) { "TYPE" => "image", "SRC" => src, "NAME" => name, "ALT" => alt } else src["TYPE"] = "image" src["SRC"] ||= "" src end input(attributes) end # Generate an Image element as a string. # # +src+ is the URL of the image. +alt+ is the alternative text for # the image. +width+ is the width of the image, and +height+ is # its height. # # Alternatively, the attributes can be specified as a hash. # # img("src", "alt", 100, 50) # # <IMG SRC="src" ALT="alt" WIDTH="100" HEIGHT="50"> # # img("SRC" => "src", "ALT" => "alt", "WIDTH" => 100, "HEIGHT" => 50) # # <IMG SRC="src" ALT="alt" WIDTH="100" HEIGHT="50"> def img(src = "", alt = "", width = nil, height = nil) attributes = if src.kind_of?(String) { "SRC" => src, "ALT" => alt } else src end attributes["WIDTH"] = width.to_s if width attributes["HEIGHT"] = height.to_s if height super(attributes) end # Generate a Form element with multipart encoding as a String. # # Multipart encoding is used for forms that include file uploads. # # +action+ is the action to perform. +enctype+ is the encoding # type, which defaults to "multipart/form-data". # # Alternatively, the attributes can be specified as a hash. # # multipart_form{ "string" } # # <FORM METHOD="post" ENCTYPE="multipart/form-data">string</FORM> # # multipart_form("url") { "string" } # # <FORM METHOD="post" ACTION="url" ENCTYPE="multipart/form-data">string</FORM> def multipart_form(action = nil, enctype = "multipart/form-data") attributes = if action == nil { "METHOD" => "post", "ENCTYPE" => enctype } elsif action.kind_of?(String) { "METHOD" => "post", "ACTION" => action, "ENCTYPE" => enctype } else unless action.has_key?("METHOD") action["METHOD"] = "post" end unless action.has_key?("ENCTYPE") action["ENCTYPE"] = enctype end action end if block_given? form(attributes){ yield } else form(attributes) end end # Generate a Password Input element as a string. # # +name+ is the name of the input field. +value+ is its default # value. +size+ is the size of the input field display. +maxlength+ # is the maximum length of the inputted password. # # Alternatively, attributes can be specified as a hash. # # password_field("name") # # <INPUT TYPE="password" NAME="name" SIZE="40"> # # password_field("name", "value") # # <INPUT TYPE="password" NAME="name" VALUE="value" SIZE="40"> # # password_field("password", "value", 80, 200) # # <INPUT TYPE="password" NAME="name" VALUE="value" SIZE="80" MAXLENGTH="200"> # # password_field("NAME" => "name", "VALUE" => "value") # # <INPUT TYPE="password" NAME="name" VALUE="value"> def password_field(name = "", value = nil, size = 40, maxlength = nil) attributes = if name.kind_of?(String) { "TYPE" => "password", "NAME" => name, "VALUE" => value, "SIZE" => size.to_s } else name["TYPE"] = "password" name end attributes["MAXLENGTH"] = maxlength.to_s if maxlength input(attributes) end # Generate a Select element as a string. # # +name+ is the name of the element. The +values+ are the options that # can be selected from the Select menu. Each value can be a String or # a one, two, or three-element Array. If a String or a one-element # Array, this is both the value of that option and the text displayed for # it. If a three-element Array, the elements are the option value, displayed # text, and a boolean value specifying whether this option starts as selected. # The two-element version omits either the option value (defaults to the same # as the display text) or the boolean selected specifier (defaults to false). # # The attributes and options can also be specified as a hash. In this # case, options are specified as an array of values as described above, # with the hash key of "VALUES". # # popup_menu("name", "foo", "bar", "baz") # # <SELECT NAME="name"> # # <OPTION VALUE="foo">foo</OPTION> # # <OPTION VALUE="bar">bar</OPTION> # # <OPTION VALUE="baz">baz</OPTION> # # </SELECT> # # popup_menu("name", ["foo"], ["bar", true], "baz") # # <SELECT NAME="name"> # # <OPTION VALUE="foo">foo</OPTION> # # <OPTION VALUE="bar" SELECTED>bar</OPTION> # # <OPTION VALUE="baz">baz</OPTION> # # </SELECT> # # popup_menu("name", ["1", "Foo"], ["2", "Bar", true], "Baz") # # <SELECT NAME="name"> # # <OPTION VALUE="1">Foo</OPTION> # # <OPTION SELECTED VALUE="2">Bar</OPTION> # # <OPTION VALUE="Baz">Baz</OPTION> # # </SELECT> # # popup_menu("NAME" => "name", "SIZE" => 2, "MULTIPLE" => true, # "VALUES" => [["1", "Foo"], ["2", "Bar", true], "Baz"]) # # <SELECT NAME="name" MULTIPLE SIZE="2"> # # <OPTION VALUE="1">Foo</OPTION> # # <OPTION SELECTED VALUE="2">Bar</OPTION> # # <OPTION VALUE="Baz">Baz</OPTION> # # </SELECT> def popup_menu(name = "", *values) if name.kind_of?(Hash) values = name["VALUES"] size = name["SIZE"].to_s if name["SIZE"] multiple = name["MULTIPLE"] name = name["NAME"] else size = nil multiple = nil end select({ "NAME" => name, "SIZE" => size, "MULTIPLE" => multiple }){ values.collect{|value| if value.kind_of?(String) option({ "VALUE" => value }){ value } else if value[value.size - 1] == true option({ "VALUE" => value[0], "SELECTED" => true }){ value[value.size - 2] } else option({ "VALUE" => value[0] }){ value[value.size - 1] } end end }.join } end # Generates a radio-button Input element. # # +name+ is the name of the input field. +value+ is the value of # the field if checked. +checked+ specifies whether the field # starts off checked. # # Alternatively, the attributes can be specified as a hash. # # radio_button("name", "value") # # <INPUT TYPE="radio" NAME="name" VALUE="value"> # # radio_button("name", "value", true) # # <INPUT TYPE="radio" NAME="name" VALUE="value" CHECKED> # # radio_button("NAME" => "name", "VALUE" => "value", "ID" => "foo") # # <INPUT TYPE="radio" NAME="name" VALUE="value" ID="foo"> def radio_button(name = "", value = nil, checked = nil) attributes = if name.kind_of?(String) { "TYPE" => "radio", "NAME" => name, "VALUE" => value, "CHECKED" => checked } else name["TYPE"] = "radio" name end input(attributes) end # Generate a sequence of radio button Input elements, as a String. # # This works the same as #checkbox_group(). However, it is not valid # to have more than one radiobutton in a group checked. # # radio_group("name", "foo", "bar", "baz") # # <INPUT TYPE="radio" NAME="name" VALUE="foo">foo # # <INPUT TYPE="radio" NAME="name" VALUE="bar">bar # # <INPUT TYPE="radio" NAME="name" VALUE="baz">baz # # radio_group("name", ["foo"], ["bar", true], "baz") # # <INPUT TYPE="radio" NAME="name" VALUE="foo">foo # # <INPUT TYPE="radio" CHECKED NAME="name" VALUE="bar">bar # # <INPUT TYPE="radio" NAME="name" VALUE="baz">baz # # radio_group("name", ["1", "Foo"], ["2", "Bar", true], "Baz") # # <INPUT TYPE="radio" NAME="name" VALUE="1">Foo # # <INPUT TYPE="radio" CHECKED NAME="name" VALUE="2">Bar # # <INPUT TYPE="radio" NAME="name" VALUE="Baz">Baz # # radio_group("NAME" => "name", # "VALUES" => ["foo", "bar", "baz"]) # # radio_group("NAME" => "name", # "VALUES" => [["foo"], ["bar", true], "baz"]) # # radio_group("NAME" => "name", # "VALUES" => [["1", "Foo"], ["2", "Bar", true], "Baz"]) def radio_group(name = "", *values) if name.kind_of?(Hash) values = name["VALUES"] name = name["NAME"] end values.collect{|value| if value.kind_of?(String) radio_button(name, value) + value else if value[-1] == true || value[-1] == false radio_button(name, value[0], value[-1]) + value[-2] else radio_button(name, value[0]) + value[-1] end end }.join end # Generate a reset button Input element, as a String. # # This resets the values on a form to their initial values. +value+ # is the text displayed on the button. +name+ is the name of this button. # # Alternatively, the attributes can be specified as a hash. # # reset # # <INPUT TYPE="reset"> # # reset("reset") # # <INPUT TYPE="reset" VALUE="reset"> # # reset("VALUE" => "reset", "ID" => "foo") # # <INPUT TYPE="reset" VALUE="reset" ID="foo"> def reset(value = nil, name = nil) attributes = if (not value) or value.kind_of?(String) { "TYPE" => "reset", "VALUE" => value, "NAME" => name } else value["TYPE"] = "reset" value end input(attributes) end alias scrolling_list popup_menu # Generate a submit button Input element, as a String. # # +value+ is the text to display on the button. +name+ is the name # of the input. # # Alternatively, the attributes can be specified as a hash. # # submit # # <INPUT TYPE="submit"> # # submit("ok") # # <INPUT TYPE="submit" VALUE="ok"> # # submit("ok", "button1") # # <INPUT TYPE="submit" VALUE="ok" NAME="button1"> # # submit("VALUE" => "ok", "NAME" => "button1", "ID" => "foo") # # <INPUT TYPE="submit" VALUE="ok" NAME="button1" ID="foo"> def submit(value = nil, name = nil) attributes = if (not value) or value.kind_of?(String) { "TYPE" => "submit", "VALUE" => value, "NAME" => name } else value["TYPE"] = "submit" value end input(attributes) end # Generate a text field Input element, as a String. # # +name+ is the name of the input field. +value+ is its initial # value. +size+ is the size of the input area. +maxlength+ # is the maximum length of input accepted. # # Alternatively, the attributes can be specified as a hash. # # text_field("name") # # <INPUT TYPE="text" NAME="name" SIZE="40"> # # text_field("name", "value") # # <INPUT TYPE="text" NAME="name" VALUE="value" SIZE="40"> # # text_field("name", "value", 80) # # <INPUT TYPE="text" NAME="name" VALUE="value" SIZE="80"> # # text_field("name", "value", 80, 200) # # <INPUT TYPE="text" NAME="name" VALUE="value" SIZE="80" MAXLENGTH="200"> # # text_field("NAME" => "name", "VALUE" => "value") # # <INPUT TYPE="text" NAME="name" VALUE="value"> def text_field(name = "", value = nil, size = 40, maxlength = nil) attributes = if name.kind_of?(String) { "TYPE" => "text", "NAME" => name, "VALUE" => value, "SIZE" => size.to_s } else name["TYPE"] = "text" name end attributes["MAXLENGTH"] = maxlength.to_s if maxlength input(attributes) end # Generate a TextArea element, as a String. # # +name+ is the name of the textarea. +cols+ is the number of # columns and +rows+ is the number of rows in the display. # # Alternatively, the attributes can be specified as a hash. # # The body is provided by the passed-in no-argument block # # textarea("name") # # = textarea("NAME" => "name", "COLS" => 70, "ROWS" => 10) # # textarea("name", 40, 5) # # = textarea("NAME" => "name", "COLS" => 40, "ROWS" => 5) def textarea(name = "", cols = 70, rows = 10) # :yield: attributes = if name.kind_of?(String) { "NAME" => name, "COLS" => cols.to_s, "ROWS" => rows.to_s } else name end if block_given? super(attributes){ yield } else super(attributes) end end end # HtmlExtension # Mixin module for HTML version 3 generation methods. module Html3 # :nodoc: # The DOCTYPE declaration for this version of HTML def doctype %|<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">| end # Initialise the HTML generation methods for this version. def element_init extend TagMaker methods = "" # - - for element in %w[ A TT I B U STRIKE BIG SMALL SUB SUP EM STRONG DFN CODE SAMP KBD VAR CITE FONT ADDRESS DIV center MAP APPLET PRE XMP LISTING DL OL UL DIR MENU SELECT table TITLE STYLE SCRIPT H1 H2 H3 H4 H5 H6 TEXTAREA FORM BLOCKQUOTE CAPTION ] methods += <<-BEGIN + nn_element_def(element) + <<-END def #{element.downcase}(attributes = {}) BEGIN end END end # - O EMPTY for element in %w[ IMG BASE BASEFONT BR AREA LINK PARAM HR INPUT ISINDEX META ] methods += <<-BEGIN + nOE_element_def(element) + <<-END def #{element.downcase}(attributes = {}) BEGIN end END end # O O or - O for element in %w[ HTML HEAD BODY P PLAINTEXT DT DD LI OPTION tr th td ] methods += <<-BEGIN + nO_element_def(element) + <<-END def #{element.downcase}(attributes = {}) BEGIN end END end eval(methods) end end # Html3 # Mixin module for HTML version 4 generation methods. module Html4 # :nodoc: # The DOCTYPE declaration for this version of HTML def doctype %|<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">| end # Initialise the HTML generation methods for this version. def element_init extend TagMaker methods = "" # - - for element in %w[ TT I B BIG SMALL EM STRONG DFN CODE SAMP KBD VAR CITE ABBR ACRONYM SUB SUP SPAN BDO ADDRESS DIV MAP OBJECT H1 H2 H3 H4 H5 H6 PRE Q INS DEL DL OL UL LABEL SELECT OPTGROUP FIELDSET LEGEND BUTTON TABLE TITLE STYLE SCRIPT NOSCRIPT TEXTAREA FORM A BLOCKQUOTE CAPTION ] methods += <<-BEGIN + nn_element_def(element) + <<-END def #{element.downcase}(attributes = {}) BEGIN end END end # - O EMPTY for element in %w[ IMG BASE BR AREA LINK PARAM HR INPUT COL META ] methods += <<-BEGIN + nOE_element_def(element) + <<-END def #{element.downcase}(attributes = {}) BEGIN end END end # O O or - O for element in %w[ HTML BODY P DT DD LI OPTION THEAD TFOOT TBODY COLGROUP TR TH TD HEAD] methods += <<-BEGIN + nO_element_def(element) + <<-END def #{element.downcase}(attributes = {}) BEGIN end END end eval(methods) end end # Html4 # Mixin module for HTML version 4 transitional generation methods. module Html4Tr # :nodoc: # The DOCTYPE declaration for this version of HTML def doctype %|<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">| end # Initialise the HTML generation methods for this version. def element_init extend TagMaker methods = "" # - - for element in %w[ TT I B U S STRIKE BIG SMALL EM STRONG DFN CODE SAMP KBD VAR CITE ABBR ACRONYM FONT SUB SUP SPAN BDO ADDRESS DIV CENTER MAP OBJECT APPLET H1 H2 H3 H4 H5 H6 PRE Q INS DEL DL OL UL DIR MENU LABEL SELECT OPTGROUP FIELDSET LEGEND BUTTON TABLE IFRAME NOFRAMES TITLE STYLE SCRIPT NOSCRIPT TEXTAREA FORM A BLOCKQUOTE CAPTION ] methods += <<-BEGIN + nn_element_def(element) + <<-END def #{element.downcase}(attributes = {}) BEGIN end END end # - O EMPTY for element in %w[ IMG BASE BASEFONT BR AREA LINK PARAM HR INPUT COL ISINDEX META ] methods += <<-BEGIN + nOE_element_def(element) + <<-END def #{element.downcase}(attributes = {}) BEGIN end END end # O O or - O for element in %w[ HTML BODY P DT DD LI OPTION THEAD TFOOT TBODY COLGROUP TR TH TD HEAD ] methods += <<-BEGIN + nO_element_def(element) + <<-END def #{element.downcase}(attributes = {}) BEGIN end END end eval(methods) end end # Html4Tr # Mixin module for generating HTML version 4 with framesets. module Html4Fr # :nodoc: # The DOCTYPE declaration for this version of HTML def doctype %|<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">| end # Initialise the HTML generation methods for this version. def element_init methods = "" # - - for element in %w[ FRAMESET ] methods += <<-BEGIN + nn_element_def(element) + <<-END def #{element.downcase}(attributes = {}) BEGIN end END end # - O EMPTY for element in %w[ FRAME ] methods += <<-BEGIN + nOE_element_def(element) + <<-END def #{element.downcase}(attributes = {}) BEGIN end END end eval(methods) end end # Html4Fr end