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author | (no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-04-06 08:02:56 +0000 |
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committer | (no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-04-06 08:02:56 +0000 |
commit | 5923a2c0e770515a9c7144c50e09a32350695b00 (patch) | |
tree | 66882c2ac60d7d1b25bb49ee476cb829695aa906 /lib/rss/xml-stylesheet.rb | |
parent | 8e773df6d3b68caf2e56e6c75a8e48bf2ccc1bd3 (diff) |
This commit was manufactured by cvs2svn to create branch 'ruby_1_8'.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@6109 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/rss/xml-stylesheet.rb')
-rw-r--r-- | lib/rss/xml-stylesheet.rb | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/lib/rss/xml-stylesheet.rb b/lib/rss/xml-stylesheet.rb new file mode 100644 index 0000000000..7862c4f278 --- /dev/null +++ b/lib/rss/xml-stylesheet.rb @@ -0,0 +1,94 @@ +require "rss/utils" + +module RSS + + module XMLStyleSheetMixin + attr_accessor :xml_stylesheets + def initialize(*args) + super + @xml_stylesheets = [] + end + + private + def xml_stylesheet_pi + xsss = @xml_stylesheets.collect do |xss| + pi = xss.to_s + pi = nil if /\A\s*\z/ =~ pi + pi + end.compact + xsss.push("") unless xsss.empty? + xsss.join("\n") + end + end + + class XMLStyleSheet + + include Utils + + ATTRIBUTES = %w(href type title media charset alternate) + + GUESS_TABLE = { + "xsl" => "text/xsl", + "css" => "text/css", + } + + attr_accessor(*ATTRIBUTES) + attr_accessor(:do_validate) + def initialize(*attrs) + @do_validate = true + ATTRIBUTES.each do |attr| + self.send("#{attr}=", nil) + end + vars = ATTRIBUTES.dup + vars.unshift(:do_validate) + attrs.each do |name, value| + if vars.include?(name.to_s) + self.send("#{name}=", value) + end + end + end + + def to_s + rv = "" + if @href + rv << %Q[<?xml-stylesheet] + ATTRIBUTES.each do |name| + if self.send(name) + rv << %Q[ #{name}="#{h self.send(name)}"] + end + end + rv << %Q[?>] + end + rv + end + + remove_method(:href=) + def href=(value) + @href = value + if @href and @type.nil? + @type = guess_type(@href) + end + @href + end + + remove_method(:alternate=) + def alternate=(value) + if value.nil? or /\A(?:yes|no)\z/ =~ value + @alternate = value + else + if @do_validate + args = ["?xml-stylesheet?", %Q[alternate="#{value}"]] + raise NotAvailableValueError.new(*args) + end + end + @alternate + end + + private + def guess_type(filename) + /\.([^.]+)/ =~ filename + GUESS_TABLE[$1] + end + + end +end |