@see Hpricot @private
# File lib/haml/html.rb, line 250
250: def to_haml(tabs, options)
251: return "" if converted_to_haml
252: if name == "script" &&
253: (attr_hash['type'].nil? || attr_hash['type'] == "text/javascript") &&
254: (attr_hash.keys - ['type']).empty?
255: return to_haml_filter(:javascript, tabs, options)
256: elsif name == "style" &&
257: (attr_hash['type'].nil? || attr_hash['type'] == "text/css") &&
258: (attr_hash.keys - ['type']).empty?
259: return to_haml_filter(:css, tabs, options)
260: end
261:
262: output = tabulate(tabs)
263: if options[:erb] && name[0...5] == 'haml:'
264: case name[5..1]
265: when "loud"
266: lines = CGI.unescapeHTML(inner_text).split("\n").
267: map {|s| s.rstrip}.reject {|s| s.strip.empty?}
268: lines.first.gsub!(/^[ \t]*/, "= ")
269:
270: if lines.size > 1 # Multiline script block
271: # Normalize the indentation so that the last line is the base
272: indent_str = lines.last[/^[ \t]*/]
273: indent_re = /^[ \t]{0,#{indent_str.count(" ") + 8 * indent_str.count("\t")}}/
274: lines.map! {|s| s.gsub!(indent_re, '')}
275:
276: # Add an extra " " to make it indented relative to "= "
277: lines[1..1].each {|s| s.gsub!(/^/, " ")}
278:
279: # Add | at the end, properly aligned
280: length = lines.map {|s| s.size}.max + 1
281: lines.map! {|s| "%#{-length}s|" % s}
282:
283: if next_sibling && next_sibling.is_a?(Hpricot::Elem) && next_sibling.name == "haml:loud" &&
284: next_sibling.inner_text.split("\n").reject {|s| s.strip.empty?}.size > 1
285: lines << "-#"
286: end
287: end
288: return lines.map {|s| output + s + "\n"}.join
289: when "silent"
290: return CGI.unescapeHTML(inner_text).split("\n").map do |line|
291: next "" if line.strip.empty?
292: "#{output}- #{line.strip}\n"
293: end.join
294: when "block"
295: return render_children("", tabs, options)
296: end
297: end
298:
299: if self.next && self.next.text? && self.next.content =~ /\A[^\s]/
300: if self.previous.nil? || self.previous.text? &&
301: (self.previous.content =~ /[^\s]\Z/ ||
302: self.previous.content =~ /\A\s*\Z/ && self.previous.previous.nil?)
303: nuke_outer_whitespace = true
304: else
305: output << "= succeed #{self.next.content.slice!(/\A[^\s]+/).dump} do\n"
306: tabs += 1
307: output << tabulate(tabs)
308: end
309: end
310:
311: output << "%#{name}" unless name == 'div' &&
312: (static_id?(options) ||
313: static_classname?(options) &&
314: attr_hash['class'].split(' ').any?(&method(:haml_css_attr?)))
315:
316: if attr_hash
317: if static_id?(options)
318: output << "##{attr_hash['id']}"
319: remove_attribute('id')
320: end
321: if static_classname?(options)
322: leftover = attr_hash['class'].split(' ').reject do |c|
323: next unless haml_css_attr?(c)
324: output << ".#{c}"
325: end
326: remove_attribute('class')
327: set_attribute('class', leftover.join(' ')) unless leftover.empty?
328: end
329: output << haml_attributes(options) if attr_hash.length > 0
330: end
331:
332: output << ">" if nuke_outer_whitespace
333: output << "/" if empty? && !etag
334:
335: if children && children.size == 1
336: child = children.first
337: if child.is_a?(::Hpricot::Text)
338: if !child.to_s.include?("\n")
339: text = child.to_haml(tabs + 1, options)
340: return output + " " + text.lstrip.gsub(/^\\/, '') unless text.chomp.include?("\n")
341: return output + "\n" + text
342: elsif ["pre", "textarea"].include?(name) ||
343: (name == "code" && parent.is_a?(::Hpricot::Elem) && parent.name == "pre")
344: return output + "\n#{tabulate(tabs + 1)}:preserve\n" +
345: innerText.gsub(/^/, tabulate(tabs + 2))
346: end
347: elsif child.is_a?(::Hpricot::Elem) && child.name == "haml:loud"
348: return output + child.to_haml(tabs + 1, options).lstrip
349: end
350: end
351:
352: render_children(output + "\n", tabs, options)
353: end
# File lib/haml/html.rb, line 400
400: def dynamic_attribute?(name, options)
401: options[:erb] and dynamic_attributes.key?(name)
402: end
# File lib/haml/html.rb, line 363
363: def dynamic_attributes
364: @dynamic_attributes ||= begin
365: Haml::Util.map_hash(attr_hash) do |name, value|
366: next if value.empty?
367: full_match = nil
368: ruby_value = value.gsub(%{<haml:loud>\s*(.+?)\s*</haml:loud>}) do
369: full_match = $`.empty? && $'.empty?
370: CGI.unescapeHTML(full_match ? $1: "\#{#{$1}}")
371: end
372: next if ruby_value == value
373: [name, full_match ? ruby_value : %("#{ruby_value}")]
374: end
375: end
376: end
Returns a string representation of an attributes hash that’s prettier than that produced by Hash#inspect
# File lib/haml/html.rb, line 418
418: def haml_attributes(options)
419: attrs = attr_hash.sort.map do |name, value|
420: value = dynamic_attribute?(name, options) ? dynamic_attributes[name] : value.inspect
421: name = name.index(/\W/) ? name.inspect : ":#{name}"
422: "#{name} => #{value}"
423: end
424: "{#{attrs.join(', ')}}"
425: end
# File lib/haml/html.rb, line 412
412: def haml_css_attr?(attr)
413: attr =~ /^[-:\w]+$/
414: end
# File lib/haml/html.rb, line 357
357: def render_children(so_far, tabs, options)
358: (self.children || []).inject(so_far) do |output, child|
359: output + child.to_haml(tabs + 1, options)
360: end
361: end
# File lib/haml/html.rb, line 396
396: def static_attribute?(name, options)
397: attr_hash[name] && !dynamic_attribute?(name, options)
398: end
# File lib/haml/html.rb, line 408
408: def static_classname?(options)
409: static_attribute?('class', options)
410: end
# File lib/haml/html.rb, line 404
404: def static_id?(options)
405: static_attribute?('id', options) && haml_css_attr?(attr_hash['id'])
406: end
# File lib/haml/html.rb, line 378
378: def to_haml_filter(filter, tabs, options)
379: content =
380: if children.first.is_a?(::Hpricot::CData)
381: children.first.content
382: else
383: CGI.unescapeHTML(self.innerText)
384: end
385:
386: content = erb_to_interpolation(content, options)
387: content.gsub!(/\A\s*\n(\s*)/, '\1')
388: original_indent = content[/\A(\s*)/, 1]
389: if content.split("\n").all? {|l| l.strip.empty? || l =~ /^#{original_indent}/}
390: content.gsub!(/^#{original_indent}/, tabulate(tabs + 1))
391: end
392:
393: "#{tabulate(tabs)}:#{filter}\n#{content}"
394: end
Disabled; run with --debug to generate this.
Generated with the Darkfish Rdoc Generator 1.1.6.