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haml--haml
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Finally getting a good bit of stability to the hauss! 

git-svn-id: svn://hamptoncatlin.com/haml/trunk@6 7063305b-7217-0410-af8c-cdc13e5119b9
This commit is contained in:
hcatlin 2006-07-19 22:23:01 +00:00
parent 20bc1c314d
commit 60b2298346
1 changed files with 44 additions and 14 deletions
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46
lib/haml.rb
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@ -15,6 +15,10 @@ module HAML
@result = ""
@to_close_queue = []
locals.each do |variable_name, value|
@base.instance_eval "@" + variable_name.to_s + " = value"
end
#main loop handling line reading
#and interpretation
template.each_line do |line|
@ -22,8 +26,9 @@ module HAML
@result << %|<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">\n|
else
count, line = count_levels(line)
#puts count.to_s + "::" + line
if count <= @to_close_queue.size && @to_close_queue.size > 0
close_tag
(@to_close_queue.size - count).times { close_tag }
end
case line.first
when '.', '#'
@ -55,13 +60,24 @@ module HAML
end
def open_tag(name, attributes = {})
attribute_array = attributes.collect do |attr_name, val|
attr_name.to_s + "='" + val + "'"
end
add "<#{name.to_s}#{attribute_array.empty? ? "" : " "}#{attribute_array.join(" ")}>"
add "<#{name.to_s}#{build_attributes(attributes)}>"
@to_close_queue.push(name)
end
def one_line_tag(name, value, attributes = {})
add "<#{name.to_s}#{build_attributes(attributes)}>#{value}</#{name.to_s}>"
end
#used to create single line tags... aka <hello />
def atomic_tag(name, attributes = {})
add "<#{name.to_s}#{build_attributes(attributes)} />"
end
def build_attributes(attributes = {})
return "" if attributes.empty?
" " + (attributes.collect { |attr_name, val| attr_name.to_s + "='" + val + "'" }).join(" ")
end
def close_tag
add "</#{name = @to_close_queue.pop}>"
end
@ -75,10 +91,22 @@ module HAML
end
def render_tag(line)
line.scan(/[%]([-_a-z1-9]+)([-_a-z.\#]*)([=]?)([^\n]*)/).each do |tag_name, attributes, action, value|
line.scan(/[%]([-_a-z1-9]+)([-_a-z\.\#]*)([=\/]?)([^\n]*)/).each do |tag_name, attributes, action, value|
val = template_eval(value)
attribute_hash = parse_attributes(attributes)
attribute_hash.merge!(val) && val = nil if val.class == Hash
if val.class == Hash
attribute_hash.merge!(val) && val = nil
elsif !val.nil?
val = val.to_s
end
#check to see if we're a one liner
if(action == "\/")
atomic_tag(tag_name, attribute_hash)
else
if(!val.nil? && ((val.length < 50) || val.scan(/\n/).empty?))
one_line_tag(tag_name, val, attribute_hash)
else
open_tag(tag_name, attribute_hash)
if(action == '=')
@ -87,6 +115,8 @@ module HAML
end
end
end
end
end
def template_eval(code)
@base.instance_eval(code)
@ -106,7 +136,7 @@ module HAML
end
def count_levels(line)
[line.index(/[^ ]/), line.strip]
[line.index(/[^ ]/)/2, line.strip]
end
end