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Contents
require 'processors/template_processor'
#Processes ERB templates using Erubis instead of erb.
class ErubisTemplateProcessor < TemplateProcessor
#s(:call, TARGET, :method, s(:arglist))
def process_call exp
target = exp[1]
if sexp? target
target = process target
end
method = exp[2]
#_buf is the default output variable for Erubis
if target and target[1] == :_buf
if method == :<<
args = exp[3][1] = process(exp[3][1])
if args.node_type == :call and args[2] == :to_s #just calling to_s on inner code
args = args[1]
end
if args.node_type == :str #ignore plain strings
ignore
else
s = Sexp.new :output, args
s.line(exp.line)
@current_template[:outputs] << s
s
end
elsif method == :to_s
ignore
else
abort "Unrecognized action on _buf: #{method}"
end
elsif target == nil and method == :render
exp[3] = process exp[3]
make_render exp
else
args = exp[3] = process(exp[3])
call = Sexp.new :call, target, method, args
call.line(exp.line)
call
end
end
#Process blocks, ignoring :ignore exps
def process_block exp
exp.shift
exp.map! do |e|
res = process e
if res.empty? or res == ignore
nil
else
res
end
end
block = Sexp.new(:rlist).concat(exp).compact
block.line(exp.line)
block
end
end
Version data entries
16 entries across 16 versions & 2 rubygems