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Versions: 222
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Stored size: 1.23 KB
Contents
# Base class for formatted textual dump of a "model"
#
class Puppet::Pops::Model::TreeDumper
attr_accessor :indent_count
def initialize initial_indentation = 0
@@dump_visitor ||= Puppet::Pops::Visitor.new(nil,"dump",0,0)
@indent_count = initial_indentation
end
def dump(o)
format(do_dump(o))
end
def do_dump(o)
@@dump_visitor.visit_this_0(self, o)
end
def indent
" " * indent_count
end
def format(x)
result = ""
parts = format_r(x)
parts.each_index do |i|
if i > 0
# separate with space unless previous ends with whitepsace or (
result << ' ' if parts[i] != ")" && parts[i-1] !~ /.*(?:\s+|\()$/ && parts[i] !~ /^\s+/
end
result << parts[i].to_s
end
result
end
def format_r(x)
result = []
case x
when :break
result << "\n" + indent
when :indent
@indent_count += 1
when :dedent
@indent_count -= 1
when Array
result << '('
result += x.collect {|a| format_r(a) }.flatten
result << ')'
when Symbol
result << x.to_s # Allows Symbols in arrays e.g. ["text", =>, "text"]
else
result << x
end
result
end
def is_nop? o
o.nil? || o.is_a?(Puppet::Pops::Model::Nop)
end
end
Version data entries
222 entries across 222 versions & 3 rubygems