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Contents
module Rabbit
module Parser
module Ext
module BlockDiag
module_function
AVAILABLE_FLAG_OPTIONS = ["antialias"]
# "font" is treated as specially.
AVAILABLE_VALUE_OPTIONS = []
def make_image(path, prop, logger)
image_file = Tempfile.new("rabbit-image-blockdiag")
command = ["blockdiag",
"-T", "svg",
"-o", image_file.path]
font = find_font(prop)
command.concat(["-f", font]) if font
AVAILABLE_FLAG_OPTIONS.each do |name|
command << "--#{name}" if /\A(?:true|yes)\z/i =~ prop[name].to_s
end
AVAILABLE_VALUE_OPTIONS.each do |name|
command.concat(["--#{name}", prop[name]]) if prop.has_key?(name)
end
command << path
if SystemRunner.run(*command)
image_file
else
format = _("tried blockdiag command: %s")
additional_info = format % command.inspect
raise BlockDiagCanNotHandleError.new(command.join(' '),
additional_info)
end
end
def find_font(prop)
font = prop["font"]
return font if font and File.exist?(font)
fonts = prop["fonts"]
return nil if fonts.nil?
fonts = fonts.split(/\s*,\s*/) if fonts.is_a?(String)
fonts.find do |font|
File.exist?(font)
end
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems