Class: Haml::Exec::Haml
Overview
The haml executable.
Constant Summary
Instance Method Summary
- - (Haml) initialize(args) constructor A new instance of Haml.
- - process_result Processes the options set by the command-line arguments, and runs the Haml compiler appropriately.
- - set_opts(opts) Tells optparse how to parse the arguments.
Methods inherited from Generic
#color, #get_line, #parse, #parse!, #puts_action, #to_s
Constructor Details
- (Haml) initialize(args)
A new instance of Haml
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# File '/var/www/haml-pages/.haml/lib/haml/exec.rb', line 485
def initialize(args)
super
@name = "Haml"
@options[:requires] = []
@options[:load_paths] = []
end
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Instance Method Details
- process_result
Processes the options set by the command-line arguments, and runs the Haml compiler appropriately.
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# File '/var/www/haml-pages/.haml/lib/haml/exec.rb', line 541
def process_result
super
input = @options[:input]
output = @options[:output]
template = input.read()
input.close() if input.is_a? File
begin
engine = ::Haml::Engine.new(template, @options[:for_engine])
if @options[:check_syntax]
puts "Syntax OK"
return
end
@options[:load_paths].each {|p| $LOAD_PATH << p}
@options[:requires].each {|f| require f}
if @options[:debug]
puts engine.precompiled
puts '=' * 100
end
result = engine.to_html
rescue Exception => e
raise e if @options[:trace]
case e
when ::Haml::SyntaxError; raise "Syntax error on line #{get_line e}: #{e.message}"
when ::Haml::Error; raise "Haml error on line #{get_line e}: #{e.message}"
else raise "Exception on line #{get_line e}: #{e.message}\n Use --trace for backtrace."
end
end
output.write(result)
output.close() if output.is_a? File
end
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- set_opts(opts)
Tells optparse how to parse the arguments.
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# File '/var/www/haml-pages/.haml/lib/haml/exec.rb', line 495
def set_opts(opts)
super
opts.on('-t', '--style NAME',
'Output style. Can be indented (default) or ugly.') do |name|
@options[:for_engine][:ugly] = true if name.to_sym == :ugly
end
opts.on('-f', '--format NAME',
'Output format. Can be xhtml (default), html4, or html5.') do |name|
@options[:for_engine][:format] = name.to_sym
end
opts.on('-e', '--escape-html',
'Escape HTML characters (like ampersands and angle brackets) by default.') do
@options[:for_engine][:escape_html] = true
end
opts.on('-q', '--double-quote-attributes',
'Set attribute wrapper to double-quotes (default is single).') do
@options[:for_engine][:attr_wrapper] = '"'
end
opts.on('-r', '--require FILE', "Same as 'ruby -r'.") do |file|
@options[:requires] << file
end
opts.on('-I', '--load-path PATH', "Same as 'ruby -I'.") do |path|
@options[:load_paths] << path
end
unless ::Haml::Util.ruby1_8?
opts.on('-E ex[:in]', 'Specify the default external and internal character encodings.') do |encoding|
external, internal = encoding.split(':')
Encoding.default_external = external if external && !external.empty?
Encoding.default_internal = internal if internal && !internal.empty?
end
end
opts.on('--debug', "Print out the precompiled Ruby source.") do
@options[:debug] = true
end
end
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