Class Haml::Exec::Haml
In: lib/haml/exec.rb
Parent: HamlSass

The `haml` executable.

Methods

new   process_result   set_opts  

Public Class methods

new(args)

@param args [Array<String>] The command-line arguments

[Source]

     # File lib/haml/exec.rb, line 285
285:       def initialize(args)
286:         super
287:         @name = "Haml"
288:         @options[:requires] = []
289:         @options[:load_paths] = []
290:       end

Public Instance methods

process_result()

Processes the options set by the command-line arguments, and runs the Haml compiler appropriately.

[Source]

     # File lib/haml/exec.rb, line 328
328:       def process_result
329:         super
330:         input = @options[:input]
331:         output = @options[:output]
332: 
333:         template = input.read()
334:         input.close() if input.is_a? File
335: 
336:         begin
337:           engine = ::Haml::Engine.new(template, @options[:for_engine])
338:           if @options[:check_syntax]
339:             puts "Syntax OK"
340:             return
341:           end
342: 
343:           @options[:load_paths].each {|p| $LOAD_PATH << p}
344:           @options[:requires].each {|f| require f}
345: 
346:           if @options[:debug]
347:             puts engine.precompiled
348:             puts '=' * 100
349:           end
350: 
351:           result = engine.to_html
352:         rescue Exception => e
353:           raise e if @options[:trace]
354: 
355:           case e
356:           when ::Haml::SyntaxError; raise "Syntax error on line #{get_line e}: #{e.message}"
357:           when ::Haml::Error;       raise "Haml error on line #{get_line e}: #{e.message}"
358:           else raise "Exception on line #{get_line e}: #{e.message}\n  Use --trace for backtrace."
359:           end
360:         end
361: 
362:         output.write(result)
363:         output.close() if output.is_a? File
364:       end
set_opts(opts)

Tells optparse how to parse the arguments.

@param opts [OptionParser]

[Source]

     # File lib/haml/exec.rb, line 295
295:       def set_opts(opts)
296:         super
297: 
298:         opts.on('-t', '--style NAME',
299:                 'Output style. Can be indented (default) or ugly.') do |name|
300:           @options[:for_engine][:ugly] = true if name.to_sym == :ugly
301:         end
302: 
303:         opts.on('-f', '--format NAME',
304:                 'Output format. Can be xhtml (default), html4, or html5.') do |name|
305:           @options[:for_engine][:format] = name.to_sym
306:         end
307: 
308:         opts.on('-e', '--escape-html',
309:                 'Escape HTML characters (like ampersands and angle brackets) by default.') do
310:           @options[:for_engine][:escape_html] = true
311:         end
312: 
313:         opts.on('-r', '--require FILE', "Same as 'ruby -r'.") do |file|
314:           @options[:requires] << file
315:         end
316: 
317:         opts.on('-I', '--load-path PATH', "Same as 'ruby -I'.") do |path|
318:           @options[:load_paths] << path
319:         end
320: 
321:         opts.on('--debug', "Print out the precompiled Ruby source.") do
322:           @options[:debug] = true
323:         end
324:       end

[Validate]