#!/usr/local/bin/ruby

# Path to your Flex library installation.
FLEX_PATH   = '/Users/cantrell/lib/flex'

# Path to your ActionScript libraries.  The optional '$' represents the portion
# of the path which changes for each directory.  You can add multiple directories 
# by separating them with ':'. If you don't wnat to include a classpath, make
# this nil.
AS_LIB_PATH = '/Users/cantrell/Projects/adobe/labs/flashplatform/projects/$/trunk/src/actionscript3'

# Passing in the -t option will cause the log file specified below to be tailed
# after compilation.
TAIL_PATH = '/Users/cantrell/logs/flash.txt'

# Passing in the -o option will cause the compiled SWF to open in the application
# below.
OPEN_APP = 'firefox'

## End configuration ##

def usage
    puts "\nusage: mxmlc.rb [-htosc] [compiler flags] file\n\n"
    puts '-h: Help. Prints this help.'
    puts '-t: Tail. After compilation, tails the file specified by the TAIL_PATH variable.'
    puts '-o: Open. After compilation, opens the generated swf in the application specified by the OPEN_APP variable.'
    puts '-s: Show. Show the compilation command rather than actually running it. Good for debugging.'
    puts "-c: Clean. Remove cache files before compilation.\n\n"
    puts 'Note: Any additional arguments will be passed directly to the compiler.'
    puts "Note: The incremental flag is automatically included."
    puts "Note: Flags must be passed in individually like -o -t, not -ot.\n\n"
    exit
end

usage if ARGV.length < 1

# Start building the command.  Point to the jar.
command = "java -jar #{FLEX_PATH}/lib/mxmlc.jar"

# Point to the framework.
command << " -flexlib #{FLEX_PATH}/frameworks"

# Split up the AS_LIB_PATH variable.
if AS_LIB_PATH != nil
    command << " -actionscript-classpath"
    as_path_array = AS_LIB_PATH.split(':')
    as_path_array.each do |path|
        if path.count('$') != 0
            as_path_parts = path.split('$')
            as_path_start = as_path_parts[0]
            as_path_end   = as_path_parts[1]
            Dir.foreach(as_path_start) do |dir|
                # No files that start with dots.
                file_to_add = "#{as_path_start}#{dir}#{as_path_end}"
                unless dir =~ /^\./ || !File.exists?(file_to_add)
                    command << " #{file_to_add}"
                end
            end
        else
            command << " #{path}"
        end
    end
end

# Parse options. 
open, tail, show_command  = nil
ARGV.each do |arg|
    case arg 
        when '-h'
            usage
        when '-t'
            tail = 1
        when '-o'
            open = 1
        when '-s'
            show_command = 1
        when '-c'
            puts 'Removing cache files.'
            rmc = "rm #{ARGV.last.sub(/\.as|\.mxml/, '_')}*.cache"
            `#{rmc}`
        else
            command << " #{arg}" if arg != ARGV.last
    end
end

command << " -incremental #{ARGV.last}" 

if show_command
    puts command
else
    `#{command}`
end

`open -a #{OPEN_APP} #{ARGV.last.sub(/\.as|\.mxml/, '.swf')}` if open
exec("tail -f #{TAIL_PATH}") if tail