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require 'compass/commands/project_base'
require 'compass/commands/update_project'
module Compass
module Commands
module StatsOptionsParser
def set_options(opts)
opts.banner = %Q{
Usage: compass stats [path/to/project] [options]
Description:
Compile project at the path specified (or the current
directory if not specified) and then compute statistics
for the sass and css files in the project.
Options:
}.strip.split("\n").map{|l| l.gsub(/^ {0,10}/,'')}.join("\n")
super
end
end
class ProjectStats < UpdateProject
register :stats
def initialize(working_path, options)
super
assert_project_directory_exists!
end
def perform
super
require 'compass/stats'
compiler = new_compiler_instance
sass_files = sorted_sass_files(compiler)
total_label = "Total (#{sass_files.size} files):"
rows = [[ :-, :-, :-, :-, :-, :-, :-, :-, :- ],
[ 'Filename', 'Rules', 'Properties', 'Mixins Defs', 'Mixins Used', 'Filesize', 'CSS Selectors', 'CSS Properties', 'CSS Filesize' ],
[ :-, :-, :-, :-, :-, :-, :-, :-, :- ]]
maximums = [ total_label.length, 5, 10, 14, 11, 13, 13, 14, 14 ]
alignments = [ :left, :right, :right, :right, :right, :right, :right, :right, :right ]
delimiters = [ ['| ', ' |'], [' ', ' |'], [' ', ' |'], [' ', ' |'], [' ', ' |'], [' ', ' |'], [' ', ' |'], [' ', ' |'], [' ', ' |'] ]
formatters = [ nil, nil, nil, nil, nil, :kb, nil, nil, :kb ]
totals = [ total_label, 0, 0, 0, 0, 0, 0, 0, 0 ]
columns = rows.first.size
sass_files.each do |sass_file|
css_file = compiler.corresponding_css_file(sass_file) unless sass_file[0..0] == '_'
row = filename_columns(sass_file)
row += sass_columns(sass_file)
row += css_columns(css_file)
row.each_with_index do |c, i|
maximums[i] = [maximums[i].to_i, c.size].max
totals[i] = totals[i] + c.to_i if i > 0
end
rows << row
end
rows << [:-] * columns
rows << totals.map{|t| t.to_s}
rows << [:-] * columns
rows.each do |row|
row.each_with_index do |col, i|
print pad(col, maximums[i], :align => alignments[i], :left => delimiters[i].first, :right => delimiters[i].last, :formatter => formatters[i])
end
print "\n"
end
if @missing_css_parser
puts "\nInstall #{@missing_css_parser} to enable stats on your css files:\n\n\tgem install #{@missing_css_parser}"
end
end
def pad(c, max, options = {})
options[:align] ||= :left
if c == :-
filler = '-'
c = ''
else
filler = ' '
end
c = send(:"format_#{options[:formatter]}", c) if options[:formatter]
spaces = max - c.size
filled = filler * [spaces,0].max
"#{options[:left]}#{filled if options[:align] == :right}#{c}#{filled if options[:align] == :left}#{options[:right]}"
end
def format_kb(v)
return v unless v =~ /^\d+$/
v = Integer(v)
if v < 1024
"#{v} B"
else
v = v / 1024.0
"#{v.ceil} KB"
end
end
def sorted_sass_files(compiler)
sass_files = compiler.sass_files
sass_files.map! do |s|
filename = Compass.deprojectize(s, File.join(Compass.configuration.project_path, Compass.configuration.sass_dir))
[s, File.dirname(filename), File.basename(filename)]
end
sass_files = sass_files.sort_by do |s,d,f|
File.join(d, f[0] == ?_ ? f[1..-1] : f)
end
sass_files.map!{|s,d,f| s}
end
def filename_columns(sass_file)
filename = Compass.deprojectize(sass_file, working_path)
[filename]
end
def sass_columns(sass_file)
sf = Compass::Stats::SassFile.new(sass_file)
sf.analyze!
%w(rule_count prop_count mixin_def_count mixin_count file_size).map do |t|
sf.send(t).to_s
end
end
def css_columns(css_file)
if File.exists?(css_file)
cf = Compass::Stats::CssFile.new(css_file)
cf.analyze!
%w(selector_count prop_count file_size).map do |t|
cf.send(t).to_s
end
else
return [ '--', '--' , '--']
end
rescue LoadError => e
@missing_css_parser = e.message =~ /iconv/ ? "iconv" : "css_parser"
return [ 'DISABLED', 'DISABLED', 'DISABLED' ]
end
class << self
def option_parser(arguments)
parser = Compass::Exec::CommandOptionParser.new(arguments)
parser.extend(Compass::Exec::GlobalOptionsParser)
parser.extend(Compass::Exec::ProjectOptionsParser)
parser.extend(StatsOptionsParser)
end
def usage
option_parser([]).to_s
end
def description(command)
"Report statistics about your stylesheets"
end
def primary; false; end
def parse!(arguments)
parser = option_parser(arguments)
parser.parse!
parse_arguments!(parser, arguments)
parser.options
end
def parse_arguments!(parser, arguments)
if arguments.size == 1
parser.options[:project_name] = arguments.shift
elsif arguments.size == 0
# default to the current directory.
else
raise Compass::Error, "Too many arguments were specified."
end
end
end
end
end
end
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