Module: Spider::ContentUtils

Defined in:
lib/spiderfw/content_utils.rb

Class Method Summary collapse

Class Method Details

.combine_js(path, combined_file) ⇒ Object 



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# File 'lib/spiderfw/content_utils.rb', line 63

def self.combine_js(path, combined_file)
    combined = open(combined_file, 'w')
    Find.find(path) do |path|
        next if File.directory?(path)
        next if File.basename(path)[0].chr == '.'
        if File.extname(path) == '.js'
            p "ADDING #{path}"
            js = IO.read(path)
            combined.write(js+"\n")                    
        end
    end
    combined.close
end

.compress(*apps) ⇒ Object 



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# File 'lib/spiderfw/content_utils.rb', line 20

def self.compress(*apps)
    require 'yui/compressor'
    apps = Spider.apps.keys if apps.empty?
    apps.each do |app_name|
        app = Spider.apps[app_name]
        raise "Can't find app #{app_name}" unless app
        next unless File.directory?(app.pub_path)
        pub_path = nil
        if Spider.conf.get('static_content.mode') == 'publish'
            pub_path = Spider::HomeController.app_pub_path(app)
        else
            pub_path = app.pub_path
        end
        tmp_combined = Spider.paths[:tmp]+'/_combined.js'
        combined = pub_path+'/.'+app.short_name+'.js'
        combine_js(pub_path, tmp_combined)
        recompress = true
        recompress = false if File.exists?(combined) && md5sum(combined) == md5sum(tmp_combined)
        File.cp(tmp_combined, combined)
        File.rm(tmp_combined)
        next unless recompress
        version = 0
        curr = Dir.glob(pub_path+'/'+app.short_name+'.*.js')
        unless curr.empty?
            curr.each do |f|
                name = File.basename(f)
                if name =~ /(\d+)\.js$/
                    version = $1 if $1 > version
                    File.unlink(f)
                end
            end
        end
        version += 1
        dest = "#{pub_path}/#{app.short_name}.#{version}.js"
        compressor = YUI::JavaScriptCompressor.new("charset" => "UTF-8")
        io = open(combined, 'r')
        res = compressor.compress(io)
        open(dest, 'w') do |f|
            f << res
        end
    end
end

.md5sum(file) ⇒ Object 



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# File 'lib/spiderfw/content_utils.rb', line 77

def self.md5sum(file)
    Digest::MD5.hexdigest(File.read(file))
end

.publish ⇒ Object 



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# File 'lib/spiderfw/content_utils.rb', line 8

def self.publish
    Spider.apps.each do |name, app|
        next unless File.directory?(app.pub_path)
        dest = Spider::HomeController.app_pub_path(app)
        FileUtils.mkdir_p(dest)
        Dir.new(app.pub_path).each do |file|
            next if file[0].chr == '.'
            FileUtils.cp_r("#{app.pub_path}/#{file}", "#{dest}/#{file}")
        end
    end
end

.resolve_css_includes(file) ⇒ Object 



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# File 'lib/spiderfw/content_utils.rb', line 81

def self.resolve_css_includes(file)
    files = [file]
    includes_regexp = /^\s*@import(?:\surl\(|\s)(['"]?)([^\?'"\)\s]+)(\?(?:[^'"\)]*))?\1\)?(?:[^?;]*);?/im
    content_regexp = /\/*|^[\.\#a-zA-Z\:]/
    dir = File.dirname(file)
    IO.foreach(file) do |line|
        catch(:done) do
            throw :done if line =~ content_regexp
            if line =~ includes_regexp
                absolute = nil
                if ($2[0].chr == '/')
                    absolute = $2
                else
                    absolute = File.expand_path(File.join(dir, $2))
                end
                files += resolve_css_includes(absolute)
            end
        end
    end
    files
end