Class: CDNGet::Main
- Inherits:
-
Object
- Object
- CDNGet::Main
- Defined in:
- lib/cdnget.rb
Class Method Summary collapse
Instance Method Summary collapse
- #do_download_library(cdn_code, library, version, basedir) ⇒ Object
- #do_find_library(cdn_code, library) ⇒ Object
- #do_get_library(cdn_code, library, version) ⇒ Object
- #do_list_cdns ⇒ Object
- #do_list_libraries(cdn_code) ⇒ Object
- #do_search_libraries(cdn_code, pattern) ⇒ Object
- #find_cdn(cdn_code) ⇒ Object
- #help_message ⇒ Object
-
#initialize(script = nil) ⇒ Main
constructor
A new instance of Main.
- #parse_cmdopts(cmdargs, short_opts, long_opts) ⇒ Object
- #render_list(list) ⇒ Object
- #run(*args) ⇒ Object
- #validate(library, version) ⇒ Object
Constructor Details
#initialize(script = nil) ⇒ Main
Returns a new instance of Main.
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# File 'lib/cdnget.rb', line 324 def initialize(script=nil) @script = script || File.basename($0) end |
Class Method Details
.main(args = nil) ⇒ Object
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# File 'lib/cdnget.rb', line 349 def self.main(args=nil) args ||= ARGV s = self.new().run(*args) puts s if s exit 0 rescue CommandError => ex $stderr.puts ex. exit 1 end |
Instance Method Details
#do_download_library(cdn_code, library, version, basedir) ⇒ Object
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# File 'lib/cdnget.rb', line 509 def do_download_library(cdn_code, library, version, basedir) cdn = find_cdn(cdn_code) cdn.download(library, version, basedir, quiet: @quiet) return nil end |
#do_find_library(cdn_code, library) ⇒ Object
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# File 'lib/cdnget.rb', line 464 def do_find_library(cdn_code, library) cdn = find_cdn(cdn_code) d = cdn.find(library) s = "" if @quiet d[:versions].each do |ver| s << "#{ver}\n" end if d[:versions] else s << "name: #{d[:name]}\n" s << "desc: #{d[:desc]}\n" if d[:desc] s << "tags: #{d[:tags]}\n" if d[:tags] s << "site: #{d[:site]}\n" if d[:site] s << "snippet: |\n" << d[:snippet].gsub(/^/, ' ') if d[:snippet] s << "versions:\n" d[:versions].each do |ver| s << " - #{ver}\n" end if d[:versions] end return s end |
#do_get_library(cdn_code, library, version) ⇒ Object
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# File 'lib/cdnget.rb', line 486 def do_get_library(cdn_code, library, version) cdn = find_cdn(cdn_code) d = cdn.get(library, version) s = "" if @quiet d[:urls].each do |url| s << "#{url}\n" end if d[:urls] else s << "name: #{d[:name]}\n" s << "version: #{d[:version]}\n" s << "desc: #{d[:desc]}\n" if d[:desc] s << "tags: #{d[:tags]}\n" if d[:tags] s << "site: #{d[:site]}\n" if d[:site] s << "snippet: |\n" << d[:snippet].gsub(/^/, ' ') if d[:snippet] s << "urls:\n" if d[:urls] d[:urls].each do |url| s << " - #{url}\n" end if d[:urls] end return s end |
#do_list_cdns ⇒ Object
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# File 'lib/cdnget.rb', line 444 def do_list_cdns if @quiet return CLASSES.map {|c| "#{c::CODE}\n" }.join() else return CLASSES.map {|c| "%-10s # %s\n" % [c::CODE, c::SITE_URL] }.join() end end |
#do_list_libraries(cdn_code) ⇒ Object
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# File 'lib/cdnget.rb', line 452 def do_list_libraries(cdn_code) cdn = find_cdn(cdn_code) return render_list(cdn.list) end |
#do_search_libraries(cdn_code, pattern) ⇒ Object
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# File 'lib/cdnget.rb', line 457 def do_search_libraries(cdn_code, pattern) cdn = find_cdn(cdn_code) rexp_str = pattern.split('*', -1).collect {|x| Regexp.escape(x) }.join('.*') rexp = Regexp.compile("\\A#{rexp_str}\\z", Regexp::IGNORECASE) return render_list(cdn.list.select {|a| a[:name] =~ rexp }) end |
#find_cdn(cdn_code) ⇒ Object
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# File 'lib/cdnget.rb', line 430 def find_cdn(cdn_code) klass = CLASSES.find {|c| c::CODE == cdn_code } or raise CommandError.new("#{cdn_code}: no such CDN.") return klass.new end |
#help_message ⇒ Object
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# File 'lib/cdnget.rb', line 328 def script = @script return <<END #{script} -- download files from public CDN Usage: #{script} [options] [CDN] [library] [version] [directory] Options: -h, --help : help -v, --version : version -q, --quiet : minimal output Example: $ #{script} # list public CDN $ #{script} [-q] cdnjs # list libraries $ #{script} [-q] cdnjs jquery # list versions $ #{script} [-q] cdnjs jquery 2.2.0 # list files $ #{script} [-q] cdnjs jquery 2.2.0 /tmp # download files END end |
#parse_cmdopts(cmdargs, short_opts, long_opts) ⇒ Object
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# File 'lib/cdnget.rb', line 403 def parse_cmdopts(cmdargs, short_opts, long_opts) cmdopts = {} while cmdargs[0] && cmdargs[0].start_with?('-') cmdarg = cmdargs.shift if cmdarg == '--' break elsif cmdarg.start_with?('--') cmdarg =~ /\A--(\w[-\w]+)(=.*?)?/ or raise CommandError.new("#{cmdarg}: invalid command option.") name = $1 value = $2 ? $2[1..-1] : true long_opts.include?(name) or raise CommandError.new("#{cmdarg}: unknown command option.") cmdopts[name] = value elsif cmdarg.start_with?('-') cmdarg[1..-1].each_char do |c| short_opts.include?(c) or raise CommandError.new("-#{c}: unknown command option.") cmdopts[c] = true end else raise "unreachable" end end return cmdopts end |
#render_list(list) ⇒ Object
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# File 'lib/cdnget.rb', line 436 def render_list(list) if @quiet return list.collect {|d| "#{d[:name]}\n" }.join() else return list.collect {|d| "%-20s # %s\n" % [d[:name], d[:desc]] }.join() end end |
#run(*args) ⇒ Object
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# File 'lib/cdnget.rb', line 359 def run(*args) cmdopts = parse_cmdopts(args, "hvq", ["help", "version", "quiet"]) return () if cmdopts['h'] || cmdopts['help'] return RELEASE + "\n" if cmdopts['v'] || cmdopts['version'] @quiet = cmdopts['quiet'] || cmdopts['q'] # validate(args[1], args[2]) # case args.length when 0 return do_list_cdns() when 1 cdn_code = args[0] return do_list_libraries(cdn_code) when 2 cdn_code, library = args if library.include?('*') return do_search_libraries(cdn_code, library) else return do_find_library(cdn_code, library) end when 3 cdn_code, library, version = args return do_get_library(cdn_code, library, version) when 4 cdn_code, library, version, basedir = args do_download_library(cdn_code, library, version, basedir) return "" else raise CommandError.new("'#{args[4]}': Too many arguments.") end end |
#validate(library, version) ⇒ Object
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# File 'lib/cdnget.rb', line 392 def validate(library, version) if library && ! library.include?('*') library =~ /\A[-.\w]+\z/ or raise CommandError.new("#{library}: Unexpected library name.") end if version version =~ /\A[-.\w]+\z/ or raise CommandError.new("#{version}: Unexpected version number.") end end |