Class: Spidy::CommandLine
- Inherits:
-
Object
- Object
- Spidy::CommandLine
- Defined in:
- lib/spidy/command_line.rb
Overview
spidy shell interface
Instance Method Summary collapse
- #build(name) ⇒ Object
- #build_ruby(name) ⇒ Object
- #build_shell(name) ⇒ Object
- #call(name) ⇒ Object
- #call_stdin_lines(name) ⇒ Object
- #each(name) ⇒ Object
- #each_stdin_lines(name) ⇒ Object
- #function ⇒ Object
-
#initialize(definition_file) ⇒ CommandLine
constructor
A new instance of CommandLine.
Constructor Details
#initialize(definition_file) ⇒ CommandLine
Returns a new instance of CommandLine.
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# File 'lib/spidy/command_line.rb', line 11 def initialize(definition_file) @definition_file = definition_file raise 'unloaded spidy' if definition_file.spidy.nil? end |
Instance Method Details
#build(name) ⇒ Object
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# File 'lib/spidy/command_line.rb', line 61 def build(name) build_shell(name) build_ruby(name) end |
#build_ruby(name) ⇒ Object
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# File 'lib/spidy/command_line.rb', line 76 def build_ruby(name) File.open("#{name}.rb", 'w') do |f| f.write <<~RUBY # frozen_string_literal: true Spidy.define do spider(:example) do |yielder, connector| # connector.call(url) do |resource| # yielder.call(url or resource) # end end define(:example) do end end RUBY end end |
#build_shell(name) ⇒ Object
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# File 'lib/spidy/command_line.rb', line 66 def build_shell(name) File.open("#{name}.sh", 'w') do |f| f.write <<~SHELL #!/bin/bash eval "$(spidy $(dirname "${0}")/#{name}.rb shell)" spider example SHELL end end |
#call(name) ⇒ Object
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# File 'lib/spidy/command_line.rb', line 36 def call(name) return call_stdin_lines(name) if FileTest.pipe?(STDIN) spidy.call(name: name, &output) unless FileTest.pipe?(STDIN) rescue => e error_handler.call(e, nil) end |
#call_stdin_lines(name) ⇒ Object
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# File 'lib/spidy/command_line.rb', line 26 def call_stdin_lines(name) STDIN.each_line do |url| begin spidy.call(url.strip, name: name, &output) rescue => e error_handler.call(e, url) end end end |
#each(name) ⇒ Object
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# File 'lib/spidy/command_line.rb', line 43 def each(name) return each_stdin_lines(name) if FileTest.pipe?(STDIN) spidy.each(name: name, &output) rescue => e error_handler.call(e, nil) end |
#each_stdin_lines(name) ⇒ Object
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# File 'lib/spidy/command_line.rb', line 16 def each_stdin_lines(name) STDIN.each_line do |url| begin spidy.each(url.strip, name: name, &output) rescue => e error_handler.call(e, url) end end end |
#function ⇒ Object
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# File 'lib/spidy/command_line.rb', line 50 def function print <<~SHELL function spider() { spidy spider #{definition_file.path} $1 } function scraper() { spidy call #{definition_file.path} $1 } SHELL end |