1.4.2 /2012-04-12

• 对此gem进行了修改.

0.4.1 / 2011-12-08

• Catch OpenSSL::SSL::SSLError exceptions when initiated HTTPS Sessions.

0.4.0 / 2011-08-07

• Added Spidr::Headers#content_charset.
• Pass the Page url and content_charset to Nokogiri in Spidr::Body#doc. This ensures that Nokogiri will preserve the body encoding.
• Made Spidr::Headers#is_content_type? public.
• Allow Spidr::Headers#is_content_type? to match the full Content-Type or the sub-type.

0.3.2 / 2011-06-20

• Added separate intitialize methods for Spidr::Actions, Spidr::Events, Spidr::Filters and Spidr::Sanitizers.
• Aliased Spidr::Events#urls_like to Spidr::Events#every_url_like.
• Reduce usage of self.included and module_eval.
• Reduce usage of nested-blocks.
• Reduce usage of return.

0.3.1 / 2011-04-22

• Require set in spidr/headers.rb.

0.3.0 / 2011-04-14

• Switched from Jeweler to Ore.
• Split all header related methods out of Spidr::Page and into Spidr::Headers.
• Split all body related methods out of Spidr::Page and into Spidr::Body.
• Split all link related methods out of Spidr::Page and into Spidr::Links.
• Added Spidr::Headers#directory?.
• Added Spidr::Headers#json?.
• Added Spidr::Links#each_url.
• Added Spidr::Links#each_link.
• Added Spidr::Links#each_redirect.
• Added Spidr::Links#each_meta_redirect.
• Aliased Spidr::Headers#raw_cookie to Spidr::Headers#cookie.
• Aliased Spidr::Body#to_s to Spidr::Body#body.
• Also check for application/xml in Spidr::Headers#xml?.
• Catch all exceptions when merging URIs in Spidr::Links#to_absolute.
• Always prepend a / to all FTP URI paths. Fixes a Ruby 1.8 specific bug, where it expects an absolute path for all FTP URIs.
• Refactored URI.expand_path.
• Start the session in Spidr::SessionCache#[] to prevent multiple CONNECT commands being sent to HTTP Proxies (thanks falaise).

0.2.7 / 2010-08-17

• Added Spidr::CookieJar#cookies_for_host (thanks zapnap).
• Renamed Spidr::Page#cookie to Spidr::Page#raw_cookie.
• Rescue URI::InvalidComponentError exceptions in Spidr::Page#to_absolute (thanks zapnap).

0.2.6 / 2010-07-05

• Fixed a bug in Spidr::Page#meta_redirect, by calling Nokogiri::XML::Element#get_attribute instead of attr.

0.2.5 / 2010-07-02

• Added Spidr::Page#meta_redirect.
• Added Spidr::Page#meta_redirect?.
• Manage development dependencies with Bundler.
• Support following "old-school" meta-refresh redirects (thanks zapnap).
• Allow Spidr::CookieJar inherit cookies set by a parent domain.
• Fixed a constant lookup issue in Spidr::Agent.
• Use yield instead of block.call when necessary.

0.2.4 / 2010-05-05

• Added Spidr::Filters#visit_urls.
• Added Spidr::Filters#visit_urls_like.
• Added Spidr::Filters#ignore_urls.
• Added Spidr::Filters#ignore_urls_like.
• Added Spidr::Page#is_content_type?.
• Default Spidr::Page#body to an empty String.
• Default Spidr::Page#content_type to an empty String.
• Default Spidr::Page#content_types to an empty Array.
• Improved reliability of Spidr::Page#is_redirect?.
• Improved content type detection in Spidr::Page to handle Content-Type headers containing charsets (thanks Josh Lindsey).

0.2.3 / 2010-02-27

• Migrated to Jeweler, for the packaging and releasing RubyGems.
• Switched to MarkDown formatted YARD documentation.
• Added Spidr::Events#every_link.
• Added Spidr::SessionCache#active?.
• Added specs for Spidr::SessionCache.

0.2.2 / 2010-01-06

• Require Web Spider Obstacle Course (WSOC) >= 0.1.1.
• Integrated the new WSOC into the specs.
• Removed the built-in Web Spider Obstacle Course.
• Added Spidr::Page#content_types.
• Added Spidr::Page#cookie.
• Added Spidr::Page#cookies.
• Added Spidr::Page#cookie_params.
• Added Spidr::Sanitizers.
• Added Spidr::SessionCache.
• Added Spidr::CookieJar (thanks Nick Plante).
• Added Spidr::AuthStore (thanks Nick Plante).
• Added Spidr::Agent#post_page (thanks Nick Plante).
• Renamed Spidr::Agent#get_session to Spidr::SessionCache#[].
• Renamed Spidr::Agent#kill_session to Spidr::SessionCache#kill!.

0.2.1 / 2009-11-25

• Added Spidr::Events#every_ok_page.
• Added Spidr::Events#every_redirect_page.
• Added Spidr::Events#every_timedout_page.
• Added Spidr::Events#every_bad_request_page.
• Added Spidr::Events#every_unauthorized_page.
• Added Spidr::Events#every_forbidden_page.
• Added Spidr::Events#every_missing_page.
• Added Spidr::Events#every_internal_server_error_page.
• Added Spidr::Events#every_txt_page.
• Added Spidr::Events#every_html_page.
• Added Spidr::Events#every_xml_page.
• Added Spidr::Events#every_xsl_page.
• Added Spidr::Events#every_doc.
• Added Spidr::Events#every_html_doc.
• Added Spidr::Events#every_xml_doc.
• Added Spidr::Events#every_xsl_doc.
• Added Spidr::Events#every_rss_doc.
• Added Spidr::Events#every_atom_doc.
• Added Spidr::Events#every_javascript_page.
• Added Spidr::Events#every_css_page.
• Added Spidr::Events#every_rss_page.
• Added Spidr::Events#every_atom_page.
• Added Spidr::Events#every_ms_word_page.
• Added Spidr::Events#every_pdf_page.
• Added Spidr::Events#every_zip_page.
• Fixed a bug where Spidr::Agent#delay was not being used to delay requesting pages.
• Spider link and script tags in HTML pages (thanks Nick Plante).

0.2.0 / 2009-10-10

• Added URI.expand_path.
• Added Spidr::Page#search.
• Added Spidr::Page#at.
• Added Spidr::Page#title.
• Added Spidr::Agent#failures=.
• Added a HTTP session cache to Spidr::Agent, per suggestion of falter.
  • Added Spidr::Agent#get_session.
  • Added Spidr::Agent#kill_session.
• Added Spidr.proxy=.
• Added Spidr.disable_proxy!.
• Aliased Spidr::Page#txt? to Spidr::Page#plain_text?.
• Aliased Spidr::Page#ok? to Spidr::Page#is_ok?.
• Aliased Spidr::Page#redirect? to Spidr::Page#is_redirect?.
• Aliased Spidr::Page#unauthorized? to Spidr::Page#is_unauthorized?.
• Aliased Spidr::Page#forbidden? to Spidr::Page#is_forbidden?.
• Aliased Spidr::Page#missing? to Spidr::Page#is_missing?.
• Split URL filtering code out of Spidr::Agent and into Spidr::Filters.
• Split URL / Page event code out of Spidr::Agent and into Spidr::Events.
• Split pause! / continue! / skip_link! / skip_page! methods out of Spidr::Agent and into Spidr::Actions.
• Fixed a bug in Spidr::Page#code, where it was not returning an Integer.
• Make sure Spidr::Page#doc returns Nokogiri::XML::Document objects for RSS/RDF/Atom pages as well.
• Fixed the handling of the Location header in Spidr::Page#links (thanks falter).
• Fixed a bug in Spidr::Page#to_absolute where trailing / characters on URI paths were not being preserved (thanks falter).
• Fixed a bug where the URI query was not being sent with the request in Spidr::Agent#get_page (thanks Damian Steer).
• Fixed a bug where SSL sessions were not being properly setup (thanks falter).
• Switched Spidr::Agent#history to be a Set, to improve search-time of the history (thanks falter).
• Switched Spidr::Agent#failures to a Set.
• Allow a block to be passed to Spidr::Agent#run, which will receive all pages visited.
• Allow Spidr::Agent#start_at and Spidr::Agent#continue! to pass blocks to Spidr::Agent#run.
• Made Spidr::Agent#visit_page public.
• Moved to YARD based documentation.

0.1.9 / 2009-06-13

• Upgraded to Hoe 2.0.0.
  • Use Hoe.spec instead of Hoe.new.
  • Use the Hoe signing task for signed gems.
• Added the Spidr::Agent#schemes and Spidr::Agent#schemes= methods.
• Added a warning message if 'net/https' cannot be loaded.
• Allow the list of acceptable URL schemes to be passed into Spidr::Agent#initialize.
• Allow history and queue information to be passed into Spidr::Agent#initialize.
• Spidr::Agent#start_at no longer clears the history or the queue.
• Fixed a bug in the sanitization of semi-escaped URLs.
• Fixed a bug where https URLs would be followed even if 'net/https' could not be loaded.
• Removed Spidr::Agent::SCHEMES.

0.1.8 / 2009-05-27

• Added the Spidr::Agent#pause! and Spidr::Agent#continue! methods.
• Added the Spidr::Agent#running? and Spidr::Agent#paused? methods.
• Added an alias for pending_urls to the queue methods.
• Added Spidr::Agent#queue to provide read access to the queue.
• Added Spidr::Agent#queue= and Spidr::Agent#history= for setting the queue and history.
• Added Spidr::Agent#to_hash which returns a Hash of the agents queue and history.
• Made Spidr::Agent#enqueue and Spidr::Agent#queued? public.
• Added more specs.

0.1.7 / 2009-04-24

• Added Spidr::Agent#all_headers.
• Fixed a bug where Spidr::Page#headers was always nil.
• Spidr::Agent will now follow the Location header in HTTP 300, 301, 302, 303 and 307 Redirects.
• Spidr::Agent will now follow iframe and frame tags.

0.1.6 / 2009-04-14

• Added Spidr::Agent#failures, a list of URLs which could not be visited.
• Added Spidr::Agent#failed?.
• Added Spidr::Agent#every_failed_url.
• Added Spidr::Agent#clear, which clears the history and failures URL lists.
• Improved fault tolerance in Spidr::Agent#get_page.
  • If a Network or HTTP error is encountered, the URL will be added to the failures list and the next URL will be visited.
• Fixed a typo in Spidr::Agent#ignore_exts_like.
• Updated the Web Spider Obstacle Course with links that always fail to be visited.

0.1.5 / 2009-03-22

• Catch malformed URIs in Spidr::Page#to_absolute and return nil.
• Filter out nil URIs in Spidr::Page#urls.

0.1.4 / 2009-01-15

• Use Nokogiri for HTML and XML parsing.

0.1.3 / 2009-01-10

• Added the :host options to Spidr::Agent#initialize.
• Added the Web Spider Obstacle Course files to the Manifest.
• Aliased Spidr::Agent#visited_urls to Spidr::Agent#history.

0.1.2 / 2008-11-06

• Fixed a bug in Spidr::Page#to_absolute where URLs with no path were not receiving a default path of /.
• Fixed a bug in Spidr::Page#to_absolute where URL paths were not being expanded, in order to remove .. and . directories.
• Fixed a bug where absolute URLs could have a blank path, thus causing Spidr::Agent#get_page to crash when it performed the HTTP request.
• Added RSpec spec tests.
• Created a Web-Spider Obstacle Course (http://spidr.rubyforge.org/course/start.html) which is used in the spec tests.

0.1.1 / 2008-10-04

• Added a reader method for the response instance variable in Page.
• Fixed a bug in Spidr::Page#method_missing.

0.1.0 / 2008-05-23

• Initial release.
  • Black-list or white-list URLs based upon:
  • Host name
  • Port number
  • Full link
  • URL extension
  • Provides call-backs for:
  • Every visited Page.
  • Every visited URL.
  • Every visited URL that matches a specified pattern.