First commit

Author: peterc

.gitignore

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+pkg/*
+*.gem
+.bundle

Gemfile

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+source "http://rubygems.org"
+
+# Specify your gem's dependencies in webloc.gemspec
+gemspec

README.md

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+# webloc
+
+*webloc* is a Ruby library that can read from and write to <tt>.webloc</tt> files as used on OS X.
+
+It works on both Ruby 1.9.2 and 1.8.7 (though development is focused on 1.9.2).
+
+## Installation
+
+    gem install webloc
+    
+## Usage
+
+It's pretty simple.
+
+Reading a .webloc file:
+
+    Webloc.load(ARGV.first).url
+
+Writing to a .webloc file:
+
+    Webloc.new('http://peterc.org/').save('peterc.webloc')
+
+## License
+
+Copyright (C) 2011 Peter Cooper
+
+webloc is licensed under the terms of the MIT License

Rakefile

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+require 'bundler'
+Bundler::GemHelper.install_tasks

lib/webloc.rb

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+require 'plist'
+
+class Webloc
+  attr_accessor :url
+
+  def initialize(url)
+    @url = url
+  end
+
+  def self.load(filename)
+    data = File.read(filename)
+    data = data.force_encoding('binary') rescue data
+    
+    if data !~ /\<plist/
+      offset = (data =~ /SURL_/)
+      length = data[offset + 6]
+      length = length.ord rescue length
+      url = data[offset + 7,length]  
+    else
+      url = Plist::parse_xml(filename)['URL'] rescue nil
+    end
+    
+    raise ArgumentError unless url
+    new(url)
+  end
+
+  def data
+    @data = "\x62\x70\x6C\x69\x73\x74\x30\x30\xD1\x01\x02\x53\x55\x52\x4C\x5F\x10"
+    @data += @url.length.chr
+    @data += @url
+    @data += "\x08\x0B\x0F\x00\x00\x00\x00\x00\x00\x01\x01\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
+    @data += (@url.length + 18).chr
+  end
+  
+  def save(filename)
+    File.open(filename, 'w:binary') { |f| f.print data }
+  end
+end

lib/webloc/version.rb

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+class Webloc
+  VERSION = "0.0.1"
+end

webloc.gemspec

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+# -*- encoding: utf-8 -*-
+$:.push File.expand_path("../lib", __FILE__)
+require "webloc/version"
+
+Gem::Specification.new do |s|
+  s.name        = "webloc"
+  s.version     = Webloc::VERSION
+  s.platform    = Gem::Platform::RUBY
+  s.authors     = ["Peter Cooper"]
+  s.email       = ["peter@petercooper.co.uk"]
+  s.homepage    = "http://github.com/peterc/webloc"
+  s.summary     = %q{Reads and writes .webloc files on OS X}
+  s.description = %q{Webloc reads and writes .webloc files on OS X}
+
+  s.rubyforge_project = "webloc"
+
+  s.files         = `git ls-files`.split("\n")
+  s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
+  s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+  s.require_paths = ["lib"]
+  
+  s.add_dependency 'plist'
+end