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| author | Bryan Jen <bryan.jen@gmail.com> | 2015-12-21 17:41:55 -0700 |
|---|---|---|
| committer | Bryan Jen <bryan.jen@gmail.com> | 2015-12-21 17:41:55 -0700 |
| commit | 0073c6d8de4fa0a042e82287c8a1e9603601a57b (patch) | |
| tree | 023157db7ad3212c33637f370bc1f1dfc9e584a2 /lib/puppet/parser/functions/is_absolute_path.rb | |
| parent | 1c6ae4793f9ab8a3c4a15ec1a01563b42715879b (diff) | |
| parent | 1da820e61e08e72cf69d8833c37ecb9446fcd142 (diff) | |
Merge pull request #553 from logicminds/absolute_path
adds new parser called is_absolute_path
Diffstat (limited to 'lib/puppet/parser/functions/is_absolute_path.rb')
| -rw-r--r-- | lib/puppet/parser/functions/is_absolute_path.rb | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/is_absolute_path.rb b/lib/puppet/parser/functions/is_absolute_path.rb new file mode 100644 index 0000000..53a5445 --- /dev/null +++ b/lib/puppet/parser/functions/is_absolute_path.rb @@ -0,0 +1,50 @@ +module Puppet::Parser::Functions + newfunction(:is_absolute_path, :type => :rvalue, :arity => 1, :doc => <<-'ENDHEREDOC') do |args| + Returns boolean true if the string represents an absolute path in the filesystem. This function works + for windows and unix style paths. + + The following values will return true: + + $my_path = 'C:/Program Files (x86)/Puppet Labs/Puppet' + is_absolute_path($my_path) + $my_path2 = '/var/lib/puppet' + is_absolute_path($my_path2) + $my_path3 = ['C:/Program Files (x86)/Puppet Labs/Puppet'] + is_absolute_path($my_path3) + $my_path4 = ['/var/lib/puppet'] + is_absolute_path($my_path4) + + The following values will return false: + + is_absolute_path(true) + is_absolute_path('../var/lib/puppet') + is_absolute_path('var/lib/puppet') + $undefined = undef + is_absolute_path($undefined) + + ENDHEREDOC + + require 'puppet/util' + + path = args[0] + # This logic was borrowed from + # [lib/puppet/file_serving/base.rb](https://github.com/puppetlabs/puppet/blob/master/lib/puppet/file_serving/base.rb) + # Puppet 2.7 and beyond will have Puppet::Util.absolute_path? Fall back to a back-ported implementation otherwise. + if Puppet::Util.respond_to?(:absolute_path?) then + value = (Puppet::Util.absolute_path?(path, :posix) or Puppet::Util.absolute_path?(path, :windows)) + else + # This code back-ported from 2.7.x's lib/puppet/util.rb Puppet::Util.absolute_path? + # Determine in a platform-specific way whether a path is absolute. This + # defaults to the local platform if none is specified. + # Escape once for the string literal, and once for the regex. + slash = '[\\\\/]' + name = '[^\\\\/]+' + regexes = { + :windows => %r!^(([A-Z]:#{slash})|(#{slash}#{slash}#{name}#{slash}#{name})|(#{slash}#{slash}\?#{slash}#{name}))!i, + :posix => %r!^/! + } + value = (!!(path =~ regexes[:posix])) || (!!(path =~ regexes[:windows])) + end + value + end +end
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