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-rw-r--r--code/environments/production/modules/stdlib/lib/puppet/parser/functions/capitalize.rb29
1 files changed, 29 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/lib/puppet/parser/functions/capitalize.rb b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/capitalize.rb
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+++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/capitalize.rb
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+#
+# capitalize.rb
+# Please note: This function is an implementation of a Ruby class and as such may not be entirely UTF8 compatible. To ensure compatibility please use this function with Ruby 2.4.0 or greater - https://bugs.ruby-lang.org/issues/10085.
+#
+module Puppet::Parser::Functions
+ newfunction(:capitalize, :type => :rvalue, :doc => <<-DOC
+ Capitalizes the first letter of a string or array of strings.
+ Requires either a single string or an array as an input.
+ DOC
+ ) do |arguments|
+
+ raise(Puppet::ParseError, "capitalize(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
+
+ value = arguments[0]
+
+ unless value.is_a?(Array) || value.is_a?(String)
+ raise(Puppet::ParseError, 'capitalize(): Requires either array or string to work with')
+ end
+
+ result = if value.is_a?(Array)
+ # Numbers in Puppet are often string-encoded which is troublesome ...
+ value.map { |i| i.is_a?(String) ? i.capitalize : i }
+ else
+ value.capitalize
+ end
+
+ return result
+ end
+end