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# This module is an integral part of the evaluator. It deals with the concern of validating
# external syntax in text produced by heredoc and templates.
#
require 'puppet/plugins/syntax_checkers'
module Puppet::Pops::Evaluator::ExternalSyntaxSupport
def assert_external_syntax(scope, result, syntax, reference_expr)
# ignore 'unspecified syntax'
return if syntax.nil? || syntax == ''
checker = checker_for_syntax(scope, syntax)
# ignore syntax with no matching checker
return unless checker
# Call checker and give it the location information from the expression
# (as opposed to where the heredoc tag is (somewhere on the line above)).
acceptor = Puppet::Pops::Validation::Acceptor.new()
checker.check(result, syntax, acceptor, reference_expr)
if acceptor.error_count > 0
checker_message = "Invalid produced text having syntax: '#{syntax}'."
Puppet::Pops::IssueReporter.assert_and_report(acceptor, :message => checker_message)
raise ArgumentError, "Internal Error: Configuration of runtime error handling wrong: should have raised exception"
end
end
# Finds the most significant checker for the given syntax (most significant is to the right).
# Returns nil if there is no registered checker.
#
def checker_for_syntax(scope, syntax)
checkers_hash = Puppet.lookup(:plugins)[Puppet::Plugins::SyntaxCheckers::SYNTAX_CHECKERS_KEY]
checkers_hash[lookup_keys_for_syntax(syntax).find {|x| checkers_hash[x] }]
end
# Returns an array of possible syntax names
def lookup_keys_for_syntax(syntax)
segments = syntax.split(/\+/)
result = []
begin
result << segments.join("+")
segments.shift
end until segments.empty?
result
end
end
Version data entries
41 entries across 41 versions & 2 rubygems