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Versions: 10
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Contents
require 'jekyll_plugin_logger'
require 'rspec/match_ignoring_whitespace'
require_relative '../lib/jekyll_plugin_support'
require_relative '../lib/jekyll_plugin_support_spec_support'
class LiquidVariableParsing
# @return copy of str with references to defined variables replaced by the values of the variables
def variable_replace(str, scopes)
result = str.clone
match_data_list = str.to_enum(:scan, /{{[a-z_][a-zA-Z_0-9]*}}/).map { Regexp.last_match }.reverse
match_data_list.each do |md|
from = md.begin(0)
to = md.end(0) - 1
ref = str[from..to]
name = ref[2..-3]
scopes.each do |scope|
value = scope.key?(name) ? scope[name] : ref
# puts "str=#{str}; from=#{from}; to=#{to}; name=#{name} value=#{value}"
result[from..to] = value
end
end
result
end
RSpec.describe JekyllPluginHelper do
it 'substitutes variable references for values without recursion' do
scopes = [{ 'a' => '{{', 'b' => 'asdf', 'c' => '}}' }]
str = '{{a}}{{b}}{{c}} This should be unchanged: {{d}}'
new_str = variable_replace(str, scopes)
expect(str).to start_with('{{a}}')
expect(new_str).to be('{{asdf}} This should be unchanged: {{d}}')
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems