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#!/usr/bin/env ruby
# frozen_string_literal: true
# For pull request: https://github.com/jekyll/jekyll/pull/8192
require 'benchmark/ips'
require 'bundler/setup'
require 'memory_profiler'
require 'jekyll'
CONTEXT = {"bar"=>"The quick brown fox"}
MARKUP_1 = %Q(foo=bar lorem="ipsum \\"dolor\\"" alpha='beta \\'gamma\\'').freeze
MARKUP_2 = %Q(foo=bar lorem="ipsum 'dolor'" alpha='beta "gamma"').freeze
#
def old_parse_params(markup)
params = {}
while (match = Jekyll::Tags::IncludeTag::VALID_SYNTAX.match(markup))
markup = markup[match.end(0)..-1]
value = if match[2]
match[2].gsub('\\"', '"')
elsif match[3]
match[3].gsub("\\'", "'")
elsif match[4]
CONTEXT[match[4]]
end
params[match[1]] = value
end
params
end
def new_parse_params(markup)
params = {}
markup.scan(Jekyll::Tags::IncludeTag::VALID_SYNTAX) do |key, d_quoted, s_quoted, variable|
value = if d_quoted
d_quoted.include?('\\"') ? d_quoted.gsub('\\"', '"') : d_quoted
elsif s_quoted
s_quoted.include?("\\'") ? s_quoted.gsub("\\'", "'") : s_quoted
elsif variable
CONTEXT[variable]
end
params[key] = value
end
params
end
#
def report(label, markup, color)
prof_report = MemoryProfiler.report { yield }
allocated_memory = prof_report.scale_bytes(prof_report.total_allocated_memsize)
allocated_objects = prof_report.total_allocated
retained_memory = prof_report.scale_bytes(prof_report.total_retained_memsize)
retained_objects = prof_report.total_retained
puts <<~MSG.send(color)
#{(label + " ").ljust(49, "-")}
MARKUP: #{markup}
RESULT: #{yield}
Total allocated: #{allocated_memory} (#{allocated_objects} objects)
Total retained: #{retained_memory} (#{retained_objects} objects)
MSG
end
report('old w/ escaping', MARKUP_1, :magenta) { old_parse_params(MARKUP_1) }
report('new w/ escaping', MARKUP_1, :cyan) { new_parse_params(MARKUP_1) }
report('old no escaping', MARKUP_2, :green) { old_parse_params(MARKUP_2) }
report('new no escaping', MARKUP_2, :yellow) { new_parse_params(MARKUP_2) }
#
Benchmark.ips do |x|
x.report("old + esc".magenta) { old_parse_params(MARKUP_1) }
x.report("new + esc".cyan) { new_parse_params(MARKUP_1) }
x.compare!
end
Benchmark.ips do |x|
x.report("old - esc".green) { old_parse_params(MARKUP_2) }
x.report("new - esc".yellow) { new_parse_params(MARKUP_2) }
x.compare!
end
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