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Liquid Templating Language REPL
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require 'liquid' | |
require 'readline' | |
require 'colorize' | |
$state = {'test' => 5, 'wat' => "yup"} | |
def eval_liquid(str) | |
temp = Liquid::Template.parse(str) | |
temp.render($state) | |
end | |
def switch_command(str) | |
case str | |
when /^assign (.*) = (.*)$/ | |
$state[$1] = eval($2) | |
"Assigned #{$1} to #{$2}" | |
when /^mode (\w+)/ | |
Liquid::Template.error_mode = $1.intern | |
when /^rb (.*)$/ | |
eval($1) | |
else | |
eval_liquid(str) | |
end | |
end | |
def do_command(str) | |
begin | |
out = switch_command(str) | |
rescue Exception => e | |
puts "!> ".red + e.message.to_s | |
else | |
puts "=> ".green + out.to_s | |
end | |
end | |
buf = '' | |
while buf << Readline.readline("liquid> ", true) | |
break if buf == "exit" | |
if buf[-1] != '\\' | |
liquid = buf.gsub(/\\/, "\n") | |
do_command(liquid) | |
buf = '' | |
end | |
end |
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