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@yuya-takeyama
Created March 29, 2011 11:56
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DSL to write .htaccess files.
.htaccess ファイルを DSL で記述するってどうでしょう ?
使い方:
$ ruby build_htaccess.rb example.rb
出力:
<IfModule mod_rewrite.c>
RewriteEngine on
<Limit GET>
RewriteRule ^/user/(.*)$ /user.cgi?id=$1 [L,R]
</Limit>
</IfModule>
Order Deny,Allow
Deny from All
Allow from 192.168.0.11
Allow from 192.168.0.12
Allow from 192.168.0.13
Allow from 192.168.0.14
Allow from 192.168.0.15
require './htaccess_dsl'
include HtaccessDsl
load ARGV[0]
dsl {
IfModule("mod_rewrite.c") {
RewriteEngine :on
Limit("GET") {
RewriteRule "^/user/(.*)$ /user.cgi?id=$1 [L,R]"
}
}
Order "Deny,Allow"
Deny "from All"
(11..15).each do |n|
Allow "from 192.168.0.#{n.to_s}"
end
}
module HtaccessDsl
class Htaccess
def initialize
@lines = []
@depth = 0
end
def method_missing(method, *args, &block)
if block_given?
_put_block(method, *args, &block)
else
_puts(method.to_s + " " + args[0].to_s)
end
end
# ディレクティブの指定
def _puts(line)
@lines << _indent + line
end
# ブロック形式の記述
def _put_block(directive, cond = nil, &block)
if cond.nil?
@lines << _indent + "<#{directive.to_s}>"
else
@lines << _indent + "<#{directive.to_s} #{cond}>"
end
@depth += 1
instance_eval(&block)
@depth -= 1
@lines << _indent + "</#{directive.to_s}>"
end
# インデント
def _indent
" " * @depth
end
# 出力
def _output
@lines.each do |line|
puts line
end
end
end
# 渡されたブロックを DSL として解釈し, .htaccess 形式に出力
def dsl(&block)
htaccess = Htaccess.new
htaccess.instance_eval(&block)
htaccess._output
end
end
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