HTML-generating _ENV
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- Subject: HTML-generating _ENV
- From: Tangent 128 <tangent128@...>
- Date: 2012年11月16日 23:47:24 -0500
Lua 5.2's _ENV functionality naturally expedites some fun syntax tricks;
partly for a side project, and partly for the fun of it, I wrote a
module that creates an _ENV object with a metatable to synthesize
HTML-wrapping functions. Thus,
local _ENV = require"htmlua".new()
return html {
body {
div {
class = "class",
p "Hello"
}
}
}
would yield "<html><body><div
class="class"><p>Hello</p></div></body></html>".
So then, for more fun, I had it generate callable tables instead of raw
functions. As tables, the HTML-wrappers can be further indexed to get
more-specific, class-tagged versions to fit a little more nicely with
today's CSS frameworks:
return html {
body {
div.class {
p "Hello"
},
div.two.classes()
}
}
yields "<html><body><div class=" class"><p>Hello</p></div><div class="
two classes"></div></body></html>"
Implementaion code at
http://fossil.tangent128.name/LuaForum/artifact/adbc426fafc3cb1f37e0a1a2d7f4f50cc4a498c0
~Joseph