Mercurial Hosting > luan

comparison src/luan/modules/Html.luan @ 775:1a68fc55a80c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
simplify dir structure
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 26 Aug 2016 14:36:40 -0600
parents core/src/luan/modules/Html.luan@ca169567ce07
children bae2d0c2576c
comparison
equal deleted inserted replaced
774:3e30cf310e56 775:1a68fc55a80c
1 java()
2 local HtmlLuan = require "java:luan.modules.HtmlLuan"
3 local HtmlParser = require "java:luan.modules.parsers.Html"
4 local URLEncoder = require "java:java.net.URLEncoder"
5 local Luan = require "luan:Luan.luan"
6 local error = Luan.error
7 local ipairs = Luan.ipairs or error()
8 local pairs = Luan.pairs or error()
9 local type = Luan.type or error()
10 local Io = require "luan:Io.luan"
11 local output_of = Io.output_of or error()
12
13
14 local M = {}
15
16 M.encode = HtmlLuan.encode
17
18 local quote = HtmlLuan.quote
19 M.quote = quote
20
21 function M.parse(text,container_tags)
22 text or error "text required"
23 container_tags = container_tags or {"script","style","textarea"}
24 return HtmlParser.toList(text,container_tags)
25 end
26
27 function M.url_encode(s)
28 return URLEncoder.encode(s,"UTF-8")
29 end
30
31 local function output_tag(tag)
32 %><<%= tag.name %><%
33 local attributes = tag.attributes
34 for name, value in pairs(attributes) do
35 %> <%= name %><%
36 if value ~= true then
37 %>=<%= quote(value) %><%
38 end
39 end
40 if tag.is_empty then
41 %>/<%
42 end
43 %>><%
44 end
45
46 function M.to_string(list)
47 return output_of( function()
48 for _, obj in ipairs(list) do
49 local tp = type(obj)
50 if tp == "string" then
51 %><%= obj %><%
52 elseif tp == "table" then
53 tp = obj.type
54 if tp == nil then
55 error "no type in element of table for 'Html.to_string'"
56 elseif tp == "comment" then
57 %><!--<%= obj.text %>--><%
58 elseif tp == "cdata" then
59 %><![CDATA[<%= obj.text %>]]><%
60 elseif tp == "tag" then
61 output_tag(obj)
62 elseif tp == "container" then
63 local tag = obj.tag
64 output_tag(tag)
65 %><%= obj.text %></<%= tag.name %>><%
66 else
67 error "invalid element type for 'Html.to_string'"
68 end
69 else
70 error("invalid value ("..tp..") in list for 'Html.to_string'")
71 end
72 end
73 end )
74 end
75
76 return M