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annotate core/src/luan/modules/Html.luan @ 687:fc08c3b42010
add theme_to_luan
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Mon, 18 Apr 2016 01:08:35 -0600 |
parents | a3c1e11fb6aa |
children | ca169567ce07 |
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1 java() |
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2 local HtmlLuan = require "java:luan.modules.HtmlLuan" |
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3 local HtmlParser = require "java:luan.modules.parsers.Html" |
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4 local URLEncoder = require "java:java.net.URLEncoder" |
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5 local Luan = require "luan:Luan" |
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6 local error = Luan.error |
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7 local ipairs = Luan.ipairs or error() |
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8 local pairs = Luan.pairs or error() |
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9 local type = Luan.type or error() |
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10 local Io = require "luan:Io" |
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11 local output_of = Io.output_of or error() |
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12 |
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13 |
503 | 14 local M = {} |
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16 M.encode = HtmlLuan.encode | |
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17 |
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18 local quote = HtmlLuan.quote |
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19 M.quote = quote |
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20 |
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21 function M.parse(text,container_tags) |
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22 text or error "text required" |
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23 container_tags = container_tags or {"script","style","textarea"} |
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24 return HtmlParser.toList(text,container_tags) |
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25 end |
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26 |
503 | 27 function M.url_encode(s) |
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28 return URLEncoder.encode(s,"UTF-8") |
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29 end |
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30 |
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31 local function output_tag(tag) |
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32 %><<%= tag.name %><% |
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33 local attributes = tag.attributes |
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34 for name, value in pairs(attributes) do |
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35 %> <%= name %><% |
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36 if value ~= true then |
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37 %>=<%= quote(value) %><% |
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38 end |
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39 end |
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40 if tag.is_empty then |
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41 %>/<% |
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42 end |
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43 %>><% |
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44 end |
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45 |
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46 function M.to_string(list) |
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47 return output_of( function() |
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48 for _, obj in ipairs(list) do |
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49 local tp = type(obj) |
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50 if tp == "string" then |
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51 %><%= obj %><% |
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52 elseif tp == "table" then |
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53 tp = obj.type |
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54 if tp == nil then |
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55 error "no type in element of table for 'Html.to_string'" |
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56 elseif tp == "comment" then |
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57 %><!--<%= obj.text %>--><% |
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58 elseif tp == "cdata" then |
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59 %><![CDATA[<%= obj.text %>]]><% |
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60 elseif tp == "tag" then |
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61 output_tag(obj) |
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62 elseif tp == "container" then |
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63 local tag = obj.tag |
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64 output_tag(tag) |
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65 %><%= obj.text %></<%= tag.name %>><% |
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66 else |
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67 error "invalid element type for 'Html.to_string'" |
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68 end |
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69 else |
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70 error("invalid value ("..tp..") in list for 'Html.to_string'") |
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71 end |
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72 end |
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73 end ) |
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74 end |
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75 |
503 | 76 return M |