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12
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3 local type = Luan.type or error()
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4 local ipairs = Luan.ipairs or error()
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5 local stringify = Luan.stringify or error()
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13
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6 local Io = require "luan:Io.luan"
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7 local output_of = Io.output_of or error()
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12
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8 local Parsers = require "luan:Parsers.luan"
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9 local bbcode_parse = Parsers.bbcode_parse or error()
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10 local Html = require "luan:Html.luan"
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11 local html_encode = Html.encode or error()
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12 local Table = require "luan:Table.luan"
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13 local is_list = Table.is_list or error()
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13
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14 local String = require "luan:String.luan"
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15 local gsub = String.gsub or error()
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12
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16 local User = require "site:/lib/User.luan"
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13
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17 local Shared = require "site:/lib/Shared.luan"
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18 local list_to_set = Shared.list_to_set or error()
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20
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19 local to_list = Shared.to_list or error()
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12
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20 local Logging = require "luan:logging/Logging.luan"
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21 local logger = Logging.logger "Bbcode"
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22
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23
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24 local Bbcode = {}
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25
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26 local to_html
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27 local html = {}
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28
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20
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29 function html.b(bbcode,options)
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30 %><b><% to_html(bbcode.contents,options) %></b><%
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31 end
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32
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33 function html.i(bbcode,options)
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34 %><i><% to_html(bbcode.contents,options) %></i><%
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35 end
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36
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37 function html.u(bbcode,options)
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38 %><u><% to_html(bbcode.contents,options) %></u><%
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12
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39 end
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40
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20
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41 function html.s(bbcode,options)
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42 %><s><% to_html(bbcode.contents,options) %></s><%
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12
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43 end
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44
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20
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45 function html.sup(bbcode,options)
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46 %><sup><% to_html(bbcode.contents,options) %></sup><%
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12
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47 end
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48
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20
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49 function html.brackets(bbcode,options)
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50 %>[<% to_html(bbcode.contents,options) %>]<%
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51 end
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52
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53 function html.url(bbcode,options)
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12
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54 local url = bbcode.param
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55 if url == nil then
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56 url = html_encode(bbcode.contents)
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57 %><a href="<%=url%>"><%=url%></a><%
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58 else
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59 url = html_encode(url)
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20
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60 %><a href="<%=url%>"><% to_html(bbcode.contents,options) %></a><%
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12
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61 end
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62 end
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63
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20
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64 function html.code(bbcode,options)
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65 local s = gsub(bbcode.contents,[[^\n]],"")
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66 %><code><%= html_encode(s) %></code><%
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67 options.strip_newline = true
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12
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68 end
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69
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20
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70 function html.img(bbcode,options)
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12
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71 %><img src="<%= html_encode(bbcode.contents) %>"><%
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72 end
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73
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20
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74 function html.color(bbcode,options)
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75 %><span style="color:<%=bbcode.param%>"><% to_html(bbcode.contents,options) %></span><%
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12
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76 end
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77
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20
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78 function html.size(bbcode,options)
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79 %><span style="font-size:<%=bbcode.param%>%"><% to_html(bbcode.contents,options) %></span><%
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12
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80 end
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81
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20
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82 function html.quote(bbcode,options)
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12
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83 %><blockquote><%
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84 local user_name = bbcode.param
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85 if user_name ~= nil then
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86 local user = User.get_by_name(user_name)
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87 if user == nil then
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88 %><%= user_name %> wrote:<%
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89 else
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90 %><a href="/user_something"><%= user_name %></a> wrote:<%
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91 end
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20
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92 else
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93 options.strip_newline = true
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12
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94 end
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20
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95 to_html(bbcode.contents,options)
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12
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96 %></blockquote><%
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20
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97 options.strip_newline = true
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12
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98 end
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99
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20
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100 function html.video(bbcode,options)
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12
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101 local url = html_encode(bbcode.contents)
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102 local site = bbcode.site
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103 if site == "youtube" then
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104 %><iframe width="420" height="315" src="https://www.youtube.com/embed/<%=bbcode.id%><%
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105 local start = bbcode.start
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106 if start ~= nil then
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107 %>?start=<%=start%><%
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108 end
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109 %>" frameborder="0" allowfullscreen></iframe><%
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110 elseif site == "bitchute" then
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111 %><iframe width="420" height="315" scrolling="no" frameborder="0" style="border: none;" src="https://www.bitchute.com/embed/<%=bbcode.id%>/"></iframe><%
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112 else
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113 %><a href="<%=url%>"><%=url%></a><%
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114 end
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115 end
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116
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20
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117 local function list_to_html(bbcode,options)
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118 local list = to_list(bbcode.contents)
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119 for _, item in ipairs(list) do
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120 if type(item) == "table" and item.name == "li" then
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121 %><li><% to_html(item.contents,options) %></li><%
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122 end
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123 end
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124 options.strip_newline = true
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125 end
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126
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127 function html.ul(bbcode,options)
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128 %><ul><%
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129 list_to_html(bbcode,options)
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130 %></ul><%
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131 end
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132
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133 function html.ol(bbcode,options)
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134 %><ol><%
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135 list_to_html(bbcode,options)
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136 %></ol><%
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137 end
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138
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139 function to_html(bbcode,options)
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140 if options.strip_newline then
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141 if type(bbcode) == "string" then
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142 bbcode = gsub(bbcode,[[^\n]],"")
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143 end
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144 options.strip_newline = false
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145 end
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12
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146 if type(bbcode) == "string" then
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147 %><%= html_encode(bbcode) %><%
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148 else
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149 type(bbcode) == "table" or error()
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150 if is_list(bbcode) then
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151 for _, v in ipairs(bbcode) do
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20
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152 to_html(v,options)
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12
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153 end
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154 else
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155 local fn = html[bbcode.name] or error(bbcode.name.." not handled")
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20
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156 fn(bbcode,options)
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12
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157 end
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158 end
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159 end
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160
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161 function Bbcode.to_html(bbcode)
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162 bbcode = bbcode_parse(bbcode)
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20
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163 %><div message><%
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164 to_html(bbcode,{strip_newline=false})
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165 %></div><%
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12
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166 end
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167
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13
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168
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169 local doesnt_nest = list_to_set{
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170 "url"
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171 "code"
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172 "img"
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173 "video"
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174 }
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175
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176 local function preprocess(bbcode)
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177 if type(bbcode) == "string" then
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178 bbcode = gsub( bbcode, [[(^|\s)(https?://\S+)]], "$1[url]$2[/url]" )
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179 %><%= bbcode %><%
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180 else
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181 type(bbcode) == "table" or error()
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182 if is_list(bbcode) then
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183 for _, v in ipairs(bbcode) do
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184 preprocess(v)
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185 end
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186 else
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187 local name = bbcode.name
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188 local param = bbcode.param
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189 %>[<%=name%><%
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190 if param ~= nil then
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191 %>=<%=param%><%
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192 end
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193 %>]<%
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194 if doesnt_nest[name] then
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195 %><%=bbcode.contents%><%
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196 else
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197 preprocess(bbcode.contents)
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198 end
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20
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199 if name == "code" and param ~= nil then
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200 %>[/<%=name%>=<%=param%>]<%
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201 else
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202 %>[/<%=name%>]<%
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203 end
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13
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204 end
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205 end
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206 end
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207
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208 function Bbcode.preprocess(bbcode)
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209 bbcode = bbcode_parse(bbcode)
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210 return output_of(function()
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211 preprocess(bbcode)
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212 end)
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213 end
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214
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12
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215 return Bbcode
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