annotate env/format/wiki_text.lua @ 1045:701a5cf6b067
Imported LiquidFeedback Frontend 3.0 branch
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bsw |
| date |
Thu Jul 10 01:19:48 2014 +0200 (2014-07-10) |
| parents |
f49cdfb72567 |
| children |
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| rev |
line source |
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bsw/jbe@4
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1 function format.wiki_text(wiki_text, formatting_engine)
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bsw@1045
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2
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3 if not formatting_engine then
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4 error("Formatting engine identifier required")
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5 end
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6
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bsw@1045
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7 local fe
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8
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9 for i, fe_entry in ipairs(config.formatting_engines) do
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10 if fe_entry.id == formatting_engine then
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11 fe = fe_entry
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12 break
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13 end
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14 end
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15
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16 if not fe then
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17 error("Formatting engine not found")
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18 end
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19
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bsw@2
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20 local html, errmsg, exitcode = assert(
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bsw@1045
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21 extos.pfilter(wiki_text, fe.executable, table.unpack(fe.args or {}))
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22 )
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23
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bsw@2
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24 if exitcode > 0 then
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bsw@1045
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25 trace.debug(html, errmsg)
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bsw@2
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26 error("Wiki parser process returned with error code " .. tostring(exitcode))
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bsw@2
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27 elseif exitcode < 0 then
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28 trace.debug(html, errmsg)
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bsw@2
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29 error("Wiki parser process was terminated by signal " .. tostring(-exitcode))
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bsw@2
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30 end
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31
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bsw@1045
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32 if fe.remove_images then
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33 html = string.gsub(html, '<img [^>]*>', '')
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34 end
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35
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bsw@2
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36 return html
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37
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bsw@2
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38 end
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