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19 lines
975 B
Lua
19 lines
975 B
Lua
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-- Generate lookup table for HTML entities out of https://html.spec.whatwg.org/entities.json
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-- Requires https://github.com/brunoos/luasec to fetch the JSON
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local https = require 'ssl.https'
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local res, code = https.request"https://html.spec.whatwg.org/entities.json"
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assert(code == 200)
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local entity_map = {}
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for entity, chars in pairs(assert(modlib.json:read_string(res))) do
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entity_map[entity:sub(2, #entity - 1)] = table.concat(modlib.table.map(chars.codepoints, modlib.text.utf8))
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end
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local entries = {}
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for entity, chars in pairs(entity_map) do
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table.insert(entries, ("[%q] = %q"):format(entity, chars))
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end
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local serialized = [[-- HTML entity lookup table generated by build/html_entities.lua. Do not edit.
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return {]] .. table.concat(entries, ", ") .. "}"
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local loaded = assert(loadstring(serialized))
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setfenv(loaded, {})
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assert(modlib.table.equals(entity_map, loaded()))
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modlib.file.write(modlib.mod.get_resource("modlib", "web", "html", "entities.lua"), serialized)
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