36 lines
816 B
Lua
36 lines
816 B
Lua
local common = require "core.common"
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local syntax = {}
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syntax.items = {}
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local plain_text_syntax = { name = "Plain Text", patterns = {}, symbols = {} }
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function syntax.add(t)
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-- this rule gives us a performance gain for the tokenizer in lines with
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-- long amounts of consecutive spaces without affecting other patterns
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if t.patterns then
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table.insert(t.patterns, 1, { pattern = "%s+", type = "normal" })
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end
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table.insert(syntax.items, t)
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end
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local function find(string, field)
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for i = #syntax.items, 1, -1 do
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local t = syntax.items[i]
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if common.match_pattern(string, t[field] or {}) then
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return t
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end
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end
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end
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function syntax.get(filename, header)
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return find(filename, "files")
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or (header and find(header, "headers"))
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or plain_text_syntax
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end
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return syntax
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