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53 lines
1006 B
53 lines
1006 B
3 years ago
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local search = {}
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local default_opt = {}
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local function pattern_lower(str)
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if str:sub(1, 1) == "%" then
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return str
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end
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return str:lower()
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end
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local function init_args(doc, line, col, text, opt)
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opt = opt or default_opt
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line, col = doc:sanitize_position(line, col)
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if opt.no_case then
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if opt.pattern then
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text = text:gsub("%%?.", pattern_lower)
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else
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text = text:lower()
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end
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end
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return doc, line, col, text, opt
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end
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function search.find(doc, line, col, text, opt)
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doc, line, col, text, opt = init_args(doc, line, col, text, opt)
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for line = line, #doc.lines do
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local line_text = doc.lines[line]
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if opt.no_case then
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line_text = line_text:lower()
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end
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local s, e = line_text:find(text, col, not opt.pattern)
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if s then
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return line, s, line, e + 1
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end
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col = 1
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end
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if opt.wrap then
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opt = { no_case = opt.no_case, pattern = opt.pattern }
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return search.find(doc, 1, 1, text, opt)
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end
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end
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return search
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