49 lines
1.1 KiB
Lua
49 lines
1.1 KiB
Lua
local ParamCursorCell = {}
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ParamCursorCell.__index = ParamCursorCell
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function ParamCursorCell.new(cursor)
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local cell = {cursor = cursor}
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return setmetatable(cell, ParamCursorCell)
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end
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function ParamCursorCell:write(builder)
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builder:write(self.cursor:get_value())
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end
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function ParamCursorCell:hit_test(cursor)
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if self.cursor == cursor then
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return {{char = self.cursor:get_value(), type = 'cursor_cell'}}
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end
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end
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function ParamCursorCell:hit_search(trace, depth)
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local frame = trace[depth]
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assert(frame.type == 'cursor_cell')
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assert(frame.char == self.cursor:get_value())
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assert(depth == #trace)
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return self
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end
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function ParamCursorCell:is_before_cursor(cursor)
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return self.cursor < cursor
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end
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function ParamCursorCell:is_after_cursor(cursor)
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return self.cursor > cursor
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end
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function ParamCursorCell:get_start_cursor()
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return self.cursor
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end
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function ParamCursorCell:get_stop_cursor()
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return self.cursor
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end
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function ParamCursorCell:is_empty()
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return not self.cursor:get_value():match('%S')
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end
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return ParamCursorCell
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