55 lines
1.3 KiB
Lua
55 lines
1.3 KiB
Lua
|
Cursor = {}
|
||
|
|
|
||
|
|
function Cursor.new(x, y)
|
||
|
|
local cursor = {
|
||
|
|
x = x,
|
||
|
|
y = y,
|
||
|
|
}
|
||
|
|
|
||
|
|
return setmetatable(cursor, {__index = Cursor})
|
||
|
|
end
|
||
|
|
|
||
|
|
function Cursor:print()
|
||
|
|
print('x: ' .. self.x .. ' y: ' .. self.y)
|
||
|
|
end
|
||
|
|
|
||
|
|
BracePair = {}
|
||
|
|
|
||
|
|
function BracePair.new(brace)
|
||
|
|
local escape = function(brace_raw)
|
||
|
|
if brace_raw == '[' or brace_raw == ']' then
|
||
|
|
return '\\' .. brace_raw
|
||
|
|
else
|
||
|
|
return brace_raw
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
for _, brace_set in ipairs({{'(', ')'}, {'[', ']'}, {'{', '}'}, {'<', '>'}}) do
|
||
|
|
if brace_set[1] == brace or brace_set[2] == brace then
|
||
|
|
local brace_pair = {
|
||
|
|
open = brace_set[1],
|
||
|
|
close = brace_set[2],
|
||
|
|
escaped = {
|
||
|
|
open = escape(brace_set[1]),
|
||
|
|
closed = escape(brace_set[2]),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return setmetatable(brace_pair, {__index = BracePair})
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
BraceRange = {}
|
||
|
|
|
||
|
|
function BraceRange.new(start_cursor, stop_cursor, brace_pair, brace_params)
|
||
|
|
local brace_range = {
|
||
|
|
start_cursor = start_cursor,
|
||
|
|
stop_cursor = stop_cursor,
|
||
|
|
brace_pair = brace_pair,
|
||
|
|
brace_params = brace_params or {},
|
||
|
|
}
|
||
|
|
|
||
|
|
return setmetatable(brace_range, {__index = BraceRange})
|
||
|
|
end
|