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authorPhilipp Gesang <pgesang@ix.urz.uni-heidelberg.de>2010-08-15 20:14:01 +0200
committerPhilipp Gesang <pgesang@ix.urz.uni-heidelberg.de>2010-08-15 20:14:01 +0200
commit665d59554d270d8a56a43a2007981463581a055d (patch)
treeec707d41ee3545c3af51cee3b81dd98a933c1f75 /parsers
parent2e2ea4b49f9f3101b4e09b77cd33fefc93c9c3cf (diff)
downloadautomata-backgrounds-665d59554d270d8a56a43a2007981463581a055d.tar.gz
restructured directory layout and renamed most files.
Diffstat (limited to 'parsers')
-rw-r--r--parsers/rle.lua95
1 files changed, 0 insertions, 95 deletions
diff --git a/parsers/rle.lua b/parsers/rle.lua
deleted file mode 100644
index cd10493..0000000
--- a/parsers/rle.lua
+++ /dev/null
@@ -1,95 +0,0 @@
--- http://psoup.math.wisc.edu/mcell/ca_files_formats.html#RLE
-local C, Cs, Ct, P, R, S, match = lpeg.C, lpeg.Cs, lpeg.Ct, lpeg.P, lpeg.R, lpeg.S, lpeg.match
-
-local rows = {}
-local coords = {}
-
-local n_row = 1
-rows[n_row] = ""
-
-local eol = P"\n"
-local hashmark = P"#"
-local space = S" \t"
-local whitespace = S(" \n\t")^0
-local num = R"09"
-local comma = P","
-local exclam = P"!"
-local equals = P"="
-local dollar = P"$"
-local state = S"bo"
---local sign = S("+-")^0 -- support negative grid values? not yet
-
-local comment = hashmark * (1-eol)^0 * eol
-
-local getx = space^0 * P"x" * space^0 * equals * space^0 * C(num^1) / function (x)
- coords.x = tonumber(x)
-end
-local gety = space^0 * P"y" * space^0 * equals * space^0 * C(num^1) / function (y)
- coords.y = tonumber(y)
-end
-geometry = getx * comma * gety * (1-eol)^0 * eol
-
-local function n_of_t (n, c)
- local tmp = ""
- if c == "o" then -- live
- c = "1"
- else -- dead
- c = "0"
- end
-
- for i=1, n, 1 do
- tmp = tmp .. c
- end
- return tmp
-end
-
-local cell = C(num^0) * C(state) / function (n, c)
- if n == "" then
- n = 1
- end
-
- if n_of_t (tonumber(n), c) == nil then
- print("OVER HERE", n_row,n, c)
- end
- rows[n_row] = rows[n_row] .. n_of_t (tonumber(n), c)
-end
-
-local line = whitespace * (cell * whitespace)^0 * C(num^0) / function (empty)
-
- if rows[n_row]:len() < coords.x then -- fill grid with dead cells
- rows[n_row] = rows[n_row] .. n_of_t( coords.x - rows[n_row]:len(), "0" )
- end
-
- if empty ~= "" then
- for n=1, tonumber(empty)-1, 1 do
- n_row = n_row + 1
- rows[n_row] = n_of_t( coords.x, "0" )
- end
- end
-
- n_row = n_row + 1
-
- if n_row <= coords.y then
- rows[n_row] = ""
- end
-end
-
-local p_rle = comment^0 * geometry * line * (dollar * line)^0 * whitespace * exclam
-
-local function parser(fname)
- local file = assert(io.open(fname, "r"), "Not a file: " .. fname)
- local data = file:read("*all")
- file:close()
-
- if p_rle:match(data) then
- if context then
- context.writestatus("simpleslides", "Sucessfully loaded frame from "..fname..".")
- end
- return rows
- else
- return false
- end
-end
-
-return parser
-