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/// Map representation | |
use std; | |
import io::reader_util; | |
enum square { | |
bot, | |
wall, | |
rock, | |
lambda, | |
closed_lift, | |
open_lift, | |
earth, | |
empty | |
} | |
impl of to_str::to_str for square { | |
fn to_str() -> str { | |
alt self { | |
bot { "R" } | |
wall { "#" } | |
rock { "*" } | |
lambda { "\\" } | |
closed_lift { "L" } | |
open_lift { "O" } | |
earth { "." } | |
empty { " " } | |
} | |
} | |
} | |
fn square_from_char(c: char) -> square { | |
alt c { | |
'R' { bot } | |
'#' { wall } | |
'*' { rock } | |
'\\' { lambda } | |
'L' { closed_lift } | |
'O' { open_lift } | |
'.' { earth } | |
' ' { empty } | |
_ { | |
#error("invalid square: %?", c); | |
fail | |
} | |
} | |
} | |
fn read_board_grid<rdr: io::reader>(+in: rdr) -> ~[~[square]] { | |
let in = in as io::reader; | |
let mut grid = ~[]; | |
for in.each_line |line| { | |
let mut row = ~[]; | |
for line.each_char |c| { | |
vec::push(row, square_from_char(c)) | |
} | |
vec::push(grid, row) | |
} | |
let width = grid[0].len(); | |
for grid.each |row| { assert row.len() == width } | |
grid | |
} | |
mod test { | |
#[test] | |
fn trivial_to_str() { | |
assert lambda.to_str() == "\\" | |
} | |
#[test] | |
fn read_simple_board() { | |
let s = #include_str("./maps/contest1.map"); | |
read_board_grid(io::str_reader(s)); | |
} | |
} |
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