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Finished implementing the funge space field

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This commit is contained in:
Julien Dessaux 2021-10-02 20:37:24 +02:00
parent 40257e354d
commit 52be0d0d1e
11 changed files with 131 additions and 12 deletions
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8
examples/dna.b98 Normal file
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@ -0,0 +1,8 @@
7^DN>vA
v_#v? v
7^<""""
3 ACGT
90!""""
4*:>>>v
+8^-1,<
> ,+,@)

0
examples/empty.b98 Normal file
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2
examples/factorial.b98 Normal file
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@ -0,0 +1,2 @@
&>:1-:v v *_$.@
^ _$>\:^

1
examples/hello.b98 Normal file
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@ -0,0 +1 @@
64+"!dlroW ,olleH">:#,_@

2
examples/hello2.b98 Normal file
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@ -0,0 +1,2 @@
v
@ > #;>:#,_e-j; "Hello world!"da<

2
examples/invalid.b98 Normal file
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@ -0,0 +1,2 @@
@

1
examples/minimal.b98 Normal file
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@ -0,0 +1 @@
@

1
examples/rn.b98 Normal file
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@ -0,0 +1 @@
64+"!dlroW ,olleH">:#,_@

71
src/field.nim
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@ -8,7 +8,7 @@ type
lx, ly: int
lines: seq[Line]
proc blank*(f: var Field, x, y: int) =
func blank*(f: var Field, x, y: int) =
if y < f.y or y >= f.y+f.ly: # outside the field
return
var l = addr f.lines[y-f.y]
@ -59,17 +59,80 @@ proc blank*(f: var Field, x, y: int) =
x2 = f.lines[i].x + f.lines[i].l
f.lx = x2-f.x
proc get*(f: Field, x, y: int): int =
func get*(f: Field, x, y: int): int =
if y >= f.y and y < f.y+f.ly:
let l = f.lines[y-f.y]
if x >= l.x and x < l.x+l.l:
return l.columns[x-l.x]
return int(' ')
proc isIn*(f: Field, x, y: int): bool =
func isIn*(f: Field, x, y: int): bool =
return x >= f.x and y >= f.y and x < f.x+f.lx and y < f.y+f.ly
proc set*(f: var Field, x, y, v: int) =
proc load*(f: var Field, filename: string): bool =
var file: File
if not open(file, filename):
return false
defer: file.close()
f.lines.add(Line())
var l = addr f.lines[0]
var trailingSpaces = 0
var data: array[255,char]
while true:
let n = file.readChars(data, 0, 255)
if n <= 0:
if f.ly == 0:
if l.l == 0: # we got en empty file!
return false
f.x = l.x
if l.l > 0:
inc f.ly
if f.lx < l.l+l.x-f.x:
f.lx = l.l+l.x-f.x
break
var i = 0
while i < n:
if data[i] == char(12):
inc i
continue
if data[i] == '\n' or data[i] == '\r':
if f.ly == 0:
if l.l == 0:
return false
f.x = l.x
inc f.ly
if f.x > l.x:
f.x = l.x
if f.lx < l.l+l.x-f.x:
f.lx = l.l+l.x-f.x
f.lines.add(Line())
l = addr f.lines[^1]
trailingSpaces = 0
if i+1 < n and data[i] == '\r' and data[i+1] == '\n':
inc i
else:
if data[i] == ' ':
if l.l == 0: # trim leading spaces
inc l.x
else:
inc trailingSpaces
else:
if trailingSpaces > 0:
let newL = l.l + trailingSpaces + 1
l.columns.setlen(newL)
for j in l.l..<newL-1:
l.columns[j] = int(' ')
l.columns[newL-1] = int(data[i])
l.l = newL
trailingSpaces = 0
else:
l.columns.add(int(data[i]))
inc l.l
inc i
f.lines = f.lines[0..<f.ly]
return true
func set*(f: var Field, x, y, v: int) =
if v == int(' '):
f.blank(x, y)
elif y >= f.y:

5
src/nimfunge98.nim
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@ -1,5 +0,0 @@
import nimfunge98/field/field
let f:Field
echo f.get(3,2)

50
tests/testField.nim
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@ -2,8 +2,12 @@ import unittest
include field
proc `==`(a, b: Line): bool = a.x == b.x and a.l == b.l and a.columns == b.columns
proc `==`(a, b: Field): bool = a.x == b.x and a.lx == b.lx and a.y == b.y and a.ly == b.ly and a.lines == b.lines
func `==`(a, b: Line): bool = a.x == b.x and a.l == b.l and a.columns == b.columns
func `==`(a, b: Field): bool = a.x == b.x and a.lx == b.lx and a.y == b.y and a.ly == b.ly and a.lines == b.lines
func cols(a: openarray[char]): seq[int] =
result.setlen(a.len)
for i in 0..<a.len:
result[i] = a[i].int()
const minimal = Field(x: 0, y: 0, lx: 1, ly: 1, lines: @[Line(x: 0, l: 1, columns: @[int('@')])])
@ -99,8 +103,48 @@ suite "Field":
test "Field.isIn":
check minimal.isIn(0, 0) == true
check minimal.isIn(1, 0) == false
test "Field.load":
var nonexistant: Field
check nonexistant.load("nonexistant") == false
var invalid: Field
check invalid.load("examples/invalid.b98") == false
var empty: Field
check empty.load("examples/empty.b98") == false
var min: Field
check min.load("examples/minimal.b98") == true
check min == minimal
var hello1A: Field; var hello1B = Field(lx: 24, ly: 1, lines: @[Line(l:24, columns: @['6', '4', '+', '"', '!', 'd', 'l', 'r', 'o', 'W', ' ', ',', 'o', 'l', 'l', 'e', 'H', '"', '>', ':', '#', ',', '_', '@'].cols)])
check hello1A.load("examples/hello.b98") == true
check hello1A == hello1B
var rn: Field
check rn.load("examples/rn.b98") == true
check rn == hello1B
var hello2A: Field; var hello2B = Field(x: 1, lx: 33, ly: 2,lines: @[
Line(x:33, l:1, columns: @['v'].cols),
Line(x:1, l:33, columns: @['@', ' ', '>', ' ', '#', ';', '>', ':', '#', ',', '_', 'e', '-', 'j', ';', ' ', '"', 'H', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd', '!', '"', 'd', 'a', '<'].cols)
])
check hello2A.load("examples/hello2.b98") == true
check hello2A == hello2B
var factorial2A: Field; var factorial2B = Field(x: 0, lx: 15, ly: 2,lines: @[
Line(x:0, l:15, columns: @['&', '>', ':', '1', '-', ':', 'v', ' ', 'v', ' ', '*', '_', '$', '.', '@'].cols),
Line(x:1, l:11, columns: @['^', ' ', ' ', ' ', ' ', '_', '$', '>', '\\', ':', '^'].cols)
])
check factorial2A.load("examples/factorial.b98") == true
check factorial2A == factorial2B
var dna2A: Field; var dna2B = Field(x: 0, lx: 7, ly: 8,lines: @[
Line(x:0, l:7, columns: @['7', '^', 'D', 'N', '>', 'v', 'A'].cols),
Line(x:0, l:7, columns: @['v', '_', '#', 'v', '?', ' ', 'v'].cols),
Line(x:0, l:7, columns: @['7', '^', '<', '"', '"', '"', '"'].cols),
Line(x:0, l:7, columns: @['3', ' ', ' ', 'A', 'C', 'G', 'T'].cols),
Line(x:0, l:7, columns: @['9', '0', '!', '"', '"', '"', '"'].cols),
Line(x:0, l:7, columns: @['4', '*', ':', '>', '>', '>', 'v'].cols),
Line(x:0, l:7, columns: @['+', '8', '^', '-', '1', ',', '<'].cols),
Line(x:0, l:7, columns: @['>', ' ', ',', '+', ',', '@', ')'].cols),
])
check dna2A.load("examples/dna.b98") == true
check dna2A == dna2B
test "Field.set":
var f = Field(x: 0, y: 0, lx: 1, ly: 1, lines: @[Line(x: 0, l: 1, columns: @[int('>')])])
var f = Field(x: 0, y: 0, lx: 1, ly: 1, lines: @[Line(x: 0, l: 1, columns: @['>'].cols)])
f.set(0,0,int('@'))
check f == minimal
f.set(1,0,int(' '))