Karena saya ingin perilaku yang sama seperti OP (membagi string persis sama dengan windows cmd akan melakukannya) saya menulis banyak kasus uji dan menguji jawaban yang diposting di sini:
Test( 0, m, "One", new[] { "One" });
Test( 1, m, "One ", new[] { "One" });
Test( 2, m, " One", new[] { "One" });
Test( 3, m, " One ", new[] { "One" });
Test( 4, m, "One Two", new[] { "One", "Two" });
Test( 5, m, "One Two", new[] { "One", "Two" });
Test( 6, m, "One Two", new[] { "One", "Two" });
Test( 7, m, "\"One Two\"", new[] { "One Two" });
Test( 8, m, "One \"Two Three\"", new[] { "One", "Two Three" });
Test( 9, m, "One \"Two Three\" Four", new[] { "One", "Two Three", "Four" });
Test(10, m, "One=\"Two Three\" Four", new[] { "One=Two Three", "Four" });
Test(11, m, "One\"Two Three\" Four", new[] { "OneTwo Three", "Four" });
Test(12, m, "One\"Two Three Four", new[] { "OneTwo Three Four" });
Test(13, m, "\"One Two\"", new[] { "One Two" });
Test(14, m, "One\" \"Two", new[] { "One Two" });
Test(15, m, "\"One\" \"Two\"", new[] { "One", "Two" });
Test(16, m, "One\\\" Two", new[] { "One\"", "Two" });
Test(17, m, "\\\"One\\\" Two", new[] { "\"One\"", "Two" });
Test(18, m, "One\"", new[] { "One" });
Test(19, m, "\"One", new[] { "One" });
Test(20, m, "One \"\"", new[] { "One", "" });
Test(21, m, "One \"", new[] { "One", "" });
Test(22, m, "1 A=\"B C\"=D 2", new[] { "1", "A=B C=D", "2" });
Test(23, m, "1 A=\"B \\\" C\"=D 2", new[] { "1", "A=B \" C=D", "2" });
Test(24, m, "1 \\A 2", new[] { "1", "\\A", "2" });
Test(25, m, "1 \\\" 2", new[] { "1", "\"", "2" });
Test(26, m, "1 \\\\\" 2", new[] { "1", "\\\"", "2" });
Test(27, m, "\"", new[] { "" });
Test(28, m, "\\\"", new[] { "\"" });
Test(29, m, "'A B'", new[] { "'A", "B'" });
Test(30, m, "^", new[] { "^" });
Test(31, m, "^A", new[] { "A" });
Test(32, m, "^^", new[] { "^" });
Test(33, m, "\\^^", new[] { "\\^" });
Test(34, m, "^\\\\", new[] { "\\\\" });
Test(35, m, "^\"A B\"", new[] { "A B" });
Test(36, m, @"/src:""C:\tmp\Some Folder\Sub Folder"" /users:""abcdefg@hijkl.com"" tasks:""SomeTask,Some Other Task"" -someParam foo", new[] { @"/src:C:\tmp\Some Folder\Sub Folder", @"/users:abcdefg@hijkl.com", @"tasks:SomeTask,Some Other Task", @"-someParam", @"foo" });
Test(37, m, "", new string[] { });
Test(38, m, "a", new[] { "a" });
Test(39, m, " abc ", new[] { "abc" });
Test(40, m, "a b ", new[] { "a", "b" });
Test(41, m, "a b \"c d\"", new[] { "a", "b", "c d" });
Test(42, m, "this is a test ", new[] { "this", "is", "a", "test" });
Test(43, m, "this \"is a\" test", new[] { "this", "is a", "test" });
Test(44, m, "\"C:\\Program Files\"", new[] { "C:\\Program Files" });
Test(45, m, "\"He whispered to her \\\"I love you\\\".\"", new[] { "He whispered to her \"I love you\"." });
nilai "yang diharapkan" berasal dari langsung mengujinya dengan cmd.exe di komputer saya (Win10 x64) dan program cetak sederhana:
static void Main(string[] args) => Console.Out.WriteLine($"Count := {args.Length}\n{string.Join("\n", args.Select((v,i) => $"[{i}] => '{v}'"))}");
Inilah hasilnya:
Solution | Failed Tests
------------------------------|-------------------------------------
Atif Aziz (749653) | 2, 3, 10, 11, 12, 14, 16, 17, 18, 26, 28, 31, 32, 33, 34, 35, 36, 37, 39, 45
Jeffrey L Whitledge (298968) | 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 31, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45
Daniel Earwicker (298990) | 10, 11, 12, 14, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 31, 32, 33, 34, 35, 36, 45
Anton (299795) | 12, 16, 17, 18, 19, 21, 23, 25, 26, 27, 28, 31, 32, 33, 34, 35, 45
CS. (467313) | 12, 18, 19, 21, 27, 31, 32, 33, 34, 35
Vapour in the Alley (2132004) | 10, 11, 12, 14, 16, 17, 20, 21, 22, 23, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 45
Monoman (7774211) | 14, 16, 17, 20, 21, 22, 23, 25, 26, 27, 28, 31, 32, 33, 34, 35, 45
Thomas Petersson (19091999) | 2, 3, 10, 11, 12, 14, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 31, 32, 33, 34, 35, 36, 39, 45
Fabio Iotti (19725880) | 1, 2, 3, 7, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 22, 23, 25, 26, 28, 29, 30, 35, 36, 37, 39, 40, 42, 44, 45
ygoe (23961658) | 26, 31, 32, 33, 34, 35
Kevin Thach (24829691) | 10, 11, 12, 14, 18, 19, 20, 21, 22, 23, 26, 27, 31, 32, 33, 34, 35, 36
Lucas De Jesus (31621370) | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45
HarryP (48008872) | 24, 26, 31, 32, 33, 34, 35
TylerY86 (53290784) | 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 31, 32, 33, 34, 35, 36, 41, 43, 44, 45
Louis Somers (55903304) | 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 39, 41, 43, 44, 45
user2126375 (58233585) | 5, 6, 15, 16, 17, 31, 32, 33, 34, 35
DilipNannaware (59131568) | 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 31, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45
Mikescher (this) | -
Karena tidak ada jawaban yang tampaknya benar (setidaknya berdasarkan kasus penggunaan saya) di sini adalah solusi saya, saat ini lulus semua kasus uji (tetapi jika ada yang memiliki kasus sudut tambahan (gagal), beri komentar):
public static IEnumerable<string> SplitArgs(string commandLine)
{
var result = new StringBuilder();
var quoted = false;
var escaped = false;
var started = false;
var allowcaret = false;
for (int i = 0; i < commandLine.Length; i++)
{
var chr = commandLine[i];
if (chr == '^' && !quoted)
{
if (allowcaret)
{
result.Append(chr);
started = true;
escaped = false;
allowcaret = false;
}
else if (i + 1 < commandLine.Length && commandLine[i + 1] == '^')
{
allowcaret = true;
}
else if (i + 1 == commandLine.Length)
{
result.Append(chr);
started = true;
escaped = false;
}
}
else if (escaped)
{
result.Append(chr);
started = true;
escaped = false;
}
else if (chr == '"')
{
quoted = !quoted;
started = true;
}
else if (chr == '\\' && i + 1 < commandLine.Length && commandLine[i + 1] == '"')
{
escaped = true;
}
else if (chr == ' ' && !quoted)
{
if (started) yield return result.ToString();
result.Clear();
started = false;
}
else
{
result.Append(chr);
started = true;
}
}
if (started) yield return result.ToString();
}
Kode yang saya gunakan untuk menghasilkan hasil tes dapat ditemukan di sini