Added tty interactive input.

Signed-off-by: Pavel Kirilin <win10@list.ru>

Cargo.lock

@@ -48,6 +48,8 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "structopt",
+ "term_grid",
+ "termion",
 ]
 
 [[package]]
@@ -169,6 +171,12 @@ version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
 
+[[package]]
+name = "numtoa"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
+
 [[package]]
 name = "proc-macro-error"
 version = "0.4.12"
@@ -213,6 +221,21 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.1.56"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
+
+[[package]]
+name = "redox_termios"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
+dependencies = [
+ "redox_syscall",
+]
+
 [[package]]
 name = "regex"
 version = "1.3.5"
@@ -335,6 +358,27 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "term_grid"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "230d3e804faaed5a39b08319efb797783df2fd9671b39b7596490cb486d702cf"
+dependencies = [
+ "unicode-width",
+]
+
+[[package]]
+name = "termion"
+version = "1.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c22cec9d8978d906be5ac94bceb5a010d885c626c4c8855721a4dbd20e3ac905"
+dependencies = [
+ "libc",
+ "numtoa",
+ "redox_syscall",
+ "redox_termios",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.11.0"