Restructured termcolor to term module

vlib/term/control.v

@@ -0,0 +1,110 @@
+// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+
+module term
+
+// Sources for ANSI Control Sequences
+// https://github.com/RajeshPatkarInstitute/Panim
+// https://www.gnu.org/software/screen/manual/html_node/Control-Sequences.html
+// https://en.wikipedia.org/wiki/ANSI_escape_code
+
+// Support for Windows
+// https://en.wikipedia.org/wiki/ANSI.SYS
+// #include <windows.h>
+// C.SetConsoleMode(ENABLE_VIRTUAL_TERMINAL_INPUT)
+
+// Setting cursor to the given position
+// x is the x coordinate
+// y is the y coordinate
+pub fn set_cursor_position(x int,y int) {
+    print('\x1b[$y;$x;H')
+}
+
+// n is number of cells
+// direction: A is up / North
+// direction: B is down / South
+// direction: C is forward / East
+// direction: D is backward / West
+pub fn move(n int,direction string) string {
+    return '\x1b[$n$direction'
+}
+
+pub fn cursor_up(n int) {
+    print(move(n,'A'))
+}
+
+pub fn cursor_down(n int) {
+    print(move(n,'B'))
+}
+
+pub fn cursor_forward(n int) {
+    print(move(n,'C'))
+}
+
+pub fn cursor_back(n int) {
+    print(move(n,'D'))
+}
+
+// type: 0 -> current cursor postion to end of the screen
+// type: 1 -> current cursor postion to beginning of the screen
+// type: 2 -> clears entire screen
+// type: 3 -> clears entire screen and also delete scrollback buffer
+pub fn erase_display(t string) {
+    print('\x1b[' + t + 'J')
+}
+
+pub fn erase_toend()
+{
+    erase_display('0')
+}
+
+pub fn erase_tobeg()
+{
+    erase_display('1')
+}
+
+pub fn erase_clear()
+{
+    erase_display('2')
+}
+
+pub fn erase_del_clear()
+{
+    erase_display('3')
+}
+
+// type: 0 -> current cursor postion to end of the line
+// type: 1 -> current cursor postion to beginning of the line
+// type: 2 -> clears entire line
+// Note: Cursor position does not change
+pub fn erase_line(t string) {
+    print('\x1b[' + t + 'K')
+}
+
+pub fn erase_line_toend()
+{
+    erase_line('0')
+}
+
+pub fn erase_line_tobeg()
+{
+    erase_line('1')
+}
+
+pub fn erase_line_clear()
+{
+    erase_line('2')
+}
+
+// Will make cursor appear if not visible
+pub fn show_cursor()
+{
+	print('\x1b[?25h')
+}
+
+// Will make cursor invisible
+pub fn hide_cursor()
+{
+	print('\x1b[?25l')
+}