mirror of
https://gitee.com/Lamdonn/varch.git
synced 2025-12-07 01:06:41 +08:00
132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
#include "console.h"
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include "kern.h"
|
|
#include "command.h"
|
|
#include "init.h"
|
|
#if defined(_WIN32)
|
|
#include <conio.h>
|
|
#elif defined(__unix)
|
|
#include <termios.h>
|
|
#endif
|
|
|
|
#define CONSOLE_TASK_PERIOD 5
|
|
static task_t console_task = 0;
|
|
|
|
static char input_line[CONSOLE_LINE_MAX] = {0};
|
|
static int base = 0;
|
|
static int end = 0;
|
|
|
|
#if defined(__unix)
|
|
static int kbhit(void)
|
|
{
|
|
struct termios oldt, newt;
|
|
int ch;
|
|
int oldf;
|
|
tcgetattr(STDIN_FILENO, &oldt);
|
|
newt = oldt;
|
|
// newt.c_lflag &= ~ICANON;
|
|
// newt.c_lflag |= ICANON; // Enable canonical mode
|
|
// newt.c_lflag &= ~ECHO; // Cancel echo
|
|
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
|
|
oldf = fcntl(STDIN_FILENO, F_GETFL, 0);
|
|
fcntl(STDIN_FILENO, F_SETFL, oldf | O_NONBLOCK);
|
|
ch = getchar();
|
|
tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
|
|
fcntl(STDIN_FILENO, F_SETFL, oldf);
|
|
if (ch != EOF)
|
|
{
|
|
ungetc(ch, stdin);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
static int delete_input_string(unsigned char num)
|
|
{
|
|
unsigned char i = 0;
|
|
for (i = 0; i < num; i++) putchar('\b');
|
|
for (i = 0; i < num; i++) putchar(' ');
|
|
for (i = 0; i < num; i++) putchar('\b');
|
|
}
|
|
|
|
static int into(int argc, char *argv[])
|
|
{
|
|
int len = 0;
|
|
if (base != 0) return 0;
|
|
if (argc < 2) return 0;
|
|
len = strlen(argv[1]);
|
|
memcpy(input_line, argv[1], len);
|
|
input_line[len++] = ' ';
|
|
base = len;
|
|
return 1;
|
|
}
|
|
|
|
static void console_main(void)
|
|
{
|
|
int c;
|
|
if (!kbhit())
|
|
{
|
|
c = getchar();
|
|
#if CONSOLE_DEBUG == 1
|
|
printf("key = %d\r\n", c);
|
|
#else
|
|
switch (c)
|
|
{
|
|
case 10: // line
|
|
case 13: // return
|
|
{
|
|
if (end != 0) printf("\r\n");
|
|
input_line[end] = 0;
|
|
// printf("input: %s\r\n", input_line);
|
|
command(input_line);
|
|
input_line[base] = 0;
|
|
end = base;
|
|
printf("%s>> ", input_line);
|
|
}break;
|
|
case 8: // backspace
|
|
{
|
|
if (end > base)
|
|
{
|
|
input_line[--end] = 0;
|
|
delete_input_string(1);
|
|
}
|
|
}break;
|
|
case 9: // tab
|
|
{
|
|
|
|
}break;
|
|
case 27: // esc
|
|
{
|
|
base = 0;
|
|
input_line[0] = 0;
|
|
}break;
|
|
case 68: // left
|
|
{
|
|
|
|
}break;
|
|
default:
|
|
{
|
|
input_line[end++] = c;
|
|
}break;
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void console_init(void)
|
|
{
|
|
/* Create task */
|
|
console_task = task_create(CONSOLE_TASK_PERIOD, console_main);
|
|
if (!console_task) return;
|
|
|
|
printf("console init! task<%d>!\r\n", console_task);
|
|
|
|
/* Export into command */
|
|
command_export("into", into);
|
|
}
|
|
init_export_app(console_init);
|