| 0,0 → 1,125 |
|---|
| /* |
| * Copyright (c) 2008 Jiri Svoboda |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup cli cli |
| * @brief Trivial command-line interface for running programs. |
| * @{ |
| */ |
| /** |
| * @file |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <task.h> |
| |
| #define LINE_BUFFER_SIZE 128 |
| static char line_buffer[LINE_BUFFER_SIZE]; |
| |
| #define MAX_ARGS 16 |
| static char *argv_buf[MAX_ARGS + 1]; |
| |
| static void read_line(char *buffer, int n) |
| { |
| char c; |
| int chars; |
| |
| printf("> "); |
| |
| chars = 0; |
| while (chars < n - 1) { |
| c = getchar(); |
| if (c < 0) exit(0); |
| if (c == '\n') break; |
| if (c == '\b') { |
| if (chars > 0) { |
| putchar('\b'); |
| --chars; |
| } |
| continue; |
| } |
| |
| putchar(c); |
| buffer[chars++] = c; |
| } |
| |
| putchar('\n'); |
| buffer[chars] = '\0'; |
| } |
| |
| static void program_run(void) |
| { |
| char *p; |
| int n; |
| |
| p = line_buffer; |
| n = 0; |
| |
| while (n < MAX_ARGS) { |
| argv_buf[n++] = p; |
| p = strchr(p, ' '); |
| if (p == NULL) break; |
| |
| *p++ = '\0'; |
| } |
| argv_buf[n] = NULL; |
| |
| printf("spawn task '%s' with %d args\n", argv_buf[0], n); |
| printf("args:"); |
| int i; |
| for (i = 0; i < n; ++i) { |
| printf(" '%s'", argv_buf[i]); |
| } |
| printf("\n"); |
| |
| task_spawn(argv_buf[0], argv_buf); |
| } |
| |
| |
| int main(int argc, char *argv[]) |
| { |
| printf("This is CLI\n"); |
| |
| while (1) { |
| read_line(line_buffer, LINE_BUFFER_SIZE); |
| printf("'%s'\n", line_buffer); |
| if (strcmp(line_buffer, "exit") == 0) |
| break; |
| |
| if (line_buffer[0] != '\0') |
| program_run(); |
| } |
| |
| printf("Bye\n"); |
| |
| return 0; |
| } |
| |
| /** @} |
| */ |
| |