Rev 3222 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3222 | svoboda | 1 | /* |
| 2 | * Copyright (c) 2008 Jiri Svoboda |
||
| 3 | * All rights reserved. |
||
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * - The name of the author may not be used to endorse or promote products |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 29 | /** @addtogroup cli cli |
||
| 30 | * @brief Trivial command-line interface for running programs. |
||
| 31 | * @{ |
||
| 32 | */ |
||
| 33 | /** |
||
| 34 | * @file |
||
| 35 | */ |
||
| 36 | |||
| 37 | #include <stdio.h> |
||
| 38 | #include <stdlib.h> |
||
| 39 | #include <task.h> |
||
| 40 | |||
| 41 | #define LINE_BUFFER_SIZE 128 |
||
| 42 | static char line_buffer[LINE_BUFFER_SIZE]; |
||
| 43 | |||
| 44 | #define MAX_ARGS 16 |
||
| 45 | static char *argv_buf[MAX_ARGS + 1]; |
||
| 46 | |||
| 47 | static void read_line(char *buffer, int n) |
||
| 48 | { |
||
| 49 | char c; |
||
| 50 | int chars; |
||
| 51 | |||
| 52 | printf("> "); |
||
| 53 | |||
| 54 | chars = 0; |
||
| 55 | while (chars < n - 1) { |
||
| 56 | c = getchar(); |
||
| 57 | if (c < 0) exit(0); |
||
| 58 | if (c == '\n') break; |
||
| 59 | if (c == '\b') { |
||
| 60 | if (chars > 0) { |
||
| 61 | putchar('\b'); |
||
| 62 | --chars; |
||
| 63 | } |
||
| 64 | continue; |
||
| 65 | } |
||
| 66 | |||
| 67 | putchar(c); |
||
| 68 | buffer[chars++] = c; |
||
| 69 | } |
||
| 70 | |||
| 71 | putchar('\n'); |
||
| 72 | buffer[chars] = '\0'; |
||
| 73 | } |
||
| 74 | |||
| 75 | static void program_run(void) |
||
| 76 | { |
||
| 77 | char *p; |
||
| 78 | int n; |
||
| 79 | |||
| 80 | p = line_buffer; |
||
| 81 | n = 0; |
||
| 82 | |||
| 83 | while (n < MAX_ARGS) { |
||
| 84 | argv_buf[n++] = p; |
||
| 85 | p = strchr(p, ' '); |
||
| 86 | if (p == NULL) break; |
||
| 87 | |||
| 88 | *p++ = '\0'; |
||
| 89 | } |
||
| 90 | argv_buf[n] = NULL; |
||
| 91 | |||
| 92 | printf("spawn task '%s' with %d args\n", argv_buf[0], n); |
||
| 93 | printf("args:"); |
||
| 94 | int i; |
||
| 95 | for (i = 0; i < n; ++i) { |
||
| 96 | printf(" '%s'", argv_buf[i]); |
||
| 97 | } |
||
| 98 | printf("\n"); |
||
| 99 | |||
| 100 | task_spawn(argv_buf[0], argv_buf); |
||
| 101 | } |
||
| 102 | |||
| 103 | |||
| 104 | int main(int argc, char *argv[]) |
||
| 105 | { |
||
| 106 | printf("This is CLI\n"); |
||
| 107 | |||
| 108 | while (1) { |
||
| 109 | read_line(line_buffer, LINE_BUFFER_SIZE); |
||
| 110 | printf("'%s'\n", line_buffer); |
||
| 111 | if (strcmp(line_buffer, "exit") == 0) |
||
| 112 | break; |
||
| 113 | |||
| 114 | if (line_buffer[0] != '\0') |
||
| 115 | program_run(); |
||
| 116 | } |
||
| 117 | |||
| 118 | printf("Bye\n"); |
||
| 119 | |||
| 120 | return 0; |
||
| 121 | } |
||
| 122 | |||
| 123 | /** @} |
||
| 124 | */ |
||
| 125 |