/*
- * (C) Copyright 2014, 2016 Leo C. <erbl259-lmu@yahoo.de>
+ * (C) Copyright 2014, 2016, 2018 Leo C. <erbl259-lmu@yahoo.de>
*
* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#include "command.h"
#include "common.h"
-#include <stdlib.h>
-#include <string.h>
#include <ctype.h>
#include <setjmp.h>
#include "env.h"
#include "debug.h"
+#define DEBUG_CMD 1 /* set to 1 to debug */
+
+#define debug_cmd(fmt, args...) \
+ debug_cond(DEBUG_CMD, fmt, ##args)
+
jmp_buf cmd_jbuf;
int count = 0;
while (p->name != NULL) {
- p++; count++;
+ if (p->subcmd) {
+ cmd_tbl_t *sub = p->subcmd;
+ while (sub->name != NULL) {
+ if (sub->flags & CTBL_SUBCMDAUTO)
+ count++;
+ sub++;
+ }
+ }
+ if ((p->flags & CTBL_SUBCMDAUTO) == 0)
+ count++;
+ p++;
}
return count;
}
/*
* find command table entry for a command
*/
-typedef struct {
- size_t len;
- uint_fast8_t level;
- bool opt_debug;
- } find_cmd_para_t;
-
-cmd_tbl_t *_find_cmd (const char *cmd, cmd_tbl_t *table, find_cmd_para_t *para)
-{
- cmd_tbl_t *cmdtp_ret = NULL;
- uint_fast8_t n_found = 0, sub_found = 0;
-
- for (cmd_tbl_t *cmdtp = table; cmdtp->name != NULL; cmdtp++) {
- if (strncmp_P(cmd, cmdtp->name, para->len) == 0 &&
- (para->opt_debug || !(cmdtp->flags & CTBL_DBG))) {
- if (para->len == strlen_P(cmdtp->name))
- return cmdtp; /* full match */
-
- cmdtp_ret = cmdtp; /* abbreviated command ? */
- n_found++;
- } else if (cmdtp->subcmd && cmdtp->flags & CTBL_SUBCMDAUTO) {
- cmd_tbl_t *sub = _find_cmd(cmd, cmdtp->subcmd, para);
- if (sub) {
- cmdtp_ret = sub;
- ++n_found;
- }
- }
- }
- if (n_found == 1) { /* exactly one match */
- if (sub_found)
- para->level++;
- return cmdtp_ret;
- }
- return NULL; /* not found or ambiguous command */
-}
-
-
-cmd_tbl_t *find_cmd (const char *cmd, cmd_tbl_t *table, uint_fast8_t *cmdlevel)
+cmd_tbl_t *find_cmd (const char *cmd, cmd_tbl_t *table)
{
- find_cmd_para_t para;
-
if (!cmd)
return NULL;
char *optenv = getenv_str(PSTR("cmd"));
- para.level = 0;
- para.opt_debug = optenv && strstr_P(optenv, PSTR("debug")) != NULL;
- para.len = strlen(cmd);
+ uint8_t opt_debug = optenv && strstr_P(optenv, PSTR("debug")) != NULL;
- cmd_tbl_t *cmdtp = _find_cmd(cmd, table, ¶);
-
- if (cmdlevel)
- *cmdlevel = para.level;
- return cmdtp;
-}
+ cmd_tbl_t *cmdtp_ret = NULL;
+ uint_fast8_t n_found = 0;
+ uint_fast8_t len = strlen(cmd);
-cmd_tbl_t *find_cmd_sub(const char *cmd, cmd_tbl_t *table)
-{
- cmd_tbl_t *entry = NULL;
+ for (cmd_tbl_t *cmdtp = table; cmdtp->name != NULL; cmdtp++) {
+ if (cmdtp->subcmd) {
+ for (cmd_tbl_t *sub = cmdtp->subcmd; sub->name != NULL; sub++) {
+ if (sub->flags & CTBL_SUBCMDAUTO &&
+ strncmp_P(cmd, sub->name, len) == 0 &&
+ (opt_debug || !(sub->flags & CTBL_DBG))) {
+ if (len == strlen_P(sub->name))
+ return sub; /* full match */
+ cmdtp_ret = sub; /* abbreviated command ? */
+ ++n_found;
+ }
+ }
+ }
+ if ((cmdtp->flags & CTBL_SUBCMDAUTO) == 0 &&
+ strncmp_P(cmd, cmdtp->name, len) == 0 &&
+ (opt_debug || !(cmdtp->flags & CTBL_DBG))) {
+ if (len == strlen_P(cmdtp->name))
+ return cmdtp; /* full match */
+ cmdtp_ret = cmdtp; /* abbreviated command ? */
+ ++n_found;
+ }
+ }
- for (cmd_tbl_t *tp = get_cmd_tbl_base(table); tp->name && entry == NULL; tp++)
- if (tp->subcmd && tp->flags & CTBL_SUBCMDAUTO)
- entry = find_cmd(cmd, tp->subcmd, NULL);
+ if (n_found == 1)
+ return cmdtp_ret; /* exactly one match */
- return entry;
+ return NULL; /* not found or ambiguous command */
}
/*
/* Make array of commands */
cmd_tbl_t *tp = tbl_start;
- for (int i = 0; i < cmd_items; i++) {
- uint_fast8_t l = strlen_P(tp->name);
- if (l > maxlen_cmd)
- maxlen_cmd = l;
- cmd_list[i] = tp++;
+ int i = 0;
+ while (tp->name != NULL) {
+ if (tp->subcmd) {
+ cmd_tbl_t *sub = tp->subcmd;
+ while (sub->name != NULL) {
+ if (sub->flags & CTBL_SUBCMDAUTO) {
+ uint_fast8_t len = strlen_P(sub->name);
+ if (len > maxlen_cmd)
+ maxlen_cmd = len;
+ cmd_list[i++] = sub;
+ }
+ sub++;
+ }
+ }
+ if ((tp->flags & CTBL_SUBCMDAUTO) == 0) {
+ uint_fast8_t len = strlen_P(tp->name);
+ if (len > maxlen_cmd)
+ maxlen_cmd = len;
+ cmd_list[i++] = tp;
+ }
+ tp++;
}
/* Sort command list */
qsort(cmd_list, cmd_items, sizeof (cmd_tbl_t *), cmpstring_PP);
* command help (long version)
*/
for (uint8_t i = 1; i < argc; ++i) {
- if ((cmdtp = find_cmd(argv[i], tbl_start, NULL)) != NULL &&
- (opt_debug || cmdtp->name[0] != '!')) {
+ if ((cmdtp = find_cmd(argv[i], tbl_start)) != NULL) {
cmd_usage(cmdtp);
} else {
printf_P(PSTR("Unknown command '%s' - try 'help'"
}
-command_ret_t cmd_usage(const FLASH cmd_tbl_t *cmdtp)
+command_ret_t cmd_usage(cmd_tbl_t *cmdtp)
{
// printf("%s - %s\n\n", cmdtp->name, cmdtp->usage);
print_usage_line(cmdtp->name, 0, cmdtp->usage);
{
command_ret_t rc = CMD_RET_SUCCESS;
cmd_tbl_t *cmdtp;
- uint_fast8_t cmdlevel;
/* Look up command in command table */
- cmdtp = find_cmd(argv[0], cmd_tbl, &cmdlevel);
+ cmdtp = find_cmd(argv[0], cmd_tbl);
if (cmdtp != NULL) {
/* Check if this command has subcommands */
if (cmdtp->subcmd && argc > 1) {
/* Look up subcommand in subcommand table */
- cmd_tbl_t *cmdtpsub = find_cmd(argv[1], cmdtp->subcmd, &cmdlevel);
+ cmd_tbl_t *cmdtpsub = find_cmd(argv[1], cmdtp->subcmd);
if (cmdtpsub == NULL) {
printf_P(PSTR("Unknown '%s' subcommand '%s' - try '%s help'\n"), argv[0], argv[1], argv[0]);
return CMD_RET_FAILURE;
++argv;
}
}
-#if 0
- else {
- /* Search subcommands */
- cmdtp = find_cmd_sub(argv[0], cmd_tbl, &cmdlevel);
- }
-#endif
if (cmdtp == NULL) {
printf_P(PSTR("Unknown command '%s' - try 'help'\n"), argv[0]);