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JIM: document "echo" command 

Document "-n" option in manual;
Modify "echo" command definition as COMMAND_HANDLER to
easily add help message
Add help message aligned with manual.

Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
__archive__
Antonio Borneo 2010-11-08 15:13:28 +08:00 committed by Øyvind Harboe
parent d220e22e63
commit 4747af362d
2 changed files with 16 additions and 10 deletions
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3
doc/openocd.texi
View File

@ -5446,9 +5446,10 @@ file (which is normally the server's standard output).
@xref{Running}. @xref{Running}.
@end deffn @end deffn
@deffn Command echo message @deffn Command echo [-n] message
Logs a message at "user" priority. Logs a message at "user" priority.
Output @var{message} to stdout. Output @var{message} to stdout.
Option "-n" suppresses trailing newline.
@example @example
echo "Downloading kernel -- please wait" echo "Downloading kernel -- please wait"
@end example @end example

23
src/helper/command.c
View File

@ -777,19 +777,16 @@ static int jim_find(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
return JIM_OK; return JIM_OK;
} }
static int jim_echo(Jim_Interp *interp, int argc, Jim_Obj *const *argv) COMMAND_HANDLER(jim_echo)
{ {
const char *str; if (CMD_ARGC == 2 && !strcmp(CMD_ARGV[0], "-n"))
str = Jim_GetString(argv[1], NULL);
if (argc == 3 && !strcmp(str, "-n"))
{ {
str = Jim_GetString(argv[2], NULL); LOG_USER_N("%s", CMD_ARGV[1]);
LOG_USER_N("%s", str);
return JIM_OK; return JIM_OK;
} }
if (argc != 2) if (CMD_ARGC != 1)
return JIM_ERR; return JIM_ERR;
LOG_USER("%s", str); LOG_USER("%s", CMD_ARGV[0]);
return JIM_OK; return JIM_OK;
} }
@ -1261,6 +1258,15 @@ static const struct command_registration command_subcommand_handlers[] = {
}; };
static const struct command_registration command_builtin_handlers[] = { static const struct command_registration command_builtin_handlers[] = {
{
.name = "echo",
.handler = jim_echo,
.mode = COMMAND_ANY,
.help = "Logs a message at \"user\" priority. "
"Output message to stdout. "
"Option \"-n\" suppresses trailing newline",
.usage = "[-n] string",
},
{ {
.name = "add_help_text", .name = "add_help_text",
.handler = handle_help_add_command, .handler = handle_help_add_command,
@ -1364,7 +1370,6 @@ struct command_context* command_init(const char *startup_tcl, Jim_Interp *interp
Jim_NewStringObj(interp, HostOs , strlen(HostOs))); Jim_NewStringObj(interp, HostOs , strlen(HostOs)));
Jim_CreateCommand(interp, "ocd_find", jim_find, NULL, NULL); Jim_CreateCommand(interp, "ocd_find", jim_find, NULL, NULL);
Jim_CreateCommand(interp, "echo", jim_echo, NULL, NULL);
Jim_CreateCommand(interp, "capture", jim_capture, NULL, NULL); Jim_CreateCommand(interp, "capture", jim_capture, NULL, NULL);
register_commands(context, NULL, command_builtin_handlers); register_commands(context, NULL, command_builtin_handlers);