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author | Zachary T Welch <zw@superlucidity.net> | 2009-11-11 08:20:09 -0800 |
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committer | Zachary T Welch <zw@superlucidity.net> | 2009-11-11 12:15:39 -0800 |
commit | a1a3ee579ca8485f7840c7140e4a006f83b797d2 (patch) | |
tree | 4d8804130390e670033e76b97aef45cdb694777c | |
parent | 2d3cc1eac126990c5cd4ca8a47b0c09814dc1e5c (diff) | |
download | openocd+libswd-a1a3ee579ca8485f7840c7140e4a006f83b797d2.tar.gz openocd+libswd-a1a3ee579ca8485f7840c7140e4a006f83b797d2.tar.bz2 openocd+libswd-a1a3ee579ca8485f7840c7140e4a006f83b797d2.tar.xz openocd+libswd-a1a3ee579ca8485f7840c7140e4a006f83b797d2.zip |
eliminate duplicate helptext management
Add helpers to manage adding entries to the helptext list.
Adds support for arbitrarily nested commands.
-rw-r--r-- | src/helper/command.c | 61 |
1 files changed, 30 insertions, 31 deletions
diff --git a/src/helper/command.c b/src/helper/command.c index 86158d72..a4ac4af0 100644 --- a/src/helper/command.c +++ b/src/helper/command.c @@ -162,6 +162,32 @@ static int script_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv) return (retval == ERROR_OK)?JIM_OK:JIM_ERR; } +static Jim_Obj *command_name_list(struct command_s *c) +{ + Jim_Obj *cmd_list = c->parent ? + command_name_list(c->parent) : + Jim_NewListObj(interp, NULL, 0); + Jim_ListAppendElement(interp, cmd_list, + Jim_NewStringObj(interp, c->name, -1)); + + return cmd_list; +} + +static void command_helptext_add(Jim_Obj *cmd_list, const char *help) +{ + Jim_Obj *cmd_entry = Jim_NewListObj(interp, NULL, 0); + Jim_ListAppendElement(interp, cmd_entry, cmd_list); + Jim_ListAppendElement(interp, cmd_entry, + Jim_NewStringObj(interp, help ? : "", -1)); + + /* accumulate help text in Tcl helptext list. */ + Jim_Obj *helptext = Jim_GetGlobalVariableStr(interp, + "ocd_helptext", JIM_ERRMSG); + if (Jim_IsShared(helptext)) + helptext = Jim_DuplicateObj(interp, helptext); + Jim_ListAppendElement(interp, helptext, cmd_entry); +} + /* nice short description of source file */ #define __THIS__FILE__ "command.c" @@ -179,8 +205,6 @@ command_t* register_command(command_context_t *context, command_t *parent, char c->children = NULL; c->handler = handler; c->mode = mode; - if (!help) - help=""; c->next = NULL; /* place command in tree */ @@ -233,24 +257,8 @@ command_t* register_command(command_context_t *context, command_t *parent, char free((void *)full_name); - /* accumulate help text in Tcl helptext list. */ - Jim_Obj *helptext = Jim_GetGlobalVariableStr(interp, "ocd_helptext", JIM_ERRMSG); - if (Jim_IsShared(helptext)) - helptext = Jim_DuplicateObj(interp, helptext); - Jim_Obj *cmd_entry = Jim_NewListObj(interp, NULL, 0); - - Jim_Obj *cmd_list = Jim_NewListObj(interp, NULL, 0); - - /* maximum of two levels :-) */ - if (c->parent != NULL) - { - Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, c->parent->name, -1)); - } - Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, c->name, -1)); + command_helptext_add(command_name_list(c), help); - Jim_ListAppendElement(interp, cmd_entry, cmd_list); - Jim_ListAppendElement(interp, cmd_entry, Jim_NewStringObj(interp, help, -1)); - Jim_ListAppendElement(interp, helptext, cmd_entry); return c; } @@ -851,20 +859,11 @@ void register_jim(struct command_context_s *cmd_ctx, const char *name, int (*cmd { Jim_CreateCommand(interp, name, cmd, NULL, NULL); - /* FIX!!! it would be prettier to invoke add_help_text... - * accumulate help text in Tcl helptext list. */ - Jim_Obj *helptext = Jim_GetGlobalVariableStr(interp, "ocd_helptext", JIM_ERRMSG); - if (Jim_IsShared(helptext)) - helptext = Jim_DuplicateObj(interp, helptext); - - Jim_Obj *cmd_entry = Jim_NewListObj(interp, NULL, 0); - Jim_Obj *cmd_list = Jim_NewListObj(interp, NULL, 0); - Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, name, -1)); + Jim_ListAppendElement(interp, cmd_list, + Jim_NewStringObj(interp, name, -1)); - Jim_ListAppendElement(interp, cmd_entry, cmd_list); - Jim_ListAppendElement(interp, cmd_entry, Jim_NewStringObj(interp, help, -1)); - Jim_ListAppendElement(interp, helptext, cmd_entry); + command_helptext_add(cmd_list, help); } /* return global variable long value or 0 upon failure */ |