File:  [ELWIX - Embedded LightWeight unIX -] / libaitcli / inc / aitcli.h
Revision 1.1.1.1.2.3: download - view: text, annotated - select for diffs - revision graph
Mon Apr 19 23:02:47 2010 UTC (14 years, 3 months ago) by misho
Branches: cli1_0
Diff to: branchpoint 1.1.1.1: preferred, unified
added terminal type

    1: /*************************************************************************
    2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
    3: *  by Michael Pounov <misho@openbsd-bg.org>
    4: *
    5: * $Author: misho $
    6: * $Id: aitcli.h,v 1.1.1.1.2.3 2010/04/19 23:02:47 misho Exp $
    7: *
    8: *************************************************************************/
    9: #ifndef __AITCLI_H
   10: #define __AITCLI_H
   11: 
   12: 
   13: struct tagCLICmd {
   14: 	const char *cmd_name;
   15: 	int (*cmd_func)(void *, int, FILE *, char **);
   16: 	const char *cmd_doc;
   17: 	const char *cmd_help;
   18: 	char *(*cmd_comp)(const char *, int);
   19: };
   20: 
   21: typedef struct tagCLICmd cliCommands_t;
   22: typedef char *cli_CompEntry_t(const char *, int);
   23: typedef char **cli_Completion_t(const char *, int, int);
   24: 
   25: 
   26: // cli_GetErrno() Get error code of last operation
   27: inline int cli_GetErrno();
   28: // cli_GetError() Get error text of last operation
   29: inline const char *cli_GetError();
   30: 
   31: /*
   32:  * cli_Printf() Printf CLI features
   33:  * @out = Output stream
   34:  * @csFormat = Printf format string
   35:  * return: none
   36: */
   37: inline int cli_Printf(FILE *out, const char *csFormat, ...);
   38: 
   39: /*
   40:  * cliTTY() Initialize I/O TTY CLI features
   41:  * @term = terminal name
   42:  * @inp = input handle
   43:  * @out = output handle
   44:  * return: none
   45: */
   46: inline void cliTTY(const char *term, FILE *inp, FILE *out);
   47: /*
   48:  * cliComp() Initialize completion CLI features
   49:  * @cmdComplete = Completion function
   50:  * @cmdEntry = Compentry function
   51:  * return: none
   52: */
   53: inline void cliComp(cli_Completion_t *cmdComplete, cli_CompEntry_t *cmdEntry);
   54: /*
   55:  * cliExec() Execute CLI main loop
   56:  * @cmdList = Commands list
   57:  * @csPrompt = Prompt text
   58:  * return: -1 error, 0 = exit w/^+D, 1 done.
   59: */
   60: int cliExec(cliCommands_t *cmdList, const char *csPrompt);
   61: 
   62: 
   63: /*
   64:  * cli_PrintHelp() Helper print for missing command arguments
   65:  * @out = Output stream
   66:  * @cmds = Commands list
   67:  * @idx = Selected command ID
   68:  * return: -1 error, !=-1 ok
   69:  * return: none
   70: */
   71: inline int cli_PrintHelp(FILE *out, void *cmds, int idx);
   72: 
   73: /*
   74:  * cli_Cmd_Unsupported() Builtin helper function for unsupported commands
   75:  * @cmds = Commands list
   76:  * @idx = Selected command ID
   77:  * @out = Output handle
   78:  * @args = Parsed arguments array
   79:  * return: -1 error, 0 = ok, 1 exit from Cli!
   80: */
   81: int cli_Cmd_Unsupported(void *cmds, int idx, FILE *out, char ** __restrict args);
   82: /*
   83:  * cli_Cmd_Help() Builtin helper function for Help screen
   84:  * @cmds = Commands list
   85:  * @idx = Selected command ID
   86:  * @out = Output handle
   87:  * @args = Parsed arguments array
   88:  * return: -1 error, 0 = ok
   89: */
   90: int cli_Cmd_Help(void *cmds, int idx, FILE *out, char ** __restrict args);
   91: /*
   92:  * cli_Cmd_Exit() Builtin helper function for Exit from Cli
   93:  * @cmds = Commands list
   94:  * @idx = Selected command ID
   95:  * @out = Output handle
   96:  * @args = Parsed arguments array
   97:  * return: 1 exit from Cli!
   98: */
   99: int cli_Cmd_Exit(void *cmds, int idx, FILE *out, char ** __restrict args);
  100: 
  101: 
  102: /*
  103:  * cli_Register_Commands - Declare helper function for register and export Commands variable
  104: */
  105: #define CLI_REGISTER_COMMANDS(CMDS)	\
  106: 	extern cliCommands_t CMDS[];
  107: /*
  108:  * cli_Make_Comp_Commands - Declare helper function for Commands completion arguments
  109: */
  110: #define CLI_MAKE_COMP_COMMANDS(FUNC, CMDS)	\
  111: 	char *FUNC(const char *text, int state) \
  112: 	{ \
  113: 		register int i; \
  114: 		int len = strlen(text); \
  115: 		for (i = state; CMDS[i].cmd_name; i++) { \
  116: 			if (strncmp(CMDS[i].cmd_name, "---", 3) && \
  117: 					!strncmp(CMDS[i].cmd_name, text, len)) \
  118: 				return strdup(CMDS[i].cmd_name); \
  119: 		} \
  120: 		return NULL; \
  121: 	}
  122: 
  123: /*
  124:  * cli_Make_Comp_Args - Declare helper function for Arguments completion
  125: */
  126: #define CLI_MAKE_COMP_ARGS(FUNC, ARGS)	\
  127: 	char *FUNC(const char *text __attribute__((unused)), int state) \
  128: 	{ \
  129: 		while (ARGS[state]) \
  130: 			return strdup(ARGS[state]); \
  131: 		return NULL; \
  132: 	}
  133: 
  134: /*
  135:  * cli_Comp_Filename() Builtin helper function for filename completion arguments
  136:  * @text = Text line
  137:  * @state = Position state
  138:  * return: NULL not found filename, != NULL filename
  139: */
  140: char *cli_Comp_Filename(const char *text, int state);
  141: 
  142: 
  143: #endif

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>