X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=mware%2Fparser.h;h=b4e2f61d4382543553b5a6689c6d5d9c6987f773;hb=HEAD;hp=22cff8b852b38e387675359eb71c428570120781;hpb=bcf38f772b397e7a8ba781a69aacb9380e54b32a;p=bertos.git

diff --git a/mware/parser.h b/mware/parser.h
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-/**
- * \file
- * Copyright 2003, 2006 Develer S.r.l. (http://www.develer.com/)
- * All Rights Reserved.
- *
- * \version $Id$
- *
- * \author Bernardo Innocenti <bernie@develer.com>
- * \author Stefano Fedrigo <aleph@develer.com>
- * \author Giovanni Bajo <rasky@develer.com>
- *
- * \brief serial protocol parser and commands.
- */
-
-/*#*
- *#* $Log$
- *#* Revision 1.3  2006/07/19 12:56:28  bernie
- *#* Convert to new Doxygen style.
- *#*
- *#* Revision 1.2  2006/06/12 21:37:02  marco
- *#* implemented some commands (ver and sleep)
- *#*
- *#* Revision 1.1  2006/06/01 12:27:39  marco
- *#* Added utilities for protocols
- *#*
- *#*/
-
-#ifndef PARSER_H
-#define PARSER_H
-
-#include <drv/ser.h>
-
-/** Max number of arguments and results for each command */
-#define PARSER_MAX_ARGS       8
-
-/**
- * Error generated by the commands through the return code.
- */
-typedef enum
-{
-	RC_ERROR  = -1, ///< Reply with error.
-	RC_OK     = 0,  ///< No reply (ignore reply arguments).
-	RC_REPLY  = 1,   ///< Reply command arguments.
-	RC_SKIP   = 2    ///< Skip following commands
-} ResultCode;
-
-/** union that contains parameters passed to and from commands */
-typedef union { long l; const char *s; } parms;
-/** pointer to commands */
-typedef ResultCode (*CmdFuncPtr)(parms args_results[]);
-
-/**
- * Define a command that can be tokenized by the parser.
- *
- * The format strings are sequences of characters, one for each
- * parameter/result. Valid characters are:
- *
- *  d - a long integer, in decimal format
- *  s - a var string (in RAM)
- *
- * \note To create and fill an instance for this function, it is strongly
- * advised to use \c DECLARE_CMD_HUNK (cmd_hunk.h).
- */
-struct CmdTemplate
-{
-	const char *name;          ///< Name of command
-	const char *arg_fmt;       ///< Format string for the input
-	const char *result_fmt;    ///< Format string for the output
-	CmdFuncPtr func;           ///< Pointer to the handler function
-	uint16_t   flags;          ///< Currently unused.
-};
-
-/**
- * Initialize the parser module
- *
- * \note This function must be called before any other function in this module
- */
-void parser_init(void);
-
-
-/**
- * Register a new command into the parser
- *
- * \param cmd Command template describing the command
- *
- */
-void parser_register_cmd(const struct CmdTemplate* cmd);
-
-
-/**
- * Hook for readline to provide completion support for the commands
- * registered in the parser.
- *
- * \note This is meant to be used with mware/readline.c. See the
- * documentation there for a description of this hook.
- */
-const char* parser_rl_match(void* dummy, const char* word, int word_len);
-
-
-/**
- * \brief Command input handler.
- *
- * Process the input, calling the requested command
- * (if found) and calling printResult() to give out
- * the result (on device specified with parameter fd).
- *
- * \param line Text line to be processed (ASCIIZ)
- *
- * \return true if everything is OK, false in case of errors
- */
-bool parser_process_line(const char* line);
-
-
-/**
- * Execute a command with its arguments, and fetch its results.
- *
- * \param templ Template of the command to be executed
- * \param args Arguments for the command, and will contain the results
- *
- * \return False if the command returned an error, true otherwise
- */
-INLINE bool parser_execute_cmd(const struct CmdTemplate* templ, parms args[PARSER_MAX_ARGS])
-{
-	return (templ->func(args) == 0);
-}
-
-
-/**
- * Find the template for the command contained in the text line.
- * The template can be used to tokenize the command and interpret
- * it.
- *
- * This function can be used to find out which command is contained
- * in a given text line without parsing all the parameters and
- * executing it.
- *
- * \param line Text line to be processed (ASCIIZ)
- *
- * \return The command template associated with the command contained
- * in the line, or NULL if the command is invalid.
- */
-const struct CmdTemplate* parser_get_cmd_template(const char* line);
-
-
-/**
- * Extract the arguments for the command contained in the text line.
- *
- * \param line Text line to be processed (ASCIIZ)
- * \param templ Command template for this line
- * \param args Will contain the extracted parameters
- *
- * \return True if everything OK, false in case of parsing error.
- */
-bool parser_get_cmd_arguments(const char* line, const struct CmdTemplate* templ, parms args[PARSER_MAX_ARGS]);
-
-
-/**
- * Extract the ID from the command text line.
- *
- * \param line Text line to be processed (ASCIIZ)
- * \param ID Will contain the ID extracted.
- *
- * \return True if everything ok, false if there is no ID
- *
- */
-bool parser_get_cmd_id(const char* line, unsigned long* ID);
-
-
-#endif /* PARSER_H */
-