00001
00115 #ifndef MWARE_PARSER_H
00116 #define MWARE_PARSER_H
00117 
00118 #include "cfg/cfg_parser.h"
00119
00120 #include <cpu/types.h>
00121 #include <cfg/debug.h>
00122
00126 typedef enum
00127 {
00128     RC_ERROR  = -1,
00129     RC_OK     = 0,
00130     RC_REPLY  = 1,
00131     RC_SKIP   = 2,
00132     RC_CLAMPED = 3,
00133 } ResultCode;
00134
00135 typedef struct
00136 {
00137     const char *p;
00138     int sz;
00139 } str_parm;
00140
00142 typedef union { long l; str_parm s; } parms;
00144 typedef ResultCode (*CmdFuncPtr)(parms args_results[]);
00145
00158 struct CmdTemplate
00159 {
00160     const char *name;
00161     const char *arg_fmt;
00162     const char *result_fmt;
00163     CmdFuncPtr func;
00164     uint16_t   flags;
00165 };
00166
00167 #define REGISTER_FUNCTION parser_register_cmd
00168 
00174 #define REGISTER_CMD(NAME) \
00175     do { \
00176         if (!REGISTER_FUNCTION(&cmd_ ## NAME ## _template)) \
00177             ASSERT2(0, "Error in registering command, no space left"); \
00178     } while (0)
00179 
00190 #define MAKE_TEMPLATE(NAME, ARGS, RES, FLAGS)          \
00191 const struct CmdTemplate cmd_ ## NAME ## _template =   \
00192 {                                                      \
00193     #NAME, ARGS, RES, cmd_ ## NAME, FLAGS          \
00194 };
00195 
00220 #define MAKE_CMD(NAME, ARGS, RES, BODY, FLAGS)  \
00221 static ResultCode cmd_ ## NAME (parms *args)    \
00222 {                                               \
00223     return (ResultCode)BODY;                \
00224 }                                               \
00225 MAKE_TEMPLATE(NAME, ARGS, RES, FLAGS)
00226 
00232 void parser_init(void);
00233
00234 bool parser_register_cmd(const struct CmdTemplate* cmd);
00235
00236
00244 const char* parser_rl_match(void* dummy, const char* word, int word_len);
00245
00246 bool parser_process_line(const char* line);
00247
00259 INLINE bool parser_execute_cmd(const struct CmdTemplate* templ, parms args[CONFIG_PARSER_MAX_ARGS])
00260 {
00261     return (templ->func(args) == 0);
00262 }
00263
00264 const struct CmdTemplate* parser_get_cmd_template(const char* line);
00265
00266 bool parser_get_cmd_arguments(const char* line, const struct CmdTemplate* templ, parms args[CONFIG_PARSER_MAX_ARGS]);
00267 bool get_word(const char **begin, const char **end);
00268
00269 #if CONFIG_ENABLE_COMPAT_BEHAVIOUR
00270 
00279 bool parser_get_cmd_id(const char* line, unsigned long* ID);
00280 #endif
00281 
00282  // defgroup parser
00284 #endif /* MWARE_PARSER_H */
00285