Svenska ElektronikForumet

Kod: Markera allt

struct { 
   const BYTE *s;
   const BYTE  tag;
} kom_struct;

kom_struct tabell[] = {
   "Get", 1,
   "Set", 2,

};

Kod: Markera allt

#include "map.h"

#define STRING(x) #x,
#define INDEX(x) Index_##x,

#define COMMANDS(...) \
	enum { MAP(INDEX, __VA_ARGS__) }; \
	const char* Comm_Texts[]={ MAP(STRING, __VA_ARGS__) };

COMMANDS(Get,Set,Date,Time,Interval,Poll,Status,Machine,Effort)

int main(int argc, char**argv)
{
	return 0;
}

Kod: Markera allt

enum { Index_Get, Index_Set, Index_Date, Index_Time, Index_Interval, Index_Poll, Index_Status, Index_Machine, Index_Effort, };
const char* Comm_Texts[]={ "Get", "Set", "Date", "Time", "Interval", "Poll", "Status", "Machine", "Effort", };

int main(int argc, char**argv)
{
 return 0;
}

Kod: Markera allt

#define TEXT_SKVENS 	\
TEXTSELECT( TEXT_PA,	"på"	,	"on")\
TEXTSELECT( TEXT_AV,	"av"	,	"off")\
TEXTSELECT( TEXT_AUTO,	"auto",	"auto")\


#undef  TEXTSELECT
#define TEXTSELECT(symbol, svstr, enstr, ...) #svstr,
const BYTE *texter_se_arr[] = { TEXT_SKVENS };

#undef  TEXTSELECT
#define TEXTSELECT(symbol, svstr, enstr, ...) #enstr,
const BYTE *texter_en_arr[] = { TEXT_SKVENS };

Kod: Markera allt

#define STRING(x) #x,
#define INDEX(x) Index_##x,

#define ITEMS(f) \
	f(Get) \
	f(Set) \
	f(Date) \
	f(Time) \

enum { ITEMS(INDEX) };
const char* Comm_Texts[]={ ITEMS(STRING) };

Kod: Markera allt

commands = ["GET", "SET", "TIME", "DATE"]

Kod: Markera allt

actions = [(gettime, 0), (getdate, 0), (settime, 1), (setdate, 1), (setdatetime, 2), (settimedate, 2)] 

Kod: Markera allt

commandsequences = [(0, 2), (0, 3), (1, 2), (1, 3), (1, 3, 2), (1, 2, 3)]
commandactions = [0,1,2,3,4,5]

Kod: Markera allt

class operator:
	def __init__(self):
		self.time = 0
		self.date = 0


def gettime(obj):
	print("** GET TIME: ", obj.time)
	return obj.time
def getdate(obj):
	print("** GET DATE: ", obj.date)
	return obj.date
def settime(obj, time):
	print("** SET TIME: ", obj.time, "to", time)
	obj.time = time
def setdate(obj, date):
	print("** SET DATE: ", obj.date, "to", date)
	obj.date = date
def setdatetime(obj, date, time):
	print("** SET DATE and TIME:", obj.date, obj.time, "to:", date, time)
def settimedate(obj, time, date):
	print("** SET TIME and DATE:", obj.time, obj.date, "to:", time, date)
# list of commands
commands = ["GET", "SET", "TIME", "DATE"]
# list of function pointers and how many parameters are needed
actions = [(gettime, 0), (getdate, 0), (settime, 1), (setdate, 1), (setdatetime, 2), (settimedate, 2)] 
# list of valid sequences of commands
commandsequences = [(0, 2),
					(0, 3),
					(1, 2),
					(1, 3),
					(1, 3, 2),
					(1, 2, 3)]
commandactions = [0,1,2,3,4,5]

# will be used as upper bound for our search
longest_cmd = 0
for c in commandsequences:
	if len(c) > longest_cmd:
		longest_cmd = len(c)
					
# instance of object to operate on
obj = operator()
# sequence of commands that we get from the user
inputsequence = "UNKNOWN 112 SET GET GET SET GET DATE GET TIME SET TIME SET TIME 123 GET TIME SET DATE 312 GET DATE SET TIME DATE 1337 31337 GET TIME GET DATE SET DATE TIME 123 321 GET TIME GET DATE"

command_seq = inputsequence.split()
cmd_parsed = []
is_param = []
for c in command_seq:
	if c in commands:
		is_param.append(False)
		cmd_parsed.append(commands.index(c))
	else:
		is_param.append(True)
		cmd_parsed.append(c)
cmd_parsed = tuple(cmd_parsed)

# rude parsing without parameter validation
cpos = 0
while cpos < len(cmd_parsed):
	action_called=False
	print("Trying to parse commands from", cpos)
	while is_param[cpos]:
		print("Can not start with argument, skip")
		cpos += 1
	testlen = longest_cmd
	while testlen > 0:
		if action_called:
			cpos -= 1
			break
			
		print("Testing commands of length:", testlen, "from pos:", cpos, "RAW:", command_seq[cpos:cpos+testlen])
		inseq = cmd_parsed[cpos:cpos+testlen]
		if inseq in commandsequences:
			print("Found Command...")
			cpos += testlen
			idx = commandsequences.index(inseq)
			action, nparams = actions[commandactions[idx]]
			if nparams > 0:
				print("...with parameters expected...")
				pfound = 0
				params = []
				while pfound < nparams:
					print("Checking if:", cmd_parsed[cpos], "at:", cpos ,"is a parameter")
					if is_param[cpos]:
						params.append(cmd_parsed[cpos])
						cpos += 1
						pfound += 1
					else:
						# not enough parameters to call command
						# break out of this nicely
						print("Not enough parameters for this command")
						break
				if pfound < nparams:
					continue
				print("Calling command with parameters")
				action(obj, *params)
				action_called = True
				continue
			else:
				print("Calling command without parameters")
				action(obj)
				action_called = True
				continue
		testlen -= 1
	cpos += 1