Server/py: Add tokenizer function.

[plomrogue] / plomrogue-server.py

diff --git a/plomrogue-server.py b/plomrogue-server.py
index 012359752506d2bfbcb63b5a92bf78a15d5c0d3d..286d3eb362b86b36707756479680fc1321396f7f 100755 (executable)
--- a/plomrogue-server.py
+++ b/plomrogue-server.py
@@ -36,15 +36,13 @@ def setup_server_io(io_db):
 
 def cleanup_server_io(io_db):
     """Close and remove all files open in IO files DB."""
-    if "file_out" in io_db:
-        io_db["file_out"].close()
-        os.remove(io_db["path_out"])
-    if "file_in" in io_db:
-        io_db["file_in"].close()
-        os.remove(io_db["path_in"])
-    if "file_worldstate" in io_db:
-        io_db["file_worldstate"].close()
-        os.remove(io_db["path_worldstate"])
+    def helper(file_key, path_key):
+        if file_key in io_db:
+            io_db[file_key].close()
+            os.remove(io_db[path_key])
+    helper("file_out", "path_out")
+    helper("file_in", "path_in")
+    helper("file_worldstate", "path_worldstate")
 
 
 def detect_atomic_leftover(path):
@@ -57,31 +55,77 @@ def detect_atomic_leftover(path):
         raise HandledException(msg)
 
 
+def obey(msg):
+    """"""
+    print("Input: " + msg)
+
+
+def tokenize(string):
+    """Divide string by " ", \t and quotes (that also group). Escape with \."""
+    charlist_A = list(string)
+    i = 0
+    for c in charlist_A:
+        if "\\" == c and i < len(charlist_A) - 1:
+            charlist_A[i] = "remove"
+            charlist_A[i + 1] = charlist_A[i + 1] + "_escaped"
+        i = i + 1
+    charlist_B = []
+    for c in charlist_A:
+        if "remove" != c:
+            charlist_B.append(c)
+    in_quotes = 0
+    i = 0
+    for c in charlist_B:
+        if "\"" == c:
+            in_quotes = 0 if in_quotes else 1
+            if i < len(charlist_B) - 1:
+                charlist_B[i] = "separator"
+        elif (not in_quotes) and (" " == c or "\t" == c):
+            charlist_B[i] = "separator"
+        i = i + 1
+    list_of_charlists = [[]]
+    i = 0
+    for c in charlist_B:
+        if "separator" == c:
+            if [] != list_of_charlists[-1]:
+                list_of_charlists.append([])
+                i = i + 1
+        else:
+            list_of_charlists[i].append(c[0])
+    tokens = []
+    for charlist in list_of_charlists:
+        tokens.append("".join(charlist))
+    return tokens
+
+
 io_db = {}
 try:
     parser = argparse.ArgumentParser()
     parser.add_argument('-s', nargs='?', type=int, dest='replay', const=1,
                         action='store')
-    args, unknown = parser.parse_known_args()
-    print("Replay: " + str(args.replay))
-    # print("DUMMY: Obey command-line arguments.")
-    # print("DUMMY: Open files.")
+    opts, unknown = parser.parse_known_args()
     setup_server_io(io_db)
     # print("DUMMY: Run game.")
     path_recordfile = "recordfile"
     path_savefile = "savefile"
     detect_atomic_leftover(path_savefile)
     detect_atomic_leftover(path_recordfile)
-    if os.access(path_savefile, os.F_OK):
+    if None != opts.replay:
+        if opts.replay < 1:
+            opts.replay = 1
+        print("Replay mode. Auto-replaying up to turn " + str(opts.replay) +
+              " (if so late  a turn is to be found).")
+        if not os.access(path_savefile, os.F_OK):
+            raise HandledException("No record file found to replay.")
+    elif os.access(path_savefile, os.F_OK):
         print(open(path_savefile, "r").read())
     else:
         msg = "MAKE_WORLD " + str(int(time.time()))
-        print(msg)
+        obey(msg)
 except SystemExit:
     pass
 except HandledException as exception:
-    print("Error:")
-    print(exception.args[0])
+    print("ABORTING: " + exception.args[0])
 except:
     print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")
     raise