Re-write mapping system to accomodate infinite map growth.

[plomrogue2] / plomrogue / parser.py

diff --git a/plomrogue/parser.py b/plomrogue/parser.py
index a1b56b571b650431d297badf3f0e4573da731359..d1307a97701d3ef5c5eee6ecc2c16cfcb8d94282 100644 (file)
--- a/plomrogue/parser.py
+++ b/plomrogue/parser.py
@@ -45,16 +45,23 @@ class Parser:
         """Parse yx_string as yx_tuple, return result.
 
         The range_ argument may be 'nonneg' (non-negative, including
-        0) or 'pos' (positive, excluding 0).
+        0) or 'pos' (positive, excluding 0) or 'all'.
 
         """
 
         def get_axis_position_from_argument(axis, token):
-            if len(token) < 3 or token[:2] != axis + ':' or \
-                    not (token[2:].isdigit() or token[2] == '-'):
-                raise ArgError('Non-int arg for ' + axis + ' position.')
-            n = int(token[2:])
-            if n < 1 and range_ == 'pos':
+            if token[:2] != axis + ':':
+                raise ArgError('invalid YX tuple formatting')
+            n_string = token[2:]
+            if n_string.strip() != n_string:
+                raise ArgError('invalid YX tuple formatting')
+            try:
+                n = int(n_string)
+            except ValueError:
+                raise ArgError('non-int value for ' + axis + ' position')
+            if range_ == 'all':
+                return n
+            if n < 1 and range == 'pos':
                 raise ArgError('Arg for ' + axis + ' position < 1.')
             elif n < 0 and range_ == 'nonneg':
                 raise ArgError('Arg for ' + axis + ' position < 0.')
@@ -120,6 +127,8 @@ class Parser:
                 args += [self.parse_yx_tuple(arg, 'nonneg')]
             elif tmpl == 'yx_tuple:pos':
                 args += [self.parse_yx_tuple(arg, 'pos')]
+            elif tmpl == 'yx_tuple':
+                args += [self.parse_yx_tuple(arg, 'all')]
             elif tmpl == string_string:
                 args += [arg]
             elif tmpl[:len(string_string) + 1] == string_string + ':':