#542 added universal implementation

arekit/common/text/partitioning.py

@@ -0,0 +1,42 @@
+from collections import Iterable
+
+from arekit.common.bound import Bound
+from arekit.common.text.partitioning.base import BasePartitioning
+
+
+class Partitioning(BasePartitioning):
+ """ NOTE: considering that provided parts
+ has no intersections between each other
+ """
+
+ list_reg_types = {
+ "str": lambda p, item: p.append(item),
+ "list": lambda p, item: p.extend(item)
+ }
+
+ def __init__(self, text_fmt):
+ assert(isinstance(text_fmt, str) and text_fmt in self.list_reg_types)
+ self.__reg_part = self.list_reg_types[text_fmt]
+
+ def provide(self, text, parts_it):
+ assert(isinstance(parts_it, Iterable))
+
+ parts = []
+ start = 0
+
+ for value, bound in parts_it:
+ assert(isinstance(bound, Bound))
+ assert(bound.Position >= start)
+
+ # Release everything till the current value position.
+ self.__reg_part(p=parts, item=text[start:bound.Position])
+
+ # Release the entity value.
+ parts.extend([value])
+
+ start = bound.Position + bound.Length
+
+ # Release everything after the last entity.
+ self.__reg_part(p=parts, item=text[start:len(text)])
+
+ return parts