second commit

env/lib/python3.11/site-packages/rich/_wrap.py

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+from __future__ import annotations
+
+import re
+from typing import Iterable
+
+from ._loop import loop_last
+from .cells import cell_len, chop_cells
+
+re_word = re.compile(r"\s*\S+\s*")
+
+
+def words(text: str) -> Iterable[tuple[int, int, str]]:
+    """Yields each word from the text as a tuple
+    containing (start_index, end_index, word). A "word" in this context may
+    include the actual word and any whitespace to the right.
+    """
+    position = 0
+    word_match = re_word.match(text, position)
+    while word_match is not None:
+        start, end = word_match.span()
+        word = word_match.group(0)
+        yield start, end, word
+        word_match = re_word.match(text, end)
+
+
+def divide_line(text: str, width: int, fold: bool = True) -> list[int]:
+    """Given a string of text, and a width (measured in cells), return a list
+    of cell offsets which the string should be split at in order for it to fit
+    within the given width.
+
+    Args:
+        text: The text to examine.
+        width: The available cell width.
+        fold: If True, words longer than `width` will be folded onto a new line.
+
+    Returns:
+        A list of indices to break the line at.
+    """
+    break_positions: list[int] = []  # offsets to insert the breaks at
+    append = break_positions.append
+    cell_offset = 0
+    _cell_len = cell_len
+
+    for start, _end, word in words(text):
+        word_length = _cell_len(word.rstrip())
+        remaining_space = width - cell_offset
+        word_fits_remaining_space = remaining_space >= word_length
+
+        if word_fits_remaining_space:
+            # Simplest case - the word fits within the remaining width for this line.
+            cell_offset += _cell_len(word)
+        else:
+            # Not enough space remaining for this word on the current line.
+            if word_length > width:
+                # The word doesn't fit on any line, so we can't simply
+                # place it on the next line...
+                if fold:
+                    # Fold the word across multiple lines.
+                    folded_word = chop_cells(word, width=width)
+                    for last, line in loop_last(folded_word):
+                        if start:
+                            append(start)
+                        if last:
+                            cell_offset = _cell_len(line)
+                        else:
+                            start += len(line)
+                else:
+                    # Folding isn't allowed, so crop the word.
+                    if start:
+                        append(start)
+                    cell_offset = _cell_len(word)
+            elif cell_offset and start:
+                # The word doesn't fit within the remaining space on the current
+                # line, but it *can* fit on to the next (empty) line.
+                append(start)
+                cell_offset = _cell_len(word)
+
+    return break_positions
+
+
+if __name__ == "__main__":  # pragma: no cover
+    from .console import Console
+
+    console = Console(width=10)
+    console.print("12345 abcdefghijklmnopqrstuvwyxzABCDEFGHIJKLMNOPQRSTUVWXYZ 12345")
+    print(chop_cells("abcdefghijklmnopqrstuvwxyz", 10))
+
+    console = Console(width=20)
+    console.rule()
+    console.print("TextualはPythonの高速アプリケーション開発フレームワークです")
+
+    console.rule()
+    console.print("アプリケーションは1670万色を使用でき")