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authorblackhao <13851610112@163.com>2025-08-22 02:51:50 -0500
committerblackhao <13851610112@163.com>2025-08-22 02:51:50 -0500
commit4aab4087dc97906d0b9890035401175cdaab32d4 (patch)
tree4e2e9d88a711ec5b1cfa02e8ac72a55183b99123 /.venv/lib/python3.12/site-packages/pip/_vendor/pygments/modeline.py
parentafa8f50d1d21c721dabcb31ad244610946ab65a3 (diff)
2.0
Diffstat (limited to '.venv/lib/python3.12/site-packages/pip/_vendor/pygments/modeline.py')
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1 files changed, 43 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pip/_vendor/pygments/modeline.py b/.venv/lib/python3.12/site-packages/pip/_vendor/pygments/modeline.py
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+++ b/.venv/lib/python3.12/site-packages/pip/_vendor/pygments/modeline.py
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+"""
+ pygments.modeline
+ ~~~~~~~~~~~~~~~~~
+
+ A simple modeline parser (based on pymodeline).
+
+ :copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
+ :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+__all__ = ['get_filetype_from_buffer']
+
+
+modeline_re = re.compile(r'''
+ (?: vi | vim | ex ) (?: [<=>]? \d* )? :
+ .* (?: ft | filetype | syn | syntax ) = ( [^:\s]+ )
+''', re.VERBOSE)
+
+
+def get_filetype_from_line(l): # noqa: E741
+ m = modeline_re.search(l)
+ if m:
+ return m.group(1)
+
+
+def get_filetype_from_buffer(buf, max_lines=5):
+ """
+ Scan the buffer for modelines and return filetype if one is found.
+ """
+ lines = buf.splitlines()
+ for line in lines[-1:-max_lines-1:-1]:
+ ret = get_filetype_from_line(line)
+ if ret:
+ return ret
+ for i in range(max_lines, -1, -1):
+ if i < len(lines):
+ ret = get_filetype_from_line(lines[i])
+ if ret:
+ return ret
+
+ return None