Add basic source formatting tools

1 files changed, 45 insertions, 0 deletions

diff --git a/tools/bs-align b/tools/bs-align
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index 0000000..6582298
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+++ b/tools/bs-align
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+#!/usr/bin/env python
+# -*- encoding: utf-8
+##    bs-align.py - Filter to align trailing line continuations
+##
+##    Copyright ©2013 Ben Longbons <b.r.longbons@gmail.com>
+##
+##    This file is part of The Mana World (Athena server)
+##
+##    This program is free software: you can redistribute it and/or modify
+##    it under the terms of the GNU General Public License as published by
+##    the Free Software Foundation, either version 3 of the License, or
+##    (at your option) any later version.
+##
+##    This program is distributed in the hope that it will be useful,
+##    but WITHOUT ANY WARRANTY; without even the implied warranty of
+##    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+##    GNU General Public License for more details.
+##
+##    You should have received a copy of the GNU General Public License
+##    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Settings.
+pad = 1
+align = 4
+min_col = 8
+
+import sys
+
+lines = []
+
+for line in sys.stdin:
+    if line.endswith('\\\n'):
+        lines.append(line[:-2].rstrip())
+        continue
+    if lines:
+        # TODO: correctly handle tabs and multibyte characters
+        tlen = max(len(l) for l in lines) + pad
+        if tlen < min_col:
+            tlen = min_col
+        elif tlen % align:
+            tlen += align - tlen % align
+        for l in lines:
+            sys.stdout.writelines([l, ' ' * (tlen - len(l)), '\\\n'])
+        del lines[:]
+    sys.stdout.write(line)