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-rw-r--r--0.4.0/paludis/qa/whitespace_check.cc123
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diff --git a/0.4.0/paludis/qa/whitespace_check.cc b/0.4.0/paludis/qa/whitespace_check.cc
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--- /dev/null
+++ b/0.4.0/paludis/qa/whitespace_check.cc
@@ -0,0 +1,123 @@
+/* vim: set sw=4 sts=4 et foldmethod=syntax : */
+
+/*
+ * Copyright (c) 2006 Ciaran McCreesh <ciaran.mccreesh@blueyonder.co.uk>
+ *
+ * This file is part of the Paludis package manager. Paludis is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU General
+ * Public License version 2, as published by the Free Software Foundation.
+ *
+ * Paludis 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, write to the Free Software Foundation, Inc., 59 Temple
+ * Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <fstream>
+#include <paludis/qa/whitespace_check.hh>
+#include <paludis/util/is_file_with_extension.hh>
+
+using namespace paludis;
+using namespace paludis::qa;
+
+WhitespaceCheck::WhitespaceCheck()
+{
+}
+
+CheckResult
+WhitespaceCheck::operator() (const FSEntry & f) const
+{
+ CheckResult result(f, identifier());
+
+ if (! f.is_regular_file())
+ result << Message(qal_skip, "Not a regular file");
+ else if (! IsFileWithExtension(".ebuild")(f.basename()) &&
+ ! IsFileWithExtension(".xml")(f.basename()) &&
+ ! IsFileWithExtension(".eclass")(f.basename()))
+ result << Message(qal_skip, "Not an ebuild, eclass or xml file");
+ else
+ {
+ std::ifstream ff(stringify(f).c_str());
+ if (! ff)
+ result << Message(qal_major, "Can't read file");
+ else
+ {
+ std::string s;
+ unsigned line_number(0);
+ unsigned err_count(0);
+ while (std::getline(ff, s))
+ {
+ if (err_count >= 3)
+ {
+ result << Message(qal_info, "Skipping further whitespace checks");
+ break;
+ }
+
+ ++line_number;
+
+ if (s.empty())
+ continue;
+
+ if (' ' == s.at(0))
+ {
+ result << Message(qal_minor, "Spaces for indenting on line "
+ + stringify(line_number));
+ ++err_count;
+ continue;
+ }
+
+ if ('\t' == s.at(0))
+ {
+ std::string::size_type p(s.find_first_not_of("\t"));
+ if (std::string::npos == p)
+ {
+ result << Message(qal_minor, "Indent followed by no content on line "
+ + stringify(line_number));
+ ++err_count;
+ continue;
+ }
+
+ if (' ' == s.at(p))
+ {
+ result << Message(qal_minor, "Mixed spaces and tabs on line "
+ + stringify(line_number));
+ ++err_count;
+ continue;
+ }
+
+ p = s.find(p, '\t');
+ if (std::string::npos != p)
+ {
+ result << Message(qal_minor, "Non-indent tab found on line "
+ + stringify(line_number));
+ ++err_count;
+ continue;
+ }
+ }
+
+ if (' ' == s.at(s.length() - 1) || '\t' == s.at(s.length() - 1))
+ {
+ result << Message(qal_minor, "Trailing whitespace found on line "
+ + stringify(line_number));
+ ++err_count;
+ continue;
+ }
+ }
+ }
+ }
+
+ return result;
+}
+
+const std::string &
+WhitespaceCheck::identifier()
+{
+ static const std::string id("whitespace");
+ return id;
+}
+
+