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Utils: Adjust FilePath::relativePath()

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When using the same path for the anchor and the relative path
we end up in an empty path which is conceptually wrong.
Especially when passing such a result directly without further
checking may lead to bad issues.
Return a path containing just the '.' (dot) instead.

Change-Id: I86e1ab91e6610831fc05bd81776d278e9fe10105
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: Jochen Becher <jochen_becher@gmx.de>
Reviewed-by: hjk <hjk@qt.io>
This commit is contained in:
Christian Stenger
2021-08-17 08:49:57 +02:00
parent fd0f6fd5e6
commit 28d2674b54
2 changed files with 12 additions and 6 deletions
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4
src/libs/utils/filepath.cpp
View File

@@ -1043,6 +1043,8 @@ FilePath FilePath::relativePath(const FilePath &anchor) const
return {};
QString relativeFilePath = calcRelativePath(absolutePath, absoluteAnchorPath);
if (!filename.isEmpty()) {
if (relativeFilePath == ".")
relativeFilePath.clear();
if (!relativeFilePath.isEmpty())
relativeFilePath += '/';
relativeFilePath += filename;
@@ -1093,6 +1095,8 @@ QString FilePath::calcRelativePath(const QString &absolutePath, const QString &a
}
++i;
}
if (relativePath.isEmpty())
return QString(".");
return relativePath;
}

14
tests/auto/utils/fileutils/tst_fileutils.cpp
View File

@@ -213,13 +213,13 @@ void tst_fileutils::calcRelativePath_data()
QTest::newRow("empty") << "" << "" << "";
QTest::newRow("leftempty") << "" << "/" << "";
QTest::newRow("rightempty") << "/" << "" << "";
QTest::newRow("root") << "/" << "/" << "";
QTest::newRow("root") << "/" << "/" << ".";
QTest::newRow("simple1") << "/a" << "/" << "a";
QTest::newRow("simple2") << "/" << "/a" << "..";
QTest::newRow("simple3") << "/a" << "/a" << "";
QTest::newRow("extraslash1") << "/a/b/c" << "/a/b/c" << "";
QTest::newRow("extraslash2") << "/a/b/c" << "/a/b/c/" << "";
QTest::newRow("extraslash3") << "/a/b/c/" << "/a/b/c" << "";
QTest::newRow("simple3") << "/a" << "/a" << ".";
QTest::newRow("extraslash1") << "/a/b/c" << "/a/b/c" << ".";
QTest::newRow("extraslash2") << "/a/b/c" << "/a/b/c/" << ".";
QTest::newRow("extraslash3") << "/a/b/c/" << "/a/b/c" << ".";
QTest::newRow("normal1") << "/a/b/c" << "/a/x" << "../b/c";
QTest::newRow("normal2") << "/a/b/c" << "/a/x/y" << "../../b/c";
QTest::newRow("normal3") << "/a/b/c" << "/x/y" << "../../a/b/c";
@@ -246,7 +246,9 @@ void tst_fileutils::relativePath_data()
QTest::addColumn<QString>("anchor");
QTest::addColumn<QString>("result");
QTest::newRow("samedir") << "/" << "/" << "";
QTest::newRow("samedir") << "/" << "/" << ".";
QTest::newRow("samedir_but_file") << "a/b/c/d/file1.txt" << "a/b/c/d" << "file1.txt";
QTest::newRow("samedir_but_file2") << "a/b/c/d" << "a/b/c/d/file1.txt" << ".";
QTest::newRow("dir2dir_1") << "a/b/c/d" << "a/x/y/z" << "../../../b/c/d";
QTest::newRow("dir2dir_2") << "a/b" <<"a/b/c" << "..";
QTest::newRow("file2file_1") << "a/b/c/d/file1.txt" << "a/file3.txt" << "b/c/d/file1.txt";