Android: de-duplicate shellquote helpers code in deploy and test tools

Move shellquote helper functions into a common place instead of having a
copy in each tool's code.

Change-Id: I9723c11f894a211864788a7635773610c0fde739
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>

4 files changed, 112 insertions, 144 deletions

diff --git a/src/tools/androiddeployqt/main.cpp b/src/tools/androiddeployqt/main.cpp
index 94496fe61c..7f6a5d30f1 100644
--- a/src/tools/androiddeployqt/main.cpp
+++ b/src/tools/androiddeployqt/main.cpp
@@ -47,6 +47,7 @@
 #include <QMap>
 
 #include <depfile_shared.h>
+#include <shellquote_shared.h>
 
 #include <algorithm>
 
@@ -249,77 +250,6 @@ static const QHash<QByteArray, QByteArray> elfArchitectures = {
     {"x86_64", "x86_64"}
 };
 
-// Copy-pasted from qmake/library/ioutil.cpp
-inline static bool hasSpecialChars(const QString &arg, const uchar (&iqm)[16])
-{
-    for (int x = arg.length() - 1; x >= 0; --x) {
-        ushort c = arg.unicode()[x].unicode();
-        if ((c < sizeof(iqm) * 8) && (iqm[c / 8] & (1 << (c & 7))))
-            return true;
-    }
-    return false;
-}
-
-static QString shellQuoteUnix(const QString &arg)
-{
-    // Chars that should be quoted (TM). This includes:
-    static const uchar iqm[] = {
-        0xff, 0xff, 0xff, 0xff, 0xdf, 0x07, 0x00, 0xd8,
-        0x00, 0x00, 0x00, 0x38, 0x01, 0x00, 0x00, 0x78
-    }; // 0-32 \'"$`<>|;&(){}*?#!~[]
-
-    if (!arg.length())
-        return "\"\""_L1;
-
-    QString ret(arg);
-    if (hasSpecialChars(ret, iqm)) {
-        ret.replace(u'\'', "'\\''"_L1);
-        ret.prepend(u'\'');
-        ret.append(u'\'');
-    }
-    return ret;
-}
-
-static QString shellQuoteWin(const QString &arg)
-{
-    // Chars that should be quoted (TM). This includes:
-    // - control chars & space
-    // - the shell meta chars "&()<>^|
-    // - the potential separators ,;=
-    static const uchar iqm[] = {
-        0xff, 0xff, 0xff, 0xff, 0x45, 0x13, 0x00, 0x78,
-        0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x10
-    };
-
-    if (!arg.length())
-        return "\"\""_L1;
-
-    QString ret(arg);
-    if (hasSpecialChars(ret, iqm)) {
-        // Quotes are escaped and their preceding backslashes are doubled.
-        // It's impossible to escape anything inside a quoted string on cmd
-        // level, so the outer quoting must be "suspended".
-        ret.replace(QRegularExpression("(\\\\*)\""_L1), "\"\\1\\1\\^\"\""_L1);
-        // The argument must not end with a \ since this would be interpreted
-        // as escaping the quote -- rather put the \ behind the quote: e.g.
-        // rather use "foo"\ than "foo\"
-        qsizetype i = ret.length();
-        while (i > 0 && ret.at(i - 1) == u'\\')
-            --i;
-        ret.insert(i, u'"');
-        ret.prepend(u'"');
-    }
-    return ret;
-}
-
-static QString shellQuote(const QString &arg)
-{
-    if (QDir::separator() == u'\\')
-        return shellQuoteWin(arg);
-    else
-        return shellQuoteUnix(arg);
-}
-
 QString architectureFromName(const QString &name)
 {
     QRegularExpression architecture(QStringLiteral("_(armeabi-v7a|arm64-v8a|x86|x86_64).so$"));
@@ -362,8 +292,6 @@ static QString llvmReadobjPath(const Options &options)
                                    options.ndkHost));
 }
 
-
-
 QString fileArchitecture(const Options &options, const QString &path)
 {
     auto arch = architectureFromName(path);
diff --git a/src/tools/androidtestrunner/CMakeLists.txt b/src/tools/androidtestrunner/CMakeLists.txt
index a078913fbf..e4cd663d3a 100644
--- a/src/tools/androidtestrunner/CMakeLists.txt
+++ b/src/tools/androidtestrunner/CMakeLists.txt
@@ -16,6 +16,8 @@ qt_internal_add_tool(${target_name}
         QT_NO_FOREACH
     PUBLIC_LIBRARIES
         Qt::Gui
+    INCLUDE_DIRECTORIES
+        ../shared
 )
 qt_internal_return_unless_building_tools()
 set_target_properties(${target_name} PROPERTIES
diff --git a/src/tools/androidtestrunner/main.cpp b/src/tools/androidtestrunner/main.cpp
index efcc6ed7bc..3b9e53a5a5 100644
--- a/src/tools/androidtestrunner/main.cpp
+++ b/src/tools/androidtestrunner/main.cpp
@@ -39,6 +39,8 @@
 #include <functional>
 #include <thread>
 
+#include <shellquote_shared.h>
+
 #ifdef Q_CC_MSVC
 #define popen _popen
 #define QT_POPEN_READ "rb"
@@ -189,77 +191,6 @@ static bool execCommand(const QString &command, QByteArray *output = nullptr, bo
     return pclose(process) == 0;
 }
 
-// Copy-pasted from qmake/library/ioutil.cpp
-inline static bool hasSpecialChars(const QString &arg, const uchar (&iqm)[16])
-{
-    for (int x = arg.length() - 1; x >= 0; --x) {
-        ushort c = arg.unicode()[x].unicode();
-        if ((c < sizeof(iqm) * 8) && (iqm[c / 8] & (1 << (c & 7))))
-            return true;
-    }
-    return false;
-}
-
-static QString shellQuoteUnix(const QString &arg)
-{
-    // Chars that should be quoted (TM). This includes:
-    static const uchar iqm[] = {
-        0xff, 0xff, 0xff, 0xff, 0xdf, 0x07, 0x00, 0xd8,
-        0x00, 0x00, 0x00, 0x38, 0x01, 0x00, 0x00, 0x78
-    }; // 0-32 \'"$`<>|;&(){}*?#!~[]
-
-    if (!arg.length())
-        return QStringLiteral("\"\"");
-
-    QString ret(arg);
-    if (hasSpecialChars(ret, iqm)) {
-        ret.replace(u'\'', QStringLiteral("'\\''"));
-        ret.prepend(u'\'');
-        ret.append(u'\'');
-    }
-    return ret;
-}
-
-static QString shellQuoteWin(const QString &arg)
-{
-    // Chars that should be quoted (TM). This includes:
-    // - control chars & space
-    // - the shell meta chars "&()<>^|
-    // - the potential separators ,;=
-    static const uchar iqm[] = {
-        0xff, 0xff, 0xff, 0xff, 0x45, 0x13, 0x00, 0x78,
-        0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x10
-    };
-
-    if (!arg.length())
-        return QStringLiteral("\"\"");
-
-    QString ret(arg);
-    if (hasSpecialChars(ret, iqm)) {
-        // Quotes are escaped and their preceding backslashes are doubled.
-        // It's impossible to escape anything inside a quoted string on cmd
-        // level, so the outer quoting must be "suspended".
-        ret.replace(QRegularExpression(QStringLiteral("(\\\\*)\"")), QStringLiteral("\"\\1\\1\\^\"\""));
-        // The argument must not end with a \ since this would be interpreted
-        // as escaping the quote -- rather put the \ behind the quote: e.g.
-        // rather use "foo"\ than "foo\"
-        qsizetype i = ret.length();
-        while (i > 0 && ret.at(i - 1) == u'\\')
-            --i;
-        ret.insert(i, u'"');
-        ret.prepend(u'"');
-    }
-    return ret;
-}
-
-static QString shellQuote(const QString &arg)
-{
-    if (QDir::separator() == u'\\')
-        return shellQuoteWin(arg);
-    else
-        return shellQuoteUnix(arg);
-}
-
 static bool parseOptions()
 {
     QStringList arguments = QCoreApplication::arguments();
diff --git a/src/tools/shared/shellquote_shared.h b/src/tools/shared/shellquote_shared.h
new file mode 100644
index 0000000000..ff264008e5
--- /dev/null
+++ b/src/tools/shared/shellquote_shared.h
@@ -0,0 +1,107 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SHELLQUOTE_SHARED_H
+#define SHELLQUOTE_SHARED_H
+
+#include <QDir>
+#include <QRegularExpression>
+#include <QString>
+
+// Copy-pasted from qmake/library/ioutil.cpp
+inline static bool hasSpecialChars(const QString &arg, const uchar (&iqm)[16])
+{
+    for (int x = arg.length() - 1; x >= 0; --x) {
+        ushort c = arg.unicode()[x].unicode();
+        if ((c < sizeof(iqm) * 8) && (iqm[c / 8] & (1 << (c & 7))))
+            return true;
+    }
+    return false;
+}
+
+static QString shellQuoteUnix(const QString &arg)
+{
+    // Chars that should be quoted (TM). This includes:
+    static const uchar iqm[] = {
+        0xff, 0xff, 0xff, 0xff, 0xdf, 0x07, 0x00, 0xd8,
+        0x00, 0x00, 0x00, 0x38, 0x01, 0x00, 0x00, 0x78
+    }; // 0-32 \'"$`<>|;&(){}*?#!~[]
+
+    if (!arg.length())
+        return QLatin1String("\"\"");
+
+    QString ret(arg);
+    if (hasSpecialChars(ret, iqm)) {
+        ret.replace(QLatin1Char('\''), QLatin1String("'\\''"));
+        ret.prepend(QLatin1Char('\''));
+        ret.append(QLatin1Char('\''));
+    }
+    return ret;
+}
+
+static QString shellQuoteWin(const QString &arg)
+{
+    // Chars that should be quoted (TM). This includes:
+    // - control chars & space
+    // - the shell meta chars "&()<>^|
+    // - the potential separators ,;=
+    static const uchar iqm[] = {
+        0xff, 0xff, 0xff, 0xff, 0x45, 0x13, 0x00, 0x78,
+        0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x10
+    };
+
+    if (!arg.length())
+        return QLatin1String("\"\"");
+
+    QString ret(arg);
+    if (hasSpecialChars(ret, iqm)) {
+        // Quotes are escaped and their preceding backslashes are doubled.
+        // It's impossible to escape anything inside a quoted string on cmd
+        // level, so the outer quoting must be "suspended".
+        ret.replace(QRegularExpression(QLatin1String("(\\\\*)\"")), QLatin1String("\"\\1\\1\\^\"\""));
+        // The argument must not end with a \ since this would be interpreted
+        // as escaping the quote -- rather put the \ behind the quote: e.g.
+        // rather use "foo"\ than "foo\"
+        int i = ret.length();
+        while (i > 0 && ret.at(i - 1) == QLatin1Char('\\'))
+            --i;
+        ret.insert(i, QLatin1Char('"'));
+        ret.prepend(QLatin1Char('"'));
+    }
+    return ret;
+}
+
+static QString shellQuote(const QString &arg)
+{
+    if (QDir::separator() == QLatin1Char('\\'))
+        return shellQuoteWin(arg);
+    else
+        return shellQuoteUnix(arg);
+}
+
+#endif // SHELLQUOTE_SHARED_H