From f9ca1b18a4e2a35d51569bd995d89d40a30a8b30 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Thu, 3 Oct 2019 01:43:08 +0200
Subject: [PATCH] add function to escape special characters in strings

---
 src/Base/Tools.cpp | 36 ++++++++++++++++++++++++++++++++++++
 src/Base/Tools.h   |  2 ++
 2 files changed, 38 insertions(+)

diff --git a/src/Base/Tools.cpp b/src/Base/Tools.cpp
index 3c0bfcca1b..4536303e93 100644
--- a/src/Base/Tools.cpp
+++ b/src/Base/Tools.cpp
@@ -192,6 +192,42 @@ std::string Base::Tools::escapedUnicodeToUtf8(const std::string& s)
     return string;
 }
 
+QString Base::Tools::escapeEncodeString(const QString& s)
+{
+    QString result;
+    const int len = s.length();
+    result.reserve(int(len * 1.1));
+    for (int i = 0; i < len; ++i) {
+        if (s.at(i) == QLatin1Char('\\'))
+            result += QLatin1String("\\\\");
+        else if (s.at(i) == QLatin1Char('\"'))
+            result += QLatin1String("\\\"");
+        else if (s.at(i) == QLatin1Char('\''))
+            result += QLatin1String("\\\'");
+        else
+            result += s.at(i);
+    }
+    result.squeeze();
+    return result;
+}
+
+std::string Base::Tools::escapeEncodeString(const std::string& s)
+{
+    std::string result;
+    size_t len = s.size();
+    for (size_t i = 0; i < len; ++i) {
+        if (s.at(i) == '\\')
+            result += "\\\\";
+        else if (s.at(i) == '\"')
+            result += "\\\"";
+        else if (s.at(i) == '\'')
+            result += "\\\'";
+        else
+            result += s.at(i);
+    }
+    return result;
+}
+
 QString Base::Tools::escapeEncodeFilename(const QString& s)
 {
     QString result;
diff --git a/src/Base/Tools.h b/src/Base/Tools.h
index 96ebdc1439..7b0826bcc8 100644
--- a/src/Base/Tools.h
+++ b/src/Base/Tools.h
@@ -285,6 +285,8 @@ struct BaseExport Tools
     static std::string escapedUnicodeFromUtf8(const char *s);
     static std::string escapedUnicodeToUtf8(const std::string& s);
 
+    static QString escapeEncodeString(const QString& s);
+    static std::string escapeEncodeString(const std::string& s);
     static QString escapeEncodeFilename(const QString& s);
     static std::string escapeEncodeFilename(const std::string& s);