tools: json: fix missing escaped chars

When client side tries to show the "Macro Security Warning"
message dialog, it fails to parse the JSON objects

Change-Id: Id73c291ddd9cf739d63d69f06094eacb7b43a2f1
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/108287
Tested-by: Jenkins
Reviewed-by: Henry Castro <hcastro@collabora.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/tools/source/misc/json_writer.cxx b/tools/source/misc/json_writer.cxx
index e211d317b9ad..814f6180a85f 100644
--- a/tools/source/misc/json_writer.cxx
+++ b/tools/source/misc/json_writer.cxx
@@ -154,6 +154,27 @@ void JsonWriter::put(const char* pPropName, const OUString& rPropVal)
             *mPos = static_cast<char>(ch);
             ++mPos;
         }
+        else if (ch == '\n')
+        {
+            *mPos = '\\';
+            ++mPos;
+            *mPos = 'n';
+            ++mPos;
+        }
+        else if (ch == '\r')
+        {
+            *mPos = '\\';
+            ++mPos;
+            *mPos = 'r';
+            ++mPos;
+        }
+        else if (ch == '\f')
+        {
+            *mPos = '\\';
+            ++mPos;
+            *mPos = 'f';
+            ++mPos;
+        }
         else if (ch <= 0x7F)
         {
             *mPos = static_cast<char>(ch);