From f87c890912ccf60264fe92c220b7707fb237a2e5 Mon Sep 17 00:00:00 2001
From: janrupf <werbung.janrupf@t-online.de>
Date: Mon, 17 Jun 2019 16:38:32 +0200
Subject: GH-1813 Escape # in INI (and better reader)

---
 api/logic/settings/INIFile.cpp | 59 ++++++++++++++----------------------------
 1 file changed, 19 insertions(+), 40 deletions(-)

diff --git a/api/logic/settings/INIFile.cpp b/api/logic/settings/INIFile.cpp
index 42244131..04e9aa2c 100644
--- a/api/logic/settings/INIFile.cpp
+++ b/api/logic/settings/INIFile.cpp
@@ -28,49 +28,20 @@ INIFile::INIFile()
 
 QString INIFile::unescape(QString orig)
 {
-    QString out;
-    QChar prev = 0;
-    for(auto c: orig)
-    {
-        if(prev == '\\')
-        {
-            if(c == 'n')
-                out += '\n';
-            else if (c == 't')
-                out += '\t';
-            else
-                out += c;
-            prev = 0;
-        }
-        else
-        {
-            if(c == '\\')
-            {
-                prev = c;
-                continue;
-            }
-            out += c;
-            prev = 0;
-        }
-    }
-    return out;
+    return orig
+        .replace("\\#", "#")
+        .replace("\\t", "\t")
+        .replace("\\n", "\n")
+        .replace("\\\\", "\\");
 }
 
 QString INIFile::escape(QString orig)
 {
-    QString out;
-    for(auto c: orig)
-    {
-        if(c == '\n')
-            out += "\\n";
-        else if (c == '\t')
-            out += "\\t";
-        else if(c == '\\')
-            out += "\\\\";
-        else
-            out += c;
-    }
-    return out;
+    return orig
+        .replace('\\', "\\\\")
+        .replace('\n', "\\n")
+        .replace('\t', "\\t")
+        .replace('#', "\\#");
 }
 
 bool INIFile::saveFile(QString fileName)
@@ -120,7 +91,15 @@ bool INIFile::loadFile(QByteArray file)
     {
         QString &lineRaw = lines[i];
         // Ignore comments.
-        QString line = lineRaw.left(lineRaw.indexOf('#')).trimmed();
+        int commentIndex = 0;
+        QString line = lineRaw;
+        // Search for comments until no more escaped # are available
+        while((commentIndex = line.indexOf('#', commentIndex + 1)) != -1) {
+            if(commentIndex > 0 && line.at(commentIndex - 1) == '\\') {
+                continue;
+            }
+            line = line.left(lineRaw.indexOf('#')).trimmed();
+        }
 
         int eqPos = line.indexOf('=');
         if (eqPos == -1)
-- 
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