Centralized String to bool conversion into the client.

The former XML::getBoolProperty() had a potential memleak
and was unsafe when dealing with unknown values.

Reviewed-by: CodyMartin.

Resolves: Mana-Mantis #213.

3 files changed, 20 insertions, 14 deletions

diff --git a/src/utils/stringutils.cpp b/src/utils/stringutils.cpp
index 4726f8a7..ca03791f 100644
--- a/src/utils/stringutils.cpp
+++ b/src/utils/stringutils.cpp
@@ -155,7 +155,8 @@ bool isWordSeparator(char chr)
     return (chr == ' ' || chr == ',' || chr == '.' || chr == '"');
 }
 
-const std::string findSameSubstring(const std::string &str1, const std::string &str2)
+const std::string findSameSubstring(const std::string &str1,
+                                    const std::string &str2)
 {
     int minLength = str1.length() > str2.length() ? str2.length() : str1.length();
     for (int f = 0; f < minLength; f ++)
@@ -176,16 +177,16 @@ const char* getSafeUtf8String(std::string text)
     return buf;
 }
 
-bool getBoolFromString(const std::string &text)
+bool getBoolFromString(const std::string &text, bool def)
 {
-    std::string txt = text;
-    toLower(trim(txt));
-    if (txt == "true" || txt == "yes" || txt == "on" || txt == "1")
-      return true;
-    else if (txt == "false" || txt == "no" || txt == "off" || txt == "0")
+    std::string a = text;
+    toLower(trim(a));
+    if (a == "true" || a == "1" || a == "on" || a == "yes" || a == "y")
+        return true;
+    if (a == "false" || a == "0" || a == "off" || a == "no" || a == "n")
         return false;
     else
-        return (bool) atoi(txt.c_str());
+        return def;
 }
 
 std::string autocomplete(std::vector<std::string> &candidates,
diff --git a/src/utils/stringutils.h b/src/utils/stringutils.h
index 012ae98f..f032733d 100644
--- a/src/utils/stringutils.h
+++ b/src/utils/stringutils.h
@@ -122,7 +122,8 @@ int compareStrI(const std::string &a, const std::string &b);
 
 bool isWordSeparator(char chr);
 
-const std::string findSameSubstring(const std::string &str1, const std::string &str2);
+const std::string findSameSubstring(const std::string &str1,
+                                    const std::string &str2);
 
 const char* getSafeUtf8String(std::string text);
 
@@ -132,7 +133,7 @@ const char* getSafeUtf8String(std::string text);
  * @param text the string used to get the bool value
  * @return a boolean value..
  */
-bool getBoolFromString(const std::string &text);
+bool getBoolFromString(const std::string &text, bool def = false);
 
 std::string autocomplete(std::vector<std::string> &candidates,
                          std::string base);
diff --git a/src/utils/xml.cpp b/src/utils/xml.cpp
index 2bcb6f24..65eb1370 100644
--- a/src/utils/xml.cpp
+++ b/src/utils/xml.cpp
@@ -32,6 +32,7 @@
 
 #include "resources/resourcemanager.h"
 
+#include "utils/stringutils.h"
 #include "utils/zlib.h"
 
 namespace XML
@@ -135,11 +136,14 @@ namespace XML
 
     bool getBoolProperty(xmlNodePtr node, const char* name, bool def)
     {
+        bool ret = def;
         xmlChar *prop = xmlGetProp(node, BAD_CAST name);
-
-        if (xmlStrEqual(prop, BAD_CAST "true" ) ) return true;
-        if (xmlStrEqual(prop, BAD_CAST "false") ) return false;
-        return def;
+        if (prop)
+        {
+            ret = getBoolFromString((char*) prop, def);
+            xmlFree(prop);
+        }
+        return ret;
     }
 
     xmlNodePtr findFirstChildByName(xmlNodePtr parent, const char *name)