From 503a2b302d9e13b99be4574e5d7b8821dd31504d Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Thu, 28 Jun 2012 21:59:59 +0300
Subject: Add validation for some xml parameters.

---
 src/utils/xml.cpp | 17 +++++++++++++++++
 src/utils/xml.h   |  6 ++++++
 2 files changed, 23 insertions(+)

(limited to 'src/utils')

diff --git a/src/utils/xml.cpp b/src/utils/xml.cpp
index 140da72df..f7350ce92 100644
--- a/src/utils/xml.cpp
+++ b/src/utils/xml.cpp
@@ -122,6 +122,23 @@ namespace XML
         return ret;
     }
 
+    int getIntProperty(XmlNodePtr node, const char* name, int def, int min, int max)
+    {
+        int &ret = def;
+
+        xmlChar *prop = xmlGetProp(node, BAD_CAST name);
+        if (prop)
+        {
+            ret = atoi(reinterpret_cast<char*>(prop));
+            xmlFree(prop);
+        }
+        if (ret < min)
+            ret = min;
+        else if (ret > max)
+            ret = max;
+        return ret;
+    }
+
     double getFloatProperty(XmlNodePtr node, const char* name, double def)
     {
         double &ret = def;
diff --git a/src/utils/xml.h b/src/utils/xml.h
index eb5ee88b0..a4ff7eb2e 100644
--- a/src/utils/xml.h
+++ b/src/utils/xml.h
@@ -85,6 +85,12 @@ namespace XML
      */
     int getProperty(XmlNodePtr node, const char *name, int def);
 
+    /**
+     * Gets an integer property from an XmlNodePtr.
+     */
+    int getIntProperty(XmlNodePtr node, const char* name, int def,
+                       int min, int max);
+
     /**
      * Gets a string property from an XmlNodePtr.
      */
-- 
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