Unsigned integer support for attributes (as_uint, operator=)

git-svn-id: http://pugixml.googlecode.com/svn/trunk@101 99668b35-9821-0410-8761-19e4c4f06640

2 files changed, 31 insertions, 0 deletions

diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index fbb95f1..e0d74aa 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -1676,6 +1676,13 @@ namespace pugi
 		return atoi(_attr->value);

 	}

 

+	unsigned int xml_attribute::as_uint() const

+	{

+		if(empty() || !_attr->value) return 0;

+		int result = atoi(_attr->value);

+		return result < 0 ? 0 : static_cast<unsigned int>(result);

+	}

+

 	double xml_attribute::as_double() const

 	{

 		if(empty() || !_attr->value) return 0.0;

@@ -1740,6 +1747,14 @@ namespace pugi
 		return *this;

 	}

 

+	xml_attribute& xml_attribute::operator=(unsigned int rhs)

+	{

+		char buf[128];

+		sprintf(buf, "%u", rhs);

+		set_value(buf);

+		return *this;

+	}

+

 	xml_attribute& xml_attribute::operator=(double rhs)

 	{

 		char buf[128];

diff --git a/src/pugixml.hpp b/src/pugixml.hpp
index 6adbeca..5b317e2 100644
--- a/src/pugixml.hpp
+++ b/src/pugixml.hpp
@@ -459,6 +459,14 @@ namespace pugi
 		int as_int() const;
 
 		/**
+		 * Cast attribute value as unsigned int.
+		 *
+		 * \return attribute value as unsigned int, or 0 if conversion did not succeed or attribute is empty
+		 * \note values out of non-negative int range (usually [0, 2^31-1]) get clamped to range boundaries
+		 */
+		unsigned int as_uint() const;
+
+		/**
 		 * Cast attribute value as double.
 		 *
 		 * \return attribute value as double, or 0.0 if conversion did not succeed or attribute is empty
@@ -506,6 +514,14 @@ namespace pugi
          * \param rhs - new attribute value
          * \return self
          */
+		xml_attribute& operator=(unsigned int rhs);
+
+		/**
+         * Set attribute value to \a rhs.
+         *
+         * \param rhs - new attribute value
+         * \return self
+         */
 		xml_attribute& operator=(double rhs);
 		
 		/**