Implement conversion to double

src/core/desktopfileentry.cpp

@@ -87,6 +87,12 @@ long DesktopFileEntry::asLong() const {
     return lexical_cast<long>(value());
 }
 
+double DesktopFileEntry::asDouble() const {
+    d->assertValueNotEmpty();
+
+    return lexical_cast<double>(value());
+}
+
 std::vector<std::string> DesktopFileEntry::parseStringList() const {
     const auto& value = this->value();
 

src/core/desktopfileentry.h

@@ -58,6 +58,10 @@ public:
     // throws boost::bad_lexical_cast in case of type errors
     long asLong() const;
 
+    // convert value to double
+    // throws boost::bad_lexical_cast in case of type errors
+    double asDouble() const;
+
     // split CSV list value into vector
     // the separator used to split the string is a semicolon as per desktop file spec
     std::vector<std::string> parseStringList() const;