Adapts TableParameters and its validation to new API

include/engine/api/table_parameters.hpp

@@ -3,6 +3,10 @@
 
 #include "engine/api/base_parameters.hpp"
 
+#include <cstddef>
+
+#include <algorithm>
+#include <iterator>
 #include <vector>
 
 namespace osrm
@@ -14,14 +18,40 @@ namespace api
 
 struct TableParameters : public BaseParameters
 {
-    std::vector<bool> is_source;
-    std::vector<bool> is_destination;
+    std::vector<std::size_t> sources;
+    std::vector<std::size_t> destinations;
 
-    bool IsValid() const;
+    bool IsValid() const
+    {
+        if (!BaseParameters::IsValid())
+            return false;
+
+        // 1/ The user is able to specify duplicates in srcs and dsts, in that case it's her fault
+
+        // 2/ len(srcs) and len(dsts) smaller or equal to len(locations)
+        if (sources.size() > coordinates.size())
+            return false;
+
+        if (destinations.size() > coordinates.size())
+            return false;
+
+        // 3/ 0 <= index < len(locations)
+        const auto is_not_in_range = [](const std::size_t x)
+        {
+            return x >= coordinates.size();
+        };
+
+        if (std::any_of(begin(sources), end(sources), not_in_range))
+            return false;
+
+        if (std::any_of(begin(destinations), end(destinations), not_in_range))
+            return false;
+
+        return true;
+    }
 };
-
 }
 }
 }
 
-#endif // ROUTE_PARAMETERS_HPP
+#endif // ENGINE_API_TABLE_PARAMETERS_HPP