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Improve error messages for loop validation (#9838) 

* Improve error messages for loop validation

* added changelog

* Update CHANGELOG
This commit is contained in:
Simon 2019-08-29 12:22:56 +02:00 committed by KVS85
parent d9507f8134
commit c2df414b24
2 changed files with 16 additions and 7 deletions
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2
CHANGELOG
View File

@ -1,6 +1,8 @@
v3.5.1 (XXXX-XX-XX)
-------------------
* Geo functions will now have better error reporting on invalid input.
* The graph viewer of the web interface now tries to find a vertex document of
all available vertex collections before it aborts.

21
lib/Geo/GeoJson.cpp
View File

@ -328,11 +328,14 @@ Result parsePolygon(VPackSlice const& vpack, ShapeContainer& region) {
}
}
}
loops.push_back(std::make_unique<S2Loop>(vtx, S2Debug::DISABLE));
if (!loops.back()->IsValid()) { // will check first and last for us
return Result(TRI_ERROR_BAD_PARAMETER, "Invalid loop in polygon");
S2Error error;
if (loops.back()->FindValidationError(&error)) {
return Result(TRI_ERROR_BAD_PARAMETER,
std::string("Invalid loop in polygon: ").append(error.text()));
}
S2Loop* loop = loops.back().get();
// normalization ensures that point orientation does not matter for Polygon
// type the RFC recommends this for better compatibility
@ -425,8 +428,10 @@ Result parseMultiPolygon(velocypack::Slice const& vpack, ShapeContainer& region)
}
loops.push_back(std::make_unique<S2Loop>(vtx, S2Debug::DISABLE));
if (!loops.back()->IsValid()) { // will check first and last for us
return Result(TRI_ERROR_BAD_PARAMETER, "Invalid loop in polygon");
S2Error error;
if (loops.back()->FindValidationError(&error)) {
return Result(TRI_ERROR_BAD_PARAMETER,
std::string("Invalid loop in polygon: ").append(error.text()));
}
S2Loop* loop = loops.back().get();
// normalization ensures that CCW orientation does not matter for Polygon
@ -562,8 +567,10 @@ Result parseLoop(velocypack::Slice const& coords, bool geoJson, S2Loop& loop) {
vertices.resize(vertices.size() - 1); // remove redundant last vertex
}
loop.Init(vertices);
if (!loop.IsValid()) { // will check first and last for us
return Result(TRI_ERROR_BAD_PARAMETER, "Invalid GeoJSON loop");
S2Error error;
if (loop.FindValidationError(&error)) {
return Result(TRI_ERROR_BAD_PARAMETER,
std::string("Invalid loop: ").append(error.text()));
}
loop.Normalize();