From f06045c2f0145ec2290913fa144cd690e70736fd Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Thu, 6 Dec 2018 21:28:16 +0100
Subject: Add API to retrieve non-deprecated equivalent of an object

---
 src/crs.cpp | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'src/crs.cpp')

diff --git a/src/crs.cpp b/src/crs.cpp
index 6212f561..81e9a300 100644
--- a/src/crs.cpp
+++ b/src/crs.cpp
@@ -603,6 +603,40 @@ CRS::identify(const io::AuthorityFactoryPtr &authorityFactory) const {
 
 // ---------------------------------------------------------------------------
 
+/** \brief Return CRSs that are non-deprecated substitutes for the current CRS.
+ */
+std::list<CRSNNPtr>
+CRS::getNonDeprecated(const io::DatabaseContextNNPtr &dbContext) const {
+    std::list<CRSNNPtr> res;
+    const auto &l_identifiers = identifiers();
+    if (l_identifiers.empty()) {
+        return res;
+    }
+    const char *tableName = nullptr;
+    if (dynamic_cast<const GeodeticCRS *>(this)) {
+        tableName = "geodetic_crs";
+    } else if (dynamic_cast<const ProjectedCRS *>(this)) {
+        tableName = "projected_crs";
+    } else if (dynamic_cast<const VerticalCRS *>(this)) {
+        tableName = "vertical_crs";
+    } else if (dynamic_cast<const CompoundCRS *>(this)) {
+        tableName = "compound_crs";
+    }
+    if (!tableName) {
+        return res;
+    }
+    const auto &id = l_identifiers[0];
+    auto tmpRes =
+        dbContext->getNonDeprecated(tableName, *(id->codeSpace()), id->code());
+    for (const auto &pair : tmpRes) {
+        res.emplace_back(io::AuthorityFactory::create(dbContext, pair.first)
+                             ->createCoordinateReferenceSystem(pair.second));
+    }
+    return res;
+}
+
+// ---------------------------------------------------------------------------
+
 //! @cond Doxygen_Suppress
 
 std::list<std::pair<CRSNNPtr, int>>
-- 
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