projinfo: display deprecation info

4 files changed, 81 insertions, 6 deletions

diff --git a/include/proj/common.hpp b/include/proj/common.hpp
index f1e683e7..91756c62 100644
--- a/include/proj/common.hpp
+++ b/include/proj/common.hpp
@@ -277,9 +277,9 @@ using IdentifiedObjectNNPtr = util::nn<IdentifiedObjectPtr>;
  *
  * \remark Implements IdentifiedObject from \ref ISO_19111_2018
  */
-class IdentifiedObject : public util::BaseObject,
-                         public util::IComparable,
-                         public io::IWKTExportable {
+class PROJ_GCC_DLL IdentifiedObject : public util::BaseObject,
+                                      public util::IComparable,
+                                      public io::IWKTExportable {
   public:
     //! @cond Doxygen_Suppress
     PROJ_DLL ~IdentifiedObject() override;
@@ -311,14 +311,14 @@ class IdentifiedObject : public util::BaseObject,
         //! @cond Doxygen_Suppress
         void
         formatID(io::WKTFormatter *formatter) const;
-    void formatRemarks(io::WKTFormatter *formatter) const;
+    PROJ_INTERNAL void formatRemarks(io::WKTFormatter *formatter) const;
 
-    bool
+    PROJ_INTERNAL bool
     _isEquivalentTo(const util::IComparable *other,
                     util::IComparable::Criterion criterion =
                         util::IComparable::Criterion::STRICT) const override;
 
-    bool
+    PROJ_INTERNAL bool
     _isEquivalentTo(const IdentifiedObject *other,
                     util::IComparable::Criterion criterion =
                         util::IComparable::Criterion::STRICT) PROJ_CONST_DECL;
diff --git a/src/projinfo.cpp b/src/projinfo.cpp
index ddcc09da..ba19b8d2 100644
--- a/src/projinfo.cpp
+++ b/src/projinfo.cpp
@@ -37,6 +37,7 @@
 
 #include "projects.h"
 
+#include <proj/common.hpp>
 #include <proj/coordinateoperation.hpp>
 #include <proj/crs.hpp>
 #include <proj/io.hpp>
@@ -45,6 +46,7 @@
 
 #include "proj/internal/internal.hpp" // for split
 
+using namespace NS_PROJ::common;
 using namespace NS_PROJ::crs;
 using namespace NS_PROJ::io;
 using namespace NS_PROJ::metadata;
@@ -201,6 +203,30 @@ static BaseObjectNNPtr buildObject(DatabaseContextPtr dbContext,
 
 static void outputObject(DatabaseContextPtr dbContext, BaseObjectNNPtr obj,
                          const OutputOptions &outputOpt) {
+
+    auto identified = dynamic_cast<const IdentifiedObject *>(obj.get());
+    if (!outputOpt.quiet && identified && identified->isDeprecated()) {
+        std::cout << "Warning: object is deprecated" << std::endl;
+        auto crs = dynamic_cast<const CRS *>(obj.get());
+        if (crs && dbContext) {
+            try {
+                auto list = crs->getNonDeprecated(NN_NO_CHECK(dbContext));
+                if (!list.empty()) {
+                    std::cout << "Alternative non-deprecated CRS:" << std::endl;
+                }
+                for (const auto &altCRS : list) {
+                    const auto &ids = altCRS->identifiers();
+                    if (!ids.empty()) {
+                        std::cout << "  " << *(ids[0]->codeSpace()) << ":"
+                                  << ids[0]->code() << std::endl;
+                    }
+                }
+            } catch (const std::exception &) {
+            }
+        }
+        std::cout << std::endl;
+    }
+
     auto projStringExportable =
         nn_dynamic_pointer_cast<IPROJStringExportable>(obj);
     bool alreadyOutputed = false;
diff --git a/test/cli/testprojinfo b/test/cli/testprojinfo
index 90829fdd..ea0dcc2d 100755
--- a/test/cli/testprojinfo
+++ b/test/cli/testprojinfo
@@ -74,6 +74,10 @@ echo "Testing projinfo -s EPSG:4230 -t EPSG:4258 --area WRONG:CODE --summary" >>
 $EXE -s EPSG:4230 -t EPSG:4258 --area WRONG:CODE --summary >>${OUT} 2>&1
 echo "" >>${OUT}
 
+echo "Testing deprecated CRS: projinfo EPSG:26591" >> ${OUT}
+$EXE EPSG:26591 >>${OUT} 2>&1
+echo "" >>${OUT}
+
 # do 'diff' with distribution results
 echo "diff ${OUT} with testprojinfo_out.dist"
 diff -u ${OUT} ${TEST_CLI_DIR}/testprojinfo_out.dist
diff --git a/test/cli/testprojinfo_out.dist b/test/cli/testprojinfo_out.dist
index 4a760c67..40035489 100644
--- a/test/cli/testprojinfo_out.dist
+++ b/test/cli/testprojinfo_out.dist
@@ -478,3 +478,48 @@ No area of use matching provided name
 Testing projinfo -s EPSG:4230 -t EPSG:4258 --area WRONG:CODE --summary
 Area of use retrieval failed: area not found
 
+Testing deprecated CRS: projinfo EPSG:26591
+Warning: object is deprecated
+Alternative non-deprecated CRS:
+  EPSG:3003
+
+PROJ string:
++proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=longlat +ellps=intl +pm=rome +step +proj=tmerc +lat_0=0 +lon_0=9 +k=0.9996 +x_0=1500000 +y_0=0 +ellps=intl +pm=rome
+
+WKT2_2015 string:
+PROJCRS["Monte Mario (Rome) / Italy zone 1",
+    BASEGEODCRS["Monte Mario (Rome)",
+        DATUM["Monte Mario (Rome)",
+            ELLIPSOID["International 1924",6378388,297,
+                LENGTHUNIT["metre",1]]],
+        PRIMEM["Rome",12.4523333333333,
+            ANGLEUNIT["degree",0.0174532925199433]]],
+    CONVERSION["Italy zone 1",
+        METHOD["Transverse Mercator",
+            ID["EPSG",9807]],
+        PARAMETER["Latitude of natural origin",0,
+            ANGLEUNIT["degree",0.0174532925199433],
+            ID["EPSG",8801]],
+        PARAMETER["Longitude of natural origin",9,
+            ANGLEUNIT["degree",0.0174532925199433],
+            ID["EPSG",8802]],
+        PARAMETER["Scale factor at natural origin",0.9996,
+            SCALEUNIT["unity",1],
+            ID["EPSG",8805]],
+        PARAMETER["False easting",1500000,
+            LENGTHUNIT["metre",1],
+            ID["EPSG",8806]],
+        PARAMETER["False northing",0,
+            LENGTHUNIT["metre",1],
+            ID["EPSG",8807]]],
+    CS[Cartesian,2],
+        AXIS["easting (X)",east,
+            ORDER[1],
+            LENGTHUNIT["metre",1]],
+        AXIS["northing (Y)",north,
+            ORDER[2],
+            LENGTHUNIT["metre",1]],
+    AREA["Italy - west of 12°E"],
+    BBOX[36.53,5.94,47.04,12],
+    ID["EPSG",26591]]
+