Merge pull request #2053 from postscript-dev/update_XMP_tags_for_IPTC_2021.1

Update XMP tags for IPTC 2021.1

doc/templates/tags-xmp-iptc.html.in

@@ -10,13 +10,11 @@ __index2__
 <h2>IPTC Core schema</h2>
 <p>This schema specifies the IPTC Core XMP properties.
  <ul>
-  <li>Exiv2 keys are <b><code>Xmp.iptc.&lt;Property&gt;</code></b></li>
-  <li>Creator Contact Info sub-keys are nested: <b><code>Xmp.Iptc4xmpCore.CreatorContactInfo/Iptc4xmpCore:&lt;Property&gt;</code></b></li>
+  <li>The Exiv2 keys are either <b><code>Xmp.iptc.&lt;Property&gt;</code></b> or <b><code>Xmp.Iptc4xmpCore.&lt;Property&gt;</code></b></li>
   <li>The schema namespace URI is <b><code>http://iptc.org/std/Iptc4xmpCore/1.0/xmlns/</code></b></li>
   <li>The preferred schema namespace prefix is <b><code>Iptc4xmpCore</code></b></li>
  </ul>
-Reference: <a href="http://www.iptc.org/std/photometadata/specification/IPTC-PhotoMetadata" title="IPTC Core Specification Version 1.2">"IPTC Core" Specification Version 1.2</a></p>
-<p>Note: Exiv2 uses <b><code>iptc</code></b> (rather than <code>Iptc4xmpCore</code>) as the group name for keys of IPTC Core schema properties.</p>
+Reference: <a href="http://www.iptc.org/std/photometadata/specification/IPTC-PhotoMetadata" title="IPTC Core Metadata Schema 1.3 specification">IPTC Core Metadata Schema 1.3 specification</a></p>
 
 <p>Click on a column header to sort the table.</p>
 

doc/templates/tags-xmp-iptcExt.html.in

@@ -13,12 +13,11 @@ __index2__
    of more granular properties and further specialized rights related
    properties from the PLUS metadata schema.
  <ul>
-  <li>Exiv2 keys are <b><code>Xmp.iptcExt.&lt;Property&gt;</code></b></li>
+  <li>The Exiv2 keys are either <b><code>Xmp.iptcExt.&lt;Property&gt;</code></b> or <b><code>Xmp.Iptc4xmpExt.&lt;Property&gt;</code></b></li>
   <li>The schema namespace URI is <b><code>http://iptc.org/std/Iptc4xmpExt/2008-02-29/</code></b></li>
   <li>The preferred schema namespace prefix is <b><code>Iptc4xmpExt</code></b></li>
  </ul>
-Reference: <a href="http://www.iptc.org/std/photometadata/specification/IPTC-PhotoMetadata" title="IPTC Extension Specification Version 1.2">IPTC Extension Specification Version 1.2</a> standard</p>
-<p>Note: Exiv2 uses <b><code>iptcExt</code></b> (rather than <code>Iptc4xmpExt</code>) as the group name for keys of IPTC Extension schema properties.</p>
+Reference: <a href="http://www.iptc.org/std/photometadata/specification/IPTC-PhotoMetadata" title="IPTC Extension Metadata Schema 1.6 specification">IPTC Extension Metadata Schema 1.6 specification</a></p>
 
 <p>Click on a column header to sort the table.</p>
 

src/tags_int.hpp

@@ -345,6 +345,32 @@ namespace Exiv2 {
 //! Shortcut for the printTagVocabulary template which requires typing the array name only once.
 #define EXV_PRINT_VOCABULARY(array) printTagVocabulary<EXV_COUNTOF(array), array>
 
+    template <int N, const TagVocabulary (&array)[N]>
+    std::ostream& printTagVocabularyMulti(std::ostream& os, const Value& value, const ExifData*)
+    {
+        if (value.count() == 0) {
+            os << "(" << value << ")";
+            return os;
+        }
+
+        for (int i=0; i< value.count(); i++) {
+            if (i != 0)
+                os << ", ";
+            const TagVocabulary* td = find(array, value.toString(i));
+            if (td) {
+                os << exvGettext(td->label_);
+            }
+            else {
+                os << "(" << value.toString(i) << ")";
+            }
+        }
+
+        return os;
+    }
+
+//! Shortcut for the printTagVocabularyMulti template which requires typing the array name only once.
+#define EXV_PRINT_VOCABULARY_MULTI(array) printTagVocabularyMulti<EXV_COUNTOF(array), array>
+
 // *****************************************************************************
 // free functions
 

tests/bugfixes/github/test_issue_1959.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+
+from system_tests import CaseMeta, path, check_no_ASAN_UBSAN_errors
+
+class XmpIptcStandardsTest(metaclass=CaseMeta):
+    """
+    Regression test for the issue described in:
+    https://github.com/Exiv2/exiv2/issues/1959
+    """
+    url = "https://github.com/Exiv2/exiv2/issues/1959"
+
+    filename      = path("$data_path/issue_1959_poc.xmp")
+    filename_save = path("$tmp_path/issue_1959_poc.xmp_save.out")
+    filename_out  = path("$data_path/issue_1959_poc.xmp.out")
+    
+    commands = ["$exiv2 -Pkvt $filename > $filename_save", "cmp $filename_save $filename_out"]
+
+    stderr = [""]*2
+    retval = [0]*2
+    compare_stdout = check_no_ASAN_UBSAN_errors

tests/bugfixes/github/test_pr1475_AVIF.py

@@ -73,7 +73,7 @@ class pr_1475_exif_xmp_avif(metaclass=system_tests.CaseMeta):
         stderr = [ "" ] * len(commands)
         stdin  = [ "" ] * len(commands)
         stdout = ["""Exif.Image.DateTime                          Ascii      20  2021:02:13 21:19:50
-Xmp.iptcExt.DigitalSourceType                XmpText    61  http://cv.iptc.org/newscodes/digitalsourcetype/digitalCapture
+Xmp.iptcExt.DigitalSourceType                XmpText    61  Digital capture
 Xmp.iptcExt.LocationCreated                  XmpBag      0  
 Xmp.iptcExt.LocationShown                    XmpBag      0  
 Xmp.iptcExt.ArtworkOrObject                  XmpBag      0  
@@ -268,7 +268,7 @@ class pr_1475_metadata2_avif(metaclass=system_tests.CaseMeta):
         stderr = [ "" ] * len(commands)
         stdin  = [ "" ] * len(commands)
         stdout = ["""Exif.Image.DateTime                          Ascii      20  2021:02:13 21:25:32
-Xmp.iptcExt.DigitalSourceType                XmpText    61  http://cv.iptc.org/newscodes/digitalsourcetype/digitalCapture
+Xmp.iptcExt.DigitalSourceType                XmpText    61  Digital capture
 Xmp.iptcExt.LocationCreated                  XmpBag      0  
 Xmp.iptcExt.LocationShown                    XmpBag      0  
 Xmp.iptcExt.ArtworkOrObject                  XmpBag      0