tdf#158857: [Power Query] export connections.xml

- import&export connections stream
- insert xl/connections.xml reference to [Content_Types].xml
- add Relationship::CONNECTIONS
- add support for xr16 namespace
- add ../customXml/item1.xml relationship to xl/_rels/workbook.xml.rels
- add import&export support for following xml elements in xl/connections.xml:

<connections>
<connection>

<dbPr />

<olapPr />

<webPr> (Web Query Properties)
<tables>
<m />
<s />
<x />
</tables>
</webPr>

<textPr>
<textFields>
<textField />
</textFields>
</textPr>

<parameters>
<parameter />
</parameters>

<extLst>
<ext>
(Any element in any namespace) <- TODO/LATER
</ext>
</extLst>

</connection>
</connections>

Change-Id: I1d1c10675b3fe5ffd6a35f1b91d4b83401be2cae
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/164290
Tested-by: Caolán McNamara <caolan.mcnamara@collabora.com>
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>

6 files changed, 6 insertions, 1 deletions

diff --git a/oox/source/token/namespaces-strict.txt b/oox/source/token/namespaces-strict.txt
index 2b6c53807377..9d9d311f6ce8 100644
--- a/oox/source/token/namespaces-strict.txt
+++ b/oox/source/token/namespaces-strict.txt
@@ -90,6 +90,7 @@ p15                     http://schemas.microsoft.com/office/powerpoint/2012/main
 x12ac                   http://schemas.microsoft.com/office/spreadsheetml/2011/1/ac
 c15                     http://schemas.microsoft.com/office/drawing/2012/chart
 xr2                     http://schemas.microsoft.com/office/spreadsheetml/2015/revision2
+xr16                    http://schemas.microsoft.com/office/spreadsheetml/2017/revision16
 
 # extlst namespaces
 
diff --git a/oox/source/token/namespaces.hxx.tail b/oox/source/token/namespaces.hxx.tail
index 34513e850fe5..1e96938c5217 100644
--- a/oox/source/token/namespaces.hxx.tail
+++ b/oox/source/token/namespaces.hxx.tail
@@ -63,6 +63,7 @@ inline sal_Int32 getNamespace( sal_Int32 nToken ) { return nToken & NMSP_MASK; }
 #define LOEXT_TOKEN( token )    OOX_TOKEN( loext, token )
 #define M_TOKEN(token)          OOX_TOKEN(officeMath, token)
 #define XR2_TOKEN(token)        OOX_TOKEN(xr2, token)
+#define XR16_TOKEN(token)       OOX_TOKEN(xr16, token)
 #define WPC_TOKEN(token)        OOX_TOKEN(wpc, token)
 
 
diff --git a/oox/source/token/namespaces.txt b/oox/source/token/namespaces.txt
index c2e30e0f8421..fe0aa9ce9482 100644
--- a/oox/source/token/namespaces.txt
+++ b/oox/source/token/namespaces.txt
@@ -90,6 +90,7 @@ p15                     http://schemas.microsoft.com/office/powerpoint/2012/main
 x12ac                   http://schemas.microsoft.com/office/spreadsheetml/2011/1/ac
 c15                     http://schemas.microsoft.com/office/drawing/2012/chart
 xr2                     http://schemas.microsoft.com/office/spreadsheetml/2015/revision2
+xr16                    http://schemas.microsoft.com/office/spreadsheetml/2017/revision16
 
 # extlst namespaces
 
diff --git a/oox/source/token/relationship.cxx b/oox/source/token/relationship.cxx
index 602793ba7424..c146a7e0b8c0 100644
--- a/oox/source/token/relationship.cxx
+++ b/oox/source/token/relationship.cxx
@@ -20,7 +20,7 @@ namespace oox
 namespace
 {
 
-constexpr frozen::unordered_map<Relationship, std::u16string_view, 48> constRelationshipMap
+constexpr frozen::unordered_map<Relationship, std::u16string_view, 49> constRelationshipMap
 {
 #include "relationship.inc"
 };
diff --git a/oox/source/token/relationship.inc b/oox/source/token/relationship.inc
index 5b2f16b9264c..11898133eb06 100644
--- a/oox/source/token/relationship.inc
+++ b/oox/source/token/relationship.inc
@@ -4,6 +4,7 @@
 {Relationship::COMMENTS, u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments"},
 {Relationship::COMMENTAUTHORS, u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/commentAuthors"},
 {Relationship::COMMENTSEXTENDED, u"http://schemas.microsoft.com/office/2011/relationships/commentsExtended"},
+{Relationship::CONNECTIONS, u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/connections"},
 {Relationship::CONTROL, u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/control"},
 {Relationship::CTRLPROP, u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/ctrlProp"},
 {Relationship::CUSTOMXML, u"http://schemas.openxmlformats.org/officeDocument/2006/relationships/customXml"},
diff --git a/oox/source/token/tokens.txt b/oox/source/token/tokens.txt
index 47d6b07f2470..a6a656b161b6 100644
--- a/oox/source/token/tokens.txt
+++ b/oox/source/token/tokens.txt
@@ -5857,6 +5857,7 @@ xmlPr
 xmlns
 xpath
 xr2
+xr16
 xrange
 xsc
 xscale