Add a method to import ODF styles via orcus

Change-Id: Id76593bbb9982ec6745737ade800ae669e8e4471

sc/inc/orcusfilters.hxx

@@ -35,6 +35,12 @@ public:
 
     virtual bool importODS(ScDocument& rDoc, SfxMedium& rMedium) const = 0;
 
+    /**
+     * Used to import just the styles from an xml file.
+     */
+
+    virtual bool importODS_Styles(ScDocument& rDoc, OUString& aFileName) const = 0;
+
     /**
      * Create a context for XML file.  The context object stores session
      * information for each unique XML file.  You must create a new context

sc/source/filter/inc/orcusfiltersimpl.hxx

@@ -25,6 +25,8 @@ public:
     virtual bool importXLSX(ScDocument& rDoc, SfxMedium& rMedium) const override;
     virtual bool importODS(ScDocument& rDoc, SfxMedium& rMedium) const override;
 
+    virtual bool importODS_Styles(ScDocument& rDoc, OUString& aFileName) const override;
+
     virtual ScOrcusXMLContext* createXMLContext(ScDocument& rDoc, const OUString& rPath) const override;
 };
 

sc/source/filter/orcus/orcusfiltersimpl.cxx

@@ -17,14 +17,19 @@
 #include <sfx2/frame.hxx>
 #include <sfx2/sfxsids.hrc>
 #include <svl/itemset.hxx>
+#include <rtl/bootstrap.hxx>
+#include <rtl/ustring.hxx>
+#include <comphelper/string.hxx>
 
 #include <orcus/spreadsheet/import_interface.hpp>
 #include <orcus/orcus_csv.hpp>
 #include <orcus/orcus_gnumeric.hpp>
 #include <orcus/orcus_xlsx.hpp>
 #include <orcus/orcus_ods.hpp>
+#include <orcus/orcus_import_ods.hpp>
 #include <orcus/global.hpp>
-
+#include <orcus/stream.hpp>
+#include <orcus/orcus_import_ods.hpp>
 #include <com/sun/star/task/XStatusIndicator.hpp>
 
 #ifdef _WIN32
@@ -142,6 +147,39 @@ bool ScOrcusFiltersImpl::importODS(ScDocument& rDoc, SfxMedium& rMedium) const
     return true;
 }
 
+bool ScOrcusFiltersImpl::importODS_Styles(ScDocument& rDoc, OUString& aFileName) const
+{
+    OUString aPath("$BRAND_BASE_DIR/");  /* Read the comment below before changing this */
+    rtl::Bootstrap::expandMacros(aPath);
+    OUString aValidPath;
+
+    /* The Following loop trims 'file://' from start of string and
+     * '../' from the end of string. If you ever happen to change the above macro
+     * please consider changing the following range too, otherwise app would
+     * crash!!
+     */
+    for (sal_Int32 i = 7; i < aPath.getLength() - 3; ++i)
+        aValidPath += OUString(aPath[i]);
+
+    aValidPath += aFileName;
+    OString aUrl = OUStringToOString(aValidPath, RTL_TEXTENCODING_UTF8);
+    const char* path = aUrl.getStr();
+
+    try
+    {
+        std::string content = orcus::load_file_content(path);
+        ScOrcusStyles styles(rDoc);
+        orcus::import_ods::read_styles(content.c_str(), content.size(), &styles);
+    }
+    catch (const std::exception& e)
+    {
+        SAL_WARN("sc", "Unable to load styles from xml file! " << e.what());
+        return false;
+    }
+
+    return true;
+}
+
 ScOrcusXMLContext* ScOrcusFiltersImpl::createXMLContext(ScDocument& rDoc, const OUString& rPath) const
 {
     return new ScOrcusXMLContextImpl(rDoc, rPath);