speed up startup time

by avoid conversion of static locale data from sal_Unicode to OUString
data - we can declare the data as OUStringConstExpr arrays and then
no conversion is necessary.

Change-Id: Idd27071c1200d6ced2c4f43e10310df786fbc8fe
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/153125
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

4 files changed, 32 insertions, 13 deletions

diff --git a/i18npool/source/localedata/LocaleNode.cxx b/i18npool/source/localedata/LocaleNode.cxx
index 7b7dbd56c446..7531afa5aff2 100644
--- a/i18npool/source/localedata/LocaleNode.cxx
+++ b/i18npool/source/localedata/LocaleNode.cxx
@@ -2294,7 +2294,7 @@ void LCOutlineNumberingLevelNode::generateCode (const OFileWriter &of) const
     OUString useLocale =   getAttr().getValueByName("ref");
     if (!useLocale.isEmpty()) {
         useLocale = useLocale.replace( '-', '_');
-        of.writeRefFunction3("getOutlineNumberingLevels_", useLocale);
+        of.writeOUStringRefFunction3("getOutlineNumberingLevels_", useLocale);
         return;
     }
 
@@ -2331,7 +2331,7 @@ void LCOutlineNumberingLevelNode::generateCode (const OFileWriter &of) const
             {
                 const char* name = attr[k];
                 OUString   value = q.getValueByName( name );
-                of.writeParameter("outline", name, value,
+                of.writeOUStringLiteralParameter("outline", name, value,
                         sal::static_int_cast<sal_Int16>(i),
                         sal::static_int_cast<sal_Int16>(j) );
             }
@@ -2372,7 +2372,7 @@ void LCOutlineNumberingLevelNode::generateCode (const OFileWriter &of) const
     {
         for( sal_Int32 j=0; j<nLevels.back(); j++ )
         {
-            of.writeAsciiString("static const sal_Unicode* outline");
+            of.writeAsciiString("static constexpr rtl::OUStringConstExpr outline");
             of.writeAsciiString("Style");
             of.writeInt( sal::static_int_cast<sal_Int16>(i) );
             of.writeAsciiString("Level");
@@ -2387,7 +2387,7 @@ void LCOutlineNumberingLevelNode::generateCode (const OFileWriter &of) const
                 of.writeInt( sal::static_int_cast<sal_Int16>(j) );
                 of.writeAsciiString(", ");
             }
-            of.writeAsciiString("NULL };\n");
+            of.writeAsciiString(" };\n");
         }
     }
 
@@ -2396,8 +2396,7 @@ void LCOutlineNumberingLevelNode::generateCode (const OFileWriter &of) const
 
     for( sal_Int32 i=0; i<nStyles; i++ )
     {
-        of.writeAsciiString("static const sal_Unicode** outline");
-        of.writeAsciiString( "Style" );
+        of.writeAsciiString("static constexpr rtl::OUStringConstExpr const * outlineStyle" );
         of.writeInt( sal::static_int_cast<sal_Int16>(i) );
         of.writeAsciiString("[] = { ");
 
@@ -2413,7 +2412,7 @@ void LCOutlineNumberingLevelNode::generateCode (const OFileWriter &of) const
     }
     of.writeAsciiString("\n");
 
-    of.writeAsciiString("static const sal_Unicode*** LCOutlineNumberingLevelsArray[] = {\n" );
+    of.writeAsciiString("static constexpr rtl::OUStringConstExpr const * const * LCOutlineNumberingLevelsArray[] = {\n" );
     for( sal_Int32 i=0; i<nStyles; i++ )
     {
         of.writeAsciiString( "\t" );
@@ -2422,7 +2421,7 @@ void LCOutlineNumberingLevelNode::generateCode (const OFileWriter &of) const
         of.writeAsciiString(",\n");
     }
     of.writeAsciiString("\tNULL\n};\n\n");
-    of.writeFunction3("getOutlineNumberingLevels_", "outlineNbOfStyles", "outlineNbOfLevelsPerStyle",
+    of.writeOUStringFunction3("getOutlineNumberingLevels_", "outlineNbOfStyles", "outlineNbOfLevelsPerStyle",
             "outlineNbOfAttributesPerLevel", "LCOutlineNumberingLevelsArray");
 }
 
diff --git a/i18npool/source/localedata/LocaleNode.hxx b/i18npool/source/localedata/LocaleNode.hxx
index f5c9072265a3..cedd3711fa78 100644
--- a/i18npool/source/localedata/LocaleNode.hxx
+++ b/i18npool/source/localedata/LocaleNode.hxx
@@ -54,7 +54,9 @@ public:
     void  writeRefFunction2(const char *func, std::u16string_view useLocale) const;
     void  writeOUStringRefFunction2(const char *func, std::u16string_view useLocale) const;
     void  writeFunction3(const char *func, const char *style, const char* levels, const char* attr, const char *array) const;
+    void  writeOUStringFunction3(const char *func, const char *style, const char* levels, const char* attr, const char *array) const;
     void  writeRefFunction3(const char *func, std::u16string_view useLocale) const;
+    void  writeOUStringRefFunction3(const char *func, std::u16string_view useLocale) const;
     void  writeIntParameter(const char* pAsciiStr, const sal_Int16 count, sal_Int16 val) const;
     void  writeOUStringLiteralIntParameter(const char* pAsciiStr, const sal_Int16 count, sal_Int16 val) const;
     bool  writeDefaultParameter(const char* pAsciiStr, std::u16string_view str, sal_Int16 count) const;
diff --git a/i18npool/source/localedata/filewriter.cxx b/i18npool/source/localedata/filewriter.cxx
index a2ec7a1ea72d..9aaa27bbb47f 100644
--- a/i18npool/source/localedata/filewriter.cxx
+++ b/i18npool/source/localedata/filewriter.cxx
@@ -176,6 +176,15 @@ void OFileWriter::writeFunction3(const char *func, const char *style, const char
     fprintf(m_f, "\treturn %s;\n}\n", array);
 }
 
+void OFileWriter::writeOUStringFunction3(const char *func, const char *style, const char* levels, const char* attr, const char *array) const
+{
+    fprintf(m_f, "const OUString ***  SAL_CALL %s%s( sal_Int16& nStyles, sal_Int16& nLevels, sal_Int16& nAttributes )\n{\n", func, theLocale.c_str());
+    fprintf(m_f, "\tnStyles     = %s;\n", style);
+    fprintf(m_f, "\tnLevels     = %s;\n", levels);
+    fprintf(m_f, "\tnAttributes = %s;\n", attr);
+    fprintf(m_f, "\treturn (const OUString ***) %s;\n}\n", array);
+}
+
 void OFileWriter::writeRefFunction3(const char *func, std::u16string_view useLocale) const
 {
     OString aRefLocale( OUStringToOString(useLocale, RTL_TEXTENCODING_ASCII_US) );
@@ -185,6 +194,15 @@ void OFileWriter::writeRefFunction3(const char *func, std::u16string_view useLoc
     fprintf(m_f, "\treturn %s%s(nStyles, nLevels, nAttributes);\n}\n", func, locale);
 }
 
+void OFileWriter::writeOUStringRefFunction3(const char *func, std::u16string_view useLocale) const
+{
+    OString aRefLocale( OUStringToOString(useLocale, RTL_TEXTENCODING_ASCII_US) );
+    const char* locale = aRefLocale.getStr();
+    fprintf(m_f, "extern const OUString ****  SAL_CALL %s%s(sal_Int16& nStyles, sal_Int16& nLevels, sal_Int16& nAttributes);\n", func, locale);
+    fprintf(m_f, "const OUString ****  SAL_CALL %s%s(sal_Int16& nStyles, sal_Int16& nLevels, sal_Int16& nAttributes)\n{\n", func, theLocale.c_str());
+    fprintf(m_f, "\treturn %s%s(nStyles, nLevels, nAttributes);\n}\n", func, locale);
+}
+
 void OFileWriter::writeIntParameter(const char* pAsciiStr, const sal_Int16 count, sal_Int16 val) const
 {
     fprintf(m_f, "static const sal_Unicode %s%d[] = {%d};\n", pAsciiStr, count, val);
diff --git a/i18npool/source/localedata/localedata.cxx b/i18npool/source/localedata/localedata.cxx
index 5d7fabc727da..6408740885f3 100644
--- a/i18npool/source/localedata/localedata.cxx
+++ b/i18npool/source/localedata/localedata.cxx
@@ -44,7 +44,7 @@ using namespace com::sun::star;
 
 typedef OUString const * (* MyFuncOUString_Type)( sal_Int16&);
 typedef OUString const ** (* MyFunc_Type2)( sal_Int16&, sal_Int16& );
-typedef sal_Unicode const **** (* MyFunc_Type3)( sal_Int16&, sal_Int16&, sal_Int16& );
+typedef OUString const *** (* MyFunc_Type3)( sal_Int16&, sal_Int16&, sal_Int16& );
 typedef OUString const * (* MyFunc_FormatCode)( sal_Int16&, sal_Unicode const *&, sal_Unicode const *& );
 
 #ifndef DISABLE_DYNLOADING
@@ -1327,20 +1327,20 @@ LocaleDataImpl::getOutlineNumberingLevels( const lang::Locale& rLocale )
         sal_Int16 nStyles;
         sal_Int16 nLevels;
         sal_Int16 nAttributes;
-        sal_Unicode const **** p0 = func( nStyles, nLevels, nAttributes );
+        OUString const *** p0 = func( nStyles, nLevels, nAttributes );
 
         Sequence< Reference<container::XIndexAccess> > aRet( nStyles );
         auto aRetRange = asNonConstRange(aRet);
-        sal_Unicode const **** pStyle = p0;
+        OUString const *** pStyle = p0;
         for( i=0;  i<nStyles;  i++ )
         {
             int j;
 
             std::unique_ptr<OutlineNumberingLevel_Impl[]> level(new OutlineNumberingLevel_Impl[ nLevels+1 ]);
-            sal_Unicode const *** pLevel = pStyle[i];
+            OUString const ** pLevel = pStyle[i];
             for( j = 0;  j < nLevels;  j++ )
             {
-                sal_Unicode const ** pAttribute = pLevel[j];
+                OUString const * pAttribute = pLevel[j];
                 for( int k=0; k<nAttributes; k++ )
                 {
                     OUString tmp( pAttribute[k] );