fdo#57950: Remove some chained appends in shell

And remove some *STRINGPARAM macros.

Change-Id: Idebee475e4b383f5f390040515bdfa7c49a24c1d
Reviewed-on: https://gerrit.libreoffice.org/1682
Reviewed-by: Luboš Luňák <l.lunak@suse.cz>
Tested-by: Luboš Luňák <l.lunak@suse.cz>

7 files changed, 57 insertions, 84 deletions

diff --git a/shell/source/backends/gconfbe/gconfaccess.cxx b/shell/source/backends/gconfbe/gconfaccess.cxx
index 205a2cf3f1a9..4705013097f6 100644
--- a/shell/source/backends/gconfbe/gconfaccess.cxx
+++ b/shell/source/backends/gconfbe/gconfaccess.cxx
@@ -57,13 +57,12 @@ GConfClient* getGconfClient()
         GError* aError = NULL;
         if (!gconf_init(0, NULL, &aError))
         {
-            rtl::OUStringBuffer msg;
-            msg.appendAscii("GconfBackend:GconfLayer: Cannot Initialize Gconf connection - " );
-            msg.appendAscii(aError->message);
+            OUString msg("GconfBackend:GconfLayer: Cannot Initialize Gconf connection - " +
+                         OUString::createFromAscii(aError->message));
 
             g_error_free(aError);
             aError = NULL;
-            throw uno::RuntimeException(msg.makeStringAndClear(),NULL);
+            throw uno::RuntimeException(msg, NULL);
         }
 
         mClient = gconf_client_get_default();
@@ -116,13 +115,11 @@ static OUString xdg_user_dir_lookup (const char *type)
     config_home = getenv ("XDG_CONFIG_HOME");
     if (config_home == NULL || config_home[0] == 0)
     {
-        aConfigFileURL = OUString(aHomeDirURL);
-        aConfigFileURL += OUString("/.config/user-dirs.dirs");
+        aConfigFileURL = aHomeDirURL + "/.config/user-dirs.dirs";
     }
     else
     {
-        aConfigFileURL = OUString::createFromAscii(config_home);
-        aConfigFileURL += OUString("/user-dirs.dirs");
+        aConfigFileURL = OUString::createFromAscii(config_home) + "/user-dirs.dirs";
     }
 
     if(osl_File_E_None == osl_openFile(aConfigFileURL.pData, &handle, osl_File_OpenFlag_Read))
@@ -167,8 +164,7 @@ static OUString xdg_user_dir_lookup (const char *type)
                 continue;
             if (relative)
             {
-                aUserDirBuf = OUStringBuffer(aHomeDirURL);
-                aUserDirBuf.appendAscii( RTL_CONSTASCII_STRINGPARAM( "/" ) );
+                aUserDirBuf = OUStringBuffer(aHomeDirURL + "/");
             }
             else
             {
@@ -195,15 +191,11 @@ static OUString xdg_user_dir_lookup (const char *type)
     /* Special case desktop for historical compatibility */
     if (strcmp (type, "DESKTOP") == 0)
     {
-        aUserDirBuf = OUStringBuffer(aHomeDirURL);
-        aUserDirBuf.appendAscii( RTL_CONSTASCII_STRINGPARAM( "/Desktop" ) );
-        return aUserDirBuf.makeStringAndClear();
+        return aHomeDirURL + "/Desktop";
     }
     else
     {
-        aUserDirBuf = OUStringBuffer(aHomeDirURL);
-        aUserDirBuf.appendAscii( RTL_CONSTASCII_STRINGPARAM( "/Documents" ) );
-        return aUserDirBuf.makeStringAndClear();
+        return aHomeDirURL + "/Documents";
     }
 }
 
@@ -277,8 +269,7 @@ uno::Any translateToOOo( const ConfigurationValue &rValue, GConfValue *pGconfVal
                 GSList * list = gconf_value_get_list(pGconfValue);
                 for(; list; list = g_slist_next(list))
                 {
-                    aBuffer.append(gconf_value_get_string((GConfValue *) list->data));
-                    aBuffer.append(";");
+                    aBuffer.append(gconf_value_get_string((GConfValue *) list->data) + OString(";"));
                 }
                 // Remove trailing ";"
                 aBuffer.setLength(aBuffer.getLength()-1);
diff --git a/shell/source/backends/localebe/localebackend.cxx b/shell/source/backends/localebe/localebackend.cxx
index 544cb42d4cf1..5e38f3a66162 100644
--- a/shell/source/backends/localebe/localebackend.cxx
+++ b/shell/source/backends/localebe/localebackend.cxx
@@ -289,14 +289,12 @@ css::uno::Any LocaleBackend::getPropertyValue(
         return css::uno::makeAny(
             css::beans::Optional< css::uno::Any >(
                 true, css::uno::makeAny(getLocale())));
-    } else if (PropertyName.equalsAsciiL(
-                   RTL_CONSTASCII_STRINGPARAM("SystemLocale")))
+    } else if (PropertyName.equals("SystemLocale"))
     {
         return css::uno::makeAny(
             css::beans::Optional< css::uno::Any >(
                 true, css::uno::makeAny(getSystemLocale())));
-    } else if (PropertyName.equalsAsciiL(
-                   RTL_CONSTASCII_STRINGPARAM("UILocale")))
+    } else if (PropertyName.equals("UILocale"))
     {
         return css::uno::makeAny(
             css::beans::Optional< css::uno::Any >(
diff --git a/shell/source/cmdmail/cmdmailentry.cxx b/shell/source/cmdmail/cmdmailentry.cxx
index a0de1f3a2ef1..4448d1d01692 100644
--- a/shell/source/cmdmail/cmdmailentry.cxx
+++ b/shell/source/cmdmail/cmdmailentry.cxx
@@ -62,11 +62,11 @@ SAL_DLLPUBLIC_EXPORT void* SAL_CALL cmdmail_component_getFactory(
 
     if (0 == ::rtl_str_compare( pImplName, COMP_IMPL_NAME ))
     {
-        OUString serviceName( RTL_CONSTASCII_USTRINGPARAM(COMP_SERVICE_NAME) );
+        OUString serviceName(COMP_SERVICE_NAME);
 
         xFactory = ::cppu::createSingleComponentFactory(
             createInstance,
-            OUString( RTL_CONSTASCII_USTRINGPARAM(COMP_IMPL_NAME) ),
+            OUString( COMP_IMPL_NAME ),
             Sequence< OUString >( &serviceName, 1 ) );
     }
 
diff --git a/shell/source/cmdmail/cmdmailsuppl.cxx b/shell/source/cmdmail/cmdmailsuppl.cxx
index d64f0d10e002..c12bf984f22b 100644
--- a/shell/source/cmdmail/cmdmailsuppl.cxx
+++ b/shell/source/cmdmail/cmdmailsuppl.cxx
@@ -71,7 +71,7 @@ namespace // private
     Sequence< OUString > SAL_CALL Component_getSupportedServiceNames()
     {
         Sequence< OUString > aRet(1);
-        aRet[0] = OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.system.SimpleCommandMail"));
+        aRet[0] = "com.sun.star.system.SimpleCommandMail";
         return aRet;
     }
 
@@ -114,45 +114,38 @@ void SAL_CALL CmdMailSuppl::sendSimpleMailMessage( const Reference< XSimpleMailM
 {
     if ( ! xSimpleMailMessage.is() )
     {
-        throw ::com::sun::star::lang::IllegalArgumentException(
-            OUString(RTL_CONSTASCII_USTRINGPARAM( "No message specified" )),
+        throw ::com::sun::star::lang::IllegalArgumentException( "No message specified" ,
             static_cast < XSimpleMailClient * > (this), 1 );
     }
 
     if( ! m_xConfigurationProvider.is() )
     {
-        throw ::com::sun::star::uno::Exception(
-            OUString(RTL_CONSTASCII_USTRINGPARAM( "Can not access configuration" )),
+        throw ::com::sun::star::uno::Exception( "Can not access configuration" ,
             static_cast < XSimpleMailClient * > (this) );
     }
 
-    OStringBuffer aBuffer;
-    aBuffer.append("\"");
 
-    OUString aProgramURL(RTL_CONSTASCII_USTRINGPARAM("$BRAND_BASE_DIR/program/senddoc"));
+    OUString aProgramURL("$BRAND_BASE_DIR/program/senddoc");
     rtl::Bootstrap::expandMacros(aProgramURL);
 
     OUString aProgram;
     if ( FileBase::E_None != FileBase::getSystemPathFromFileURL(aProgramURL, aProgram))
     {
-        throw ::com::sun::star::uno::Exception(
-            OUString(RTL_CONSTASCII_USTRINGPARAM("Cound not convert executable path")),
+        throw ::com::sun::star::uno::Exception("Cound not convert executable path",
             static_cast < XSimpleMailClient * > (this));
     }
 
-    aBuffer.append(OUStringToOString(aProgram, osl_getThreadTextEncoding()));
-    aBuffer.append("\" ");
+    OStringBuffer aBuffer("\"" + OUStringToOString(aProgram, osl_getThreadTextEncoding()) + "\" ");
 
     try
     {
         // Query XNameAccess interface of the org.openoffice.Office.Common/ExternalMailer
         // configuration node to retriece the users preferred email application. This may
         // transparently by redirected to e.g. the corresponding GConf setting in GNOME.
-        OUString aConfigRoot = OUString(
-            RTL_CONSTASCII_USTRINGPARAM( "org.openoffice.Office.Common/ExternalMailer" ) );
+        OUString aConfigRoot = "org.openoffice.Office.Common/ExternalMailer";
 
         PropertyValue aProperty;
-        aProperty.Name = OUString(RTL_CONSTASCII_USTRINGPARAM("nodepath"));
+        aProperty.Name = OUString("nodepath");
         aProperty.Value = makeAny( aConfigRoot );
 
         Sequence< Any > aArgumentList( 1 );
@@ -161,7 +154,7 @@ void SAL_CALL CmdMailSuppl::sendSimpleMailMessage( const Reference< XSimpleMailM
         Reference< XNameAccess > xNameAccess =
             Reference< XNameAccess > (
                 m_xConfigurationProvider->createInstanceWithArguments(
-                    OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.configuration.ConfigurationAccess")),
+                    OUString("com.sun.star.configuration.ConfigurationAccess"),
                     aArgumentList ),
                 UNO_QUERY );
 
@@ -171,16 +164,15 @@ void SAL_CALL CmdMailSuppl::sendSimpleMailMessage( const Reference< XSimpleMailM
 
             // Retrieve the value for "Program" node and append it feed senddoc with it
             // using the (undocumented) --mailclient switch
-            xNameAccess->getByName( OUString(RTL_CONSTASCII_USTRINGPARAM("Program")) ) >>= aMailer;
+            xNameAccess->getByName( OUString("Program") ) >>= aMailer;
 
             if( !aMailer.isEmpty() )
             {
                 // make sure we have a system path
                 FileBase::getSystemPathFromFileURL( aMailer, aMailer );
 
-                aBuffer.append("--mailclient ");
-                aBuffer.append(OUStringToOString( aMailer, osl_getThreadTextEncoding() ));
-                aBuffer.append(" ");
+                aBuffer.append("--mailclient " + OUStringToOString( aMailer, osl_getThreadTextEncoding() ) +
+                               " ");
             }
 #ifdef MACOSX
             else
@@ -201,17 +193,17 @@ void SAL_CALL CmdMailSuppl::sendSimpleMailMessage( const Reference< XSimpleMailM
     // Append originator if set in the message
     if ( !xSimpleMailMessage->getOriginator().isEmpty() )
     {
-        aBuffer.append("--from \"");
-        aBuffer.append(OUStringToOString(xSimpleMailMessage->getOriginator(), osl_getThreadTextEncoding()));
-        aBuffer.append("\" ");
+        aBuffer.append("--from \"" +
+                        OUStringToOString(xSimpleMailMessage->getOriginator(), osl_getThreadTextEncoding()) +
+                       "\" ");
     }
 
     // Append receipient if set in the message
     if ( !xSimpleMailMessage->getRecipient().isEmpty() )
     {
-        aBuffer.append("--to \"");
-        aBuffer.append(OUStringToOString(xSimpleMailMessage->getRecipient(), osl_getThreadTextEncoding()));
-        aBuffer.append("\" ");
+        aBuffer.append("--to \"" +
+                       OUStringToOString(xSimpleMailMessage->getRecipient(), osl_getThreadTextEncoding()) +
+                       "\" ");
     }
 
     // Append carbon copy receipients set in the message
@@ -219,9 +211,9 @@ void SAL_CALL CmdMailSuppl::sendSimpleMailMessage( const Reference< XSimpleMailM
     sal_Int32 n, nmax = aStringList.getLength();
     for ( n = 0; n < nmax; n++ )
     {
-        aBuffer.append("--cc \"");
-        aBuffer.append(OUStringToOString(aStringList[n], osl_getThreadTextEncoding()));
-        aBuffer.append("\" ");
+        aBuffer.append("--cc \"" +
+                       OUStringToOString(aStringList[n], osl_getThreadTextEncoding()) +
+                       "\" ");
     }
 
     // Append blind carbon copy receipients set in the message
@@ -229,17 +221,17 @@ void SAL_CALL CmdMailSuppl::sendSimpleMailMessage( const Reference< XSimpleMailM
     nmax = aStringList.getLength();
     for ( n = 0; n < nmax; n++ )
     {
-        aBuffer.append("--bcc \"");
-        aBuffer.append(OUStringToOString(aStringList[n], osl_getThreadTextEncoding()));
-        aBuffer.append("\" ");
+        aBuffer.append("--bcc \"" +
+                       OUStringToOString(aStringList[n], osl_getThreadTextEncoding()) +
+                       "\" ");
     }
 
     // Append subject if set in the message
     if ( !xSimpleMailMessage->getSubject().isEmpty() )
     {
-        aBuffer.append("--subject \"");
-        aBuffer.append(OUStringToOString(xSimpleMailMessage->getSubject(), osl_getThreadTextEncoding()));
-        aBuffer.append("\" ");
+        aBuffer.append("--subject \"" +
+                       OUStringToOString(xSimpleMailMessage->getSubject(), osl_getThreadTextEncoding()) +
+                       "\" ");
     }
 
     // Append attachments set in the message
@@ -250,17 +242,16 @@ void SAL_CALL CmdMailSuppl::sendSimpleMailMessage( const Reference< XSimpleMailM
         OUString aSystemPath;
         if ( FileBase::E_None == FileBase::getSystemPathFromFileURL(aStringList[n], aSystemPath) )
         {
-            aBuffer.append("--attach \"");
-            aBuffer.append(OUStringToOString(aSystemPath, osl_getThreadTextEncoding()));
-            aBuffer.append("\" ");
+            aBuffer.append("--attach \"" +
+                           OUStringToOString(aSystemPath, osl_getThreadTextEncoding()) +
+                           "\" ");
         }
     }
 
     OString cmd = aBuffer.makeStringAndClear();
     if ( 0 != pclose(popen(cmd.getStr(), "w")) )
     {
-        throw ::com::sun::star::uno::Exception(
-            OUString(RTL_CONSTASCII_USTRINGPARAM( "No mail client configured" )),
+        throw ::com::sun::star::uno::Exception("No mail client configured",
             static_cast < XSimpleMailClient * > (this) );
     }
 }
@@ -272,7 +263,7 @@ void SAL_CALL CmdMailSuppl::sendSimpleMailMessage( const Reference< XSimpleMailM
 OUString SAL_CALL CmdMailSuppl::getImplementationName(  )
     throw( RuntimeException )
 {
-    return OUString(RTL_CONSTASCII_USTRINGPARAM( COMP_IMPL_NAME ));
+    return OUString(COMP_IMPL_NAME);
 }
 
 // -------------------------------------------------
diff --git a/shell/source/unix/exec/shellexec.cxx b/shell/source/unix/exec/shellexec.cxx
index 4c69d771bef2..be926bf89cf4 100644
--- a/shell/source/unix/exec/shellexec.cxx
+++ b/shell/source/unix/exec/shellexec.cxx
@@ -216,13 +216,11 @@ void SAL_CALL ShellExec::execute( const OUString& aCommand, const OUString& aPar
             OString aDesktopEnvironment(m_aDesktopEnvironment.toAsciiLowerCase());
             OStringBuffer aCopy(aTmp);
 
-            aCopy.append(aDesktopEnvironment);
-            aCopy.append("-open-url");
+            aCopy.append(aDesktopEnvironment + "-open-url");
 
             if ( 0 == access( aCopy.getStr(), X_OK) )
             {
-                aBuffer.append(aDesktopEnvironment);
-                aBuffer.append("-");
+                aBuffer.append(aDesktopEnvironment + "-");
             }
         }
 
@@ -233,8 +231,7 @@ void SAL_CALL ShellExec::execute( const OUString& aCommand, const OUString& aPar
 
         if ( pDesktopLaunch && *pDesktopLaunch )
         {
-            aLaunchBuffer.append( pDesktopLaunch );
-            aLaunchBuffer.append(" ");
+            aLaunchBuffer.append( OString(pDesktopLaunch) + " ");
             escapeForShell(aLaunchBuffer, OUStringToOString(aURL, osl_getThreadTextEncoding()));
         }
     } else if ((nFlags & css::system::SystemShellExecuteFlags::URIS_ONLY) != 0)
@@ -270,7 +267,7 @@ void SAL_CALL ShellExec::execute( const OUString& aCommand, const OUString& aPar
     OString cmd =
 #ifdef LINUX
         // avoid blocking (call it in background)
-        OStringBuffer().append( "( " ).append( aBuffer.makeStringAndClear() ).append( " ) &" ).makeStringAndClear();
+        "( " + aBuffer.makeStringAndClear() +  " ) &";
 #else
         aBuffer.makeStringAndClear();
 #endif
diff --git a/shell/source/unix/exec/shellexecentry.cxx b/shell/source/unix/exec/shellexecentry.cxx
index 96f8e526bd28..ca4caf461bda 100644
--- a/shell/source/unix/exec/shellexecentry.cxx
+++ b/shell/source/unix/exec/shellexecentry.cxx
@@ -60,11 +60,11 @@ SAL_DLLPUBLIC_EXPORT void* SAL_CALL syssh_component_getFactory(
 
     if (0 == ::rtl_str_compare( pImplName, SHELLEXEC_IMPL_NAME ))
     {
-        OUString serviceName( RTL_CONSTASCII_USTRINGPARAM(SHELLEXEC_SERVICE_NAME) );
+        OUString serviceName( SHELLEXEC_SERVICE_NAME );
 
         xFactory = ::cppu::createSingleComponentFactory(
             createInstance,
-            OUString( RTL_CONSTASCII_USTRINGPARAM(SHELLEXEC_IMPL_NAME) ),
+            OUString( SHELLEXEC_IMPL_NAME ),
             Sequence< OUString >( &serviceName, 1 ) );
 
     }
diff --git a/shell/source/unix/sysshell/recently_used_file_handler.cxx b/shell/source/unix/sysshell/recently_used_file_handler.cxx
index 4387e60142dc..21c467d0ed8f 100644
--- a/shell/source/unix/sysshell/recently_used_file_handler.cxx
+++ b/shell/source/unix/sysshell/recently_used_file_handler.cxx
@@ -148,19 +148,15 @@ namespace /* private */ {
             rtl::OStringBuffer aBuf;
             for (sal_uInt32 i = 0; i < text.length(); i++)
             {
-#               define MAP(a,b) case a: aBuf.append(b); break
                 switch (text[i])
                 {
-                    MAP ('&',  "&amp;");
-                    MAP ('<',  "&lt;");
-                    MAP ('>',  "&gt;");
-                    MAP ('\'', "&apos;");
-                    MAP ('"',  "&quot;");
-                default:
-                    aBuf.append(text[i]);
-                    break;
+                    case '&':  aBuf.append("&amp;");  break;
+                    case '<':  aBuf.append("&lt;");   break;
+                    case '>':  aBuf.append("&gt;");   break;
+                    case '\'': aBuf.append("&apos;"); break;
+                    case '"':  aBuf.append("&quot;"); break;
+                    default:   aBuf.append(text[i]);  break;
                 }
-#               undef MAP
             }
             return aBuf.makeStringAndClear();
         }