From 85a6aa5526c1e38865250e88ceb6bf02345248b2 Mon Sep 17 00:00:00 2001
From: Noel Grandin <noelgrandin@gmail.com>
Date: Sun, 19 Apr 2020 18:35:20 +0200
Subject: tdf#131951 related, improve perf

similar to
    commit 9429dacc7ff93f99dd84532357020669df33a0c5
    tdf#131951: automatically increase buffer size
in a few places, let the OUStringBuffer handle large tokens,
it has faster handling than repeatedly appending to an OUString

Change-Id: I609b84b36e817fbcd6d366c53cd2e8b865216712
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/92503
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
---
 svtools/source/svhtml/parhtml.cxx | 14 +-------------
 svtools/source/svrtf/parrtf.cxx   | 16 +++-------------
 2 files changed, 4 insertions(+), 26 deletions(-)

(limited to 'svtools')

diff --git a/svtools/source/svhtml/parhtml.cxx b/svtools/source/svhtml/parhtml.cxx
index be0b8fed24d6..b3664713affa 100644
--- a/svtools/source/svhtml/parhtml.cxx
+++ b/svtools/source/svhtml/parhtml.cxx
@@ -925,12 +925,6 @@ HtmlTokenId HTMLParser::GetNextRawToken()
                 while( '-' == nNextCh && IsParserWorking() )
                 {
                     bTwoMinus = true;
-
-                    if( MAX_LEN == sTmpBuffer.getLength() )
-                    {
-                        aToken += sTmpBuffer;
-                        sTmpBuffer.setLength(0);
-                    }
                     sTmpBuffer.appendUtf32( nNextCh );
                     nNextCh = GetNextChar();
                 }
@@ -983,8 +977,7 @@ HtmlTokenId HTMLParser::GetNextRawToken()
             break;
         }
 
-        if( (!bContinue && !sTmpBuffer.isEmpty()) ||
-            MAX_LEN == sTmpBuffer.getLength() )
+        if( !bContinue && !sTmpBuffer.isEmpty() )
         {
             aToken += sTmpBuffer;
             sTmpBuffer.setLength(0);
@@ -1063,11 +1056,6 @@ HtmlTokenId HTMLParser::GetNextToken_()
                     OUStringBuffer sTmpBuffer;
                     do {
                         sTmpBuffer.appendUtf32( nNextCh );
-                        if( MAX_LEN == sTmpBuffer.getLength() )
-                        {
-                            aToken += sTmpBuffer;
-                            sTmpBuffer.setLength(0);
-                        }
                         nNextCh = GetNextChar();
                     } while( '>' != nNextCh && '/' != nNextCh && !rtl::isAsciiWhiteSpace( nNextCh ) &&
                              IsParserWorking() && !rInput.eof() );
diff --git a/svtools/source/svrtf/parrtf.cxx b/svtools/source/svrtf/parrtf.cxx
index a52b8ee4f3af..8b5ad0a0a7cb 100644
--- a/svtools/source/svrtf/parrtf.cxx
+++ b/svtools/source/svrtf/parrtf.cxx
@@ -99,22 +99,12 @@ int SvRTFParser::GetNextToken_()
                     {
                         aToken = "\\";
                         {
-                            OUStringBuffer aStrBuffer;
-                            aStrBuffer.setLength( MAX_TOKEN_LEN );
-                            sal_Int32 nStrLen = 0;
+                            OUStringBuffer aStrBuffer( MAX_TOKEN_LEN );
                             do {
-                                aStrBuffer[nStrLen++] = nNextCh;
-                                if( MAX_TOKEN_LEN == nStrLen )
-                                {
-                                    aToken += aStrBuffer;
-                                    nStrLen = 0;
-                                }
+                                aStrBuffer.appendUtf32(nNextCh);
                                 nNextCh = GetNextChar();
                             } while( RTF_ISALPHA( nNextCh ) );
-                            if( nStrLen )
-                            {
-                                aToken += aStrBuffer;
-                            }
+                            aToken += aStrBuffer;
                         }
 
                         // minus before numeric parameters
-- 
cgit