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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-02-24 02:13:59 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-02-24 02:13:59 +0000
commita6d58bb6052ac8cb01805a48c4ad2f129126116f (patch)
treedd867a099fcbb263a8009a9fb22695b87855dad6 /src/kvilib/ext/kvi_databuffer.cpp
downloadkvirc-a6d58bb6052ac8cb01805a48c4ad2f129126116f.tar.gz
kvirc-a6d58bb6052ac8cb01805a48c4ad2f129126116f.zip
Added KDE3 version of kvirc
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kvirc@1095341 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'src/kvilib/ext/kvi_databuffer.cpp')
-rw-r--r--src/kvilib/ext/kvi_databuffer.cpp135
1 files changed, 135 insertions, 0 deletions
diff --git a/src/kvilib/ext/kvi_databuffer.cpp b/src/kvilib/ext/kvi_databuffer.cpp
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+++ b/src/kvilib/ext/kvi_databuffer.cpp
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+//
+// File : kvi_databuffer.cpp
+// Creation date : Thu Aug 23 17:04:24 2001 GMT by Szymon Stefanek
+//
+// This file is part of the KVirc irc client distribution
+// Copyright (C) 2001 Szymon Stefanek (pragma at kvirc dot net)
+//
+// This program is FREE software. You can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your opinion) any later version.
+//
+// This program is distributed in the HOPE that it will be USEFUL,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, write to the Free Software Foundation,
+// Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+
+#define __KVILIB__
+
+
+#define _KVI_DEBUG_CHECK_RANGE_
+
+#include "kvi_debug.h"
+
+#include "kvi_databuffer.h"
+#include "kvi_malloc.h"
+#include "kvi_memmove.h"
+
+// FIXME: this could resize in chunks!...this would be damn faster :)
+
+KviDataBuffer::KviDataBuffer(int uSize,const unsigned char * data)
+{
+ __range_valid(uSize > 0);
+ m_uSize = uSize;
+ m_pData = (unsigned char *)kvi_malloc(sizeof(unsigned char) * uSize);
+ if(data)kvi_memmove(m_pData,data,uSize);
+}
+
+KviDataBuffer::KviDataBuffer()
+{
+ m_uSize = 0;
+ m_pData = 0;
+}
+
+KviDataBuffer::~KviDataBuffer()
+{
+ if(m_pData)
+ {
+ __range_valid(m_uSize);
+ kvi_free(m_pData);
+ }
+}
+
+int KviDataBuffer::find(const unsigned char * block,int uSize)
+{
+ if(uSize < 1)return -1;
+ if(uSize > m_uSize)return -1;
+
+ int uSearchSize = (m_uSize - uSize) + 1;
+
+ for(int i=0;i<uSearchSize;i++)
+ {
+ if(m_pData[i] == *block)
+ {
+ // good beginning
+ if(uSize == 1)return i;
+ int j;
+ for(j = 1;j<uSize;j++)
+ {
+ if(m_pData[i + j] != block[j])
+ {
+ j = 0;
+ break;
+ }
+ }
+ if(j > 0)return i;
+ }
+ }
+
+ return -1;
+}
+
+int KviDataBuffer::find(unsigned char c)
+{
+ const unsigned char * p = m_pData;
+ const unsigned char * e = p + m_uSize;
+ while(p < e)
+ {
+ if(*p == c)return (p - m_pData);
+ p++;
+ }
+ return -1;
+}
+
+
+void KviDataBuffer::remove(int uSize)
+{
+ __range_valid((uSize <= m_uSize) && (uSize > 0));
+
+ m_uSize -= uSize;
+
+ if(m_uSize > 0)
+ {
+ kvi_memmove(m_pData,m_pData + uSize,m_uSize);
+ m_pData = (unsigned char *)kvi_realloc(m_pData,m_uSize * sizeof(unsigned char));
+ } else {
+ kvi_free(m_pData);
+ m_pData = 0;
+ }
+}
+
+void KviDataBuffer::resize(int uSize)
+{
+ __range_valid(uSize >= 0);
+ if(uSize > 0)
+ {
+ m_pData = (unsigned char *)kvi_realloc(m_pData,uSize * sizeof(unsigned char));
+ } else {
+ kvi_free(m_pData);
+ m_pData = 0;
+ }
+ m_uSize = uSize;
+}
+
+void KviDataBuffer::append(const unsigned char * data,int uSize)
+{
+ m_pData = (unsigned char *)kvi_realloc(m_pData,m_uSize + uSize);
+ kvi_memmove(m_pData + m_uSize,data,uSize);
+ m_uSize += uSize;
+}