-/*\r
-Copyright (c) 2001, Loki software, inc.\r
-All rights reserved.\r
-\r
-Redistribution and use in source and binary forms, with or without modification, \r
-are permitted provided that the following conditions are met:\r
-\r
-Redistributions of source code must retain the above copyright notice, this list \r
-of conditions and the following disclaimer.\r
-\r
-Redistributions in binary form must reproduce the above copyright notice, this\r
-list of conditions and the following disclaimer in the documentation and/or\r
-other materials provided with the distribution.\r
-\r
-Neither the name of Loki software nor the names of its contributors may be used \r
-to endorse or promote products derived from this software without specific prior \r
-written permission. \r
-\r
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' \r
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE \r
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE \r
-DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY \r
-DIRECT,INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES \r
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; \r
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON \r
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT \r
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS \r
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. \r
-*/\r
-\r
-//\r
-// File class, can be a memory file or a regular disk file.\r
-// Originally from LeoCAD, used with permission from the author. :)\r
-//\r
-// Leonardo Zide (leo@lokigames.com)\r
-//\r
-\r
-#include "stdafx.h"\r
-\r
-#include <stdio.h>\r
-#include <memory.h>\r
-#include <stdlib.h>\r
-#include <string.h>\r
-\r
-\r
-IDataStream::IDataStream()\r
-{ }\r
- \r
-IDataStream::~IDataStream()\r
-{ }\r
-\r
-/////////////////////////////////////////////////////////////////////////////\r
-// File construction/destruction\r
-\r
-MemStream::MemStream()\r
-{\r
- m_nGrowBytes = 1024;\r
- m_nPosition = 0;\r
- m_nBufferSize = 0;\r
- m_nFileSize = 0;\r
- m_pBuffer = NULL;\r
- m_bAutoDelete = true;\r
-}\r
-\r
-MemStream::MemStream(unsigned long nLen)\r
-{\r
- m_nGrowBytes = 1024;\r
- m_nPosition = 0;\r
- m_nBufferSize = 0;\r
- m_nFileSize = 0;\r
- m_pBuffer = NULL;\r
- m_bAutoDelete = true;\r
-\r
- GrowFile (nLen);\r
-}\r
-\r
-FileStream::FileStream()\r
-{\r
- m_hFile = NULL;\r
- m_bCloseOnDelete = false;\r
-}\r
-\r
-MemStream::~MemStream()\r
-{\r
- if (m_pBuffer)\r
- Close();\r
-\r
- m_nGrowBytes = 0;\r
- m_nPosition = 0;\r
- m_nBufferSize = 0;\r
- m_nFileSize = 0;\r
-}\r
-\r
-FileStream::~FileStream()\r
-{\r
- if (m_hFile != NULL && m_bCloseOnDelete)\r
- Close();\r
-}\r
-\r
-/////////////////////////////////////////////////////////////////////////////\r
-// File operations\r
-\r
-char* MemStream::ReadString(char* pBuf, unsigned long nMax)\r
-{\r
- int nRead = 0;\r
- unsigned char ch;\r
-\r
- if (nMax <= 0)\r
- return NULL;\r
- if (m_nPosition >= m_nFileSize)\r
- return NULL;\r
-\r
- while ((--nMax))\r
- {\r
- if (m_nPosition == m_nFileSize)\r
- break;\r
-\r
- ch = m_pBuffer[m_nPosition];\r
- m_nPosition++;\r
- pBuf[nRead++] = ch;\r
-\r
- if (ch == '\n')\r
- break;\r
- }\r
-\r
- pBuf[nRead] = '\0';\r
- return pBuf;\r
-}\r
-\r
-char* FileStream::ReadString(char* pBuf, unsigned long nMax)\r
-{\r
- return fgets(pBuf, nMax, m_hFile);\r
-}\r
-\r
-unsigned long MemStream::Read(void* pBuf, unsigned long nCount)\r
-{\r
- if (nCount == 0)\r
- return 0;\r
-\r
- if (m_nPosition > m_nFileSize)\r
- return 0;\r
-\r
- unsigned long nRead;\r
- if (m_nPosition + nCount > m_nFileSize)\r
- nRead = (unsigned long)(m_nFileSize - m_nPosition);\r
- else\r
- nRead = nCount;\r
-\r
- memcpy((unsigned char*)pBuf, (unsigned char*)m_pBuffer + m_nPosition, nRead);\r
- m_nPosition += nRead;\r
-\r
- return nRead;\r
-}\r
-\r
-unsigned long FileStream::Read(void* pBuf, unsigned long nCount)\r
-{\r
- return fread(pBuf, 1, nCount, m_hFile);\r
-}\r
-\r
-int MemStream::GetChar()\r
-{\r
- if (m_nPosition > m_nFileSize)\r
- return 0;\r
-\r
- unsigned char* ret = (unsigned char*)m_pBuffer + m_nPosition;\r
- m_nPosition++;\r
-\r
- return *ret;\r
-}\r
-\r
-int FileStream::GetChar()\r
-{\r
- return fgetc(m_hFile);\r
-}\r
-\r
-unsigned long MemStream::Write(const void* pBuf, unsigned long nCount)\r
-{\r
- if (nCount == 0)\r
- return 0;\r
-\r
- if (m_nPosition + nCount > m_nBufferSize)\r
- GrowFile(m_nPosition + nCount);\r
-\r
- memcpy((unsigned char*)m_pBuffer + m_nPosition, (unsigned char*)pBuf, nCount);\r
-\r
- m_nPosition += nCount;\r
-\r
- if (m_nPosition > m_nFileSize)\r
- m_nFileSize = m_nPosition;\r
-\r
- return nCount;\r
-}\r
-\r
-unsigned long FileStream::Write(const void* pBuf, unsigned long nCount)\r
-{\r
- return fwrite(pBuf, 1, nCount, m_hFile);\r
-}\r
-\r
-int MemStream::PutChar(int c)\r
-{\r
- if (m_nPosition + 1 > m_nBufferSize)\r
- GrowFile(m_nPosition + 1);\r
-\r
- unsigned char* bt = (unsigned char*)m_pBuffer + m_nPosition;\r
- *bt = c;\r
-\r
- m_nPosition++;\r
-\r
- if (m_nPosition > m_nFileSize)\r
- m_nFileSize = m_nPosition;\r
-\r
- return 1;\r
-}\r
-\r
-/*!\todo SPoG suggestion: replace printf with operator >> using c++ iostream and strstream */\r
-void FileStream::printf(const char* s, ...)\r
-{\r
- va_list args;\r
-\r
- va_start (args, s);\r
- vfprintf(m_hFile, s, args);\r
- va_end (args);\r
-}\r
-\r
-/*!\todo SPoG suggestion: replace printf with operator >> using c++ iostream and strstream */\r
-void MemStream::printf(const char* s, ...)\r
-{\r
- va_list args;\r
-\r
- char buffer[4096];\r
- va_start (args, s);\r
- vsprintf(buffer, s, args);\r
- va_end (args);\r
- Write(buffer, strlen(buffer));\r
-}\r
-\r
-int FileStream::PutChar(int c)\r
-{\r
- return fputc(c, m_hFile);\r
-}\r
-\r
-bool FileStream::Open(const char *filename, const char *mode)\r
-{\r
- m_hFile = fopen(filename, mode);\r
- m_bCloseOnDelete = true;\r
-\r
- return (m_hFile != NULL);\r
-}\r
-\r
-void MemStream::Close()\r
-{\r
- m_nGrowBytes = 0;\r
- m_nPosition = 0;\r
- m_nBufferSize = 0;\r
- m_nFileSize = 0;\r
- if (m_pBuffer && m_bAutoDelete)\r
- free(m_pBuffer);\r
- m_pBuffer = NULL;\r
-}\r
-\r
-void FileStream::Close()\r
-{\r
- if (m_hFile != NULL)\r
- fclose(m_hFile);\r
-\r
- m_hFile = NULL;\r
- m_bCloseOnDelete = false;\r
-}\r
-\r
-unsigned long MemStream::Seek(long lOff, int nFrom)\r
-{\r
- unsigned long lNewPos = m_nPosition;\r
-\r
- if (nFrom == SEEK_SET)\r
- lNewPos = lOff;\r
- else if (nFrom == SEEK_CUR)\r
- lNewPos += lOff;\r
- else if (nFrom == SEEK_END)\r
- lNewPos = m_nFileSize + lOff;\r
- else\r
- return (unsigned long)-1;\r
-\r
- m_nPosition = lNewPos;\r
-\r
- return m_nPosition;\r
-}\r
-\r
-unsigned long FileStream::Seek(long lOff, int nFrom)\r
-{\r
- fseek (m_hFile, lOff, nFrom);\r
-\r
- return ftell(m_hFile);\r
-}\r
-\r
-unsigned long MemStream::GetPosition() const\r
-{\r
- return m_nPosition;\r
-}\r
-\r
-unsigned long FileStream::GetPosition() const\r
-{\r
- return ftell(m_hFile);\r
-}\r
-\r
-void MemStream::GrowFile(unsigned long nNewLen)\r
-{\r
- if (nNewLen > m_nBufferSize)\r
- {\r
- // grow the buffer\r
- unsigned long nNewBufferSize = m_nBufferSize;\r
-\r
- // determine new buffer size\r
- while (nNewBufferSize < nNewLen)\r
- nNewBufferSize += m_nGrowBytes;\r
-\r
- // allocate new buffer\r
- unsigned char* lpNew;\r
- if (m_pBuffer == NULL)\r
- lpNew = static_cast<unsigned char*>(malloc(nNewBufferSize));\r
- else\r
- lpNew = static_cast<unsigned char*>(realloc(m_pBuffer, nNewBufferSize));\r
-\r
- m_pBuffer = lpNew;\r
- m_nBufferSize = nNewBufferSize;\r
- }\r
-}\r
-\r
-void MemStream::Flush()\r
-{\r
- // Nothing to be done\r
-}\r
-\r
-void FileStream::Flush()\r
-{\r
- if (m_hFile == NULL)\r
- return;\r
-\r
- fflush(m_hFile);\r
-}\r
-\r
-void MemStream::Abort()\r
-{\r
- Close();\r
-}\r
-\r
-void FileStream::Abort()\r
-{\r
- if (m_hFile != NULL)\r
- {\r
- // close but ignore errors\r
- if (m_bCloseOnDelete)\r
- fclose(m_hFile);\r
- m_hFile = NULL;\r
- m_bCloseOnDelete = false;\r
- }\r
-}\r
-\r
-void MemStream::SetLength(unsigned long nNewLen)\r
-{\r
- if (nNewLen > m_nBufferSize)\r
- GrowFile(nNewLen);\r
-\r
- if (nNewLen < m_nPosition)\r
- m_nPosition = nNewLen;\r
-\r
- m_nFileSize = nNewLen;\r
-}\r
-\r
-void FileStream::SetLength(unsigned long nNewLen)\r
-{\r
- fseek(m_hFile, nNewLen, SEEK_SET);\r
-}\r
-\r
-unsigned long MemStream::GetLength() const\r
-{\r
- return m_nFileSize;\r
-}\r
-\r
-unsigned long FileStream::GetLength() const\r
-{\r
- unsigned long nLen, nCur;\r
-\r
- // Seek is a non const operation\r
- nCur = ftell(m_hFile);\r
- fseek(m_hFile, 0, SEEK_END);\r
- nLen = ftell(m_hFile);\r
- fseek(m_hFile, nCur, SEEK_SET);\r
-\r
- return nLen;\r
-}\r
+/*
+ Copyright (c) 2001, Loki software, inc.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without modification,
+ are permitted provided that the following conditions are met:
+
+ Redistributions of source code must retain the above copyright notice, this list
+ of conditions and the following disclaimer.
+
+ Redistributions in binary form must reproduce the above copyright notice, this
+ list of conditions and the following disclaimer in the documentation and/or
+ other materials provided with the distribution.
+
+ Neither the name of Loki software nor the names of its contributors may be used
+ to endorse or promote products derived from this software without specific prior
+ written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ DIRECT,INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+//
+// File class, can be a memory file or a regular disk file.
+// Originally from LeoCAD, used with permission from the author. :)
+//
+// Leonardo Zide (leo@lokigames.com)
+//
+
+#include "stdafx.h"
+
+#include <stdio.h>
+#include <memory.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+IDataStream::IDataStream()
+{ }
+
+IDataStream::~IDataStream()
+{ }
+
+/////////////////////////////////////////////////////////////////////////////
+// File construction/destruction
+
+MemStream::MemStream(){
+ m_nGrowBytes = 1024;
+ m_nPosition = 0;
+ m_nBufferSize = 0;
+ m_nFileSize = 0;
+ m_pBuffer = NULL;
+ m_bAutoDelete = true;
+}
+
+MemStream::MemStream( unsigned long nLen ){
+ m_nGrowBytes = 1024;
+ m_nPosition = 0;
+ m_nBufferSize = 0;
+ m_nFileSize = 0;
+ m_pBuffer = NULL;
+ m_bAutoDelete = true;
+
+ GrowFile( nLen );
+}
+
+FileStream::FileStream(){
+ m_hFile = NULL;
+ m_bCloseOnDelete = false;
+}
+
+MemStream::~MemStream(){
+ if ( m_pBuffer ) {
+ Close();
+ }
+
+ m_nGrowBytes = 0;
+ m_nPosition = 0;
+ m_nBufferSize = 0;
+ m_nFileSize = 0;
+}
+
+FileStream::~FileStream(){
+ if ( m_hFile != NULL && m_bCloseOnDelete ) {
+ Close();
+ }
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// File operations
+
+char* MemStream::ReadString( char* pBuf, unsigned long nMax ){
+ int nRead = 0;
+ unsigned char ch;
+
+ if ( nMax <= 0 ) {
+ return NULL;
+ }
+ if ( m_nPosition >= m_nFileSize ) {
+ return NULL;
+ }
+
+ while ( ( --nMax ) )
+ {
+ if ( m_nPosition == m_nFileSize ) {
+ break;
+ }
+
+ ch = m_pBuffer[m_nPosition];
+ m_nPosition++;
+ pBuf[nRead++] = ch;
+
+ if ( ch == '\n' ) {
+ break;
+ }
+ }
+
+ pBuf[nRead] = '\0';
+ return pBuf;
+}
+
+char* FileStream::ReadString( char* pBuf, unsigned long nMax ){
+ return fgets( pBuf, nMax, m_hFile );
+}
+
+unsigned long MemStream::Read( void* pBuf, unsigned long nCount ){
+ if ( nCount == 0 ) {
+ return 0;
+ }
+
+ if ( m_nPosition > m_nFileSize ) {
+ return 0;
+ }
+
+ unsigned long nRead;
+ if ( m_nPosition + nCount > m_nFileSize ) {
+ nRead = (unsigned long)( m_nFileSize - m_nPosition );
+ }
+ else{
+ nRead = nCount;
+ }
+
+ memcpy( (unsigned char*)pBuf, (unsigned char*)m_pBuffer + m_nPosition, nRead );
+ m_nPosition += nRead;
+
+ return nRead;
+}
+
+unsigned long FileStream::Read( void* pBuf, unsigned long nCount ){
+ return fread( pBuf, 1, nCount, m_hFile );
+}
+
+int MemStream::GetChar(){
+ if ( m_nPosition > m_nFileSize ) {
+ return 0;
+ }
+
+ unsigned char* ret = (unsigned char*)m_pBuffer + m_nPosition;
+ m_nPosition++;
+
+ return *ret;
+}
+
+int FileStream::GetChar(){
+ return fgetc( m_hFile );
+}
+
+unsigned long MemStream::Write( const void* pBuf, unsigned long nCount ){
+ if ( nCount == 0 ) {
+ return 0;
+ }
+
+ if ( m_nPosition + nCount > m_nBufferSize ) {
+ GrowFile( m_nPosition + nCount );
+ }
+
+ memcpy( (unsigned char*)m_pBuffer + m_nPosition, (unsigned char*)pBuf, nCount );
+
+ m_nPosition += nCount;
+
+ if ( m_nPosition > m_nFileSize ) {
+ m_nFileSize = m_nPosition;
+ }
+
+ return nCount;
+}
+
+unsigned long FileStream::Write( const void* pBuf, unsigned long nCount ){
+ return fwrite( pBuf, 1, nCount, m_hFile );
+}
+
+int MemStream::PutChar( int c ){
+ if ( m_nPosition + 1 > m_nBufferSize ) {
+ GrowFile( m_nPosition + 1 );
+ }
+
+ unsigned char* bt = (unsigned char*)m_pBuffer + m_nPosition;
+ *bt = c;
+
+ m_nPosition++;
+
+ if ( m_nPosition > m_nFileSize ) {
+ m_nFileSize = m_nPosition;
+ }
+
+ return 1;
+}
+
+/*!\todo SPoG suggestion: replace printf with operator >> using c++ iostream and strstream */
+void FileStream::printf( const char* s, ... ){
+ va_list args;
+
+ va_start( args, s );
+ vfprintf( m_hFile, s, args );
+ va_end( args );
+}
+
+/*!\todo SPoG suggestion: replace printf with operator >> using c++ iostream and strstream */
+void MemStream::printf( const char* s, ... ){
+ va_list args;
+
+ char buffer[4096];
+ va_start( args, s );
+ vsprintf( buffer, s, args );
+ va_end( args );
+ Write( buffer, strlen( buffer ) );
+}
+
+int FileStream::PutChar( int c ){
+ return fputc( c, m_hFile );
+}
+
+bool FileStream::Open( const char *filename, const char *mode ){
+ m_hFile = fopen( filename, mode );
+ m_bCloseOnDelete = true;
+
+ return m_hFile != NULL;
+}
+
+void MemStream::Close(){
+ m_nGrowBytes = 0;
+ m_nPosition = 0;
+ m_nBufferSize = 0;
+ m_nFileSize = 0;
+ if ( m_pBuffer && m_bAutoDelete ) {
+ free( m_pBuffer );
+ }
+ m_pBuffer = NULL;
+}
+
+void FileStream::Close(){
+ if ( m_hFile != NULL ) {
+ fclose( m_hFile );
+ }
+
+ m_hFile = NULL;
+ m_bCloseOnDelete = false;
+}
+
+unsigned long MemStream::Seek( long lOff, int nFrom ){
+ unsigned long lNewPos = m_nPosition;
+
+ if ( nFrom == SEEK_SET ) {
+ lNewPos = lOff;
+ }
+ else if ( nFrom == SEEK_CUR ) {
+ lNewPos += lOff;
+ }
+ else if ( nFrom == SEEK_END ) {
+ lNewPos = m_nFileSize + lOff;
+ }
+ else{
+ return (unsigned long)-1;
+ }
+
+ m_nPosition = lNewPos;
+
+ return m_nPosition;
+}
+
+unsigned long FileStream::Seek( long lOff, int nFrom ){
+ fseek( m_hFile, lOff, nFrom );
+
+ return ftell( m_hFile );
+}
+
+unsigned long MemStream::GetPosition() const {
+ return m_nPosition;
+}
+
+unsigned long FileStream::GetPosition() const {
+ return ftell( m_hFile );
+}
+
+void MemStream::GrowFile( unsigned long nNewLen ){
+ if ( nNewLen > m_nBufferSize ) {
+ // grow the buffer
+ unsigned long nNewBufferSize = m_nBufferSize;
+
+ // determine new buffer size
+ while ( nNewBufferSize < nNewLen )
+ nNewBufferSize += m_nGrowBytes;
+
+ // allocate new buffer
+ unsigned char* lpNew;
+ if ( m_pBuffer == NULL ) {
+ lpNew = static_cast<unsigned char*>( malloc( nNewBufferSize ) );
+ }
+ else{
+ lpNew = static_cast<unsigned char*>( realloc( m_pBuffer, nNewBufferSize ) );
+ }
+
+ m_pBuffer = lpNew;
+ m_nBufferSize = nNewBufferSize;
+ }
+}
+
+void MemStream::Flush(){
+ // Nothing to be done
+}
+
+void FileStream::Flush(){
+ if ( m_hFile == NULL ) {
+ return;
+ }
+
+ fflush( m_hFile );
+}
+
+void MemStream::Abort(){
+ Close();
+}
+
+void FileStream::Abort(){
+ if ( m_hFile != NULL ) {
+ // close but ignore errors
+ if ( m_bCloseOnDelete ) {
+ fclose( m_hFile );
+ }
+ m_hFile = NULL;
+ m_bCloseOnDelete = false;
+ }
+}
+
+void MemStream::SetLength( unsigned long nNewLen ){
+ if ( nNewLen > m_nBufferSize ) {
+ GrowFile( nNewLen );
+ }
+
+ if ( nNewLen < m_nPosition ) {
+ m_nPosition = nNewLen;
+ }
+
+ m_nFileSize = nNewLen;
+}
+
+void FileStream::SetLength( unsigned long nNewLen ){
+ fseek( m_hFile, nNewLen, SEEK_SET );
+}
+
+unsigned long MemStream::GetLength() const {
+ return m_nFileSize;
+}
+
+unsigned long FileStream::GetLength() const {
+ unsigned long nLen, nCur;
+
+ // Seek is a non const operation
+ nCur = ftell( m_hFile );
+ fseek( m_hFile, 0, SEEK_END );
+ nLen = ftell( m_hFile );
+ fseek( m_hFile, nCur, SEEK_SET );
+
+ return nLen;
+}
projects / xonotic / netradiant.git / blobdiff