diff options
Diffstat (limited to 'src/membuf.cpp')
| -rw-r--r-- | src/membuf.cpp | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/src/membuf.cpp b/src/membuf.cpp deleted file mode 100644 index 14d0d58..0000000 --- a/src/membuf.cpp +++ /dev/null | |||
| @@ -1,177 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2007-2011 Xagasoft, All rights reserved. | ||
| 3 | * | ||
| 4 | * This file is part of the libbu++ library and is released under the | ||
| 5 | * terms of the license contained in the file LICENSE. | ||
| 6 | */ | ||
| 7 | |||
| 8 | #include "bu/membuf.h" | ||
| 9 | |||
| 10 | using namespace Bu; | ||
| 11 | |||
| 12 | Bu::MemBuf::MemBuf() : | ||
| 13 | nPos( 0 ) | ||
| 14 | { | ||
| 15 | } | ||
| 16 | |||
| 17 | Bu::MemBuf::MemBuf( const Bu::String &str ) : | ||
| 18 | sBuf( str ), | ||
| 19 | nPos( 0 ) | ||
| 20 | { | ||
| 21 | } | ||
| 22 | |||
| 23 | Bu::MemBuf::~MemBuf() | ||
| 24 | { | ||
| 25 | } | ||
| 26 | |||
| 27 | void Bu::MemBuf::close() | ||
| 28 | { | ||
| 29 | } | ||
| 30 | |||
| 31 | size Bu::MemBuf::read( void *pBuf, size nBytes ) | ||
| 32 | { | ||
| 33 | if( (size)sBuf.getSize()-(size)nPos < nBytes ) | ||
| 34 | nBytes = sBuf.getSize()-nPos; | ||
| 35 | |||
| 36 | memcpy( pBuf, sBuf.getStr()+nPos, nBytes ); | ||
| 37 | nPos += nBytes; | ||
| 38 | |||
| 39 | return nBytes; | ||
| 40 | } | ||
| 41 | |||
| 42 | size Bu::MemBuf::write( const void *pBuf, size nBytes ) | ||
| 43 | { | ||
| 44 | if( nPos == sBuf.getSize() ) | ||
| 45 | { | ||
| 46 | // Easiest, just append the data. | ||
| 47 | sBuf.append( (const char *)pBuf, nBytes ); | ||
| 48 | nPos += nBytes; | ||
| 49 | return nBytes; | ||
| 50 | } | ||
| 51 | else | ||
| 52 | { | ||
| 53 | // Trickier, we must do this in two parts, overwrite, then append | ||
| 54 | // Frist, overwrite. | ||
| 55 | size iOver = sBuf.getSize() - nPos; | ||
| 56 | if( iOver > nBytes ) | ||
| 57 | iOver = nBytes; | ||
| 58 | memcpy( sBuf.getStr()+nPos, pBuf, iOver ); | ||
| 59 | // Then append | ||
| 60 | if( iOver < nBytes ) | ||
| 61 | { | ||
| 62 | sBuf.append( ((const char *)pBuf)+iOver, nBytes-iOver ); | ||
| 63 | } | ||
| 64 | nPos += nBytes; | ||
| 65 | return nBytes; | ||
| 66 | } | ||
| 67 | } | ||
| 68 | |||
| 69 | size Bu::MemBuf::tell() | ||
| 70 | { | ||
| 71 | return nPos; | ||
| 72 | } | ||
| 73 | |||
| 74 | void Bu::MemBuf::seek( size offset ) | ||
| 75 | { | ||
| 76 | nPos += offset; | ||
| 77 | if( nPos < 0 ) nPos = 0; | ||
| 78 | else if( nPos > sBuf.getSize() ) nPos = sBuf.getSize(); | ||
| 79 | } | ||
| 80 | |||
| 81 | void Bu::MemBuf::setPos( size pos ) | ||
| 82 | { | ||
| 83 | nPos = pos; | ||
| 84 | if( nPos < 0 ) nPos = 0; | ||
| 85 | else if( nPos > sBuf.getSize() ) nPos = sBuf.getSize(); | ||
| 86 | } | ||
| 87 | |||
| 88 | void Bu::MemBuf::setPosEnd( size pos ) | ||
| 89 | { | ||
| 90 | nPos = sBuf.getSize()-pos; | ||
| 91 | if( nPos < 0 ) nPos = 0; | ||
| 92 | else if( nPos > sBuf.getSize() ) nPos = sBuf.getSize(); | ||
| 93 | } | ||
| 94 | |||
| 95 | bool Bu::MemBuf::isEos() | ||
| 96 | { | ||
| 97 | return (nPos == sBuf.getSize()); | ||
| 98 | } | ||
| 99 | |||
| 100 | bool Bu::MemBuf::isOpen() | ||
| 101 | { | ||
| 102 | return true; | ||
| 103 | } | ||
| 104 | |||
| 105 | void Bu::MemBuf::flush() | ||
| 106 | { | ||
| 107 | } | ||
| 108 | |||
| 109 | bool Bu::MemBuf::canRead() | ||
| 110 | { | ||
| 111 | return !isEos(); | ||
| 112 | } | ||
| 113 | |||
| 114 | bool Bu::MemBuf::canWrite() | ||
| 115 | { | ||
| 116 | return true; | ||
| 117 | } | ||
| 118 | |||
| 119 | bool Bu::MemBuf::isReadable() | ||
| 120 | { | ||
| 121 | return true; | ||
| 122 | } | ||
| 123 | |||
| 124 | bool Bu::MemBuf::isWritable() | ||
| 125 | { | ||
| 126 | return true; | ||
| 127 | } | ||
| 128 | |||
| 129 | bool Bu::MemBuf::isSeekable() | ||
| 130 | { | ||
| 131 | return true; | ||
| 132 | } | ||
| 133 | |||
| 134 | bool Bu::MemBuf::isBlocking() | ||
| 135 | { | ||
| 136 | return true; | ||
| 137 | } | ||
| 138 | |||
| 139 | void Bu::MemBuf::setBlocking( bool ) | ||
| 140 | { | ||
| 141 | } | ||
| 142 | |||
| 143 | void Bu::MemBuf::setSize( size iSize ) | ||
| 144 | { | ||
| 145 | if( iSize < 0 ) | ||
| 146 | iSize = 0; | ||
| 147 | sBuf.setSize( iSize ); | ||
| 148 | if( nPos > iSize ) | ||
| 149 | nPos = iSize; | ||
| 150 | } | ||
| 151 | |||
| 152 | Bu::size Bu::MemBuf::getSize() const | ||
| 153 | { | ||
| 154 | return sBuf.getSize(); | ||
| 155 | } | ||
| 156 | |||
| 157 | Bu::size Bu::MemBuf::getBlockSize() const | ||
| 158 | { | ||
| 159 | return sBuf.getSize(); | ||
| 160 | } | ||
| 161 | |||
| 162 | Bu::String Bu::MemBuf::getLocation() const | ||
| 163 | { | ||
| 164 | return ""; | ||
| 165 | } | ||
| 166 | |||
| 167 | Bu::String &Bu::MemBuf::getString() | ||
| 168 | { | ||
| 169 | return sBuf; | ||
| 170 | } | ||
| 171 | |||
| 172 | void Bu::MemBuf::setString( const Bu::String &sNewData ) | ||
| 173 | { | ||
| 174 | sBuf = sNewData; | ||
| 175 | nPos = 0; | ||
| 176 | } | ||
| 177 | |||
