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author | Mike Buland <eichlan@xagasoft.com> | 2011-10-27 04:44:46 +0000 |
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committer | Mike Buland <eichlan@xagasoft.com> | 2011-10-27 04:44:46 +0000 |
commit | 9906ffe3c54875133448134c09ec12a0949d48cd (patch) | |
tree | 0542fef3d27e796700b87b44394a3ad31dd5b852 /src/hex.cpp | |
parent | 411f240da34bab53cd18aa8b7ba09834ede49b1c (diff) | |
parent | 029b5d159023f4dad607359dbfaa2479e21fe9e5 (diff) | |
download | libbu++-9906ffe3c54875133448134c09ec12a0949d48cd.tar.gz libbu++-9906ffe3c54875133448134c09ec12a0949d48cd.tar.bz2 libbu++-9906ffe3c54875133448134c09ec12a0949d48cd.tar.xz libbu++-9906ffe3c54875133448134c09ec12a0949d48cd.zip |
Reorg'd! I merged in the release-fixup branch and fixed all random warnings.
I also cleaned up the build script, the symlink generation is faster and looks
nicer, there's one think left to fix there, but it's not too bad.
Diffstat (limited to '')
-rw-r--r-- | src/hex.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/hex.cpp b/src/hex.cpp new file mode 100644 index 0000000..2a04c6f --- /dev/null +++ b/src/hex.cpp | |||
@@ -0,0 +1,69 @@ | |||
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/hex.h" | ||
9 | |||
10 | Bu::Hex::Hex( Bu::Stream &rNext, bool bUpperCase, int iChunk ) : | ||
11 | Bu::Filter( rNext ), | ||
12 | iChunk( iChunk ), | ||
13 | iPos( 0 ), | ||
14 | iIn( 0 ), | ||
15 | sChrs(bUpperCase?"0123456789ABCDEF":"0123456789abcdef") | ||
16 | { | ||
17 | } | ||
18 | |||
19 | Bu::Hex::~Hex() | ||
20 | { | ||
21 | } | ||
22 | |||
23 | void Bu::Hex::start() | ||
24 | { | ||
25 | iPos = iIn = 0; | ||
26 | } | ||
27 | |||
28 | Bu::size Bu::Hex::stop() | ||
29 | { | ||
30 | return iPos; | ||
31 | } | ||
32 | |||
33 | Bu::size Bu::Hex::read( void *pBuf, Bu::size iBytes ) | ||
34 | { | ||
35 | Bu::size j; | ||
36 | uint8_t *puBuf = (uint8_t *)pBuf; | ||
37 | for( j = 0; j < iBytes; j++ ) | ||
38 | { | ||
39 | for(; iIn < 2; iIn++ ) | ||
40 | { | ||
41 | if( rNext.read( &cIn[iIn], 1 ) == 0 ) | ||
42 | return j; | ||
43 | if( cIn[iIn] == ' ' || cIn[iIn] == '\t' || | ||
44 | cIn[iIn] == '\n' || cIn[iIn] == '\r' ) | ||
45 | iIn--; | ||
46 | } | ||
47 | #define chr2nibble( c ) ((c>='0'&&c<='9')?(c-'0'):((c|0x60)-'a'+10)) | ||
48 | puBuf[j] = ((chr2nibble(cIn[0])<<4)|chr2nibble(cIn[1])); | ||
49 | iIn = 0; | ||
50 | } | ||
51 | return j; | ||
52 | } | ||
53 | |||
54 | Bu::size Bu::Hex::write( const void *pBuf, Bu::size iBytes ) | ||
55 | { | ||
56 | char cOut[2]; | ||
57 | uint8_t *puBuf = (uint8_t *)pBuf; | ||
58 | for( Bu::size j = 0; j < iBytes; j++ ) | ||
59 | { | ||
60 | cOut[0] = sChrs[(puBuf[j]&0xf0)>>4]; | ||
61 | cOut[1] = sChrs[(puBuf[j]&0x0f)]; | ||
62 | if( iChunk > 0 && iPos%iChunk == 0 && iPos>0 ) | ||
63 | rNext.write(" ", 1 ); | ||
64 | rNext.write( cOut, 2 ); | ||
65 | iPos++; | ||
66 | } | ||
67 | return iBytes; | ||
68 | } | ||
69 | |||