97 lines
1.5 KiB
C++
97 lines
1.5 KiB
C++
#include <Pascal/Entry.h>
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#include <Common/Exception.h>
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#include <Endian/Endian.h>
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#include <Endian/IOBuffer.h>
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#include <Device/BlockDevice.h>
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#include <algorithm>
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#include <cstring>
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#include <cctype>
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#include <memory>
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using namespace LittleEndian;
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using namespace Pascal;
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#pragma mark -
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#pragma mark DirEntry
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unsigned Entry::ValidName(const char *cp, unsigned maxLength)
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{
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// any printable char except:
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// white space
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// $ = ? , (file only)
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// : (volume only)
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if (!cp || !*cp) return 0;
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for (unsigned i = 0; ; ++i)
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{
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unsigned c = cp[i];
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if (c == 0) return i;
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if (i >= maxLength) return 0;
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switch(c)
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{
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case ':':
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if (maxLength == 7) return 0;
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break;
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case '$':
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case '=':
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case ',':
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case '?':
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if (maxLength == 15) return 0;
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break;
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default:
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if (!::isascii(c)) return 0;
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if (!std::isgraph(c)) return 0;
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}
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}
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}
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Entry::Entry()
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{
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_firstBlock = 0;
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_lastBlock = 0;
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_fileKind = 0;
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_inode = 0;
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_address = NULL;
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}
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Entry::Entry(void *vp)
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{
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init(vp);
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}
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Entry::~Entry()
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{
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}
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void Entry::init(void *vp)
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{
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_firstBlock = Read16(vp, 0x00);
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_lastBlock = Read16(vp, 0x02);
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_fileKind = Read8(vp, 0x04);
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_inode = 0;
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}
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void Entry::writeDirectoryEntry(IOBuffer *b)
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{
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b->write16(_firstBlock);
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b->write16(_lastBlock);
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b->write8(_fileKind);
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}
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