git-svn-id: https://profuse.googlecode.com/svn/branches/v2@179 aa027e90-d47c-11dd-86d7-074df07e0730

Pascal/Entry.cpp

@@ -0,0 +1,98 @@
+#include <Pascal/File.h>
+
+#include <ProfUSE/auto.h>
+#include <ProFUSE/Exception.h>
+
+#include <Endian/Endian.h>
+#include <Endian/IOBuffer.h>
+
+#include <Device/BlockDevice.h>
+#include <Device/BlockCache.h>
+
+
+#include <algorithm>
+#include <cstring>
+#include <cctype>
+#include <memory>
+
+using namespace LittleEndian;
+using namespace Pascal;
+
+
+#pragma mark -
+#pragma mark DirEntry
+
+unsigned Entry::ValidName(const char *cp, unsigned maxLength)
+{
+
+    // any printable char except:
+    // white space
+    // $ = ? , (file only)
+    // : (volume only)
+    if (!cp || !*cp) return 0;
+    
+    for (unsigned i = 0;  ; ++i)
+    {
+        unsigned c = cp[i];
+        if (c == 0) return i;
+        if (i >= maxLength) return 0;
+    
+        switch(c)
+        {
+
+        case ':':
+            if (maxLength == 7) return 0;
+            break;
+        case '$':
+        case '=':
+        case ',':
+        case '?':
+            if (maxLength == 15) return 0;
+            break;
+            
+        default:
+            if (!::isascii(c)) return 0;
+            if (!std::isgraph(c)) return 0;
+        }
+    }
+
+
+}
+
+
+Entry::Entry()
+{
+    _firstBlock = 0;
+    _lastBlock = 0;
+    _fileKind = 0;
+    _inode = 0;
+    _parent = NULL;
+}
+
+Entry::Entry(void *vp)
+{
+    init(vp);
+}
+
+Entry::~Entry()
+{
+}
+
+
+void Entry::init(void *vp)
+{
+    _firstBlock = Read16(vp, 0x00);
+    _lastBlock = Read16(vp, 0x02);
+    _fileKind = Read8(vp, 0x04);
+    
+    _inode = 0;
+}
+
+void Entry::writeDirectoryEntry(IOBuffer *b)
+{
+    b->write16(_firstBlock);
+    b->write16(_lastBlock);
+    b->write8(_fileKind);
+}
+
+