Move ProDOS File code

git-svn-id: https://profuse.googlecode.com/svn/branches/profuse_interim@337 aa027e90-d47c-11dd-86d7-074df07e0730
2026-04-20 14:16:37 +00:00 · 2011-02-20 22:35:26 +00:00
parent 664dee7578
commit 2bd72b08b9
2 changed files with 4 additions and 4 deletions
@@ -0,0 +1,228 @@
+/*
+ *  File.cpp
+ *  ProFUSE
+ *
+ *  Created by Kelvin Sherlock on 12/18/08.
+ *
+ */
+
+#include <ProDOS/File.h>
+#include <ProDOS/DateTime.h>
+
+#include "common.h"
+#include <string.h>
+#include <stdint.h>
+#include <ctype.h>
+#include <stdio.h>
+
+
+
+bool FileEntry::Load(const void *data)
+{
+    const uint8_t *cp = (const uint8_t *)data;
+    
+    address = 0;
+    
+    storage_type = cp[0x00] >> 4;
+    name_length = cp[0x00] & 0x0f;
+    
+    memcpy(file_name, &cp[0x01], name_length);
+    file_name[name_length] = 0;
+    
+    file_type = cp[0x10];
+    
+    key_pointer = load16(&cp[0x11]);
+    
+    blocks_used = load16(&cp[0x13]);
+    
+    eof = load24(&cp[0x15]);
+
+    creation = ProDOS::DateTime(load16(&cp[0x18]), load16(&cp[0x1a]));
+    
+    //version = cp[0x1c];
+    //min_version = cp[0x1d];
+    
+    unsigned xcase = load16(&cp[0x1c]);
+    if (xcase & 0x8000)
+    {
+        // gsos technote #8
+        unsigned mask = 0x4000;
+        for (unsigned i = 0; i < name_length; i++)
+        {
+            if (xcase & mask) file_name[i] = tolower(file_name[i]);
+            mask = mask >> 1;
+        }
+    }
+    
+    
+    
+    access = cp[0x1e];
+
+
+    aux_type = load16(&cp[0x1f]);
+    
+    last_mod = ProDOS::DateTime(load16(&cp[0x21]), load16(&cp[0x23]));
+    
+    header_pointer = load16(&cp[0x25]);
+    
+    return true;
+}
+
+
+
+
+bool ExtendedEntry::Load(const void *data)
+{
+    const uint8_t *cp = (const uint8_t *)data;
+    
+    //prodos technote #25.
+    // offset 0 - mini entry for data fork
+    
+    dataFork.storage_type = cp[0x00] & 0x0f;
+    dataFork.key_block = load16(&cp[0x01]);
+    dataFork.blocks_used = load16(&cp[0x03]);
+    dataFork.eof = load24(&cp[0x05]);
+    
+    // offset 256 - mini entry for resource fork.
+
+    resourceFork.storage_type = cp[256 + 0x00] & 0x0f;
+    resourceFork.key_block = load16(&cp[256 + 0x01]);
+    resourceFork.blocks_used = load16(&cp[256 + 0x03]);
+    resourceFork.eof = load24(&cp[256 + 0x05]);
+    
+    // xFInfo may be missing.
+    bzero(FInfo, sizeof(FInfo));
+    bzero(xFInfo, sizeof(xFInfo));
+    
+    // size must be 18.
+    unsigned size;
+    unsigned entry;
+    
+    for (unsigned i = 0; i < 2; i++)
+    {
+        unsigned ptr = i == 0 ? 8 : 26;
+        size = cp[ptr];
+        if (size != 18) continue;
+        entry = cp[ptr + 1];
+        switch(entry)
+        {
+            case 1:
+                memcpy(FInfo, &cp[ptr + 2], 16);
+                break;
+            case 2:
+                memcpy(xFInfo, &cp[ptr + 2], 16);
+                break;
+        }
+    }
+    //
+    return true;
+}
+
+
+
+bool VolumeEntry::Load(const void *data)
+{
+    const uint8_t *cp = (const uint8_t *)data;
+
+    //prev_block = load16(&cp[0x00]);
+    //next_block = load16(&cp[0x02]);
+    
+    storage_type = cp[0x00] >> 4;
+    name_length = cp[0x00] & 0x0f;
+    
+    memcpy(volume_name, &cp[0x01], name_length);
+    volume_name[name_length] = 0;
+
+    // 0x14--0x1b reserved
+    
+    creation = ProDOS::DateTime(load16(&cp[0x18]), load16(&cp[0x1a]));
+    last_mod = ProDOS::DateTime(load16(&cp[0x12]), load16(&cp[0x14]));
+
+    if (last_mod == 0) last_mod = creation;
+    
+    //version = cp[0x1c];
+    //min_version = cp[0x1d];
+    
+    unsigned xcase = load16(&cp[0x16]);
+    if (xcase & 0x8000)
+    {
+        // gsos technote #8
+        unsigned mask = 0x4000;
+        for (unsigned i = 0; i < name_length; i++)
+        {
+            if (xcase & mask) volume_name[i] = tolower(volume_name[i]);
+            mask = mask >> 1;
+        }
+    }    
+    
+    
+    access = cp[0x1e];
+
+    entry_length = cp[0x1f];
+
+    entries_per_block = cp[0x20];
+
+    file_count = load16(&cp[0x21]);
+
+    bit_map_pointer = load16(&cp[0x23]);
+    
+    total_blocks = load16(&cp[0x25]);
+    
+    return true;
+}
+
+
+
+
+bool SubdirEntry::Load(const void *data)
+{
+    const uint8_t *cp = (const uint8_t *)data;
+    
+    
+    //prev_block = load16(&cp[0x00]);
+    //next_block = load16(&cp[0x02]);
+    
+    storage_type = cp[0x00] >> 4;
+    name_length = cp[0x00] & 0x0f;
+    
+    memcpy(subdir_name, &cp[0x01], name_length);
+    subdir_name[name_length] = 0;
+    
+    // 0x14 should be $14.
+    
+    // 0x145-0x1b reserved
+    
+    creation = ProDOS::DateTime(load16(&cp[0x18]), load16(&cp[0x1a]));
+    
+    //version = cp[0x1c];
+    //min_version = cp[0x1d];
+    /*
+    unsigned xcase = load16(&cp[0x1c]);
+    if (xcase & 0x8000)
+    {
+        // gsos technote #8
+        unsigned mask = 0x4000;
+        for (unsigned i = 0; i < name_length; i++)
+        {
+            if (xcase & mask) subdir_name[i] = tolower(subdir_name[i]);
+            mask = mask >> 1;
+        }
+    }    
+    */
+    
+    access = cp[0x1e];
+    
+    entry_length = cp[0x1f];
+    
+    entries_per_block = cp[0x20];
+    
+    file_count = load16(&cp[0x21]);
+    
+    parent_pointer = load16(&cp[0x23]);
+    
+    parent_entry = cp[0x25];
+    
+    parent_entry_length = cp[0x26];
+    
+    return true;
+}