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| Source at commit 1249 created 12 years 8 months ago. By meklort, Update disk class... disks are now doubly linked | |
|---|---|
| 1 | /*␊ |
| 2 | * Copyright (c) 2011 Evan Lojewski. All rights reserved.␊ |
| 3 | *␊ |
| 4 | */␊ |
| 5 | #include <Disk.hpp>␊ |
| 6 | ␊ |
| 7 | Disk* Disk::gFirstDisk = NULL;␊ |
| 8 | ␊ |
| 9 | ␊ |
| 10 | Disk::Disk()␊ |
| 11 | {␊ |
| 12 | ␉mNextDisk = NULL;␊ |
| 13 | mName = NULL;␊ |
| 14 | mPartitions = NULL;␊ |
| 15 | ␊ |
| 16 | ␉// Add disk entry to list␊ |
| 17 | ␉␊ |
| 18 | ␉Disk* list = gFirstDisk;␊ |
| 19 | ␉if(!list) gFirstDisk = this;␊ |
| 20 | ␉else {␊ |
| 21 | ␉␉while(list->getNextDisk())␊ |
| 22 | ␉␉{␊ |
| 23 | ␉␉␉list = list->getNextDisk();␊ |
| 24 | ␉␉}␊ |
| 25 | ␉␉// Last disk found, add use to the end of the list␊ |
| 26 | ␉␉␊ |
| 27 | ␉␉list->setNextDisk(this);␊ |
| 28 | ␉}␊ |
| 29 | ␊ |
| 30 | }␊ |
| 31 | ␊ |
| 32 | Disk::~Disk()␊ |
| 33 | {␊ |
| 34 | ␉// remove disk entry from list␊ |
| 35 | ␉if(getPrevDisk() != NULL) getPrevDisk()->setNextDisk(getNextDisk());␊ |
| 36 | ␉else gFirstDisk = NULL;␊ |
| 37 | }␊ |
| 38 | ␊ |
| 39 | Partition* Disk::getPartition(UInt32 index)␊ |
| 40 | {␊ |
| 41 | PartitionList* current = mPartitions;␊ |
| 42 | while(current)␊ |
| 43 | {␊ |
| 44 | if(current->entry->getPartitionNumber() == index)␊ |
| 45 | {␊ |
| 46 | return current->entry;␊ |
| 47 | }␊ |
| 48 | else␊ |
| 49 | {␊ |
| 50 | current = current->next;␊ |
| 51 | }␊ |
| 52 | }␊ |
| 53 | ␊ |
| 54 | return NULL;␊ |
| 55 | }␊ |
| 56 | ␊ |
| 57 | void Disk::addPartition(Partition* partition)␊ |
| 58 | {␊ |
| 59 | PartitionList* list = new PartitionList;␊ |
| 60 | list->entry = partition;␊ |
| 61 | list->next = mPartitions;␊ |
| 62 | mPartitions = list;␊ |
| 63 | } |
