github.com/keybase/client/go@v0.0.0-20240309051027-028f7c731f8b/kbfs/data/dir_entry.go (about)

     1  // Copyright 2016 Keybase Inc. All rights reserved.
     2  // Use of this source code is governed by a BSD
     3  // license that can be found in the LICENSE file.
     4  
     5  package data
     6  
     7  import "github.com/keybase/go-codec/codec"
     8  
     9  // DirEntry is all the data info a directory know about its child.
    10  type DirEntry struct {
    11  	BlockInfo
    12  	EntryInfo
    13  
    14  	codec.UnknownFieldSetHandler
    15  }
    16  
    17  // IsInitialized returns true if this DirEntry has been initialized.
    18  func (de *DirEntry) IsInitialized() bool {
    19  	return de.BlockPointer.IsInitialized()
    20  }
    21  
    22  // DirEntryWithName combines a DirEntry with the name pointing to that
    23  // entry within a directory.
    24  type DirEntryWithName struct {
    25  	DirEntry
    26  	entryName string
    27  }
    28  
    29  // DirEntries is a slice of `DirEntryWithName` instances.
    30  type DirEntries []DirEntryWithName
    31  
    32  // DirEntriesBySizeAsc sorts entries in order of ascending name.
    33  type DirEntriesBySizeAsc struct{ DirEntries }
    34  
    35  // DirEntriesBySizeDesc sorts entries in order of descending name.
    36  type DirEntriesBySizeDesc struct{ DirEntries }
    37  
    38  // Swap implements the sort.Interface interface for DirEntries.
    39  func (d DirEntries) Swap(i, j int) { d[i], d[j] = d[j], d[i] }
    40  
    41  // Len implements the sort.Interface interface for DirEntries.
    42  func (d DirEntries) Len() int { return len(d) }
    43  
    44  // Less implements the sort.Interface interface for DirEntriesBySizeAsc.
    45  func (d DirEntriesBySizeAsc) Less(i, j int) bool { return d.DirEntries[i].Size < d.DirEntries[j].Size }
    46  
    47  // Less implements the sort.Interface interface for DirEntriesBySizeDesc.
    48  func (d DirEntriesBySizeDesc) Less(i, j int) bool { return d.DirEntries[i].Size > d.DirEntries[j].Size }
    49  
    50  // DirEntryMapToDirEntries returns a `DirEntries` slice of all the
    51  // entries in the given map.
    52  func DirEntryMapToDirEntries(entryMap map[string]DirEntry) DirEntries {
    53  	dirEntries := make(DirEntries, 0, len(entryMap))
    54  	for name, entry := range entryMap {
    55  		dirEntries = append(dirEntries, DirEntryWithName{entry, name})
    56  	}
    57  	return dirEntries
    58  }