Notes added by 'git notes append'

This commit is contained in:
Jeff Carr 2025-01-10 04:27:15 -06:00
parent 1566912520
commit a91086901b
1 changed files with 97 additions and 0 deletions

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@ -640,3 +640,100 @@ func file_file_proto_init() {
}
// `autogen:file.sort.pb.go`
// Code generated by go.wit.com/apps/autogenpb DO NOT EDIT.
// This file was autogenerated with autogenpb v0.0.38-3-g25ae7fc 2025.01.10_0416
// go install go.wit.com/apps/autogenpb@latest
//
// define which structs (messages) you want to use in the .proto file
// Then sort.pb.go and marshal.pb.go files are autogenerated
//
// autogenpb uses it and has an example .proto file with instructions
//
package main
import (
"fmt"
"sync"
)
// bad global lock until modifying the .pb.go file is tested
// sync.RWMutex or sync.Mutex?
var fileMu sync.RWMutex
type FileIterator struct {
sync.RWMutex
things []*File
index int
}
// NewFileIterator initializes a new iterator.
func NewFileIterator(things []*File) *FileIterator {
return &FileIterator{things: things}
}
// Scan moves to the next element and returns false if there are no more things.
// Use Scan() in a loop, similar to a while loop
//
// for iterator.Scan()
// d := iterator.Next(
// fmt.Println("found UUID:", d.Uuid
// }
func (it *FileIterator) Scan() bool {
if it.index >= len(it.things) {
return false
}
it.index++
return true
}
// Next() returns the next thing in the array
func (it *FileIterator) Next() *File {
if it.things[it.index-1] == nil {
for i, d := range it.things {
fmt.Println("i =", i, d)
}
}
return it.things[it.index-1]
}
func (all *Files) All() *FileIterator {
FilePointers := all.selectAllFile()
iterator := NewFileIterator(FilePointers)
return iterator
}
func (all *Files) Len() int {
all.Lock.RLock()
defer all.Lock.RUnlock()
return len(all.Files)
}
// safely returns a slice of pointers to the File protobufs
func (all *Files) selectAllFile() []*File {
all.Lock.RLock()
defer all.Lock.RUnlock()
// Create a new slice to hold pointers to each File
var tmp []*File
tmp = make([]*File, len(all.Files))
for i, p := range all.Files {
tmp[i] = p // Copy pointers for safe iteration
}
return tmp
}
// maybe seperate files here?
// just a simple Append() with no checking (but still uses the mutex lock)
func (all *Files) Append(newP *File) bool {
all.Lock.RLock()
defer all.Lock.RUnlock()
all.Files = append(all.Files, newP)
return true
}