From 0b8d982acae2ae102e6dee29afff3b621f32cd8f Mon Sep 17 00:00:00 2001
From: BiSaXa <1669855+BiSaXa@users.noreply.github.com>
Date: Wed, 7 Sep 2022 23:08:58 +0300
Subject: class parses and other stuff

---
 utils/utils.go | 34 +++++++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

(limited to 'utils/utils.go')

diff --git a/utils/utils.go b/utils/utils.go
index 46b707c..d25fa36 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -1,6 +1,11 @@
 package utils
 
-import "os"
+import (
+	"os"
+	"unsafe"
+
+	"github.com/bisaxa/bitreader"
+)
 
 func CheckError(e error) {
 	if e != nil {
@@ -13,3 +18,30 @@ func ReadByteFromFile(file *os.File, size int32) []byte {
 	file.Read(tmp)
 	return tmp
 }
+
+func ReadStringFromFile(file *os.File) string {
+	var output string
+	reader := bitreader.Reader(file, true)
+	for {
+		value, err := reader.ReadBytes(1)
+		CheckError(err)
+		if value == 0 {
+			break
+		}
+		output += string(rune(value))
+	}
+	return output
+}
+
+func FloatArrFromBytes(byteArr []byte) []float32 {
+	if len(byteArr) == 0 {
+		return nil
+	}
+	l := len(byteArr) / 4
+	ptr := unsafe.Pointer(&byteArr[0])
+	// It is important to keep in mind that the Go garbage collector
+	// will not interact with this data, and that if src if freed,
+	// the behavior of any Go code using the slice is nondeterministic.
+	// Reference: https://github.com/golang/go/wiki/cgo#turning-c-arrays-into-go-slices
+	return (*[1 << 26]float32)((*[1 << 26]float32)(ptr))[:l:l]
+}
-- 
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