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mirror of https://github.com/garraflavatra/go-fmp.git synced 2025-06-28 04:25:11 +00:00
This commit is contained in:
2025-06-12 21:21:55 +02:00
parent f72d9510d4
commit 7fa7a3787d
7 changed files with 83 additions and 71 deletions

View File

@ -2,6 +2,8 @@ package fmp
import (
"bytes"
"encoding/hex"
"fmt"
"io"
"os"
"time"
@ -29,18 +31,18 @@ func OpenFile(path string) (*FmpFile, error) {
}
defer stream.Close()
ctx := &FmpFile{Stream: stream, Dictionary: &FmpDict{}}
ctx := &FmpFile{stream: stream, Dictionary: &FmpDict{}}
if err := ctx.readHeader(); err != nil {
return nil, err
}
ctx.FileSize = uint(info.Size())
ctx.NumSectors = ctx.FileSize / sectorSize
ctx.Sectors = make([]*FmpSector, ctx.NumSectors)
ctx.numSectors = ctx.FileSize / sectorSize
ctx.Sectors = make([]*FmpSector, ctx.numSectors)
currentPath := make([]uint64, 0)
for i := uint(0); i < ctx.NumSectors; i++ {
for i := uint(0); i < ctx.numSectors; i++ {
sector, err := ctx.readSector()
if err == io.EOF {
break
@ -94,7 +96,7 @@ func OpenFile(path string) (*FmpFile, error) {
func (ctx *FmpFile) readHeader() error {
buf := make([]byte, sectorSize)
_, err := ctx.Stream.Read(buf)
_, err := ctx.stream.Read(buf)
if err != nil {
return err
}
@ -118,7 +120,7 @@ func (ctx *FmpFile) readHeader() error {
func (ctx *FmpFile) readSector() (*FmpSector, error) {
buf := make([]byte, sectorHeaderSize)
n, err := ctx.Stream.Read(buf)
n, err := ctx.stream.Read(buf)
if n == 0 {
return nil, io.EOF
@ -135,7 +137,7 @@ func (ctx *FmpFile) readSector() (*FmpSector, error) {
}
payload := make([]byte, sectorSize-sectorHeaderSize)
n, err = ctx.Stream.Read(payload)
n, err = ctx.stream.Read(payload)
if n != sectorSize-sectorHeaderSize {
return nil, ErrRead
}
@ -146,6 +148,9 @@ func (ctx *FmpFile) readSector() (*FmpSector, error) {
for {
chunk, err := ctx.readChunk(payload)
if chunk != nil {
fmt.Printf("%s - (type%v)\n", hex.EncodeToString([]byte{payload[0]}), int(chunk.Type))
}
if err == io.EOF {
break
}