ID3v2DataInput.smali

.class public Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;
.super Ljava/lang/Object;
.source "ID3v2DataInput.java"


# instance fields
.field private final input:Ljava/io/InputStream;


# direct methods
.method static constructor <clinit>()V
    .registers 1

    return-void
.end method

.method public constructor <init>(Ljava/io/InputStream;)V
    .registers 2
    .param p1, "in"    # Ljava/io/InputStream;

    .line 25
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 26
    iput-object p1, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->input:Ljava/io/InputStream;

    .line 27
    return-void
.end method


# virtual methods
.method public readByte()B
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 60
    iget-object v0, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->input:Ljava/io/InputStream;

    invoke-virtual {v0}, Ljava/io/InputStream;->read()I

    move-result v0

    .line 61
    .local v0, "b":I
    if-ltz v0, :cond_a

    .line 64
    int-to-byte v1, v0

    return v1

    .line 62
    :cond_a
    new-instance v1, Ljava/io/EOFException;

    invoke-direct {v1}, Ljava/io/EOFException;-><init>()V

    throw v1
.end method

.method public final readFully([BII)V
    .registers 8
    .param p1, "b"    # [B
    .param p2, "off"    # I
    .param p3, "len"    # I
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 30
    const/4 v0, 0x0

    .line 31
    .local v0, "total":I
    :goto_1
    if-ge v0, p3, :cond_17

    .line 32
    iget-object v1, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->input:Ljava/io/InputStream;

    add-int v2, p2, v0

    sub-int v3, p3, v0

    invoke-virtual {v1, p1, v2, v3}, Ljava/io/InputStream;->read([BII)I

    move-result v1

    .line 33
    .local v1, "current":I
    if-lez v1, :cond_11

    .line 34
    add-int/2addr v0, v1

    .line 38
    .end local v1    # "current":I
    goto :goto_1

    .line 36
    .restart local v1    # "current":I
    :cond_11
    new-instance v2, Ljava/io/EOFException;

    invoke-direct {v2}, Ljava/io/EOFException;-><init>()V

    throw v2

    .line 39
    .end local v1    # "current":I
    :cond_17
    return-void
.end method

.method public readFully(I)[B
    .registers 4
    .param p1, "len"    # I
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 42
    new-array v0, p1, [B

    .line 43
    .local v0, "bytes":[B
    const/4 v1, 0x0

    invoke-virtual {p0, v0, v1, p1}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->readFully([BII)V

    .line 44
    return-object v0
.end method

.method public readInt()I
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 68
    invoke-virtual {p0}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->readByte()B

    move-result v0

    and-int/lit16 v0, v0, 0xff

    shl-int/lit8 v0, v0, 0x18

    invoke-virtual {p0}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->readByte()B

    move-result v1

    and-int/lit16 v1, v1, 0xff

    shl-int/lit8 v1, v1, 0x10

    or-int/2addr v0, v1

    invoke-virtual {p0}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->readByte()B

    move-result v1

    and-int/lit16 v1, v1, 0xff

    shl-int/lit8 v1, v1, 0x8

    or-int/2addr v0, v1

    invoke-virtual {p0}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->readByte()B

    move-result v1

    and-int/lit16 v1, v1, 0xff

    or-int/2addr v0, v1

    return v0
.end method

.method public readSyncsafeInt()I
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 72
    invoke-virtual {p0}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->readByte()B

    move-result v0

    and-int/lit8 v0, v0, 0x7f

    shl-int/lit8 v0, v0, 0x15

    invoke-virtual {p0}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->readByte()B

    move-result v1

    and-int/lit8 v1, v1, 0x7f

    shl-int/lit8 v1, v1, 0xe

    or-int/2addr v0, v1

    invoke-virtual {p0}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->readByte()B

    move-result v1

    and-int/lit8 v1, v1, 0x7f

    shl-int/lit8 v1, v1, 0x7

    or-int/2addr v0, v1

    invoke-virtual {p0}, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->readByte()B

    move-result v1

    and-int/lit8 v1, v1, 0x7f

    or-int/2addr v0, v1

    return v0
.end method

.method public skipFully(J)V
    .registers 10
    .param p1, "len"    # J
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 48
    const-wide/16 v0, 0x0

    .line 49
    .local v0, "total":J
    :goto_2
    cmp-long v2, v0, p1

    if-gez v2, :cond_1c

    .line 50
    iget-object v2, p0, Lim/tpelyyftgw/messenger/audioinfo/mp3/ID3v2DataInput;->input:Ljava/io/InputStream;

    sub-long v3, p1, v0

    invoke-virtual {v2, v3, v4}, Ljava/io/InputStream;->skip(J)J

    move-result-wide v2

    .line 51
    .local v2, "current":J
    const-wide/16 v4, 0x0

    cmp-long v6, v2, v4

    if-lez v6, :cond_16

    .line 52
    add-long/2addr v0, v2

    .line 56
    .end local v2    # "current":J
    goto :goto_2

    .line 54
    .restart local v2    # "current":J
    :cond_16
    new-instance v4, Ljava/io/EOFException;

    invoke-direct {v4}, Ljava/io/EOFException;-><init>()V

    throw v4

    .line 57
    .end local v2    # "current":J
    :cond_1c
    return-void
.end method