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- .class public final Lokio/GzipSource;
- .super Ljava/lang/Object;
- .source ""
- # interfaces
- .implements Lokio/Source;
- # static fields
- .field private static final FCOMMENT:B = 0x4t
- .field private static final FEXTRA:B = 0x2t
- .field private static final FHCRC:B = 0x1t
- .field private static final FNAME:B = 0x3t
- .field private static final SECTION_BODY:B = 0x1t
- .field private static final SECTION_DONE:B = 0x3t
- .field private static final SECTION_HEADER:B = 0x0t
- .field private static final SECTION_TRAILER:B = 0x2t
- # instance fields
- .field private final crc:Ljava/util/zip/CRC32;
- .field private final inflater:Ljava/util/zip/Inflater;
- .field private final inflaterSource:Lokio/InflaterSource;
- .field private section:I
- .field private final source:Lokio/BufferedSource;
- # direct methods
- .method public constructor <init>(Lokio/Source;)V
- .locals 2
- invoke-direct {p0}, Ljava/lang/Object;-><init>()V
- const/4 v0, 0x0
- iput v0, p0, Lokio/GzipSource;->section:I
- new-instance v0, Ljava/util/zip/CRC32;
- invoke-direct {v0}, Ljava/util/zip/CRC32;-><init>()V
- iput-object v0, p0, Lokio/GzipSource;->crc:Ljava/util/zip/CRC32;
- if-eqz p1, :cond_0
- new-instance v0, Ljava/util/zip/Inflater;
- const/4 v1, 0x1
- invoke-direct {v0, v1}, Ljava/util/zip/Inflater;-><init>(Z)V
- iput-object v0, p0, Lokio/GzipSource;->inflater:Ljava/util/zip/Inflater;
- invoke-static {p1}, Lokio/Okio;->buffer(Lokio/Source;)Lokio/BufferedSource;
- move-result-object p1
- iput-object p1, p0, Lokio/GzipSource;->source:Lokio/BufferedSource;
- new-instance p1, Lokio/InflaterSource;
- iget-object v0, p0, Lokio/GzipSource;->source:Lokio/BufferedSource;
- iget-object v1, p0, Lokio/GzipSource;->inflater:Ljava/util/zip/Inflater;
- invoke-direct {p1, v0, v1}, Lokio/InflaterSource;-><init>(Lokio/BufferedSource;Ljava/util/zip/Inflater;)V
- iput-object p1, p0, Lokio/GzipSource;->inflaterSource:Lokio/InflaterSource;
- return-void
- :cond_0
- new-instance p1, Ljava/lang/IllegalArgumentException;
- const-string v0, "source == null"
- invoke-direct {p1, v0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
- throw p1
- .end method
- .method private checkEqual(Ljava/lang/String;II)V
- .locals 3
- .annotation system Ldalvik/annotation/Throws;
- value = {
- Ljava/io/IOException;
- }
- .end annotation
- if-ne p3, p2, :cond_0
- return-void
- :cond_0
- new-instance v0, Ljava/io/IOException;
- const/4 v1, 0x3
- new-array v1, v1, [Ljava/lang/Object;
- const/4 v2, 0x0
- aput-object p1, v1, v2
- const/4 p1, 0x1
- invoke-static {p3}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;
- move-result-object p3
- aput-object p3, v1, p1
- const/4 p1, 0x2
- invoke-static {p2}, Ljava/lang/Integer;->valueOf(I)Ljava/lang/Integer;
- move-result-object p2
- aput-object p2, v1, p1
- const-string p1, "%s: actual 0x%08x != expected 0x%08x"
- invoke-static {p1, v1}, Ljava/lang/String;->format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
- move-result-object p1
- invoke-direct {v0, p1}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V
- throw v0
- .end method
- .method private consumeHeader()V
- .locals 17
- .annotation system Ldalvik/annotation/Throws;
- value = {
- Ljava/io/IOException;
- }
- .end annotation
- move-object/from16 v6, p0
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- const-wide/16 v1, 0xa
- invoke-interface {v0, v1, v2}, Lokio/BufferedSource;->require(J)V
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/BufferedSource;->buffer()Lokio/Buffer;
- move-result-object v0
- const-wide/16 v1, 0x3
- invoke-virtual {v0, v1, v2}, Lokio/Buffer;->getByte(J)B
- move-result v7
- shr-int/lit8 v0, v7, 0x1
- const/4 v8, 0x1
- and-int/2addr v0, v8
- const/4 v9, 0x0
- if-ne v0, v8, :cond_0
- const/4 v10, 0x1
- goto :goto_0
- :cond_0
- const/4 v10, 0x0
- :goto_0
- if-eqz v10, :cond_1
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/BufferedSource;->buffer()Lokio/Buffer;
- move-result-object v1
- const-wide/16 v2, 0x0
- const-wide/16 v4, 0xa
- move-object/from16 v0, p0
- invoke-direct/range {v0 .. v5}, Lokio/GzipSource;->updateCrc(Lokio/Buffer;JJ)V
- :cond_1
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/BufferedSource;->readShort()S
- move-result v0
- const/16 v1, 0x1f8b
- const-string v2, "ID1ID2"
- invoke-direct {v6, v2, v1, v0}, Lokio/GzipSource;->checkEqual(Ljava/lang/String;II)V
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- const-wide/16 v1, 0x8
- invoke-interface {v0, v1, v2}, Lokio/BufferedSource;->skip(J)V
- shr-int/lit8 v0, v7, 0x2
- and-int/2addr v0, v8
- if-ne v0, v8, :cond_4
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- const-wide/16 v1, 0x2
- invoke-interface {v0, v1, v2}, Lokio/BufferedSource;->require(J)V
- if-eqz v10, :cond_2
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/BufferedSource;->buffer()Lokio/Buffer;
- move-result-object v1
- const-wide/16 v2, 0x0
- const-wide/16 v4, 0x2
- move-object/from16 v0, p0
- invoke-direct/range {v0 .. v5}, Lokio/GzipSource;->updateCrc(Lokio/Buffer;JJ)V
- :cond_2
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/BufferedSource;->buffer()Lokio/Buffer;
- move-result-object v0
- invoke-virtual {v0}, Lokio/Buffer;->readShortLe()S
- move-result v0
- iget-object v1, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- int-to-long v11, v0
- invoke-interface {v1, v11, v12}, Lokio/BufferedSource;->require(J)V
- if-eqz v10, :cond_3
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/BufferedSource;->buffer()Lokio/Buffer;
- move-result-object v1
- const-wide/16 v2, 0x0
- move-object/from16 v0, p0
- move-wide v4, v11
- invoke-direct/range {v0 .. v5}, Lokio/GzipSource;->updateCrc(Lokio/Buffer;JJ)V
- :cond_3
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0, v11, v12}, Lokio/BufferedSource;->skip(J)V
- :cond_4
- shr-int/lit8 v0, v7, 0x3
- and-int/2addr v0, v8
- const-wide/16 v11, -0x1
- const-wide/16 v13, 0x1
- if-ne v0, v8, :cond_7
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0, v9}, Lokio/BufferedSource;->indexOf(B)J
- move-result-wide v15
- cmp-long v0, v15, v11
- if-eqz v0, :cond_6
- if-eqz v10, :cond_5
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/BufferedSource;->buffer()Lokio/Buffer;
- move-result-object v1
- const-wide/16 v2, 0x0
- add-long v4, v15, v13
- move-object/from16 v0, p0
- invoke-direct/range {v0 .. v5}, Lokio/GzipSource;->updateCrc(Lokio/Buffer;JJ)V
- :cond_5
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- add-long v1, v15, v13
- invoke-interface {v0, v1, v2}, Lokio/BufferedSource;->skip(J)V
- goto :goto_1
- :cond_6
- new-instance v0, Ljava/io/EOFException;
- invoke-direct {v0}, Ljava/io/EOFException;-><init>()V
- throw v0
- :cond_7
- :goto_1
- shr-int/lit8 v0, v7, 0x4
- and-int/2addr v0, v8
- if-ne v0, v8, :cond_a
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0, v9}, Lokio/BufferedSource;->indexOf(B)J
- move-result-wide v7
- cmp-long v0, v7, v11
- if-eqz v0, :cond_9
- if-eqz v10, :cond_8
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/BufferedSource;->buffer()Lokio/Buffer;
- move-result-object v1
- const-wide/16 v2, 0x0
- add-long v4, v7, v13
- move-object/from16 v0, p0
- invoke-direct/range {v0 .. v5}, Lokio/GzipSource;->updateCrc(Lokio/Buffer;JJ)V
- :cond_8
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- add-long/2addr v7, v13
- invoke-interface {v0, v7, v8}, Lokio/BufferedSource;->skip(J)V
- goto :goto_2
- :cond_9
- new-instance v0, Ljava/io/EOFException;
- invoke-direct {v0}, Ljava/io/EOFException;-><init>()V
- throw v0
- :cond_a
- :goto_2
- if-eqz v10, :cond_b
- iget-object v0, v6, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/BufferedSource;->readShortLe()S
- move-result v0
- iget-object v1, v6, Lokio/GzipSource;->crc:Ljava/util/zip/CRC32;
- invoke-virtual {v1}, Ljava/util/zip/CRC32;->getValue()J
- move-result-wide v1
- long-to-int v2, v1
- int-to-short v1, v2
- const-string v2, "FHCRC"
- invoke-direct {v6, v2, v0, v1}, Lokio/GzipSource;->checkEqual(Ljava/lang/String;II)V
- iget-object v0, v6, Lokio/GzipSource;->crc:Ljava/util/zip/CRC32;
- invoke-virtual {v0}, Ljava/util/zip/CRC32;->reset()V
- :cond_b
- return-void
- .end method
- .method private consumeTrailer()V
- .locals 3
- .annotation system Ldalvik/annotation/Throws;
- value = {
- Ljava/io/IOException;
- }
- .end annotation
- iget-object v0, p0, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/BufferedSource;->readIntLe()I
- move-result v0
- iget-object v1, p0, Lokio/GzipSource;->crc:Ljava/util/zip/CRC32;
- invoke-virtual {v1}, Ljava/util/zip/CRC32;->getValue()J
- move-result-wide v1
- long-to-int v2, v1
- const-string v1, "CRC"
- invoke-direct {p0, v1, v0, v2}, Lokio/GzipSource;->checkEqual(Ljava/lang/String;II)V
- iget-object v0, p0, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/BufferedSource;->readIntLe()I
- move-result v0
- iget-object v1, p0, Lokio/GzipSource;->inflater:Ljava/util/zip/Inflater;
- invoke-virtual {v1}, Ljava/util/zip/Inflater;->getBytesWritten()J
- move-result-wide v1
- long-to-int v2, v1
- const-string v1, "ISIZE"
- invoke-direct {p0, v1, v0, v2}, Lokio/GzipSource;->checkEqual(Ljava/lang/String;II)V
- return-void
- .end method
- .method private updateCrc(Lokio/Buffer;JJ)V
- .locals 5
- iget-object p1, p1, Lokio/Buffer;->head:Lokio/Segment;
- :goto_0
- iget v0, p1, Lokio/Segment;->limit:I
- iget v1, p1, Lokio/Segment;->pos:I
- sub-int v2, v0, v1
- int-to-long v2, v2
- cmp-long v4, p2, v2
- if-ltz v4, :cond_0
- sub-int/2addr v0, v1
- int-to-long v0, v0
- sub-long/2addr p2, v0
- iget-object p1, p1, Lokio/Segment;->next:Lokio/Segment;
- goto :goto_0
- :cond_0
- const-wide/16 v0, 0x0
- :goto_1
- cmp-long v2, p4, v0
- if-lez v2, :cond_1
- iget v2, p1, Lokio/Segment;->pos:I
- int-to-long v2, v2
- add-long/2addr v2, p2
- long-to-int p2, v2
- iget p3, p1, Lokio/Segment;->limit:I
- sub-int/2addr p3, p2
- int-to-long v2, p3
- invoke-static {v2, v3, p4, p5}, Ljava/lang/Math;->min(JJ)J
- move-result-wide v2
- long-to-int p3, v2
- iget-object v2, p0, Lokio/GzipSource;->crc:Ljava/util/zip/CRC32;
- iget-object v3, p1, Lokio/Segment;->data:[B
- invoke-virtual {v2, v3, p2, p3}, Ljava/util/zip/CRC32;->update([BII)V
- int-to-long p2, p3
- sub-long/2addr p4, p2
- iget-object p1, p1, Lokio/Segment;->next:Lokio/Segment;
- move-wide p2, v0
- goto :goto_1
- :cond_1
- return-void
- .end method
- # virtual methods
- .method public close()V
- .locals 1
- .annotation system Ldalvik/annotation/Throws;
- value = {
- Ljava/io/IOException;
- }
- .end annotation
- iget-object v0, p0, Lokio/GzipSource;->inflaterSource:Lokio/InflaterSource;
- invoke-virtual {v0}, Lokio/InflaterSource;->close()V
- return-void
- .end method
- .method public read(Lokio/Buffer;J)J
- .locals 11
- .annotation system Ldalvik/annotation/Throws;
- value = {
- Ljava/io/IOException;
- }
- .end annotation
- const-wide/16 v0, 0x0
- cmp-long v2, p2, v0
- if-ltz v2, :cond_6
- cmp-long v2, p2, v0
- if-nez v2, :cond_0
- return-wide v0
- :cond_0
- iget v0, p0, Lokio/GzipSource;->section:I
- const/4 v1, 0x1
- if-nez v0, :cond_1
- invoke-direct {p0}, Lokio/GzipSource;->consumeHeader()V
- iput v1, p0, Lokio/GzipSource;->section:I
- :cond_1
- iget v0, p0, Lokio/GzipSource;->section:I
- const-wide/16 v2, -0x1
- const/4 v4, 0x2
- if-ne v0, v1, :cond_3
- iget-wide v7, p1, Lokio/Buffer;->size:J
- iget-object v0, p0, Lokio/GzipSource;->inflaterSource:Lokio/InflaterSource;
- invoke-virtual {v0, p1, p2, p3}, Lokio/InflaterSource;->read(Lokio/Buffer;J)J
- move-result-wide p2
- cmp-long v0, p2, v2
- if-eqz v0, :cond_2
- move-object v5, p0
- move-object v6, p1
- move-wide v9, p2
- invoke-direct/range {v5 .. v10}, Lokio/GzipSource;->updateCrc(Lokio/Buffer;JJ)V
- return-wide p2
- :cond_2
- iput v4, p0, Lokio/GzipSource;->section:I
- :cond_3
- iget p1, p0, Lokio/GzipSource;->section:I
- if-ne p1, v4, :cond_5
- invoke-direct {p0}, Lokio/GzipSource;->consumeTrailer()V
- const/4 p1, 0x3
- iput p1, p0, Lokio/GzipSource;->section:I
- iget-object p1, p0, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {p1}, Lokio/BufferedSource;->exhausted()Z
- move-result p1
- if-eqz p1, :cond_4
- goto :goto_0
- :cond_4
- new-instance p1, Ljava/io/IOException;
- const-string p2, "gzip finished without exhausting source"
- invoke-direct {p1, p2}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V
- throw p1
- :cond_5
- :goto_0
- return-wide v2
- :cond_6
- new-instance p1, Ljava/lang/IllegalArgumentException;
- new-instance v0, Ljava/lang/StringBuilder;
- invoke-direct {v0}, Ljava/lang/StringBuilder;-><init>()V
- const-string v1, "byteCount < 0: "
- invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
- invoke-virtual {v0, p2, p3}, Ljava/lang/StringBuilder;->append(J)Ljava/lang/StringBuilder;
- invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
- move-result-object p2
- invoke-direct {p1, p2}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
- throw p1
- .end method
- .method public timeout()Lokio/Timeout;
- .locals 1
- iget-object v0, p0, Lokio/GzipSource;->source:Lokio/BufferedSource;
- invoke-interface {v0}, Lokio/Source;->timeout()Lokio/Timeout;
- move-result-object v0
- return-object v0
- .end method
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