202 lines
3.1 KiB
Smali
202 lines
3.1 KiB
Smali
.class public Lcom/coremedia/iso/Hex;
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.super Ljava/lang/Object;
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.source "Hex.java"
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# static fields
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.field private static final DIGITS:[C
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# direct methods
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.method public static constructor <clinit>()V
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.locals 1
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const/16 v0, 0x10
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new-array v0, v0, [C
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.line 1
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fill-array-data v0, :array_0
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sput-object v0, Lcom/coremedia/iso/Hex;->DIGITS:[C
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return-void
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:array_0
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.array-data 2
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0x30s
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0x31s
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0x32s
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0x33s
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0x34s
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0x35s
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0x36s
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0x37s
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0x38s
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0x39s
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0x41s
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0x42s
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0x43s
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0x44s
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0x45s
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0x46s
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.end array-data
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.end method
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.method public constructor <init>()V
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.locals 0
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.line 1
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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return-void
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.end method
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.method public static decodeHex(Ljava/lang/String;)[B
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.locals 4
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.line 1
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new-instance v0, Ljava/io/ByteArrayOutputStream;
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invoke-direct {v0}, Ljava/io/ByteArrayOutputStream;-><init>()V
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const/4 v1, 0x0
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.line 2
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:goto_0
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invoke-virtual {p0}, Ljava/lang/String;->length()I
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move-result v2
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if-lt v1, v2, :cond_0
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.line 3
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invoke-virtual {v0}, Ljava/io/ByteArrayOutputStream;->toByteArray()[B
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move-result-object p0
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return-object p0
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:cond_0
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add-int/lit8 v2, v1, 0x2
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.line 4
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invoke-virtual {p0, v1, v2}, Ljava/lang/String;->substring(II)Ljava/lang/String;
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move-result-object v1
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const/16 v3, 0x10
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invoke-static {v1, v3}, Ljava/lang/Integer;->parseInt(Ljava/lang/String;I)I
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move-result v1
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.line 5
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invoke-virtual {v0, v1}, Ljava/io/ByteArrayOutputStream;->write(I)V
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move v1, v2
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goto :goto_0
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.end method
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.method public static encodeHex([B)Ljava/lang/String;
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.locals 1
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const/4 v0, 0x0
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.line 1
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invoke-static {p0, v0}, Lcom/coremedia/iso/Hex;->encodeHex([BI)Ljava/lang/String;
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move-result-object p0
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return-object p0
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.end method
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.method public static encodeHex([BI)Ljava/lang/String;
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.locals 7
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.line 2
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array-length v0, p0
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shl-int/lit8 v1, v0, 0x1
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const/4 v2, 0x0
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if-lez p1, :cond_0
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.line 3
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div-int v3, v0, p1
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goto :goto_0
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:cond_0
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move v3, v2
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:goto_0
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add-int/2addr v1, v3
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new-array v1, v1, [C
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move v3, v2
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:goto_1
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if-lt v2, v0, :cond_1
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.line 4
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new-instance p0, Ljava/lang/String;
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invoke-direct {p0, v1}, Ljava/lang/String;-><init>([C)V
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return-object p0
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:cond_1
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if-lez p1, :cond_2
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.line 5
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rem-int v4, v2, p1
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if-nez v4, :cond_2
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if-lez v3, :cond_2
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add-int/lit8 v4, v3, 0x1
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const/16 v5, 0x2d
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.line 6
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aput-char v5, v1, v3
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move v3, v4
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:cond_2
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add-int/lit8 v4, v3, 0x1
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.line 7
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sget-object v5, Lcom/coremedia/iso/Hex;->DIGITS:[C
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aget-byte v6, p0, v2
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and-int/lit16 v6, v6, 0xf0
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ushr-int/lit8 v6, v6, 0x4
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aget-char v6, v5, v6
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aput-char v6, v1, v3
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add-int/lit8 v3, v4, 0x1
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.line 8
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aget-byte v6, p0, v2
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and-int/lit8 v6, v6, 0xf
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aget-char v5, v5, v6
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aput-char v5, v1, v4
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add-int/lit8 v2, v2, 0x1
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goto :goto_1
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.end method
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