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468 lines
7.2 KiB
468 lines
7.2 KiB
2 years ago
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.class public final Lcom/google/common/base/Utf8;
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.super Ljava/lang/Object;
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.source "Utf8.java"
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# annotations
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.annotation build Lcom/google/common/annotations/Beta;
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.end annotation
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.annotation build Lcom/google/common/annotations/GwtCompatible;
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.end annotation
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# direct methods
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.method private constructor <init>()V
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.locals 0
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.prologue
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.line 195
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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 encodedLength(Ljava/lang/CharSequence;)I
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.locals 8
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.prologue
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.line 50
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invoke-interface {p0}, Ljava/lang/CharSequence;->length()I
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move-result v2
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.line 52
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const/4 v0, 0x0
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.line 55
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:goto_0
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if-ge v0, v2, :cond_3
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invoke-interface {p0, v0}, Ljava/lang/CharSequence;->charAt(I)C
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move-result v1
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const/16 v3, 0x80
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if-ge v1, v3, :cond_3
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.line 56
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add-int/lit8 v0, v0, 0x1
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goto :goto_0
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.line 60
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:goto_1
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if-ge v1, v2, :cond_1
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.line 61
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invoke-interface {p0, v1}, Ljava/lang/CharSequence;->charAt(I)C
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move-result v3
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.line 62
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const/16 v4, 0x800
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if-ge v3, v4, :cond_0
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.line 63
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rsub-int/lit8 v3, v3, 0x7f
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ushr-int/lit8 v3, v3, 0x1f
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add-int/2addr v3, v0
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.line 60
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add-int/lit8 v0, v1, 0x1
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move v1, v0
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move v0, v3
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goto :goto_1
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.line 65
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:cond_0
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invoke-static {p0, v1}, Lcom/google/common/base/Utf8;->encodedLengthGeneral(Ljava/lang/CharSequence;I)I
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move-result v1
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add-int/2addr v0, v1
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.line 70
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:cond_1
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if-ge v0, v2, :cond_2
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.line 72
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new-instance v1, Ljava/lang/IllegalArgumentException;
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new-instance v2, Ljava/lang/StringBuilder;
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invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V
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const-string v3, "UTF-8 length does not fit in int: "
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invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
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move-result-object v2
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int-to-long v4, v0
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const-wide v6, 0x100000000L
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add-long/2addr v4, v6
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invoke-virtual {v2, v4, v5}, Ljava/lang/StringBuilder;->append(J)Ljava/lang/StringBuilder;
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move-result-object v0
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invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
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move-result-object v0
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invoke-direct {v1, v0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
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throw v1
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.line 75
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:cond_2
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return v0
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:cond_3
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move v1, v0
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move v0, v2
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goto :goto_1
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.end method
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.method private static encodedLengthGeneral(Ljava/lang/CharSequence;I)I
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.locals 5
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.prologue
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.line 79
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invoke-interface {p0}, Ljava/lang/CharSequence;->length()I
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move-result v2
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.line 80
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const/4 v1, 0x0
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move v0, p1
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.line 81
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:goto_0
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if-ge v0, v2, :cond_3
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.line 82
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invoke-interface {p0, v0}, Ljava/lang/CharSequence;->charAt(I)C
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move-result v3
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.line 83
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const/16 v4, 0x800
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if-ge v3, v4, :cond_1
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.line 84
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rsub-int/lit8 v3, v3, 0x7f
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ushr-int/lit8 v3, v3, 0x1f
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add-int/2addr v1, v3
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.line 81
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:cond_0
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:goto_1
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add-int/lit8 v0, v0, 0x1
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goto :goto_0
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.line 86
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:cond_1
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add-int/lit8 v1, v1, 0x2
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.line 88
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const v4, 0xd800
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if-gt v4, v3, :cond_0
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const v4, 0xdfff
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if-gt v3, v4, :cond_0
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.line 90
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invoke-static {p0, v0}, Ljava/lang/Character;->codePointAt(Ljava/lang/CharSequence;I)I
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move-result v3
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.line 91
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const/high16 v4, 0x10000
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if-ge v3, v4, :cond_2
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.line 92
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new-instance v1, Ljava/lang/IllegalArgumentException;
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new-instance v2, Ljava/lang/StringBuilder;
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invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V
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const-string v3, "Unpaired surrogate at index "
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invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
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move-result-object v2
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invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
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move-result-object v0
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invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
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move-result-object v0
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invoke-direct {v1, v0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
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throw v1
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.line 94
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:cond_2
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add-int/lit8 v0, v0, 0x1
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goto :goto_1
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.line 98
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:cond_3
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return v1
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.end method
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.method public static isWellFormed([B)Z
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.locals 2
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.prologue
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.line 112
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const/4 v0, 0x0
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array-length v1, p0
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invoke-static {p0, v0, v1}, Lcom/google/common/base/Utf8;->isWellFormed([BII)Z
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move-result v0
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return v0
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.end method
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.method public static isWellFormed([BII)Z
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.locals 2
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.prologue
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.line 125
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add-int v0, p1, p2
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.line 126
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array-length v1, p0
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invoke-static {p1, v0, v1}, Lcom/google/common/base/Preconditions;->checkPositionIndexes(III)V
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.line 128
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:goto_0
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if-ge p1, v0, :cond_1
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.line 129
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aget-byte v1, p0, p1
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if-gez v1, :cond_0
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.line 130
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invoke-static {p0, p1, v0}, Lcom/google/common/base/Utf8;->isWellFormedSlowPath([BII)Z
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move-result v0
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.line 133
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:goto_1
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return v0
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.line 128
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:cond_0
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add-int/lit8 p1, p1, 0x1
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goto :goto_0
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.line 133
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:cond_1
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const/4 v0, 0x1
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goto :goto_1
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.end method
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.method private static isWellFormedSlowPath([BII)Z
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.locals 8
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.prologue
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const/16 v7, -0x20
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const/16 v6, -0x60
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const/4 v1, 0x0
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const/16 v5, -0x41
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.line 137
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.line 143
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:goto_0
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if-lt p1, p2, :cond_0
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.line 144
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const/4 v0, 0x1
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.line 189
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:goto_1
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return v0
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.line 146
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:cond_0
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add-int/lit8 v2, p1, 0x1
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aget-byte v0, p0, p1
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if-gez v0, :cond_c
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.line 148
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if-ge v0, v7, :cond_3
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.line 150
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if-ne v2, p2, :cond_1
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move v0, v1
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.line 151
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goto :goto_1
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.line 155
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:cond_1
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const/16 v3, -0x3e
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if-lt v0, v3, :cond_2
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add-int/lit8 v0, v2, 0x1
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aget-byte v2, p0, v2
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if-le v2, v5, :cond_b
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:cond_2
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move v0, v1
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.line 156
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goto :goto_1
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.line 158
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:cond_3
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const/16 v3, -0x10
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if-ge v0, v3, :cond_8
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.line 160
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add-int/lit8 v3, v2, 0x1
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if-lt v3, p2, :cond_4
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move v0, v1
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.line 161
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goto :goto_1
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.line 163
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:cond_4
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add-int/lit8 v3, v2, 0x1
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aget-byte v2, p0, v2
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.line 164
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if-gt v2, v5, :cond_7
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if-ne v0, v7, :cond_5
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if-lt v2, v6, :cond_7
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:cond_5
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const/16 v4, -0x13
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if-ne v0, v4, :cond_6
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if-le v6, v2, :cond_7
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:cond_6
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add-int/lit8 v0, v3, 0x1
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aget-byte v2, p0, v3
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if-le v2, v5, :cond_b
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:cond_7
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move v0, v1
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.line 171
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goto :goto_1
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.line 175
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:cond_8
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add-int/lit8 v3, v2, 0x2
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if-lt v3, p2, :cond_9
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move v0, v1
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.line 176
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goto :goto_1
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.line 178
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:cond_9
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add-int/lit8 v3, v2, 0x1
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aget-byte v2, p0, v2
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.line 179
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if-gt v2, v5, :cond_a
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shl-int/lit8 v0, v0, 0x1c
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add-int/lit8 v2, v2, 0x70
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add-int/2addr v0, v2
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shr-int/lit8 v0, v0, 0x1e
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if-nez v0, :cond_a
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add-int/lit8 v2, v3, 0x1
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aget-byte v0, p0, v3
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if-gt v0, v5, :cond_a
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add-int/lit8 v0, v2, 0x1
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aget-byte v2, p0, v2
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if-le v2, v5, :cond_b
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:cond_a
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move v0, v1
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.line 189
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goto :goto_1
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:cond_b
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move p1, v0
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.line 192
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goto :goto_0
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:cond_c
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move p1, v2
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goto :goto_0
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.end method
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