505 lines
7.2 KiB
Smali
505 lines
7.2 KiB
Smali
.class public final Lcom/google/zxing/common/StringUtils;
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.super Ljava/lang/Object;
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.source "StringUtils.java"
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# static fields
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.field private static final ASSUME_SHIFT_JIS:Z
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.field private static final EUC_JP:Ljava/lang/String; = "EUC_JP"
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.field public static final GB2312:Ljava/lang/String; = "GB2312"
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.field private static final ISO88591:Ljava/lang/String; = "ISO8859_1"
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.field private static final PLATFORM_DEFAULT_ENCODING:Ljava/lang/String;
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.field public static final SHIFT_JIS:Ljava/lang/String; = "SJIS"
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.field private static final UTF8:Ljava/lang/String; = "UTF8"
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# direct methods
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.method public static constructor <clinit>()V
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.locals 2
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const-string v0, "file.encoding"
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.line 1
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invoke-static {v0}, Ljava/lang/System;->getProperty(Ljava/lang/String;)Ljava/lang/String;
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move-result-object v0
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.line 2
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sput-object v0, Lcom/google/zxing/common/StringUtils;->PLATFORM_DEFAULT_ENCODING:Ljava/lang/String;
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const-string v1, "SJIS"
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.line 3
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invoke-virtual {v1, v0}, Ljava/lang/String;->equalsIgnoreCase(Ljava/lang/String;)Z
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move-result v1
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if-nez v1, :cond_0
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const-string v1, "EUC_JP"
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.line 4
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invoke-virtual {v1, v0}, Ljava/lang/String;->equalsIgnoreCase(Ljava/lang/String;)Z
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move-result v0
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if-nez v0, :cond_0
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const/4 v0, 0x0
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goto :goto_0
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:cond_0
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const/4 v0, 0x1
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.line 5
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:goto_0
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sput-boolean v0, Lcom/google/zxing/common/StringUtils;->ASSUME_SHIFT_JIS:Z
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return-void
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.end method
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.method private 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 guessEncoding([BLjava/util/Map;)Ljava/lang/String;
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.locals 19
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.annotation system Ldalvik/annotation/Signature;
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value = {
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"([B",
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"Ljava/util/Map<",
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"Lcom/google/zxing/DecodeHintType;",
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"*>;)",
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"Ljava/lang/String;"
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}
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.end annotation
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move-object/from16 v0, p0
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move-object/from16 v1, p1
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if-eqz v1, :cond_0
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.line 1
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sget-object v2, Lcom/google/zxing/DecodeHintType;->CHARACTER_SET:Lcom/google/zxing/DecodeHintType;
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invoke-interface {v1, v2}, Ljava/util/Map;->get(Ljava/lang/Object;)Ljava/lang/Object;
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move-result-object v1
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check-cast v1, Ljava/lang/String;
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if-eqz v1, :cond_0
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return-object v1
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.line 2
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:cond_0
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array-length v1, v0
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.line 3
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array-length v2, v0
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const/4 v3, 0x2
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const/4 v4, 0x3
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const/4 v5, 0x1
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const/4 v6, 0x0
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if-le v2, v4, :cond_1
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.line 4
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aget-byte v2, v0, v6
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const/16 v7, -0x11
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if-ne v2, v7, :cond_1
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.line 5
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aget-byte v2, v0, v5
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const/16 v7, -0x45
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if-ne v2, v7, :cond_1
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.line 6
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aget-byte v2, v0, v3
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const/16 v7, -0x41
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if-ne v2, v7, :cond_1
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move v2, v5
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goto :goto_0
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:cond_1
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move v2, v6
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:goto_0
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move v7, v5
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move v8, v7
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move v3, v6
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move v9, v3
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move v10, v9
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move v11, v10
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move v12, v11
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move v13, v12
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move v14, v13
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move v15, v14
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move/from16 v16, v15
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move/from16 v17, v16
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move/from16 v18, v17
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:goto_1
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if-ge v9, v1, :cond_16
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if-nez v5, :cond_2
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if-nez v7, :cond_2
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if-nez v8, :cond_2
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goto/16 :goto_9
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.line 7
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:cond_2
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aget-byte v4, v0, v9
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and-int/lit16 v4, v4, 0xff
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if-eqz v8, :cond_9
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if-lez v10, :cond_5
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and-int/lit16 v0, v4, 0x80
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if-nez v0, :cond_4
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:cond_3
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:goto_2
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const/4 v8, 0x0
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goto :goto_3
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:cond_4
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add-int/lit8 v10, v10, -0x1
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goto :goto_3
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:cond_5
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and-int/lit16 v0, v4, 0x80
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if-eqz v0, :cond_9
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and-int/lit8 v0, v4, 0x40
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if-nez v0, :cond_6
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goto :goto_2
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:cond_6
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add-int/lit8 v10, v10, 0x1
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and-int/lit8 v0, v4, 0x20
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if-nez v0, :cond_7
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add-int/lit8 v12, v12, 0x1
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goto :goto_3
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:cond_7
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add-int/lit8 v10, v10, 0x1
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and-int/lit8 v0, v4, 0x10
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if-nez v0, :cond_8
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add-int/lit8 v13, v13, 0x1
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goto :goto_3
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:cond_8
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add-int/lit8 v10, v10, 0x1
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and-int/lit8 v0, v4, 0x8
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if-nez v0, :cond_3
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add-int/lit8 v14, v14, 0x1
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:cond_9
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:goto_3
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const/16 v0, 0x7f
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if-eqz v5, :cond_c
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if-le v4, v0, :cond_a
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const/16 v0, 0xa0
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if-ge v4, v0, :cond_a
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const/4 v5, 0x0
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goto :goto_4
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:cond_a
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const/16 v0, 0x9f
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if-le v4, v0, :cond_c
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const/16 v0, 0xc0
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if-lt v4, v0, :cond_b
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const/16 v0, 0xd7
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if-eq v4, v0, :cond_b
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const/16 v0, 0xf7
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if-ne v4, v0, :cond_c
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:cond_b
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add-int/lit8 v16, v16, 0x1
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:cond_c
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:goto_4
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if-eqz v7, :cond_15
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if-lez v11, :cond_e
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const/16 v0, 0x40
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if-lt v4, v0, :cond_14
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const/16 v0, 0x7f
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if-eq v4, v0, :cond_14
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const/16 v0, 0xfc
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if-le v4, v0, :cond_d
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goto :goto_7
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:cond_d
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add-int/lit8 v11, v11, -0x1
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goto :goto_8
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:cond_e
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const/16 v0, 0x80
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if-eq v4, v0, :cond_14
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const/16 v0, 0xa0
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if-eq v4, v0, :cond_14
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const/16 v0, 0xef
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if-le v4, v0, :cond_f
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goto :goto_7
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:cond_f
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const/16 v0, 0xa0
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if-le v4, v0, :cond_11
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const/16 v0, 0xe0
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if-ge v4, v0, :cond_11
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add-int/lit8 v3, v3, 0x1
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add-int/lit8 v0, v18, 0x1
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if-le v0, v15, :cond_10
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move v15, v0
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move/from16 v18, v15
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goto :goto_5
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:cond_10
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move/from16 v18, v0
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:goto_5
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const/16 v17, 0x0
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goto :goto_8
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:cond_11
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const/16 v0, 0x7f
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if-le v4, v0, :cond_13
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add-int/lit8 v11, v11, 0x1
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add-int/lit8 v0, v17, 0x1
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if-le v0, v6, :cond_12
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move v6, v0
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move/from16 v17, v6
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goto :goto_6
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:cond_12
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move/from16 v17, v0
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goto :goto_6
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:cond_13
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const/16 v17, 0x0
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:goto_6
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const/16 v18, 0x0
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goto :goto_8
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:cond_14
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:goto_7
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const/4 v7, 0x0
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:cond_15
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:goto_8
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add-int/lit8 v9, v9, 0x1
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move-object/from16 v0, p0
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const/4 v4, 0x3
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goto/16 :goto_1
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:cond_16
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:goto_9
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if-eqz v8, :cond_17
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if-lez v10, :cond_17
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const/4 v8, 0x0
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:cond_17
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if-eqz v7, :cond_18
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if-lez v11, :cond_18
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const/4 v7, 0x0
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:cond_18
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const-string v0, "UTF8"
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if-eqz v8, :cond_1a
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if-nez v2, :cond_19
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add-int/2addr v12, v13
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add-int/2addr v12, v14
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if-lez v12, :cond_1a
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:cond_19
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return-object v0
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:cond_1a
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const-string v2, "SJIS"
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if-eqz v7, :cond_1c
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.line 8
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sget-boolean v4, Lcom/google/zxing/common/StringUtils;->ASSUME_SHIFT_JIS:Z
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if-nez v4, :cond_1b
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const/4 v4, 0x3
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if-ge v15, v4, :cond_1b
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if-lt v6, v4, :cond_1c
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:cond_1b
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return-object v2
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:cond_1c
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const-string v4, "ISO8859_1"
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if-eqz v5, :cond_20
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if-eqz v7, :cond_20
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const/4 v6, 0x2
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if-ne v15, v6, :cond_1d
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if-eq v3, v6, :cond_1f
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:cond_1d
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mul-int/lit8 v0, v16, 0xa
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if-lt v0, v1, :cond_1e
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goto :goto_a
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:cond_1e
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move-object v2, v4
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:cond_1f
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:goto_a
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return-object v2
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:cond_20
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if-eqz v5, :cond_21
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return-object v4
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:cond_21
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if-eqz v7, :cond_22
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return-object v2
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:cond_22
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if-eqz v8, :cond_23
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return-object v0
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.line 9
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:cond_23
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sget-object v0, Lcom/google/zxing/common/StringUtils;->PLATFORM_DEFAULT_ENCODING:Ljava/lang/String;
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return-object v0
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.end method
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