public class org.jf.util.ConsoleUtil
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.jf.util.ConsoleUtil
super_class: java.lang.Object
{
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/jf/util/ConsoleUtil;
public static int getConsoleWidth();
descriptor: ()I
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=0, args_size=0
0: ldc "os.name"
invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
invokevirtual java.lang.String.toLowerCase:()Ljava/lang/String;
ldc "windows"
invokevirtual java.lang.String.contains:(Ljava/lang/CharSequence;)Z
ifeq 5
1: invokestatic org.jf.util.ConsoleUtil.attemptMode:()I
2: ireturn
3: StackMap locals:
StackMap stack: java.lang.Exception
pop
4: goto 8
5: StackMap locals:
StackMap stack:
invokestatic org.jf.util.ConsoleUtil.attemptStty:()I
6: ireturn
7: StackMap locals:
StackMap stack: java.lang.Exception
pop
8: StackMap locals:
StackMap stack:
bipush 80
ireturn
LocalVariableTable:
Start End Slot Name Signature
Exception table:
from to target type
1 2 3 Class java.lang.Exception
5 6 7 Class java.lang.Exception
private static int attemptStty();
descriptor: ()I
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=4, locals=2, args_size=0
0: iconst_3
anewarray java.lang.String
dup
iconst_0
ldc "sh"
aastore
dup
iconst_1
ldc "-c"
aastore
dup
iconst_2
ldc "stty size < /dev/tty"
aastore
invokestatic org.jf.util.ConsoleUtil.attemptCommand:([Ljava/lang/String;)Ljava/lang/String;
astore 0
start local 0 1: aload 0
ifnonnull 3
2: bipush 80
ireturn
3: StackMap locals: java.lang.String
StackMap stack:
aload 0
ldc " "
invokevirtual java.lang.String.split:(Ljava/lang/String;)[Ljava/lang/String;
astore 1
start local 1 4: aload 1
arraylength
iconst_2
if_icmpge 6
5: bipush 80
ireturn
6: StackMap locals: java.lang.String[]
StackMap stack:
aload 1
iconst_1
aaload
invokestatic java.lang.Integer.parseInt:(Ljava/lang/String;)I
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
1 7 0 output Ljava/lang/String;
4 7 1 vals [Ljava/lang/String;
private static int attemptMode();
descriptor: ()I
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=4, locals=3, args_size=0
0: iconst_2
anewarray java.lang.String
dup
iconst_0
ldc "mode"
aastore
dup
iconst_1
ldc "con"
aastore
invokestatic org.jf.util.ConsoleUtil.attemptCommand:([Ljava/lang/String;)Ljava/lang/String;
astore 0
start local 0 1: aload 0
ifnonnull 3
2: bipush 80
ireturn
3: StackMap locals: java.lang.String
StackMap stack:
ldc "Columns:[ \t]*(\\d+)"
invokestatic java.util.regex.Pattern.compile:(Ljava/lang/String;)Ljava/util/regex/Pattern;
astore 1
start local 1 4: aload 1
aload 0
invokevirtual java.util.regex.Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
astore 2
start local 2 5: aload 2
invokevirtual java.util.regex.Matcher.find:()Z
ifne 7
6: bipush 80
ireturn
7: StackMap locals: java.util.regex.Pattern java.util.regex.Matcher
StackMap stack:
aload 2
iconst_1
invokevirtual java.util.regex.Matcher.group:(I)Ljava/lang/String;
invokestatic java.lang.Integer.parseInt:(Ljava/lang/String;)I
ireturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
1 8 0 output Ljava/lang/String;
4 8 1 pattern Ljava/util/regex/Pattern;
5 8 2 m Ljava/util/regex/Matcher;
private static java.lang.String attemptCommand(java.lang.String[]);
descriptor: ([Ljava/lang/String;)Ljava/lang/String;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=5, locals=5, args_size=1
start local 0 0: aconst_null
astore 1
start local 1 1: invokestatic java.lang.Runtime.getRuntime:()Ljava/lang/Runtime;
aload 0
invokevirtual java.lang.Runtime.exec:([Ljava/lang/String;)Ljava/lang/Process;
astore 2
start local 2 2: new java.io.BufferedReader
dup
new java.io.InputStreamReader
dup
aload 2
invokevirtual java.lang.Process.getInputStream:()Ljava/io/InputStream;
invokespecial java.io.InputStreamReader.<init>:(Ljava/io/InputStream;)V
invokespecial java.io.BufferedReader.<init>:(Ljava/io/Reader;)V
astore 3
start local 3 3: goto 7
start local 4 4: StackMap locals: java.lang.String[] java.lang.StringBuffer java.lang.Process java.io.BufferedReader java.lang.String
StackMap stack:
aload 1
ifnonnull 6
5: new java.lang.StringBuffer
dup
invokespecial java.lang.StringBuffer.<init>:()V
astore 1
6: StackMap locals:
StackMap stack:
aload 1
aload 4
invokevirtual java.lang.StringBuffer.append:(Ljava/lang/String;)Ljava/lang/StringBuffer;
pop
end local 4 7: StackMap locals:
StackMap stack:
aload 3
invokevirtual java.io.BufferedReader.readLine:()Ljava/lang/String;
dup
astore 4
start local 4 8: ifnonnull 4
9: aload 1
ifnull 12
10: aload 1
invokevirtual java.lang.StringBuffer.toString:()Ljava/lang/String;
11: areturn
12: StackMap locals: java.lang.String
StackMap stack:
aconst_null
areturn
end local 4 end local 3 end local 2 13: StackMap locals: java.lang.String[] java.lang.StringBuffer
StackMap stack: java.lang.Exception
pop
14: aconst_null
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 15 0 command [Ljava/lang/String;
1 15 1 buffer Ljava/lang/StringBuffer;
2 13 2 p Ljava/lang/Process;
3 13 3 reader Ljava/io/BufferedReader;
4 7 4 line Ljava/lang/String;
8 13 4 line Ljava/lang/String;
Exception table:
from to target type
1 11 13 Class java.lang.Exception
MethodParameters:
Name Flags
command
}
SourceFile: "ConsoleUtil.java"