72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
#ifndef HGL_IO_JAVA_INPUT_STREAM_INCLUDE
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#define HGL_IO_JAVA_INPUT_STREAM_INCLUDE
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#include<hgl/io/DataInputStream.h>
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namespace hgl
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{
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namespace io
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{
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/**
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* Java数据输入流<br>
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* 接口类似于java.io.DataInputStream，用于和Java程序进行交互
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*/
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class JavaInputStream
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{
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protected:
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BEDataInputStream *in;
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public:
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JavaInputStream(InputStream *is)
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{
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in=new BEDataInputStream(is);
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}
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virtual ~JavaInputStream()
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{
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delete in;
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}
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int64 read (void *ptr,int size){return in?in->ReadFully(ptr,size):-1;}
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int skipBytes (int size) {return in?in->Seek(size,SeekOrigin::Current):-1;}
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bool readBoolean (bool &b) {return in?in->ReadBool (b):false;}
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bool readByte (int8 &i) {return in?in->ReadInt8 (i):false;}
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bool readUnsignedByte (uint8 &i) {return in?in->ReadUint8 (i):false;}
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bool readShort (int16 &i) {return in?in->ReadInt16 (i):false;}
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bool readUnsignedShort (uint16 &i) {return in?in->ReadUint16 (i):false;}
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bool readInt (int32 &i) {return in?in->ReadInt32 (i):false;}
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bool readLong (int64 &i) {return in?in->ReadInt64 (i):false;}
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bool readFloat (float &f) {return in?in->ReadFloat (f):false;}
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bool readDouble (double &d) {return in?in->ReadDouble (d):false;}
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bool readChar (u16char &c)
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{
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if(!in)
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return(false);
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uint16 c16;
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if(!in->Read(c16))
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return(false);
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c=BigToCurrentEndian(c16);
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return(true);
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}
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bool readChars (u16char *wstr,const int count)
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{
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return in?in->ReadUTF16BEChars(wstr,count):false;
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}
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bool readUTF (U16String &str)
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{
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return in?in->ReadUTF8ShortString(str):false;
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}
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};//class JavaInputStream
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}//namespace io
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}//namespace hgl
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#endif//HGL_IO_JAVA_INPUT_STREAM_INCLUDE
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