K:/CMGDKv18/SDK/Source/UtilityTools/DB/CDBField.CPP文件参考

#include <hgl/db/cdbfield.h>

名字空间
namespace	hgl
	__MAKE_HGL__&&!__MAKE_PLUGIN__
namespace	hgl::cdb
	Chinese DataBase用名字空间
宏定义
#define	FIELD_GET_FUNC(func_name, type_name)
#define	FIELD_GET_ARRAY_FUNC(func_name, type_name, cbt_name)
函数
Field *	hgl::cdb::CreateField (const WideString &name, FieldType &ft, Stream *str=NULL, int count=0)
	hgl::cdb::FIELD_GET_FUNC (GetInteger, int)
	hgl::cdb::FIELD_GET_FUNC (GetUInteger, uint)
	hgl::cdb::FIELD_GET_FUNC (GetFloat, float)
	hgl::cdb::FIELD_GET_ARRAY_FUNC (GetInt8Array, int8, cbtInt8)
	hgl::cdb::FIELD_GET_ARRAY_FUNC (GetInt16Array, int16, cbtInt16)
	hgl::cdb::FIELD_GET_ARRAY_FUNC (GetInt32Array, int32, cbtInt32)
	hgl::cdb::FIELD_GET_ARRAY_FUNC (GetUint8Array, uint8, cbtUint8)
	hgl::cdb::FIELD_GET_ARRAY_FUNC (GetUint16Array, uint16, cbtUint16)
	hgl::cdb::FIELD_GET_ARRAY_FUNC (GetUint32Array, uint32, cbtUint32)
	hgl::cdb::FIELD_GET_ARRAY_FUNC (GetFloatArray, float, cbtFloat)

---

宏定义文档

#define FIELD_GET_ARRAY_FUNC	(		func_name,
			type_name,
			cbt_name
	)

值:

bool    FieldFixed::func_name(int index,type_name *buf, int start,int number)   \
        {   \
            if(index<0  \
             ||index>=Count \
             ||Type.base!=cbt_name)return(false);   \
        \
            if(start==-1&&number==-1)   \
            {   \
                start=0;    \
                number=Type.count;  \
            }   \
            else    \
            if(start<0  \
             ||start>=Type.count    \
             ||start+number>Type.count) \
             return(false); \
        \
            memcpy(buf,data+Type.size*index+start*sizeof(type_name),number*sizeof(type_name));  \
            return(true);   \
        }

#define FIELD_GET_FUNC	(		func_name,
			type_name
	)

值:

bool    FieldFixed::func_name(int index,type_name &value)   \
        {   \
            if(index<0  \
             ||index>=Count \
             ||Type.base<cbtInt8    \
             ||Type.base>cbtFloat)return(false);    \
        \
            if(Type.base==cbtInt8   )   value=*(int8 *  )(data+(index));else    \
            if(Type.base==cbtInt16  )   value=*(int16 * )(data+(index<<1));else \
            if(Type.base==cbtInt32  )   value=*(int32 * )(data+(index<<2));else \
            if(Type.base==cbtUint8  )   value=*(uint8 * )(data+(index));else    \
            if(Type.base==cbtUint16 )   value=*(uint16 *)(data+(index<<1));else \
            if(Type.base==cbtUint32 )   value=*(uint32 *)(data+(index<<2));else \
            if(Type.base==cbtFloat  )   value=*(float * )(data+(index<<2));else \
                return(false);  \
        \
            return(true);   \
        }