//-----------------------------------------------------------------------------
//?Buffer.c
//???Defines?buffer?structure?and?routines?for?populating?it.?These?are?used
//?to?translate?Python?objects?into?the?buffers?needed?for?Dameng?including
//?Unicode?or?buffer?objects.
//-----------------------------------------------------------------------------
#include?“Buffer.h“

//-----------------------------------------------------------------------------
//?pyBuffer_Init（）
//???Initialize?the?buffer?with?an?empty?string.?Returns?0?as?a?convenience?to
//?the?caller.
//-----------------------------------------------------------------------------
static?
sdint2
dmBuffer_Init（
????udt_Buffer*?????buf?????//?buffer?to?initialize
）????????????????????
{
????buf->ptr?=?NULL;
????buf->size?=?0;
????buf->numCharacters?=?0;
????buf->obj?=?NULL;
????return?0;
}


//-----------------------------------------------------------------------------
//?cxBuffer_Copy（）
//???Copy?the?contents?of?the?buffer.
//-----------------------------------------------------------------------------
static?
int
dmBuffer_Copy（
????udt_Buffer*?????buf????????????????????//?buffer?to?copy?into
????udt_Buffer*?????copyFromBuf?????????????//?buffer?to?copy?from
）????????????
{
????buf->ptr?=?copyFromBuf->ptr;
????buf->size?=?copyFromBuf->size;
????buf->numCharacters?=?copyFromBuf->numCharacters;
????Py_XINCREF（copyFromBuf->obj）;
????buf->obj?=?copyFromBuf->obj;
????return?0;
}


//-----------------------------------------------------------------------------
//?cxBuffer_Fromobject（）
//???Populate?the?string?buffer?from?a?unicode?object.
//-----------------------------------------------------------------------------
sdint2?
dmBuffer_Fromobject（
????udt_Buffer*?????buf????????????????????//?buffer?to?fill
????Pyobject*???????obj??????????????????????//?object?（string?or?Unicode?object）
????const?char*?????encoding???????????????//?encoding?to?use?if?applicable
）
{
????if?（!obj）
????????return?dmBuffer_Init（buf）;	
????if?（encoding?&&?PyUnicode_Check（obj））?{		
????????buf->obj?=?PyUnicode_AsEncodedString（obj?encoding?NULL）;
????????if?（!buf->obj）
????????????return?-1;
????????buf->ptr?=?PyBytes_AS_STRING（buf->obj）;
????????buf->size?=?PyBytes_GET_SIZE（buf->obj）;
????????buf->numCharacters?=?PyUnicode_GET_SIZE（obj）;
????}?else?if?（PyBytes_Check（obj））?{		
????????Py_INCREF（obj）;
????????buf->obj?=?obj;
????????buf->ptr?=?PyBytes_AS_STRING（buf->obj）;
????????buf->size?=?buf->numCharacters?=?PyBytes_GET_SIZE（buf->obj）;
#if?PY_MAJOR_VERSION?????}?else?if?（PyBuffer_Check（obj））?{
????????if?（Pyobject_AsReadBuffer（obj?&buf->ptr?&buf->size）?????????????return?-1;
????????Py_INCREF（obj）;
????????buf->obj?=?obj;
????????buf->numCharacters?=?buf->size;
#endif
????}?else?{
????????PyErr_SetString（PyExc_TypeError?“buffer?type?error!“）;
????????return?-1;
????}
????return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-11-22?10:34??dmPython\
?????文件????????2977??2018-10-18?14:17??dmPython\Buffer.c
?????文件?????????635??2018-10-18?14:17??dmPython\Buffer.h
?????文件???????58896??2018-10-18?14:17??dmPython\Connection.c
?????文件???????78098??2018-10-18?14:17??dmPython\Cursor.c
?????文件????????9991??2018-10-18?14:17??dmPython\dmPython.vcxproj
?????文件????????3098??2018-10-18?14:17??dmPython\dmPython.vcxproj.filters
?????文件?????????782??2018-10-18?14:17??dmPython\dmPython.vcxproj.user
?????文件???????12707??2018-10-18?14:17??dmPython\Environment.c
?????文件????????3480??2018-10-18?14:17??dmPython\Error.c
?????文件?????????861??2018-10-18?14:17??dmPython\Error.h
?????文件???????13366??2018-10-18?14:17??dmPython\exBfile.c
?????文件???????17176??2018-10-18?14:17??dmPython\exLob.c
?????文件???????57107??2018-10-18?14:17??dmPython\exobject.c
?????文件???????21650??2018-10-18?14:17??dmPython\py_Dameng.c
?????文件????????8566??2018-10-18?14:17??dmPython\py_Dameng.h
?????文件????????2417??2018-10-18?14:17??dmPython\README.txt
?????文件???????15823??2018-10-18?14:17??dmPython\row.c
?????文件????????1553??2018-10-18?14:17??dmPython\row.h
?????文件????????9971??2018-10-18?14:17??dmPython\setup.py
?????文件????????5911??2018-10-18?14:17??dmPython\strct.h
?????文件???????23313??2018-10-18?14:17??dmPython\tobject.c
?????文件???????44351??2018-10-18?14:17??dmPython\var.c
?????文件???????15744??2018-10-18?14:17??dmPython\var_pub.h
?????文件???????11014??2018-10-18?14:17??dmPython\vBfile.c
?????文件????????6759??2018-10-18?14:17??dmPython\vCursor.c
?????文件???????19590??2018-10-18?14:17??dmPython\vDateTime.c
?????文件???????10478??2018-10-18?14:17??dmPython\vInterval.c
?????文件???????11293??2018-10-18?14:17??dmPython\vLob.c
?????文件???????10777??2018-10-18?14:17??dmPython\vlong.c
?????文件???????32446??2018-10-18?14:17??dmPython\vNumber.c
............此處省略2個文件信息