void SetParam::setUTF16ParamStrLit(const NAWchar * utf16Str, size_t ucs2StrLen)
{
if (m_convUTF16ParamStrLit)
{
delete [] m_convUTF16ParamStrLit;
m_convUTF16ParamStrLit = NULL;
}
m_convUTF16ParamStrLit = new NAWchar[ucs2StrLen + 1];
NAWstrncpy(m_convUTF16ParamStrLit, utf16Str, ucs2StrLen);
m_convUTF16ParamStrLit[ucs2StrLen] = L'\0';
}
SqlciCmd::SqlciCmd(const sqlci_cmd_type cmd_type_, NAWchar * argument_, Lng32 arglen_)
: SqlciNode(SqlciNode::SQLCI_CMD_TYPE),
cmd_type(cmd_type_)
{
arglen = 2*arglen_;
if (argument_)
{
NAWchar* tgt = new NAWchar[arglen_ + 1]; // extra byte for NAWchar typed argument
NAWstrncpy(tgt, argument_,arglen_);
tgt[arglen_] = 0;
argument = (char*) tgt;
}
else
{
argument = 0;
}
};
void ErrorMessage::insertParams(NAError * errcb)
{
if (errcb->getErrParamCount() > 0)
{
// Note that we allocate twice the size for tmp, in order to forestall
// array overrun problems (i.e. memory corruption)
NAWchar tmp[MSG_BUF_SIZE * 2];
NAWchar paramName[MSG_BUF_SIZE];
NAWchar paramVal[MSG_BUF_SIZE]; // regular char, not TCHAR
Int32 paramLen;
Lng32 paramPos;
Int32 tmpLen = 0;
Int32 truncation = FALSE;
#pragma nowarn(1506) // warning elimination
Int32 msgBufOrigLen = NAWstrlen(msgBuf_);
#pragma warn(1506) // warning elimination
for (Int32 i = 0; i < msgBufOrigLen; i++)
{
if (msgBuf_[i] == ERRORPARAM_BEGINMARK)
{
// Get the formal parameter name, excluding the leading '$' mark
NAWchar *p = paramName;
while (++i < msgBufOrigLen &&
(isalnum(msgBuf_[i]) || msgBuf_[i] == ERRORPARAM_TYPESEP))
*p++ = msgBuf_[i];
*p = NAWchar('\0');
i--; // let's not lose a character!
paramPos = FixupMessageParam(paramName, POSITIONAL_PARAM);
if (paramPos >= 0)
{
paramVal[0] = NAWchar('\0'); // default is empty param
NAErrorParam * param = errcb->getNAErrorParam(paramPos);
if (param)
switch (param->getNAErrorParamType())
{
case NAErrorParam::NAERROR_PARAM_TYPE_INTEGER:
NAWsprintf(paramVal,WIDE_("%d"),param->getIntegerNAErrorParam());
break;
case NAErrorParam::NAERROR_PARAM_TYPE_CHAR_STRING:
NAWsprintf(paramVal,WIDE_("%s"),param->getStringNAErrorParam());
break;
}
#pragma nowarn(1506) // warning elimination
paramLen = NAWstrlen(paramVal);
#pragma warn(1506) // warning elimination
NAWstrncpy(&tmp[tmpLen], paramVal, paramLen);
}
else // invalid formal param (e.g. "$ab" "$9~" "$~9" "$9x")
{
tmp[tmpLen++] = ERRORPARAM_BEGINMARK;
#pragma nowarn(1506) // warning elimination
paramLen = NAWstrlen(paramName);
#pragma warn(1506) // warning elimination
NAWstrncpy(&tmp[tmpLen], paramName, paramLen);
}
tmpLen += paramLen;
}
else
{
tmp[tmpLen++] = msgBuf_[i];
}
// If necessary, truncate the message and exit loop early.
// The -1 is for the terminating '\0' below the loop.
if (tmpLen > MSG_BUF_SIZE - 1)
{
tmpLen = MSG_BUF_SIZE - 1;
truncation = TRUE;
break;
}
} // for
// Indicate truncation by overwriting last three characters with '...'
if (truncation)
tmp[tmpLen-3] = tmp[tmpLen-2] = tmp[tmpLen-1] = NAWchar('.');
NAWstrncpy(msgBuf_, tmp, tmpLen);
msgBuf_[tmpLen] = NAWchar('\0');
}
} // ErrorMessage::insertParams()
short Param::convertValue(SqlciEnv * sqlci_env, short targetType,
Lng32 &targetLen,
Lng32 targetPrecision,
Lng32 targetScale,
Lng32 vcIndLen,
ComDiagsArea* diags) {
// get rid of the old converted value
if (converted_value) {
delete [] converted_value;
converted_value = 0;
};
short sourceType;
Lng32 sourceLen;
// set up the source and its length based on the how the value is passed-in.
if ( isInSingleByteForm() == FALSE ) {
sourceLen = (Lng32)(NAWstrlen((NAWchar*)value) * BYTES_PER_NAWCHAR);
switch (getCharSet()) {
case CharInfo::UNICODE:
sourceType = REC_NCHAR_F_UNICODE;
break;
case CharInfo::KANJI_MP:
case CharInfo::KSC5601_MP:
sourceType = REC_BYTE_F_ASCII; // KANJI/KSC passed in as NAWchar*
break;
default:
return SQL_Error; // error case
}
} else {
sourceLen = (Lng32)strlen(value); // for any source in single-byte format
sourceType = REC_BYTE_F_ASCII;
}
char * pParamValue = value;
if ( DFS2REC::isAnyCharacter(targetType) ) {
if (termCS_ == CharInfo::UnknownCharSet)
termCS_ = sqlci_env->getTerminalCharset();
if (cs == CharInfo::UnknownCharSet)
{
isQuotedStrWithoutCharSetPrefix_ = TRUE;
cs = termCS_;
}
// If the target is CHARACTER and param is set as [_cs_prefix]'...', then
// make sure the source is assignment compatible with the target.
CharInfo::CharSet targetCharSet = (CharInfo::CharSet)targetScale;
if ( targetCharSet == CharInfo::UNICODE )
{
if (getUTF16StrLit() == (NAWchar*)NULL)
{
utf16StrLit_ = new NAWchar [ sourceLen * 2 + 1 ]; // plenty of room
Lng32 utf16StrLenInNAWchars =
LocaleStringToUnicode(cs/*sourceCS*/, /*sourceStr*/value, sourceLen,
utf16StrLit_/*outputBuf*/, sourceLen+1/*outputBufSizeInNAWchars*/,
TRUE /* in - NABoolean addNullAtEnd*/);
if (sourceLen > 0 && utf16StrLenInNAWchars == 0)
return SQL_Error;
// ComASSERT(utf16StrLenInNAWchars == NAWstrlen(getUTF16StrLit()));
// Resize the NAWchar buffer to save space
NAWchar *pNAWcharBuf = new NAWchar [ utf16StrLenInNAWchars + 1 ];
NAWstrncpy (pNAWcharBuf, utf16StrLit_, utf16StrLenInNAWchars + 1);
pNAWcharBuf[utf16StrLenInNAWchars] = NAWCHR('\0'); // play it safe
delete [] utf16StrLit_;
utf16StrLit_ = pNAWcharBuf; // do not deallocate pNAWcharBuf
}
sourceLen = (Lng32)(NAWstrlen(getUTF16StrLit()) * BYTES_PER_NAWCHAR);
// check to see if the parameter utf16 string fits in the target
if ( sourceLen > targetLen )
return SQL_Error;
pParamValue = (char *)getUTF16StrLit();
sourceType = REC_NCHAR_F_UNICODE;
}
} else {
// MP NCHAR (KANJI/KSC) can not be converted to non-character objects
if ( CharInfo::is_NCHAR_MP(cs) )
return SQL_Error;
}
switch(targetType) {
case REC_BIN16_SIGNED:
case REC_BIN16_UNSIGNED:
case REC_BPINT_UNSIGNED:
case REC_BIN32_SIGNED:
case REC_BIN32_UNSIGNED:
case REC_BIN64_SIGNED:
case REC_DECIMAL_UNSIGNED:
case REC_DECIMAL_LSE:
case REC_FLOAT32:
case REC_FLOAT64:
case REC_TDM_FLOAT32:
case REC_TDM_FLOAT64:
case REC_BYTE_F_ASCII:
case REC_BYTE_V_ASCII:
case REC_BYTE_V_ASCII_LONG:
case REC_NCHAR_F_UNICODE:
case REC_NCHAR_V_UNICODE:
{
char *VCLen = NULL;
short VCLenSize = 0;
// 5/27/98: added VARNCHAR cases
if ((targetType == REC_BYTE_V_ASCII) ||
(targetType == REC_BYTE_V_ASCII_LONG) ||
(targetType == REC_NCHAR_V_UNICODE))
{
// add bytes for variable length field
VCLenSize = vcIndLen; //sizeof(short);
VCLen = converted_value = new char[targetLen + VCLenSize];
} else
converted_value = new char[targetLen];
#pragma nowarn(1506) // warning elimination
ex_expr::exp_return_type ok;
CharInfo::CharSet TCS = sqlci_env->getTerminalCharset();
CharInfo::CharSet ISOMAPCS = sqlci_env->getIsoMappingCharset();
NAString* tempstr;
if (
DFS2REC::isAnyCharacter(sourceType) && DFS2REC::isAnyCharacter(targetType) &&
!(getUTF16StrLit() != NULL && sourceType == REC_NCHAR_F_UNICODE && targetScale == CharInfo::UCS2) &&
/*source*/cs != targetScale/*i.e., targetCharSet*/
)
{
charBuf cbuf((unsigned char*)pParamValue, sourceLen);
NAWcharBuf* wcbuf = 0;
Int32 errorcode = 0;
wcbuf = csetToUnicode(cbuf, 0, wcbuf,
cs/*sourceCharSet*/
, errorcode);
if (errorcode != 0) return SQL_Error;
tempstr = unicodeToChar(wcbuf->data(),wcbuf->getStrLen(),
targetScale/*i.e., targetCharSet*/
);
if (tempstr == NULL)
return SQL_Error; //Avoid NULL ptr reference if conversion error
sourceType = targetType; // we just converted it to the target type
sourceLen = tempstr->length();
pParamValue = (char *)tempstr->data();
if ( sourceLen > targetLen )
return SQL_Error;
}
ok = convDoIt(pParamValue,
sourceLen,
sourceType,
0, // source Precision
targetScale, // new charset we converted to
&converted_value[VCLenSize],
targetLen,
targetType,
targetPrecision,
targetScale,
VCLen,
VCLenSize,
0,
&diags);
if ( ok != ex_expr::EXPR_OK)
{
// No need to delete allocated memory before return because class member
// converted_value still points to allocated memory that is deleted in
// desctructor.
return SQL_Error; // error case
}
#pragma warn(1506) // warning elimination
};
break;
case REC_DATETIME: {
char *VCLen = NULL;
short VCLenSize = 0;
converted_value = new char[targetLen + 1];
#pragma nowarn(1506) // warning elimination
ex_expr::exp_return_type ok = convDoIt(value,
sourceLen,
sourceType,
0, // source Precision
0, // source Scale
converted_value,
targetLen,
targetType,
targetPrecision,
targetScale,
VCLen,
VCLenSize,
0,
&diags);
if ( ok != ex_expr::EXPR_OK)
{
return SQL_Error; // error case
}
#pragma warn(1506) // warning elimination
};
break;
case REC_INT_YEAR:
case REC_INT_MONTH:
case REC_INT_YEAR_MONTH:
case REC_INT_DAY:
case REC_INT_HOUR:
case REC_INT_DAY_HOUR:
case REC_INT_MINUTE:
case REC_INT_HOUR_MINUTE:
case REC_INT_DAY_MINUTE:
case REC_INT_SECOND:
case REC_INT_MINUTE_SECOND:
case REC_INT_HOUR_SECOND:
case REC_INT_DAY_SECOND: {
// convert target back to string.
converted_value = new char[targetLen];
Lng32 convFlags = CONV_ALLOW_SIGN_IN_INTERVAL;
#pragma nowarn(1506) // warning elimination
short ok =
convDoItMxcs(value,
sourceLen,
sourceType,
0, // source Precision
0, // source Scale
converted_value,
targetLen,
targetType,
targetPrecision,
targetScale,
convFlags);
if ( ok != 0 )
{
// No need to delete allocated memory before return because class member
// converted_value still points to allocated memory that is deleted in
// desctructor.
return SQL_Error; // error case
}
#pragma warn(1506) // warning elimination
};
break;
case REC_NUM_BIG_UNSIGNED:
case REC_NUM_BIG_SIGNED:
{
converted_value = new char[targetLen];
#pragma nowarn(1506) // warning elimination
short ok =
convDoItMxcs(value,
sourceLen,
sourceType,
0, // source Precision
0, // source Scale
converted_value,
targetLen,
targetType,
targetPrecision,
targetScale,
0);
if ( ok != 0 )
{
// No need to delete allocated memory before return because class member
// converted_value still points to allocated memory that is deleted in
// desctructor.
return SQL_Error; // error case
}
#pragma warn(1506) // warning elimination
};
break;
default:
break;
};
return 0;
}
NAWcharBuf* csetToUnicode(const charBuf& input,
CollHeap *heap, NAWcharBuf*& unicodeString, Int32 cset, Int32 &errorcode,
NABoolean addNullAtEnd, Int32 *charCount, Int32 *errorByteOff)
{
char * err_ptr = NULL;
UInt32 byteCount = 0, lv_charCount = 0, computedMaxBufSizeInNAWchars = 0;
NABoolean outputBufferAllocatedByThisRoutine = (unicodeString == NULL) ? TRUE : FALSE;
enum cnv_charset cnvSet = convertCharsetEnum (cset);
computedMaxBufSizeInNAWchars = (input.getStrLen()+1)*2; // in NAWchar elements for the worst case
NAWcharBuf* output = checkSpace(heap, computedMaxBufSizeInNAWchars, unicodeString, addNullAtEnd);
if ( output == NULL ) {errorcode = CNV_ERR_BUFFER_OVERRUN; return NULL;}
NAWchar* target = output->data();
errorcode = LocaleToUTF16(
cnv_version1,
(const char *)input.data(), input.getStrLen(),
(const char *)target, output->getBufSize()*BYTES_PER_NAWCHAR /* in bytes */,
cnvSet,
err_ptr,
&byteCount,
0,
addNullAtEnd,
&lv_charCount);
if (errorcode == CNV_ERR_NOINPUT) errorcode=0; // empty string is OK
if (errorByteOff) *errorByteOff = err_ptr - (char *)input.data();
if (charCount) *charCount = (Int32)lv_charCount;
// If errorcode != 0, LocaleToUTF16 will not add the NULL terminator
if (errorcode == 0 && addNullAtEnd && byteCount > 0)
{
// Exclude the size (in bytes) of the NULL terminator from the byte count.
if (byteCount > BYTES_PER_NAWCHAR)
byteCount -= BYTES_PER_NAWCHAR;
else
byteCount = 0;
}
output->setStrLen/*in_NAWchar_s*/(byteCount/BYTES_PER_NAWCHAR); // excluding the NULL terminator
if (outputBufferAllocatedByThisRoutine &&
output->getBufSize() > output->getStrLen() + 500) // allocated too much space
{
// Try to save space in the heap but still allocate 50 extra NAWchars so we do not need
// to resize the buffer if there is a need to append a few more characters later on.
// The additional 1 NAWchar is for the NULL terminator.
NAWcharBuf * outNAWcharBuf2 = new (heap) NAWcharBuf ( output->getStrLen() + 51 // in NAWchars
, heap );
if (outNAWcharBuf2 != NULL) // successful allocation
{
// Copy data to the newly allocated, smaller buffer.
NAWstrncpy(outNAWcharBuf2->data(), output->data(), output->getStrLen());
outNAWcharBuf2->setStrLen/*in_NAWchar_s*/(output->getStrLen());
// Always append a UCS-2 NULL terminator but exclude it from the string length count.
outNAWcharBuf2->data()[outNAWcharBuf2->getStrLen()] = 0;
// Remove the old buffer and set up for the returned value and out parameter.
unicodeString = outNAWcharBuf2; // return via the out parameter NAWcharBuf*& unicodeString
NADELETE(output, NAWcharBuf, heap);
output = outNAWcharBuf2;
}
}
return output;
}
