int main()
{
csvRead();
_getch();
return 0;
}
int elektraCsvstorageGet(Plugin *handle, KeySet *returned, Key *parentKey)
{
if (!strcmp(keyName(parentKey), "system/elektra/modules/csvstorage"))
{
KeySet *contract = ksNew (30,
keyNew ("system/elektra/modules/csvstorage",
KEY_VALUE, "csvstorage plugin waits for your orders", KEY_END),
keyNew ("system/elektra/modules/csvstorage/exports", KEY_END),
keyNew ("system/elektra/modules/csvstorage/exports/get",
KEY_FUNC, elektraCsvstorageGet, KEY_END),
keyNew ("system/elektra/modules/csvstorage/exports/set",
KEY_FUNC, elektraCsvstorageSet, KEY_END),
#include ELEKTRA_README(csvstorage)
keyNew ("system/elektra/modules/csvstorage/infos/version",
KEY_VALUE, PLUGINVERSION, KEY_END),
KS_END);
ksAppend (returned, contract);
ksDel (contract);
return 1; /* success */
}
KeySet *config = elektraPluginGetConfig(handle);
Key *delimKey = ksLookupByName(config, "/delimiter", 0);
char delim = ';';
if(delimKey)
{
const char *delimString = keyString(delimKey);
delim = delimString[0];
}
Key *readHeaderKey = ksLookupByName(config, "/header", 0);
short useHeader = 0;
if(readHeaderKey)
{
const char *printHeaderString = keyString(readHeaderKey);
if(!strcmp(printHeaderString, "colname"))
{
useHeader = 1;
}
else if(!(strcmp(printHeaderString, "skip")))
{
useHeader = -1;
}
else if(!(strcmp(printHeaderString, "record")))
{
useHeader = 0;
}
else
{
useHeader = 0;
}
}
unsigned long fixColumnCount = 0;
Key *fixColumnCountKey = ksLookupByName(config, "/columns", 0);
if(fixColumnCountKey)
{
if(keyString(fixColumnCountKey))
{
fixColumnCount = atol(keyString(fixColumnCountKey));
}
}
Key *setNamesKey = ksLookupByName(config, "/columns/names", 0);
char *colNames = NULL;
if(setNamesKey)
{
if(fixColumnCountKey)
{
KeySet *namesKS = ksCut(config, setNamesKey);
unsigned long nrNames = (unsigned long)ksGetSize(namesKS)-1;
if(nrNames == fixColumnCount)
{
colNames = (char *)elektraMalloc(nrNames*sizeof(char *));
Key *cur;
char **ptr = (char **)colNames;
while((cur = ksNext(namesKS)) != NULL)
{
if(!strcmp(keyName(cur), keyName(setNamesKey))) continue;
if(!strcmp(keyString(cur), ""))
*ptr = NULL;
else
*ptr = (char *)keyString(cur);
++ptr;
}
}
ksAppend(config, namesKS);
ksDel(namesKS);
}
}
int nr_keys;
nr_keys = csvRead(returned, parentKey, delim, useHeader, fixColumnCount, (const char **)colNames);
if(colNames)
elektraFree(colNames);
if (nr_keys == -1) return -1;
return 1;
}
/* ==================================================================== */
int sci_csvRead(char *fname, unsigned long fname_len)
{
SciErr sciErr;
int iErr = 0;
int iErrEmpty = 0;
char *filename = NULL;
char *separator = NULL;
char *decimal = NULL;
char *conversion = NULL;
int *iRange = NULL;
int haveRange = 0;
int header = 0;
char **toreplace = NULL;
int nbElementsToReplace = 0;
char *regexp = NULL;
int haveRegexp = 0;
csvResult *result = NULL;
double *dRealValues = NULL;
sciErr.iErr = 0;
CheckRhs(1, 8);
CheckLhs(1, 2);
if (Rhs == 8)
{
header = (int) csv_getArgumentAsScalarDouble(pvApiCtx, 8, fname, &iErr);
if (iErr)
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, 0, ®exp);
return 0;
}
}
if (Rhs == 7)
{
int m7 = 0, n7 = 0;
iRange = csv_getArgumentAsMatrixofIntFromDouble(pvApiCtx, 7, fname, &m7, &n7, &iErr);
if (iErr)
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, 0, ®exp);
return 0;
}
if ((m7 * n7 != SIZE_RANGE_SUPPORTED) )
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, 0, ®exp);
Scierror(999, _("%s: Wrong size for input argument #%d: Four entries expected.\n"), fname, 7);
return 0;
}
if ((m7 != 1) && (n7 != 1))
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, 0, ®exp);
Scierror(999, _("%s: Wrong size for input argument #%d: A column or row vector expected.\n"), fname, 7);
return 0;
}
if (isValidRange(iRange, m7 * n7))
{
haveRange = 1;
}
else
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, 0, ®exp);
Scierror(999, _("%s: Wrong value for input argument #%d: Inconsistent range.\n"), fname, 7);
return 0;
}
}
if (Rhs >= 6)
{
regexp = csv_getArgumentAsStringWithEmptyManagement(pvApiCtx, 6, fname, getCsvDefaultCommentsRegExp(), &iErr);
if (regexp)
{
if (strcmp(regexp, "") == 0)
{
FREE(regexp);
regexp = NULL;
}
else
{
haveRegexp = 1;
}
}
if (iErr)
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, 0, ®exp);
return 0;
}
}
else
{
regexp = strdup(getCsvDefaultCommentsRegExp());
if (regexp)
{
if (strcmp(regexp, "") == 0)
{
FREE(regexp);
regexp = NULL;
}
}
}
if (Rhs >= 5)
{
if (csv_isEmpty(pvApiCtx, 5))
{
toreplace = NULL;
nbElementsToReplace = 0;
}
else
{
int m5 = 0, n5 = 0;
toreplace = csv_getArgumentAsMatrixOfString(pvApiCtx, 5, fname, &m5, &n5, &iErr);
if (iErr)
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, m5 * n5, ®exp);
return 0;
}
if (n5 != 2)
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, m5 * n5, ®exp);
Scierror(999, _("%s: Wrong size for input argument #%d.\n"), fname, 5);
return 0;
}
nbElementsToReplace = m5;
}
}
else
{
toreplace = NULL;
nbElementsToReplace = 0;
}
if (Rhs >= 4)
{
int iErr = 0;
conversion = csv_getArgumentAsStringWithEmptyManagement(pvApiCtx, 4, fname, getCsvDefaultConversion(), &iErr);
if (iErr)
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
if (!((strcmp(conversion, CONVTOSTR) == 0) || (strcmp(conversion, CONVTODOUBLE) == 0)))
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
Scierror(999, _("%s: Wrong value for input argument #%d: '%s' or '%s' string expected.\n"), fname, 4, "double", "string");
return 0;
}
}
else
{
/* read_csv is using a 'string' conversion while csvRead is doing
a 'double' conversion */
if (strcmp(fname, "read_csv") == 0)
{
conversion = (char*)MALLOC((strlen("string") + 1) * sizeof(char));
strcpy(conversion, "string");
}
else
{
conversion = strdup(getCsvDefaultConversion());
}
}
if (Rhs >= 3)
{
int iErr = 0;
decimal = csv_getArgumentAsStringWithEmptyManagement(pvApiCtx, 3, fname, getCsvDefaultDecimal(), &iErr);
if (iErr)
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
}
else
{
decimal = strdup(getCsvDefaultDecimal());
}
if (Rhs >= 2)
{
int iErr = 0;
separator = csv_getArgumentAsStringWithEmptyManagement(pvApiCtx, 2, fname, getCsvDefaultSeparator(), &iErr);
if (iErr)
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
}
else
{
separator = strdup(getCsvDefaultSeparator());
}
if (strcmp(separator, "\\t") == 0)
{
/* In Scilab, if the user is providing \t as separator, transform it to a real
tab. Example: read_csv(filename,"\t");
*/
strcpy(separator, "\t");
}
filename = csv_getArgumentAsString(pvApiCtx, 1, fname, &iErr);
if (iErr)
{
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
result = csvRead(filename, separator, decimal, (const char**)toreplace, nbElementsToReplace * 2, regexp, header);
freeVar(NULL, &separator, &decimal, NULL, NULL, &toreplace, nbElementsToReplace, ®exp);
if (result)
{
switch (result->err)
{
case CSV_READ_REGEXP_ERROR:
{
Scierror(999, _("%s: Wrong value for input argument #%d.\n"), fname, 6);
}
break;
case CSV_READ_SEPARATOR_DECIMAL_EQUAL:
{
Scierror(999, _("%s: separator and decimal must have different values.\n"), fname);
}
break;
case CSV_READ_NO_ERROR:
{
if (strcmp(conversion, CONVTOSTR) == 0)
{
if (haveRange)
{
int newM = 0;
int newN = 0;
char **pStrRange = getRangeAsString((const char**)result->pstrValues, result->m, result->n, iRange, &newM, &newN);
if (pStrRange)
{
sciErr = createMatrixOfString(pvApiCtx, Rhs + 1, newM, newN, pStrRange);
freeArrayOfString(pStrRange, newM * newN);
}
else
{
if ((newM == 0) || (newN == 0))
{
Scierror(999, _("%s: Range row or/and column left indice(s) out of bounds.\n"), fname);
}
else
{
Scierror(999, _("%s: Memory allocation error.\n"), fname);
}
freeCsvResult(result);
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
}
else
{
sciErr = createMatrixOfString(pvApiCtx, Rhs + 1, result->m, result->n, result->pstrValues);
}
}
else /* to double */
{
stringToComplexError ierr = STRINGTOCOMPLEX_ERROR;
complexArray *ptrComplexArray = stringsToComplexArray((const char**)result->pstrValues, result->m * result->n, decimal, TRUE, &ierr);
if (ptrComplexArray == NULL)
{
freeCsvResult(result);
if (ierr == STRINGTOCOMPLEX_ERROR)
{
Scierror(999, _("%s: can not convert data.\n"), fname);
}
else
{
Scierror(999, _("%s: Memory allocation error.\n"), fname);
}
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
switch (ierr)
{
case STRINGTOCOMPLEX_NOT_A_NUMBER:
case STRINGTOCOMPLEX_NO_ERROR:
{
if (haveRange)
{
int newM = 0;
int newN = 0;
complexArray *complexRange = getRangeAsComplexArray(ptrComplexArray, result->m, result->n, iRange, &newM, &newN);
if (complexRange)
{
if (complexRange->isComplex)
{
sciErr = createComplexMatrixOfDouble(pvApiCtx, Rhs + 1, newM, newN, ptrComplexArray->realPart, ptrComplexArray->imagPart);
}
else
{
sciErr = createMatrixOfDouble(pvApiCtx, Rhs + 1, newM, newN, complexRange->realPart);
}
freeComplexArray(complexRange);
complexRange = NULL;
}
else
{
if ((newM == 0) || (newN == 0))
{
Scierror(999, _("%s: Range row or/and column left indice(s) out of bounds.\n"), fname);
}
else
{
Scierror(999, _("%s: Memory allocation error.\n"), fname);
}
freeCsvResult(result);
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
}
else
{
if (ptrComplexArray->isComplex)
{
sciErr = createComplexMatrixOfDouble(pvApiCtx, Rhs + 1, result->m, result->n, ptrComplexArray->realPart, ptrComplexArray->imagPart);
}
else
{
sciErr = createMatrixOfDouble(pvApiCtx, Rhs + 1, result->m, result->n, ptrComplexArray->realPart);
}
freeComplexArray(ptrComplexArray);
ptrComplexArray = NULL;
}
}
break;
case STRINGTOCOMPLEX_MEMORY_ALLOCATION:
{
Scierror(999, _("%s: Memory allocation error.\n"), fname);
freeCsvResult(result);
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
default:
case STRINGTOCOMPLEX_ERROR:
{
Scierror(999, _("%s: can not convert data.\n"), fname);
freeCsvResult(result);
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
}
}
if (sciErr.iErr)
{
Scierror(999, _("%s: Memory allocation error.\n"), fname);
freeCsvResult(result);
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
else
{
LhsVar(1) = Rhs + 1;
if (Lhs == 2)
{
if (haveRegexp == 0)
{
char **emptyStringMatrix = NULL;
emptyStringMatrix = (char**) malloc(sizeof(char*));
emptyStringMatrix[0] = "";
sciErr = createMatrixOfString(pvApiCtx, Rhs + 2, 1, 1, emptyStringMatrix);
free(emptyStringMatrix);
}
else
{
if (result->nbComments > 0)
{
sciErr = createMatrixOfString(pvApiCtx, Rhs + 2, result->nbComments, 1, result->pstrComments);
}
else
{
iErrEmpty = createEmptyMatrix(pvApiCtx, Rhs+2);
sciErr.iErr = iErrEmpty;
}
}
if (sciErr.iErr)
{
Scierror(999, _("%s: Memory allocation error.\n"), fname);
freeCsvResult(result);
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
LhsVar(2) = Rhs + 2;
}
PutLhsVar();
}
}
break;
case CSV_READ_FILE_NOT_EXIST:
{
Scierror(999, _("%s: %s does not exist.\n"), fname, filename);
}
break;
case CSV_READ_MOPEN_ERROR:
{
Scierror(999, _("%s: can not open file %s.\n"), fname, filename);
}
break;
case CSV_READ_MEMORY_ALLOCATION:
{
Scierror(999, _("%s: Memory allocation error.\n"), fname);
}
break;
case CSV_READ_COLUMNS_ERROR:
{
Scierror(999, _("%s: can not read file %s: Error in the column structure\n"), fname, filename);
}
break;
case CSV_READ_READLINES_ERROR:
case CSV_READ_ERROR:
{
Scierror(999, _("%s: can not read file %s.\n"), fname, filename);
}
break;
}
}
else
{
Scierror(999, _("%s: Memory allocation error.\n"), fname);
}
freeCsvResult(result);
freeVar(&filename, &separator, &decimal, &conversion, &iRange, &toreplace, nbElementsToReplace, ®exp);
return 0;
}
