Files
obitools3/src/obidmscolumn_str.c
2018-10-21 17:35:18 +02:00

104 lines
2.8 KiB
C
Executable File

/****************************************************************************
* OBIDMS_column_str functions *
****************************************************************************/
/**
* @file obidsmcolumn_str.c
* @author Celine Mercier
* @date October 28th 2015
* @brief Functions handling OBIColumns containing data in the form of indices referring to character strings.
*/
#include <stdlib.h>
#include <stdio.h>
#include "obidmscolumn.h"
#include "obitypes.h"
#include "char_str_indexer.h"
/**********************************************************************
*
* D E F I N I T I O N O F T H E P U B L I C F U N C T I O N S
*
**********************************************************************/
int obi_column_set_obistr_with_elt_idx(OBIDMS_column_p column, index_t line_nb, index_t element_idx, const char* value)
{
index_t idx;
if (obi_column_prepare_to_set_value(column, line_nb, element_idx) < 0)
return -1;
if (value == OBIStr_NA)
{
idx = OBIIdx_NA;
}
else
{
// Add the value in the indexer
idx = obi_index_char_str(column->indexer, value);
if (idx == -1) // An error occurred
{
if (obi_errno == OBI_READ_ONLY_INDEXER_ERROR)
{
// If the error is that the indexer is read-only, clone it
if (obi_clone_column_indexer(column) < 0)
return -1;
obi_set_errno(0);
// Add the value in the new indexer
idx = obi_index_char_str(column->indexer, value);
if (idx == -1)
return -1;
}
else
return -1;
}
}
// Add the value's index in the column
*(((index_t*) (column->data)) + (line_nb * ((column->header)->nb_elements_per_line)) + element_idx) = idx;
return 0;
}
const char* obi_column_get_obistr_with_elt_idx(OBIDMS_column_p column, index_t line_nb, index_t element_idx)
{
index_t idx;
if (obi_column_prepare_to_get_value(column, line_nb) < 0)
return OBIStr_NA;
idx = *(((index_t*) (column->data)) + (line_nb * ((column->header)->nb_elements_per_line)) + element_idx);
// Check NA
if (idx == OBIIdx_NA)
return OBIStr_NA;
return obi_retrieve_char_str(column->indexer, idx);
}
int obi_column_set_obistr_with_elt_name(OBIDMS_column_p column, index_t line_nb, const char* element_name, const char* value)
{
index_t element_idx = obi_column_get_element_index_from_name(column, element_name);
if (element_idx == OBIIdx_NA)
return -1;
return obi_column_set_obistr_with_elt_idx(column, line_nb, element_idx, value);
}
const char* obi_column_get_obistr_with_elt_name(OBIDMS_column_p column, index_t line_nb, const char* element_name)
{
index_t element_idx = obi_column_get_element_index_from_name(column, element_name);
if (element_idx == OBIIdx_NA)
return OBIStr_NA;
return obi_column_get_obistr_with_elt_idx(column, line_nb, element_idx);
}