Major update : views

src/obidmscolumn_idx.c

@@ -0,0 +1,72 @@
+/****************************************************************************
+ * OBIDMS_column_idx functions                                              *
+ ****************************************************************************/
+
+/**
+ * @file obidsmcolumn_idx.c
+ * @author Celine Mercier
+ * @date February 14th 2016
+ * @brief Functions handling OBIColumns containing data with the index_t type.
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "obidmscolumn.h"
+#include "obitypes.h"
+#include "obierrno.h"
+#include "obidebug.h"
+
+
+#define DEBUG_LEVEL 0	// TODO has to be defined somewhere else (cython compil flag?)
+
+
+/**********************************************************************
+ *
+ * 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_index(OBIDMS_column_p column, index_t line_nb, index_t value)
+{
+	// Check that the line number is not greater than the maximum allowed
+	if (line_nb >= MAXIMUM_LINE_COUNT)
+	{
+		obi_set_errno(OBICOL_UNKNOWN_ERROR);
+		obidebug(1, "\nError trying to set a value at a line number greater than the maximum allowed");
+    	return -1;
+	}
+
+	// Check if the file needs to be enlarged
+	while ((line_nb+1) > (column->header)->line_count)
+	{
+		// Enlarge the file
+		if (obi_enlarge_column(column) < 0)
+	    	return -1;
+	}
+
+	// Update lines used
+	if ((line_nb+1) > (column->header)->lines_used)
+		(column->header)->lines_used = line_nb+1;
+
+	// Set the value
+	*(((index_t*) (column->data)) + line_nb) = value;
+
+	return 0;
+}
+
+
+index_t obi_column_get_index(OBIDMS_column_p column, index_t line_nb)
+{
+	if ((line_nb+1) > ((column->header)->line_count))
+	{
+		obi_set_errno(OBICOL_UNKNOWN_ERROR);
+		obidebug(1, "\nError trying to get a value that is beyond the current number of lines used in the column");
+		return OBIIdx_NA;
+	}
+
+	return *(((index_t*) (column->data)) + line_nb);
+}
+