Add easycsv_find_value

Signed-off-by: Pradana AUMARS <paumars@courrier.dev>

src/easycsv.c

@@ -101,6 +101,35 @@ easycsv_free(easycsv *csv)
 
 /*** Acces, find ***/
 
+int
+easycsv_find_value(const easycsv* csv,
+ 		   const char* value,
+		   unsigned int* col,
+		   unsigned int* row)
+{
+  char *str;
+  const unsigned int cols = easycsv_print_columns(csv);
+  const unsigned int rows = easycsv_print_rows(csv);
+  
+  /* Set file pointer to start */
+  easycsv_rewind(csv);
+
+  for (unsigned int row_l = 1; row_l < rows; row_l++) {
+    for (unsigned int col_l = 1; col_l < cols; col_l++) {
+      str = easycsv_read_value(csv, col_l, row_l);
+      if (strcmp(str, value) == 0) {
+	*col = col_l;
+	*row = row_l;
+	free(str);
+	return 0;
+      }
+      free(str);
+    }
+  }
+  easycsv_error(EASYCSV_FINDVALUEFAIL, value);
+  return -1;
+}
+
 /*** Acces, read ***/
 
 char*

tests/check_easycsv.c

@@ -95,6 +95,30 @@ START_TEST(test_easycsv_read_value)
   easycsv_free(csv);
 }
 
+START_TEST(test_easycsv_find_value)
+{
+  easycsv *csv = easycsv_init(SAMPLE1_PATH, EASYCSV_R);
+  unsigned int col = 0, row = 0;
+
+  easycsv_find_value(csv, "FILEPATHA1", &col, &row);
+  ck_assert_int_eq(col, 1);
+  ck_assert_int_eq(row, 1);
+
+  easycsv_find_value(csv, "FILEPATHB1", &col, &row);
+  ck_assert_int_eq(col, 2);
+  ck_assert_int_eq(row, 1);
+
+  easycsv_find_value(csv, "FILEPATHA2", &col, &row);
+  ck_assert_int_eq(col, 1);
+  ck_assert_int_eq(row, 2);
+
+  easycsv_find_value(csv, "", &col, &row);
+  ck_assert_int_eq(col, 1);
+  ck_assert_int_eq(row, 3);
+  
+  easycsv_free(csv);
+}
+
 /* START_TEST(test_easycsv_readcolumnvalue) */
 /* { */
 /*   easycsv *csv = easycsv_init(SAMPLE1_PATH, EASYCSV_R); */
@@ -111,6 +135,9 @@ easycsv_access_suite(void)
   Suite *s;
   TCase *tc_find, *tc_read, *tc_print;
   s = suite_create ("access");
+  tc_find = tcase_create ("find");
+  tcase_add_test(tc_find, test_easycsv_find_value);
+  
   tc_read = tcase_create ("read");
   tcase_add_test(tc_read, test_easycsv_read_value);
   /* tcase_add_test(tc_read, test_easycsv_readcolumnvalue); */
@@ -119,6 +146,7 @@ easycsv_access_suite(void)
   tcase_add_test(tc_print, test_easycsv_print_columns);
   tcase_add_test(tc_print, test_easycsv_print_rows);
 
+  suite_add_tcase(s, tc_find);
   suite_add_tcase(s, tc_read);
   suite_add_tcase(s, tc_print);