new directory structure

1 files changed, 71 insertions, 0 deletions

diff --git a/lib/include/csv.h b/lib/include/csv.h
new file mode 100644
index 0000000..9ac7c05
--- /dev/null
+++ b/lib/include/csv.h
@@ -0,0 +1,71 @@
+#pragma once
+
+#include <stddef.h> /* size_t */
+#include <stdio.h>  /* FILE */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+        CSV_ERR_OK            = 0,
+        CSV_ERR_OUT_OF_MEMORY = -1,
+        CSV_ERR_OUT_OF_RANGE  = -2,
+        CSV_ERR_IO_READ       = -3,
+        CSV_ERR_IO_WRITE      = -4
+} csv_err_t;
+
+typedef struct {
+        int field_delimiter;
+        int field_separator;
+
+        void (*cb_error)(csv_err_t, void *);
+        void *cb_error_arg;
+
+        void *(*cb_allocate)(size_t, size_t, void *);
+        void *(*cb_reallocate)(void *, size_t, size_t, void *);
+        void (*cb_free)(void *, size_t, size_t, void *);
+        void *cb_memory_arg;
+} csv_options_t;
+
+extern const csv_options_t csv_default_options;
+
+typedef struct {
+        char * str;
+        size_t cap, pos;
+} csv_string_t;
+
+typedef struct {
+        size_t *fields;
+        size_t  cap, pos;
+} csv_field_t;
+
+typedef struct {
+        const csv_options_t *csv_options;
+        csv_string_t         csv_string;
+        csv_field_t          csv_field;
+} csv_t;
+
+/* version */
+extern const char csv_version[];
+
+/* initialization */
+void csv_init(csv_t *csv);
+void csv_init_opt(csv_t *csv, const csv_options_t *const csv_options);
+
+/* cleanup after error */
+void csv_cleanup(csv_t *csv);
+
+/* read */
+size_t csv_read(csv_t *csv, FILE *in);
+
+/* field access */
+size_t      csv_nfields(const csv_t *const csv);
+const char *csv_field(const csv_t *const csv, size_t idx);
+
+/* error handling */
+const char *csv_err_str(csv_err_t csv_err);
+
+#ifdef __cplusplus
+}
+#endif