1 files changed, 42 insertions, 0 deletions
diff --git a/src/format.h b/src/format.h
new file mode 100644
index 0000000..bceff0c
--- /dev/null
+++ b/src/format.h
@@ -0,0 +1,42 @@
+#ifndef COMET_FORMAT_H
+#define COMET_FORMAT_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef struct {
+    char **parts;
+    size_t length;
+} format_t;
+
+typedef enum {
+    FORMAT_SUCCESS,
+    FORMAT_NESTED,
+    FORMAT_UNKNOWN,
+    FORMAT_UNTERMINATED,
+} format_status_t;
+
+typedef enum {
+    FORMAT_NONE,
+    FORMAT_STRING,
+    FORMAT_BYTE,
+    FORMAT_FUNCTION,
+} format_action_t;
+
+typedef char *(*format_function_t)(const char *key);
+
+typedef struct {
+    format_action_t action;
+    const char *key;
+    union {
+        const char *value;
+        uint8_t byte;
+        format_function_t fn;
+    };
+} format_pair_t;
+
+format_status_t format_init(format_t *format, const char *string, char delim, const format_pair_t *pairs);
+
+void format_free(format_t *format);
+
+#endif