1 files changed, 97 insertions, 0 deletions
diff --git a/include/fhp/fhp.h b/include/fhp/fhp.h
new file mode 100644
index 0000000..4a54e3c
--- /dev/null
+++ b/include/fhp/fhp.h
@@ -0,0 +1,97 @@
+#ifndef FHP_H_
+#define FHP_H
+
+#include <stdint.h> // for uint8_t
+#include <stddef.h> // for size_t
+#include <stdbool.h> // for size_t
+
+typedef enum {
+  FHP_TOKEN_METHOD_START,
+  FHP_TOKEN_METHOD_FRAGMENT,
+  FHP_TOKEN_METHOD_END,
+
+  FHP_TOKEN_URL_START,
+  FHP_TOKEN_URL_FRAGMENT,
+  FHP_TOKEN_URL_END,
+
+  FHP_TOKEN_VERSION_START,
+  FHP_TOKEN_VERSION_FRAGMENT,
+  FHP_TOKEN_VERSION_END,
+
+  FHP_TOKEN_HEADER_NAME_START,
+  FHP_TOKEN_HEADER_NAME_FRAGMENT,
+  FHP_TOKEN_HEADER_NAME_END,
+
+  FHP_TOKEN_HEADER_VALUE_START,
+  FHP_TOKEN_HEADER_VALUE_FRAGMENT,
+  FHP_TOKEN_HEADER_VALUE_END,
+
+  FHP_TOKEN_LAST
+} fhp_token_t;
+
+typedef struct fhp_t_ fhp_t;
+
+typedef bool (*fhp_cb_t)(
+  fhp_t * const,
+  fhp_token_t,
+  uint8_t * const,
+  size_t
+);
+
+typedef enum {
+  FHP_STATE_INIT,
+  FHP_STATE_ERROR,
+  FHP_STATE_METHOD,
+  FHP_STATE_METHOD_END,
+  FHP_STATE_URL,
+  FHP_STATE_URL_END,
+  FHP_STATE_VERSION,
+  FHP_STATE_VERSION_END,
+  FHP_STATE_VERSION_END_CR,
+  FHP_STATE_STATUS_END,
+  FHP_STATE_STATUS_END_CR,
+  FHP_STATE_HEADER_NAME,
+  FHP_STATE_HEADER_NAME_END,
+  FHP_STATE_HEADER_NAME_END_CR,
+  FHP_STATE_HEADER_VALUE,
+  FHP_STATE_HEADER_VALUE_END_CR,
+  FHP_STATE_HEADER_VALUE_END,
+  FHP_STATE_HEADERS_END,
+  FHP_STATE_HEADERS_END_CR,
+  FHP_STATE_LAST
+} fhp_state_t;
+
+typedef enum {
+  FHP_OK,
+  FHP_ERR_CB,
+  FHP_ERR_BAD_STATE,
+  FHP_ERR_INVALID_CHAR,
+  FHP_ERR_INVALID_ERROR,
+  FHP_ERR_BUFFER_TOO_SMALL,
+  FHP_ERR_LAST
+} fhp_err_t;
+
+fhp_err_t
+fhp_strerror(fhp_err_t, char * const, size_t);
+
+#define FHP_BUF_SIZE 1024
+
+struct fhp_t_ {
+  fhp_state_t state;
+  fhp_cb_t cb;
+  uint64_t ofs;
+  fhp_err_t err;
+
+  void *user_data;
+
+  uint8_t buf[FHP_BUF_SIZE];
+  size_t buf_len;
+};
+
+fhp_err_t
+fhp_init(fhp_t * const, fhp_cb_t, void * const);
+
+fhp_err_t
+fhp_push(fhp_t * const, uint8_t * const, size_t);
+
+#endif /* FHP_H */