New header file scheme to support FFI code in either of C or C++ [based on suggestion by Ron de Bruijn]

1 files changed, 114 insertions, 0 deletions

diff --git a/include/urweb/types_cpp.h b/include/urweb/types_cpp.h
new file mode 100644
index 00000000..330f7755
--- /dev/null
+++ b/include/urweb/types_cpp.h
@@ -0,0 +1,114 @@
+#ifndef URWEB_TYPES_CPP_H
+#define URWEB_TYPES_CPP_H
+
+#include <time.h>
+#include <unistd.h>
+#include <stdint.h>
+
+typedef long long uw_Basis_int;
+typedef double uw_Basis_float;
+typedef char* uw_Basis_string;
+typedef char uw_Basis_char;
+typedef struct {
+  time_t seconds;
+  unsigned microseconds;
+} uw_Basis_time;
+typedef struct {
+  size_t size;
+  char *data;
+} uw_Basis_blob;
+
+typedef int uw_unit;
+typedef uw_unit uw_Basis_unit;
+
+typedef enum uw_Basis_bool { uw_Basis_False, uw_Basis_True } uw_Basis_bool;
+
+typedef uw_Basis_string uw_Basis_xhtml;
+typedef uw_Basis_string uw_Basis_page;
+typedef uw_Basis_string uw_Basis_xbody;
+typedef uw_Basis_string uw_Basis_css_class;
+
+typedef unsigned uw_Basis_client;
+typedef struct {
+  unsigned cli, chn;
+} uw_Basis_channel;
+
+typedef struct {
+  int context;
+  unsigned long long source;
+} uw_Basis_source;
+
+typedef struct uw_Basis_file {
+  uw_Basis_string name, type;
+  uw_Basis_blob data;
+} uw_Basis_file;
+
+typedef struct uw_Basis_postBody {
+  uw_Basis_string type, data;
+  size_t len;
+} uw_Basis_postBody;
+
+typedef uw_Basis_string uw_Basis_queryString;
+
+typedef struct {
+  uw_Basis_string name, value, remaining;
+} uw_Basis_postField;
+
+typedef enum { SUCCESS, FATAL, BOUNDED_RETRY, UNLIMITED_RETRY, RETURN_INDIRECTLY } failure_kind;
+
+typedef enum { SERVED, KEEP_OPEN, FAILED } request_result;
+
+#define INTS_MAX 50
+#define FLOATS_MAX 100
+#define TIMES_MAX 100
+
+typedef void (*uw_callback)(void *);
+typedef void (*uw_callback_with_retry)(void *, int will_retry);
+typedef void (*uw_logger)(void*, const char *fmt, ...);
+
+struct uw_context;
+
+typedef struct {
+  void (*callback)(struct uw_context *);
+  unsigned int period;
+} uw_periodic;
+
+typedef struct {
+  int inputs_len, timeout;
+  char *url_prefix;
+
+  void (*client_init)();
+  void (*initializer)(struct uw_context *);
+  void (*expunger)(struct uw_context *, uw_Basis_client);
+
+  void (*db_init)(struct uw_context *);
+  int (*db_begin)(struct uw_context *);
+  int (*db_commit)(struct uw_context *);
+  int (*db_rollback)(struct uw_context *);
+  void (*db_close)(struct uw_context *);
+
+  void (*handle)(struct uw_context *, char *);
+
+  int (*input_num)(const char*);
+  uw_Basis_string (*cookie_sig)(struct uw_context *);
+  int (*check_url)(const char *);
+  int (*check_mime)(const char *);
+  int (*check_requestHeader)(const char *);
+  int (*check_responseHeader)(const char *);
+  int (*check_envVar)(const char *);
+
+  void (*on_error)(struct uw_context *, char *);
+
+  uw_periodic *periodics; // 0-terminated array
+
+  uw_Basis_string time_format;
+} uw_app;
+
+#define ERROR_BUF_LEN 1024
+
+typedef struct {
+  size_t max;
+  char *start, *front, *back;
+} uw_buffer;
+
+#endif