feat: added generic functionallity for getting the parsed data from stream

1 files changed, 46 insertions, 0 deletions

diff --git a/analyzer/parser/parser_defs.h b/analyzer/parser/parser_defs.h
new file mode 100644
index 0000000..f99c2f3
--- /dev/null
+++ b/analyzer/parser/parser_defs.h
@@ -0,0 +1,46 @@
+// parser/parser_defs.h
+// useful definitions for parser files
+
+#include "../utils/tcp.h"
+
+#ifndef RESULTS_ENUM_DEFINED
+#define RESULTS_ENUM_DEFINED
+typedef enum { TYPE_FIGHT_RESULTS } ResultsEnum;
+#endif
+
+#ifndef PARSED_DATA_DEFINED
+#define PARSED_DATA_DEFINED
+// "generic" type for parsed data
+typedef struct {
+    ResultsEnum data_type;            // type of data represented by an enum
+    void *data;                       // pointer to the parsed data
+    void (*data_cleanup)(void *data); // function to cleanup internal allocations inside data
+                                      // if no internal allocations - this should be NULL
+} ParsedData;
+#endif
+
+// find the first results data of specific type in stream
+// params:
+//      - stream - stream to find the data in
+//      - offset - offset to start finding data from
+//      - length - length of the data or -1 if there's no end yet
+// returns:
+//      pointer to the beginning of data or NULL if there's none
+typedef byte_t *find_function_t(TCPStream *stream, int offset, int *length);
+
+// parse given data of specifc type
+// params:
+//      - data - data to parse
+//      - length - length of data
+// returns:
+//      ParsedData struct including the parsed data
+typedef ParsedData parse_function_t(byte_t *data, size_t length);
+
+// struct for holding the find and parse function for every result type
+#ifndef FIND_PARSE_FUNCTIONS_DEFINED
+#define FIND_PARSE_FUNCTIONS_DEFINED
+typedef struct {
+    find_function_t *find_fn;
+    parse_function_t *parse_fn;
+} FindParseFunctions;
+#endif