From 32bb25cc2666809759371436a6450574b00c0e6d Mon Sep 17 00:00:00 2001
From: Mosder <xmosder12@gmail.com>
Date: Mon, 13 Jul 2026 15:32:27 +0200
Subject: feat: added generic functionallity for getting the parsed data from
 stream

---
 analyzer/parser/parser.c | 79 ++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 66 insertions(+), 13 deletions(-)

(limited to 'analyzer/parser/parser.c')

diff --git a/analyzer/parser/parser.c b/analyzer/parser/parser.c
index 7fb155f..246635c 100644
--- a/analyzer/parser/parser.c
+++ b/analyzer/parser/parser.c
@@ -2,19 +2,72 @@
 
 #include <stdlib.h>
 
-ParsedData *parse_stream(TCPStream *stream, size_t *parsed_len, size_t *n_parsed_data) {
-    // TODO: Need to do parsing of the entire thing (loop) and return all of the parsed data
-    int length;
-    byte_t *start = find_fight_results(stream, &length);
-    if (start == NULL) {
-        *parsed_len = stream->len;
-    }
-    else if (length == -1) {
-        *parsed_len = 0;
+#include "find_parse_functions.h"
+
+// expand parsed data exponentially to fit el_count elements
+ParsedData *expand_parsed_data(ParsedData *parsed_data, size_t *capacity, size_t el_count) {
+    while (*capacity < el_count)
+        *capacity <<= 1;
+    return realloc(parsed_data, *capacity * sizeof(ParsedData));
+}
+
+// find earliest data to parse in stream
+byte_t *find_earliest_data(TCPStream *stream, int stream_offset, int *earliest_length, parse_function_t **earliest_parse_fun) {
+    byte_t *earliest_data = NULL;
+    for (size_t i = 0; i < RESULT_TYPE_COUNT; i++) {
+        int length;
+        byte_t *data = all_find_parse_functions[i].find_fn(stream, stream_offset, &length);
+        // if it's the first found or earlier than earliest - save it
+        if (data && (!earliest_data || data < earliest_data)) {
+            earliest_data = data;
+            *earliest_length = length;
+            *earliest_parse_fun = all_find_parse_functions[i].parse_fn;
+        }
     }
-    else {
-        parse_fight_results(start, length);
-        *parsed_len = start - stream->data + length;
+    return earliest_data;
+}
+
+ParsedData *parse_stream(TCPStream *stream, size_t *parsed_len, size_t *n_parsed_data) {
+    size_t parsed_data_capacity = INIT_PARSED_DATA_CAPACITY;
+    ParsedData *parsed_data = malloc(parsed_data_capacity * sizeof(ParsedData));
+    *n_parsed_data = 0;
+
+    int stream_offset = 0;
+    byte_t *earliest_data;
+    do {
+        // find earliest data to parse
+        int earliest_length;
+        parse_function_t *earliest_parse_fun;
+        earliest_data = find_earliest_data(stream, stream_offset, &earliest_length, &earliest_parse_fun);
+
+        // if start of data to parse was found, but not the end, then finish here
+        // set parsed_len, so that the beginning of that data is at the beginning of the stream
+        if (earliest_data && earliest_length == -1) {
+            *parsed_len = earliest_data - stream->data;
+            return parsed_data;
+        }
+
+        // if data to parse was found, parse it and update the offset
+        if (earliest_data) {
+            // if no capacity in parsed data array - expand it
+            if (*n_parsed_data >= parsed_data_capacity)
+                parsed_data = expand_parsed_data(parsed_data, &parsed_data_capacity, *n_parsed_data + 1);
+
+            parsed_data[(*n_parsed_data)++] = earliest_parse_fun(earliest_data, earliest_length);
+            stream_offset = earliest_data - stream->data + earliest_length;
+        }
+    } while (earliest_data);
+
+    // if all was parsed - set parsed_len to stream_len and return the data
+    *parsed_len = stream->len;
+    return parsed_data;
+}
+
+void free_parsed_data(ParsedData *parsed_data, size_t n_parsed_data) {
+    for (size_t i = 0; i < n_parsed_data; i++) {
+        if (parsed_data[i].data_cleanup)
+            parsed_data[i].data_cleanup(parsed_data[i].data);
+        free(parsed_data[i].data);
     }
-    return NULL;
+    free(parsed_data);
 }
-- 
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