First version of the inline highlight calculation

examples/reading_logs_via_rule_message/blocked_request.conf

@@ -1,3 +1,3 @@
-SecRule ARGS:param1 "test" "id:1,deny,phase:2,chain,msg:'test'"
+SecRule ARGS:param1 "test" "id:1,deny,phase:2,t:lowercase,chain,msg:'test'"
 SecRule ARGS:param1 "test" "log"
 

examples/reading_logs_via_rule_message/blocked_request_engine_on.conf

@@ -1,2 +1,2 @@
 SecRuleEngine On
-SecRule ARGS:param1 "test" "id:1,deny"
+SecRule ARGS:param1 "test" "id:1,deny,t:lowercase"

examples/reading_logs_via_rule_message/match.conf

@@ -1 +1 @@
-SecRule ARGS:param1 "test" "id:1,deny,msg:'this',msg:'is',msg:'a',msg:'test'"
+SecRule ARGS:param1 "test" "id:1,deny,msg:'this',t:replaceNulls,msg:'is',msg:'a',msg:'test',t:lowercase,t:trim"

examples/reading_logs_via_rule_message/no_match.conf

@@ -1 +1 @@
-SecRule ARGS:param1 "WHEEE" "id:1,phase:2,deny,msg:'this',msg:'is',msg:'a',msg:'test'"
+SecRule ARGS:param1 "WHEEE" "id:1,phase:2,deny,msg:'this',msg:'is',msg:'a',msg:'test',t:lower"

examples/reading_logs_via_rule_message/reading_logs_via_rule_message.h

@@ -163,7 +163,6 @@ class ReadingLogsViaRuleMessage {
             pthread_join(threads[i], &status);
             std::cout << "Main: completed thread id :" << i << std::endl;
         }
-
         delete rules;
         delete modsec;
         pthread_exit(NULL);
@@ -172,6 +171,38 @@ end:
         return -1;
     }
 
+
+    static std::string highlightToText(
+        const modsecurity::RuleMessageHighlight &h) {
+        std::cout << " * ModSecurity variable to be highlighted" << std::endl;
+
+        for (const auto &i : h.m_variable) {
+            std::cout << "  - From: " << std::to_string(i.m_startingAt);
+            std::cout << " to: " << std::to_string(i.m_startingAt + i.m_size);
+            std::cout << std::endl;
+        }
+        std::cout << std::endl;
+
+        std::cout << " * Variable's values ";
+        std::cout << "(may include transformations)" << std::endl;
+        for (const auto &i : h.m_value) {
+            std::cout << "  - " << i.first << ": " << i.second << std::endl;
+        }
+        std::cout << std::endl;
+
+        std::cout << " * Operators match to be highlight inside ";
+        std::cout << "the variables (after transformations)" << std::endl;
+
+        for (const auto &i : h.m_op) {
+            std::cout << "  - From: " << i.m_area.m_startingAt;
+            std::cout << " to: " << std::to_string(i.m_area.m_startingAt \
+                + i.m_area.m_size);
+            std::cout << " [Value: " << i.m_value << "]" << std::endl;
+        }
+        std::cout << std::endl;
+        return "";
+    }
+
     static void logCb(void *data, const void *ruleMessagev) {
         if (ruleMessagev == NULL) {
             std::cout << "I've got a call but the message was null ;(";
@@ -196,6 +227,17 @@ end:
             std::cout << modsecurity::RuleMessage::log(ruleMessage);
             std::cout << std::endl;
         }
+        std::cout << std::endl;
+        std::cout << "Verbose details on the match highlight" << std::endl;
+        std::cout << "  Highlight reference string: ";
+        std::cout << ruleMessage->m_reference << std::endl;
+        std::cout << std::endl;
+        std::cout << "Details:" << std::endl;
+        modsecurity::RuleMessageHighlight h =
+            modsecurity::RuleMessage::computeHighlight(ruleMessage,
+                ruleMessage->m_buf);
+        highlightToText(h);
+        std::cout << std::endl;
     }
 
  protected:

examples/reading_logs_via_rule_message/simple_request.cc

@@ -32,7 +32,7 @@ int main(int argc, char **argv) {
     *(argv++);
     std::string rules(*argv);
     ReadingLogsViaRuleMessage rlvrm(request_header, request_uri, request_body,
-        response_headers, response_body, ip, rules);
+        "", response_body, ip, rules);
     rlvrm.process();