Adds first PoC for the operator offset feature

src/utils/acmp.cc

@@ -530,6 +530,7 @@ int acmp_process_quick(ACMPT *acmpt, const char **match, const char *data, size_
     ACMP *parser;
     acmp_node_t *node, *go_to;
     const char *end;
+    int offset = 0;
 
     if (acmpt->parser->is_failtree_done == 0) {
         acmp_prepare(acmpt->parser);
@@ -551,7 +552,7 @@ int acmp_process_quick(ACMPT *acmpt, const char **match, const char *data, size_
             if (go_to != NULL) {
                 if (go_to->is_last) {
                     *match = go_to->text;
-                    return 1;
+                    return offset;
                 }
             }
             if (node == parser->root_node) break;
@@ -562,8 +563,9 @@ int acmp_process_quick(ACMPT *acmpt, const char **match, const char *data, size_
         /* If node has o_match, then we found a pattern */
         if (node->o_match != NULL) {
             *match = node->text;
-            return 1;
+            return offset;
         }
+        offset++;
     }
     acmpt->ptr = node;
     return 0;

src/utils/regex.cc

@@ -91,6 +91,8 @@ std::list<SMatch> Regex::searchAll(const std::string& s) {
             continue;
         }
         match.match = std::string(tmpString, start, len);
+        match.m_offset = start;
+        match.m_length = len;
         retList.push_front(match);
     }
 

src/utils/regex.h

@@ -31,11 +31,16 @@ namespace Utils {
 
 class SMatch {
  public:
-    SMatch() : size_(0) { }
+    SMatch() : size_(0),
+        m_offset(0),
+        m_length(0),
+        match("") { }
     size_t size() const { return size_; }
     std::string str() const { return match; }
-    int size_;
     std::string match;
+    int size_;
+    int m_offset;
+    int m_length;
 };