--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/url_breaker.cpp	Tue Aug 17 11:19:54 2021 +0200
@@ -0,0 +1,74 @@
+#include "url_breaker.h"
+
+#include "log.h"
+
+#include <boost/tokenizer.hpp>
+#include <vector>
+
+url_breaker::url_breaker(const std::string &components, const std::string &url)
+{
+    std::vector<std::string> tempcomps;
+    boost::char_separator<char> sep("/");
+
+    // gather the mapping
+    {
+    boost::tokenizer<boost::char_separator<char>> tok(components, sep);
+
+    for(boost::tokenizer<boost::char_separator<char>>::iterator beg=tok.begin(); ; )
+    {
+        tempcomps.push_back(*beg);
+        ++ beg;
+        if(beg == tok.end())
+        {
+            break;
+        }
+    }
+
+    }
+
+    // gather the varios url components
+    {
+    boost::tokenizer<boost::char_separator<char>> tok(url, sep);
+    auto vecit = tempcomps.begin();
+    for(boost::tokenizer<boost::char_separator<char>>::iterator beg=tok.begin();; )
+    {
+        comps[*vecit] = *beg;
+        ++vecit;
+        ++beg;
+
+        if(vecit == tempcomps.end() && beg == tok.end())
+        {
+            break;
+        }
+
+        if(vecit == tempcomps.end())
+        {
+            log_err() << "components map" << components << "contains less keys than" << url;
+            break;
+        }
+
+        if(beg == tok.end())
+        {
+            log_err() << "components map" << components << "contains more keys than" << url;
+            break;
+        }
+    }
+
+    }
+
+    // debug part
+//    for(auto iterator = comps.begin(); iterator != comps.end(); ++ iterator)
+//    {
+//        debug() << "COMP[" << iterator->first << "] = " << iterator->second;
+//    }
+}
+
+std::string url_breaker::operator [](const std::string &k)
+{
+    if(comps.count(k))
+    {
+        return comps[k];
+    }
+    log_err() << "components map contains no value for " << k;
+    return "";
+}