uri resolve example

doc/ref/corelib/utility/uri.md

@@ -116,6 +116,9 @@ Returns true if this URI has a query part, otherwise false.
     bool has_fragment() const noexcept;
 Returns true if this URI has a fragment part, otherwise false.
 
+    uri resolve(jsoncons::string_view reference) const;
+Resolve `reference` as a URI relative to this URI.
+
     uri resolve(const uri& reference) const;
 Resolve `reference` as a URI relative to this URI.
 
@@ -126,6 +129,38 @@ Returns a URI string.
 Creates a `uri` by parsing the given string. If a parse error is
 encountered, returns a default constructed `uri` and sets `ec`.
 
+    friend std::ostream& operator<<(std::ostream& os, const uri& uri_);
+
 ### Examples
 
+```cpp
+#include <jsoncons/utility/uri.hpp>
+
+int main()
+{
+#include <jsoncons/utility/uri.hpp>
+
+int main()
+{
+    jsoncons::uri uri{ "https://github.com/danielaparker/jsoncons/" };
+
+    auto uri1 = uri.resolve("tree/master/doc/ref/corelib/utility/uri.md");
+    std::cout << "(1) " << uri1 << "\n";
+
+    auto uri2 = uri1.resolve("../../../../../../blob/master/include/jsoncons/utility/uri.hpp");
+    std::cout << "(2) " << uri2 << "\n";
+
+    auto uri3 = uri2.resolve("file:///~calendar");
+    std::cout << "(3) " << uri3 << "\n";
+}
+}
+```
+
+Output:
+
+```
+(1) https://github.com/danielaparker/jsoncons/tree/master/doc/ref/corelib/utility/uri.md
+(2) https://github.com/danielaparker/jsoncons/blob/master/include/jsoncons/utility/uri.hpp
+(3) file:///~calendar
+```
 

include/jsoncons/utility/uri.hpp

@@ -525,6 +525,11 @@ namespace jsoncons {
             return !raw_fragment().empty();
         }
 
+        uri resolve(string_view reference) const
+        {
+            return resolve(uri(reference));
+        }
+
         uri resolve(const uri& reference) const
         {
             // This implementation uses the psuedo-code given in
@@ -1610,7 +1615,14 @@ namespace jsoncons {
                 {
                     valid = false;
                 }
-                cur = pct_encoded.second ? pct_encoded.first : ++cur;
+                if (pct_encoded.second)
+                {
+                    cur = pct_encoded.first;
+                }
+                else
+                {
+                    ++cur;
+                }
             }
             return valid;
         }
@@ -1657,6 +1669,11 @@ namespace jsoncons {
             }
             return valid;
         }
+
+        friend std::ostream& operator<<(std::ostream& os, const uri& a_uri)
+        {
+            return os << a_uri.string();
+        }
     };
 
 } // namespace jsoncons