allow loading of std::string, README update

README.md

@@ -35,4 +35,5 @@ RagePhoto::Error error = ragePhoto.error();
 
 ```bash
 ragephoto-extract PGTA5123456789 photo.jpg
+ragephoto-extract PRDR3123456789 photo.jpg
 ```

src/RagePhoto.cpp

@@ -349,6 +349,11 @@ bool RagePhoto::load(const char *data, size_t length)
     return false;
 }
 
+bool RagePhoto::load(const std::string &data)
+{
+    return load(data.data(), data.size());
+}
+
 RagePhoto::Error RagePhoto::error()
 {
     return p_error;

src/RagePhoto.h

@@ -72,6 +72,7 @@ public:
     ~RagePhoto();
     void clear();
     bool load(const char *data, size_t length);
+    bool load(const std::string &data);
     Error error();
     const char *photoData();
     const uint32_t photoSize();