Partially finished HTTP stuff

luprex/core/cpp/http.cpp

@@ -0,0 +1,26 @@
+
+#include "wrap-sstream.hpp"
+#include "wrap-string.hpp"
+
+static eng::string url_encode(const eng::string &value) {
+    eng::ostringstream escaped;
+    escaped.fill('0');
+    escaped << hex;
+
+    for (int i = 0; i < int(value.size()); i++) {
+        char c = value[i];
+
+        // Keep alphanumeric and other accepted characters intact
+        // Any other characters are percent-encoded
+        if (std::isalnum(c) || c == '-' || c == '_' || c == '.' || c == '~') {
+            escaped << c;
+        } else {
+            escaped << std::uppercase;
+            escaped << '%' << std::setw(2) << int((unsigned char) c);
+            escaped << std::nouppercase;
+        }
+    }
+
+    return escaped.str();
+}
+