Adds lib-network-manager

libraries/lib-network-manager/HeadersList.cpp

@@ -0,0 +1,157 @@
+/*!********************************************************************
+
+ Audacity: A Digital Audio Editor
+
+ @file HeadersList.cpp
+ @brief Define HTTP headers list class.
+
+ Dmitry Vedenko
+ **********************************************************************/
+
+/*!********************************************************************
+
+ @class Header
+ @brief A string pair, representing HTTP header.
+
+ **********************************************************************/
+
+/*!********************************************************************
+
+ @class HeadersList
+ @brief A class, representing a list of HTTP headers.
+
+ **********************************************************************/
+
+#include "HeadersList.h"
+
+#include <algorithm>
+
+namespace audacity
+{
+namespace network_manager
+{
+
+bool Header::hasSameName (const Header& header) const
+{
+    return hasSameName (header.Name);
+}
+
+bool Header::hasSameName (const std::string& name) const
+{
+    return std::equal (
+        name.begin (), name.end (),
+        Name.begin (), Name.end (),
+        [](const char leftChar, const char rightChar) {
+            return std::tolower (leftChar) == std::tolower (rightChar);
+    });
+}
+
+Header Header::Parse (const std::string& header)
+{
+    const size_t colonPosition = header.find (": ");
+
+    if (colonPosition == std::string::npos) // This can happen when we receieve the first line of the response
+        return { header, std::string () };
+
+    return {
+        header.substr (0, colonPosition),
+        header.substr (colonPosition + 2)
+    };
+}
+
+void HeadersList::setHeader (const Header& header)
+{
+    setHeader (header.Name, header.Value);
+}
+
+void HeadersList::setHeader (const std::string& headerName, std::string headerValue)
+{
+    Header* item = getHeader (headerName);
+
+    if (item != nullptr)
+        item->Value = std::move (headerValue);
+    else
+        mHeaders.push_back ({ headerName, std::move (headerValue) });
+}
+
+void HeadersList::addHeader (Header header)
+{
+    addHeader (std::move (header.Name), std::move (header.Value));
+}
+
+void HeadersList::addHeader (std::string headerName, std::string headerValue)
+{
+    mHeaders.push_back ({ std::move (headerName), std::move (headerValue) });
+}
+
+bool HeadersList::hasHeader (const std::string& headerName) const noexcept
+{
+    return getHeader (headerName) != nullptr;
+}
+
+std::string HeadersList::getHeaderValue (const std::string& headerName) const
+{
+    const Header* header = getHeader (headerName);
+
+    if (header != nullptr)
+        return header->Value;
+
+    return {};
+}
+
+const Header* HeadersList::getHeader (size_t idx) const noexcept
+{
+    return const_cast<HeadersList*>(this)->getHeader (idx);
+}
+
+const Header* HeadersList::getHeader (const std::string& name) const noexcept
+{
+    return const_cast<HeadersList*>(this)->getHeader (name);
+}
+
+size_t HeadersList::getHeadersCount () const noexcept
+{
+    return mHeaders.size ();
+}
+
+HeadersList::HeadersIterator HeadersList::begin () noexcept
+{
+    return mHeaders.begin ();
+}
+
+HeadersList::HeadersIterator HeadersList::end () noexcept
+{
+    return mHeaders.end ();
+}
+
+HeadersList::HeadersConstIterator HeadersList::begin () const noexcept
+{
+    return mHeaders.begin ();
+}
+
+HeadersList::HeadersConstIterator HeadersList::end () const noexcept
+{
+    return mHeaders.end ();
+}
+
+Header* HeadersList::getHeader (size_t idx) noexcept
+{
+    if (idx < mHeaders.size ())
+        return &mHeaders[idx];
+
+    return nullptr;
+}
+
+Header* HeadersList::getHeader (const std::string& headerName) noexcept
+{
+    for (Header& header : mHeaders)
+    {
+        if (header.hasSameName (headerName))
+            return &header;
+    }
+
+    return nullptr;
+}
+
+}
+}