1 files changed, 81 insertions, 0 deletions
diff --git a/dom/media/webrtc/sdp/SdpParser.h b/dom/media/webrtc/sdp/SdpParser.h
new file mode 100644
index 0000000000..4b23e93705
--- /dev/null
+++ b/dom/media/webrtc/sdp/SdpParser.h
@@ -0,0 +1,81 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _SDPPARSER_H_
+#define _SDPPARSER_H_
+
+#include <vector>
+#include <string>
+#include "sdp/Sdp.h"
+#include "sdp/SdpLog.h"
+
+#include "mozilla/Telemetry.h"
+
+namespace mozilla {
+
+class SdpParser {
+ public:
+  SdpParser() = default;
+  virtual ~SdpParser() = default;
+
+  class Results {
+   public:
+    typedef std::pair<size_t, std::string> Anomaly;
+    typedef std::vector<Anomaly> AnomalyVec;
+    virtual ~Results() = default;
+    UniquePtr<mozilla::Sdp>& Sdp() { return mSdp; }
+    AnomalyVec& Errors() { return mErrors; }
+    AnomalyVec& Warnings() { return mWarnings; }
+    virtual const std::string& ParserName() const = 0;
+    bool Ok() const { return mErrors.empty(); }
+
+   protected:
+    UniquePtr<mozilla::Sdp> mSdp;
+    AnomalyVec mErrors;
+    AnomalyVec mWarnings;
+  };
+
+  // The name of the parser implementation
+  virtual const std::string& Name() const = 0;
+
+  /**
+   * This parses the provided text into an SDP object.
+   * This returns a nullptr-valued pointer if things go poorly.
+   */
+  virtual UniquePtr<SdpParser::Results> Parse(const std::string& aText) = 0;
+
+  class InternalResults : public Results {
+   public:
+    explicit InternalResults(const std::string& aParserName)
+        : mParserName(aParserName) {}
+    virtual ~InternalResults() = default;
+
+    void SetSdp(UniquePtr<mozilla::Sdp>&& aSdp) { mSdp = std::move(aSdp); }
+
+    void AddParseError(size_t line, const std::string& message) {
+      MOZ_LOG(SdpLog, LogLevel::Error,
+              ("%s: parser error %s, at line %zu", mParserName.c_str(),
+               message.c_str(), line));
+      mErrors.push_back(std::make_pair(line, message));
+    }
+
+    void AddParseWarning(size_t line, const std::string& message) {
+      MOZ_LOG(SdpLog, LogLevel::Warning,
+              ("%s: parser warning %s, at line %zu", mParserName.c_str(),
+               message.c_str(), line));
+      mWarnings.push_back(std::make_pair(line, message));
+    }
+
+    const std::string& ParserName() const override { return mParserName; }
+
+   private:
+    const std::string mParserName;
+  };
+};
+
+}  // namespace mozilla
+
+#endif