Expose ITable paths (#200)

Closes #196

include/networktables/NetworkTable.h

@@ -562,6 +562,11 @@ class NetworkTable : public ITable {
    * does not exist
    */
   std::shared_ptr<nt::Value> GetValue(llvm::StringRef key) const override;
+
+  /**
+   * Gets the full path of this table.
+   */
+  llvm::StringRef GetPath() const override;
 };
 
 #endif  // NETWORKTABLE_H_

include/tables/ITable.h

@@ -482,6 +482,12 @@ class ITable {
    * @param listener the listener to be removed
    */
   virtual void RemoveTableListener(ITableListener* listener) = 0;
+
+  /**
+   * Gets the full path of this table.
+   */
+  virtual llvm::StringRef GetPath() const = 0;
+
 };
 
 #endif  // ITABLE_H_

java/src/edu/wpi/first/wpilibj/networktables/NetworkTable.java

@@ -1102,4 +1102,14 @@ public class NetworkTable implements ITable, IRemote {
   public double getDouble(String key, double defaultValue) {
     return getNumber(key, defaultValue);
   }
+
+  /**
+   * {@inheritDoc}
+   * @return
+   */
+  @Override
+  public String getPath() {
+    return path;
+  }
+
 }

java/src/edu/wpi/first/wpilibj/tables/ITable.java

@@ -625,4 +625,10 @@ public interface ITable {
    */
   @Deprecated
   public double getDouble(String key, double defaultValue);
+
+  /**
+   * Gets the full path of this table.
+   */
+  public String getPath();
+
 }

src/networktables/NetworkTable.cpp

@@ -576,3 +576,7 @@ std::shared_ptr<nt::Value> NetworkTable::GetValue(StringRef key) const {
   path += key;
   return nt::GetEntryValue(path);
 }
+
+StringRef NetworkTable::GetPath() const {
+  return m_path;
+}