Add a tag database

src/CMakeLists.txt

@@ -13,6 +13,8 @@ set (timew_SRCS CLI.cpp        CLI.h
                 Interval.cpp   Interval.h
                 Range.cpp      Range.h
                 Rules.cpp      Rules.h
+                TagInfo.cpp    TagInfo.h
+                TagInfoDatabase.cpp TagInfoDatabase.h
                 Transaction.cpp Transaction.h
                 TransactionsFactory.cpp TransactionsFactory.h
                 UndoAction.cpp UndoAction.h

src/TagInfo.cpp

@@ -0,0 +1,42 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2018, Thomas Lauf, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// https://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include "TagInfo.h"
+
+TagInfo::TagInfo (int count)
+{
+  _count = count;
+}
+
+int TagInfo::increment ()
+{
+  return _count++;
+}
+
+int TagInfo::decrement ()
+{
+  return --_count;
+}

src/TagInfo.h

@@ -0,0 +1,42 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2018, Thomas Lauf, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// https://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef INCLUDED_TAGINFO
+#define INCLUDED_TAGINFO
+
+class TagInfo
+{
+public:
+  explicit TagInfo (int);
+
+  int increment ();
+  int decrement ();
+
+private:
+  int _count = 0;
+};
+
+#endif

src/TagInfoDatabase.cpp

@@ -0,0 +1,66 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2018, Thomas Lauf, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// https://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include <TagInfoDatabase.h>
+#include <format.h>
+#include <TagInfo.h>
+
+///////////////////////////////////////////////////////////////////////////////
+// Increment tag count
+// If it does not exist, a new entry is created
+//
+// Returns the previous tag count, -1 if it did not exist
+//
+int TagInfoDatabase::incrementTag (const std::string &tag)
+{
+  auto search = _tagInformation.find (tag);
+
+  if (search == _tagInformation.end ())
+  {
+    _tagInformation.emplace (tag, TagInfo (1));
+
+    return -1;
+  }
+
+  return search->second.increment ();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Decrement tag count
+//
+// Returns the new tag count
+//
+int TagInfoDatabase::decrementTag (const std::string &tag)
+{
+  auto search = _tagInformation.find (tag);
+
+  if (search == _tagInformation.end ())
+  {
+    throw format ("Trying to remove non-existent tag '{}'", tag);
+  }
+
+  return search->second.decrement ();
+}

src/TagInfoDatabase.h

@@ -0,0 +1,44 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2018, Thomas Lauf, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// https://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef INCLUDED_TAGINFODATABASE
+#define INCLUDED_TAGINFODATABASE
+
+#include <string>
+#include <TagInfo.h>
+#include <map>
+
+class TagInfoDatabase
+{
+public:
+  int incrementTag (const std::string&);
+  int decrementTag (const std::string&);
+
+private:
+  std::map <std::string, TagInfo> _tagInformation {};
+};
+
+#endif

test/CMakeLists.txt

@@ -16,7 +16,7 @@ include_directories (${CMAKE_SOURCE_DIR}
 include_directories (${CMAKE_INSTALL_PREFIX}/include)
 link_directories(${CMAKE_INSTALL_PREFIX}/lib)
 
-set (test_SRCS data.t exclusion.t helper.t interval.t range.t rules.t util.t)
+set (test_SRCS data.t exclusion.t helper.t interval.t range.t rules.t util.t TagInfoDatabase.t)
 
 add_custom_target (test ./run_all --verbose
                         DEPENDS ${test_SRCS}

test/TagInfoDatabase.t.cpp

@@ -0,0 +1,62 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2018, Thomas Lauf, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// https://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include <cmake.h>
+#include <test.h>
+#include <TagInfoDatabase.h>
+
+////////////////////////////////////////////////////////////////////////////////
+int main (int, char**)
+{
+  UnitTest t (9);
+
+
+  TagInfoDatabase tagInfoDatabase {};
+
+  t.is (tagInfoDatabase.incrementTag ("foo"), -1, "First insertion of 'foo' returns -1");
+  t.is (tagInfoDatabase.incrementTag ("foo"), 1, "New insertion of 'foo' increments count");
+  t.is (tagInfoDatabase.incrementTag ("bar"), -1, "First insertion of 'bar' returns -1");
+  t.is (tagInfoDatabase.incrementTag ("bar"), 1, "New insertion of 'bar' increments count");
+  t.is (tagInfoDatabase.decrementTag ("foo"), 1, "Removal of 'foo' decrements count");
+  t.is (tagInfoDatabase.decrementTag ("bar"), 1, "Removal of 'bar' decrements count");
+  t.is (tagInfoDatabase.decrementTag ("foo"), 0, "Deletion of 'foo' returns 0");
+  t.is (tagInfoDatabase.decrementTag ("bar"), 0, "Deletion of 'bar' returns 0");
+
+  try
+  {
+    tagInfoDatabase.decrementTag ("xyz");
+    t.fail ("Deletion of non-existent tag throws an exception");
+  }
+  catch (...)
+  {
+    t.pass ("Deletion of non-existent tag throws an exception");
+  }
+
+  return 0;
+}
+
+
+