Declare in corresponding header files and dissolve main.h (#3796)

* Declare in corresponding header files and dissolve main.h

Apply include-what-you-use

* Remove further unncessary includes

* Incorporate review comment

* Do not declare static functions and variables in header

* Adapt test

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/Context.cpp

@@ -36,7 +36,8 @@
 #include <Version.h>
 #include <assert.h>
 #include <format.h>
-#include <main.h>
+#include <recur.h>
+#include <rules.h>
 #include <rust/cxx.h>
 #include <shared.h>
 #include <stdlib.h>

src/Operation.h

@@ -1,6 +1,7 @@
 ////////////////////////////////////////////////////////////////////////////////
 //
-// Copyright 2006 - 2024, Tomas Babej, Paul Beckingham, Federico Hernandez.
+// Copyright 2006 - 2025, Tomas Babej, Paul Beckingham, Federico Hernandez,
+//                        Tobias Predel.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -24,8 +25,8 @@
 //
 ////////////////////////////////////////////////////////////////////////////////
 
-#ifndef INCLUDED_OPERATIOn
-#define INCLUDED_OPERATIOn
+#ifndef INCLUDED_OPERATION
+#define INCLUDED_OPERATION
 
 #include <taskchampion-cpp/lib.h>
 

src/TDB2.cpp

@@ -33,13 +33,11 @@
 #include <TDB2.h>
 #include <Table.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 #include <stdlib.h>
 #include <util.h>
 
 #include <algorithm>
-#include <iostream>
 #include <unordered_set>
 #include <vector>
 

src/TDB2.h

@@ -27,7 +27,6 @@
 #ifndef INCLUDED_TDB2
 #define INCLUDED_TDB2
 
-#include <FS.h>
 #include <Task.h>
 #include <taskchampion-cpp/lib.h>
 

src/TF2.cpp

@@ -31,7 +31,9 @@
 #include <Table.h>
 #include <cmake.h>
 #include <format.h>
-#include <main.h>
+#ifdef PRODUCT_TASKWARRIOR
+#include <legacy.h>
+#endif
 #include <shared.h>
 #include <util.h>
 

src/Task.cpp

@@ -58,7 +58,8 @@
 #include <Eval.h>
 #include <Filter.h>
 #include <Variant.h>
-#include <main.h>
+#include <dependency.h>
+#include <feedback.h>
 
 #define APPROACHING_INFINITY 1000  // Close enough.  This isn't rocket surgery.
 

src/Variant.h

@@ -28,7 +28,6 @@
 #define INCLUDED_VARIANT
 
 #include <Task.h>
-#include <time.h>
 
 #include <string>
 

src/ViewTask.cpp

@@ -30,7 +30,7 @@
 #include <Context.h>
 #include <ViewTask.h>
 #include <format.h>
-#include <main.h>
+#include <rules.h>
 #include <utf8.h>
 #include <util.h>
 

src/columns/ColDepends.cpp

@@ -30,13 +30,10 @@
 #include <ColDepends.h>
 #include <Context.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
-#include <stdlib.h>
 #include <utf8.h>
 #include <util.h>
 
-#include <algorithm>
 #include <regex>
 
 #define STRING_COLUMN_LABEL_DEP "Depends"

src/columns/ColTags.cpp

@@ -32,8 +32,8 @@
 #include <Eval.h>
 #include <Filter.h>
 #include <Variant.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 #include <utf8.h>
 

src/commands/CmdAdd.cpp

@@ -29,8 +29,8 @@
 
 #include <CmdAdd.h>
 #include <Context.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
 
 ////////////////////////////////////////////////////////////////////////////////
 CmdAdd::CmdAdd() {

src/commands/CmdAnnotate.cpp

@@ -30,8 +30,8 @@
 #include <CmdAnnotate.h>
 #include <Context.h>
 #include <Filter.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 
 #include <iostream>

src/commands/CmdAppend.cpp

@@ -30,8 +30,8 @@
 #include <CmdAppend.h>
 #include <Context.h>
 #include <Filter.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 
 #include <iostream>

src/commands/CmdBurndown.cpp

@@ -33,7 +33,6 @@
 #include <Duration.h>
 #include <Filter.h>
 #include <format.h>
-#include <main.h>
 #include <math.h>
 #include <shared.h>
 #include <string.h>

src/commands/CmdCalendar.cpp

@@ -32,7 +32,6 @@
 #include <Lexer.h>
 #include <Table.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 #include <stdlib.h>
 #include <utf8.h>

src/commands/CmdColor.cpp

@@ -32,7 +32,6 @@
 #include <Context.h>
 #include <Table.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 
 #include <sstream>

src/commands/CmdColumns.cpp

@@ -31,7 +31,6 @@
 #include <Color.h>
 #include <Context.h>
 #include <Table.h>
-#include <main.h>
 #include <shared.h>
 #include <util.h>
 

src/commands/CmdContext.cpp

@@ -33,7 +33,7 @@
 #include <Filter.h>
 #include <Table.h>
 #include <format.h>
-#include <main.h>
+#include <rules.h>
 #include <shared.h>
 #include <util.h>
 

src/commands/CmdCount.cpp

@@ -30,7 +30,6 @@
 #include <CmdCount.h>
 #include <Filter.h>
 #include <format.h>
-#include <main.h>
 
 ////////////////////////////////////////////////////////////////////////////////
 CmdCount::CmdCount() {

src/commands/CmdCustom.cpp

@@ -34,15 +34,15 @@
 #include <Lexer.h>
 #include <Version.h>
 #include <ViewTask.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
+#include <legacy.h>
 #include <shared.h>
-#include <stdlib.h>
+#include <sort.h>
 #include <util.h>
 
 #include <algorithm>
 #include <iostream>
-#include <map>
 #include <sstream>
 #include <vector>
 

src/commands/CmdDelete.cpp

@@ -30,8 +30,10 @@
 #include <CmdDelete.h>
 #include <Context.h>
 #include <Filter.h>
+#include <dependency.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
+#include <recur.h>
 #include <shared.h>
 
 #include <iostream>

src/commands/CmdDenotate.cpp

@@ -30,8 +30,8 @@
 #include <CmdDenotate.h>
 #include <Context.h>
 #include <Filter.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 #include <util.h>
 

src/commands/CmdDone.cpp

@@ -30,8 +30,11 @@
 #include <CmdDone.h>
 #include <Context.h>
 #include <Filter.h>
+#include <dependency.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
+#include <nag.h>
+#include <recur.h>
 #include <util.h>
 
 #include <iostream>

src/commands/CmdDuplicate.cpp

@@ -30,8 +30,8 @@
 #include <CmdDuplicate.h>
 #include <Context.h>
 #include <Filter.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
 #include <util.h>
 
 #include <iostream>

src/commands/CmdEdit.cpp

@@ -36,7 +36,6 @@
 #include <Lexer.h>
 #include <Pig.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 #include <unistd.h>
 #include <util.h>

src/commands/CmdExport.cpp

@@ -31,8 +31,9 @@
 #include <Context.h>
 #include <Filter.h>
 #include <format.h>
-#include <main.h>
+#include <legacy.h>
 #include <shared.h>
+#include <sort.h>
 
 ////////////////////////////////////////////////////////////////////////////////
 CmdExport::CmdExport() {

src/commands/CmdGet.cpp

@@ -32,7 +32,6 @@
 #include <DOM.h>
 #include <Variant.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 
 ////////////////////////////////////////////////////////////////////////////////

src/commands/CmdHistory.cpp

@@ -33,7 +33,6 @@
 #include <Filter.h>
 #include <Table.h>
 #include <format.h>
-#include <main.h>
 #include <util.h>
 
 #include <sstream>

src/commands/CmdIDs.cpp

@@ -30,7 +30,6 @@
 #include <CmdIDs.h>
 #include <Context.h>
 #include <Filter.h>
-#include <main.h>
 #include <shared.h>
 
 #include <algorithm>

src/commands/CmdInfo.cpp

@@ -34,9 +34,9 @@
 #include <Filter.h>
 #include <Lexer.h>
 #include <Operation.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
-#include <math.h>
+#include <rules.h>
 #include <shared.h>
 #include <stdlib.h>
 #include <taskchampion-cpp/lib.h>

src/commands/CmdLog.cpp

@@ -29,8 +29,8 @@
 
 #include <CmdLog.h>
 #include <Context.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
 
 ////////////////////////////////////////////////////////////////////////////////
 CmdLog::CmdLog() {

src/commands/CmdModify.cpp

@@ -30,8 +30,9 @@
 #include <CmdModify.h>
 #include <Context.h>
 #include <Filter.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
+#include <recur.h>
 #include <shared.h>
 
 #include <iostream>

src/commands/CmdNews.cpp

@@ -33,7 +33,6 @@
 #include <Duration.h>
 #include <Table.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 #include <util.h>
 

src/commands/CmdPrepend.cpp

@@ -30,8 +30,8 @@
 #include <CmdPrepend.h>
 #include <Context.h>
 #include <Filter.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 
 #include <iostream>

src/commands/CmdProjects.cpp

@@ -32,10 +32,9 @@
 #include <Filter.h>
 #include <Table.h>
 #include <format.h>
-#include <main.h>
+#include <sort.h>
 #include <util.h>
 
-#include <algorithm>
 #include <list>
 #include <sstream>
 

src/commands/CmdPurge.cpp

@@ -30,8 +30,8 @@
 #include <CmdPurge.h>
 #include <Context.h>
 #include <Filter.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 
 ////////////////////////////////////////////////////////////////////////////////

src/commands/CmdShow.cpp

@@ -32,7 +32,7 @@
 #include <FS.h>
 #include <Table.h>
 #include <format.h>
-#include <main.h>
+#include <legacy.h>
 #include <util.h>
 
 #include <algorithm>

src/commands/CmdStart.cpp

@@ -30,8 +30,11 @@
 #include <CmdStart.h>
 #include <Context.h>
 #include <Filter.h>
+#include <dependency.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
+#include <nag.h>
+#include <recur.h>
 #include <util.h>
 
 #include <iostream>

src/commands/CmdStats.cpp

@@ -34,7 +34,6 @@
 #include <Filter.h>
 #include <Table.h>
 #include <format.h>
-#include <main.h>
 #include <stdlib.h>
 #include <util.h>
 

src/commands/CmdStop.cpp

@@ -30,8 +30,10 @@
 #include <CmdStop.h>
 #include <Context.h>
 #include <Filter.h>
+#include <dependency.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
+#include <recur.h>
 
 #include <iostream>
 

src/commands/CmdSummary.cpp

@@ -33,11 +33,10 @@
 #include <Filter.h>
 #include <Table.h>
 #include <format.h>
-#include <main.h>
+#include <sort.h>
 #include <stdlib.h>
 #include <util.h>
 
-#include <algorithm>
 #include <list>
 #include <sstream>
 

src/commands/CmdTimesheet.cpp

@@ -33,8 +33,7 @@
 #include <Filter.h>
 #include <Table.h>
 #include <format.h>
-#include <main.h>
-#include <stdlib.h>
+#include <rules.h>
 #include <util.h>
 
 #include <algorithm>

src/commands/CmdUDAs.cpp

@@ -33,7 +33,6 @@
 #include <Table.h>
 #include <Task.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 #include <util.h>
 

src/commands/CmdUndo.cpp

@@ -31,12 +31,11 @@
 #include <Context.h>
 #include <Operation.h>
 #include <Task.h>
+#include <shared.h>
 
 #include <iostream>
 #include <sstream>
 
-#include "shared.h"
-
 ////////////////////////////////////////////////////////////////////////////////
 CmdUndo::CmdUndo() {
   _keyword = "undo";

src/commands/CmdUrgency.cpp

@@ -32,8 +32,6 @@
 #include <Filter.h>
 #include <Lexer.h>
 #include <format.h>
-#include <main.h>
-#include <stdlib.h>
 
 #include <sstream>
 

src/commands/Command.cpp

@@ -50,9 +50,7 @@
 #include <CmdEdit.h>
 #include <Command.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
-#include <stdlib.h>
 #include <util.h>
 
 #include <iostream>

src/dependency.cpp

@@ -28,8 +28,8 @@
 // cmake.h include header must come first
 
 #include <Context.h>
+#include <dependency.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 
 #include <iostream>

src/dependency.h

@@ -0,0 +1,43 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2006 - 2025, Tomas Babej, Paul Beckingham, Federico Hernandez,
+//                        Tobias Predel.
+//
+// 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_DEPENDENCY
+#define INCLUDED_DEPENDENCY
+
+#include <cmake.h>
+// cmake.h include header must come first
+
+#include <Task.h>
+
+#define STRING_DEPEND_BLOCKED "Task {1} is blocked by:"
+bool dependencyIsCircular(const Task& task);
+void dependencyChainOnComplete(Task& task);
+void dependencyChainOnStart(Task& task);
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////

src/feedback.cpp

@@ -31,8 +31,8 @@
 #include <Datetime.h>
 #include <Duration.h>
 #include <Lexer.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
 #include <shared.h>
 #include <stdlib.h>
 

src/feedback.h

@@ -0,0 +1,54 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2006 - 2025, Tomas Babej, Paul Beckingham, Federico Hernandez,
+//                        Tobias Predel.
+//
+// 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_FEEDBACK
+#define INCLUDED_FEEDBACK
+
+#include <cmake.h>
+// cmake.h include header must come first
+
+#include <Task.h>
+
+#include <string>
+#include <vector>
+
+std::string renderAttribute(const std::string& name, const std::string& value,
+                            const std::string& format = "");
+void feedback_affected(const std::string& effect);
+void feedback_affected(const std::string& effect, int quantity);
+void feedback_affected(const std::string& effect, const Task& task);
+void feedback_reserved_tags(const std::string& tag);
+void feedback_special_tags(const Task& task, const std::string& tag);
+void feedback_unblocked(const Task& task);
+void feedback_backlog();
+std::string onProjectChange(Task& task, bool scope = true);
+std::string onProjectChange(Task& task1, Task& task2);
+std::string onExpiration(Task& task);
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////

src/legacy.h

@@ -0,0 +1,44 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2006 - 2025, Tomas Babej, Paul Beckingham, Federico Hernandez,
+//                        Tobias Predel.
+//
+// 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_LEGACY
+#define INCLUDED_LEGACY
+
+#include <cmake.h>
+// cmake.h include header must come first
+
+#include <string>
+
+void legacyColumnMap(std::string& name);
+void legacySortColumnMap(std::string& name);
+std::string legacyCheckForDeprecatedVariables();
+std::string legacyCheckForDeprecatedColumns();
+void legacyAttributeMap(std::string& name);
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////

src/main.h

@@ -1,93 +0,0 @@
-////////////////////////////////////////////////////////////////////////////////
-//
-// Copyright 2006 - 2021, Tomas Babej, 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_MAIN
-#define INCLUDED_MAIN
-
-#include <Color.h>
-#include <Context.h>
-#include <Datetime.h>
-#include <sys/types.h>
-
-#include <list>
-#include <map>
-#include <optional>
-#include <string>
-#include <vector>
-
-// recur.cpp
-void handleRecurrence();
-void handleUntil();
-std::optional<Datetime> checked_add_datetime(Datetime& base, time_t delta);
-std::optional<Datetime> getNextRecurrence(Datetime&, std::string&);
-bool generateDueDates(Task&, std::vector<Datetime>&);
-void updateRecurrenceMask(Task&);
-
-// nag.cpp
-void nag(std::vector<Task>&);
-
-// rules.cpp
-void initializeColorRules();
-void autoColorize(Task&, Color&);
-std::string colorizeHeader(const std::string&);
-std::string colorizeFootnote(const std::string&);
-std::string colorizeError(const std::string&);
-std::string colorizeDebug(const std::string&);
-
-// dependency.cpp
-bool dependencyIsCircular(const Task&);
-void dependencyChainOnComplete(Task&);
-void dependencyChainOnStart(Task&);
-
-// feedback.cpp
-std::string renderAttribute(const std::string&, const std::string&, const std::string& format = "");
-void feedback_affected(const std::string&);
-void feedback_affected(const std::string&, int);
-void feedback_affected(const std::string&, const Task&);
-void feedback_reserved_tags(const std::string&);
-void feedback_special_tags(const Task&, const std::string&);
-void feedback_unblocked(const Task&);
-void feedback_backlog();
-std::string onProjectChange(Task&, bool scope = true);
-std::string onProjectChange(Task&, Task&);
-std::string onExpiration(Task&);
-
-// sort.cpp
-void sort_tasks(std::vector<Task>&, std::vector<int>&, const std::string&);
-void sort_projects(std::list<std::pair<std::string, int>>& sorted,
-                   std::map<std::string, int>& allProjects);
-void sort_projects(std::list<std::pair<std::string, int>>& sorted,
-                   std::map<std::string, bool>& allProjects);
-
-// legacy.cpp
-void legacyColumnMap(std::string&);
-void legacySortColumnMap(std::string&);
-std::string legacyCheckForDeprecatedVariables();
-std::string legacyCheckForDeprecatedColumns();
-void legacyAttributeMap(std::string&);
-
-#endif
-////////////////////////////////////////////////////////////////////////////////

src/nag.h

@@ -0,0 +1,43 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2006 - 2025, Tomas Babej, Paul Beckingham, Federico Hernandez,
+// 						  Tobias Predel.
+//
+// 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_NAG
+#define INCLUDED_NAG
+
+#include <cmake.h>
+// cmake.h include header must come first
+#include <Task.h>
+
+#include <vector>
+
+////////////////////////////////////////////////////////////////////////////////
+// Generates a nag message when there are READY tasks of a higher urgency.
+void nag(std::vector<Task>& tasks);
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////

src/recur.cpp

@@ -31,9 +31,10 @@
 #include <Datetime.h>
 #include <Duration.h>
 #include <Lexer.h>
+#include <feedback.h>
 #include <format.h>
-#include <main.h>
 #include <pwd.h>
+#include <recur.h>
 #include <stdlib.h>
 #include <sys/types.h>
 #include <time.h>

src/recur.h

@@ -0,0 +1,57 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2006 - 2025, Tomas Babej, Paul Beckingham, Federico Hernandez,
+// 						  Tobias Predel.
+//
+// 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_RECUR
+#define INCLUDED_RECUR
+
+#include <cmake.h>
+// cmake.h include header must come first
+
+#include <Context.h>
+#include <Datetime.h>
+#include <Duration.h>
+#include <Lexer.h>
+#include <format.h>
+#include <pwd.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unicode.h>
+#include <unistd.h>
+#include <util.h>
+
+#include <optional>
+
+std::optional<Datetime> checked_add_datetime(Datetime& base, time_t delta);
+void handleRecurrence();
+bool generateDueDates(Task& parent, std::vector<Datetime>& allDue);
+std::optional<Datetime> getNextRecurrence(Datetime& current, std::string& period);
+void updateRecurrenceMask(Task& task);
+void handleUntil();
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////

src/rules.cpp

@@ -29,7 +29,7 @@
 
 #include <Context.h>
 #include <Datetime.h>
-#include <main.h>
+#include <rules.h>
 #include <shared.h>
 
 static std::map<std::string, Color> gsColor;

src/rules.h

@@ -0,0 +1,47 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2006 - 2025, Tomas Babej, Paul Beckingham, Federico Hernandez,
+// 						  Tobias Predel.
+//
+// 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_RULES
+#define INCLUDED_RULES
+
+#include <cmake.h>
+// cmake.h include header must come first
+
+#include <Context.h>
+#include <Datetime.h>
+#include <shared.h>
+
+void initializeColorRules();
+void autoColorize(Task& task, Color& c);
+std::string colorizeHeader(const std::string& input);
+std::string colorizeFootnote(const std::string& input);
+std::string colorizeError(const std::string& input);
+std::string colorizeDebug(const std::string& input);
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////

src/sort.h

@@ -0,0 +1,51 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2006 - 2025, Tomas Babej, Paul Beckingham, Federico Hernandez,
+//                        Tobias Predel.
+//
+// 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_SORT
+#define INCLUDED_SORT
+
+#include <cmake.h>
+// cmake.h include header must come first
+
+#include <Task.h>
+
+#include <list>
+#include <map>
+#include <string>
+#include <vector>
+
+void sort_tasks(std::vector<Task>& data, std::vector<int>& order, const std::string& keys);
+
+void sort_projects(std::list<std::pair<std::string, int>>& sorted,
+                   std::map<std::string, int>& allProjects);
+
+void sort_projects(std::list<std::pair<std::string, int>>& sorted,
+                   std::map<std::string, bool>& allProjects);
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////

src/util.cpp

@@ -34,8 +34,8 @@
 #ifdef FREEBSD
 #define _WITH_GETLINE
 #endif
+#include <Context.h>
 #include <Lexer.h>
-#include <main.h>
 #include <pwd.h>
 #include <signal.h>
 #include <stdlib.h>

test/col_test.cpp

@@ -28,8 +28,6 @@
 // cmake.h include header must come first
 
 #include <columns/ColID.h>
-#include <main.h>
-#include <stdlib.h>
 #include <test.h>
 
 ////////////////////////////////////////////////////////////////////////////////

test/make_tc_task.cpp

@@ -28,16 +28,12 @@
 // cmake.h include header must come first
 
 #include <CmdInfo.h>
-#include <main.h>
 #include <stdlib.h>
 #include <taskchampion-cpp/lib.h>
 #include <test.h>
 #include <util.h>
 
 #include <iostream>
-#include <limits>
-
-#include "format.h"
 
 namespace {
 

test/t_test.cpp

@@ -27,10 +27,11 @@
 #include <cmake.h>
 // cmake.h include header must come first
 
-#include <main.h>
 #include <stdlib.h>
 #include <test.h>
 
+#include "Context.h"
+
 ////////////////////////////////////////////////////////////////////////////////
 int TEST_NAME(int, char**) {
   UnitTest test(48);

test/tdb2_test.cpp

@@ -27,12 +27,10 @@
 #include <cmake.h>
 // cmake.h include header must come first
 
-#include <main.h>
-#include <stdlib.h>
 #include <test.h>
 #include <unistd.h>
 
-#include <iostream>
+#include "Context.h"
 
 namespace {
 

test/tw_2689_test.cpp

@@ -26,11 +26,9 @@
 
 #include <cmake.h>
 
-#include <iostream>
 // cmake.h include header must come first
 
-#include <main.h>
-#include <stdlib.h>
+#include <Task.h>
 #include <test.h>
 
 ////////////////////////////////////////////////////////////////////////////////

test/util_test.cpp

@@ -27,12 +27,11 @@
 #include <cmake.h>
 // cmake.h include header must come first
 
-#include <main.h>
-#include <stdlib.h>
+#include <Context.h>
+#include <recur.h>
 #include <test.h>
 #include <util.h>
 
-#include <iostream>
 #include <limits>
 
 ////////////////////////////////////////////////////////////////////////////////

test/view_test.cpp

@@ -31,9 +31,8 @@
 #include <Context.h>
 #include <Task.h>
 #include <ViewTask.h>
-#include <main.h>
+#include <sort.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <test.h>
 #include <unistd.h>