Now searches for project path if a clang-file is opened without a directory opened. Some minor fixes also.

src/notebook.cc

@@ -3,6 +3,7 @@
 #include "sourcefile.h"
 #include "singletons.h"
 #include <fstream>
+#include <regex>
 
 #include <iostream> //TODO: remove
 using namespace std; //TODO: remove
@@ -50,19 +51,29 @@ void Notebook::open(std::string path) {
   }
   can_read.close();
   
-  auto tmp_project_path=project_path;
-  if(tmp_project_path=="") {
-    tmp_project_path=boost::filesystem::path(path).parent_path().string();
-  }
   auto language=Source::guess_language(path);
   if(language && (language->get_id()=="chdr" || language->get_id()=="c" || language->get_id()=="cpp" || language->get_id()=="objc")) {
-    if(boost::filesystem::exists(tmp_project_path+"/CMakeLists.txt") && !boost::filesystem::exists(tmp_project_path+"/compile_commands.json")) {
-      make_compile_commands();
+    auto view_project_path=project_path;
+    if(view_project_path=="") {
+      view_project_path=boost::filesystem::path(path).parent_path().string();
+      auto found_project_path=find_project_path(view_project_path);
+      if(found_project_path!="") {
+        view_project_path=found_project_path;
+        Singleton::terminal()->print("Project path for "+path+" set to "+view_project_path+"\n");
+      }
+      else
+        Singleton::terminal()->print("Error: could not find project path for "+path+"\n");
     }
-    source_views.emplace_back(new Source::ClangView(path, tmp_project_path));
+    if(boost::filesystem::exists(view_project_path+"/CMakeLists.txt") && !boost::filesystem::exists(view_project_path+"/compile_commands.json"))
+      make_compile_commands(view_project_path);
+    source_views.emplace_back(new Source::ClangView(path, view_project_path));
+  }
+  else {
+    auto view_project_path=project_path;
+    if(view_project_path=="")
+      view_project_path=boost::filesystem::path(path).parent_path().string();
+    source_views.emplace_back(new Source::GenericView(path, view_project_path, language));
   }
-  else
-    source_views.emplace_back(new Source::GenericView(path, tmp_project_path, language));
     
   scrolled_windows.emplace_back(new Gtk::ScrolledWindow());
   hboxes.emplace_back(new Gtk::HBox());
@@ -101,6 +112,32 @@ void Notebook::open(std::string path) {
   };
 }
 
+std::string Notebook::find_project_path(const std::string &path) {
+  auto find_cmake_project=[this](const boost::filesystem::path &path) {
+    auto cmake_path=path;
+    cmake_path+="/CMakeLists.txt";
+    for(auto &line: juci::filesystem::read_lines(cmake_path)) {
+      const std::regex cmake_project("^ *project *\\(.*$");
+      std::smatch sm;
+      if(std::regex_match(line, sm, cmake_project)) {
+        return true;
+      }
+    }
+    return false;
+  };
+  
+  auto boost_path=boost::filesystem::path(path);
+  if(find_cmake_project(boost_path))
+    return boost_path.string();
+  do {
+    boost_path=boost_path.parent_path();
+    if(find_cmake_project(boost_path))
+      return boost_path.string();
+  } while(boost_path!=boost_path.root_directory());
+
+  return "";
+}
+
 bool Notebook::save(int page) {
   if(page>=size())
     return false;
@@ -112,7 +149,7 @@ bool Notebook::save(int page) {
       
       //If CMakeLists.txt have been modified:
       if(boost::filesystem::path(view->file_path).filename().string()=="CMakeLists.txt") {
-        if(make_compile_commands()) {
+        if(project_path!="" && make_compile_commands(project_path)) {
           for(auto source_view: source_views) {
             if(auto source_clang_view=dynamic_cast<Source::ClangView*>(source_view)) {
               if(project_path==source_view->project_path) {
@@ -133,14 +170,12 @@ bool Notebook::save(int page) {
   return false;
 }
 
-bool Notebook::make_compile_commands() {
-  if(project_path.size()>0) {
-    Singleton::terminal()->print("Creating "+boost::filesystem::path(project_path+"/compile_commands.json").string()+"\n");
-    //TODO: Windows...
-    if(Singleton::terminal()->execute(project_path, "cmake . -DCMAKE_EXPORT_COMPILE_COMMANDS=ON 2>&1")) {
-      //TODO: refresh directories
-      return true;
-    }
+bool Notebook::make_compile_commands(const std::string &path) {
+  Singleton::terminal()->print("Creating "+boost::filesystem::path(path+"/compile_commands.json").string()+"\n");
+  //TODO: Windows...
+  if(Singleton::terminal()->execute(path, "cmake . -DCMAKE_EXPORT_COMPILE_COMMANDS=ON 2>&1")) {
+    //TODO: refresh directories
+    return true;
   }
   return false;
 }

src/notebook.h

@@ -22,7 +22,8 @@ public:
   std::string project_path;
       
 private:
-  bool make_compile_commands();
+  std::string find_project_path(const std::string &path);
+  bool make_compile_commands(const std::string &path);
   bool save_modified_dialog();
   std::vector<Source::View*> source_views; //Is NOT freed in destructor, this is intended for quick program exit.
   std::vector<std::unique_ptr<Gtk::ScrolledWindow> > scrolled_windows;