add code structure for db_mgr

src/CMakeLists.txt

@@ -89,4 +89,5 @@ add_compile_options(
 add_subdirectory(main)
 add_subdirectory(utl)
 add_subdirectory(odb)
+add_subdirectory(db_mgr)
 

src/db_mgr/CMakeLists.txt

+include("swig_lib")
+
+# swig_lib()
+
+add_library(db_mgr)
+
+target_sources(db_mgr
+  PRIVATE
+    src/db_mgr.cpp
+)
+
+target_include_directories(db_mgr
+  PUBLIC
+    include
+)
+
+target_link_libraries(db_mgr
+  PRIVATE
+    odb
+    utl
+)
+

src/db_mgr/include/db_mgr/db_mgr.h

@@ -15,6 +15,7 @@ namespace utl {
 class Logger;
 }
 
+namespace eda {
 /* DB Manager: for hierarchical design. A hierarchical design 
  * contains multiple sub-block within the 'top' module. Because
  * dbBlock class in OpenDB only supports two-levels of hierarchy,
@@ -42,10 +43,14 @@ public:
   DbMgr();
   void deleteDbMgr(); // dbDatadase::destroy()
   bool readLibDB();
+  /*
   bool readBlockDBs();
   bool addBlockDB();
   bool deleteBlockDB();
+  */
   bool haveBlockDB(std::string block);
+  
+  void setLogger(utl::Logger* logger);
 
 private:
   /* all Blocks share the same lib (.lef files)
@@ -59,9 +64,10 @@ private:
    * check if there exists duplicate name when inserting
    * blocks.
   */
-  std::unordered_map<std::string, odb::dbDatabase> block_dbs_;
+  std::unordered_map<std::string, odb::dbDatabase*> block_dbs_;
+  utl::Logger* logger_;
 
 };
-
+} // namespace eda
 #endif  // _DB_MGR_H_
 

src/db_mgr/src/db_mgr.cpp

+#include "db_mgr/db_mgr.h"
+#include "db.h"
+#include "utl/Logger.h"
+
+namespace eda {
+
+DbMgr::DbMgr()
+  : lib_db_(nullptr),
+    logger_(nullptr)
+{
+  block_dbs_.clear();
+}
+
+void DbMgr::deleteDbMgr()
+{
+  if (lib_db_ != nullptr) {
+    lib_db_->destroy(lib_db_);
+  }
+  if (!block_dbs_.empty()) {
+    for (auto item : block_dbs_) {
+      odb::dbDatabase* block_db = item.second;
+      block_db->destroy(block_db);
+    }
+    block_dbs_.clear();
+  }
+}
+
+bool DbMgr::haveBlockDB(std::string block)
+{
+  if (block_dbs_.empty()) return false;
+  return block_dbs_.find(block) != block_dbs_.end();
+}
+
+void DbMgr::setLogger(utl::Logger* logger)
+{
+  logger_ = logger;
+}
+
+bool DbMgr::readLibDB()
+{
+  return true;
+}
+
+} // namespace eda
+

src/main/CMakeLists.txt

@@ -24,6 +24,7 @@ target_link_libraries(minieda_swig
   PRIVATE
     utl
     odb
+    db_mgr
 )
 
 # swig_lib(NAME util_swig)
@@ -57,6 +58,7 @@ target_link_libraries(minieda
   minieda_swig
   utl
   odb
+  db_mgr
   ${CMAKE_THREAD_LIBS_INIT}
   ${TCL_LIBRARY}
 )