pmt: Improve libpartition_map types and some functions.

- Add new operators to Map_t.
 - Add new flags to info function.
 - Move some local pmt function(s) to libhelper.
 - Etc...

srclib/libpartition_map/src/PartitionMap.cpp

@@ -370,7 +370,7 @@ bool basic_partition_map_builder::doForPartitionList(
   for (const auto &partition : partitions) {
     if (!hasPartition(partition))
       throw Error("Couldn't find partition: %s", partition.data());
-    if (!func(partition, {sizeOf(partition), isLogical(partition)})) {
+    if (!func(partition, _current_map[partition])) {
       err = true;
       LOGN(MAP, ERROR) << "Failed progress for " << partition << " partition."
                        << std::endl;

srclib/libpartition_map/src/Type.cpp

@@ -185,8 +185,7 @@ std::string basic_partition_map::find_(const std::string &name) const {
 size_t basic_partition_map::size() const { return _count; }
 
 bool basic_partition_map::empty() const {
-  if (_count > 0) return false;
-  return true;
+  return _count > 0;
 }
 
 void basic_partition_map::clear() {
@@ -229,6 +228,14 @@ bool basic_partition_map::operator!=(const basic_partition_map &other) const {
   return !(*this == other);
 }
 
+basic_partition_map::operator bool() const{
+  return _count > 0;
+}
+
+bool basic_partition_map::operator!() const{
+  return _count == 0;
+}
+
 Info basic_partition_map::operator[](const int index) const {
   if (_count == 0 || index >= _count) return {};
   return _data[index];