Added optional DataSource::GetName() to get a name for the data source.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@30410 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/debuganalyzer/util/DataSource.cpp

@@ -7,6 +7,8 @@
 
 #include <new>
 
+#include <String.h>
+
 
 // #pragma mark - DataSource
 
@@ -21,6 +23,13 @@ DataSource::~DataSource()
 }
 
 
+status_t
+DataSource::GetName(BString& name)
+{
+	return B_UNSUPPORTED;
+}
+
+
 // #pragma mark - FileDataSource
 
 
@@ -53,6 +62,17 @@ PathDataSource::Init(const char* path)
 }
 
 
+status_t
+PathDataSource::GetName(BString& name)
+{
+	if (fPath.Path() == NULL)
+		return B_NO_INIT;
+
+	name = fPath.Path();
+	return B_OK;
+}
+
+
 status_t
 PathDataSource::OpenFile(BFile& file)
 {
@@ -77,6 +97,24 @@ EntryRefDataSource::Init(const entry_ref* ref)
 }
 
 
+status_t
+EntryRefDataSource::GetName(BString& name)
+{
+	BEntry entry;
+	status_t error = entry.SetTo(&fRef);
+	if (error != B_OK)
+		return error;
+
+	BPath path;
+	error = entry.GetPath(&path);
+	if (error != B_OK)
+		return error;
+
+	name = path.Path();
+	return B_OK;
+}
+
+
 status_t
 EntryRefDataSource::OpenFile(BFile& file)
 {

src/apps/debuganalyzer/util/DataSource.h

@@ -10,12 +10,17 @@
 #include <Path.h>
 
 
+struct BString;
+
+
 class DataSource {
 public:
 								DataSource();
 	virtual						~DataSource();
 
 	virtual	status_t			CreateDataIO(BDataIO** _io) = 0;
+
+	virtual	status_t			GetName(BString& name);
 };
 
 
@@ -32,6 +37,8 @@ class PathDataSource : public FileDataSource {
 public:
 			status_t			Init(const char* path);
 
+	virtual	status_t			GetName(BString& name);
+
 protected:
 	virtual	status_t			OpenFile(BFile& file);
 
@@ -44,6 +51,8 @@ class EntryRefDataSource : public FileDataSource {
 public:
 			status_t			Init(const entry_ref* ref);
 
+	virtual	status_t			GetName(BString& name);
+
 protected:
 	virtual	status_t			OpenFile(BFile& file);