[glom] Added a g_return_if_fail check for invalid URLs

[Michael Hasselmann <mikhas src gnome org>]

commit 9af3b65567e7b861a5115c54bac043478f0b5625
Author: Michael Hasselmann <michaelh openismus com>
Date:   Wed Jan 27 15:35:08 2010 +0100

    Added a g_return_if_fail check for invalid URLs
    
    * glom/import_csv/csv_parser.cc: Do not start the async reading if the file
    object is invalid.

 glom/import_csv/csv_parser.cc |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/glom/import_csv/csv_parser.cc b/glom/import_csv/csv_parser.cc
index 82777d5..3e48785 100644
--- a/glom/import_csv/csv_parser.cc
+++ b/glom/import_csv/csv_parser.cc
@@ -70,6 +70,8 @@ void CsvParser::set_file_and_start_parsing(const std::string& file_uri)
   g_return_if_fail(!file_uri.empty());
 
   m_file = Gio::File::create_for_uri(file_uri);
+  g_return_if_fail(m_file->query_exists());
+
   m_file->read_async(sigc::mem_fun(*this, &CsvParser::on_file_read));
   set_state(CsvParser::STATE_PARSING);