Use agi::io::Save in TextFileWriter

Originally committed to SVN as r4772.

aegisub/src/frame_main.cpp

@@ -799,6 +799,10 @@ bool FrameMain::SaveSubtitles(bool saveas,bool withCharset) {
 			ass->Save(filename,true,true,charset);
 			UpdateTitle();
 		}
+		catch (const agi::Exception& err) {
+			wxMessageBox(lagi_wxString(err.GetMessage()), "Error", wxOK | wxICON_ERROR, NULL);
+			return false;
+		}
 		catch (const wchar_t *err) {
 			wxMessageBox(wxString(err), _T("Error"), wxOK | wxICON_ERROR, NULL);
 			return false;

aegisub/src/frame_main_events.cpp

@@ -1388,16 +1388,15 @@ void FrameMain::OnAutoSave(wxTimerEvent &) {
 				dstpath.SetFullName(name + L".AUTOSAVE.ass");
 			}
 
-			wxFileName temp = dstpath;
-			temp.SetName(dstpath.GetName() + ".temp");
-
-			ass->Save(temp.GetFullPath(),false,false);
-			wxRenameFile(temp.GetFullPath(), dstpath.GetFullPath());
+			ass->Save(dstpath.GetFullPath(),false,false);
 
 			// Set status bar
 			StatusTimeout(_("File backup saved as \"") + dstpath.GetFullPath() + _T("\"."));
 		}
 	}
+	catch (const agi::Exception& err) {
+		StatusTimeout(lagi_wxString("Exception when attempting to autosave file: " + err.GetMessage()));
+	}
 	catch (wxString err) {
 		StatusTimeout(_T("Exception when attempting to autosave file: ") + err);
 	}

aegisub/src/spellchecker_hunspell.cpp

@@ -152,7 +152,7 @@ void HunspellSpellChecker::AddWord(wxString word) {
 		writer.WriteLineToFile(wxString::Format(L"%i", dic.Count()));
 		for (unsigned int i=0;i<dic.Count();i++) writer.WriteLineToFile(dic[i]);
 	}
-	catch (const wchar_t*) {
+	catch (const agi::Exception&) {
 		// Failed to open file
 	}
 }

aegisub/src/text_file_writer.cpp

@@ -40,6 +40,8 @@
 #include <fstream>
 #endif
 
+#include <libaegisub/io.h>
+
 #include "charset_conv.h"
 #include "compat.h"
 #include "main.h"
@@ -51,16 +53,8 @@
 /// @param encoding 
 ///
 TextFileWriter::TextFileWriter(wxString const& filename, wxString encoding)
-: conv() {
-#ifdef WIN32
-	file.open(filename.wc_str(),std::ios::out | std::ios::binary | std::ios::trunc);
-#else
-	file.open(wxFNCONV(filename),std::ios::out | std::ios::binary | std::ios::trunc);
-#endif
-	if (!file.is_open()) {
-		throw L"Failed opening file for writing.";
-	}
-
+: file(new agi::io::Save(STD_STR(filename)))
+, conv() {
 	if (encoding.empty()) encoding = lagi_wxString(OPT_GET("App/Save Charset")->GetString());
 	if (encoding.Lower() != wxSTRING_ENCODING)
 		conv.reset(new agi::charset::IconvWrapper(wxSTRING_ENCODING, encoding.c_str(), true));
@@ -98,9 +92,9 @@ void TextFileWriter::WriteLineToFile(wxString line, bool addLineBreak) {
 
 	if (conv.get()) {
 		std::string buf = conv->Convert(std::string(data, len));
-		file.write(buf.data(), buf.size());
+		file->Get().write(buf.data(), buf.size());
 	}
 	else {
-		file.write(data, len);
+		file->Get().write(data, len);
 	}
 }

aegisub/src/text_file_writer.h

@@ -47,6 +47,9 @@ namespace agi {
 	namespace charset {
 		class IconvWrapper;
 	}
+	namespace io {
+		class Save;
+	}
 }
 
 
@@ -56,10 +59,8 @@ namespace agi {
 ///
 /// DOCME
 class TextFileWriter {
-private:
-
 	/// DOCME
-	std::ofstream file;
+	std::auto_ptr<agi::io::Save> file;
 
 	/// DOCME
 	std::auto_ptr<agi::charset::IconvWrapper> conv;