basic saving (no data is written to file yet)

apps/opencs/model/doc/saving.cpp

@@ -8,7 +8,10 @@
 CSMDoc::Saving::Saving (Document& document)
 : Operation (State_Saving, true, true), mDocument (document), mState (*this)
 {
+    appendStage (new OpenSaveStage (mDocument, mState));
 
 
+    appendStage (new CloseSaveStage (mState));
+
     appendStage (new FinalSavingStage (mDocument, mState));
 }

apps/opencs/model/doc/savingstages.cpp

@@ -1,11 +1,53 @@
 
 #include "savingstages.hpp"
 
+#include <fstream>
+
+#include <boost/filesystem.hpp>
+
 #include <QUndoStack>
 
 #include "document.hpp"
 #include "savingstate.hpp"
 
+CSMDoc::OpenSaveStage::OpenSaveStage (Document& document, SavingState& state)
+: mDocument (document), mState (state)
+{}
+
+int CSMDoc::OpenSaveStage::setup()
+{
+    return 1;
+}
+
+void CSMDoc::OpenSaveStage::perform (int stage, std::vector<std::string>& messages)
+{
+    mState.start (mDocument);
+
+    mState.getStream().open (mState.getTmpPath().string().c_str());
+
+    if (!mState.getStream().is_open())
+        throw std::runtime_error ("failed to open stream for saving");
+}
+
+
+CSMDoc::CloseSaveStage::CloseSaveStage (SavingState& state)
+: mState (state)
+{}
+
+int CSMDoc::CloseSaveStage::setup()
+{
+    return 1;
+}
+
+void CSMDoc::CloseSaveStage::perform (int stage, std::vector<std::string>& messages)
+{
+    mState.getStream().close();
+
+    if (!mState.getStream())
+        throw std::runtime_error ("saving failed");
+}
+
+
 CSMDoc::FinalSavingStage::FinalSavingStage (Document& document, SavingState& state)
 : mDocument (document), mState (state)
 {}
@@ -19,12 +61,17 @@ void CSMDoc::FinalSavingStage::perform (int stage, std::vector<std::string>& mes
 {
     if (mState.hasError())
     {
-        /// \todo close stream
-        /// \todo delete tmp file
+        mState.getWriter().close();
+        mState.getStream().close();
+
+        if (boost::filesystem::exists (mState.getTmpPath()))
+            boost::filesystem::remove (mState.getTmpPath());
     }
     else
     {
-        /// \todo delete file, rename tmp file
+        boost::filesystem::remove (mState.getPath());
+        boost::filesystem::rename (mState.getTmpPath(), mState.getPath());
+
         mDocument.getUndoStack().setClean();
     }
 }

apps/opencs/model/doc/savingstages.hpp

@@ -8,6 +8,37 @@ namespace CSMDoc
     class Document;
     class SavingState;
 
+    class OpenSaveStage : public Stage
+    {
+            Document& mDocument;
+            SavingState& mState;
+
+        public:
+
+            OpenSaveStage (Document& document, SavingState& state);
+
+            virtual int setup();
+            ///< \return number of steps
+
+            virtual void perform (int stage, std::vector<std::string>& messages);
+            ///< Messages resulting from this stage will be appended to \a messages.
+    };
+
+    class CloseSaveStage : public Stage
+    {
+            SavingState& mState;
+
+        public:
+
+            CloseSaveStage (SavingState& state);
+
+            virtual int setup();
+            ///< \return number of steps
+
+            virtual void perform (int stage, std::vector<std::string>& messages);
+            ///< Messages resulting from this stage will be appended to \a messages.
+    };
+
     class FinalSavingStage : public Stage
     {
             Document& mDocument;

apps/opencs/model/doc/savingstate.cpp

@@ -2,12 +2,53 @@
 #include "savingstate.hpp"
 
 #include "operation.hpp"
+#include "document.hpp"
 
 CSMDoc::SavingState::SavingState (Operation& operation)
-: mOperation (operation)
-{}
+: mOperation (operation),
+   /// \todo set encoding properly, once config implementation has been fixed.
+  mEncoder (ToUTF8::calculateEncoding ("win1252"))
+{
+    mWriter.setEncoder (&mEncoder);
+}
 
 bool CSMDoc::SavingState::hasError() const
 {
     return mOperation.hasError();
+}
+
+void CSMDoc::SavingState::start (Document& document)
+{
+    if (mStream.is_open())
+        mStream.close();
+
+    mStream.clear();
+
+    mPath = document.getSavePath();
+
+    boost::filesystem::path file (mPath.filename().string() + ".tmp");
+
+    mTmpPath = mPath.parent_path();
+
+    mTmpPath /= file;
+}
+
+const boost::filesystem::path& CSMDoc::SavingState::getPath() const
+{
+    return mPath;
+}
+
+const boost::filesystem::path& CSMDoc::SavingState::getTmpPath() const
+{
+    return mTmpPath;
+}
+
+std::ofstream& CSMDoc::SavingState::getStream()
+{
+    return mStream;
+}
+
+ESM::ESMWriter& CSMDoc::SavingState::getWriter()
+{
+    return mWriter;
 }

apps/opencs/model/doc/savingstate.hpp

@@ -1,19 +1,41 @@
 #ifndef CSM_DOC_SAVINGSTATE_H
 #define CSM_DOC_SAVINGSTATE_H
 
+#include <fstream>
+
+#include <boost/filesystem/path.hpp>
+
+#include <components/esm/esmwriter.hpp>
+
 namespace CSMDoc
 {
     class Operation;
+    class Document;
 
     class SavingState
     {
             Operation& mOperation;
+            boost::filesystem::path mPath;
+            boost::filesystem::path mTmpPath;
+            ToUTF8::Utf8Encoder mEncoder;
+            std::ofstream mStream;
+            ESM::ESMWriter mWriter;
 
         public:
 
             SavingState (Operation& operation);
 
             bool hasError() const;
+
+            void start (Document& document);
+
+            const boost::filesystem::path& getPath() const;
+
+            const boost::filesystem::path& getTmpPath() const;
+
+            std::ofstream& getStream();
+
+            ESM::ESMWriter& getWriter();
     };