# HG changeset patch
# User alberth <alberth@openttd.org>
# Date 2016-09-04 12:50:22
# Node ID b6a9d97303fc95999cc898c68a6098a623d826dc
# Parent  3130481e7a321f14fea3408dd1de2e26a781adc8

(svn r27641) -Codechange: Fold the _fios_items file list vector into its own class.

diff --git a/src/console_cmds.cpp b/src/console_cmds.cpp
--- a/src/console_cmds.cpp
+++ b/src/console_cmds.cpp
@@ -378,7 +378,7 @@ DEF_CONSOLE_CMD(ConLoad)
 		IConsolePrintF(CC_ERROR, "%s: No such file or directory.", file);
 	}
 
-	FiosFreeSavegameList();
+	_fios_items.Clear();
 	return true;
 }
 
@@ -402,7 +402,7 @@ DEF_CONSOLE_CMD(ConRemove)
 		IConsolePrintF(CC_ERROR, "%s: No such file or directory.", file);
 	}
 
-	FiosFreeSavegameList();
+	_fios_items.Clear();
 	return true;
 }
 
@@ -421,7 +421,7 @@ DEF_CONSOLE_CMD(ConListFiles)
 		IConsolePrintF(CC_DEFAULT, "%d) %s", i, _fios_items[i].title);
 	}
 
-	FiosFreeSavegameList();
+	_fios_items.Clear();
 	return true;
 }
 
@@ -448,7 +448,7 @@ DEF_CONSOLE_CMD(ConChangeDirectory)
 		IConsolePrintF(CC_ERROR, "%s: No such file or directory.", file);
 	}
 
-	FiosFreeSavegameList();
+	_fios_items.Clear();
 	return true;
 }
 
@@ -463,7 +463,7 @@ DEF_CONSOLE_CMD(ConPrintWorkingDirectory
 
 	/* XXX - Workaround for broken file handling */
 	FiosGetSavegameList(SLD_LOAD_GAME);
-	FiosFreeSavegameList();
+	_fios_items.Clear();
 
 	FiosGetDescText(&path, NULL);
 	IConsolePrint(CC_DEFAULT, path);
diff --git a/src/core/smallvec_type.hpp b/src/core/smallvec_type.hpp
--- a/src/core/smallvec_type.hpp
+++ b/src/core/smallvec_type.hpp
@@ -256,6 +256,8 @@ public:
 
 	/**
 	 * Get the number of items in the list.
+	 *
+	 * @return The number of items in the list.
 	 */
 	inline uint Length() const
 	{
diff --git a/src/fios.cpp b/src/fios.cpp
--- a/src/fios.cpp
+++ b/src/fios.cpp
@@ -29,7 +29,7 @@
 #include "safeguards.h"
 
 /* Variables to display file lists */
-SmallVector<FiosItem, 32> _fios_items;
+FileList _fios_items;
 static char *_fios_path;
 static const char *_fios_path_last;
 SortingBits _savegame_sort_order = SORT_BY_DATE | SORT_DESCENDING;
@@ -64,11 +64,9 @@ int CDECL CompareFiosItems(const FiosIte
 	return r;
 }
 
-/** Free the list of savegames. */
-void FiosFreeSavegameList()
+FileList::~FileList()
 {
-	_fios_items.Clear();
-	_fios_items.Compact();
+	this->Clear();
 }
 
 /**
@@ -336,7 +334,7 @@ static void FiosGetFileList(SaveLoadDial
 	{
 		SortingBits order = _savegame_sort_order;
 		_savegame_sort_order = SORT_BY_NAME | SORT_ASCENDING;
-		QSortT(_fios_items.Begin(), _fios_items.Length(), CompareFiosItems);
+		QSortT(_fios_items.files.Begin(), _fios_items.files.Length(), CompareFiosItems);
 		_savegame_sort_order = order;
 	}
 
diff --git a/src/fios.h b/src/fios.h
--- a/src/fios.h
+++ b/src/fios.h
@@ -115,6 +115,94 @@ struct FiosItem {
 	char name[MAX_PATH];
 };
 
+/** List of file information. */
+class FileList {
+public:
+	~FileList();
+
+	/**
+	 * Construct a new entry in the file list.
+	 * @return Pointer to the new items to be initialized.
+	 */
+	inline FiosItem *Append()
+	{
+		return this->files.Append();
+	}
+
+	/**
+	 * Get the number of files in the list.
+	 * @return The number of files stored in the list.
+	 */
+	inline uint Length() const
+	{
+		return this->files.Length();
+	}
+
+	/**
+	 * Get a pointer to the first file information.
+	 * @return Address of the first file information.
+	 */
+	inline const FiosItem *Begin() const
+	{
+		return this->files.Begin();
+	}
+
+	/**
+	 * Get a pointer behind the last file information.
+	 * @return Address behind the last file information.
+	 */
+	inline const FiosItem *End() const
+	{
+		return this->files.End();
+	}
+
+	/**
+	 * Get a pointer to the indicated file information. File information must exist.
+	 * @return Address of the indicated existing file information.
+	 */
+	inline const FiosItem *Get(uint index) const
+	{
+		return this->files.Get(index);
+	}
+
+	/**
+	 * Get a pointer to the indicated file information. File information must exist.
+	 * @return Address of the indicated existing file information.
+	 */
+	inline FiosItem *Get(uint index)
+	{
+		return this->files.Get(index);
+	}
+
+	inline const FiosItem &operator[](uint index) const
+	{
+		return this->files[index];
+	}
+
+	/**
+	 * Get a reference to the indicated file information. File information must exist.
+	 * @return The requested file information.
+	 */
+	inline FiosItem &operator[](uint index)
+	{
+		return this->files[index];
+	}
+
+	/** Remove all items from the list. */
+	inline void Clear()
+	{
+		this->files.Clear();
+	}
+
+	/** Compact the list down to the smallest block size boundary. */
+	inline void Compact()
+	{
+		this->files.Compact();
+	}
+
+	SmallVector<FiosItem, 32> files; ///< The list of files.
+};
+
 enum SortingBits {
 	SORT_ASCENDING  = 0,
 	SORT_DESCENDING = 1,
@@ -124,7 +212,7 @@ enum SortingBits {
 DECLARE_ENUM_AS_BIT_SET(SortingBits)
 
 /* Variables to display file lists */
-extern SmallVector<FiosItem, 32> _fios_items;
+extern FileList _fios_items;
 extern SaveLoadDialogMode _saveload_mode;
 extern SortingBits _savegame_sort_order;
 
@@ -134,7 +222,6 @@ void FiosGetSavegameList(SaveLoadDialogM
 void FiosGetScenarioList(SaveLoadDialogMode mode);
 void FiosGetHeightmapList(SaveLoadDialogMode mode);
 
-void FiosFreeSavegameList();
 const char *FiosBrowseTo(const FiosItem *item);
 
 StringID FiosGetDescText(const char **path, uint64 *total_free);
diff --git a/src/fios_gui.cpp b/src/fios_gui.cpp
--- a/src/fios_gui.cpp
+++ b/src/fios_gui.cpp
@@ -196,7 +196,7 @@ const TextColour _fios_colours[] = {
 void BuildFileList(SaveLoadDialogMode mode)
 {
 	_fios_path_changed = true;
-	FiosFreeSavegameList();
+	_fios_items.Clear();
 
 	switch (mode) {
 		case SLD_LOAD_SCENARIO:
@@ -327,7 +327,7 @@ public:
 		if (!_networking && _game_mode != GM_EDITOR && _game_mode != GM_MENU) {
 			DoCommandP(0, PM_PAUSED_SAVELOAD, 0, CMD_PAUSE);
 		}
-		FiosFreeSavegameList();
+		_fios_items.Clear();
 	}
 
 	virtual void DrawWidget(const Rect &r, int widget) const