Cleanup: Remove old FiosList helper methods. (#9139)

5 files changed, 30 insertions, 117 deletions

diff --git a/src/console_cmds.cpp b/src/console_cmds.cpp
index 9dce39909..401a52b1f 100644
--- a/src/console_cmds.cpp
+++ b/src/console_cmds.cpp
@@ -59,7 +59,7 @@ public:
 	/** Declare the file storage cache as being invalid, also clears all stored files. */
 	void InvalidateFileList()
 	{
-		this->Clear();
+		this->clear();
 		this->file_list_valid = false;
 	}
 
@@ -403,7 +403,7 @@ DEF_CONSOLE_CMD(ConListFiles)
 	}
 
 	_console_file_list.ValidateFileList(true);
-	for (uint i = 0; i < _console_file_list.Length(); i++) {
+	for (uint i = 0; i < _console_file_list.size(); i++) {
 		IConsolePrintF(CC_DEFAULT, "%d) %s", i, _console_file_list[i].title);
 	}
 
diff --git a/src/fios.cpp b/src/fios.cpp
index b68da08f8..8528e8c62 100644
--- a/src/fios.cpp
+++ b/src/fios.cpp
@@ -63,11 +63,6 @@ bool FiosItem::operator< (const FiosItem &other) const
 	return (_savegame_sort_order & SORT_DESCENDING) ? r > 0 : r < 0;
 }
 
-FileList::~FileList()
-{
-	this->Clear();
-}
-
 /**
  * Construct a file list with the given kind of files, for the stated purpose.
  * @param abstract_filetype Kind of files to collect.
@@ -75,7 +70,7 @@ FileList::~FileList()
  */
 void FileList::BuildFileList(AbstractFileType abstract_filetype, SaveLoadOperation fop)
 {
-	this->Clear();
+	this->clear();
 
 	assert(fop == SLO_LOAD || fop == SLO_SAVE);
 	switch (abstract_filetype) {
@@ -107,7 +102,8 @@ void FileList::BuildFileList(AbstractFileType abstract_filetype, SaveLoadOperati
  */
 const FiosItem *FileList::FindItem(const char *file)
 {
-	for (const FiosItem *item = this->Begin(); item != this->End(); item++) {
+	for (const auto &it : *this) {
+		const FiosItem *item = &it;
 		if (strcmp(file, item->name) == 0) return item;
 		if (strcmp(file, item->title) == 0) return item;
 	}
@@ -117,13 +113,14 @@ const FiosItem *FileList::FindItem(const char *file)
 	int i = strtol(file, &endptr, 10);
 	if (file == endptr || *endptr != '\0') i = -1;
 
-	if (IsInsideMM(i, 0, this->Length())) return this->Get(i);
+	if (IsInsideMM(i, 0, this->size())) return &this->at(i);
 
 	/* As a last effort assume it is an OpenTTD savegame and
 	 * that the ".sav" part was not given. */
 	char long_file[MAX_PATH];
 	seprintf(long_file, lastof(long_file), "%s.sav", file);
-	for (const FiosItem *item = this->Begin(); item != this->End(); item++) {
+	for (const auto &it : *this) {
+		const FiosItem *item = &it;
 		if (strcmp(long_file, item->name) == 0) return item;
 		if (strcmp(long_file, item->title) == 0) return item;
 	}
@@ -302,11 +299,11 @@ bool FiosFileScanner::AddFile(const std::string &filename, size_t basepath_lengt
 	FiosType type = this->callback_proc(this->fop, filename, ext.c_str(), fios_title, lastof(fios_title));
 	if (type == FIOS_TYPE_INVALID) return false;
 
-	for (const FiosItem *fios = file_list.Begin(); fios != file_list.End(); fios++) {
-		if (filename == fios->name) return false;
+	for (const auto &fios : file_list) {
+		if (filename == fios.name) return false;
 	}
 
-	FiosItem *fios = file_list.Append();
+	FiosItem *fios = &file_list.emplace_back();
 #ifdef _WIN32
 	// Retrieve the file modified date using GetFileTime rather than stat to work around an obscure MSVC bug that affects Windows XP
 	HANDLE fh = CreateFile(OTTD2FS(filename).c_str(), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, nullptr, OPEN_EXISTING, 0, nullptr);
@@ -367,13 +364,13 @@ static void FiosGetFileList(SaveLoadOperation fop, fios_getlist_callback_proc *c
 	size_t sort_start;
 	char d_name[sizeof(fios->name)];
 
-	file_list.Clear();
+	file_list.clear();
 
 	assert(_fios_path != nullptr);
 
 	/* A parent directory link exists if we are not in the root directory */
 	if (!FiosIsRoot(_fios_path->c_str())) {
-		fios = file_list.Append();
+		fios = &file_list.emplace_back();
 		fios->type = FIOS_TYPE_PARENT;
 		fios->mtime = 0;
 		strecpy(fios->name, "..", lastof(fios->name));
@@ -390,7 +387,7 @@ static void FiosGetFileList(SaveLoadOperation fop, fios_getlist_callback_proc *c
 			if (FiosIsValidFile(_fios_path->c_str(), dirent, &sb) && S_ISDIR(sb.st_mode) &&
 					(!FiosIsHiddenFile(dirent) || strncasecmp(d_name, PERSONAL_DIR, strlen(d_name)) == 0) &&
 					strcmp(d_name, ".") != 0 && strcmp(d_name, "..") != 0) {
-				fios = file_list.Append();
+				fios = &file_list.emplace_back();
 				fios->type = FIOS_TYPE_DIR;
 				fios->mtime = 0;
 				strecpy(fios->name, d_name, lastof(fios->name));
@@ -407,12 +404,12 @@ static void FiosGetFileList(SaveLoadOperation fop, fios_getlist_callback_proc *c
 	{
 		SortingBits order = _savegame_sort_order;
 		_savegame_sort_order = SORT_BY_NAME | SORT_ASCENDING;
-		std::sort(file_list.files.begin(), file_list.files.end());
+		std::sort(file_list.begin(), file_list.end());
 		_savegame_sort_order = order;
 	}
 
 	/* This is where to start sorting for the filenames */
-	sort_start = file_list.Length();
+	sort_start = file_list.size();
 
 	/* Show files */
 	FiosFileScanner scanner(fop, callback_proc, file_list);
@@ -422,12 +419,12 @@ static void FiosGetFileList(SaveLoadOperation fop, fios_getlist_callback_proc *c
 		scanner.Scan(nullptr, subdir, true, true);
 	}
 
-	std::sort(file_list.files.begin() + sort_start, file_list.files.end());
+	std::sort(file_list.begin() + sort_start, file_list.end());
 
 	/* Show drives */
 	FiosGetDrives(file_list);
 
-	file_list.Compact();
+	file_list.shrink_to_fit();
 }
 
 /**
diff --git a/src/fios.h b/src/fios.h
index 3a16b6426..28a1cc6aa 100644
--- a/src/fios.h
+++ b/src/fios.h
@@ -109,94 +109,10 @@ struct FiosItem {
 };
 
 /** List of file information. */
-class FileList {
+class FileList : public std::vector<FiosItem> {
 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.emplace_back();
-	}
-
-	/**
-	 * Get the number of files in the list.
-	 * @return The number of files stored in the list.
-	 */
-	inline size_t Length() const
-	{
-		return this->files.size();
-	}
-
-	/**
-	 * Get a pointer to the first file information.
-	 * @return Address of the first file information.
-	 */
-	inline const FiosItem *Begin() const
-	{
-		return this->files.data();
-	}
-
-	/**
-	 * Get a pointer behind the last file information.
-	 * @return Address behind the last file information.
-	 */
-	inline const FiosItem *End() const
-	{
-		return this->Begin() + this->Length();
-	}
-
-	/**
-	 * Get a pointer to the indicated file information. File information must exist.
-	 * @return Address of the indicated existing file information.
-	 */
-	inline const FiosItem *Get(size_t index) const
-	{
-		return this->files.data() + index;
-	}
-
-	/**
-	 * Get a pointer to the indicated file information. File information must exist.
-	 * @return Address of the indicated existing file information.
-	 */
-	inline FiosItem *Get(size_t index)
-	{
-		return this->files.data() + index;
-	}
-
-	inline const FiosItem &operator[](size_t 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[](size_t 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.shrink_to_fit();
-	}
-
 	void BuildFileList(AbstractFileType abstract_filetype, SaveLoadOperation fop);
 	const FiosItem *FindItem(const char *file);
-
-	std::vector<FiosItem> files; ///< The list of files.
 };
 
 enum SortingBits {
diff --git a/src/fios_gui.cpp b/src/fios_gui.cpp
index e1133dd3c..8de6235d6 100644
--- a/src/fios_gui.cpp
+++ b/src/fios_gui.cpp
@@ -249,8 +249,8 @@ static void SortSaveGameList(FileList &file_list)
 	 * Drives (A:\ (windows only) are always under the files (FIOS_TYPE_DRIVE)
 	 * Only sort savegames/scenarios, not directories
 	 */
-	for (const FiosItem *item = file_list.Begin(); item != file_list.End(); item++) {
-		switch (item->type) {
+	for (const auto &item : file_list) {
+		switch (item.type) {
 			case FIOS_TYPE_DIR:    sort_start++; break;
 			case FIOS_TYPE_PARENT: sort_start++; break;
 			case FIOS_TYPE_DRIVE:  sort_end++;   break;
@@ -258,7 +258,7 @@ static void SortSaveGameList(FileList &file_list)
 		}
 	}
 
-	std::sort(file_list.files.begin() + sort_start, file_list.files.end() - sort_end);
+	std::sort(file_list.begin() + sort_start, file_list.end() - sort_end);
 }
 
 struct SaveLoadWindow : public Window {
@@ -437,14 +437,14 @@ public:
 
 				uint y = r.top + WD_FRAMERECT_TOP;
 				uint scroll_pos = this->vscroll->GetPosition();
-				for (uint row = 0; row < this->fios_items.Length(); row++) {
+				for (uint row = 0; row < this->fios_items.size(); row++) {
 					if (!this->fios_items_shown[row]) {
 						/* The current item is filtered out : we do not show it */
 						scroll_pos++;
 						continue;
 					}
 					if (row < scroll_pos) continue;
-					const FiosItem *item = this->fios_items.Get(row);
+					const FiosItem *item = &this->fios_items[row];
 
 					if (item == this->selected) {
 						GfxFillRect(r.left + 1, y, r.right, y + this->resize.step_height, PC_DARK_BLUE);
@@ -651,7 +651,7 @@ public:
 					if (!this->fios_items_shown[i]) y++;
 					i++;
 				}
-				const FiosItem *file = this->fios_items.Get(y);
+				const FiosItem *file = &this->fios_items[y];
 
 				const char *name = FiosBrowseTo(file);
 				if (name == nullptr) {
@@ -734,7 +734,7 @@ public:
 				if (!this->fios_items_shown[i]) y++;
 				i++;
 			}
-			const FiosItem *file = this->fios_items.Get(y);
+			const FiosItem *file = &this->fios_items[y];
 
 			if (file != this->highlighted) {
 				this->highlighted = file;
@@ -812,7 +812,7 @@ public:
 
 				_fios_path_changed = true;
 				this->fios_items.BuildFileList(this->abstract_filetype, this->fop);
-				this->vscroll->SetCount((uint)this->fios_items.Length());
+				this->vscroll->SetCount((uint)this->fios_items.size());
 				this->selected = nullptr;
 				_load_check_data.Clear();
 
@@ -852,10 +852,10 @@ public:
 
 			case SLIWD_FILTER_CHANGES:
 				/* Filter changes */
-				this->fios_items_shown.resize(this->fios_items.Length());
+				this->fios_items_shown.resize(this->fios_items.size());
 				uint items_shown_count = 0; ///< The number of items shown in the list
 				/* We pass through every fios item */
-				for (uint i = 0; i < this->fios_items.Length(); i++) {
+				for (uint i = 0; i < this->fios_items.size(); i++) {
 					if (this->string_filter.IsEmpty()) {
 						/* We don't filter anything out if the filter editbox is empty */
 						this->fios_items_shown[i] = true;
diff --git a/src/os/windows/win32.cpp b/src/os/windows/win32.cpp
index ddcfd4866..eee81be40 100644
--- a/src/os/windows/win32.cpp
+++ b/src/os/windows/win32.cpp
@@ -209,7 +209,7 @@ void FiosGetDrives(FileList &file_list)
 
 	GetLogicalDriveStrings(lengthof(drives), drives);
 	for (s = drives; *s != '\0';) {
-		FiosItem *fios = file_list.Append();
+		FiosItem *fios = &file_list.emplace_back();
 		fios->type = FIOS_TYPE_DRIVE;
 		fios->mtime = 0;
 		seprintf(fios->name, lastof(fios->name),  "%c:", s[0] & 0xFF);