Use auto more places

aegisub/src/audio_marker.cpp

@@ -78,9 +78,8 @@ void AudioMarkerProviderKeyframes::Update() {
 
 void AudioMarkerProviderKeyframes::GetMarkers(TimeRange const& range, AudioMarkerVector &out) const {
 	// Find first and last keyframes inside the range
-	std::vector<AudioMarkerKeyframe>::const_iterator
-		a = lower_bound(markers.begin(), markers.end(), range.begin()),
-		b = upper_bound(markers.begin(), markers.end(), range.end());
+	auto a = lower_bound(markers.begin(), markers.end(), range.begin());
+	auto b = upper_bound(markers.begin(), markers.end(), range.end());
 
 	// Place pointers to the markers in the output vector
 	for (; a != b; ++a)

aegisub/src/command/time.cpp

@@ -224,7 +224,7 @@ struct time_snap_scene : public validate_video_loaded {
 		int prev = 0;
 		int next = 0;
 
-		const std::vector<int> &keyframes = con->GetKeyFrames();
+		auto const& keyframes = con->GetKeyFrames();
 		if (curFrame < keyframes.front())
 			next = keyframes.front();
 		else if (curFrame >= keyframes.back()) {
@@ -232,7 +232,7 @@ struct time_snap_scene : public validate_video_loaded {
 			next = con->GetLength();
 		}
 		else {
-			std::vector<int>::const_iterator kf = std::lower_bound(keyframes.begin(), keyframes.end(), curFrame);
+			auto kf = std::lower_bound(keyframes.begin(), keyframes.end(), curFrame);
 			if (*kf == curFrame) {
 				prev = *kf;
 				next = *(kf + 1);

aegisub/src/command/video.cpp

@@ -360,8 +360,8 @@ struct video_frame_next_keyframe : public validator_video_loaded {
 	STR_HELP("Seek to the next keyframe")
 
 	void operator()(agi::Context *c) {
-		std::vector<int> const& kf = c->videoController->GetKeyFrames();
-		std::vector<int>::const_iterator pos = lower_bound(kf.begin(), kf.end(), c->videoController->GetFrameN() + 1);
+		auto const& kf = c->videoController->GetKeyFrames();
+		auto pos = lower_bound(kf.begin(), kf.end(), c->videoController->GetFrameN() + 1);
 
 		c->videoController->JumpToFrame(pos == kf.end() ? c->videoController->GetLength() - 1 : *pos);
 	}
@@ -431,14 +431,13 @@ struct video_frame_prev_keyframe : public validator_video_loaded {
 	STR_HELP("Seek to the previous keyframe")
 
 	void operator()(agi::Context *c) {
-		std::vector<int> const& kf = c->videoController->GetKeyFrames();
+		auto const& kf = c->videoController->GetKeyFrames();
 		if (kf.empty()) {
 			c->videoController->JumpToFrame(0);
 			return;
 		}
 
-		std::vector<int>::const_iterator pos =
-			lower_bound(kf.begin(), kf.end(), c->videoController->GetFrameN());
+		auto pos = lower_bound(kf.begin(), kf.end(), c->videoController->GetFrameN());
 
 		if (pos != kf.begin())
 			--pos;

aegisub/src/dialog_manager.h

@@ -102,8 +102,8 @@ public:
 	/// @return A pointer to a DialogType or nullptr if no dialog of the given type has been created
 	template<class DialogType>
 	DialogType *Get() const {
-		DialogMap::const_iterator it = created_dialogs.find(&typeid(DialogType));
-		return it != created_dialogs.end() ? static_cast<DialogType*>(it->second) : 0;
+		auto it = created_dialogs.find(&typeid(DialogType));
+		return it != created_dialogs.end() ? static_cast<DialogType*>(it->second) : nullptr;
 	}
 
 	~DialogManager() {

aegisub/src/dialog_shift_times.cpp

@@ -81,7 +81,7 @@ static wxString get_history_string(json::Object &obj) {
 		lines = wxString::Format(_("from %d onward"), (int)(int64_t)sel.front()["start"]);
 	else {
 		lines += _("sel ");
-		for (json::Array::const_iterator it = sel.begin(); it != sel.end(); ++it) {
+		for (auto it = sel.begin(); it != sel.end(); ++it) {
 			int beg = (int64_t)(*it)["start"];
 			int end = (int64_t)(*it)["end"];
 			if (beg == end)

aegisub/src/font_file_lister.cpp

@@ -110,7 +110,7 @@ void FontCollector::ProcessDialogueLine(const AssDialogue *line, int index) {
 			if (overriden)
 				used_styles[style].lines.insert(index);
 			std::set<wxUniChar>& chars = used_styles[style].chars;
-			for (wxString::const_iterator it = text.begin(); it != text.end(); ++it) {
+			for (auto it = text.begin(); it != text.end(); ++it) {
 				wxUniChar cur = *it;
 				if (cur == L'\\' && it + 1 != text.end()) {
 					wxUniChar next = *++it;

aegisub/src/menu.cpp

@@ -279,7 +279,7 @@ struct CommandMenuBar : public wxMenuBar {
 /// @param[out] value Output value to write to
 /// @return Was the requested index found
 bool read_entry(json::Object const& obj, const char *name, std::string *value) {
-	json::Object::const_iterator it = obj.find(name);
+	auto it = obj.find(name);
 	if (it == obj.end()) return false;
 	*value = static_cast<json::String const&>(it->second);
 	return true;
@@ -313,7 +313,7 @@ menu_map const& get_menus_root() {
 menu_items const& get_menu(std::string const& name) {
 	menu_map const& root = get_menus_root();
 
-	menu_map::const_iterator it = root.find(name);
+	auto it = root.find(name);
 	if (it == root.end()) throw menu::UnknownMenu("Menu named " + name + " not found");
 	return it->second;
 }

aegisub/src/spline.cpp

@@ -69,14 +69,14 @@ std::string Spline::EncodeToAss() const {
 	result.reserve(size() * 10);
 	char last = 0;
 
-	for (const_iterator cur = begin(); cur != end(); ++cur) {
-		switch (cur->type) {
+	for (auto const& pt : *this) {
+		switch (pt.type) {
 			case SplineCurve::POINT:
 				if (last != 'm') {
 					result += "m ";
 					last = 'm';
 				}
-				result += ToScript(cur->p1).DStr(' ');
+				result += ToScript(pt.p1).DStr(' ');
 				break;
 
 			case SplineCurve::LINE:
@@ -84,7 +84,7 @@ std::string Spline::EncodeToAss() const {
 					result += "l ";
 					last = 'l';
 				}
-				result += ToScript(cur->p2).DStr(' ');
+				result += ToScript(pt.p2).DStr(' ');
 				break;
 
 			case SplineCurve::BICUBIC:
@@ -92,9 +92,9 @@ std::string Spline::EncodeToAss() const {
 					result += "b ";
 					last = 'b';
 				}
-				result += ToScript(cur->p2).DStr(' ') + " ";
-				result += ToScript(cur->p3).DStr(' ') + " ";
-				result += ToScript(cur->p4).DStr(' ');
+				result += ToScript(pt.p2).DStr(' ') + " ";
+				result += ToScript(pt.p3).DStr(' ') + " ";
+				result += ToScript(pt.p4).DStr(' ');
 				break;
 
 			default: break;

aegisub/src/toolbar.cpp

@@ -101,7 +101,7 @@ namespace {
 		/// Populate the toolbar with buttons
 		void Populate() {
 			json::Object const& root = get_root();
-			json::Object::const_iterator root_it = root.find(name);
+			auto root_it = root.find(name);
 			if (root_it == root.end()) {
 				// Toolbar names are all hardcoded so this should never happen
 				throw agi::InternalError("Toolbar named " + name + " not found.", 0);

aegisub/src/video_slider.cpp

@@ -127,7 +127,7 @@ void VideoSlider::OnMouse(wxMouseEvent &event) {
 		// Shift click to snap to keyframe
 		if (event.ShiftDown() && keyframes.size()) {
 			int clickedFrame = GetValueAtX(x);
-			std::vector<int>::const_iterator pos = lower_bound(keyframes.begin(), keyframes.end(), clickedFrame);
+			auto pos = lower_bound(keyframes.begin(), keyframes.end(), clickedFrame);
 			if (pos == keyframes.end())
 				--pos;
 			else if (pos + 1 != keyframes.end() && clickedFrame - *pos > (*pos + 1) - clickedFrame)