added multiple highlighter support

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.7)
 project(groove C CXX)
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 14)
 
 include_directories(src)
 

main.cpp

@@ -26,6 +26,7 @@
 #include <iostream>
 #include <ncurses/ncurses.hpp>
 #include <Editor.hpp>
+#include <Highlighter.hpp>
 
 int main(int argc, char* argv[]) {
 	std::unique_ptr<groove::Editor> editor;

src/Buffer.hpp

@@ -3,12 +3,15 @@
 #include <vector>
 #include <string>
 #include <memory>
+#include <stack>
 
 namespace groove {
 
 	class Buffer {
 	private:
 		std::vector<std::string> lines;
+		std::vector<std::string> reverted;
+		std::stack<std::vector<std::string>> history;
 		void removeTabs(std::string& line) {
 			ulong tab = line.find("\t");
 			if(tab != line.npos)
@@ -16,7 +19,7 @@ namespace groove {
 		}
 	public:
 		bool changed;
-		Buffer() : lines(std::vector<std::string>()), changed(false) {}
+		Buffer() : lines(std::vector<std::string>()), reverted(std::vector<std::string>()), changed(false) {}
 		std::vector<std::string>& linebuffer() {
 			return this->lines;
 		}
@@ -56,6 +59,16 @@ namespace groove {
 			return this->lines.at(line);
 		}
 
+		void swap(std::vector<std::string> buffer) {
+			this->history.push(this->lines);
+			this->lines    = buffer;
+		}
+
+		void revert() {
+			this->lines = this->history.top();
+			this->history.pop();
+		}
+
 		unsigned long size() {
 			return this->lines.size();
 		}

src/Editor.cpp

@@ -9,6 +9,18 @@ namespace groove {
 	 		buffer(std::make_unique<Buffer>()), mode_(Mode::EDIT),
 			filename(filename), offset(0), voffset(0),
 			history(History()), inComment(false) {
+
+		std::string ending;
+		if (filename.find_last_of('.') != std::string::npos)
+			ending = std::string(filename.begin() + filename.find_last_of('.'), filename.end());
+		else
+			ending = "";
+
+		if (ending == ".cpp" || ending == ".hpp" || ending == ".h" || ending == ".c")
+			groove::Highlighter::list = groove::Highlighter::Syntaxes.at(groove::Syntax::CPP);
+		else
+			groove::Highlighter::list = groove::Highlighter::Syntaxes.at(groove::Syntax::DEFAULT);
+
 		this->modes.emplace(Mode::INSERT, std::make_unique<modes::Insert>(*this));
 		this->modes.emplace(Mode::EDIT, std::make_unique<modes::Edit>(*this));
 		this->modes.emplace(Mode::QUIT, std::make_unique<modes::Quit>(*this));

src/Highlighter.cpp

@@ -3,20 +3,32 @@
 #include <iostream>
 
 namespace groove {
-
-	std::vector<std::pair<std::regex, ncurses::Colors>> Highlighter::list = {
-			make_pair("([+-.<>,;=!:&*])", ncurses::Colors::CYAN),
-			make_pair("([\\{\\}\\[\\]\\(\\)])", ncurses::Colors::GREEN),
-			make_pair("(^|\\s)(while|if|try|catch|void|this|else|using|namespace|private|public|protected|friend|class|char|bool|unsigned|long|short|int|return)\\s+\\*?", ncurses::Colors::MAGENTA),
-			make_pair("([a-zA-Z_][a-zA-Z_0-9]+)::", ncurses::Colors::GREEN),
-			make_pair("::([a-zA-Z_][a-zA-Z_0-9]+)", ncurses::Colors::CYAN),
-			make_pair("\\.([a-zA-Z_][a-zA-Z_0-9]+)", ncurses::Colors::CYAN),
-			make_pair("([_a-zA-Z][a-zA-Z0-9_-]+)\\(", ncurses::Colors::CYAN),
-			make_pair("\\\".*\\\"", ncurses::Colors::ORANGE),
-			make_pair("/\\*.*\\*//*", ncurses::Colors::COMMENTS),
-			make_pair("(//.*)", ncurses::Colors::ORANGE)
+	std::unordered_map<Syntax, RulesList> Highlighter::Syntaxes = {
+			std::make_pair(Syntax::CPP,
+						   RulesList {
+								   make_pair("([+-.<>,;=!:&*])", ncurses::Colors::CYAN),
+								   make_pair("([\\{\\}\\[\\]\\(\\)])", ncurses::Colors::GREEN),
+								   make_pair("(^|\\s)(while|if|try|catch|void|this|else|using|namespace|private|public|protected|friend|class|char|bool|unsigned|long|short|int|return):?(\\s+|$)\\*?", ncurses::Colors::MAGENTA),
+								   make_pair("([a-zA-Z_][a-zA-Z_0-9]+)::", ncurses::Colors::GREEN),
+								   make_pair("::([a-zA-Z_][a-zA-Z_0-9]+)", ncurses::Colors::CYAN),
+								   make_pair("\\.([a-zA-Z_][a-zA-Z_0-9]+)", ncurses::Colors::CYAN),
+								   make_pair("([_a-zA-Z][a-zA-Z0-9_-]+)\\(", ncurses::Colors::CYAN),
+								   make_pair("\\\".*\\\"", ncurses::Colors::ORANGE),
+								   make_pair("/\\*.*\\*//*", ncurses::Colors::COMMENTS),
+								   make_pair("(//.*)", ncurses::Colors::ORANGE)
+						   }),
+			std::make_pair(Syntax::DEFAULT,
+						   RulesList {
+								   make_pair("([.,;!\\*])", ncurses::Colors::MAGENTA),
+								   make_pair("([\\{\\}\\[\\]\\(\\)])", ncurses::Colors::GREEN),
+								   make_pair("\\\".*\\\"", ncurses::Colors::ORANGE),
+								   make_pair("/\\*.*\\*//*", ncurses::Colors::COMMENTS),
+						   })
 	};
 
+
+	RulesList Highlighter::list = RulesList();
+
 	std::unordered_map<long, std::pair<long, ncurses::Colors>> groove::Highlighter::get() {
 		std::unordered_map<long, std::pair<long, ncurses::Colors>> list;
 
@@ -26,7 +38,7 @@ namespace groove {
 			return list;
 		}
 
-		for (auto& keyword : Highlighter::list) {
+		for (auto &keyword : Highlighter::list) {
 			try {
 				std::sregex_iterator next(this->line.begin(), this->line.end(), keyword.first);
 				std::sregex_iterator end;
@@ -37,7 +49,7 @@ namespace groove {
 					}
 					next++;
 				}
-			} catch (std::regex_error& e) {
+			} catch (std::regex_error &e) {
 				// Syntax error in the regular expression
 			}
 		}
@@ -47,3 +59,5 @@ namespace groove {
 	}
 
 }
+
+

src/Highlighter.hpp

@@ -8,15 +8,23 @@
 
 namespace groove {
 
+	typedef std::vector<std::pair<std::regex, ncurses::Colors>> RulesList;
+
 	inline std::pair<std::regex, ncurses::Colors> make_pair(std::string regex, ncurses::Colors color) {
 		return std::make_pair(std::regex(regex), color);
 	};
 
+	enum class Syntax {
+		DEFAULT,
+		CPP
+	};
+
 	class Highlighter {
 	private:
 		std::string line;
-		static std::vector<std::pair<std::regex, ncurses::Colors>> list;
 	public:
+		static std::unordered_map<Syntax, RulesList> Syntaxes;
+		static RulesList list;
 		Highlighter(std::string line) : line(line) {}
 		std::unordered_map<long, std::pair<long, ncurses::Colors>> get();
 	};

src/History.cpp

@@ -1,5 +0,0 @@
-//
-// Created by miko on 06.03.17.
-//
-
-#include "History.hpp"

src/History.hpp

@@ -6,9 +6,11 @@
 
 namespace groove {
 
+	typedef std::function<void()> lambda;
+
 	struct HistoryNode {
-		std::function<void()> undo, redo;
-		HistoryNode(std::function<void()> undo, std::function<void()> redo) :
+		lambda undo, redo;
+		HistoryNode(lambda undo, lambda redo) :
 				undo(std::move(undo)), redo(std::move(redo)) {}
 	};
 

src/modes/Edit.cpp

@@ -14,7 +14,17 @@ namespace groove {
 					this->editor.input(' ');
 					break;
 				case 'i':
-					this->editor.mode_ = groove::Mode::INSERT;
+					{
+						std::vector<std::string>& oldBuffer = this->editor.buffer->linebuffer();
+						this->editor.history.push(HistoryNode(
+								[this, oldBuffer](){
+									this->editor.buffer->swap(oldBuffer);
+								}, [this](){
+									this->editor.buffer->revert();
+								})
+						);
+						this->editor.mode_ = groove::Mode::INSERT;
+					}
 					break;
 				case 'a':
 					this->editor.x = static_cast<int>(this->editor.buffer->at(this->editor.y).length());