write shit

2023-02-13 10:57:10 +08:00
parent 1fb1b81253
commit 21948246d0
7 changed files with 256 additions and 52 deletions
--- a/Unvirt/CmdHelper.hpp
+++ b/Unvirt/CmdHelper.hpp
@ -0,0 +1,146 @@
+#pragma once
+
+#include <unordered_map>
+#include <string>
+#include <functional>
+#include <vector>
+
+namespace Unvirt {
+	namespace CmdHelper {
+
+		class CmdSplitter {
+		public:
+			CmdSplitter();
+			CmdSplitter(const CmdSplitter&) = delete;
+			CmdSplitter& operator=(const CmdSplitter&) = delete;
+			~CmdSplitter();
+
+			std::vector<std::string> Convert(std::string& u8cmd);
+		private:
+			char mCmdChar;
+			std::string* mBuffer;
+			std::vector<std::string>* mResult;
+
+			enum class StateType : int {
+				SPACE,
+				SINGLE,
+				DOUBLE,
+				ESCAPE,
+				NORMAL
+			};
+			StateType mState, mPreState;
+
+			inline void ProcSpace(void) {
+				switch (mCmdChar) {
+					case '\'':
+						mState = StateType::SINGLE;
+						break;
+					case '"':
+						mState = StateType::DOUBLE;
+						break;
+					case '\\':
+						mState = StateType::ESCAPE;
+						mPreState = StateType::NORMAL;
+						break;
+					case ' ':
+						break;	// skip blank
+					default:
+						mBuffer->push_back(mCmdChar);
+						mState = StateType::NORMAL;
+						break;
+				}
+			}
+			inline void ProcSingle(void) {
+				switch (mCmdChar) {
+					case '\'':
+						mState = StateType::NORMAL;
+						break;
+					case '"':
+						mBuffer->push_back('"');
+						break;
+					case '\\':
+						mState = StateType::ESCAPE;
+						mPreState = StateType::SINGLE;
+						break;
+					case ' ':
+						mBuffer->push_back(' ');
+						break;
+					default:
+						mBuffer->push_back(mCmdChar);
+						break;
+				}
+			}
+			inline void ProcDouble(void) {
+				switch (mCmdChar) {
+					case '\'':
+						mBuffer->push_back('\'');
+						break;
+					case '"':
+						mState = StateType::NORMAL;
+						break;
+					case '\\':
+						mState = StateType::ESCAPE;
+						mPreState = StateType::DOUBLE;
+						break;
+					case ' ':
+						mBuffer->push_back(' ');
+						break;
+					default:
+						mBuffer->push_back(mCmdChar);
+						break;
+				}
+			}
+			inline void ProcEscape(void) {
+				// add itself
+				mBuffer->push_back(mCmdChar);
+				// restore state
+				mState = mPreState;
+			}
+			inline void ProcNormal(void) {
+				switch (mCmdChar) {
+					case '\'':
+						mBuffer->push_back('\'');
+						break;
+					case '"':
+						mBuffer->push_back('"');
+						break;
+					case '\\':
+						mState = StateType::ESCAPE;
+						mPreState = StateType::NORMAL;
+						break;
+					case ' ':
+						mResult->push_back(*mBuffer);
+						mBuffer->clear();
+						mState = StateType::SPACE;
+						break;
+					default:
+						mBuffer->push_back(mCmdChar);
+						break;
+				}
+			}
+		};
+
+		class SubCmd {
+		public:
+			SubCmd();
+			~SubCmd();
+
+		private:
+
+		};
+
+		class InteractiveCmd {
+		public:
+			InteractiveCmd();
+			~InteractiveCmd();
+
+			void Run(void);
+
+		private:
+			//std::unordered_map<std::string, CmdRegisteryEntry> mCmdDispatcher;
+
+
+		};
+
+	}
+}