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https://github.com/Fennix-Project/Kernel.git
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Refactor kernel shell code
This commit is contained in:
parent
ae67df10ff
commit
e75dbfc8ce
130
kshell/shell.cpp
130
kshell/shell.cpp
@ -90,12 +90,12 @@ void StartKernelShell()
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KPrint("Starting kernel shell...");
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thisThread->SetPriority(Tasking::TaskPriority::High);
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std::string Buffer;
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std::vector<std::string *> History;
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size_t HistoryIndex = 0;
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bool CtrlDown = false;
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bool UpperCase = false;
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bool TabDoublePress = false;
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std::string strBuf;
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std::vector<std::string *> history;
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size_t hIdx = 0;
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bool ctrlDown = false;
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bool upperCase = false;
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bool tabDblPress = false;
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int kfd = fopen("/dev/key", "r");
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if (kfd < 0)
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@ -108,8 +108,8 @@ void StartKernelShell()
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printf("Using \eCA21F6/dev/key\eCCCCCC for keyboard input.\n");
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while (true)
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{
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size_t BackspaceCount = 0;
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Buffer.clear();
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size_t bsCount = 0;
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strBuf.clear();
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vfs::Node *cwd = thisProcess->CurrentWorkingDirectory;
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if (!cwd)
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@ -146,18 +146,18 @@ void StartKernelShell()
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case KEY_RIGHT_CTRL:
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{
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if (sc & KEY_PRESSED)
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CtrlDown = true;
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ctrlDown = true;
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else
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CtrlDown = false;
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ctrlDown = false;
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continue;
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}
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case KEY_LEFT_SHIFT:
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case KEY_RIGHT_SHIFT:
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{
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if (sc & KEY_PRESSED)
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UpperCase = true;
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upperCase = true;
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else
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UpperCase = false;
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upperCase = false;
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continue;
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}
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case KEY_BACKSPACE:
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@ -165,12 +165,12 @@ void StartKernelShell()
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if (!(sc & KEY_PRESSED))
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continue;
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if (BackspaceCount == 0)
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if (bsCount == 0)
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continue;
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Display->Print('\b');
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Buffer.pop_back();
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BackspaceCount--;
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strBuf.pop_back();
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bsCount--;
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Display->UpdateBuffer();
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continue;
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}
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@ -179,21 +179,21 @@ void StartKernelShell()
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if (!(sc & KEY_PRESSED))
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continue;
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if (History.size() == 0 ||
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HistoryIndex == 0)
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if (history.size() == 0 ||
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hIdx == 0)
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continue;
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HistoryIndex--;
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hIdx--;
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for (size_t i = 0; i < Buffer.size(); i++)
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for (size_t i = 0; i < strBuf.size(); i++)
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Display->Print('\b');
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Display->UpdateBuffer();
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Buffer = History[HistoryIndex]->c_str();
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strBuf = history[hIdx]->c_str();
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for (size_t i = 0; i < strlen(Buffer.c_str()); i++)
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Display->Print(Buffer[i]);
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BackspaceCount = Buffer.size();
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for (size_t i = 0; i < strlen(strBuf.c_str()); i++)
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Display->Print(strBuf[i]);
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bsCount = strBuf.size();
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Display->UpdateBuffer();
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continue;
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}
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@ -202,31 +202,31 @@ void StartKernelShell()
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if (!(sc & KEY_PRESSED))
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continue;
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if (History.size() == 0 ||
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HistoryIndex == History.size())
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if (history.size() == 0 ||
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hIdx == history.size())
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continue;
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if (HistoryIndex == History.size() - 1)
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if (hIdx == history.size() - 1)
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{
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HistoryIndex++;
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for (size_t i = 0; i < Buffer.size(); i++)
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hIdx++;
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for (size_t i = 0; i < strBuf.size(); i++)
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Display->Print('\b');
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BackspaceCount = Buffer.size();
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bsCount = strBuf.size();
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Display->UpdateBuffer();
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continue;
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}
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for (size_t i = 0; i < Buffer.size(); i++)
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for (size_t i = 0; i < strBuf.size(); i++)
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Display->Print('\b');
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Display->UpdateBuffer();
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HistoryIndex++;
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Buffer = History[HistoryIndex]->c_str();
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hIdx++;
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strBuf = history[hIdx]->c_str();
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for (size_t i = 0; i < strlen(Buffer.c_str()); i++)
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Display->Print(Buffer[i]);
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for (size_t i = 0; i < strlen(strBuf.c_str()); i++)
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Display->Print(strBuf[i]);
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BackspaceCount = Buffer.size();
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bsCount = strBuf.size();
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Display->UpdateBuffer();
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continue;
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}
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@ -235,13 +235,13 @@ void StartKernelShell()
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if (!(sc & KEY_PRESSED))
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continue;
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if (!TabDoublePress)
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if (!tabDblPress)
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{
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TabDoublePress = true;
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tabDblPress = true;
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continue;
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}
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TabDoublePress = false;
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if (Buffer.size() == 0)
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tabDblPress = false;
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if (strBuf.size() == 0)
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{
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for (size_t i = 0; i < sizeof(commands) / sizeof(commands[0]); i++)
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printf("%s ", commands[i].Name);
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@ -251,18 +251,18 @@ void StartKernelShell()
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goto SecLoopEnd;
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}
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for (size_t i = 0; i < Buffer.size(); i++)
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for (size_t i = 0; i < strBuf.size(); i++)
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Display->Print('\b');
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Display->UpdateBuffer();
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for (size_t i = 0; i < sizeof(commands) / sizeof(commands[0]); i++)
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{
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if (strncmp(Buffer.c_str(), commands[i].Name, Buffer.size()) == 0)
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if (strncmp(strBuf.c_str(), commands[i].Name, strBuf.size()) == 0)
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{
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Buffer = commands[i].Name;
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for (size_t i = 0; i < strlen(Buffer.c_str()); i++)
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Display->Print(Buffer[i]);
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BackspaceCount = Buffer.size();
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strBuf = commands[i].Name;
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for (size_t i = 0; i < strlen(strBuf.c_str()); i++)
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Display->Print(strBuf[i]);
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bsCount = strBuf.size();
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Display->UpdateBuffer();
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break;
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}
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@ -279,9 +279,9 @@ void StartKernelShell()
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if (!Driver::IsValidChar(sc))
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continue;
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char c = Driver::GetScanCode(sc, UpperCase);
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char c = Driver::GetScanCode(sc, upperCase);
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if (CtrlDown)
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if (ctrlDown)
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{
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switch (std::toupper((char)c))
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{
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@ -311,33 +311,33 @@ void StartKernelShell()
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Display->Print(c);
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if (c == '\n')
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{
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if (Buffer.length() > 0)
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if (strBuf.length() > 0)
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{
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std::string *hBuff = new std::string(Buffer.c_str());
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History.push_back(hBuff);
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HistoryIndex = History.size();
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std::string *hBuff = new std::string(strBuf.c_str());
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history.push_back(hBuff);
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hIdx = history.size();
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}
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break;
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}
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Buffer += c;
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BackspaceCount++;
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strBuf += c;
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bsCount++;
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Display->UpdateBuffer();
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}
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SecLoopEnd:
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if (Buffer.length() == 0)
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if (strBuf.length() == 0)
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continue;
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bool Found = false;
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for (size_t i = 0; i < sizeof(commands) / sizeof(Command); i++)
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{
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std::string cmd_extracted;
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for (size_t i = 0; i < Buffer.length(); i++)
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for (size_t i = 0; i < strBuf.length(); i++)
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{
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if (Buffer[i] == ' ')
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if (strBuf[i] == ' ')
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break;
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cmd_extracted += Buffer[i];
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cmd_extracted += strBuf[i];
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}
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// debug("cmd: %s, array[%d]: %s", cmd_extracted.c_str(), i, commands[i].Name);
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@ -350,19 +350,19 @@ void StartKernelShell()
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std::string arg_only;
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const char *cmd_name = commands[i].Name;
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for (size_t i = strlen(cmd_name) + 1; i < Buffer.length(); i++)
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arg_only += Buffer[i];
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for (size_t i = strlen(cmd_name) + 1; i < strBuf.length(); i++)
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arg_only += strBuf[i];
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if (commands[i].Function)
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commands[i].Function(arg_only.c_str());
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else
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{
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std::string cmd_only;
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for (size_t i = 0; i < Buffer.length(); i++)
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for (size_t i = 0; i < strBuf.length(); i++)
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{
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if (Buffer[i] == ' ')
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if (strBuf[i] == ' ')
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break;
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cmd_only += Buffer[i];
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cmd_only += strBuf[i];
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}
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printf("%s: command not implemented\n",
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cmd_only.c_str());
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@ -374,11 +374,11 @@ void StartKernelShell()
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if (!Found)
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{
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std::string cmd_only;
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for (size_t i = 0; i < Buffer.length(); i++)
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for (size_t i = 0; i < strBuf.length(); i++)
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{
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if (Buffer[i] == ' ')
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if (strBuf[i] == ' ')
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break;
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cmd_only += Buffer[i];
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cmd_only += strBuf[i];
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}
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printf("%s: command not found\n",
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cmd_only.c_str());
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