93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
#include "terminal.h"
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#include <glacier/string/str_format.h>
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#include <glacier/string/str_split.h>
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#include <mammoth/file/file.h>
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#include <mammoth/proc/process.h>
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#include <mammoth/util/debug.h>
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#include <mammoth/util/init.h>
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void Terminal::HandleCharacter(char c) {
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console_.WriteChar(c);
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if (c == '\n') {
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glcr::String str = current_command_.ToString();
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ExecuteCommand(str);
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current_command_.Reset();
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} else if (c == '\b') {
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current_command_.DeleteLast();
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} else {
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current_command_.PushBack(c);
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}
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}
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void Terminal::ExecuteCommand(const glcr::String& command) {
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auto tokens = glcr::StrSplit(command, ' ');
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if (tokens.size() == 0) {
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console_.WriteChar('>');
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return;
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}
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glcr::StringView cmd = tokens[0];
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if (cmd == "help") {
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console_.WriteString("Available Commands: pwd cd ls\n");
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} else if (cmd == "pwd") {
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console_.WriteString(cwd_);
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console_.WriteChar('\n');
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} else if (cmd == "cd") {
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if (tokens.size() != 2) {
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console_.WriteString("Provide an absolute path.\n>");
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return;
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}
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auto files_or = mmth::ListDirectory(tokens[1]);
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if (files_or.ok()) {
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cwd_ = tokens[1];
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} else {
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console_.WriteString(glcr::StrFormat("Error: {}\n", files_or.error()));
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}
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} else if (cmd == "ls") {
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glcr::StringView directory;
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if (tokens.size() > 1) {
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directory = tokens[1];
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} else {
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directory = cwd_;
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}
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auto files_or = mmth::ListDirectory(directory);
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if (!files_or.ok()) {
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console_.WriteString(glcr::StrFormat("Error: {}\n", files_or.error()));
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} else {
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auto& files = files_or.value();
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for (uint64_t i = 0; i < files.size(); i++) {
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console_.WriteString(files[i]);
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console_.WriteChar('\n');
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}
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}
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} else if (cmd == "exec") {
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if (tokens.size() != 2) {
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console_.WriteString("Provide the name of an executable.\n>");
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return;
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}
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auto file = mmth::File::Open(tokens[1]);
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// TODO: Wait until the process exits.
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auto error_or_cap = mmth::SpawnProcessFromElfRegion(
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(uint64_t)file.raw_ptr(), gInitEndpointCap);
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if (!error_or_cap.ok()) {
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console_.WriteString(
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glcr::StrFormat("Error: {}\n", error_or_cap.error()));
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return;
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}
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uint64_t err_code;
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check(ZProcessWait(error_or_cap.value(), &err_code));
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if (err_code != 0) {
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console_.WriteString(glcr::StrFormat(
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"Process Error: {}\n", static_cast<glcr::ErrorCode>(err_code)));
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}
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} else {
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console_.WriteString("Unknown command: ");
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console_.WriteString(command);
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console_.WriteChar('\n');
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}
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console_.WriteChar('>');
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}
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