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7fbdf384de
We can use the result of the first lookup to avoid doing another redundant lookup to perform the erasure. While we're at it, we can use std::string's std::string_view constructor in order to avoid an unnecessary strlen() call.
442 lines
15 KiB
C++
442 lines
15 KiB
C++
#include <hecl/Console.hpp>
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#include <cstdio>
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#include <functional>
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#include <string>
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#include <vector>
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#include "hecl/CVar.hpp"
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#include "hecl/CVarManager.hpp"
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#include "hecl/hecl.hpp"
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#include <athena/Utility.hpp>
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#include <boo/IWindow.hpp>
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#include <boo/graphicsdev/IGraphicsCommandQueue.hpp>
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#include <logvisor/logvisor.hpp>
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namespace hecl {
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Console* Console::m_instance = nullptr;
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Console::Console(CVarManager* cvarMgr) : m_cvarMgr(cvarMgr), m_overwrite(false), m_cursorAtEnd(false) {
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m_instance = this;
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registerCommand("help", "Prints information about a given function", "<command>",
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[this](Console* console, const std::vector<std::string>& args) { help(console, args); });
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registerCommand("listCommands", "Prints a list of all available Commands", "",
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[this](Console* console, const std::vector<std::string>& args) { listCommands(console, args); });
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registerCommand("listCVars", "Lists all available CVars", "",
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[this](Console* console, const std::vector<std::string>& args) { m_cvarMgr->list(console, args); });
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registerCommand(
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"setCVar", "Sets a given Console Variable to the specified value", "<cvar> <value>",
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[this](Console* console, const std::vector<std::string>& args) { m_cvarMgr->setCVar(console, args); });
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registerCommand(
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"getCVar", "Prints the value stored in the specified Console Variable", "<cvar>",
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[this](Console* console, const std::vector<std::string>& args) { m_cvarMgr->getCVar(console, args); });
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m_conSpeed = cvarMgr->findOrMakeCVar("con_speed",
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"Speed at which the console opens and closes, calculated as pixels per second",
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1.f, hecl::CVar::EFlags::System | hecl::CVar::EFlags::Archive);
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m_conHeight = cvarMgr->findOrMakeCVar("con_height",
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"Maximum absolute height of the console, height is calculated from the top of "
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"the window, expects values ranged from [0.f,1.f]",
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0.5f, hecl::CVar::EFlags::System | hecl::CVar::EFlags::Archive);
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}
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void Console::registerCommand(std::string_view name, std::string_view helpText, std::string_view usage,
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std::function<void(Console*, const std::vector<std::string>&)>&& func,
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SConsoleCommand::ECommandFlags cmdFlags) {
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std::string lowName{name};
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athena::utility::tolower(lowName);
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if (m_commands.find(lowName) != m_commands.end()) {
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return;
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}
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m_commands.emplace(std::move(lowName), SConsoleCommand{std::string{name}, std::string{helpText}, std::string{usage},
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std::move(func), cmdFlags});
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}
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void Console::unregisterCommand(std::string_view name) {
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std::string lowName{name};
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athena::utility::tolower(lowName);
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const auto iter = m_commands.find(lowName);
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if (iter == m_commands.end()) {
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return;
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}
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m_commands.erase(iter);
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}
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void Console::executeString(const std::string& str) {
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if (str.empty())
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return;
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/* First let's split semi-colon delimited commands */
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std::vector<std::string> commands = athena::utility::split(str, ';');
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if (commands.empty())
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return;
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for (std::string command : commands) {
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command = athena::utility::trim(command);
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std::vector<std::string> tmpArgs = athena::utility::split(command, ' ');
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if (tmpArgs.empty())
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continue;
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std::vector<std::string> args;
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args.reserve(tmpArgs.size());
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/* detect string literals */
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bool isInLiteral = false;
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std::string curLiteral;
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int depth = 0;
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for (std::string arg : tmpArgs) {
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if ((arg.front() == '\'' || arg.front() == '"')) {
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++depth;
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isInLiteral = true;
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curLiteral += arg;
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} else if ((arg.back() == '\'' || arg.back() == '"') && isInLiteral) {
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--depth;
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curLiteral += arg;
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args.push_back(curLiteral);
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if (depth <= 0) {
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depth = 0;
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isInLiteral = false;
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curLiteral.clear();
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}
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} else if (isInLiteral)
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curLiteral += arg;
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else
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args.push_back(arg);
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}
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if (isInLiteral) {
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if ((curLiteral.back() != '\'' && curLiteral.back() != '"') || depth > 1) {
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report(Level::Warning, fmt("Unterminated string literal"));
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return;
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}
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args.push_back(curLiteral);
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}
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std::string commandName = args[0];
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args.erase(args.begin());
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std::string lowComName = commandName;
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athena::utility::tolower(lowComName);
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if (m_commands.find(lowComName) != m_commands.end()) {
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const SConsoleCommand& cmd = m_commands[lowComName];
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if (bool(cmd.m_flags & SConsoleCommand::ECommandFlags::Developer) && !com_developer->toBoolean()) {
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report(Level::Error, fmt("This command can only be executed in developer mode"), commandName);
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return;
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}
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if (bool(cmd.m_flags & SConsoleCommand::ECommandFlags::Cheat) && !com_enableCheats->toBoolean()) {
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report(Level::Error, fmt("This command can only be executed with cheats enabled"), commandName);
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return;
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}
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m_commands[lowComName].m_func(this, args);
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} else if (const CVar* cv = m_cvarMgr->findCVar(commandName)) {
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args.insert(args.begin(), commandName);
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if (args.size() > 1)
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m_cvarMgr->setCVar(this, args);
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else
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m_cvarMgr->getCVar(this, args);
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} else
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report(Level::Error, fmt("Command '{}' is not valid!"), commandName);
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}
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}
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void Console::help(Console* /*con*/, const std::vector<std::string>& args) {
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if (args.empty()) {
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report(Level::Info, fmt("Expected usage: help <command>"));
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return;
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}
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std::string cmd = args.front();
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athena::utility::tolower(cmd);
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auto it = m_commands.find(cmd);
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if (it == m_commands.end()) {
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report(Level::Error, fmt("No such command '{}'"), args.front());
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return;
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}
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report(Level::Info, fmt("{}: {}"), it->second.m_displayName, it->second.m_helpString);
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if (!it->second.m_usage.empty())
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report(Level::Info, fmt("Usage: {} {}"), it->second.m_displayName, it->second.m_usage);
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}
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void Console::listCommands(Console* /*con*/, const std::vector<std::string>& /*args*/) {
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for (const auto& comPair : m_commands)
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report(Level::Info, fmt("'{}': {}"), comPair.second.m_displayName, comPair.second.m_helpString);
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}
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bool Console::commandExists(std::string_view cmd) {
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std::string cmdName = cmd.data();
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athena::utility::tolower(cmdName);
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return m_commands.find(cmdName) != m_commands.end();
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}
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void Console::vreport(Level level, fmt::string_view fmt, fmt::format_args args) {
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std::string tmp = fmt::vformat(fmt, args);
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std::vector<std::string> lines = athena::utility::split(tmp, '\n');
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for (const std::string& line : lines)
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m_log.emplace_back(line, level);
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fmt::print(fmt("{}\n"), tmp);
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}
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void Console::init(boo::IWindow* window) {
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m_window = window;
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}
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void Console::proc() {
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if (m_conHeight->isModified()) {
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m_cachedConHeight = m_conHeight->toReal();
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}
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if (m_conSpeed->isModified()) {
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m_cachedConSpeed = m_conSpeed->toReal();
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}
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if (m_state == State::Opened) {
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fmt::print(fmt("\r{} "), m_commandString);
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fflush(stdout);
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} else if (m_state == State::Opening)
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m_state = State::Opened;
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else if (m_state == State::Closing) {
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m_state = State::Closed;
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m_commandString.clear();
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}
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if (m_cursorPosition > int(m_commandString.size() - 1))
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m_cursorPosition = int(m_commandString.size() - 1);
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if (m_cursorPosition < -1)
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m_cursorPosition = -1;
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if (m_logOffset > int(m_log.size() - 1))
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m_logOffset = int(m_log.size() - 1);
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if (m_logOffset < 0)
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m_logOffset = 0;
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}
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void Console::draw(boo::IGraphicsCommandQueue* /* gfxQ */) {
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}
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void Console::handleCharCode(unsigned long chr, boo::EModifierKey /*mod*/, bool /*repeat*/) {
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if (chr == U'`' || chr == U'~') {
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if (m_state == State::Closed || m_state == State::Closing)
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m_state = State::Opening;
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else
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m_state = State::Closing;
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}
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if (m_state == State::Opened) {
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if (!m_commandString.empty() && m_cursorPosition + 1 < int(m_commandString.size())) {
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if (m_overwrite)
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m_commandString[unsigned(m_cursorPosition + 1)] = char(chr);
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else
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m_commandString.insert(m_commandString.begin() + m_cursorPosition + 1, char(chr));
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} else
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m_commandString += char(chr);
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++m_cursorPosition;
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}
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}
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void Console::handleSpecialKeyDown(boo::ESpecialKey sp, boo::EModifierKey mod, bool /*repeat*/) {
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if (m_state != Opened)
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return;
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switch (sp) {
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case boo::ESpecialKey::Insert:
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m_overwrite ^= 1;
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break;
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case boo::ESpecialKey::Backspace: {
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if (!m_commandString.empty()) {
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if (True(mod & boo::EModifierKey::Ctrl)) {
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size_t index = m_commandString.rfind(' ', size_t(m_cursorPosition - 1));
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if (index == std::string::npos) {
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m_commandString.clear();
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m_cursorPosition = -1;
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} else {
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m_commandString.erase(index, (index - m_commandString.size()));
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m_cursorPosition = int(index);
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}
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break;
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}
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if (m_cursorPosition < 0)
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break;
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m_commandString.erase(size_t(m_cursorPosition), 1);
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--m_cursorPosition;
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}
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break;
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}
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case boo::ESpecialKey::Delete: {
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if (!m_commandString.empty()) {
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// Don't try to delete if the cursor is at the end of the line
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if ((m_cursorPosition + 1) >= int(m_commandString.size()))
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break;
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if (True(mod & boo::EModifierKey::Ctrl)) {
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size_t index = m_commandString.find_first_of(' ', size_t(m_cursorPosition + 1));
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if (index != std::string::npos)
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m_commandString.erase(size_t(m_cursorPosition + 1), index + 1);
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else
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m_commandString.erase(size_t(m_cursorPosition + 1), size_t(m_cursorPosition + 1) - m_commandString.size());
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break;
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}
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m_commandString.erase(size_t(m_cursorPosition + 1), 1);
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}
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break;
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}
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case boo::ESpecialKey::PgUp: {
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if (m_logOffset < int(m_log.size() - m_maxLines) - 1)
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m_logOffset++;
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break;
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}
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case boo::ESpecialKey::PgDown: {
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if (m_logOffset > 0)
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m_logOffset--;
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break;
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}
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case boo::ESpecialKey::Enter: {
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fmt::print(fmt("\n"));
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executeString(m_commandString);
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m_cursorPosition = -1;
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m_commandHistory.insert(m_commandHistory.begin(), m_commandString);
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m_commandString.clear();
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m_showCursor = true;
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m_cursorTime = 0.f;
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break;
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}
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case boo::ESpecialKey::Left: {
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if (m_cursorPosition < 0)
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break;
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if (True(mod & boo::EModifierKey::Ctrl))
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m_cursorPosition = int(m_commandString.rfind(' ', size_t(m_cursorPosition) - 1));
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else
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m_cursorPosition--;
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m_showCursor = true;
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m_cursorTime = 0.f;
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break;
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}
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case boo::ESpecialKey::Right: {
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if (m_cursorPosition >= int(m_commandString.size() - 1))
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break;
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if (True(mod & boo::EModifierKey::Ctrl)) {
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if (m_commandString[size_t(m_cursorPosition)] == ' ')
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m_cursorPosition++;
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size_t tmpPos = m_commandString.find(' ', size_t(m_cursorPosition));
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if (tmpPos == std::string::npos)
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m_cursorPosition = int(m_commandString.size() - 1);
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else
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m_cursorPosition = int(tmpPos);
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} else
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m_cursorPosition++;
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m_showCursor = true;
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m_cursorTime = 0.f;
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break;
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}
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case boo::ESpecialKey::Up: {
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if (m_commandHistory.size() == 0)
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break;
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m_currentCommand++;
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if (m_currentCommand > int(m_commandHistory.size() - 1))
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m_currentCommand = int(m_commandHistory.size() - 1);
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m_commandString = m_commandHistory[size_t(m_currentCommand)];
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m_cursorPosition = int(m_commandString.size() - 1);
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break;
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}
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case boo::ESpecialKey::Down: {
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if (m_commandHistory.empty())
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break;
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m_currentCommand--;
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if (m_currentCommand >= 0) {
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m_commandString = m_commandHistory[size_t(m_currentCommand)];
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} else if (m_currentCommand <= -1) {
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m_currentCommand = -1;
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m_commandString.clear();
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}
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m_cursorPosition = int(m_commandString.size());
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break;
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}
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case boo::ESpecialKey::Home:
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m_cursorPosition = -1;
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break;
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case boo::ESpecialKey::End:
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m_cursorPosition = int(m_commandString.size() - 1);
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break;
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default:
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break;
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}
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}
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void Console::handleSpecialKeyUp(boo::ESpecialKey /*sp*/, boo::EModifierKey /*mod*/) {}
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void Console::LogVisorAdapter::report(const char* modName, logvisor::Level severity,
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fmt::string_view format, fmt::format_args args) {
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auto tmp = fmt::internal::vformat(format, args);
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std::vector<std::string> lines = athena::utility::split(tmp, '\n');
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for (const std::string& line : lines) {
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auto v = fmt::format(fmt("[{}] {}"), modName, line);
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m_con->m_log.emplace_back(std::move(v), Console::Level(severity));
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}
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}
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void Console::LogVisorAdapter::report(const char* modName, logvisor::Level severity,
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fmt::wstring_view format, fmt::wformat_args args) {
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auto tmp = fmt::internal::vformat(format, args);
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std::vector<std::string> lines = athena::utility::split(athena::utility::wideToUtf8(tmp), '\n');
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for (const std::string& line : lines) {
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auto v = fmt::format(fmt("[{}] {}"), modName, line);
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m_con->m_log.emplace_back(std::move(v), Console::Level(severity));
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}
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}
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void Console::LogVisorAdapter::reportSource(const char* modName, logvisor::Level severity, const char* file,
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unsigned linenum, fmt::string_view format, fmt::format_args args) {
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auto tmp = fmt::internal::vformat(format, args);
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auto v = fmt::format(fmt("[{}] {} {}:{}"), modName, tmp, file, linenum);
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m_con->m_log.emplace_back(std::move(v), Console::Level(severity));
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}
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void Console::LogVisorAdapter::reportSource(const char* modName, logvisor::Level severity, const char* file,
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unsigned linenum, fmt::wstring_view format, fmt::wformat_args args) {
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auto tmp = fmt::internal::vformat(format, args);
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std::vector<std::string> lines = athena::utility::split(athena::utility::wideToUtf8(tmp), '\n');
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for (const std::string& line : lines) {
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auto v = fmt::format(fmt("[{}] {} {}:{}"), modName, line, file, linenum);
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m_con->m_log.emplace_back(std::move(v), Console::Level(severity));
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}
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}
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void Console::dumpLog() {
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for (const auto& l : m_log) {
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switch (l.second) {
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case Level::Info:
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fmt::print(fmt("{}\n"), l.first);
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break;
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case Level::Warning:
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fmt::print(fmt("[Warning] {}\n"), l.first);
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break;
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case Level::Error:
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fmt::print(fmt("[ Error ] {}\n"), l.first);
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break;
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case Level::Fatal:
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fmt::print(fmt("[ Fatal ] {}\n"), l.first);
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break;
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}
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}
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}
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void Console::RegisterLogger(Console* con) { logvisor::MainLoggers.emplace_back(new LogVisorAdapter(con)); }
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Console* Console::instance() { return m_instance; }
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} // namespace hecl
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