summaryrefslogtreecommitdiff
path: root/src/commands.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/commands.cpp')
-rw-r--r--src/commands.cpp335
1 files changed, 0 insertions, 335 deletions
diff --git a/src/commands.cpp b/src/commands.cpp
deleted file mode 100644
index 5688da4..0000000
--- a/src/commands.cpp
+++ /dev/null
@@ -1,335 +0,0 @@
-#include "commands.h"
-#include "error.h"
-#include "util.h"
-
-#include <cctype>
-#include <iostream>
-#include <algorithm>
-#include <iterator>
-#include <stdexcept>
-#include <string>
-#include <utility>
-#include <vector>
-#include <regex>
-#include <cstring>
-
-using std::cout, std::endl, std::string, std::vector;
-
-const void CommandsModule::echo(const CommandArg* argv)
-{
- cout << argv[0].str << endl;
-}
-
-CommandsModule::CommandsModule()
-{
- addCommand("echo", &CommandsModule::echo, 1, {STR_REST}, this);
-}
-CommandsModule::~CommandsModule()
-{
- for(Command c : commandList)
- {
- if(c.argc > 0)
- delete[] c.argTypes;
- }
-}
-
-void CommandsModule::addCommand(Command c)
-{
- if(lookupCommand(c.name) != nullptr)
- {
- cout << "Duplicate command: " << c.name << endl;
- }
- commandList.push_back(c);
-}
-void CommandsModule::addCommand(std::string name, const void (*func)(const CommandArg *), const int argc, CommandArgType *argTypes)
-{
- Command c = {name, nullptr, func, argc, argTypes, nullptr};
- addCommand(c);
-}
-void CommandsModule::addCommand(std::string name, const void(*func)(const CommandArg*), const int argc, std::vector<CommandArgType> argTypes)
-{
- CommandArgType* argTypesArr = new CommandArgType[argc];
- for(int i = 0; i < argc; i++)
- {
- argTypesArr[i] = argTypes[i];
- }
- addCommand(name, func, argc, argTypesArr);
-}
-
-struct NameMatches
-{
- NameMatches(string s): s_{s} {}
- bool operator()(Command c) { return (c.name == s_); }
- string s_;
-};
-
-Command* CommandsModule::lookupCommand(string name)
-{
- auto elem = std::find_if(commandList.begin(), commandList.end(), NameMatches(name));
- if (elem != commandList.end())
- {
- int i = elem - commandList.begin();
- return &(commandList[i]);
- }
- else
- {
- return nullptr;
- }
-}
-
-vector<string> CommandsModule::splitCommand(string command)
-{
- vector<string> v;
- string arg = "";
- bool inQuotes = false;
- bool escapeNext = true;
- char quoteType;
- for(int i = 0; i < command.size(); i++)
- {
- if(escapeNext)
- {
- arg += command[i];
- escapeNext = false;
- }
- else if(command[i] == '\\')
- {
- escapeNext = true;
- }
- else if(inQuotes)
- {
- if(command[i] == quoteType)
- {
- if(arg != "")
- {
- v.push_back(arg);
- arg = "";
- }
- inQuotes = false;
- }
- else
- {
- arg += command[i];
- }
- }
- else
- {
- if(command[i] == ' ')
- {
- if(arg != "")
- {
- v.push_back(arg);
- arg = "";
- }
- }
- else if(command[i] == '"' || command[i] == '\'')
- {
- inQuotes = true;
- quoteType = command[i];
- }
- else
- {
- arg += command[i];
- }
- }
- }
- if(arg != "")
- v.push_back(arg);
- return v;
-}
-
-CommandArg* CommandsModule::getCommandArgs(vector<string>& split, const CommandArgType* argTypes, const int argc)
-{
- CommandArg* args = new CommandArg[argc];
- for(int i = 1; i < argc + 1; i++)
- {
- switch(argTypes[i-1])
- {
- case STR: args[i-1].str = (char*)split[i].c_str(); break;
- case NUM:
- {
- try
- {
- args[i-1].num = std::stoi(split[i]);
- break;
- }
- catch(std::invalid_argument e)
- {
- delete[] args;
- throw Err(CMD_ERR_WRONG_ARGS, split[i] + " is not a number!");
- }
- }
- case MOVDIR:
- {
- if(lowercase(split[i]) == "up")
- args[i-1].dir = UP;
- else if(lowercase(split[i]) == "down")
- args[i-1].dir = DOWN;
- else if(lowercase(split[i]) == "left")
- args[i-1].dir = LEFT;
- else if(lowercase(split[i]) == "right")
- args[i-1].dir = RIGHT;
- else
- {
- delete[] args;
- throw Err(CMD_ERR_WRONG_ARGS, split[i] + " is not a direction!");
- }
- break;
- }
- case STR_REST:
- {
- string rest = "";
- for(int j = i; j < split.size(); j++)
- {
- rest += split[j];
- if(j != split.size() - 1)
- rest += " ";
- }
- args[i-1].str = new char[rest.size()];
- strncpy(args[i-1].str, rest.c_str(), rest.size());
- return args;
- }
- case NUM_ARR_REST:
- {
- int* rest = new int[split.size() - i];
- for(int j = 0; j < split.size() - i; j++)
- {
- try
- {
- rest[j] = std::stoi(split[j + i]);
- }
- catch(std::invalid_argument e)
- {
- delete[] rest;
- delete[] args;
- throw Err(CMD_ERR_WRONG_ARGS, split[i] + " is not a number!");
- }
- }
- args[i-1].numArr = {rest, (int) split.size() - i};
- return args;
- }
- default: cout << "UH OH SOMETHING IS VERY WRONG" << endl;
- }
- }
- return args;
-}
-
-void CommandsModule::runCommand(string command)
-{
- vector<string> split = splitCommand(command);
- vector<string>::const_iterator start = split.begin();
- int count = 0;
- for(string s : split)
- {
- if(s == ";")
- {
- vector<string>::const_iterator end = start + count;
- vector<string> partialCmd(start, end);
- runCommand(partialCmd);
- count = 0;
- start = end + 1;
- }
- else
- {
- count++;
- }
- }
- if(start != split.end())
- {
- vector<string> partialCmd(start, (vector<string>::const_iterator)split.end());
- runCommand(partialCmd);
- }
-}
-void CommandsModule::runCommand(vector<string> split)
-{
- Command* cmd = lookupCommand(split[0]);
- if(cmd == nullptr)
- throw Err(CMD_ERR_NOT_FOUND, split[0] + " is not a valid command name");
- if(cmd->argc > split.size() - 1)
- throw Err(CMD_ERR_WRONG_ARGS, "wrong number of arguments");
- CommandArg* args;
- try
- {
- args = getCommandArgs(split, cmd->argTypes, cmd->argc);
- }
- catch(Err e)
- {
- throw e;
- }
- try
- {
- if(cmd->module == nullptr)
- cmd->staticFunc(args);
- else
- cmd->func(*cmd->module, args);
- }
- catch (Err e)
- {
- for(int i = 0; i < cmd->argc; i++)
- {
- if(cmd->argTypes[i] == STR_REST)
- delete[] args[i].str;
- }
- delete[] args;
- throw e;
- }
- for(int i = 0; i < cmd->argc; i++)
- {
- if(cmd->argTypes[i] == STR_REST)
- delete[] args[i].str;
- }
- delete[] args;
-}
-
-vector<Err> CommandsModule::checkCommand(string command)
-{
- vector<Err> errs;
- vector<string> split = splitCommand(command);
- vector<string>::const_iterator start = split.begin();
- int count = 0;
- for(string s : split)
- {
- if(s == ";")
- {
- vector<string>::const_iterator end = start + count;
- vector<string> partialCmd(start, end);
- errs.push_back(checkCommand(partialCmd));
- count = 0;
- start = end + 1;
- }
- else
- {
- count++;
- }
- }
- if(start != split.end())
- {
- vector<string> partialCmd(start, (vector<string>::const_iterator)split.end());
- errs.push_back(checkCommand(partialCmd));
- }
- return errs;
-}
-
-Err CommandsModule::checkCommand(vector<string> split)
-{
- Command* cmd = lookupCommand(split[0]);
- if(cmd == nullptr)
- return Err(CMD_ERR_NOT_FOUND, split[0] + " is not a valid command name");
- if(cmd->argc > split.size())
- return Err(CMD_ERR_WRONG_ARGS, "wrong number of arguments");
- CommandArg* args;
- try
- {
- args = getCommandArgs(split, cmd->argTypes, cmd->argc);
- }
- catch(Err e)
- {
- return e;
- }
- for(int i = 0; i < cmd->argc; i++)
- {
- if(cmd->argTypes[i] == STR_REST || cmd->argTypes[i] == NUM_ARR_REST)
- delete[] args[i].str;
- }
- delete[] args;
- return Err(NOERR, "");
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-13 09:09:49 +0000