queue system, better command systsem, whispers/messages now can get split if too long

This commit is contained in:
Wirlaburla 2023-10-05 02:10:43 -05:00
parent 74d14372ec
commit fb666f1d92
6 changed files with 321 additions and 230 deletions

View File

@ -24,7 +24,6 @@ public:
if (line.rfind("#", 0) != 0) {
std::string name = line.substr(0, line.find("="));
std::string value = line.substr(line.find("=")+1, line.length());
std::cout << name << ": \"" << value << "\"" << std::endl;
conf[name] = value;
}
}
@ -90,7 +89,6 @@ public:
line = line.substr(1, line.length());
} // For \[text] messages.
messages[group].push_back(line);
std::cout << "[" << group << "]=" << line << std::endl;
}
}
}

View File

@ -60,9 +60,6 @@ uint16_t spin = 0;
std::map<char, char*> properties;
std::map<char, Drone> objects;
static char* toLower(char* str);
static std::string toLower(std::string str);
static char* trim(char *str);
void loadConfig();
int deinit(int response);
void autoInit();
@ -78,17 +75,15 @@ std::map<char, char*> readOldPropertyList(unsigned char* in);
void setAvatar(int *sock, std::string avstr);
void roomIDReq(int *sock, std::string room);
void teleport(int *sock, int x, int y, int z, int rot);
void longloc(int *sock, int x, int y, int z, int rot);
void userEnter(char id);
void userExit(char id);
bool strcontains(std::string needle, std::string haystack);
int vstrcontains(std::string needle, std::vector<std::string> haystack);
std::string getContainedWorld(std::map<std::string, std::string> worldlist, std::string input);
std::string getResponse(std::map<std::string, std::string> responselist, std::string input);
char* handleCommand(std::string from, std::string message);
bool handleCommand(char* buffer, std::string from, std::string message);
bool handlePhrase(char* buffer, std::string from, std::string message);
void processText(int *sock, std::string username, std::string message);
void processWhisper(int *sock, std::string username, std::string message);
void sendChatMessage(int *sock, std::string msg);
void sendWhisperMessage(int *sock, std::string to, std::string msg);
int wsend(int *sock, unsigned char str[], int flags);
void qsend(int *sock, unsigned char str[], bool queue);
#endif

33
src/group.h Normal file
View File

@ -0,0 +1,33 @@
#ifndef GROUP_H
#define GROUP_H
#include <vector>
#include <map>
class Group {
public:
Group() {};
Group(const Group &other) {
this->owner = other.owner;
this->members = other.members;
}
Group(std::string owner) {
this->owner = owner;
}
void addMember(std::string name) {
members.push_back(name);
}
void delMember(std::string name) {
members.erase(std::find(members.begin(), members.end(), name));
}
private:
std::string owner;
std::vector<std::string> members;
};
std::vector<Group> groups;
std::map<std::string, Group*> groupmap;
#endif

View File

@ -21,40 +21,34 @@
#include <unistd.h>
#include <fcntl.h>
#include "strutils.h"
#include "client.h"
#include "verrors.h"
#include "cmds.h"
#include "props.h"
#include "group.h"
#include "utils.h"
std::chrono::time_point<std::chrono::system_clock> pingStart;
std::chrono::time_point<std::chrono::system_clock> pingEnd;
static char* toLower(char* str) {
for(int i = 0; str[i]; i++){
str[i] = std::tolower(str[i]);
class QueuedPacket {
public:
QueuedPacket() {};
QueuedPacket(const QueuedPacket &other) {
this->sock = other.sock;
memcpy(this->buf, other.buf, 255);
}
return str;
}
QueuedPacket(int *sock, unsigned char str[]) {
this->sock = *sock;
memcpy(this->buf, str, 255);
};
static std::string toLower(std::string str) {
std::transform(str.begin(), str.end(), str.begin(),
[](unsigned char c){ return std::tolower(c); });
return str;
}
int flush(int flags) {
return send(this->sock, this->buf, this->buf[0], flags);
}
private:
int sock;
unsigned char buf[255] = {};
};
static char* trim(char *str) {
char *end;
while(isspace(*str))
str++;
if(*str == 0)
return str;
end = str + strnlen(str, 128) - 1;
while(end > str && isspace(*end))
end--;
*(end+1) = '\0';
return str;
}
std::vector<QueuedPacket> bufferQueue;
int main(int argc, char const* argv[]) {
// Setting config values.
@ -70,6 +64,15 @@ int main(int argc, char const* argv[]) {
while (autoOnline) {
while (!roomOnline) {}
sleep(1);
if (bufferQueue.size() > 0) {
if (debug) printf("debug: flushing buffer queue (%i packets)\n", bufferQueue.size());
for (QueuedPacket qp : bufferQueue) {
qp.flush(MSG_MORE);
}
send(autosock, new unsigned char[]{}, 0, 0);
send(roomsock, new unsigned char[]{}, 0, 0);
bufferQueue.clear();
}
}
return deinit(0);
}
@ -119,7 +122,7 @@ void autoInit() {
perror("AutoServ connection failed");
aRecv_t = std::thread(reciever, &autosock, autoport);
wsend(&autosock, new unsigned char[] {0x03, 0xff, CMD_PROPREQ}, 0);
send(autosock, new unsigned char[] {0x03, 0xff, CMD_PROPREQ}, 3, 0);
printf("info: Connected to AutoServer: %i.%i.%i.%i:%i\n", autoserver[1], autoserver[1], autoserver[2], autoserver[3], autoport);
sessInit(&autosock, login_username, login_password);
autoOnline = true;
@ -137,22 +140,25 @@ void roomInit() {
if ((connect(roomsock, (struct sockaddr*)&room_addr, sizeof(room_addr))) < 0)
perror("RoomServ connection failed");
wsend(&autosock, new unsigned char[] {0x03, 0xff, CMD_PROPREQ}, 0);
send(autosock, new unsigned char[] {0x03, 0xff, CMD_PROPREQ}, 3, 0);
printf("info: Connected to RoomServer: %i.%i.%i.%i:%i\n", roomserver[1], roomserver[1], roomserver[2], roomserver[3], roomport);
roomOnline = true;
rRecv_t = std::thread(reciever, &roomsock, roomport);
sessInit(&roomsock, login_username, login_password);
sleep(1);
rKeepAlive_t = std::thread(roomKeepAlive);
sleep(1);
rAutoMsg_t = std::thread(autoRandMessage);
}
void roomKeepAlive() {
while (roomOnline) {
if (direction >= 360) direction = 0;
else direction+=spin;
sleep(1);
teleport(&roomsock, xPos, yPos, zPos, direction);
sleep(keepAliveTime); // So we don't auto-disconnect.
while (roomOnline) {
if (direction >= 360) direction += (spin - 360);
else direction+=spin;
longloc(&roomsock, xPos, yPos, zPos, direction);
sleep(keepAliveTime);
}
printf("warning: room keep alive disconnected!\n");
}
@ -161,7 +167,6 @@ void autoRandMessage() {
int minTime = mainConf->getInt("minRandomMsgTime", 0);
int maxTime = mainConf->getInt("maxRandomMsgTime", 0);
int wait = 0;
sleep(2);
sendChatMessage(&roomsock, messages->getMessage("startup"));
if (minTime != 0) {
while (roomOnline) {
@ -315,7 +320,7 @@ void reciever(int *sock, uint16_t port) {
p += bufin[p];
goto more_in_buffer;
}
memset(&(bufin[0]), 0, sizeof(bufin));
memset(&bufin[0], 0, sizeof(bufin));
}
}
@ -365,14 +370,14 @@ void sessInit(int *sock, std::string username, std::string password) {
bufout[0] = l;
bufout[l+1] = 0;
wsend(sock, bufout, 0);
qsend(sock, bufout, false);
}
void sessExit(int *sock) {
bufout[0] = 0x03;
bufout[1] = 0x01;
bufout[2] = CMD_SESSEXIT;
wsend(sock, bufout, 0);
qsend(sock, bufout, false);
}
void constructPropertyList(int type, std::map<int, char*> props, unsigned char* snd) {
@ -434,7 +439,7 @@ void setAvatar(int *sock, std::string avstr) {
bufav[0] = l;
bufav[l+1] = 0;
wsend(sock, bufav, 0);
qsend(sock, bufav, true);
}
void roomIDReq(int *sock, std::string room) {
@ -447,7 +452,7 @@ void roomIDReq(int *sock, std::string room) {
bufrm[x++] = room[z];
bufrm[x++] = 0;
bufrm[0] = x;
wsend(sock, bufrm, 0);
qsend(sock, bufrm, false);
}
void teleport(int *sock, int x, int y, int z, int rot) {
@ -468,12 +473,34 @@ void teleport(int *sock, int x, int y, int z, int rot) {
buftp[2] = CMD_TELEPORT;
buftp[4] = _roomID[0]; buftp[3] = _roomID[1];
buftp[5] = 0x00; buftp[6] = 0x01;
buftp[8] = _x[0]; buftp[7] = _x[1];
buftp[10] = _y[0]; buftp[9] = _y[1];
buftp[12] = _z[0]; buftp[11] = _z[1];
buftp[14] = _rot[0]; buftp[13] = _rot[1];
buftp[8] = _x[1]; buftp[7] = _x[0];
buftp[10] = _y[1]; buftp[9] = _y[0];
buftp[12] = _z[1]; buftp[11] = _z[0];
buftp[14] = _rot[1]; buftp[13] = _rot[0];
wsend(sock, buftp, 0);
qsend(sock, buftp, false);
}
void longloc(int *sock, int x, int y, int z, int rot) {
unsigned char buftp[11] = {0};
uint8_t _x[2];
uint8_t _y[2];
uint8_t _z[2];
uint8_t _rot[2];
memcpy(_x, &x, sizeof(_x));
memcpy(_y, &y, sizeof(_y));
memcpy(_z, &z, sizeof(_z));
memcpy(_rot, &rot, sizeof(_rot));
buftp[0] = 0x0b;
buftp[1] = 0x01;
buftp[2] = CMD_LONGLOC;
buftp[3] = _x[1]; buftp[4] = _x[0];
buftp[5] = _y[1]; buftp[6] = _y[0];
buftp[7] = _z[1]; buftp[8] = _z[0];
buftp[9] = _rot[1]; buftp[10] = _rot[0];
qsend(sock, buftp, true);
}
void userEnter(char id) {
@ -488,120 +515,106 @@ void userExit(char id) {
}
}
bool strcontains(std::string needle, std::string haystack) {
bool found = haystack.find(needle) != std::string::npos;
if (debug) printf("debug: %s =?= %s == %i\n", needle.c_str(), haystack.c_str(), found?1:0);
return found;
}
int vstrcontains(std::string needle, std::vector<std::string> haystack) {
for (std::string str : haystack) {
if (needle.rfind(str, 0) == 0) return str.length();
bool handleCommand(char* buffer, std::string from, std::string message) {
std::vector<std::string> args = split(message, ' ');
if (args.size() > 0) {
if (args[0] == "roll" && args.size() > 1) {
int dice = 1; int sides = 6; int roll = 0;
if (args.size() > 1) {
try {
int dinx = args[1].find("d");
if (dinx > 0) {
dice = std::stoi(args[1].substr(0, dinx));
}
return 0;
}
std::string getContainedWorld(std::map<std::string, std::string> worldlist, std::string input) {
for (auto world : worldlist) {
if (strcontains(world.first, input)) return world.second;
sides = std::stoi(args[1].substr(dinx+1, args[1].length()));
} catch (const std::out_of_range& e) { }
}
return "";
}
std::string getResponse(std::map<std::string, std::string> responselist, std::string input) {
for (auto resp : responselist) {
if (strcontains(resp.first, input)) return resp.second;
std::uniform_int_distribution<int> rno(1,sides);
for (int d = 0; d < dice; d++) roll+=rno(rng);
sprintf(buffer, mainConf->getValue("roll_msg", "%s rolled a %i.").c_str(), from.c_str(), roll);
return true;
} else if ((args[0] == "where" || args[0] == "whereis") && args.size() > 1) {
std::string mark = getValueOfIncludedName(worldlist->get(), strcombine(args, 1, args.size(), ' '));
if (mark.length() > 0) {
sprintf(buffer, messages->getMessage("world").c_str(), mark.c_str());
} else {
sprintf(buffer, mainConf->getValue("world_not_found_msg", "Sorry, I don't know that one.").c_str());
}
return "";
}
char* handleCommand(std::string from, std::string message) {
char *msgout = new char[255];
if (strcontains("flip a coin", message)) {
std::uniform_int_distribution<int> rno(0,1);
bool heads = rno(rng) == 1;
snprintf(msgout, 255, mainConf->getValue("coinflip_msg", "%s flipped %s.").c_str(), heads?"heads":"tails");
} else if (strcontains("time", message)) {
return true;
} else if (args[0] == "help") {
char *whisout = new char[255];
sprintf(whisout, mainConf->getValue("help_msg", "You can find more information here: %s").c_str(), mainConf->getValue("help_url", "").c_str());
sendWhisperMessage(&roomsock, from, whisout);
sprintf(buffer, mainConf->getValue("help_whisper_message", "%s, you have been whispered with more information.").c_str(), from.c_str());
return true;
} else if (args[0] == "ping") {
sprintf(buffer, mainConf->getValue("pong_msg", "Pong!").c_str());
return true;
} else if (args[0] == "time") {
std::ostringstream nowStream;
auto now = std::chrono::system_clock::now();
std::time_t nowTime = std::chrono::system_clock::to_time_t(now);
nowStream << std::put_time(localtime(&nowTime), "%A %b %d, %Y at %I:%M %p %Z");
std::string curTime = nowStream.str();
snprintf(msgout, 255, mainConf->getValue("time_msg", "It is %s.").c_str(), curTime.c_str());
} else if (strcontains("roll", message)) {
int dice = 6; int dstr;
try {
if ((dstr = message.find(" d")) != std::string::npos) {
std::string dino = message.substr(dstr+2, message.length());
if (debug) printf("debug: setting die to d%s\n", dino.c_str());
dice = std::stoi(dino);
sprintf(buffer, mainConf->getValue("time_msg", "It is %s.").c_str(), curTime.c_str());
return true;
} else if (args[0] == "stats" || args[0] == "status") {
sprintf(buffer, mainConf->getValue("roomusers_msg", "There are %i users in this room.").c_str(), objects.size());
return true;
} else if (args[0] == "reload" && from == mainConf->getValue("owner", "")) {
loadConfig();
setAvatar(&roomsock, avatar);
sprintf(buffer, mainConf->getValue("conf_reload_msg", "My configurations have been reloaded.").c_str());
return true;
} else if ((args[0] == "shutdown" || args[0] == "kill") && from == mainConf->getValue("owner", "")) {
exit(deinit(0));
return true;
}
} catch (const std::out_of_range& e) {
dice = 6;
}
return false;
}
std::uniform_int_distribution<int> rno(1,dice);
int roll = rno(rng);
snprintf(msgout, 255, mainConf->getValue("roll_msg", "%s rolled a %i.").c_str(), from.c_str(), roll);
bool handlePhrase(char* buffer, std::string from, std::string message) {
std::vector<std::string> args = split(message, ' ');
if (strcontains("flip a coin", message)) {
} else if (strcontains("where is", message) || strcontains("where", message) || strcontains("mark to", message) || strcontains("show me", message)) {
std::string mark = getContainedWorld(worldlist->get(), message);
if (mark.length() > 0) {
snprintf(msgout, 255, messages->getMessage("world").c_str(), mark.c_str());
} else {
snprintf(msgout, 255, mainConf->getValue("world_not_found_msg", "Sorry, I don't know that one.").c_str());
}
} else if (((strcontains("many", message) || strcontains("count", message)) && (strcontains("users", message) || strcontains("people", message))) || (strcontains("online", message) && (strcontains("who", message) || strcontains("how many", message) || strcontains("who is", message)))) {
snprintf(msgout, 255, mainConf->getValue("roomusers_msg", "There are %i users in this room.").c_str(), objects.size());
std::uniform_int_distribution<int> rno(0,1);
bool heads = rno(rng) == 1;
sprintf(buffer, mainConf->getValue("coinflip_msg", "%s flipped %s.").c_str(), from.c_str(), heads?"heads":"tails");
return true;
} else if ((strcontains("joke", message) && strcontains("tell", message)) || (strcontains("make", message) && strcontains("laugh", message))) {
snprintf(msgout, 255, messages->getMessage("jokes").c_str());
sprintf(buffer, messages->getMessage("jokes").c_str());
return true;
} else if ((strcontains("what", message) || strcontains("who", message)) && strcontains("are you", message)) {
snprintf(msgout, 255, messages->getMessage("whoami").c_str());
sprintf(buffer, messages->getMessage("whoami").c_str());
return true;
} else if (strcontains("shutdown", message) && from == mainConf->getValue("owner", "")) {
} else if (vfind(args, "hi") || vfind(args, "hello") || vfind(args, "hey") || vfind(args, "yo")) {
exit(deinit(0));
} else if (strcontains("reload", message) && from == mainConf->getValue("owner", "")) {
loadConfig();
snprintf(msgout, 255, mainConf->getValue("conf_reload_msg", "My configurations have been reloaded.").c_str());
} else if (strcontains(" hi", message) || strcontains("hello", message) || strcontains(" hey", message) || strcontains(" yo", message)) {
// Prefix small ones with spaces so they don't get mixed up easily in other words. "this" -> hi, "you" -> yo, "they" -> hey
snprintf(msgout, 255, messages->getMessage("greets").c_str(), from.c_str());
sprintf(buffer, messages->getMessage("greets").c_str(), from.c_str());
return true;
} else {
std::string response;
if ((response = getResponse(replylist->get(), message)).length() > 0) {
snprintf(msgout, 255, response.c_str());
if ((response = getValueOfIncludedName(replylist->get(), message)).length() > 0) {
sprintf(buffer, response.c_str());
}
return true;
}
return msgout;
return false;
}
void processText(int *sock, std::string username, std::string message) {
printf("info: received text from %s: \"%s\"\n", username.c_str(), message.c_str());
char *msgout = new char[255];
if (debug) printf("debug: received text from %s: \"%s\"\n", username.c_str(), message.c_str());
char *msgout = new char[BUFFERSIZE];
if (username.compare(login_username) != 0) {
message = toLower(message); // Make it a lowercase string so we can work with it.
int alen = 0;
@ -610,75 +623,68 @@ void processText(int *sock, std::string username, std::string message) {
if ((alen = vstrcontains(message, messages->getMessages("attention"))) > 0) {
// Strip out the attention. We got it.
message = message.substr(alen+1, message.length());
msgout = handleCommand(username, message);
if (strlen(msgout) > 1) sendChatMessage(sock, std::string(msgout));
else if (strcontains("your commands", message) || strcontains("can you do", message)) {
char *whisout = new char[255];
snprintf(whisout, 255, mainConf->getValue("help_msg", "You can find more information here: %s").c_str(), mainConf->getValue("help_url", "").c_str());
sendWhisperMessage(&roomsock, username, whisout);
snprintf(msgout, 255, mainConf->getValue("help_whisper_message", "%s, you have been whispered with more information.").c_str(), username.c_str());
sendChatMessage(sock, msgout);
} else if (strcontains("ping test", message)) {
pingStart = std::chrono::system_clock::now();
snprintf(msgout, 255, "Ping!");
sendChatMessage(sock, msgout);
if (handleCommand(msgout, username, message)) {
printf("info: processed command\n");
} else if (handlePhrase(msgout, username, message)) {
printf("info: processed phrase\n");
}
} else if (message == "ping") { // We'll accept a simple ping to pong.
sendChatMessage(sock, mainConf->getValue("pong_msg", "Pong!"));
}
} else {
if (debug) printf("debug: processing own message: %s\n", message.c_str());
if (message.compare("Ping!") == 0) {
pingEnd = std::chrono::system_clock::now();
std::chrono::duration<double, std::milli> ping = pingEnd - pingStart;
snprintf(msgout, 255, mainConf->getValue("ping_msg", "Response recieved in %ims.").c_str(), ping.count());
sendChatMessage(sock, msgout);
sendChatMessage(sock, std::string(msgout));
} else if (message == "ping") {
sprintf(msgout, mainConf->getValue("pong_msg", "Pong!").c_str());
sendChatMessage(sock, std::string(msgout));
}
}
}
void processWhisper(int *sock, std::string username, std::string message) {
printf("info: received whisper from %s: \"%s\"\n", username.c_str(), message.c_str());
if (debug) printf("debug: received whisper from %s: \"%s\"\n", username.c_str(), message.c_str());
char *msgout = new char[255];
message = toLower(message);
if (message == "ping") {
sendWhisperMessage(sock, username, mainConf->getValue("pong_msg", "Pong!"));
} else {
msgout = handleCommand(username, message);
if (strlen(msgout) > 0) sendWhisperMessage(sock, username, msgout);
else {
if (handleCommand(msgout, username, message)) {
printf("info: processed command\n");
} else if (handlePhrase(msgout, username, message)) {
printf("info: processed phrase\n");
} else {
snprintf(msgout, 255, messages->getMessage("unknown").c_str());
sendWhisperMessage(sock, username, msgout);
}
sendWhisperMessage(sock, username, msgout);
}
}
void sendChatMessage(int *sock, std::string msg) {
if (msg.length() > 0) {
unsigned char msgout[255] = {0};
int msglen = msg.length();
for (size_t i = 0; i < msg.size(); i += 226) {
const std::string line = msg.substr(i, 226);
int k = 1;
msgout[k++] = 1;
msgout[k++] = CMD_CHATMSG;
msgout[k++] = 0; bufout[k++] = 0;
uint8_t msglen = line.length();
msgout[k++] = msglen;
for(int l = 0; l < msglen; l++)
msgout[k++] = msg[l];
msgout[k++] = line[l];
msgout[k] = 0;
msgout[0] = k;
wsend(&roomsock, msgout, 0);
if(debug) printf("debug: sending text \"%s\"\n", line.c_str());
unsigned char bufmsg[255];
for(int l = 0; l < sizeof(msgout); l++)
bufmsg[l] = msgout[l];
qsend(sock, bufmsg, true);
memset(&msgout[0], 0, sizeof(msgout));
}
}
}
void sendWhisperMessage(int *sock, std::string to, std::string msg) {
if (msg.length() > 0 && to.length() > 0) {
whisper_repeat:
unsigned char msgout[255] = {0};
for (size_t i = 0; i < msg.size(); i += 226) {
const std::string line = msg.substr(i, 226);
int k = 1;
msgout[k++] = 0;
msgout[k++] = to.length();
@ -686,22 +692,22 @@ void sendWhisperMessage(int *sock, std::string to, std::string msg) {
msgout[k++] = to[l];
msgout[k++] = CMD_WHISPER;
msgout[k++] = 0; bufout[k++] = 0;
int msglen = std::min((int)msg.length(), 226);
uint8_t msglen = line.length();
msgout[k++] = msglen;
for(int l = 0; l < msglen; l++)
msgout[k++] = msg[l];
msgout[k++] = line[l];
msgout[k] = 0;
msgout[0] = k;
wsend(&roomsock, msgout, 0);
// Check if the length is higher.
if (msg.length() > 226) {
msg = msg.substr(226, -1);
goto whisper_repeat;
if(debug) printf("debug: sending whisper \"%s\"\n", line.c_str());
qsend(sock, *(&msgout), true);
memset(&msgout[0], 0, sizeof(msgout));
}
}
}
int wsend(int *sock, unsigned char str[], int flags) {
if (debug) printf("debug: sending new packet of type %i and length %i.\n", str[2], str[0]);
return send(*sock, str, str[0], flags);
void qsend(int *sock, unsigned char str[], bool queue) {
if (debug) printf("debug: queuing packet type %i with length %i.\n", str[2], str[0]);
QueuedPacket* qp = new QueuedPacket(sock, str);
if (queue) bufferQueue.push_back(*qp);
else qp->flush(0);
}

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@ -1,25 +0,0 @@
#ifndef STRUTILS_H
#define STRUTILS_H
#include <string>
#include <sstream>
#include <vector>
#include <iterator>
template <typename Out>
void split(const std::string &s, char delim, Out result) {
std::istringstream iss(s);
std::string item;
while (std::getline(iss, item, delim)) {
*result++ = item;
}
}
std::vector<std::string> split(const std::string &s, char delim) {
std::vector<std::string> elems;
split(s, delim, std::back_inserter(elems));
return elems;
}
#endif

84
src/utils.h Normal file
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#ifndef UTILS_H
#define UTILS_H
#include <map>
#include <vector>
#include <string>
#include <sstream>
#include <vector>
#include <iterator>
#include <algorithm>
template <typename Out>
void split(const std::string &s, char delim, Out result) {
std::istringstream iss(s);
std::string item;
while (std::getline(iss, item, delim)) {
*result++ = item;
}
}
std::vector<std::string> split(const std::string &s, char delim) {
std::vector<std::string> elems;
split(s, delim, std::back_inserter(elems));
return elems;
}
bool strcontains(std::string needle, std::string haystack) {
bool found = haystack.find(needle) != std::string::npos;
return found;
}
bool vfind(std::vector<std::string> v, std::string i) {
return std::find(v.begin(), v.end(), i) != v.end();
}
int vstrcontains(std::string needle, std::vector<std::string> haystack) {
for (std::string str : haystack) {
if (needle.rfind(str, 0) == 0) return str.length();
}
return 0;
}
std::string getValueOfIncludedName(std::map<std::string, std::string> list, std::string input) {
for (auto v : list) {
if (strcontains(v.first, input)) return v.second;
}
return "";
}
std::string strcombine(std::vector<std::string> args, int start, int end, char pad) {
std::string output = args[start];
for (int c = start+1; c < end; c++) {
output+=(pad+args[c]);
}
return output;
}
static char* toLower(char* str) {
for(int i = 0; str[i]; i++){
str[i] = std::tolower(str[i]);
}
return str;
}
static std::string toLower(std::string str) {
std::transform(str.begin(), str.end(), str.begin(), [](unsigned char c){ return std::tolower(c); });
return str;
}
static char* trim(char *str) {
char *end;
while(isspace(*str))
str++;
if(*str == 0)
return str;
end = str + strnlen(str, 128) - 1;
while(end > str && isspace(*end))
end--;
*(end+1) = '\0';
return str;
}
#endif