Head

GCC Code Coverage Report
Directory:	src/		Exec	Total	Coverage
File:	src/utils/stringutils.cpp	Lines:	623	636	98.0 %
Date:	2021-03-17	Branches:	472	564	83.7 %

/*
 *  The ManaPlus Client
 *  Copyright (C) 2007-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2019  The ManaPlus Developers
 *  Copyright (C) 2019-2021  Andrei Karas
 *
 *  This file is part of The ManaPlus Client.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "utils/stringutils.h"

#include "const/utils/utf8.h"

#ifdef DYECMD
#include "utils/cast.h"
#else  // DYECMD
#include "resources/iteminfo.h"
#include "resources/db/itemdb.h"
#endif  // DYECMD

#include "utils/gettext.h"
#include "utils/foreach.h"

#include <algorithm>
#include <sstream>

#ifdef WIN32
#include <sys/time.h>
#endif  // WIN32

#include "debug.h"

std::string &trim(std::string &str)
{
    size_t pos = str.find_last_not_of(' ');
    if (pos != std::string::npos)
    {
        str.erase(pos + 1);
        pos = str.find_first_not_of(' ');

        if (pos != std::string::npos)
            str.erase(0, pos);
    }
    else
    {
        // There is nothing else but whitespace in the string
        str.clear();
    }
    return str;
}

std::string &toLower(std::string &str)
{
    std::transform(str.begin(), str.end(), str.begin(), &tolower);
    return str;
}

std::string &toUpper(std::string &str)
{
    std::transform(str.begin(), str.end(), str.begin(), &toupper);
    return str;
}

unsigned int atox(const std::string &str)
{
    unsigned int value = 0;
    if (sscanf(str.c_str(), "0x%06x", &value) != 0)
        return value;
    return 0;
}

const char *ipToString(const uint32_t address)
{
    static char asciiIP[18];

    snprintf(asciiIP, sizeof(asciiIP), "%i.%i.%i.%i",
            CAST_U8(address),
            CAST_U8(address >> 8),
            CAST_U8(address >> 16),
            CAST_U8(address >> 24));
    asciiIP[17] = 0;

    return asciiIP;
}

std::string strprintf(const char *const format, ...)
{
    char buf[257];
    va_list args;
    va_start(args, format);
    size_t nb = vsnprintf(buf, 256, format, args);
    buf[256] = 0;
    va_end(args);
    if (nb < 256)
        return buf;

    // The static size was not big enough, try again with a dynamic allocation.
    ++nb;
    char *buf2 = new char[nb];
    va_start(args, format);
    vsnprintf(buf2, nb, format, args);
    va_end(args);
    std::string res(buf2);
    delete [] buf2;
    return res;
}

std::string removeColors(std::string msg)
{
    for (unsigned int f = 0; f < msg.length() - 2 && msg.length() > 2; f++)
    {
        while (msg.length() > f + 2 && msg.at(f) == '#'
               && msg.at(f + 1) == '#')
        {
            msg = msg.erase(f, 3);
        }
    }
    return msg;
}

int compareStrI(const std::string &a, const std::string &b)
{
    std::string::const_iterator itA = a.begin();
    const std::string::const_iterator endA = a.end();
    std::string::const_iterator itB = b.begin();
    const std::string::const_iterator endB = b.end();

    for (; itA < endA && itB < endB; ++itA, ++itB)
    {
        const int comp = tolower(*itA) - tolower(*itB);
        if (comp != 0)
            return comp;
    }

    // Check string lengths
    if (itA == endA && itB == endB)
        return 0;
    else if (itA == endA)
        return -1;
    else
        return 1;
}

const std::string findSameSubstring(const std::string &restrict str1,
                                    const std::string &restrict str2)
{
    const int minLength = str1.length() > str2.length()
        ? CAST_S32(str2.length()) : CAST_S32(str1.length());
    for (int f = 0; f < minLength; f ++)
    {
        if (str1.at(f) != str2.at(f))
            return str1.substr(0, f);
    }
    return str1.substr(0, minLength);
}

const std::string findSameSubstringI(const std::string &restrict s1,
                                     const std::string &restrict s2)
{
    std::string str1 = s1;
    std::string str2 = s2;
    toLower(str1);
    toLower(str2);

    const size_t minLength = str1.length() > str2.length()
        ? str2.length() : str1.length();
    for (size_t f = 0; f < minLength; f ++)
    {
        if (str1.at(f) != str2.at(f))
            return s1.substr(0, f);
    }
    return s1.substr(0, minLength);
}

size_t findI(std::string str, std::string subStr)
{
    str = toLower(str);
    subStr = toLower(subStr);
    return str.find(subStr);
}

size_t findI(std::string text, const StringVect &list)
{
    toLower(text);
    FOR_EACH (StringVectCIter, i, list)
    {
        std::string subStr = *i;
        subStr = toLower(subStr);
        const size_t idx = text.find(subStr);
        if (idx != std::string::npos)
            return idx;
    }
    return std::string::npos;
}

size_t findAny(const std::string &restrict text,
               const std::string &restrict chars,
               const size_t pos)
{
    size_t idx = std::string::npos;
    const size_t sz = chars.size();
    for (size_t f = 0; f < sz; f ++)
    {
        const size_t idx2 = text.find(chars[f], pos);
        if (idx2 != std::string::npos && idx2 < idx)
            idx = idx2;
    }
    return idx;
}

namespace
{
    unsigned int base = 94;
    unsigned int start = 33;
}  // namespace

const std::string encodeStr(unsigned int value, const unsigned int size)
{
    std::string buf;

    do
    {
        buf += CAST_S8(value % base + start);
        value /= base;
    }
    while (value != 0U);

    while (buf.length() < size)
        buf += CAST_S8(start);
    return buf;
}


unsigned int decodeStr(const std::string &str)
{
    if (str.empty())
        return 0;

    int res = str[0] - start;
    int mult = 1;
    for (size_t f = 1; f < str.length(); f ++)
    {
        mult *= base;
        res = res + (str[f] - start) * mult;
    }
    return res;
}

std::string extractNameFromSprite(std::string str)
{
    const size_t pos1 = str.rfind('.');
    if (pos1 != std::string::npos)
    {
        size_t pos2 = str.rfind('/');
        const size_t pos3 = str.rfind('\\');
        if (pos3 != std::string::npos)
        {
            if (pos2 == std::string::npos || pos3 > pos2)
                pos2 = pos3;
        }
        if (pos2 == std::string::npos)
            pos2 = CAST_SIZE(-1);

        const int size = CAST_S32(pos1) - CAST_S32(pos2) - 1;
        if (size > 0)
            str = str.substr(pos2 + 1, size);
    }
    return str;
}

std::string removeSpriteIndex(std::string str)
{
    const size_t pos1 = str.rfind('[');

    if (pos1 != std::string::npos)
    {
        size_t pos2 = str.rfind('/');
        const size_t pos3 = str.rfind('\\');
        if (pos3 != std::string::npos)
        {
            if (pos2 == std::string::npos || pos3 > pos2)
                pos2 = pos3;
        }
        if (pos2 == std::string::npos)
            pos2 = CAST_SIZE(-1);

        const int size = CAST_S32(pos1) - CAST_S32(pos2) - 1;
        if (size > 0)
            str = str.substr(pos2 + 1, size);
    }
    return str;
}

const char* getSafeUtf8String(const std::string &text)
{
    const size_t sz = text.size();
    const size_t size = sz + UTF8_MAX_SIZE;
    char *const buf = new char[size];
    memcpy(buf, text.c_str(), sz);
    memset(buf + sz, 0, UTF8_MAX_SIZE);
    return buf;
}

void getSafeUtf8String(std::string text, char *const buf)
{
    if (buf == nullptr)
        return;
    const size_t sz = text.size();
    const size_t size = sz + UTF8_MAX_SIZE;
    if (size > 65500)
    {
        text = text.substr(0, 65500);
        const size_t sz1 = text.size();
        memcpy(buf, text.c_str(), sz1);
        memset(buf + sz1, 0, UTF8_MAX_SIZE);
    }
    else
    {
        memcpy(buf, text.c_str(), sz);
        memset(buf + sz, 0, UTF8_MAX_SIZE);
    }
}

std::string getFileName(const std::string &path)
{
    size_t pos1 = path.rfind('/');
    const size_t pos2 = path.rfind('\\');
    if (pos1 == std::string::npos ||
        (pos2 != std::string::npos && pos2 > pos1))
    {
        pos1 = pos2;
    }

    if (pos1 == std::string::npos)
        return path;
    return path.substr(pos1 + 1);
}

std::string getFileDir(const std::string &path)
{
    size_t pos1 = path.rfind('/');
    const size_t pos2 = path.rfind('\\');
    if (pos1 == std::string::npos ||
        (pos2 != std::string::npos && pos2 > pos1))
    {
        pos1 = pos2;
    }

    if (pos1 == std::string::npos)
        return path;
    return path.substr(0, pos1);
}

std::string& replaceAll(std::string& context,
                        const std::string &restrict from,
                        const std::string &restrict to)
{
    if (from.empty())
        return context;
    size_t lookHere = 0;
    size_t foundHere;
    const size_t fromSize = from.size();
    const size_t toSize = to.size();
    while ((foundHere = context.find(from, lookHere)) != std::string::npos)
    {
        context.replace(foundHere, fromSize, to);
        lookHere = foundHere + toSize;
    }
    return context;
}

void replaceRecursiveAll(std::string& context,
                         const std::string &restrict from,
                         const char to)
{
    size_t lookHere = 0;
    size_t foundHere;
    const size_t fromSize = from.size();
    while ((foundHere = context.find(from, lookHere)) != std::string::npos)
    {
        context.replace(foundHere, fromSize, 1, to);
        lookHere = foundHere;
    }
}

bool getBoolFromString(const std::string &text)
{
    std::string txt = text;
    toLower(trim(txt));
    if (txt == "true" || txt == "yes" || txt == "on" || txt == "1")
        return true;
    else if (txt == "false" || txt == "no" || txt == "off" || txt == "0")
        return false;
    else
        return static_cast<bool>(atoi(txt.c_str()));
}

void replaceSpecialChars(std::string &text)
{
    size_t pos1 = text.find('&');
    while (pos1 != std::string::npos)
    {
        const size_t idx = pos1 + 1;
        const size_t sz = text.size();
        if (idx >= sz)
            break;

        size_t f;
        for (f = idx; f < sz; f ++)
        {
            if (text[f] < '0' || text[f] > '9')
                break;
        }
        if (idx + 1 < f && text[f] == ';')
        {
            std::string str(" ");
            str[0] = CAST_S8(atoi(text.substr(
                idx, f - idx).c_str()));
            text = text.substr(0, pos1).append(str).append(text.substr(f + 1));
            pos1 += 1;
        }
        else
        {
            pos1 = f + 1;
        }

        pos1 = text.find('&', pos1);
    }
}

std::string normalize(const std::string &name)
{
    std::string normalized = name;
    return toLower(trim(normalized));
}

void splitToIntSet(std::set<int> &tokens,
                   const std::string &text,
                   const char separator)
{
    std::stringstream ss(text);
    std::string item;
    while (std::getline(ss, item, separator))
        tokens.insert(atoi(item.c_str()));
}

std::list<int> splitToIntList(const std::string &text,
                              const char separator)
{
    std::list<int> tokens;
    std::stringstream ss(text);
    std::string item;
    while (std::getline(ss, item, separator))
        tokens.push_back(atoi(item.c_str()));

    return tokens;
}

std::list<std::string> splitToStringList(const std::string &text,
                                         const char separator)
{
    std::list<std::string> tokens;
    std::stringstream ss(text);
    std::string item;
    while (std::getline(ss, item, separator))
        tokens.push_back(item);

    return tokens;
}

void splitToStringVector(StringVect &tokens,
                         const std::string &text,
                         const char separator)
{
    std::stringstream ss(text);
    std::string item;
    while (std::getline(ss, item, separator))
    {
        item = trim(item);
        if (!item.empty())
            tokens.push_back(item);
    }
}

void splitToStringSet(std::set<std::string> &tokens,
                      const std::string &text,
                      const char separator)
{
    std::stringstream ss(text);
    std::string item;
    while (std::getline(ss, item, separator))
    {
        item = trim(item);
        if (!item.empty())
            tokens.insert(item);
    }
}

void splitToIntVector(STD_VECTOR<int> &tokens,
                      const std::string &text,
                      const char separator)
{
    std::stringstream ss(text);
    std::string item;
    while (std::getline(ss, item, separator))
    {
        item = trim(item);
        if (!item.empty())
            tokens.push_back(atoi(item.c_str()));
    }
}

std::string combineDye(std::string file,
                       const std::string &dye)
{
    if (dye.empty())
        return file;
    const size_t pos = file.find_last_of('|');
    if (pos != std::string::npos)
        return file.substr(0, pos).append("|").append(dye);
    return file.append("|").append(dye);
}

std::string combineDye2(std::string file,
                        const std::string &dye)
{
    if (dye.empty())
        return file;

    const size_t pos = file.find_last_of('|');
    if (pos != std::string::npos)
    {
        const std::string dye1 = file.substr(pos + 1);
        std::string str;
        file = file.substr(0, pos);
        const std::list<std::string> list1 = splitToStringList(dye1, ';');
        const std::list<std::string> list2 = splitToStringList(dye, ';');
        for (std::list<std::string>::const_iterator it1 = list1.begin(),
             it2 = list2.begin(), it1_end = list1.end(), it2_end = list2.end();
             it1 != it1_end && it2 != it2_end; ++it1, ++it2)
        {
            str.append(*it1).append(":").append(*it2).append(";");
        }
        return file.append("|").append(str);
    }
    return file;
}

std::string combineDye3(std::string file,
                        const std::string &dye)
{
    if (dye.empty())
        return file;

    const size_t pos = file.find_last_of('|');
    if (pos != std::string::npos)
    {
        const std::string dye1 = file.substr(pos + 1);
        std::string str;
        file = file.substr(0, pos);
        const std::list<std::string> list1 = splitToStringList(dye1, ';');
        const std::list<std::string> list2 = splitToStringList(dye, ';');
        for (std::list<std::string>::const_iterator it1 = list1.begin(),
             it2 = list2.begin(), it1_end = list1.end(), it2_end = list2.end();
             it1 != it1_end && it2 != it2_end; ++it1, ++it2)
        {
            str.append(*it1).append(":").append(*it2).append(";");
        }
        return file.append("|").append(str);
    }
    if (file.empty())
        return file;
    return file.append("|").append(dye);
}

std::string packList(const std::list<std::string> &list)
{
    std::list<std::string>::const_iterator i = list.begin();
    std::string str;
    while (i != list.end())
    {
        str.append(*i).append("|");
        ++ i;
    }
    const size_t sz = str.size();
    if (sz > 1)
        str = str.substr(0, sz - 1);
    return str;
}

std::list<std::string> unpackList(const std::string &str)
{
    return splitToStringList(str, '|');
}

std::string stringToHexPath(const std::string &str)
{
    if (str.empty())
        return "";

    std::string hex = strprintf("%%%2x/", CAST_U32(str[0]));
    for (unsigned f = 1, fsz = CAST_U32(str.size());
         f < fsz; f ++)
    {
        hex.append(strprintf("%%%2x", CAST_U32(str[f])));
    }
    return hex;
}

void deleteCharLeft(std::string &str,
                    unsigned *const pos)
{
    if (pos == nullptr)
        return;

    while (*pos > 0)
    {
        (*pos)--;
        const int v = str[*pos];
        str.erase(*pos, 1);
        if ((v & 192) != 128)
            break;
    }
}

bool findLast(const std::string &restrict str1,
              const std::string &restrict str2)
{
    const size_t s1 = str1.size();
    const size_t s2 = str2.size();
    if (s1 < s2)
        return false;
    if (str1.substr(s1 - s2) == str2)
        return true;
    return false;
}

bool findFirst(const std::string &restrict str1,
               const std::string &restrict str2)
{
    const size_t s1 = str1.size();
    const size_t s2 = str2.size();
    if (s1 < s2)
        return false;
    if (str1.substr(0, s2) == str2)
        return true;
    return false;
}

bool findCutLast(std::string &restrict str1,
                 const std::string &restrict str2)
{
    const size_t s1 = str1.size();
    const size_t s2 = str2.size();
    if (s1 < s2)
        return false;
    if (str1.substr(s1 - s2) == str2)
    {
        str1 = str1.substr(0, s1 - s2);
        return true;
    }
    return false;
}

void cutLast(std::string &restrict str1,
             const std::string &restrict str2)
{
    const size_t s1 = str1.size();
    const size_t s2 = str2.size();
    if (s1 < s2)
        return;
    if (str1.substr(s1 - s2) == str2)
        str1 = str1.substr(0, s1 - s2);
}

bool findCutFirst(std::string &restrict str1,
                  const std::string &restrict str2)
{
    const size_t s1 = str1.size();
    const size_t s2 = str2.size();
    if (s1 < s2)
        return false;
    if (str1.substr(0, s2) == str2)
    {
        str1 = str1.substr(s2);
        return true;
    }
    return false;
}

void cutFirst(std::string &restrict str1,
              const std::string &restrict str2)
{
    const size_t s1 = str1.size();
    const size_t s2 = str2.size();
    if (s1 < s2)
        return;
    if (str1.substr(0, s2) == str2)
        str1 = str1.substr(s2);
}

std::string &removeProtocol(std::string &url)
{
    const size_t i = url.find("://");
    if (i != std::string::npos)
        url = url.substr(i + 3);
    return url;
}

bool strStartWith(const std::string &restrict str1,
                  const std::string &restrict str2)
{
    const size_t sz2 = str2.size();
    if (str1.size() < sz2)
        return false;
    return str1.substr(0, sz2) == str2;
}

std::string getDateString()
{
    char buffer[80];
    time_t rawtime;
    time(&rawtime);
    const tm *const timeinfo = localtime(&rawtime);

    strftime(buffer, 79, "%Y-%m-%d", timeinfo);
    return std::string(buffer);
}

std::string getDateTimeString()
{
    char buffer[80];
    time_t rawtime;
    time(&rawtime);
    const tm *const timeinfo = localtime(&rawtime);

    strftime(buffer, 79, "%Y-%m-%d %H:%M:%S", timeinfo);
    return std::string(buffer);
}

signed char parseBoolean(const std::string &value)
{
    std::string txt = value;
    toLower(trim(txt));
    if (txt == "true" || txt == "yes" || txt == "on" || txt == "1")
        return 1;
    else if (txt == "false" || txt == "no" || txt == "off" || txt == "0")
        return 0;
    else
        return -1;
}

std::string encodeLinkText(std::string data)
{
    return replaceAll(data, "|", "\342\235\230");
}

std::string decodeLinkText(std::string data)
{
    return replaceAll(data, "\342\235\230", "|");
}

std::string toStringPrint(const unsigned int val)
{
    static char str[100];
    snprintf(str, sizeof(str), "%u 0x%x", val, val);
    str[99] = 0;
    return str;
}

std::string toString(uint32_t num)
{
    char buf[30];
    buf[29] = '\0';
    size_t idx = 28;
    do
        buf[idx--] = CAST_8((num % 10) + '0');
    while ((num /= 10) != 0);
    return buf + idx + 1;
}

std::string toString(uint64_t num)
{
    char buf[100];
    buf[99] = '\0';
    size_t idx = 98;
    do
        buf[idx--] = CAST_8((num % 10) + '0');
    while ((num /= 10) != 0);
    return buf + idx + 1;
}

std::string toString(uint16_t num)
{
    char buf[10];
    buf[9] = '\0';
    size_t idx = 8;
    do
        buf[idx--] = CAST_8((num % 10) + '0');
    while ((num /= 10) != 0);
    return buf + idx + 1;
}

std::string toString(unsigned char num)
{
    char buf[5];
    buf[4] = '\0';
    size_t idx = 3;
    do
        buf[idx--] = CAST_8((num % 10) + '0');
    while ((num /= 10) != 0);
    return buf + idx + 1;
}

std::string toString(int32_t num)
{
    char buf[30];
    bool useSign(false);
    buf[29] = '\0';
    size_t idx = 28;

    if (num < 0)
    {
        useSign = true;
        num = -num;
    }
    do
        buf[idx--] = CAST_8((num % 10) + '0');
    while ((num /= 10) != 0);
    if (useSign)
        buf[idx--] = '-';
    return buf + idx + 1;
}

std::string toString(const float num)
{
    return strprintf("%f", num);
}

std::string toString(const double num)
{
    return strprintf("%f", static_cast<float>(num));
}

bool isDigit(const std::string &str)
{
    if (str.empty())
        return false;
    const size_t sz = str.size();
    for (size_t f = 0; f < sz; f ++)
    {
        const char &chr = str[f];
        if (chr < '0' || chr > '9')
            return false;
    }
    return true;
}

void secureChatCommand(std::string &str)
{
    if (str[0] == '/' || str[0] == '@' || str[0] == '#')
        str = "_" + str;
}

bool parse2Int(const std::string &args,
               int &x,
               int &y)
{
    bool isValid = false;
    size_t pos = args.find(' ');
    if (pos == std::string::npos)
        pos = args.find(',');
    if (pos != std::string::npos)
    {
        if (pos + 1 < args.length())
        {
            x = atoi(args.substr(0, pos).c_str());
            y = atoi(args.substr(pos + 1, args.length()).c_str());
            isValid = true;
        }
    }
    return isValid;
}

bool parse2Str(const std::string &args,
               std::string &str1,
               std::string &str2)
{
    bool isValid = false;
    size_t pos = args.find(' ');
    if (pos == std::string::npos)
        pos = args.find(',');
    if (pos != std::string::npos)
    {
        if (pos + 1 < args.length())
        {
            str1 = args.substr(0, pos);
            str2 = args.substr(pos + 1, args.length());
            isValid = true;
        }
    }
    return isValid;
}

uint32_t parseNumber(const std::string &str)
{
    uint32_t i = 0;
    int idx = 0;
    if (strStartWith(str, "0x"))
        idx = 2;
    else if (str[0] == 'h' || str[0] == 'x')
        idx = 1;
    if (idx > 0)
        sscanf(str.substr(idx).c_str(), "%10x", &i);
    else
        i = atoi(str.c_str());
    return i;
}

std::string removeToken(std::string &str,
                        const std::string &token)
{
    const size_t idx = str.find(token);
    if (idx > 0 && idx != std::string::npos)
        str = str.substr(idx + 1);
    else
        str.clear();
    return str;
}

std::string timeToStr(const uint32_t time)
{
    char buf[101];
    const time_t tempTime = time;
    tm *const timeInfo = localtime(&tempTime);
    if (strftime(&buf[0], 100, "%Y-%m-%d_%H-%M-%S", timeInfo) != 0U)
        return std::string(buf);
    return "unknown";
}

std::string timeDiffToString(int timeDiff)
{
    std::string str;

    const int weeks = timeDiff / 60 / 60 / 24 / 7;
    if (weeks > 0)
    {
        // TRANSLATORS: uptime command
        str = strprintf(ngettext(N_("%d week"), N_("%d weeks"),
            weeks), weeks);
        timeDiff -= weeks * 60 * 60 * 24 * 7;
    }

    const int days = timeDiff / 60 / 60 / 24;
    if (days > 0)
    {
        if (!str.empty())
            str.append(", ");
        // TRANSLATORS: uptime command
        str.append(strprintf(ngettext(N_("%d day"), N_("%d days"),
            days), days));
        timeDiff -= days * 60 * 60 * 24;
    }
    const int hours = timeDiff / 60 / 60;
    if (hours > 0)
    {
        if (!str.empty())
            str.append(", ");
        // TRANSLATORS: uptime command
        str.append(strprintf(ngettext(N_("%d hour"), N_("%d hours"),
            hours), hours));
        timeDiff -= hours * 60 * 60;
    }
    const int min = timeDiff / 60;
    if (min > 0)
    {
        if (!str.empty())
            str.append(", ");
        // TRANSLATORS: uptime command
        str.append(strprintf(ngettext(N_("%d minute"), N_("%d minutes"),
            min), min));
        timeDiff -= min * 60;
    }

    if (timeDiff > 0)
    {
        if (!str.empty())
            str.append(", ");
        // TRANSLATORS: uptime command
        str.append(strprintf(ngettext(N_("%d second"), N_("%d seconds"),
            timeDiff), timeDiff));
    }
    if (str.empty())
    {
        // TRANSLATORS: uptime command
        str.append(strprintf(ngettext(N_("%d second"), N_("%d seconds"),
            0), 0));
    }
    return str;
}

std::string escapeString(std::string str)
{
    replaceAll(str, "\"", "\\\"");
    return "\"" + str + "\"";
}

void sanitizePath(std::string &path)
{
#ifdef WIN32
    const char sepStr = '\\';
    const std::string sep2Str = "\\\\";
    const std::string sepWrongStr = "/";
#else
    const char sepStr = '/';
    const std::string sep2Str = "//";
    const std::string sepWrongStr = "\\";
#endif
    replaceRecursiveAll(path, sepWrongStr, sepStr);
    replaceRecursiveAll(path, sep2Str, sepStr);
}

std::string pathJoin(std::string str1,
                     const std::string &str2)
{
#ifdef WIN32
    const char sep = '\\';
    std::string sepStr = "\\";
#else
    const char sep = '/';
    std::string sepStr = "/";
#endif

    if (str1.empty())
    {
        if (str2[0] == sep)
            return str2;
        return sepStr.append(str2);
    }
    const size_t sz1 = str1.size();
    if (str2.empty())
    {
        if (str1[sz1 - 1] == sep)
            return str1;
        return str1.append(sepStr);
    }
    if (str1[sz1 - 1] == sep)
    {
        if (str2[0] == sep)
            return str1.append(str2.substr(1));
        return str1.append(str2);
    }
    else
    {
        if (str2[0] == sep)
            return str1.append(str2);
        return str1.append(sepStr).append(str2);
    }
}

std::string pathJoin(std::string str1,
                     const std::string &str2,
                     const std::string &str3)
{
#ifdef WIN32
    const char sep = '\\';
    std::string sepStr = "\\";
#else
    const char sep = '/';
    std::string sepStr = "/";
#endif

    if (str1.empty())
    {
        return pathJoin(str2, str3);
    }
    size_t sz1 = str1.size();
    if (str2.empty())
    {
        return pathJoin(str1, str3);
    }
    if (str3.empty())
    {
        return pathJoin(str1, str2);
    }
    if (str1[sz1 - 1] == sep)
    {
        if (str2[0] == sep)
            str1.append(str2.substr(1));
        else
            str1.append(str2);
    }
    else
    {
        if (str2[0] == sep)
            str1.append(str2);
        else
            str1.append(sepStr).append(str2);
    }

    sz1 = str1.size();
    if (str1[sz1 - 1] == sep)
    {
        if (str3[0] == sep)
            return str1.append(str3.substr(1));
        return str1.append(str3);
    }
    else
    {
        if (str3[0] == sep)
            return str1.append(str3);
        return str1.append(sepStr).append(str3);
    }
}

std::string urlJoin(std::string str1,
                    const std::string &str2)
{
    const char sep = '/';
    std::string sepStr = "/";

    if (str1.empty())
    {
        if (str2[0] == sep)
            return str2;
        return sepStr.append(str2);
    }
    const size_t sz1 = str1.size();
    if (str2.empty())
    {
        if (str1[sz1 - 1] == sep)
            return str1;
        return str1.append(sepStr);
    }
    if (str1[sz1 - 1] == sep)
    {
        if (str2[0] == sep)
            return str1.append(str2.substr(1));
        return str1.append(str2);
    }
    else
    {
        if (str2[0] == sep)
            return str1.append(str2);
        return str1.append(sepStr).append(str2);
    }
}

size_t rfindSepatator(const std::string &str1)
{
    const size_t idx1 = str1.rfind('/');
    const size_t idx2 = str1.rfind('\\');
    if (idx1 != std::string::npos)
    {   // idx1
        if (idx2 != std::string::npos)
        {   // idx1, idx2
            if (idx1 >= idx2)
                return idx1;
            else
                return idx2;
        }
        else
        {   // idx1, not idx2
            return idx1;
        }
    }
    else
    {   // not idx1
        if (idx2 != std::string::npos)
        {   // not idx1, idx2
            return idx2;
        }
        else
        {   // not idx1, not idx2
            return std::string::npos;
        }
    }
}

#ifndef DYECMD
void replaceItemLinks(std::string &msg)
{
    // Check for item link
    size_t start2 = msg.find('[');
    size_t sz = msg.size();
    while (start2 + 1 < sz &&
           start2 != std::string::npos &&
           msg[start2 + 1] != '@')
    {
        const size_t end = msg.find(']', start2);
        if (start2 + 1 != end &&
            end != std::string::npos)
        {
            // Catch multiple embeds and ignore them
            // so it doesn't crash the client.
            while ((msg.find('[', start2 + 1) != std::string::npos) &&
                   (msg.find('[', start2 + 1) < end))
            {
                start2 = msg.find('[', start2 + 1);
            }

            if (start2 + 1 < sz &&
                end < sz &&
                end > start2 + 1)
            {
                std::string itemStr = msg.substr(start2 + 1, end - start2 - 1);

                StringVect parts;
                splitToStringVector(parts, itemStr, ',');
                if (parts.empty())
                    return;

                const ItemInfo &itemInfo = ItemDB::get(parts[0]);
                const int itemId = itemInfo.getId();
                if (itemId != 0)
                {
                    std::string temp = strprintf("@@%d", itemId);
                    std::string name = parts[0];
                    msg.erase(start2 + 1, end - start2 - 1);
                    parts.erase(parts.begin());
                    if (!parts.empty())
                        name.clear();

                    FOR_EACH (StringVectCIter, it, parts)
                    {
                        std:: string str = *it;
                        trim(str);
                        const ItemInfo &itemInfo2 = ItemDB::get(str);
                        const int cardId = itemInfo2.getId();
                        if (cardId != 0)
                            temp.append(strprintf(",%d", cardId));
                    }
                    temp.append("|");
                    temp.append(name);
                    temp.append("@@");
                    msg.insert(start2 + 1, temp);
                    sz = msg.size();
                }
            }
        }
        start2 = msg.find('[', start2 + 1);
    }
}
#else  // DYECMD

void replaceItemLinks(std::string &msg A_UNUSED)
{
}
#endif  // DYECMD

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