fix: use std::size_t instead of size_t

- use C++ size_t from std namespace instead of a version from global namespace

Tested:
- Local build
- Unit-tests

9 files changed, 32 insertions, 21 deletions

diff --git a/include/tgbot/net/HttpServer.h b/include/tgbot/net/HttpServer.h
index 28ea5a3..ccee077 100644
--- a/include/tgbot/net/HttpServer.h
+++ b/include/tgbot/net/HttpServer.h
@@ -1,6 +1,7 @@
 #ifndef TGBOT_HTTPSERVER_H
 #define TGBOT_HTTPSERVER_H
 
+#include <cstddef>
 #include <iostream>
 #include <string>
 #include <utility>
@@ -73,7 +74,7 @@ protected:
                     _socket,
                     *data,
                     "\r\n\r\n",
-                    [self, data](const boost::system::error_code& e, size_t n) {
+                    [self, data](const boost::system::error_code& e, std::size_t n) {
                 if (e) {
                     std::cout << "error in HttpServer::Connection#_readHeader: " << e << std::endl;
                     return;
@@ -97,7 +98,7 @@ protected:
                     boost::asio::async_write(
                             self->_socket,
                             boost::asio::buffer(answer),
-                            [](const boost::system::error_code& e, size_t n) { });
+                            [](const boost::system::error_code& e, std::size_t n) { });
                     return;
                 }
 
@@ -114,7 +115,7 @@ protected:
             boost::asio::async_read(_socket,
                                     *data,
                                     boost::asio::transfer_exactly(size - data->size()),
-                                    [self, data, size, headers](const boost::system::error_code& e, size_t n) {
+                                    [self, data, size, headers](const boost::system::error_code& e, std::size_t n) {
                 if (e) {
                     std::cout << "error in HttpServer::Connection#_readBody: " << e << std::endl;
                     return;
@@ -133,7 +134,7 @@ protected:
                 boost::asio::async_write(
                         self->_socket,
                         boost::asio::buffer(answer),
-                        [](const boost::system::error_code& e, size_t n) { });
+                        [](const boost::system::error_code& e, std::size_t n) { });
 
                 self->_socket.close();
             });
diff --git a/include/tgbot/tools/StringTools.h b/include/tgbot/tools/StringTools.h
index d1bc094..cb26bb5 100644
--- a/include/tgbot/tools/StringTools.h
+++ b/include/tgbot/tools/StringTools.h
@@ -1,6 +1,7 @@
 #ifndef TGBOT_CPP_STRINGTOOLS_H
 #define TGBOT_CPP_STRINGTOOLS_H
 
+#include <cstddef>
 #include <vector>
 #include <string>
 #include <sstream>
@@ -36,7 +37,7 @@ void split(const std::string& str, char delimiter, std::vector<std::string>& des
  * Generates pseudo random string. It's recommended to call srand before this method.
  * @param length Length of resulting string.
  */
-std::string generateRandomString(size_t length);
+std::string generateRandomString(std::size_t length);
 
 /**
  * Performs url encode.
diff --git a/src/EventHandler.cpp b/src/EventHandler.cpp
index 505704d..cd67379 100644
--- a/src/EventHandler.cpp
+++ b/src/EventHandler.cpp
@@ -1,5 +1,7 @@
 #include "tgbot/EventHandler.h"
+
 #include <algorithm>
+#include <cstddef>
 
 using namespace std;
 
@@ -24,9 +26,9 @@ void EventHandler::handleMessage(Message::Ptr message) const {
     _broadcaster.broadcastAnyMessage(message);
 
     if (StringTools::startsWith(message->text, "/")) {
-        size_t splitPosition;
-        size_t spacePosition = message->text.find(' ');
-        size_t atSymbolPosition = message->text.find('@');
+        std::size_t splitPosition;
+        std::size_t spacePosition = message->text.find(' ');
+        std::size_t atSymbolPosition = message->text.find('@');
         if (spacePosition == string::npos) {
             if (atSymbolPosition == string::npos) {
                 splitPosition = message->text.size();
diff --git a/src/net/BoostHttpOnlySslClient.cpp b/src/net/BoostHttpOnlySslClient.cpp
index d0fde8e..836b06a 100644
--- a/src/net/BoostHttpOnlySslClient.cpp
+++ b/src/net/BoostHttpOnlySslClient.cpp
@@ -1,5 +1,7 @@
 #include "tgbot/net/BoostHttpOnlySslClient.h"
 
+#include <cstddef>
+
 #include <boost/asio/ssl.hpp>
 
 using namespace std;
@@ -59,7 +61,7 @@ string BoostHttpOnlySslClient::makeRequest(const Url& url, const vector<HttpReqA
 
     boost::system::error_code error;
     while (!error) {
-        size_t bytes = read(socket, buffer(buff), error);
+        std::size_t bytes = read(socket, buffer(buff), error);
         response += string(buff, bytes);
     }
 
diff --git a/src/net/CurlHttpClient.cpp b/src/net/CurlHttpClient.cpp
index 01115e6..5bd9313 100644
--- a/src/net/CurlHttpClient.cpp
+++ b/src/net/CurlHttpClient.cpp
@@ -2,6 +2,8 @@
 
 #include "tgbot/net/CurlHttpClient.h"
 
+#include <cstddef>
+
 #include <boost/asio/ssl.hpp>
 
 namespace TgBot {
@@ -14,7 +16,7 @@ CurlHttpClient::~CurlHttpClient() {
     curl_easy_cleanup(curlSettings);
 }
 
-static size_t curlWriteString(char* ptr, size_t size, size_t nmemb, void* userdata) {
+static std::size_t curlWriteString(char* ptr, std::size_t size, std::size_t nmemb, void* userdata) {
     static_cast<std::string *>(userdata)->append(ptr, size * nmemb);
     return size * nmemb;
 };
diff --git a/src/net/HttpParser.cpp b/src/net/HttpParser.cpp
index 386a4d9..8006c85 100644
--- a/src/net/HttpParser.cpp
+++ b/src/net/HttpParser.cpp
@@ -1,5 +1,6 @@
 #include "tgbot/net/HttpParser.h"
 
+#include <cstddef>
 #include <cstdint>
 
 #include <boost/algorithm/string.hpp>
@@ -133,10 +134,10 @@ string HttpParser::generateResponse(const string& data, const string& mimeType,
 unordered_map<string, string> HttpParser::parseHeader(const string& data, bool isRequest) const {
     unordered_map<string, string> headers;
 
-    size_t lineStart = 0;
-    size_t lineEnd = 0;
-    size_t lineSepPos = 0;
-    size_t lastLineEnd = string::npos;
+    std::size_t lineStart = 0;
+    std::size_t lineEnd = 0;
+    std::size_t lineSepPos = 0;
+    std::size_t lastLineEnd = string::npos;
     while (lastLineEnd != lineEnd) {
         lastLineEnd = lineEnd;
         bool isFirstLine = lineEnd == 0;
@@ -167,7 +168,7 @@ unordered_map<string, string> HttpParser::parseHeader(const string& data, bool i
 }
 
 string HttpParser::extractBody(const string& data) const {
-    size_t headerEnd = data.find("\r\n\r\n");
+    std::size_t headerEnd = data.find("\r\n\r\n");
     if (headerEnd == string::npos) {
         return data;
     }
diff --git a/src/net/Url.cpp b/src/net/Url.cpp
index c767b47..016a97f 100644
--- a/src/net/Url.cpp
+++ b/src/net/Url.cpp
@@ -1,5 +1,7 @@
 #include "tgbot/net/Url.h"
 
+#include <cstddef>
+
 #include "tgbot/tools/StringTools.h"
 
 using namespace std;
@@ -12,7 +14,7 @@ Url::Url(const string& url) {
     bool isPathParsed = false;
     bool isQueryParsed = false;
 
-    for (size_t i = 0, count = url.length(); i < count; ++i) {
+    for (std::size_t i = 0, count = url.length(); i < count; ++i) {
         char c = url[i];
 
         if (!isProtocolParsed) {
diff --git a/src/tools/StringTools.cpp b/src/tools/StringTools.cpp
index 2d2e24c..1246c50 100644
--- a/src/tools/StringTools.cpp
+++ b/src/tools/StringTools.cpp
@@ -54,11 +54,11 @@ void split(const string& str, char delimiter, vector<string>& dest) {
     }
 }
 
-string generateRandomString(size_t length) {
+string generateRandomString(std::size_t length) {
     static const string chars("qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM1234567890-=[]\\;',./!@#$%^&*()_+{}|:\"<>?`~");
-    static const size_t charsLen = chars.length();
+    static const std::size_t charsLen = chars.length();
     string result;
-    for (size_t i = 0; i < length; ++i) {
+    for (std::size_t i = 0; i < length; ++i) {
         result += chars[rand() % charsLen];
     }
     return result;
@@ -81,7 +81,7 @@ string urlEncode(const string& value, const std::string& additionalLegitChars) {
 
 string urlDecode(const string& value) {
     string result;
-    for (size_t i = 0, count = value.length(); i < count; ++i) {
+    for (std::size_t i = 0, count = value.length(); i < count; ++i) {
         const char c = value[i];
         if (c == '%') {
             int t = 0;
diff --git a/test/utils.h b/test/utils.h
index e49534e..5951550 100644
--- a/test/utils.h
+++ b/test/utils.h
@@ -24,7 +24,7 @@ inline std::string diff(const T& test, const T& expected, std::string (*toString
     typename T::const_iterator end2 = expected.end();
     bool r1, r2;
     std::string s1, s2;
-    size_t i = 0;
+    std::size_t i = 0;
     do {
         r1 = iter1 != end1;
         r2 = iter2 != end2;