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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#include <stdio.h>
#include <windows.h>
#include <Logger.h>
#include "palclr.h"
void Logger::Enable() {
m_isEnabled = true;
}
void Logger::Disable() {
m_isEnabled = false;
}
void print(const wchar_t *val) {
// If val is longer than 2048 characters, wprintf will refuse to print it.
// So write it in chunks.
const size_t chunkSize = 1024;
wchar_t chunk[chunkSize];
auto valLength = ::wcslen(val);
for (size_t i = 0 ; i < valLength ; i += chunkSize) {
::wcsncpy_s(chunk, chunkSize, val + i, _TRUNCATE);
::wprintf(W("%s"), chunk);
}
}
Logger& Logger::operator<< (bool val) {
if (m_isEnabled) {
if (val) {
EnsurePrefixIsPrinted();
print(W("true"));
} else {
EnsurePrefixIsPrinted();
print(W("false"));
}
}
return *this;
}
Logger& Logger::operator<< (int val) {
if (m_isEnabled) {
EnsurePrefixIsPrinted();
::wprintf(W("%d"), val);
}
return *this;
}
#ifdef _MSC_VER
Logger& Logger::operator<< (long val) {
if (m_isEnabled) {
EnsurePrefixIsPrinted();
::wprintf(W("%d"), val);
}
return *this;
}
Logger& Logger::operator<< (unsigned long val) {
if (m_isEnabled) {
EnsurePrefixIsPrinted();
::wprintf(W("%d"), val);
}
return *this;
}
#endif
Logger& Logger::operator<< (const wchar_t *val) {
if (m_isEnabled) {
EnsurePrefixIsPrinted();
print(val);
}
return *this;
}
Logger& Logger::operator<< (Logger& ( *pf )(Logger&)) {
if (m_isEnabled) {
return pf(*this);
} else {
return *this;
}
}
void Logger::EnsurePrefixIsPrinted() {
if (this->m_isEnabled && this->m_prefixRequired) {
print(W(" HOSTLOG: "));
m_prefixRequired = false;
}
}
// Manipulators
// Newline
Logger& Logger::endl (Logger& log) {
if (log.m_isEnabled) {
log.EnsurePrefixIsPrinted();
print(W("\r\n"));
log.m_prefixRequired = true;
log.m_formatHRESULT = false;
}
return log;
}
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