Files
op-pedal/src/LogFeature.cpp
T
Robin E.R. Davies 4358866265 Copyright scrub
2026-06-02 13:18:02 -04:00

148 lines
3.4 KiB
C++

// Copyright (c) Robin E.R. Davies
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "LogFeature.hpp"
#include <mutex>
#include <cstdio>
#include "Lv2Log.hpp"
using namespace pipedal;
using namespace std;
int LogFeature::printfFn(LV2_Log_Handle handle, LV2_URID type, const char* fmt, ...)
{
va_list va;
va_start(va, fmt);
LogFeature* logFeature = (LogFeature*)handle;
return logFeature->vprintf(type, fmt, va);
}
int LogFeature::vprintfFn(LV2_Log_Handle handle,
LV2_URID type,
const char* fmt,
va_list ap)
{
LogFeature* logFeature = (LogFeature*)handle;
return logFeature->vprintf(type, fmt, ap);
}
int LogFeature::vprintf(LV2_URID type,const char*fmt, va_list va)
{
std::lock_guard<std::mutex> guard(logMutex);
int result = 0;
if (this->logMessageListener)
{
const char* prefix = "";
char buffer[1024];
strcpy(buffer,messagePrefix.c_str());
char *p = buffer+messagePrefix.length();
result = vsnprintf(p, sizeof(buffer)-messagePrefix.length(), fmt, va);
buffer[sizeof(buffer)-1] = '\0';
// strip trailing \n
size_t len = strlen(buffer);
if (len != 0 && buffer[len-1] == '\n')
{
buffer[len-1] = '\0';
}
if (type == uris.ridError)
{
logMessageListener->OnLogError(buffer);
}
else if (type == uris.ridWarning)
{
logMessageListener->OnLogWarning(buffer);
}
else if (type == uris.ridNote)
{
logMessageListener->OnLogInfo(buffer);
}
else if (type == uris.ridTrace)
{
logMessageListener->OnLogDebug(buffer);
}
else {
logMessageListener->OnLogInfo(buffer);
}
}
return result;
}
LogFeature::LogFeature()
{
feature.URI = LV2_LOG__log;
feature.data = &log;
log.handle = (void*)this;
log.printf = printfFn;
log.vprintf = vprintfFn;
}
void LogFeature::Prepare(MapFeature*map, const std::string &messagePrefix, LogMessageListener*listener)
{
uris.Map(map);
this->messagePrefix = messagePrefix;
this->logMessageListener = listener;
}
void LogFeature::LogError(const char*fmt,...)
{
va_list va;
va_start(va, fmt);
vprintf(uris.ridError,fmt,va);
}
void LogFeature::LogWarning(const char*fmt,...)
{
va_list va;
va_start(va, fmt);
vprintf(uris.ridWarning,fmt,va);
}
void LogFeature::LogNote(const char*fmt,...)
{
va_list va;
va_start(va, fmt);
vprintf(uris.ridNote,fmt,va);
}
void LogFeature::LogTrace(const char*fmt,...)
{
{
va_list va;
va_start(va, fmt);
vprintf(uris.ridNote,fmt,va);
}
}