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#include "clCommandProcessor.h"
#include "cl_command_event.h"
#include "processreaderthread.h"
wxDEFINE_EVENT(wxEVT_COMMAND_PROCESSOR_ENDED, clCommandEvent);
wxDEFINE_EVENT(wxEVT_COMMAND_PROCESSOR_OUTPUT, clCommandEvent);
clCommandProcessor::clCommandProcessor(const wxString& command, const wxString& wd, size_t processFlags)
: m_next(NULL)
, m_prev(NULL)
, m_process(NULL)
, m_command(command)
, m_workingDirectory(wd)
, m_processFlags(processFlags)
, m_postExecCallback(NULL)
, m_obj(NULL)
{
Bind(wxEVT_ASYNC_PROCESS_OUTPUT, &clCommandProcessor::OnProcessOutput, this);
Bind(wxEVT_ASYNC_PROCESS_TERMINATED, &clCommandProcessor::OnProcessTerminated, this);
}
clCommandProcessor::~clCommandProcessor() { wxDELETE(m_process); }
void clCommandProcessor::ExecuteCommand()
{
wxString message;
message << _("Executing: ") << m_command << " [ wd: " << m_workingDirectory << " ]";
clCommandEvent eventStart(wxEVT_COMMAND_PROCESSOR_OUTPUT);
eventStart.SetString(message);
GetFirst()->ProcessEvent(eventStart);
m_output.Clear();
m_process = ::CreateAsyncProcess(this, m_command, m_processFlags, m_workingDirectory);
if(!m_process) {
clCommandEvent eventEnd(wxEVT_COMMAND_PROCESSOR_ENDED);
eventEnd.SetString(wxString::Format(_("Failed to execute command: %s"), m_command));
GetFirst()->ProcessEvent(eventEnd);
DeleteChain();
}
m_process->SetHardKill(true);
}
void clCommandProcessor::OnProcessOutput(clProcessEvent& event)
{
clCommandEvent eventStart(wxEVT_COMMAND_PROCESSOR_OUTPUT);
m_output << event.GetOutput();
eventStart.SetString(event.GetOutput());
GetFirst()->ProcessEvent(eventStart);
if(eventStart.GetString() != event.GetOutput()) {
// user provided some input, write it to the running process
m_process->WriteToConsole(eventStart.GetString());
}
}
void clCommandProcessor::OnProcessTerminated(clProcessEvent& event)
{
if(m_obj && m_postExecCallback) {
// Call the user callback, if the user returns false
// stop the processor
if(!(m_obj->*m_postExecCallback)(this)) {
clCommandEvent eventEnd(wxEVT_COMMAND_PROCESSOR_ENDED);
GetFirst()->ProcessEvent(eventEnd);
DeleteChain();
return;
}
}
if(m_next) {
wxDELETE(m_process);
// more commands, don't report an 'END' event
m_next->ExecuteCommand();
} else {
// no more commands to execute, delete the entire chain
clCommandEvent eventEnd(wxEVT_COMMAND_PROCESSOR_ENDED);
GetFirst()->ProcessEvent(eventEnd);
DeleteChain();
}
}
clCommandProcessor* clCommandProcessor::Link(clCommandProcessor* next)
{
this->m_next = next;
if(m_next) {
m_next->m_prev = this;
}
return next;
}
void clCommandProcessor::DeleteChain()
{
// Move to the first one in the list
clCommandProcessor* first = GetFirst();
// delete
while(first) {
clCommandProcessor* next = first->m_next;
wxDELETE(first);
first = next;
}
}
clCommandProcessor* clCommandProcessor::GetFirst()
{
clCommandProcessor* first = this;
while(first->m_prev) {
first = first->m_prev;
}
return first;
}
void clCommandProcessor::Terminate()
{
clCommandProcessor* first = GetFirst();
while(first) {
if(first->m_process) {
first->m_process->Terminate();
break;
}
first = first->m_next;
}
}
clCommandProcessor* clCommandProcessor::GetActiveProcess()
{
clCommandProcessor* first = GetFirst();
while(first) {
if(first->m_process) {
return first;
}
first = first->m_next;
}
return NULL;
}
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