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cosmetics.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@20319 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
André Pönitz 2007-09-16 20:58:22 +00:00
parent 6258199fe8
commit 1e62913610
4 changed files with 115 additions and 108 deletions
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173
src/Server.cpp
View File

@ -71,9 +71,18 @@ using std::endl;
using std::string;
/////////////////////////////////////////////////////////////////////
//
// LyXComm
//
/////////////////////////////////////////////////////////////////////
#if !defined (HAVE_MKFIFO)
// We provide a stub class that disables the lyxserver.
LyXComm(std::string const &, Server *, ClientCallbackfct)
{}
void LyXComm::openConnection()
{}
@ -106,41 +115,51 @@ void LyXComm::send(string const & msg)
#else // defined (HAVE_MKFIFO)
LyXComm::LyXComm(std::string const & pip, Server * cli, ClientCallbackfct ccb)
: pipename_(pip), client_(cli), clientcb_(ccb)
{
ready_ = false;
openConnection();
}
void LyXComm::openConnection()
{
LYXERR(Debug::LYXSERVER) << "LyXComm: Opening connection" << endl;
// If we are up, that's an error
if (ready) {
if (ready_) {
lyxerr << "LyXComm: Already connected" << endl;
return;
}
// We assume that we don't make it
ready = false;
ready_ = false;
if (pipename.empty()) {
if (pipename_.empty()) {
LYXERR(Debug::LYXSERVER)
<< "LyXComm: server is disabled, nothing to do"
<< endl;
return;
}
if ((infd = startPipe(inPipeName(), false)) == -1)
infd_ = startPipe(inPipeName(), false);
if (infd_ == -1)
return;
if ((outfd = startPipe(outPipeName(), true)) == -1) {
endPipe(infd, inPipeName(), false);
outfd_ = startPipe(outPipeName(), true);
if (outfd_ == -1) {
endPipe(infd_, inPipeName(), false);
return;
}
if (fcntl(outfd, F_SETFL, O_NONBLOCK) < 0) {
if (fcntl(outfd_, F_SETFL, O_NONBLOCK) < 0) {
lyxerr << "LyXComm: Could not set flags on pipe " << outPipeName()
<< '\n' << strerror(errno) << endl;
return;
}
// We made it!
ready = true;
ready_ = true;
LYXERR(Debug::LYXSERVER) << "LyXComm: Connection established" << endl;
}
@ -150,22 +169,22 @@ void LyXComm::closeConnection()
{
LYXERR(Debug::LYXSERVER) << "LyXComm: Closing connection" << endl;
if (pipename.empty()) {
if (pipename_.empty()) {
LYXERR(Debug::LYXSERVER)
<< "LyXComm: server is disabled, nothing to do"
<< endl;
return;
}
if (!ready) {
if (!ready_) {
lyxerr << "LyXComm: Already disconnected" << endl;
return;
}
endPipe(infd, inPipeName(), false);
endPipe(outfd, outPipeName(), true);
endPipe(infd_, inPipeName(), false);
endPipe(outfd_, outPipeName(), true);
ready = false;
ready_ = false;
}
@ -176,7 +195,7 @@ int LyXComm::startPipe(string const & file, bool write)
lyxerr << "LyXComm: Pipe " << filename << " already exists.\n"
<< "If no other LyX program is active, please delete"
" the pipe by hand and try again." << endl;
pipename.erase();
pipename_.erase();
return -1;
}
@ -184,7 +203,7 @@ int LyXComm::startPipe(string const & file, bool write)
lyxerr << "LyXComm: Could not create pipe " << filename << '\n'
<< strerror(errno) << endl;
return -1;
};
}
int const fd = ::open(filename.toFilesystemEncoding().c_str(),
write ? (O_RDWR) : (O_RDONLY|O_NONBLOCK));
@ -209,9 +228,8 @@ void LyXComm::endPipe(int & fd, string const & filename, bool write)
if (fd < 0)
return;
if (!write) {
if (!write)
theApp()->unregisterSocketCallback(fd);
}
if (::close(fd) < 0) {
lyxerr << "LyXComm: Could not close pipe " << filename
@ -221,7 +239,7 @@ void LyXComm::endPipe(int & fd, string const & filename, bool write)
if (unlink(FileName(filename)) < 0) {
lyxerr << "LyXComm: Could not remove pipe " << filename
<< '\n' << strerror(errno) << endl;
};
}
fd = -1;
}
@ -229,9 +247,9 @@ void LyXComm::endPipe(int & fd, string const & filename, bool write)
void LyXComm::emergencyCleanup()
{
if (!pipename.empty()) {
endPipe(infd, inPipeName(), false);
endPipe(outfd, outPipeName(), true);
if (!pipename_.empty()) {
endPipe(infd_, inPipeName(), false);
endPipe(outfd_, outPipeName(), true);
}
}
@ -239,7 +257,7 @@ void LyXComm::emergencyCleanup()
// Receives messages and sends then to client
void LyXComm::read_ready()
{
// nb! make read_buffer_ a class-member for multiple sessions
// FIXME: make read_buffer_ a class-member for multiple sessions
static string read_buffer_;
read_buffer_.erase();
@ -249,7 +267,7 @@ void LyXComm::read_ready()
errno = 0;
int status;
// the single = is intended here.
while ((status = ::read(infd, charbuf, charbuf_size - 1))) {
while ((status = ::read(infd_, charbuf, charbuf_size - 1))) {
if (status > 0) {
charbuf[status] = '\0'; // turn it into a c string
@ -265,7 +283,7 @@ void LyXComm::read_ready()
<< ", read_buffer_:" << read_buffer_
<< ", cmd:" << cmd << endl;
if (!cmd.empty())
clientcb(client, cmd);
clientcb_(client_, cmd);
//\n or not \n?
}
}
@ -302,12 +320,12 @@ void LyXComm::send(string const & msg)
LYXERR(Debug::LYXSERVER) << "LyXComm: Sending '" << msg << '\'' << endl;
if (pipename.empty()) return;
if (pipename_.empty()) return;
if (!ready) {
if (!ready_) {
lyxerr << "LyXComm: Pipes are closed. Could not send "
<< msg << endl;
} else if (::write(outfd, msg.c_str(), msg.length()) < 0) {
} else if (::write(outfd_, msg.c_str(), msg.length()) < 0) {
lyxerr << "LyXComm: Error sending message: " << msg
<< '\n' << strerror(errno)
<< "\nLyXComm: Resetting connection" << endl;
@ -321,38 +339,47 @@ void LyXComm::send(string const & msg)
string const LyXComm::inPipeName() const
{
return pipename + string(".in");
return pipename_ + ".in";
}
string const LyXComm::outPipeName() const
{
return pipename + string(".out");
return pipename_ + ".out";
}
// Server class
/////////////////////////////////////////////////////////////////////
//
// Server
//
/////////////////////////////////////////////////////////////////////
void ServerCallback(Server * server, string const & msg)
{
server->callback(msg);
}
Server::Server(LyXFunc * f, std::string const & pipes)
: numclients_(0), func_(f), pipes_(pipes, this, &ServerCallback)
{}
Server::~Server()
{
// say goodbye to clients so they stop sending messages
// modified june 1999 by stefano@zool.su.se to send as many bye
// messages as there are clients, each with client's name.
// send as many bye messages as there are clients,
// each with client's name.
string message;
for (int i= 0; i<numclients; ++i) {
message = "LYXSRV:" + clients[i] + ":bye\n";
pipes.send(message);
for (int i = 0; i != numclients_; ++i) {
message = "LYXSRV:" + clients_[i] + ":bye\n";
pipes_.send(message);
}
}
/* ---F+------------------------------------------------------------------ *\
Function : ServerCallback
Called by : LyXComm
Purpose : handle data gotten from communication
\* ---F------------------------------------------------------------------- */
void Server::callback(Server * serv, string const & msg)
// Handle data gotten from communication, called by LyXComm
void Server::callback(string const & msg)
{
LYXERR(Debug::LYXSERVER) << "Server: Received: '"
<< msg << '\'' << endl;
@ -380,8 +407,10 @@ void Server::callback(Server * serv, string const & msg)
string client;
while (*p && *p != ':')
client += char(*p++);
if (*p == ':') ++p;
if (!*p) return;
if (*p == ':')
++p;
if (!*p)
return;
// --- 3. get function name ---
string cmd;
@ -409,33 +438,33 @@ void Server::callback(Server * serv, string const & msg)
// we are listening.
if (cmd == "hello") {
// One more client
if (serv->numclients == MAX_CLIENTS) { //paranoid check
if (numclients_ == MAX_CLIENTS) { //paranoid check
LYXERR(Debug::LYXSERVER)
<< "Server: too many clients..."
<< endl;
return;
}
int i= 0; //find place in clients[]
while (!serv->clients[i].empty()
&& i<serv->numclients)
int i = 0;
while (!clients_[i].empty() && i < numclients_)
++i;
serv->clients[i] = client;
serv->numclients++;
clients_[i] = client;
++numclients_;
buf = "LYXSRV:" + client + ":hello\n";
LYXERR(Debug::LYXSERVER)
<< "Server: Greeting "
<< client << endl;
serv->pipes.send(buf);
pipes_.send(buf);
} else if (cmd == "bye") {
// If clients == 0 maybe we should reset the pipes
// If clients_ == 0 maybe we should reset the pipes
// to prevent fake callbacks
int i = 0; //look if client is registered
for (; i < serv->numclients; ++i) {
if (serv->clients[i] == client) break;
for (; i < numclients_; ++i) {
if (clients_[i] == client)
break;
}
if (i < serv->numclients) {
serv->numclients--;
serv->clients[i].erase();
if (i < numclients_) {
--numclients_;
clients_[i].erase();
LYXERR(Debug::LYXSERVER)
<< "Server: Client "
<< client << " said goodbye"
@ -460,21 +489,19 @@ void Server::callback(Server * serv, string const & msg)
// connect to the lyxfunc in the single LyXView we
// support currently. (Lgb)
func_->dispatch(FuncRequest(lyxaction.lookupFunc(cmd), arg));
string const rval = to_utf8(func_->getMessage());
serv->func->dispatch(FuncRequest(lyxaction.lookupFunc(cmd), arg));
string const rval = to_utf8(serv->func->getMessage());
//modified june 1999 stefano@zool.su.se:
//all commands produce an INFO or ERROR message
//in the output pipe, even if they do not return
//anything. See chapter 4 of Customization doc.
// all commands produce an INFO or ERROR message
// in the output pipe, even if they do not return
// anything. See chapter 4 of Customization doc.
string buf;
if (serv->func->errorStat())
if (func_->errorStat())
buf = "ERROR:";
else
buf = "INFO:";
buf += client + ':' + cmd + ':' + rval + '\n';
serv->pipes.send(buf);
pipes_.send(buf);
// !!! we don't do any error checking -
// if the client won't listen, the
@ -484,22 +511,14 @@ void Server::callback(Server * serv, string const & msg)
// not found
}
} /* while *p */
} // while *p
}
/* ---F+------------------------------------------------------------------ *\
Function : LyXNotifyClient
Called by : WorkAreaKeyPress
Purpose : send a notify messge to a client
Parameters: s - string to send
Returns : nothing
\* ---F------------------------------------------------------------------- */
// Send a notify messge to a client, called by WorkAreaKeyPress
void Server::notifyClient(string const & s)
{
string buf = string("NOTIFY:") + s + "\n";
pipes.send(buf);
pipes_.send("NOTIFY:" + s + "\n");
}

42
src/Server.h
View File

@ -38,12 +38,7 @@ public:
typedef void (*ClientCallbackfct)(Server *, std::string const &);
/// Construct with pipe-basename and callback to receive messages
LyXComm(std::string const & pip, Server * cli, ClientCallbackfct ccb = 0)
: pipename(pip), client(cli), clientcb(ccb)
{
ready = false;
openConnection();
}
LyXComm(std::string const & pip, Server * cli, ClientCallbackfct ccb = 0);
///
~LyXComm() { closeConnection(); }
@ -77,26 +72,25 @@ private:
void endPipe(int &, std::string const &, bool);
/// This is -1 if not open
int infd;
int infd_;
/// This is -1 if not open
int outfd;
int outfd_;
/// Are we up and running?
bool ready;
bool ready_;
/// Base of pipename including path
std::string pipename;
std::string pipename_;
/// The client
Server * client;
Server * client_;
/// The client callback function
ClientCallbackfct clientcb;
ClientCallbackfct clientcb_;
};
///
class Server {
public:
@ -111,32 +105,28 @@ public:
// lyxserver is using a buffer that is being edited with a bufferview.
// With a common buffer list this is not a problem, maybe. (Alejandro)
///
Server(LyXFunc * f, std::string const & pip)
: numclients(0), func(f), pipes(pip, (this), callback) {}
Server(LyXFunc * f, std::string const & pip);
///
~Server();
///
void notifyClient(std::string const &);
/// whilst crashing etc.
void emergencyCleanup() { pipes.emergencyCleanup(); }
void emergencyCleanup() { pipes_.emergencyCleanup(); }
///
void callback(std::string const & msg);
private:
///
static void callback(Server *, std::string const & msg);
/// Names and number of current clients
enum {
///
MAX_CLIENTS = 10
};
enum { MAX_CLIENTS = 10 };
///
std::string clients[MAX_CLIENTS];
std::string clients_[MAX_CLIENTS];
///
int numclients;
int numclients_;
///
LyXFunc * func;
LyXFunc * func_;
///
LyXComm pipes;
LyXComm pipes_;
};
/// Implementation is in LyX.cpp

6
src/frontends/qt4/GuiKeySymbol.cpp
View File

@ -114,7 +114,7 @@ void GuiKeySymbol::init(string const & symbolname)
bool GuiKeySymbol::isOK() const
{
bool const ok(!(text_.isEmpty() && key_ == Qt::Key_unknown));
bool const ok = !(text_.isEmpty() && key_ == Qt::Key_unknown);
LYXERR(Debug::KEY) << "isOK is " << ok << endl;
return ok;
}
@ -122,7 +122,7 @@ bool GuiKeySymbol::isOK() const
bool GuiKeySymbol::isModifier() const
{
bool const mod(q_is_modifier(key_));
bool const mod = q_is_modifier(key_);
LYXERR(Debug::KEY) << "isMod is " << mod << endl;
return mod;
}
@ -130,7 +130,7 @@ bool GuiKeySymbol::isModifier() const
string GuiKeySymbol::getSymbolName() const
{
string sym(qkey_to_string(key_));
string sym = qkey_to_string(key_);
// e.g. A-Za-z, and others
if (sym.empty())

2
src/frontends/qt4/GuiView.cpp
View File

@ -63,9 +63,7 @@
#include <QTabWidget>
#include <QUrl>
#include <boost/bind.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/current_function.hpp>
using std::endl;
using std::string;