2002-05-30 16:13:16 +00:00
|
|
|
#include "CHTTPServer.h"
|
|
|
|
|
#include "CHTTPProtocol.h"
|
|
|
|
|
#include "XHTTP.h"
|
|
|
|
|
#include "CServer.h"
|
2002-05-31 14:34:16 +00:00
|
|
|
#include "CConfig.h"
|
2002-05-30 16:13:16 +00:00
|
|
|
#include "CLog.h"
|
|
|
|
|
#include "XThread.h"
|
|
|
|
|
#include "ISocket.h"
|
2002-06-01 19:26:11 +00:00
|
|
|
#include "stdset.h"
|
|
|
|
|
#include "stdsstream.h"
|
|
|
|
|
#include <assert.h>
|
2002-05-30 16:13:16 +00:00
|
|
|
|
|
|
|
|
//
|
|
|
|
|
// CHTTPServer
|
|
|
|
|
//
|
|
|
|
|
|
2002-06-02 13:34:35 +00:00
|
|
|
// maximum size of an HTTP request. this should be large enough to
|
|
|
|
|
// handle any reasonable request but small enough to prevent a
|
|
|
|
|
// malicious client from causing us to use too much memory.
|
|
|
|
|
const UInt32 CHTTPServer::s_maxRequestSize = 32768;
|
|
|
|
|
|
2002-05-30 16:13:16 +00:00
|
|
|
CHTTPServer::CHTTPServer(CServer* server) : m_server(server)
|
|
|
|
|
{
|
|
|
|
|
// do nothing
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
CHTTPServer::~CHTTPServer()
|
|
|
|
|
{
|
|
|
|
|
// do nothing
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::processRequest(ISocket* socket)
|
|
|
|
|
{
|
|
|
|
|
assert(socket != NULL);
|
|
|
|
|
|
|
|
|
|
CHTTPRequest* request = NULL;
|
|
|
|
|
try {
|
|
|
|
|
// parse request
|
2002-06-02 13:34:35 +00:00
|
|
|
request = CHTTPProtocol::readRequest(
|
|
|
|
|
socket->getInputStream(), s_maxRequestSize);
|
2002-05-30 16:13:16 +00:00
|
|
|
if (request == NULL) {
|
|
|
|
|
throw XHTTP(400);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// if absolute uri then strip off scheme and host
|
|
|
|
|
if (request->m_uri[0] != '/') {
|
|
|
|
|
CString::size_type n = request->m_uri.find('/');
|
|
|
|
|
if (n == CString::npos) {
|
|
|
|
|
throw XHTTP(404);
|
|
|
|
|
}
|
|
|
|
|
request->m_uri = request->m_uri.substr(n);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// process
|
|
|
|
|
CHTTPReply reply;
|
|
|
|
|
doProcessRequest(*request, reply);
|
|
|
|
|
|
|
|
|
|
// send reply
|
|
|
|
|
CHTTPProtocol::reply(socket->getOutputStream(), reply);
|
|
|
|
|
log((CLOG_INFO "HTTP reply %d for %s %s", reply.m_status, request->m_method.c_str(), request->m_uri.c_str()));
|
|
|
|
|
|
|
|
|
|
// clean up
|
|
|
|
|
delete request;
|
|
|
|
|
}
|
|
|
|
|
catch (XHTTP& e) {
|
|
|
|
|
log((CLOG_WARN "returning HTTP error %d %s for %s", e.getStatus(), e.getReason().c_str(), (request != NULL) ? request->m_uri.c_str() : "<unknown>"));
|
|
|
|
|
|
|
|
|
|
// clean up
|
|
|
|
|
delete request;
|
|
|
|
|
|
|
|
|
|
// return error
|
|
|
|
|
CHTTPReply reply;
|
|
|
|
|
reply.m_majorVersion = 1;
|
|
|
|
|
reply.m_minorVersion = 0;
|
|
|
|
|
reply.m_status = e.getStatus();
|
|
|
|
|
reply.m_reason = e.getReason();
|
|
|
|
|
reply.m_method = "GET";
|
|
|
|
|
// FIXME -- use a nicer error page
|
|
|
|
|
reply.m_headers.push_back(std::make_pair(CString("Content-Type"),
|
|
|
|
|
CString("text/plain")));
|
|
|
|
|
reply.m_body = e.getReason();
|
|
|
|
|
e.addHeaders(reply);
|
|
|
|
|
CHTTPProtocol::reply(socket->getOutputStream(), reply);
|
|
|
|
|
}
|
|
|
|
|
catch (...) {
|
|
|
|
|
// ignore other exceptions
|
|
|
|
|
RETHROW_XTHREAD
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::doProcessRequest(
|
|
|
|
|
CHTTPRequest& request,
|
|
|
|
|
CHTTPReply& reply)
|
|
|
|
|
{
|
|
|
|
|
reply.m_majorVersion = request.m_majorVersion;
|
|
|
|
|
reply.m_minorVersion = request.m_minorVersion;
|
|
|
|
|
reply.m_status = 200;
|
|
|
|
|
reply.m_reason = "OK";
|
|
|
|
|
reply.m_method = request.m_method;
|
|
|
|
|
reply.m_headers.push_back(std::make_pair(CString("Content-Type"),
|
|
|
|
|
CString("text/html")));
|
|
|
|
|
|
|
|
|
|
// switch based on uri
|
|
|
|
|
if (request.m_uri == "/editmap") {
|
|
|
|
|
if (request.m_method == "GET" || request.m_method == "HEAD") {
|
|
|
|
|
doProcessGetEditMap(request, reply);
|
|
|
|
|
}
|
|
|
|
|
else if (request.m_method == "POST") {
|
|
|
|
|
doProcessPostEditMap(request, reply);
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
throw XHTTPAllow("GET, HEAD, POST");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
// unknown page
|
|
|
|
|
throw XHTTP(404);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::doProcessGetEditMap(
|
|
|
|
|
CHTTPRequest& /*request*/,
|
|
|
|
|
CHTTPReply& reply)
|
|
|
|
|
{
|
|
|
|
|
static const char* s_editMapProlog1 =
|
|
|
|
|
"<html>\r\n"
|
|
|
|
|
"<head>\r\n"
|
|
|
|
|
" <title>Synergy -- Edit Screens</title>\r\n"
|
|
|
|
|
"</head>\r\n"
|
|
|
|
|
"<body>\r\n"
|
|
|
|
|
" <form method=\"POST\" action=\"editmap\" "
|
|
|
|
|
"enctype=\"multipart/form-data\">\r\n"
|
|
|
|
|
" <input type=hidden name=\"size\" value=\"";
|
|
|
|
|
static const char* s_editMapProlog2 =
|
|
|
|
|
"\">\r\n";
|
|
|
|
|
static const char* s_editMapEpilog =
|
|
|
|
|
" <input type=submit name=\"submit\">\r\n"
|
|
|
|
|
" <input type=reset>\r\n"
|
|
|
|
|
" <br>\r\n"
|
|
|
|
|
" </form>\r\n"
|
|
|
|
|
"</body>\r\n"
|
|
|
|
|
"</html>\r\n";
|
|
|
|
|
static const char* s_editMapTableProlog =
|
|
|
|
|
"<table border=\"1\" cellspacing=\"0\" cellpadding=\"0\"><tr><td>"
|
|
|
|
|
" <table border=\"0\" cellspacing=\"2\" cellpadding=\"6\">\r\n";
|
|
|
|
|
static const char* s_editMapTableEpilog =
|
|
|
|
|
" </table>"
|
|
|
|
|
"</td></tr></table>\r\n";
|
|
|
|
|
static const char* s_editMapRowProlog =
|
|
|
|
|
"<tr align=\"center\" valign=\"top\">\r\n";
|
|
|
|
|
static const char* s_editMapRowEpilog =
|
|
|
|
|
"</tr>\r\n";
|
|
|
|
|
static const char* s_editMapScreenDummy =
|
|
|
|
|
"<td>";
|
|
|
|
|
static const char* s_editMapScreenPrimary =
|
|
|
|
|
"<td bgcolor=\"#2222288\"><input type=\"text\" readonly value=\"";
|
|
|
|
|
static const char* s_editMapScreenLive =
|
|
|
|
|
"<td bgcolor=\"#cccccc\"><input type=\"text\" value=\"";
|
|
|
|
|
static const char* s_editMapScreenDead =
|
|
|
|
|
"<td><input type=\"text\" value=\"";
|
|
|
|
|
static const char* s_editMapScreenLiveDead1 =
|
|
|
|
|
"\" size=\"16\" maxlength=\"64\" name=\"";
|
|
|
|
|
static const char* s_editMapScreenLiveDead2 =
|
|
|
|
|
"\">";
|
|
|
|
|
static const char* s_editMapScreenEnd =
|
|
|
|
|
"</td>\r\n";
|
|
|
|
|
|
2002-06-01 19:26:11 +00:00
|
|
|
std::ostringstream s;
|
2002-05-30 16:13:16 +00:00
|
|
|
|
|
|
|
|
// convert screen map into a temporary screen map
|
|
|
|
|
CScreenArray screens;
|
|
|
|
|
{
|
2002-05-31 14:43:23 +00:00
|
|
|
CConfig config;
|
|
|
|
|
m_server->getConfig(&config);
|
|
|
|
|
screens.convertFrom(config);
|
|
|
|
|
// FIXME -- note to user if config couldn't be exactly represented
|
2002-05-30 16:13:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// insert blank columns and rows around array (to allow the user
|
|
|
|
|
// to insert new screens)
|
|
|
|
|
screens.insertColumn(0);
|
|
|
|
|
screens.insertColumn(screens.getWidth());
|
|
|
|
|
screens.insertRow(0);
|
|
|
|
|
screens.insertRow(screens.getHeight());
|
|
|
|
|
|
|
|
|
|
// get array size
|
|
|
|
|
const SInt32 w = screens.getWidth();
|
|
|
|
|
const SInt32 h = screens.getHeight();
|
|
|
|
|
|
|
|
|
|
// construct reply
|
|
|
|
|
reply.m_body += s_editMapProlog1;
|
|
|
|
|
s << w << "x" << h;
|
|
|
|
|
reply.m_body += s.str();
|
|
|
|
|
reply.m_body += s_editMapProlog2;
|
|
|
|
|
|
|
|
|
|
// add screen map for editing
|
|
|
|
|
const CString primaryName = m_server->getPrimaryScreenName();
|
|
|
|
|
reply.m_body += s_editMapTableProlog;
|
|
|
|
|
for (SInt32 y = 0; y < h; ++y) {
|
|
|
|
|
reply.m_body += s_editMapRowProlog;
|
|
|
|
|
for (SInt32 x = 0; x < w; ++x) {
|
|
|
|
|
s.str("");
|
|
|
|
|
if (!screens.isAllowed(x, y) && screens.get(x, y) != primaryName) {
|
|
|
|
|
s << s_editMapScreenDummy;
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
if (!screens.isSet(x, y)) {
|
|
|
|
|
s << s_editMapScreenDead;
|
|
|
|
|
}
|
|
|
|
|
else if (screens.get(x, y) == primaryName) {
|
|
|
|
|
s << s_editMapScreenPrimary;
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
s << s_editMapScreenLive;
|
|
|
|
|
}
|
|
|
|
|
s << screens.get(x, y) <<
|
|
|
|
|
s_editMapScreenLiveDead1 <<
|
|
|
|
|
"n" << x << "x" << y <<
|
|
|
|
|
s_editMapScreenLiveDead2;
|
|
|
|
|
}
|
|
|
|
|
s << s_editMapScreenEnd;
|
|
|
|
|
reply.m_body += s.str();
|
|
|
|
|
}
|
|
|
|
|
reply.m_body += s_editMapRowEpilog;
|
|
|
|
|
}
|
|
|
|
|
reply.m_body += s_editMapTableEpilog;
|
|
|
|
|
|
|
|
|
|
reply.m_body += s_editMapEpilog;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::doProcessPostEditMap(
|
|
|
|
|
CHTTPRequest& request,
|
|
|
|
|
CHTTPReply& reply)
|
|
|
|
|
{
|
|
|
|
|
typedef std::vector<CString> ScreenArray;
|
|
|
|
|
typedef std::set<CString> ScreenSet;
|
|
|
|
|
|
|
|
|
|
// parse the result
|
|
|
|
|
CHTTPProtocol::CFormParts parts;
|
|
|
|
|
if (!CHTTPProtocol::parseFormData(request, parts)) {
|
|
|
|
|
log((CLOG_WARN "editmap: cannot parse form data"));
|
|
|
|
|
throw XHTTP(400);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
try {
|
2002-06-01 19:26:11 +00:00
|
|
|
std::ostringstream s;
|
2002-05-30 16:13:16 +00:00
|
|
|
|
|
|
|
|
// convert post data into a temporary screen map. also check
|
|
|
|
|
// that no screen name is invalid or used more than once.
|
|
|
|
|
SInt32 w, h;
|
|
|
|
|
CHTTPProtocol::CFormParts::iterator index = parts.find("size");
|
|
|
|
|
if (index == parts.end() ||
|
|
|
|
|
!parseXY(index->second, w, h) ||
|
|
|
|
|
w <= 0 || h <= 0) {
|
|
|
|
|
log((CLOG_WARN "editmap: cannot parse size or size is invalid"));
|
|
|
|
|
throw XHTTP(400);
|
|
|
|
|
}
|
|
|
|
|
ScreenSet screenNames;
|
|
|
|
|
CScreenArray screens;
|
|
|
|
|
screens.resize(w, h);
|
|
|
|
|
for (SInt32 y = 0; y < h; ++y) {
|
|
|
|
|
for (SInt32 x = 0; x < w; ++x) {
|
|
|
|
|
// find part
|
|
|
|
|
s.str("");
|
|
|
|
|
s << "n" << x << "x" << y;
|
|
|
|
|
index = parts.find(s.str());
|
|
|
|
|
if (index == parts.end()) {
|
|
|
|
|
// FIXME -- screen is missing. error?
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// skip blank names
|
|
|
|
|
const CString& name = index->second;
|
|
|
|
|
if (name.empty()) {
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// check name. name must be legal and must not have
|
|
|
|
|
// already been seen.
|
|
|
|
|
if (screenNames.count(name)) {
|
|
|
|
|
// FIXME -- better error message
|
|
|
|
|
log((CLOG_WARN "editmap: duplicate name %s", name.c_str()));
|
|
|
|
|
throw XHTTP(400);
|
|
|
|
|
}
|
|
|
|
|
// FIXME -- check that name is legal
|
|
|
|
|
|
|
|
|
|
// save name. if we've already seen the name then
|
|
|
|
|
// report an error.
|
|
|
|
|
screens.set(x, y, name);
|
|
|
|
|
screenNames.insert(name);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// if new map is invalid then return error. map is invalid if:
|
|
|
|
|
// there are no screens, or
|
|
|
|
|
// the screens are not 4-connected.
|
|
|
|
|
if (screenNames.empty()) {
|
|
|
|
|
// no screens
|
|
|
|
|
// FIXME -- need better no screens
|
|
|
|
|
log((CLOG_WARN "editmap: no screens"));
|
|
|
|
|
throw XHTTP(400);
|
|
|
|
|
}
|
|
|
|
|
if (!screens.isValid()) {
|
|
|
|
|
// FIXME -- need better unconnected screens error
|
|
|
|
|
log((CLOG_WARN "editmap: unconnected screens"));
|
|
|
|
|
throw XHTTP(400);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// convert temporary screen map into a regular map
|
2002-05-31 14:43:23 +00:00
|
|
|
CConfig config;
|
2002-06-09 16:53:25 +00:00
|
|
|
m_server->getConfig(&config);
|
2002-05-31 14:43:23 +00:00
|
|
|
screens.convertTo(config);
|
2002-05-30 16:13:16 +00:00
|
|
|
|
|
|
|
|
// set new screen map on server
|
2002-05-31 14:43:23 +00:00
|
|
|
m_server->setConfig(config);
|
2002-05-30 16:13:16 +00:00
|
|
|
|
|
|
|
|
// now reply with current map
|
|
|
|
|
doProcessGetEditMap(request, reply);
|
|
|
|
|
}
|
2002-06-01 19:26:11 +00:00
|
|
|
catch (XHTTP&) {
|
2002-05-30 16:13:16 +00:00
|
|
|
// FIXME -- construct a more meaningful error?
|
|
|
|
|
throw;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool CHTTPServer::parseXY(
|
|
|
|
|
const CString& xy, SInt32& x, SInt32& y)
|
|
|
|
|
{
|
2002-06-01 19:26:11 +00:00
|
|
|
std::istringstream s(xy);
|
2002-05-30 16:13:16 +00:00
|
|
|
char delimiter;
|
|
|
|
|
s >> x;
|
|
|
|
|
s.get(delimiter);
|
|
|
|
|
s >> y;
|
|
|
|
|
return (!!s && delimiter == 'x');
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2002-06-01 19:26:11 +00:00
|
|
|
//
|
|
|
|
|
// CHTTPServer::CScreenArray
|
|
|
|
|
//
|
2002-05-30 16:13:16 +00:00
|
|
|
|
|
|
|
|
CHTTPServer::CScreenArray::CScreenArray() : m_w(0), m_h(0)
|
|
|
|
|
{
|
|
|
|
|
// do nothing
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
CHTTPServer::CScreenArray::~CScreenArray()
|
|
|
|
|
{
|
|
|
|
|
// do nothing
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::CScreenArray::resize(SInt32 w, SInt32 h)
|
|
|
|
|
{
|
|
|
|
|
m_screens.clear();
|
|
|
|
|
m_screens.resize(w * h);
|
|
|
|
|
m_w = w;
|
|
|
|
|
m_h = h;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::CScreenArray::insertRow(SInt32 i)
|
|
|
|
|
{
|
|
|
|
|
assert(i >= 0 && i <= m_h);
|
|
|
|
|
|
|
|
|
|
CNames newScreens;
|
|
|
|
|
newScreens.resize(m_w * (m_h + 1));
|
|
|
|
|
|
|
|
|
|
for (SInt32 y = 0; y < i; ++y) {
|
|
|
|
|
for (SInt32 x = 0; x < m_w; ++x) {
|
|
|
|
|
newScreens[x + y * m_w] = m_screens[x + y * m_w];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
for (SInt32 y = i; y < m_h; ++y) {
|
|
|
|
|
for (SInt32 x = 0; x < m_w; ++x) {
|
|
|
|
|
newScreens[x + (y + 1) * m_w] = m_screens[x + y * m_w];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
m_screens.swap(newScreens);
|
|
|
|
|
++m_h;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::CScreenArray::insertColumn(SInt32 i)
|
|
|
|
|
{
|
|
|
|
|
assert(i >= 0 && i <= m_w);
|
|
|
|
|
|
|
|
|
|
CNames newScreens;
|
|
|
|
|
newScreens.resize((m_w + 1) * m_h);
|
|
|
|
|
|
|
|
|
|
for (SInt32 y = 0; y < m_h; ++y) {
|
|
|
|
|
for (SInt32 x = 0; x < i; ++x) {
|
|
|
|
|
newScreens[x + y * (m_w + 1)] = m_screens[x + y * m_w];
|
|
|
|
|
}
|
|
|
|
|
for (SInt32 x = i; x < m_w; ++x) {
|
|
|
|
|
newScreens[(x + 1) + y * (m_w + 1)] = m_screens[x + y * m_w];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
m_screens.swap(newScreens);
|
|
|
|
|
++m_w;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::CScreenArray::eraseRow(SInt32 i)
|
|
|
|
|
{
|
|
|
|
|
assert(i >= 0 && i < m_h);
|
|
|
|
|
|
|
|
|
|
CNames newScreens;
|
|
|
|
|
newScreens.resize(m_w * (m_h - 1));
|
|
|
|
|
|
|
|
|
|
for (SInt32 y = 0; y < i; ++y) {
|
|
|
|
|
for (SInt32 x = 0; x < m_w; ++x) {
|
|
|
|
|
newScreens[x + y * m_w] = m_screens[x + y * m_w];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
for (SInt32 y = i + 1; y < m_h; ++y) {
|
|
|
|
|
for (SInt32 x = 0; x < m_w; ++x) {
|
|
|
|
|
newScreens[x + (y - 1) * m_w] = m_screens[x + y * m_w];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
m_screens.swap(newScreens);
|
|
|
|
|
--m_h;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::CScreenArray::eraseColumn(SInt32 i)
|
|
|
|
|
{
|
|
|
|
|
assert(i >= 0 && i < m_w);
|
|
|
|
|
|
|
|
|
|
CNames newScreens;
|
|
|
|
|
newScreens.resize((m_w - 1) * m_h);
|
|
|
|
|
|
|
|
|
|
for (SInt32 y = 0; y < m_h; ++y) {
|
|
|
|
|
for (SInt32 x = 0; x < m_w; ++x) {
|
|
|
|
|
newScreens[x + y * (m_w - 1)] = m_screens[x + y * m_w];
|
|
|
|
|
}
|
|
|
|
|
for (SInt32 x = i + 1; x < m_w; ++x) {
|
|
|
|
|
newScreens[(x - 1) + y * (m_w - 1)] = m_screens[x + y * m_w];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
m_screens.swap(newScreens);
|
|
|
|
|
--m_w;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::CScreenArray::rotateRows(SInt32 i)
|
|
|
|
|
{
|
|
|
|
|
// nothing to do if no rows
|
|
|
|
|
if (m_h == 0) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// convert to canonical form
|
|
|
|
|
if (i < 0) {
|
|
|
|
|
i = m_h - ((-i) % m_h);
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
i %= m_h;
|
|
|
|
|
}
|
|
|
|
|
if (i == 0 || i == m_h) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
while (i > 0) {
|
|
|
|
|
// rotate one row
|
|
|
|
|
for (SInt32 x = 0; x < m_w; ++x) {
|
|
|
|
|
CString tmp = m_screens[x];
|
|
|
|
|
for (SInt32 y = 1; y < m_h; ++y) {
|
|
|
|
|
m_screens[x + (y - 1) * m_w] = m_screens[x + y * m_w];
|
|
|
|
|
}
|
|
|
|
|
m_screens[x + (m_h - 1) * m_w] = tmp;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::CScreenArray::rotateColumns(SInt32 i)
|
|
|
|
|
{
|
|
|
|
|
// nothing to do if no columns
|
|
|
|
|
if (m_h == 0) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// convert to canonical form
|
|
|
|
|
if (i < 0) {
|
|
|
|
|
i = m_w - ((-i) % m_w);
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
i %= m_w;
|
|
|
|
|
}
|
|
|
|
|
if (i == 0 || i == m_w) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
while (i > 0) {
|
|
|
|
|
// rotate one column
|
|
|
|
|
for (SInt32 y = 0; y < m_h; ++y) {
|
|
|
|
|
CString tmp = m_screens[0 + y * m_w];
|
|
|
|
|
for (SInt32 x = 1; x < m_w; ++x) {
|
|
|
|
|
m_screens[x - 1 + y * m_w] = m_screens[x + y * m_w];
|
|
|
|
|
}
|
|
|
|
|
m_screens[m_w - 1 + y * m_w] = tmp;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::CScreenArray::remove(SInt32 x, SInt32 y)
|
|
|
|
|
{
|
|
|
|
|
set(x, y, CString());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::CScreenArray::set(
|
|
|
|
|
SInt32 x, SInt32 y, const CString& name)
|
|
|
|
|
{
|
|
|
|
|
assert(x >= 0 && x < m_w);
|
|
|
|
|
assert(y >= 0 && y < m_h);
|
|
|
|
|
|
|
|
|
|
m_screens[x + y * m_w] = name;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool CHTTPServer::CScreenArray::isAllowed(
|
|
|
|
|
SInt32 x, SInt32 y) const
|
|
|
|
|
{
|
|
|
|
|
assert(x >= 0 && x < m_w);
|
|
|
|
|
assert(y >= 0 && y < m_h);
|
|
|
|
|
|
|
|
|
|
if (x > 0 && !m_screens[(x - 1) + y * m_w].empty()) {
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
if (x < m_w - 1 && !m_screens[(x + 1) + y * m_w].empty()) {
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
if (y > 0 && !m_screens[x + (y - 1) * m_w].empty()) {
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
if (y < m_h - 1 && !m_screens[x + (y + 1) * m_w].empty()) {
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool CHTTPServer::CScreenArray::isSet(
|
|
|
|
|
SInt32 x, SInt32 y) const
|
|
|
|
|
{
|
|
|
|
|
assert(x >= 0 && x < m_w);
|
|
|
|
|
assert(y >= 0 && y < m_h);
|
|
|
|
|
|
|
|
|
|
return !m_screens[x + y * m_w].empty();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
CString CHTTPServer::CScreenArray::get(
|
|
|
|
|
SInt32 x, SInt32 y) const
|
|
|
|
|
{
|
|
|
|
|
assert(x >= 0 && x < m_w);
|
|
|
|
|
assert(y >= 0 && y < m_h);
|
|
|
|
|
|
|
|
|
|
return m_screens[x + y * m_w];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool CHTTPServer::CScreenArray::find(
|
|
|
|
|
const CString& name,
|
|
|
|
|
SInt32& xOut, SInt32& yOut) const
|
|
|
|
|
{
|
|
|
|
|
for (SInt32 y = 0; y < m_h; ++y) {
|
|
|
|
|
for (SInt32 x = 0; x < m_w; ++x) {
|
|
|
|
|
if (m_screens[x + y * m_w] == name) {
|
|
|
|
|
xOut = x;
|
|
|
|
|
yOut = y;
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool CHTTPServer::CScreenArray::isValid() const
|
|
|
|
|
{
|
|
|
|
|
SInt32 count = 0, isolated = 0;
|
|
|
|
|
for (SInt32 y = 0; y < m_h; ++y) {
|
|
|
|
|
for (SInt32 x = 0; x < m_w; ++x) {
|
|
|
|
|
if (isSet(x, y)) {
|
|
|
|
|
++count;
|
|
|
|
|
if (!isAllowed(x, y)) {
|
|
|
|
|
++isolated;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return (count <= 1 || isolated == 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool CHTTPServer::CScreenArray::convertFrom(
|
2002-05-31 14:43:23 +00:00
|
|
|
const CConfig& config)
|
2002-05-30 16:13:16 +00:00
|
|
|
{
|
|
|
|
|
typedef std::set<CString> ScreenSet;
|
|
|
|
|
|
|
|
|
|
// insert the first screen
|
2002-05-31 14:43:23 +00:00
|
|
|
CConfig::const_iterator index = config.begin();
|
|
|
|
|
if (index == config.end()) {
|
2002-05-30 16:13:16 +00:00
|
|
|
// no screens
|
|
|
|
|
resize(0, 0);
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
CString name = *index;
|
|
|
|
|
resize(1, 1);
|
|
|
|
|
set(0, 0, name);
|
|
|
|
|
|
|
|
|
|
// flood fill state
|
|
|
|
|
CNames screenStack;
|
|
|
|
|
ScreenSet doneSet;
|
|
|
|
|
|
|
|
|
|
// put all but the first screen on the stack
|
|
|
|
|
// note -- if all screens are 4-connected then we can skip this
|
2002-05-31 14:43:23 +00:00
|
|
|
while (++index != config.end()) {
|
2002-05-30 16:13:16 +00:00
|
|
|
screenStack.push_back(*index);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// put the first screen on the stack last so we process it first
|
|
|
|
|
screenStack.push_back(name);
|
|
|
|
|
|
|
|
|
|
// perform a flood fill using the stack as the seeds
|
|
|
|
|
while (!screenStack.empty()) {
|
|
|
|
|
// get next screen from stack
|
|
|
|
|
CString name = screenStack.back();
|
|
|
|
|
screenStack.pop_back();
|
|
|
|
|
|
|
|
|
|
// skip screen if we've seen it before
|
|
|
|
|
if (doneSet.count(name) > 0) {
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// add this screen to doneSet so we don't process it again
|
|
|
|
|
doneSet.insert(name);
|
|
|
|
|
|
|
|
|
|
// find the screen. if it's not found then not all of the
|
|
|
|
|
// screens are 4-connected. discard disconnected screens.
|
|
|
|
|
SInt32 x, y;
|
|
|
|
|
if (!find(name, x, y)) {
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// insert the screen's neighbors
|
|
|
|
|
// FIXME -- handle edge wrapping
|
|
|
|
|
CString neighbor;
|
2002-05-31 14:43:23 +00:00
|
|
|
neighbor = config.getNeighbor(name, CConfig::kLeft);
|
2002-05-30 16:13:16 +00:00
|
|
|
if (!neighbor.empty() && doneSet.count(neighbor) == 0) {
|
|
|
|
|
// insert left neighbor, adding a column if necessary
|
|
|
|
|
if (x == 0 || get(x - 1, y) != neighbor) {
|
|
|
|
|
++x;
|
|
|
|
|
insertColumn(x - 1);
|
|
|
|
|
set(x - 1, y, neighbor);
|
|
|
|
|
}
|
|
|
|
|
screenStack.push_back(neighbor);
|
|
|
|
|
}
|
2002-05-31 14:43:23 +00:00
|
|
|
neighbor = config.getNeighbor(name, CConfig::kRight);
|
2002-05-30 16:13:16 +00:00
|
|
|
if (!neighbor.empty() && doneSet.count(neighbor) == 0) {
|
|
|
|
|
// insert right neighbor, adding a column if necessary
|
|
|
|
|
if (x == m_w - 1 || get(x + 1, y) != neighbor) {
|
|
|
|
|
insertColumn(x + 1);
|
|
|
|
|
set(x + 1, y, neighbor);
|
|
|
|
|
}
|
|
|
|
|
screenStack.push_back(neighbor);
|
|
|
|
|
}
|
2002-05-31 14:43:23 +00:00
|
|
|
neighbor = config.getNeighbor(name, CConfig::kTop);
|
2002-05-30 16:13:16 +00:00
|
|
|
if (!neighbor.empty() && doneSet.count(neighbor) == 0) {
|
|
|
|
|
// insert top neighbor, adding a row if necessary
|
|
|
|
|
if (y == 0 || get(x, y - 1) != neighbor) {
|
|
|
|
|
++y;
|
|
|
|
|
insertRow(y - 1);
|
|
|
|
|
set(x, y - 1, neighbor);
|
|
|
|
|
}
|
|
|
|
|
screenStack.push_back(neighbor);
|
|
|
|
|
}
|
2002-05-31 14:43:23 +00:00
|
|
|
neighbor = config.getNeighbor(name, CConfig::kBottom);
|
2002-05-30 16:13:16 +00:00
|
|
|
if (!neighbor.empty() && doneSet.count(neighbor) == 0) {
|
|
|
|
|
// insert bottom neighbor, adding a row if necessary
|
|
|
|
|
if (y == m_h - 1 || get(x, y + 1) != neighbor) {
|
|
|
|
|
insertRow(y + 1);
|
|
|
|
|
set(x, y + 1, neighbor);
|
|
|
|
|
}
|
|
|
|
|
screenStack.push_back(neighbor);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// check symmetry
|
|
|
|
|
// FIXME -- handle edge wrapping
|
2002-05-31 14:43:23 +00:00
|
|
|
for (index = config.begin(); index != config.end(); ++index) {
|
2002-05-30 16:13:16 +00:00
|
|
|
const CString& name = *index;
|
|
|
|
|
SInt32 x, y;
|
|
|
|
|
if (!find(name, x, y)) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
CString neighbor;
|
2002-05-31 14:43:23 +00:00
|
|
|
neighbor = config.getNeighbor(name, CConfig::kLeft);
|
2002-05-30 16:13:16 +00:00
|
|
|
if ((x == 0 && !neighbor.empty()) ||
|
|
|
|
|
(x > 0 && get(x - 1, y) != neighbor)) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
2002-05-31 14:43:23 +00:00
|
|
|
neighbor = config.getNeighbor(name, CConfig::kRight);
|
2002-05-30 16:13:16 +00:00
|
|
|
if ((x == m_w - 1 && !neighbor.empty()) ||
|
|
|
|
|
(x < m_w - 1 && get(x + 1, y) != neighbor)) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
2002-05-31 14:43:23 +00:00
|
|
|
neighbor = config.getNeighbor(name, CConfig::kTop);
|
2002-05-30 16:13:16 +00:00
|
|
|
if ((y == 0 && !neighbor.empty()) ||
|
|
|
|
|
(y > 0 && get(x, y - 1) != neighbor)) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
2002-05-31 14:43:23 +00:00
|
|
|
neighbor = config.getNeighbor(name, CConfig::kBottom);
|
2002-05-30 16:13:16 +00:00
|
|
|
if ((y == m_h - 1 && !neighbor.empty()) ||
|
|
|
|
|
(y < m_h - 1 && get(x, y + 1) != neighbor)) {
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CHTTPServer::CScreenArray::convertTo(
|
2002-05-31 14:43:23 +00:00
|
|
|
CConfig& config) const
|
2002-05-30 16:13:16 +00:00
|
|
|
{
|
2002-06-09 16:53:25 +00:00
|
|
|
config.removeAllScreens();
|
|
|
|
|
|
2002-05-30 16:13:16 +00:00
|
|
|
// add screens and find smallest box containing all screens
|
|
|
|
|
SInt32 x0 = m_w, x1 = 0, y0 = m_h, y1 = 0;
|
|
|
|
|
for (SInt32 y = 0; y < m_h; ++y) {
|
|
|
|
|
for (SInt32 x = 0; x < m_w; ++x) {
|
|
|
|
|
if (isSet(x, y)) {
|
2002-05-31 14:43:23 +00:00
|
|
|
config.addScreen(get(x, y));
|
2002-05-30 16:13:16 +00:00
|
|
|
if (x < x0) {
|
|
|
|
|
x0 = x;
|
|
|
|
|
}
|
|
|
|
|
if (x > x1) {
|
|
|
|
|
x1 = x;
|
|
|
|
|
}
|
|
|
|
|
if (y < y0) {
|
|
|
|
|
y0 = y;
|
|
|
|
|
}
|
|
|
|
|
if (y > y1) {
|
|
|
|
|
y1 = y;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// make connections between screens
|
|
|
|
|
// FIXME -- add support for wrapping
|
|
|
|
|
// FIXME -- mark topmost and leftmost screens
|
|
|
|
|
for (SInt32 y = 0; y < m_h; ++y) {
|
|
|
|
|
for (SInt32 x = 0; x < m_w; ++x) {
|
|
|
|
|
if (!isSet(x, y)) {
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
if (x > x0 && isSet(x - 1, y)) {
|
2002-05-31 14:43:23 +00:00
|
|
|
config.connect(get(x, y),
|
|
|
|
|
CConfig::kLeft,
|
2002-05-30 16:13:16 +00:00
|
|
|
get(x - 1, y));
|
|
|
|
|
}
|
|
|
|
|
if (x < x1 && isSet(x + 1, y)) {
|
2002-05-31 14:43:23 +00:00
|
|
|
config.connect(get(x, y),
|
|
|
|
|
CConfig::kRight,
|
2002-05-30 16:13:16 +00:00
|
|
|
get(x + 1, y));
|
|
|
|
|
}
|
|
|
|
|
if (y > y0 && isSet(x, y - 1)) {
|
2002-05-31 14:43:23 +00:00
|
|
|
config.connect(get(x, y),
|
|
|
|
|
CConfig::kTop,
|
2002-05-30 16:13:16 +00:00
|
|
|
get(x, y - 1));
|
|
|
|
|
}
|
|
|
|
|
if (y < y1 && isSet(x, y + 1)) {
|
2002-05-31 14:43:23 +00:00
|
|
|
config.connect(get(x, y),
|
|
|
|
|
CConfig::kBottom,
|
2002-05-30 16:13:16 +00:00
|
|
|
get(x, y + 1));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
