synfig-core/trunk/src/synfig/main.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file synfig/main.cpp
   3 **      \brief \writeme
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2007, 2008 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 //#define SYNFIG_NO_ANGLE
  27
  28 #ifdef USING_PCH
  29 #       include "pch.h"
  30 #else
  31 #ifdef HAVE_CONFIG_H
  32 #       include <config.h>
  33 #endif
  34
  35 #include <iostream>
  36 #include "version.h"
  37 #include "general.h"
  38 #include "module.h"
  39 #include <cstdlib>
  40 #include <ltdl.h>
  41 #include <stdexcept>
  42 #include "target.h"
  43 #include <ETL/stringf>
  44 #include "listimporter.h"
  45 #include "color.h"
  46 #include "vector.h"
  47 #include <fstream>
  48 #include "layer.h"
  49 #include "valuenode.h"
  50
  51 #include "main.h"
  52 #include "loadcanvas.h"
  53
  54 #include "guid.h"
  55
  56 #include "mutex.h"
  57
  58 #ifdef HAVE_SIGNAL_H
  59 #include <signal.h>
  60 #endif
  61
  62 #endif
  63
  64 using namespace std;
  65 using namespace etl;
  66 using namespace synfig;
  67
  68 /* === M A C R O S ========================================================= */
  69
  70 #define MODULE_LIST_FILENAME    "synfig_modules.cfg"
  71
  72 /* === S T A T I C S ======================================================= */
  73
  74 static etl::reference_counter synfig_ref_count_(0);
  75
  76 /* === P R O C E D U R E S ================================================= */
  77
  78 /* === M E T H O D S ======================================================= */
  79
  80 const char *
  81 synfig::get_version()
  82 {
  83 #ifdef VERSION
  84         return VERSION;
  85 #else
  86         return "Unknown";
  87 #endif
  88 }
  89
  90 const char *
  91 synfig::get_build_date()
  92 {
  93         return __DATE__;
  94 }
  95
  96 bool
  97 synfig::check_version_(int version,int vec_size, int color_size,int canvas_size,int layer_size)
  98 {
  99         bool ret=true;
 100
 101         if(version!=SYNFIG_LIBRARY_VERSION)
 102         {
 103                 synfig::error(_("API Version mismatch (LIB:%d, PROG:%d)"),SYNFIG_LIBRARY_VERSION,version);
 104                 ret=false;
 105         }
 106         if(vec_size!=sizeof(Vector))
 107         {
 108                 synfig::error(_("Size of Vector mismatch (app:%d, lib:%d)"),vec_size,sizeof(Vector));
 109                 ret=false;
 110         }
 111         if(color_size!=sizeof(Color))
 112         {
 113                 synfig::error(_("Size of Color mismatch (app:%d, lib:%d)"),color_size,sizeof(Color));
 114                 ret=false;
 115         }
 116         if(canvas_size!=sizeof(Canvas))
 117         {
 118                 synfig::error(_("Size of Canvas mismatch (app:%d, lib:%d)"),canvas_size,sizeof(Canvas));
 119                 ret=false;
 120         }
 121         if(layer_size!=sizeof(Layer))
 122         {
 123                 synfig::error(_("Size of Layer mismatch (app:%d, lib:%d)"),layer_size,sizeof(Layer));
 124                 ret=false;
 125         }
 126
 127         return ret;
 128 }
 129
 130 static void broken_pipe_signal (int /*sig*/)  {
 131         synfig::warning("Broken Pipe...");
 132 }
 133
 134 bool retrieve_modules_to_load(String filename,std::list<String> &modules_to_load)
 135 {
 136         std::ifstream file(filename.c_str());
 137
 138         if(!file)
 139         {
 140                 // warning("Cannot open "+filename);
 141                 return false;
 142         }
 143
 144         while(file)
 145         {
 146                 String modulename;
 147                 getline(file,modulename);
 148                 if(!modulename.empty() && find(modules_to_load.begin(),modules_to_load.end(),modulename)==modules_to_load.end())
 149                         modules_to_load.push_back(modulename);
 150         }
 151
 152         return true;
 153 }
 154
 155 synfig::Main::Main(const synfig::String& basepath,ProgressCallback *cb):
 156         ref_count_(synfig_ref_count_)
 157 {
 158         if(ref_count_.count())
 159                 return;
 160
 161         synfig_ref_count_.reset();
 162         ref_count_=synfig_ref_count_;
 163
 164         // Add initialization after this point
 165
 166 #ifdef ENABLE_NLS
 167         bindtextdomain("synfig", LOCALEDIR);
 168 #endif
 169
 170         String prefix=basepath+"/..";
 171         unsigned int i;
 172 #ifdef _DEBUG
 173         std::set_terminate(__gnu_cxx::__verbose_terminate_handler);
 174 #endif
 175
 176 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
 177         signal(SIGPIPE, broken_pipe_signal);
 178 #endif
 179
 180         //_config_search_path=new vector"string.h"();
 181
 182         // Init the subsystems
 183         if(cb)cb->amount_complete(0, 100);
 184         if(cb)cb->task(_("Starting Subsystem \"Modules\""));
 185         if(!Module::subsys_init(prefix))
 186                 throw std::runtime_error(_("Unable to initialize subsystem \"Module\""));
 187
 188         if(cb)cb->task(_("Starting Subsystem \"Layers\""));
 189         if(!Layer::subsys_init())
 190         {
 191                 Module::subsys_stop();
 192                 throw std::runtime_error(_("Unable to initialize subsystem \"Layers\""));
 193         }
 194
 195         if(cb)cb->task(_("Starting Subsystem \"Targets\""));
 196         if(!Target::subsys_init())
 197         {
 198                 Layer::subsys_stop();
 199                 Module::subsys_stop();
 200                 throw std::runtime_error(_("Unable to initialize subsystem \"Targets\""));
 201         }
 202
 203         if(cb)cb->task(_("Starting Subsystem \"Importers\""));
 204         if(!Importer::subsys_init())
 205         {
 206                 Target::subsys_stop();
 207                 Layer::subsys_stop();
 208                 Module::subsys_stop();
 209                 throw std::runtime_error(_("Unable to initialize subsystem \"Importers\""));
 210         }
 211
 212         if(cb)cb->task(_("Starting Subsystem \"ValueNodes\""));
 213         if(!ValueNode::subsys_init())
 214         {
 215                 Importer::subsys_stop();
 216                 Target::subsys_stop();
 217                 Layer::subsys_stop();
 218                 Module::subsys_stop();
 219                 throw std::runtime_error(_("Unable to initialize subsystem \"ValueNodes\""));
 220         }
 221
 222         // Load up the list importer
 223         Importer::book()[String("lst")]=ListImporter::create;
 224
 225         // Load up the modules
 226         std::list<String> modules_to_load;
 227         std::vector<String> locations;
 228
 229         if(getenv("SYNFIG_MODULE_LIST"))
 230                 locations.push_back(getenv("SYNFIG_MODULE_LIST"));
 231         else
 232         {
 233                 locations.push_back("./"MODULE_LIST_FILENAME);
 234                 locations.push_back("../etc/"MODULE_LIST_FILENAME);
 235                 if(getenv("HOME"))
 236                         locations.push_back(strprintf("%s/.synfig/%s", getenv("HOME"), MODULE_LIST_FILENAME));
 237         #ifdef SYSCONFDIR
 238                 locations.push_back(SYSCONFDIR"/"MODULE_LIST_FILENAME);
 239         #endif
 240                 locations.push_back(prefix+"/etc/"+MODULE_LIST_FILENAME);
 241                 locations.push_back("/usr/local/etc/"MODULE_LIST_FILENAME);
 242         #ifdef __APPLE__
 243                 locations.push_back("/Library/Frameworks/synfig.framework/Resources/"MODULE_LIST_FILENAME);
 244                 locations.push_back("/Library/Synfig/"MODULE_LIST_FILENAME);
 245                 if(getenv("HOME"))
 246                         locations.push_back(strprintf("%s/Library/Synfig/%s", getenv("HOME"), MODULE_LIST_FILENAME));
 247         #endif
 248         #ifdef WIN32
 249                 locations.push_back("C:\\Program Files\\Synfig\\etc\\"MODULE_LIST_FILENAME);
 250         #endif
 251         }
 252
 253         for(i=0;i<locations.size();i++)
 254                 if(retrieve_modules_to_load(locations[i],modules_to_load))
 255                 {
 256                         synfig::info(_("Loading modules from %s"), locations[i].c_str());
 257                         if(cb)cb->task(strprintf(_("Loading modules from %s"),locations[i].c_str()));
 258                         break;
 259                 }
 260
 261         if (i == locations.size())
 262         {
 263                 Importer::subsys_stop();
 264                 Target::subsys_stop();
 265                 Layer::subsys_stop();
 266                 Module::subsys_stop();
 267                 throw std::runtime_error(strprintf(_("Unable to open module list file '%s'"), MODULE_LIST_FILENAME));
 268         }
 269
 270         std::list<String>::iterator iter;
 271
 272         Module::register_default_modules(cb);
 273
 274         for(i=0,iter=modules_to_load.begin();iter!=modules_to_load.end();++iter,i++)
 275         {
 276                 Module::Register(*iter,cb);
 277                 if(cb)cb->amount_complete((i+1)*100,modules_to_load.size()*100);
 278         }
 279
 280         if(cb)cb->amount_complete(100, 100);
 281         if(cb)cb->task(_("DONE"));
 282 }
 283
 284 synfig::Main::~Main()
 285 {
 286         ref_count_.detach();
 287         if(!synfig_ref_count_.unique())
 288                 return;
 289         synfig_ref_count_.detach();
 290
 291         // Add deinitialization after this point
 292
 293         if(get_open_canvas_map().size())
 294         {
 295                 synfig::warning("Canvases still open!");
 296                 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
 297                 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
 298                 {
 299                         synfig::warning("%s: count()=%d",iter->first.c_str(), iter->second.count());
 300                 }
 301         }
 302
 303         // synfig::info("ValueNode::subsys_stop()");
 304         ValueNode::subsys_stop();
 305         // synfig::info("Importer::subsys_stop()");
 306         Importer::subsys_stop();
 307         // synfig::info("Target::subsys_stop()");
 308         Target::subsys_stop();
 309         // synfig::info("Layer::subsys_stop()");
 310         Layer::subsys_stop();
 311         /*! \todo For some reason, uncommenting the next line will cause things to crash.
 312                           This needs to be looked into at some point. */
 313         // synfig::info("Module::subsys_stop()");
 314         // Module::subsys_stop();
 315         // synfig::info("Exiting");
 316
 317 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE)
 318         signal(SIGPIPE, SIG_DFL);
 319 #endif
 320 }
 321
 322 static const String
 323 current_time()
 324 {
 325         const int buflen = 50;
 326         time_t t;
 327         struct tm *lt;
 328         char b[buflen];
 329         time(&t);
 330         lt = localtime(&t);
 331         strftime(b, buflen, " [%X] ", lt);
 332         return String(b);
 333 }
 334
 335 void
 336 synfig::error(const char *format,...)
 337 {
 338         va_list args;
 339         va_start(args,format);
 340         error(vstrprintf(format,args));
 341 }
 342
 343 void
 344 synfig::error(const String &str)
 345 {
 346         static Mutex mutex; Mutex::Lock lock(mutex);
 347         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("error")<<": "+str<<endl;
 348 }
 349
 350 void
 351 synfig::warning(const char *format,...)
 352 {
 353         va_list args;
 354         va_start(args,format);
 355         warning(vstrprintf(format,args));
 356 }
 357
 358 void
 359 synfig::warning(const String &str)
 360 {
 361         static Mutex mutex; Mutex::Lock lock(mutex);
 362         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("warning")<<": "+str<<endl;
 363 }
 364
 365 void
 366 synfig::info(const char *format,...)
 367 {
 368         va_list args;
 369         va_start(args,format);
 370         info(vstrprintf(format,args));
 371 }
 372
 373 void
 374 synfig::info(const String &str)
 375 {
 376         static Mutex mutex; Mutex::Lock lock(mutex);
 377         cerr<<"synfig("<<getpid()<<")"<<current_time()<<_("info")<<": "+str<<endl;
 378 }