globalparams.cc

swf文件查看工具,能够看flash文件的格式

Plugin *Plugin::load(char *type, char *name) {
  GString *path;
  Plugin *plugin;
  XpdfPluginVecTable *vt;
  XpdfBool (*xpdfInitPlugin)(void);
#ifdef WIN32
  HMODULE libA;
#else
  void *dlA;
#endif

  path = globalParams->getBaseDir();
  appendToPath(path, "plugins");
  appendToPath(path, type);
  appendToPath(path, name);

#ifdef WIN32
  path->append(".dll");
  if (!(libA = LoadLibrary(path->getCString()))) {
    error(-1, "Failed to load plugin '%s'",
	  path->getCString());
    goto err1;
  }
  if (!(vt = (XpdfPluginVecTable *)
	         GetProcAddress(libA, "xpdfPluginVecTable"))) {
    error(-1, "Failed to find xpdfPluginVecTable in plugin '%s'",
	  path->getCString());
    goto err2;
  }
#else
  //~ need to deal with other extensions here
  path->append(".so");
  if (!(dlA = dlopen(path->getCString(), RTLD_NOW))) {
    error(-1, "Failed to load plugin '%s': %s",
	  path->getCString(), dlerror());
    goto err1;
  }
  if (!(vt = (XpdfPluginVecTable *)dlsym(dlA, "xpdfPluginVecTable"))) {
    error(-1, "Failed to find xpdfPluginVecTable in plugin '%s'",
	  path->getCString());
    goto err2;
  }
#endif

  if (vt->version != xpdfPluginVecTable.version) {
    error(-1, "Plugin '%s' is wrong version", path->getCString());
    goto err2;
  }
  memcpy(vt, &xpdfPluginVecTable, sizeof(xpdfPluginVecTable));

#ifdef WIN32
  if (!(xpdfInitPlugin = (XpdfBool (*)(void))
	                     GetProcAddress(libA, "xpdfInitPlugin"))) {
    error(-1, "Failed to find xpdfInitPlugin in plugin '%s'",
	  path->getCString());
    goto err2;
  }
#else
  if (!(xpdfInitPlugin = (XpdfBool (*)(void))dlsym(dlA, "xpdfInitPlugin"))) {
    error(-1, "Failed to find xpdfInitPlugin in plugin '%s'",
	  path->getCString());
    goto err2;
  }
#endif

  if (!(*xpdfInitPlugin)()) {
    error(-1, "Initialization of plugin '%s' failed",
	  path->getCString());
    goto err2;
  }

#ifdef WIN32
  plugin = new Plugin(libA);
#else
  plugin = new Plugin(dlA);
#endif

  delete path;
  return plugin;

 err2:
#ifdef WIN32
  FreeLibrary(libA);
#else
  dlclose(dlA);
#endif
 err1:
  delete path;
  return NULL;
}

#ifdef WIN32
Plugin::Plugin(HMODULE libA) {
  lib = libA;
}
#else
Plugin::Plugin(void *dlA) {
  dl = dlA;
}
#endif

Plugin::~Plugin() {
  void (*xpdfFreePlugin)(void);

#ifdef WIN32
  if ((xpdfFreePlugin = (void (*)(void))
                            GetProcAddress(lib, "xpdfFreePlugin"))) {
    (*xpdfFreePlugin)();
  }
  FreeLibrary(lib);
#else
  if ((xpdfFreePlugin = (void (*)(void))dlsym(dl, "xpdfFreePlugin"))) {
    (*xpdfFreePlugin)();
  }
  dlclose(dl);
#endif
}

#endif // ENABLE_PLUGINS

//------------------------------------------------------------------------
// parsing
//------------------------------------------------------------------------

GlobalParams::GlobalParams(char *cfgFileName) {
  UnicodeMap *map;
  GString *fileName;
  FILE *f;
  int i;

#if MULTITHREADED
  gInitMutex(&mutex);
  gInitMutex(&unicodeMapCacheMutex);
  gInitMutex(&cMapCacheMutex);
#endif

  initBuiltinFontTables();

  // scan the encoding in reverse because we want the lowest-numbered
  // index for each char name ('space' is encoded twice)
  macRomanReverseMap = new NameToCharCode();
  for (i = 255; i >= 0; --i) {
    if (macRomanEncoding[i]) {
      macRomanReverseMap->add(macRomanEncoding[i], (CharCode)i);
    }
  }

#ifdef WIN32
  // baseDir will be set by a call to setBaseDir
  baseDir = new GString();
#else
  baseDir = appendToPath(getHomeDir(), ".xpdf");
#endif
  nameToUnicode = new NameToCharCode();
  cidToUnicodes = new GHash(gTrue);
  unicodeToUnicodes = new GHash(gTrue);
  residentUnicodeMaps = new GHash();
  unicodeMaps = new GHash(gTrue);
  cMapDirs = new GHash(gTrue);
  toUnicodeDirs = new GList();
  displayFonts = new GHash();
  displayCIDFonts = new GHash();
  displayNamedCIDFonts = new GHash();
#if HAVE_PAPER_H
  char *paperName;
  const struct paper *paperType;
  paperinit();
  if ((paperName = systempapername())) {
    paperType = paperinfo(paperName);
    psPaperWidth = (int)paperpswidth(paperType);
    psPaperHeight = (int)paperpsheight(paperType);
  } else {
    error(-1, "No paper information available - using defaults");
    psPaperWidth = defPaperWidth;
    psPaperHeight = defPaperHeight;
  }
  paperdone();
#else
  psPaperWidth = defPaperWidth;
  psPaperHeight = defPaperHeight;
#endif
  psImageableLLX = psImageableLLY = 0;
  psImageableURX = psPaperWidth;
  psImageableURY = psPaperHeight;
  psCrop = gTrue;
  psExpandSmaller = gFalse;
  psShrinkLarger = gTrue;
  psCenter = gTrue;
  psDuplex = gFalse;
  psLevel = psLevel2;
  psFile = NULL;
  psFonts = new GHash();
  psNamedFonts16 = new GList();
  psFonts16 = new GList();
  psEmbedType1 = gTrue;
  psEmbedTrueType = gTrue;
  psEmbedCIDPostScript = gTrue;
  psEmbedCIDTrueType = gTrue;
  psPreload = gFalse;
  psOPI = gFalse;
  psASCIIHex = gFalse;
  textEncoding = new GString("Latin1");
#if defined(WIN32)
  textEOL = eolDOS;
#elif defined(MACOS)
  textEOL = eolMac;
#else
  textEOL = eolUnix;
#endif
  textPageBreaks = gTrue;
  textKeepTinyChars = gFalse;
  fontDirs = new GList();
  initialZoom = new GString("125");
  continuousView = gFalse;
  enableT1lib = gTrue;
  enableFreeType = gTrue;
  antialias = gTrue;
  vectorAntialias = gTrue;
  strokeAdjust = gTrue;
  screenType = screenUnset;
  screenSize = -1;
  screenDotRadius = -1;
  screenGamma = 1.0;
  screenBlackThreshold = 0.0;
  screenWhiteThreshold = 1.0;
  urlCommand = NULL;
  movieCommand = NULL;
  mapNumericCharNames = gTrue;
  mapUnknownCharNames = gFalse;
  createDefaultKeyBindings();
  printCommands = gFalse;
  errQuiet = gFalse;

  cidToUnicodeCache = new CharCodeToUnicodeCache(cidToUnicodeCacheSize);
  unicodeToUnicodeCache =
      new CharCodeToUnicodeCache(unicodeToUnicodeCacheSize);
  unicodeMapCache = new UnicodeMapCache();
  cMapCache = new CMapCache();

#ifdef WIN32
  winFontList = NULL;
#endif

#ifdef ENABLE_PLUGINS
  plugins = new GList();
  securityHandlers = new GList();
#endif

  // set up the initial nameToUnicode table
  for (i = 0; nameToUnicodeTab[i].name; ++i) {
    nameToUnicode->add(nameToUnicodeTab[i].name, nameToUnicodeTab[i].u);
  }

  // set up the residentUnicodeMaps table
  map = new UnicodeMap("Latin1", gFalse,
		       latin1UnicodeMapRanges, latin1UnicodeMapLen);
  residentUnicodeMaps->add(map->getEncodingName(), map);
  map = new UnicodeMap("ASCII7", gFalse,
		       ascii7UnicodeMapRanges, ascii7UnicodeMapLen);
  residentUnicodeMaps->add(map->getEncodingName(), map);
  map = new UnicodeMap("Symbol", gFalse,
		       symbolUnicodeMapRanges, symbolUnicodeMapLen);
  residentUnicodeMaps->add(map->getEncodingName(), map);
  map = new UnicodeMap("ZapfDingbats", gFalse, zapfDingbatsUnicodeMapRanges,
		       zapfDingbatsUnicodeMapLen);
  residentUnicodeMaps->add(map->getEncodingName(), map);
  map = new UnicodeMap("UTF-8", gTrue, &mapUTF8);
  residentUnicodeMaps->add(map->getEncodingName(), map);
  map = new UnicodeMap("UCS-2", gTrue, &mapUCS2);
  residentUnicodeMaps->add(map->getEncodingName(), map);

  // look for a user config file, then a system-wide config file
  f = NULL;
  fileName = NULL;
  if (cfgFileName && cfgFileName[0]) {
    fileName = new GString(cfgFileName);
    if (!(f = fopen(fileName->getCString(), "r"))) {
      delete fileName;
    }
  }
  if (!f) {
    fileName = appendToPath(getHomeDir(), xpdfUserConfigFile);
    if (!(f = fopen(fileName->getCString(), "r"))) {
      delete fileName;
    }
  }
  if (!f) {
#if defined(WIN32) && !defined(__CYGWIN32__)
    char buf[512];
    i = GetModuleFileName(NULL, buf, sizeof(buf));
    if (i <= 0 || i >= sizeof(buf)) {
      // error or path too long for buffer - just use the current dir
      buf[0] = '\0';
    }
    fileName = grabPath(buf);
    appendToPath(fileName, xpdfSysConfigFile);
#else
    fileName = new GString(xpdfSysConfigFile);
#endif
    if (!(f = fopen(fileName->getCString(), "r"))) {
      delete fileName;
    }
  }
  if (f) {
    parseFile(fileName, f);
    delete fileName;
    fclose(f);
  }
}

void GlobalParams::createDefaultKeyBindings() {
  keyBindings = new GList();

  //----- mouse buttons
  keyBindings->append(new KeyBinding(xpdfKeyCodeMousePress1, xpdfKeyModNone,
				     xpdfKeyContextAny, "startSelection"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeMouseRelease1, xpdfKeyModNone,
				     xpdfKeyContextAny, "endSelection",
				     "followLinkNoSel"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeMousePress2, xpdfKeyModNone,
				     xpdfKeyContextAny, "startPan"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeMouseRelease2, xpdfKeyModNone,
				     xpdfKeyContextAny, "endPan"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeMousePress3, xpdfKeyModNone,
				     xpdfKeyContextAny, "postPopupMenu"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeMousePress4, xpdfKeyModNone,
				     xpdfKeyContextAny,
				     "scrollUpPrevPage(16)"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeMousePress5, xpdfKeyModNone,
				     xpdfKeyContextAny,
				     "scrollDownNextPage(16)"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeMousePress6, xpdfKeyModNone,
				     xpdfKeyContextAny, "scrollLeft(16)"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeMousePress7, xpdfKeyModNone,
				     xpdfKeyContextAny, "scrollRight(16)"));

  //----- keys
  keyBindings->append(new KeyBinding(xpdfKeyCodeHome, xpdfKeyModCtrl,
				     xpdfKeyContextAny, "gotoPage(1)"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeHome, xpdfKeyModNone,
				     xpdfKeyContextAny, "scrollToTopLeft"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeEnd, xpdfKeyModCtrl,
				     xpdfKeyContextAny, "gotoLastPage"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeEnd, xpdfKeyModNone,
				     xpdfKeyContextAny,
				     "scrollToBottomRight"));
  keyBindings->append(new KeyBinding(xpdfKeyCodePgUp, xpdfKeyModNone,
				     xpdfKeyContextAny, "pageUp"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeBackspace, xpdfKeyModNone,
				     xpdfKeyContextAny, "pageUp"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeDelete, xpdfKeyModNone,
				     xpdfKeyContextAny, "pageUp"));
  keyBindings->append(new KeyBinding(xpdfKeyCodePgDn, xpdfKeyModNone,
				     xpdfKeyContextAny, "pageDown"));
  keyBindings->append(new KeyBinding(' ', xpdfKeyModNone,
				     xpdfKeyContextAny, "pageDown"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeLeft, xpdfKeyModNone,
				     xpdfKeyContextAny, "scrollLeft(16)"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeRight, xpdfKeyModNone,
				     xpdfKeyContextAny, "scrollRight(16)"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeUp, xpdfKeyModNone,
				     xpdfKeyContextAny, "scrollUp(16)"));
  keyBindings->append(new KeyBinding(xpdfKeyCodeDown, xpdfKeyModNone,
				     xpdfKeyContextAny, "scrollDown(16)"));
  keyBindings->append(new KeyBinding('o', xpdfKeyModNone,
				     xpdfKeyContextAny, "open"));
  keyBindings->append(new KeyBinding('O', xpdfKeyModNone,
				     xpdfKeyContextAny, "open"));
  keyBindings->append(new KeyBinding('r', xpdfKeyModNone,
				     xpdfKeyContextAny, "reload"));
  keyBindings->append(new KeyBinding('R', xpdfKeyModNone,
				     xpdfKeyContextAny, "reload"));
  keyBindings->append(new KeyBinding('f', xpdfKeyModNone,
				     xpdfKeyContextAny, "find"));
  keyBindings->append(new KeyBinding('F', xpdfKeyModNone,
				     xpdfKeyContextAny, "find"));
  keyBindings->append(new KeyBinding('f', xpdfKeyModCtrl,
				     xpdfKeyContextAny, "find"));
  keyBindings->append(new KeyBinding('g', xpdfKeyModCtrl,
				     xpdfKeyContextAny, "findNext"));
  keyBindings->append(new KeyBinding('p', xpdfKeyModCtrl,
				     xpdfKeyContextAny, "print"));
  keyBindings->append(new KeyBinding('n', xpdfKeyModNone,
				     xpdfKeyContextScrLockOff, "nextPage"));
  keyBindings->append(new KeyBinding('N', xpdfKeyModNone,
				     xpdfKeyContextScrLockOff, "nextPage"));
  keyBindings->append(new KeyBinding('n', xpdfKeyModNone,
				     xpdfKeyContextScrLockOn,
				     "nextPageNoScroll"));
  keyBindings->append(new KeyBinding('N', xpdfKeyModNone,
				     xpdfKeyContextScrLockOn,
				     "nextPageNoScroll"));
  keyBindings->append(new KeyBinding('p', xpdfKeyModNone,
				     xpdfKeyContextScrLockOff, "prevPage"));
  keyBindings->append(new KeyBinding('P', xpdfKeyModNone,
				     xpdfKeyContextScrLockOff, "prevPage"));
  keyBindings->append(new KeyBinding('p', xpdfKeyModNone,
				     xpdfKeyContextScrLockOn,
				     "prevPageNoScroll"));
  keyBindings->append(new KeyBinding('P', xpdfKeyModNone,
				     xpdfKeyContextScrLockOn,
				     "prevPageNoScroll"));
  keyBindings->append(new KeyBinding('v', xpdfKeyModNone,
				     xpdfKeyContextAny, "goForward"));
  keyBindings->append(new KeyBinding('b', xpdfKeyModNone,
				     xpdfKeyContextAny, "goBackward"));
  keyBindings->append(new KeyBinding('g', xpdfKeyModNone,
				     xpdfKeyContextAny, "focusToPageNum"));
  keyBindings->append(new KeyBinding('0', xpdfKeyModNone,
				     xpdfKeyContextAny, "zoomPercent(125)"));
  keyBindings->append(new KeyBinding('+', xpdfKeyModNone,
				     xpdfKeyContextAny, "zoomIn"));
  keyBindings->append(new KeyBinding('-', xpdfKeyModNone,
				     xpdfKeyContextAny, "zoomOut"));
  keyBindings->append(new KeyBinding('z', xpdfKeyModNone,
				     xpdfKeyContextAny, "zoomFitPage"));
  keyBindings->append(new KeyBinding('w', xpdfKeyModNone,
				     xpdfKeyContextAny, "zoomFitWidth"));
  keyBindings->append(new KeyBinding('f', xpdfKeyModAlt,
				     xpdfKeyContextAny,
				     "toggleFullScreenMode"));
  keyBindings->append(new KeyBinding('l', xpdfKeyModCtrl,
				     xpdfKeyContextAny, "redraw"));
  keyBindings->append(new KeyBinding('w', xpdfKeyModCtrl,
				     xpdfKeyContextAny, "closeWindow"));
  keyBindings->append(new KeyBinding('?', xpdfKeyModNone,
				     xpdfKeyContextAny, "about"));
  keyBindings->append(new KeyBinding('q', xpdfKeyModNone,
				     xpdfKeyContextAny, "quit"));
  keyBindings->append(new KeyBinding('Q', xpdfKeyModNone,
				     xpdfKeyContextAny, "quit"));
}

void GlobalParams::parseFile(GString *fileName, FILE *f) {
  int line;
  char buf[512];

  /* extract path */
  if(fileName) {
    char* cfgFileName = fileName->getCString();
    char* pos1 = strrchr(cfgFileName, '/');
    char* pos2 = strrchr(cfgFileName, '\\');
    char* p = pos1>pos2?pos1:pos2;
    int pos = p ? p-cfgFileName : -1;
    GString*path = new GString(new GString(cfgFileName), 0, (pos < 0 ? strlen(cfgFileName): pos));
    if(pos1>=0)
	path->append('/');
    else if(pos2>=0)
	path->append('\\');
    else
#ifdef WIN32
	path->append('\\');
#else
	path->append('/');
#endif
    this->path = path;
  } else {
    this->path = new GString();
  }
  
  line = 1;
  while (getLine(buf, sizeof(buf) - 1, f)) {
    parseLine(buf, fileName, line);
    ++line;
  }
}

void GlobalParams::parseLine(char *buf, GString *fileName, int line) {
  GList *tokens;
  GString *cmd, *incFile;
  char *p1, *p2;
  FILE *f2;

  // break the line into tokens
  tokens = new GList();
  p1 = buf;
  while (*p1) {