parser/nsCharsetSource.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   3  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef nsCharsetSource_h_
   6 #define nsCharsetSource_h_
   7
   8 // note: the value order defines the priority; higher numbers take priority
   9 enum {
  10   kCharsetUninitialized,
  11   kCharsetFromFallback,
  12   kCharsetFromDocTypeDefault,  // This and up confident for XHR
  13   // Start subdividing source for telementry purposes
  14   kCharsetFromInitialAutoDetectionASCII,
  15   kCharsetFromInitialAutoDetectionWouldHaveBeenUTF8,
  16   kCharsetFromInitialAutoDetectionWouldNotHaveBeenUTF8Generic,
  17   kCharsetFromInitialAutoDetectionWouldNotHaveBeenUTF8Content,
  18   kCharsetFromInitialAutoDetectionWouldNotHaveBeenUTF8DependedOnTLD,
  19   // Deliberately no Final version of ASCII
  20   kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8,
  21   kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8Generic,
  22   kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8Content,
  23   kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLD,
  24   kCharsetFromFinalAutoDetectionFile,
  25   // End subdividing source for telementry purposes
  26   kCharsetFromParentFrame,  // Same-origin parent takes precedence over detector
  27                             // to avoid breaking tests. (Also, the HTML spec
  28                             // says so.)
  29   kCharsetFromXmlDeclaration,
  30   kCharsetFromMetaPrescan,  // this one and smaller: HTML5 Tentative
  31   kCharsetFromMetaTag,      // this one and greater: HTML5 Confident
  32   kCharsetFromChannel,
  33   kCharsetFromOtherComponent,
  34   kCharsetFromPendingUserForcedAutoDetection,  // Marker value to be upgraded
  35                                                // later
  36   kCharsetFromInitialUserForcedAutoDetection,
  37   kCharsetFromFinalUserForcedAutoDetection,
  38   kCharsetFromXmlDeclarationUtf16,        // This one is overridden by
  39                                           // kCharsetFromChannel
  40   kCharsetFromIrreversibleAutoDetection,  // This one is overridden by
  41                                           // kCharsetFromChannel
  42   kCharsetFromByteOrderMark,
  43   kCharsetFromUtf8OnlyMime,  // For JSON, WebVTT and such
  44   kCharsetFromBuiltIn,       // resource: URLs
  45 };
  46
  47 #endif /* nsCharsetSource_h_ */