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 nsCharsetSource {
  10   kCharsetUninitialized,
  11   kCharsetFromFallback,
  12   kCharsetFromDocTypeDefault,  // This and up confident for XHR
  13   // Start subdividing source for telemetry purposes
  14   kCharsetFromInitialAutoDetectionASCII,
  15   kCharsetFromInitialAutoDetectionWouldHaveBeenUTF8,
  16   kCharsetFromInitialAutoDetectionWouldNotHaveBeenUTF8Generic,
  17   kCharsetFromInitialAutoDetectionWouldNotHaveBeenUTF8Content,
  18   kCharsetFromInitialAutoDetectionWouldNotHaveBeenUTF8DependedOnTLD,
  19   // End subdividing source for telemetry purposes
  20   kCharsetFromParentFrame,  // Same-origin parent takes precedence over detector
  21                             // to avoid breaking tests. (Also, the HTML spec
  22                             // says so.)
  23   kCharsetFromXmlDeclaration,
  24   kCharsetFromMetaTag,
  25   kCharsetFromChannel,
  26   kCharsetFromOtherComponent,
  27   kCharsetFromInitialUserForcedAutoDetection,
  28   // Start subdividing source for telemetry purposes
  29   // Deliberately no Final version of ASCII
  30   kCharsetFromFinalAutoDetectionWouldHaveBeenUTF8,
  31   kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8Generic,
  32   kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8Content,
  33   kCharsetFromFinalAutoDetectionWouldNotHaveBeenUTF8DependedOnTLD,
  34   kCharsetFromFinalAutoDetectionFile,
  35   // End subdividing source for telemetry purposes
  36   kCharsetFromFinalUserForcedAutoDetection,
  37   kCharsetFromXmlDeclarationUtf16,  // This one is overridden by
  38                                     // kCharsetFromChannel
  39   kCharsetFromByteOrderMark,
  40   kCharsetFromUtf8OnlyMime,  // For JSON, WebVTT and such
  41   kCharsetFromBuiltIn,       // resource: URLs
  42 };
  43
  44 #endif /* nsCharsetSource_h_ */