tor-browser

The Tor Browser
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ErrorReporter.h (2020B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 /* diagnostic reporting for CSS style sheet parser */
      8 
      9 #ifndef mozilla_css_ErrorReporter_h_
     10 #define mozilla_css_ErrorReporter_h_
     11 
     12 #include "nsString.h"
     13 
     14 struct nsCSSToken;
     15 class nsIURI;
     16 
     17 namespace mozilla {
     18 class StyleSheet;
     19 
     20 namespace dom {
     21 class Document;
     22 }
     23 
     24 namespace css {
     25 
     26 class Loader;
     27 
     28 // FIXME(emilio): Probably better to call this ErrorBuilder or something?
     29 class MOZ_STACK_CLASS ErrorReporter final {
     30 public:
     31  explicit ErrorReporter(uint64_t aInnerWindowId);
     32  ~ErrorReporter();
     33 
     34  static void ReleaseGlobals();
     35  static void EnsureGlobalsInitialized() {
     36    if (MOZ_UNLIKELY(!sInitialized)) {
     37      InitGlobals();
     38    }
     39  }
     40 
     41  static bool ShouldReportErrors(const dom::Document&);
     42  static bool ShouldReportErrors(const StyleSheet*, const Loader*);
     43  static uint64_t FindInnerWindowId(const StyleSheet*, const Loader*);
     44 
     45  void OutputError(const nsACString& aSelectors, uint32_t aLineNumber,
     46                   uint32_t aColNumber, nsIURI* aURI);
     47  void ClearError();
     48 
     49  // In all overloads of ReportUnexpected, aMessage is a stringbundle
     50  // name, which will be processed as a format string with the
     51  // indicated number of parameters.
     52 
     53  // no parameters
     54  void ReportUnexpected(const char* aMessage);
     55  // one parameter which has already been escaped appropriately
     56  void ReportUnexpectedUnescaped(const char* aMessage,
     57                                 const nsTArray<nsString>& aParam);
     58 
     59 private:
     60  void AddToError(const nsString& aErrorText);
     61  static void InitGlobals();
     62 
     63  static bool sInitialized;
     64  static bool sReportErrors;
     65 
     66  nsString mError;
     67  const uint64_t mInnerWindowId;
     68 };
     69 
     70 }  // namespace css
     71 }  // namespace mozilla
     72 
     73 #endif  // mozilla_css_ErrorReporter_h_