gecko-dev/layout/style/ErrorReporter.h

85 строки
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* diagnostic reporting for CSS style sheet parser */
#ifndef mozilla_css_ErrorReporter_h_
#define mozilla_css_ErrorReporter_h_
#include "nsString.h"
struct nsCSSToken;
class nsIDocument;
class nsIURI;
namespace mozilla {
class StyleSheet;
namespace css {
class Loader;
// FIXME(emilio): Probably better to call this ErrorBuilder or something?
class MOZ_STACK_CLASS ErrorReporter final
{
public:
ErrorReporter(const StyleSheet* aSheet,
const Loader* aLoader,
nsIURI* aURI);
~ErrorReporter();
static void ReleaseGlobals();
static void EnsureGlobalsInitialized()
{
if (MOZ_UNLIKELY(!sInitialized)) {
InitGlobals();
}
}
static bool ShouldReportErrors(const nsIDocument&);
static bool ShouldReportErrors(const StyleSheet* aSheet,
const Loader* aLoader);
void OutputError(uint32_t aLineNumber,
uint32_t aLineOffset,
const nsACString& aSource);
void ClearError();
// In all overloads of ReportUnexpected, aMessage is a stringbundle
// name, which will be processed as a format string with the
// indicated number of parameters.
// no parameters
void ReportUnexpected(const char *aMessage);
// one parameter which has already been escaped appropriately
void ReportUnexpectedUnescaped(const char* aMessage,
const nsAutoString& aParam);
private:
void OutputError();
void AddToError(const nsString &aErrorText);
static void InitGlobals();
static bool sInitialized;
static bool sReportErrors;
nsString mError;
nsString mErrorLine;
nsString mFileName;
const StyleSheet* mSheet;
const Loader* mLoader;
nsIURI* mURI;
uint32_t mErrorLineNumber;
uint32_t mPrevErrorLineNumber;
uint32_t mErrorColNumber;
};
} // namespace css
} // namespace mozilla
#endif // mozilla_css_ErrorReporter_h_