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https://github.com/mozilla/gecko-dev.git
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818aafcc15
sync and which return async, move the handling of alternates more completely into the CSSLoader, make it possible for observers to tell whether the load actually succeeded. Bug 293825, r+sr=peterv
122 lines
3.9 KiB
C++
122 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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// vim:cindent:ts=8:et:sw=4:
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is L. David Baron.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* L. David Baron <dbaron@dbaron.org> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* This file is meant to be used with |#define CSS_REPORT_PARSE_ERRORS|
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* in mozilla/content/html/style/src/nsCSSScanner.h uncommented, and the
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* |#ifdef DEBUG| block in nsCSSScanner::OutputError (in
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* nsCSSScanner.cpp in the same directory) used (even if not a debug
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* build).
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*/
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#include "nsXPCOM.h"
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#include "nsCOMPtr.h"
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#include "nsILocalFile.h"
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#include "nsNetUtil.h"
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#include "nsContentCID.h"
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#include "nsICSSLoader.h"
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#include "nsICSSStyleSheet.h"
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static NS_DEFINE_CID(kCSSLoaderCID, NS_CSS_LOADER_CID);
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static already_AddRefed<nsIURI>
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FileToURI(const char *aFilename, nsresult *aRv = 0)
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{
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nsCOMPtr<nsILocalFile> lf(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, aRv));
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NS_ENSURE_TRUE(lf, nsnull);
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// XXX Handle relative paths somehow.
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lf->InitWithNativePath(nsDependentCString(aFilename));
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nsIURI *uri = nsnull;
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nsresult rv = NS_NewFileURI(&uri, lf);
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if (aRv)
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*aRv = rv;
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return uri;
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}
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static int
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ParseCSSFile(nsIURI *aSheetURI)
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{
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nsCOMPtr<nsICSSLoader> loader(do_CreateInstance(kCSSLoaderCID));
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nsCOMPtr<nsICSSStyleSheet> sheet;
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loader->LoadSheetSync(aSheetURI, getter_AddRefs(sheet));
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NS_ASSERTION(sheet, "sheet load failed");
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/* This can happen if the file can't be found (e.g. you
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* ask for a relative path and xpcom/io rejects it)
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*/
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if (!sheet)
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return -1;
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PRBool complete;
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sheet->GetComplete(complete);
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NS_ASSERTION(complete, "synchronous load did not complete");
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if (!complete)
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return -2;
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return 0;
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}
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int main(int argc, char** argv)
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{
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if (argc < 2) {
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fprintf(stderr, "%s [FILE]...\n", argv[0]);
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}
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nsresult rv = NS_InitXPCOM2(nsnull, nsnull, nsnull);
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if (NS_FAILED(rv))
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return (int)rv;
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int res = 0;
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for (int i = 1; i < argc; ++i) {
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const char *filename = argv[i];
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printf("\nParsing %s.\n", filename);
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nsCOMPtr<nsIURI> uri = FileToURI(filename, &rv);
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if (rv == NS_ERROR_OUT_OF_MEMORY) {
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fprintf(stderr, "Out of memory.\n");
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return 1;
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}
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if (uri)
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res = ParseCSSFile(uri);
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}
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NS_ShutdownXPCOM(nsnull);
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return res;
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}
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