michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: // vim:cindent:ts=8:et:sw=4:
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  * This file is meant to be used with |#define CSS_REPORT_PARSE_ERRORS|
michael@0:  * in mozilla/content/html/style/src/nsCSSScanner.h uncommented, and the
michael@0:  * |#ifdef DEBUG| block in nsCSSScanner::OutputError (in
michael@0:  * nsCSSScanner.cpp in the same directory) used (even if not a debug
michael@0:  * build).
michael@0:  */
michael@0: 
michael@0: #include "nsXPCOM.h"
michael@0: #include "nsCOMPtr.h"
michael@0: 
michael@0: #include "nsIFile.h"
michael@0: #include "nsNetUtil.h"
michael@0: 
michael@0: #include "nsContentCID.h"
michael@0: #include "mozilla/css/Loader.h"
michael@0: #include "nsCSSStyleSheet.h"
michael@0: 
michael@0: static already_AddRefed<nsIURI>
michael@0: FileToURI(const char *aFilename, nsresult *aRv = 0)
michael@0: {
michael@0:     nsCOMPtr<nsIFile> lf(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, aRv));
michael@0:     NS_ENSURE_TRUE(lf, nullptr);
michael@0:     // XXX Handle relative paths somehow.
michael@0:     lf->InitWithNativePath(nsDependentCString(aFilename));
michael@0: 
michael@0:     nsIURI *uri = nullptr;
michael@0:     nsresult rv = NS_NewFileURI(&uri, lf);
michael@0:     if (aRv)
michael@0:         *aRv = rv;
michael@0:     return uri;
michael@0: }
michael@0: 
michael@0: static int
michael@0: ParseCSSFile(nsIURI *aSheetURI)
michael@0: {
michael@0:     nsRefPtr<mozilla::css::Loader> = new mozilla::css::Loader();
michael@0:     nsRefPtr<nsCSSStyleSheet> sheet;
michael@0:     loader->LoadSheetSync(aSheetURI, getter_AddRefs(sheet));
michael@0:     NS_ASSERTION(sheet, "sheet load failed");
michael@0:     /* This can happen if the file can't be found (e.g. you
michael@0:      * ask for a relative path and xpcom/io rejects it)
michael@0:      */
michael@0:     if (!sheet)
michael@0:         return -1;
michael@0:     bool complete;
michael@0:     sheet->GetComplete(complete);
michael@0:     NS_ASSERTION(complete, "synchronous load did not complete");
michael@0:     if (!complete)
michael@0:         return -2;
michael@0:     return 0;
michael@0: }
michael@0: 
michael@0: int main(int argc, char** argv)
michael@0: {
michael@0:     if (argc < 2) {
michael@0:         fprintf(stderr, "%s [FILE]...\n", argv[0]);
michael@0:     }
michael@0:     nsresult rv = NS_InitXPCOM2(nullptr, nullptr, nullptr);
michael@0:     if (NS_FAILED(rv))
michael@0:         return (int)rv;
michael@0: 
michael@0:     int res = 0;
michael@0:     for (int i = 1; i < argc; ++i) {
michael@0:         const char *filename = argv[i];
michael@0: 
michael@0:         printf("\nParsing %s.\n", filename);
michael@0: 
michael@0:         nsCOMPtr<nsIURI> uri = FileToURI(filename, &rv);
michael@0:         if (rv == NS_ERROR_OUT_OF_MEMORY) {
michael@0:             fprintf(stderr, "Out of memory.\n");
michael@0:             return 1;
michael@0:         }
michael@0:         if (uri)
michael@0:             res = ParseCSSFile(uri);
michael@0:     }
michael@0: 
michael@0:     NS_ShutdownXPCOM(nullptr);
michael@0: 
michael@0:     return res;
michael@0: }