diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /layout/style/test/ParseCSS.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/style/test/ParseCSS.cpp')
-rw-r--r-- | layout/style/test/ParseCSS.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/layout/style/test/ParseCSS.cpp b/layout/style/test/ParseCSS.cpp new file mode 100644 index 0000000000..04e37d48e2 --- /dev/null +++ b/layout/style/test/ParseCSS.cpp @@ -0,0 +1,80 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +// vim:cindent:ts=8:et:sw=4: +/* 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/. */ + +/* + * This file is meant to be used with |#define CSS_REPORT_PARSE_ERRORS| + * in mozilla/dom/html/style/src/nsCSSScanner.h uncommented, and the + * |#ifdef DEBUG| block in nsCSSScanner::OutputError (in + * nsCSSScanner.cpp in the same directory) used (even if not a debug + * build). + */ + +#include "nsXPCOM.h" +#include "nsCOMPtr.h" + +#include "nsIFile.h" +#include "nsNetUtil.h" + +#include "nsContentCID.h" +#include "mozilla/StyleSheetInlines.h" +#include "mozilla/css/Loader.h" + +using namespace mozilla; + +static already_AddRefed<nsIURI> FileToURI(const char* aFilename, + nsresult* aRv = 0) { + nsCOMPtr<nsIFile> lf(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, aRv)); + NS_ENSURE_TRUE(lf, nullptr); + // XXX Handle relative paths somehow. + lf->InitWithNativePath(nsDependentCString(aFilename)); + + nsIURI* uri = nullptr; + nsresult rv = NS_NewFileURI(&uri, lf); + if (aRv) *aRv = rv; + return uri; +} + +static int ParseCSSFile(nsIURI* aSheetURI) { + RefPtr<mozilla::css::Loader> = new mozilla::css::Loader(); + RefPtr<CSSStyleSheet> sheet; + loader->LoadSheetSync(aSheetURI, getter_AddRefs(sheet)); + NS_ASSERTION(sheet, "sheet load failed"); + /* This can happen if the file can't be found (e.g. you + * ask for a relative path and xpcom/io rejects it) + */ + if (!sheet) return -1; + bool complete; + sheet->GetComplete(complete); + NS_ASSERTION(complete, "synchronous load did not complete"); + if (!complete) return -2; + return 0; +} + +int main(int argc, char** argv) { + if (argc < 2) { + fprintf(stderr, "%s [FILE]...\n", argv[0]); + } + nsresult rv = NS_InitXPCOM(nullptr, nullptr, nullptr); + if (NS_FAILED(rv)) return (int)rv; + + int res = 0; + for (int i = 1; i < argc; ++i) { + const char* filename = argv[i]; + + printf("\nParsing %s.\n", filename); + + nsCOMPtr<nsIURI> uri = FileToURI(filename, &rv); + if (rv == NS_ERROR_OUT_OF_MEMORY) { + fprintf(stderr, "Out of memory.\n"); + return 1; + } + if (uri) res = ParseCSSFile(uri); + } + + NS_ShutdownXPCOM(nullptr); + + return res; +} |