зеркало из https://github.com/mozilla/gecko-dev.git
687 строки
16 KiB
C++
687 строки
16 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsICommandLineRunner.h"
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#include "nsICategoryManager.h"
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#include "nsICommandLineHandler.h"
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#include "nsICommandLineValidator.h"
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#include "nsIConsoleService.h"
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#include "nsIClassInfoImpl.h"
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#include "nsIDOMWindow.h"
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#include "nsIFile.h"
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#include "nsISimpleEnumerator.h"
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#include "nsIStringEnumerator.h"
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#include "nsCOMPtr.h"
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#include "mozilla/ModuleUtils.h"
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#include "nsISupportsImpl.h"
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#include "nsNativeCharsetUtils.h"
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#include "nsNetUtil.h"
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#include "nsUnicharUtils.h"
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#include "nsTArray.h"
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#include "nsTextFormatter.h"
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#include "nsXPCOMCID.h"
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#include "plstr.h"
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#include "mozilla/Attributes.h"
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#ifdef MOZ_WIDGET_COCOA
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#include <CoreFoundation/CoreFoundation.h>
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#include "nsILocalFileMac.h"
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#elif defined(XP_WIN)
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#include <windows.h>
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#include <shlobj.h>
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#elif defined(XP_UNIX)
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#include <unistd.h>
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#elif defined(XP_OS2)
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#include <os2.h>
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#endif
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#ifdef DEBUG_bsmedberg
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#define DEBUG_COMMANDLINE
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#endif
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#define NS_COMMANDLINE_CID \
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{ 0x23bcc750, 0xdc20, 0x460b, { 0xb2, 0xd4, 0x74, 0xd8, 0xf5, 0x8d, 0x36, 0x15 } }
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class nsCommandLine MOZ_FINAL : public nsICommandLineRunner
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSICOMMANDLINE
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NS_DECL_NSICOMMANDLINERUNNER
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nsCommandLine();
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protected:
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~nsCommandLine() { }
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typedef nsresult (*EnumerateHandlersCallback)(nsICommandLineHandler* aHandler,
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nsICommandLine* aThis,
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void *aClosure);
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typedef nsresult (*EnumerateValidatorsCallback)(nsICommandLineValidator* aValidator,
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nsICommandLine* aThis,
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void *aClosure);
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void appendArg(const char* arg);
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void resolveShortcutURL(nsIFile* aFile, nsACString& outURL);
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nsresult EnumerateHandlers(EnumerateHandlersCallback aCallback, void *aClosure);
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nsresult EnumerateValidators(EnumerateValidatorsCallback aCallback, void *aClosure);
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nsTArray<nsString> mArgs;
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uint32_t mState;
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nsCOMPtr<nsIFile> mWorkingDir;
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nsCOMPtr<nsIDOMWindow> mWindowContext;
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bool mPreventDefault;
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};
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nsCommandLine::nsCommandLine() :
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mState(STATE_INITIAL_LAUNCH),
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mPreventDefault(false)
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{
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}
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NS_IMPL_CLASSINFO(nsCommandLine, nullptr, 0, NS_COMMANDLINE_CID)
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NS_IMPL_ISUPPORTS2_CI(nsCommandLine,
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nsICommandLine,
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nsICommandLineRunner)
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NS_IMETHODIMP
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nsCommandLine::GetLength(int32_t *aResult)
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{
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*aResult = int32_t(mArgs.Length());
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::GetArgument(int32_t aIndex, nsAString& aResult)
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{
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NS_ENSURE_ARG_MIN(aIndex, 0);
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NS_ENSURE_ARG_MAX(aIndex, int32_t(mArgs.Length() - 1));
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aResult = mArgs[aIndex];
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::FindFlag(const nsAString& aFlag, bool aCaseSensitive, int32_t *aResult)
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{
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NS_ENSURE_ARG(!aFlag.IsEmpty());
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nsDefaultStringComparator caseCmp;
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nsCaseInsensitiveStringComparator caseICmp;
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nsStringComparator& c = aCaseSensitive ?
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static_cast<nsStringComparator&>(caseCmp) :
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static_cast<nsStringComparator&>(caseICmp);
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for (uint32_t f = 0; f < mArgs.Length(); f++) {
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const nsString &arg = mArgs[f];
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if (arg.Length() >= 2 && arg.First() == char16_t('-')) {
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if (aFlag.Equals(Substring(arg, 1), c)) {
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*aResult = f;
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return NS_OK;
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}
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}
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}
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*aResult = -1;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::RemoveArguments(int32_t aStart, int32_t aEnd)
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{
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NS_ENSURE_ARG_MIN(aStart, 0);
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NS_ENSURE_ARG_MAX(uint32_t(aEnd) + 1, mArgs.Length());
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for (int32_t i = aEnd; i >= aStart; --i) {
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mArgs.RemoveElementAt(i);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::HandleFlag(const nsAString& aFlag, bool aCaseSensitive,
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bool *aResult)
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{
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nsresult rv;
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int32_t found;
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rv = FindFlag(aFlag, aCaseSensitive, &found);
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NS_ENSURE_SUCCESS(rv, rv);
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if (found == -1) {
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*aResult = false;
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return NS_OK;
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}
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*aResult = true;
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RemoveArguments(found, found);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::HandleFlagWithParam(const nsAString& aFlag, bool aCaseSensitive,
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nsAString& aResult)
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{
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nsresult rv;
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int32_t found;
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rv = FindFlag(aFlag, aCaseSensitive, &found);
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NS_ENSURE_SUCCESS(rv, rv);
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if (found == -1) {
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aResult.SetIsVoid(true);
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return NS_OK;
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}
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if (found == int32_t(mArgs.Length()) - 1) {
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return NS_ERROR_INVALID_ARG;
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}
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++found;
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if (mArgs[found].First() == '-') {
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return NS_ERROR_INVALID_ARG;
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}
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aResult = mArgs[found];
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RemoveArguments(found - 1, found);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::GetState(uint32_t *aResult)
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{
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*aResult = mState;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::GetPreventDefault(bool *aResult)
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{
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*aResult = mPreventDefault;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::SetPreventDefault(bool aValue)
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{
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mPreventDefault = aValue;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::GetWorkingDirectory(nsIFile* *aResult)
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{
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NS_ENSURE_TRUE(mWorkingDir, NS_ERROR_NOT_INITIALIZED);
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NS_ADDREF(*aResult = mWorkingDir);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::GetWindowContext(nsIDOMWindow* *aResult)
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{
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NS_IF_ADDREF(*aResult = mWindowContext);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::SetWindowContext(nsIDOMWindow* aValue)
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{
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mWindowContext = aValue;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommandLine::ResolveFile(const nsAString& aArgument, nsIFile* *aResult)
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{
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NS_ENSURE_TRUE(mWorkingDir, NS_ERROR_NOT_INITIALIZED);
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// This is some seriously screwed-up code. nsIFile.appendRelativeNativePath
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// explicitly does not accept .. or . path parts, but that is exactly what we
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// need here. So we hack around it.
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nsresult rv;
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#if defined(MOZ_WIDGET_COCOA)
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nsCOMPtr<nsILocalFileMac> lfm (do_QueryInterface(mWorkingDir));
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NS_ENSURE_TRUE(lfm, NS_ERROR_NO_INTERFACE);
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nsCOMPtr<nsILocalFileMac> newfile (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
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NS_ENSURE_TRUE(newfile, NS_ERROR_OUT_OF_MEMORY);
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CFURLRef baseurl;
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rv = lfm->GetCFURL(&baseurl);
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NS_ENSURE_SUCCESS(rv, rv);
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nsAutoCString path;
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NS_CopyUnicodeToNative(aArgument, path);
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CFURLRef newurl =
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CFURLCreateFromFileSystemRepresentationRelativeToBase(nullptr, (const UInt8*) path.get(),
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path.Length(),
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true, baseurl);
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CFRelease(baseurl);
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rv = newfile->InitWithCFURL(newurl);
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CFRelease(newurl);
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if (NS_FAILED(rv)) return rv;
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NS_ADDREF(*aResult = newfile);
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return NS_OK;
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#elif defined(XP_UNIX)
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nsCOMPtr<nsIFile> lf (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
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NS_ENSURE_TRUE(lf, NS_ERROR_OUT_OF_MEMORY);
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if (aArgument.First() == '/') {
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// absolute path
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rv = lf->InitWithPath(aArgument);
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if (NS_FAILED(rv)) return rv;
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NS_ADDREF(*aResult = lf);
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return NS_OK;
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}
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nsAutoCString nativeArg;
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NS_CopyUnicodeToNative(aArgument, nativeArg);
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nsAutoCString newpath;
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mWorkingDir->GetNativePath(newpath);
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newpath.Append('/');
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newpath.Append(nativeArg);
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rv = lf->InitWithNativePath(newpath);
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if (NS_FAILED(rv)) return rv;
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rv = lf->Normalize();
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if (NS_FAILED(rv)) return rv;
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NS_ADDREF(*aResult = lf);
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return NS_OK;
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#elif defined(XP_WIN32)
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nsCOMPtr<nsIFile> lf (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
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NS_ENSURE_TRUE(lf, NS_ERROR_OUT_OF_MEMORY);
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rv = lf->InitWithPath(aArgument);
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if (NS_FAILED(rv)) {
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// If it's a relative path, the Init is *going* to fail. We use string magic and
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// win32 _fullpath. Note that paths of the form "\Relative\To\CurDrive" are
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// going to fail, and I haven't figured out a way to work around this without
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// the PathCombine() function, which is not available in plain win95/nt4
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nsAutoString fullPath;
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mWorkingDir->GetPath(fullPath);
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fullPath.Append('\\');
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fullPath.Append(aArgument);
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WCHAR pathBuf[MAX_PATH];
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if (!_wfullpath(pathBuf, fullPath.get(), MAX_PATH))
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return NS_ERROR_FAILURE;
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rv = lf->InitWithPath(nsDependentString(pathBuf));
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if (NS_FAILED(rv)) return rv;
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}
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NS_ADDREF(*aResult = lf);
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return NS_OK;
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#elif defined(XP_OS2)
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nsCOMPtr<nsIFile> lf (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
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NS_ENSURE_TRUE(lf, NS_ERROR_OUT_OF_MEMORY);
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rv = lf->InitWithPath(aArgument);
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if (NS_FAILED(rv)) {
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nsAutoCString fullPath;
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mWorkingDir->GetNativePath(fullPath);
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nsAutoCString carg;
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NS_CopyUnicodeToNative(aArgument, carg);
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fullPath.Append('\\');
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fullPath.Append(carg);
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char pathBuf[CCHMAXPATH];
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if (DosQueryPathInfo(fullPath.get(), FIL_QUERYFULLNAME, pathBuf, sizeof(pathBuf)))
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return NS_ERROR_FAILURE;
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rv = lf->InitWithNativePath(nsDependentCString(pathBuf));
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if (NS_FAILED(rv)) return rv;
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}
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NS_ADDREF(*aResult = lf);
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return NS_OK;
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#else
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#error Need platform-specific logic here.
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#endif
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}
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NS_IMETHODIMP
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nsCommandLine::ResolveURI(const nsAString& aArgument, nsIURI* *aResult)
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{
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nsresult rv;
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// First, we try to init the argument as an absolute file path. If this doesn't
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// work, it is an absolute or relative URI.
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nsCOMPtr<nsIIOService> io = do_GetIOService();
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NS_ENSURE_TRUE(io, NS_ERROR_OUT_OF_MEMORY);
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nsCOMPtr<nsIURI> workingDirURI;
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if (mWorkingDir) {
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io->NewFileURI(mWorkingDir, getter_AddRefs(workingDirURI));
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}
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nsCOMPtr<nsIFile> lf (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
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rv = lf->InitWithPath(aArgument);
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if (NS_SUCCEEDED(rv)) {
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lf->Normalize();
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nsAutoCString url;
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// Try to resolve the url for .url files.
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resolveShortcutURL(lf, url);
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if (!url.IsEmpty()) {
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return io->NewURI(url,
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nullptr,
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workingDirURI,
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aResult);
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}
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return io->NewFileURI(lf, aResult);
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}
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return io->NewURI(NS_ConvertUTF16toUTF8(aArgument),
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nullptr,
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workingDirURI,
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aResult);
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}
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void
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nsCommandLine::appendArg(const char* arg)
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{
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#ifdef DEBUG_COMMANDLINE
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printf("Adding XP arg: %s\n", arg);
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#endif
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nsAutoString warg;
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#ifdef XP_WIN
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CopyUTF8toUTF16(nsDependentCString(arg), warg);
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#else
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NS_CopyNativeToUnicode(nsDependentCString(arg), warg);
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#endif
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mArgs.AppendElement(warg);
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}
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void
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nsCommandLine::resolveShortcutURL(nsIFile* aFile, nsACString& outURL)
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{
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nsCOMPtr<nsIFileProtocolHandler> fph;
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nsresult rv = NS_GetFileProtocolHandler(getter_AddRefs(fph));
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if (NS_FAILED(rv))
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return;
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nsCOMPtr<nsIURI> uri;
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rv = fph->ReadURLFile(aFile, getter_AddRefs(uri));
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if (NS_FAILED(rv))
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return;
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uri->GetSpec(outURL);
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}
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NS_IMETHODIMP
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nsCommandLine::Init(int32_t argc, const char* const* argv, nsIFile* aWorkingDir,
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uint32_t aState)
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{
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NS_ENSURE_ARG_MAX(aState, 2);
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int32_t i;
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mWorkingDir = aWorkingDir;
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// skip argv[0], we don't want it
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for (i = 1; i < argc; ++i) {
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const char* curarg = argv[i];
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#ifdef DEBUG_COMMANDLINE
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printf("Testing native arg %i: '%s'\n", i, curarg);
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#endif
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#if defined(XP_WIN) || defined(XP_OS2)
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if (*curarg == '/') {
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char* dup = PL_strdup(curarg);
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if (!dup) return NS_ERROR_OUT_OF_MEMORY;
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*dup = '-';
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char* colon = PL_strchr(dup, ':');
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if (colon) {
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*colon = '\0';
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appendArg(dup);
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appendArg(colon+1);
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} else {
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appendArg(dup);
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}
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PL_strfree(dup);
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continue;
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}
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#endif
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#ifdef XP_UNIX
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if (*curarg == '-' &&
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*(curarg+1) == '-') {
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++curarg;
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char* dup = PL_strdup(curarg);
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if (!dup) return NS_ERROR_OUT_OF_MEMORY;
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char* eq = PL_strchr(dup, '=');
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if (eq) {
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*eq = '\0';
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appendArg(dup);
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appendArg(eq + 1);
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} else {
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appendArg(dup);
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}
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PL_strfree(dup);
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continue;
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}
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#endif
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appendArg(curarg);
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}
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mState = aState;
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return NS_OK;
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}
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static void
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LogConsoleMessage(const char16_t* fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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char16_t* msg = nsTextFormatter::vsmprintf(fmt, args);
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va_end(args);
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nsCOMPtr<nsIConsoleService> cs = do_GetService("@mozilla.org/consoleservice;1");
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if (cs)
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cs->LogStringMessage(msg);
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NS_Free(msg);
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}
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nsresult
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nsCommandLine::EnumerateHandlers(EnumerateHandlersCallback aCallback, void *aClosure)
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{
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nsresult rv;
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nsCOMPtr<nsICategoryManager> catman
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(do_GetService(NS_CATEGORYMANAGER_CONTRACTID));
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NS_ENSURE_TRUE(catman, NS_ERROR_UNEXPECTED);
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nsCOMPtr<nsISimpleEnumerator> entenum;
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rv = catman->EnumerateCategory("command-line-handler",
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getter_AddRefs(entenum));
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIUTF8StringEnumerator> strenum (do_QueryInterface(entenum));
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NS_ENSURE_TRUE(strenum, NS_ERROR_UNEXPECTED);
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nsAutoCString entry;
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bool hasMore;
|
|
while (NS_SUCCEEDED(strenum->HasMore(&hasMore)) && hasMore) {
|
|
strenum->GetNext(entry);
|
|
|
|
nsCString contractID;
|
|
rv = catman->GetCategoryEntry("command-line-handler",
|
|
entry.get(),
|
|
getter_Copies(contractID));
|
|
if (NS_FAILED(rv))
|
|
continue;
|
|
|
|
nsCOMPtr<nsICommandLineHandler> clh(do_GetService(contractID.get()));
|
|
if (!clh) {
|
|
LogConsoleMessage(MOZ_UTF16("Contract ID '%s' was registered as a command line handler for entry '%s', but could not be created."),
|
|
contractID.get(), entry.get());
|
|
continue;
|
|
}
|
|
|
|
rv = (aCallback)(clh, this, aClosure);
|
|
if (rv == NS_ERROR_ABORT)
|
|
break;
|
|
|
|
rv = NS_OK;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsCommandLine::EnumerateValidators(EnumerateValidatorsCallback aCallback, void *aClosure)
|
|
{
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsICategoryManager> catman
|
|
(do_GetService(NS_CATEGORYMANAGER_CONTRACTID));
|
|
NS_ENSURE_TRUE(catman, NS_ERROR_UNEXPECTED);
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> entenum;
|
|
rv = catman->EnumerateCategory("command-line-validator",
|
|
getter_AddRefs(entenum));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIUTF8StringEnumerator> strenum (do_QueryInterface(entenum));
|
|
NS_ENSURE_TRUE(strenum, NS_ERROR_UNEXPECTED);
|
|
|
|
nsAutoCString entry;
|
|
bool hasMore;
|
|
while (NS_SUCCEEDED(strenum->HasMore(&hasMore)) && hasMore) {
|
|
strenum->GetNext(entry);
|
|
|
|
nsXPIDLCString contractID;
|
|
rv = catman->GetCategoryEntry("command-line-validator",
|
|
entry.get(),
|
|
getter_Copies(contractID));
|
|
if (!contractID)
|
|
continue;
|
|
|
|
nsCOMPtr<nsICommandLineValidator> clv(do_GetService(contractID.get()));
|
|
if (!clv)
|
|
continue;
|
|
|
|
rv = (aCallback)(clv, this, aClosure);
|
|
if (rv == NS_ERROR_ABORT)
|
|
break;
|
|
|
|
rv = NS_OK;
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
static nsresult
|
|
EnumValidate(nsICommandLineValidator* aValidator, nsICommandLine* aThis, void*)
|
|
{
|
|
return aValidator->Validate(aThis);
|
|
}
|
|
|
|
static nsresult
|
|
EnumRun(nsICommandLineHandler* aHandler, nsICommandLine* aThis, void*)
|
|
{
|
|
return aHandler->Handle(aThis);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsCommandLine::Run()
|
|
{
|
|
nsresult rv;
|
|
|
|
rv = EnumerateValidators(EnumValidate, nullptr);
|
|
if (rv == NS_ERROR_ABORT)
|
|
return rv;
|
|
|
|
rv = EnumerateHandlers(EnumRun, nullptr);
|
|
if (rv == NS_ERROR_ABORT)
|
|
return rv;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
static nsresult
|
|
EnumHelp(nsICommandLineHandler* aHandler, nsICommandLine* aThis, void* aClosure)
|
|
{
|
|
nsresult rv;
|
|
|
|
nsCString text;
|
|
rv = aHandler->GetHelpInfo(text);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
NS_ASSERTION(text.Length() == 0 || text.Last() == '\n',
|
|
"Help text from command line handlers should end in a newline.");
|
|
|
|
nsACString* totalText = reinterpret_cast<nsACString*>(aClosure);
|
|
totalText->Append(text);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsCommandLine::GetHelpText(nsACString& aResult)
|
|
{
|
|
EnumerateHandlers(EnumHelp, &aResult);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_GENERIC_FACTORY_CONSTRUCTOR(nsCommandLine)
|
|
|
|
NS_DEFINE_NAMED_CID(NS_COMMANDLINE_CID);
|
|
|
|
static const mozilla::Module::CIDEntry kCommandLineCIDs[] = {
|
|
{ &kNS_COMMANDLINE_CID, false, nullptr, nsCommandLineConstructor },
|
|
{ nullptr }
|
|
};
|
|
|
|
static const mozilla::Module::ContractIDEntry kCommandLineContracts[] = {
|
|
{ "@mozilla.org/toolkit/command-line;1", &kNS_COMMANDLINE_CID },
|
|
{ nullptr }
|
|
};
|
|
|
|
static const mozilla::Module kCommandLineModule = {
|
|
mozilla::Module::kVersion,
|
|
kCommandLineCIDs,
|
|
kCommandLineContracts
|
|
};
|
|
|
|
NSMODULE_DEFN(CommandLineModule) = &kCommandLineModule;
|