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-rw-r--r--toolkit/components/commandlines/nsCommandLine.cpp660
1 files changed, 660 insertions, 0 deletions
diff --git a/toolkit/components/commandlines/nsCommandLine.cpp b/toolkit/components/commandlines/nsCommandLine.cpp
new file mode 100644
index 000000000..280b1d24a
--- /dev/null
+++ b/toolkit/components/commandlines/nsCommandLine.cpp
@@ -0,0 +1,660 @@
+/* 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/. */
+
+#include "nsICommandLineRunner.h"
+
+#include "nsICategoryManager.h"
+#include "nsICommandLineHandler.h"
+#include "nsICommandLineValidator.h"
+#include "nsIConsoleService.h"
+#include "nsIClassInfoImpl.h"
+#include "nsIDOMWindow.h"
+#include "nsIFile.h"
+#include "nsISimpleEnumerator.h"
+#include "nsIStringEnumerator.h"
+
+#include "nsCOMPtr.h"
+#include "mozilla/ModuleUtils.h"
+#include "nsISupportsImpl.h"
+#include "nsNativeCharsetUtils.h"
+#include "nsNetUtil.h"
+#include "nsIFileProtocolHandler.h"
+#include "nsIURI.h"
+#include "nsUnicharUtils.h"
+#include "nsTArray.h"
+#include "nsTextFormatter.h"
+#include "nsXPCOMCID.h"
+#include "plstr.h"
+#include "mozilla/Attributes.h"
+
+#ifdef MOZ_WIDGET_COCOA
+#include <CoreFoundation/CoreFoundation.h>
+#include "nsILocalFileMac.h"
+#elif defined(XP_WIN)
+#include <windows.h>
+#include <shlobj.h>
+#elif defined(XP_UNIX)
+#include <unistd.h>
+#endif
+
+#ifdef DEBUG_bsmedberg
+#define DEBUG_COMMANDLINE
+#endif
+
+#define NS_COMMANDLINE_CID \
+ { 0x23bcc750, 0xdc20, 0x460b, { 0xb2, 0xd4, 0x74, 0xd8, 0xf5, 0x8d, 0x36, 0x15 } }
+
+class nsCommandLine final : public nsICommandLineRunner
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSICOMMANDLINE
+ NS_DECL_NSICOMMANDLINERUNNER
+
+ nsCommandLine();
+
+protected:
+ ~nsCommandLine() { }
+
+ typedef nsresult (*EnumerateHandlersCallback)(nsICommandLineHandler* aHandler,
+ nsICommandLine* aThis,
+ void *aClosure);
+ typedef nsresult (*EnumerateValidatorsCallback)(nsICommandLineValidator* aValidator,
+ nsICommandLine* aThis,
+ void *aClosure);
+
+ void appendArg(const char* arg);
+ MOZ_MUST_USE nsresult resolveShortcutURL(nsIFile* aFile, nsACString& outURL);
+ nsresult EnumerateHandlers(EnumerateHandlersCallback aCallback, void *aClosure);
+ nsresult EnumerateValidators(EnumerateValidatorsCallback aCallback, void *aClosure);
+
+ nsTArray<nsString> mArgs;
+ uint32_t mState;
+ nsCOMPtr<nsIFile> mWorkingDir;
+ nsCOMPtr<nsIDOMWindow> mWindowContext;
+ bool mPreventDefault;
+};
+
+nsCommandLine::nsCommandLine() :
+ mState(STATE_INITIAL_LAUNCH),
+ mPreventDefault(false)
+{
+
+}
+
+
+NS_IMPL_CLASSINFO(nsCommandLine, nullptr, 0, NS_COMMANDLINE_CID)
+NS_IMPL_ISUPPORTS_CI(nsCommandLine,
+ nsICommandLine,
+ nsICommandLineRunner)
+
+NS_IMETHODIMP
+nsCommandLine::GetLength(int32_t *aResult)
+{
+ *aResult = int32_t(mArgs.Length());
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::GetArgument(int32_t aIndex, nsAString& aResult)
+{
+ NS_ENSURE_ARG_MIN(aIndex, 0);
+ NS_ENSURE_ARG_MAX(aIndex, int32_t(mArgs.Length() - 1));
+
+ aResult = mArgs[aIndex];
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::FindFlag(const nsAString& aFlag, bool aCaseSensitive, int32_t *aResult)
+{
+ NS_ENSURE_ARG(!aFlag.IsEmpty());
+
+ nsDefaultStringComparator caseCmp;
+ nsCaseInsensitiveStringComparator caseICmp;
+ nsStringComparator& c = aCaseSensitive ?
+ static_cast<nsStringComparator&>(caseCmp) :
+ static_cast<nsStringComparator&>(caseICmp);
+
+ for (uint32_t f = 0; f < mArgs.Length(); f++) {
+ const nsString &arg = mArgs[f];
+
+ if (arg.Length() >= 2 && arg.First() == char16_t('-')) {
+ if (aFlag.Equals(Substring(arg, 1), c)) {
+ *aResult = f;
+ return NS_OK;
+ }
+ }
+ }
+
+ *aResult = -1;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::RemoveArguments(int32_t aStart, int32_t aEnd)
+{
+ NS_ENSURE_ARG_MIN(aStart, 0);
+ NS_ENSURE_ARG_MAX(uint32_t(aEnd) + 1, mArgs.Length());
+
+ for (int32_t i = aEnd; i >= aStart; --i) {
+ mArgs.RemoveElementAt(i);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::HandleFlag(const nsAString& aFlag, bool aCaseSensitive,
+ bool *aResult)
+{
+ nsresult rv;
+
+ int32_t found;
+ rv = FindFlag(aFlag, aCaseSensitive, &found);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (found == -1) {
+ *aResult = false;
+ return NS_OK;
+ }
+
+ *aResult = true;
+ RemoveArguments(found, found);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::HandleFlagWithParam(const nsAString& aFlag, bool aCaseSensitive,
+ nsAString& aResult)
+{
+ nsresult rv;
+
+ int32_t found;
+ rv = FindFlag(aFlag, aCaseSensitive, &found);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (found == -1) {
+ aResult.SetIsVoid(true);
+ return NS_OK;
+ }
+
+ if (found == int32_t(mArgs.Length()) - 1) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ ++found;
+
+ if (mArgs[found].First() == '-') {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ aResult = mArgs[found];
+ RemoveArguments(found - 1, found);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::GetState(uint32_t *aResult)
+{
+ *aResult = mState;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::GetPreventDefault(bool *aResult)
+{
+ *aResult = mPreventDefault;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::SetPreventDefault(bool aValue)
+{
+ mPreventDefault = aValue;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::GetWorkingDirectory(nsIFile* *aResult)
+{
+ NS_ENSURE_TRUE(mWorkingDir, NS_ERROR_NOT_INITIALIZED);
+
+ NS_ADDREF(*aResult = mWorkingDir);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::GetWindowContext(nsIDOMWindow* *aResult)
+{
+ NS_IF_ADDREF(*aResult = mWindowContext);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::SetWindowContext(nsIDOMWindow* aValue)
+{
+ mWindowContext = aValue;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommandLine::ResolveFile(const nsAString& aArgument, nsIFile* *aResult)
+{
+ NS_ENSURE_TRUE(mWorkingDir, NS_ERROR_NOT_INITIALIZED);
+
+ // This is some seriously screwed-up code. nsIFile.appendRelativeNativePath
+ // explicitly does not accept .. or . path parts, but that is exactly what we
+ // need here. So we hack around it.
+
+ nsresult rv;
+
+#if defined(MOZ_WIDGET_COCOA)
+ nsCOMPtr<nsILocalFileMac> lfm (do_QueryInterface(mWorkingDir));
+ NS_ENSURE_TRUE(lfm, NS_ERROR_NO_INTERFACE);
+
+ nsCOMPtr<nsILocalFileMac> newfile (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
+ NS_ENSURE_TRUE(newfile, NS_ERROR_OUT_OF_MEMORY);
+
+ CFURLRef baseurl;
+ rv = lfm->GetCFURL(&baseurl);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsAutoCString path;
+ NS_CopyUnicodeToNative(aArgument, path);
+
+ CFURLRef newurl =
+ CFURLCreateFromFileSystemRepresentationRelativeToBase(nullptr, (const UInt8*) path.get(),
+ path.Length(),
+ true, baseurl);
+
+ CFRelease(baseurl);
+
+ rv = newfile->InitWithCFURL(newurl);
+ CFRelease(newurl);
+ if (NS_FAILED(rv)) return rv;
+
+ newfile.forget(aResult);
+ return NS_OK;
+
+#elif defined(XP_UNIX)
+ nsCOMPtr<nsIFile> lf (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
+ NS_ENSURE_TRUE(lf, NS_ERROR_OUT_OF_MEMORY);
+
+ if (aArgument.First() == '/') {
+ // absolute path
+ rv = lf->InitWithPath(aArgument);
+ if (NS_FAILED(rv)) return rv;
+
+ NS_ADDREF(*aResult = lf);
+ return NS_OK;
+ }
+
+ nsAutoCString nativeArg;
+ NS_CopyUnicodeToNative(aArgument, nativeArg);
+
+ nsAutoCString newpath;
+ mWorkingDir->GetNativePath(newpath);
+
+ newpath.Append('/');
+ newpath.Append(nativeArg);
+
+ rv = lf->InitWithNativePath(newpath);
+ if (NS_FAILED(rv)) return rv;
+
+ rv = lf->Normalize();
+ if (NS_FAILED(rv)) return rv;
+
+ lf.forget(aResult);
+ return NS_OK;
+
+#elif defined(XP_WIN32)
+ nsCOMPtr<nsIFile> lf (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
+ NS_ENSURE_TRUE(lf, NS_ERROR_OUT_OF_MEMORY);
+
+ rv = lf->InitWithPath(aArgument);
+ if (NS_FAILED(rv)) {
+ // If it's a relative path, the Init is *going* to fail. We use string magic and
+ // win32 _fullpath. Note that paths of the form "\Relative\To\CurDrive" are
+ // going to fail, and I haven't figured out a way to work around this without
+ // the PathCombine() function, which is not available in plain win95/nt4
+
+ nsAutoString fullPath;
+ mWorkingDir->GetPath(fullPath);
+
+ fullPath.Append('\\');
+ fullPath.Append(aArgument);
+
+ WCHAR pathBuf[MAX_PATH];
+ if (!_wfullpath(pathBuf, fullPath.get(), MAX_PATH))
+ return NS_ERROR_FAILURE;
+
+ rv = lf->InitWithPath(nsDependentString(pathBuf));
+ if (NS_FAILED(rv)) return rv;
+ }
+ lf.forget(aResult);
+ return NS_OK;
+
+#else
+#error Need platform-specific logic here.
+#endif
+}
+
+NS_IMETHODIMP
+nsCommandLine::ResolveURI(const nsAString& aArgument, nsIURI* *aResult)
+{
+ nsresult rv;
+
+ // First, we try to init the argument as an absolute file path. If this doesn't
+ // work, it is an absolute or relative URI.
+
+ nsCOMPtr<nsIIOService> io = do_GetIOService();
+ NS_ENSURE_TRUE(io, NS_ERROR_OUT_OF_MEMORY);
+
+ nsCOMPtr<nsIURI> workingDirURI;
+ if (mWorkingDir) {
+ io->NewFileURI(mWorkingDir, getter_AddRefs(workingDirURI));
+ }
+
+ nsCOMPtr<nsIFile> lf (do_CreateInstance(NS_LOCAL_FILE_CONTRACTID));
+ rv = lf->InitWithPath(aArgument);
+ if (NS_SUCCEEDED(rv)) {
+ lf->Normalize();
+ nsAutoCString url;
+ // Try to resolve the url for .url files.
+ rv = resolveShortcutURL(lf, url);
+ if (NS_SUCCEEDED(rv) && !url.IsEmpty()) {
+ return io->NewURI(url,
+ nullptr,
+ workingDirURI,
+ aResult);
+ }
+
+ return io->NewFileURI(lf, aResult);
+ }
+
+ return io->NewURI(NS_ConvertUTF16toUTF8(aArgument),
+ nullptr,
+ workingDirURI,
+ aResult);
+}
+
+void
+nsCommandLine::appendArg(const char* arg)
+{
+#ifdef DEBUG_COMMANDLINE
+ printf("Adding XP arg: %s\n", arg);
+#endif
+
+ nsAutoString warg;
+#ifdef XP_WIN
+ CopyUTF8toUTF16(nsDependentCString(arg), warg);
+#else
+ NS_CopyNativeToUnicode(nsDependentCString(arg), warg);
+#endif
+
+ mArgs.AppendElement(warg);
+}
+
+nsresult
+nsCommandLine::resolveShortcutURL(nsIFile* aFile, nsACString& outURL)
+{
+ nsCOMPtr<nsIFileProtocolHandler> fph;
+ nsresult rv = NS_GetFileProtocolHandler(getter_AddRefs(fph));
+ if (NS_FAILED(rv))
+ return rv;
+
+ nsCOMPtr<nsIURI> uri;
+ rv = fph->ReadURLFile(aFile, getter_AddRefs(uri));
+ if (NS_FAILED(rv))
+ return rv;
+
+ return uri->GetSpec(outURL);
+}
+
+NS_IMETHODIMP
+nsCommandLine::Init(int32_t argc, const char* const* argv, nsIFile* aWorkingDir,
+ uint32_t aState)
+{
+ NS_ENSURE_ARG_MAX(aState, 2);
+
+ int32_t i;
+
+ mWorkingDir = aWorkingDir;
+
+ // skip argv[0], we don't want it
+ for (i = 1; i < argc; ++i) {
+ const char* curarg = argv[i];
+
+#ifdef DEBUG_COMMANDLINE
+ printf("Testing native arg %i: '%s'\n", i, curarg);
+#endif
+#if defined(XP_WIN)
+ if (*curarg == '/') {
+ char* dup = PL_strdup(curarg);
+ if (!dup) return NS_ERROR_OUT_OF_MEMORY;
+
+ *dup = '-';
+ char* colon = PL_strchr(dup, ':');
+ if (colon) {
+ *colon = '\0';
+ appendArg(dup);
+ appendArg(colon+1);
+ } else {
+ appendArg(dup);
+ }
+ PL_strfree(dup);
+ continue;
+ }
+#endif
+#ifdef XP_UNIX
+ if (*curarg == '-' &&
+ *(curarg+1) == '-') {
+ ++curarg;
+
+ char* dup = PL_strdup(curarg);
+ if (!dup) return NS_ERROR_OUT_OF_MEMORY;
+
+ char* eq = PL_strchr(dup, '=');
+ if (eq) {
+ *eq = '\0';
+ appendArg(dup);
+ appendArg(eq + 1);
+ } else {
+ appendArg(dup);
+ }
+ PL_strfree(dup);
+ continue;
+ }
+#endif
+
+ appendArg(curarg);
+ }
+
+ mState = aState;
+
+ return NS_OK;
+}
+
+static void
+LogConsoleMessage(const char16_t* fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ char16_t* msg = nsTextFormatter::vsmprintf(fmt, args);
+ va_end(args);
+
+ nsCOMPtr<nsIConsoleService> cs = do_GetService("@mozilla.org/consoleservice;1");
+ if (cs)
+ cs->LogStringMessage(msg);
+
+ free(msg);
+}
+
+nsresult
+nsCommandLine::EnumerateHandlers(EnumerateHandlersCallback 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-handler",
+ 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);
+
+ 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(u"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;