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Implemented (almost)

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law%netscape.com 1998-12-22 01:25:46 +00:00
parent 6130e3efda
commit 4f9538d932
2 changed files with 162 additions and 67 deletions
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206
xpfe/apprunner/src/nsAppRunner.cpp
View File

@ -18,9 +18,15 @@
*/
#include <stdio.h>
#include <stdarg.h>
#include "nsAppRunner.h"
#include "nsIFactory.h"
#include "nsIAppShellService.h"
#include "nsRepository.h"
#include "nsIServiceManager.h"
#include "xp_core.h"
#include "xp_mcom.h"
#include "xp_str.h"
// Define Class IDs.
static NS_DEFINE_IID(kAppRunnerCID, NS_APPRUNNER_CID);
@ -99,11 +105,11 @@ nsAppRunner::main( int argc, char *argv[] ) {
| Store the command line arguments in data members with minor twiddling to |
| simplify lookup. |
------------------------------------------------------------------------------*/
PRBool NSAppRunner::ParseCommandLine( int argc, char *argv[] ) { {
PRBool nsAppRunner::ParseCommandLine( int argc, char *argv[] ) {
mArgc = argc;
// Allocate array of arg info structures.
mArg = new [argc] Arg;
mArg = new Arg[ mArgc ];
// Fill in structures.
for( int i = 0; i < mArgc; i++ ) {
@ -125,8 +131,8 @@ PRBool NSAppRunner::ParseCommandLine( int argc, char *argv[] ) { {
mArg[i].value = p;
// Strip trailing '"'.
if ( p[ PR_strlen(p) ] == '"' ) {
p[ PR_strlen(p) ] = 0;
if ( p[ XP_STRLEN(p) ] == '"' ) {
p[ XP_STRLEN(p) ] = 0;
}
} else {
// Have value point to this null string.
@ -139,72 +145,154 @@ PRBool NSAppRunner::ParseCommandLine( int argc, char *argv[] ) { {
}
/*---------------------- NSAppRunner::IsOptionSpecified ------------------------
| Enumerate array of arg structures, looking for key. |
/*------------------------- nsAppRunner::IndexOfArg ----------------------------
| Return index of specified argument "key." -1 if not found. |
------------------------------------------------------------------------------*/
PRBool NSAppRunner::IsOptionSpecified( const char *key, PRBool ignoreCase ) {
PRBool result = PR_FALSE;
for( int i = 0; i < mArgc; i++ ) {
if ( ignoreCase ) {
if ( PR_strcmpi( key, mArg[i].key ) == 0 ) {
result = PR_TRUE;
break;
}
} else {
if ( PR_strcmp( key, mArg[i].key ) == 0 ) {
result = PR_TRUE;
break;
}
int nsAppRunner::IndexOfArg( const char *key, PRBool ignoreCase ) {
int result = -1;
for( int i = 0; result == -1 && i < mArgc; i++ ) {
if ( ( ignoreCase && XP_STRCASECMP( key, mArg[i].key ) == 0 )
||
( !ignoreCase && XP_STRCMP( key, mArg[i].key ) == 0 ) ) {
result = i;
}
}
return result;
}
/*----------------------- NSAppRunner::*ValueForOption -------------------------
Look up key
/*---------------------- nsAppRunner::IsOptionSpecified ------------------------
| Search for key via IndexOfArg and return true iff it is found. |
------------------------------------------------------------------------------*/
const char *NSAppRunner::ValueForOption( const char *key, PRBool ignoreCase ) {
return 0;
PRBool nsAppRunner::IsOptionSpecified( const char *key, PRBool ignoreCase ) {
int index = this->IndexOfArg( key, ignoreCase );
return index != -1;
}
/*----------------------- nsAppRunner::*ValueForOption -------------------------
| Search for key via IndexOfArg and return corresponding value if it is found, |
| 0 otherwise. |
------------------------------------------------------------------------------*/
const char *nsAppRunner::ValueForOption( const char *key, PRBool ignoreCase ) {
const char *result = 0;
int index = this->IndexOfArg( key, ignoreCase );
if ( index != -1 ) {
result = mArg[ index ].value;
}
return result;
}
// Process management:
// Initialize - Initialize kernel services. Default is to initialize
// NSPR.
// ShowSplashScreen - Puts up splash screen. Default is to do nothing.
// We will override per platform, probably.
// IsSingleInstanceOnly - Default is PR_FALSE, platforms must override
// if they need to block multiple instances.
// IsAlreadyRunning - Indicate whether another process is already running.
// Default returns PR_FALSE; platforms should override
// if they care about this (i.e., return PR_TRUE from
// PermitsMultipleInstances).
// NotifyServerProcess - Passes request to the server process to be run.
// ...synchronization stuff...TBD
virtual PRBool Initialize();
virtual nsresult Exit( nsresult rv );
virtual PRBool ShowSplashScreen();
virtual PRBool IsSingleInstanceOnly() const;
virtual PRBool IsAlreadyRunning() const;
virtual PRBool NotifyServerProcess( int argc, char *argv[] );
/*------------------------- nsAppRunner::Initialize ----------------------------
| Default simply returns NS_OK. |
------------------------------------------------------------------------------*/
nsresult nsAppRunner::Initialize() {
return NS_OK;
}
// AppShell loading:
// AppShellCID - Returns CID for app shell to be loaded/started.
// LoadAppShell - Default creates appShell from ServiceManager using
// AppShellCID().
// RunShell - Initialize/Run/Shutdown the app shell
// AppShell - Returns pointer to app shell
virtual nsCID AppShellCID() const;
virtual nsresult LoadAppShell();
virtual nsresult RunShell();
virtual nsIAppShell *AppShell() const;
// Utilities:
// DisplayMsg - Displays error/status message. Default is to outpout to
// stderr. Override to put up message box, etc.
virtual void DisplayMsg( const char *title, const char *text );
void DisplayMsg( const char *title, const char *text, ... );
void DisplayMsg( const char *title, const char *text, valist args );
/*--------------------------- nsAppRunner::OnExit ------------------------------
| Default simply returns the input application return value unmodified. |
------------------------------------------------------------------------------*/
nsresult nsAppRunner::OnExit( nsresult rvIn ) {
return rvIn;
}
/*------------------------- nsAppRunner::AppShellCID ---------------------------
| Return the CID for nsAppShell. Long term, get this ID dynamically? |
------------------------------------------------------------------------------*/
nsCID nsAppRunner::AppShellCID() const {
nsCID appShellCID = NS_APPSHELL_SERVICE_CID;
return appShellCID;
}
/*------------------------ nsAppRunner::LoadAppShell ---------------------------
| Create an instance of the app shell (object of class represented by |
| the CID returned by AppShellCID). |
------------------------------------------------------------------------------*/
nsresult nsAppRunner::LoadAppShell() {
nsIAppShellService *appShell = 0;
nsIID kIAppShellServiceIID = NS_IAPPSHELL_SERVICE_IID;
nsresult rv = nsServiceManager::GetService( this->AppShellCID(),
kIAppShellServiceIID,
(nsISupports**)&appShell );
if ( rv == NS_OK ) {
this->SetAppShell( appShell );
NS_IF_RELEASE( appShell );
}
return rv;
}
/*-------------------------- nsAppRunner::RunShell -----------------------------
| Run the app shell. |
------------------------------------------------------------------------------*/
nsresult nsAppRunner::RunShell() {
nsresult result = this->mAppShell->Run();
return result;
}
/*-------------------------- nsAppRunner::*AppShell ----------------------------
| Return the app shell associated with this app runner. |
------------------------------------------------------------------------------*/
nsIAppShellService *nsAppRunner::AppShell() const {
return mAppShell;
}
/*------------------------- nsAppRunner::DisplayMsg ----------------------------
| Write out the title and text to stderr. |
------------------------------------------------------------------------------*/
void nsAppRunner::DisplayMsg( const char *title, const char *text ) {
fprintf( stderr, "%s\n", title );
fprintf( stderr, "%s\n", text );
return;
}
/*------------------------- nsAppRunner::DisplayMsg ----------------------------
| Use svprintf to expand the text+args then display the complete text using |
| the overloaded version of nsAppRunner::DisplayMsg(). |
------------------------------------------------------------------------------*/
static void displayMsg( nsAppRunner &obj, const char *title, const char *text, va_list args ) {
// Fix this later.
obj.DisplayMsg( title, text );
return;
}
/*------------------------- nsAppRunner::DisplayMsg ----------------------------
| Convert the extra arguments to a vargs list and invoke the static function |
| that takes one of those. |
------------------------------------------------------------------------------*/
void nsAppRunner::DisplayMsg( const char *title, const char *text, ... ) {
va_list args;
va_start( text, args );
this->DisplayMsg( title, text, args );
va_end( args );
return;
}
/*------------------------ nsAppRunner::&SetAppShell ---------------------------
| Simply do as directed, return *this. |
------------------------------------------------------------------------------*/
nsAppRunner &nsAppRunner::SetAppShell( nsIAppShellService *newAppShell ) {
// Bump refcount for new shell.
newAppShell->AddRef();
// Release current app shell.
NS_IF_RELEASE(this->mAppShell);
// Attach new one.
this->mAppShell = newAppShell;
return *this;
}
#if 0

23
xpfe/apprunner/src/nsAppRunner.h
View File

@ -20,8 +20,10 @@
#define nsAppRunner_h__
#include "nsIAppRunner.h"
#include "nsIFactory.h"
class string;
class nsIAppShellService;
// nsAppRunner
//
@ -44,9 +46,9 @@ public:
// ParseCommandLineOptions - Parses command line options.
// IsOptionSpecified - Returns PR_TRUE if switch was present in command line args.
// ValueForOption - Returns option value; e.g., -P"mozilla" -> string("mozilla")
virtual PRBool ParseCommandLine( int argc, char *argv[] );
virtual PRBool IsOptionSpecified( const char *key );
virtual string ValueForOption( const char *key );
virtual PRBool ParseCommandLine( int argc, char *argv[] );
virtual PRBool IsOptionSpecified( const char *key, PRBool ignoreCase = PR_TRUE );
virtual const char *ValueForOption( const char *key, PRBool ignoreCase = PR_TRUE );
// Process management:
// Initialize - Initialization; default does nothing.
@ -61,27 +63,32 @@ public:
// AppShellCID().
// RunShell - Initialize/Run/Shutdown the app shell
// AppShell - Returns pointer to app shell
virtual nsCID AppShellCID() const;
virtual nsresult LoadAppShell();
virtual nsresult RunShell();
virtual nsIAppShell *AppShell() const;
virtual nsCID AppShellCID() const;
virtual nsresult LoadAppShell();
virtual nsresult RunShell();
virtual nsIAppShellService *AppShell() const;
// Utilities:
// DisplayMsg - Displays error/status message. Default is to outpout to
// stderr. Override to put up message box, etc.
virtual void DisplayMsg( const char *title, const char *text );
void DisplayMsg( const char *title, const char *text, ... );
void DisplayMsg( const char *title, const char *text, valist args );
protected:
virtual ~nsAppRunner();
// Utilities (for derived classes):
// SetAppShell - Sets the mAppShell member (to whom things like RunShell() are
// delegated).
virtual nsAppRunner &SetAppShell( nsIAppShellService *newAppShellService );
private:
int mArgc;
struct Arg {
const char *key;
const char *value;
} *mArg;
nsIAppShellService *mAppShell;
int IndexOfArg( const char *key, PRBool ignoreCase );
}; // nsAppRunner