C++ StrBuf::Length方法代码示例

int P4ClientAPI::Except( const char *func, const char *msg )
{
	StrBuf	m;
	StrBuf	errors;
	StrBuf	warnings;
	bool	terminate = false;

	m << "[" << func << "] " << msg;

	// Now append any errors and warnings to the text
	ui.GetResults().FmtErrors( errors );
	ui.GetResults().FmtWarnings( warnings );

	if( errors.Length() )
	{
		m << "\n" << errors;
		terminate= true;
	}

	if( exceptionLevel > 1 && warnings.Length() )
	{
		m << "\n" << warnings;
		terminate= true;
	}

	if( terminate )
		m << "\n\n";

	if ( exceptionLevel )
	{
		luaL_error( L, m.Text() );
		return 0;
	}

	lua_pushnil( L );

	if( apiLevel < 68 ) {
		lua_pushstring( L, m.Text() );
	} else {
		// return a list with three elements:
		// the string value, the list of errors and list of warnings
		// P4Exception will sort out what's what
		lua_newtable( L );

		lua_pushstring( L, m.Text() );
		lua_rawseti( L, -2, 1 );

		lua_rawgeti( L, LUA_REGISTRYINDEX, ui.GetResults().GetErrors() );
		lua_rawseti( L, -2, 2 );

		lua_rawgeti( L, LUA_REGISTRYINDEX, ui.GetResults().GetWarnings() );
		lua_rawseti( L, -2, 3 );
	}

	return 2;
}

static void ReadConnectionSettings( lua_State* L, StrBuf& connection )
{
	char* buffer = new char[ connection.Length() + 1 ];
	strcpy( buffer, connection.Text() );
	lua_createtable( L, 3, 0 );

	char* start = buffer;
	char* ptr = buffer;
	int index = 1;
	while ( *ptr ) {
		if ( *ptr == ',' ) {
			lua_pushlstring( L, start, ptr - start );
			lua_rawseti( L, -2, index );
			++index;

			++ptr;
			if ( *ptr == ' ' )
				++ptr;
			start = ptr;
		}
		else
			++ptr;
	}
	lua_pushlstring( L, start, ptr - start );
	lua_rawseti( L, -2, index );

	delete[] buffer;
}

P4ClientAPI::P4ClientAPI( lua_State *L )
	: L( L )
	, specMgr( L )
	, ui( L, &specMgr )
{
	debug = 0;
	server2 = 0;
	depth = 0;
	exceptionLevel = 2;
	maxResults = 0;
	maxScanRows = 0;
	maxLockTime = 0;
	prog = "unnamed p4lua script";
	apiLevel = atoi( P4Tag::l_client );
	enviro = new Enviro;

//	cb.client = this;

	InitFlags();

	// Enable form parsing
	client.SetProtocol( "specstring", "" );

    //
    // Load the current working directory, and any P4CONFIG file in place
    //
	HostEnv henv;
	StrBuf cwd;

	henv.GetCwd( cwd, enviro );
	if( cwd.Length() )
		enviro->Config( cwd );

	//
	// Load the current ticket file. Start with the default, and then
	// override it if P4TICKETS is set.
	//
	const char *t;

  	henv.GetTicketFile( ticketFile );

	if( t = enviro->Get( "P4TICKETS" ) ) {
		ticketFile = t;
	}

    // 
    // Do the same for P4CHARSET
    //
    
    const char *lc;
    if( ( lc = enviro->Get( "P4CHARSET" )) ) {
        SetCharset(lc);
    }
}

int
P4ClientApi::Except( const char *func, const char *msg )
{
	StrBuf	m;
	StrBuf	errors;
	StrBuf	warnings;
	int		terminate = 0;

	m << "[" << func << "] " << msg;

	// Now append any errors and warnings to the text
	ui.GetResults().FmtErrors( errors );
	ui.GetResults().FmtWarnings( warnings );

	if( errors.Length() )
	{
		m << "\n" << errors;
		terminate++;
	}

	if( exceptionLevel > 1 && warnings.Length() )
	{
		m << "\n" << warnings;
		terminate++;
	}

	if( terminate )
		m << "\n\n";

	if ( exceptionLevel )
	{
		luaL_error( L, m.Text() );
		return 0;
	}

	lua_pushnil( L );
	lua_pushstring( L, m.Text() );
	return 2;
}

P4ClientApi::P4ClientApi( lua_State *L )
	: L( L )
	, specMgr( L )
	, ui( L, &specMgr )
	, keepAliveRef( LUA_NOREF )
{
	initCount = 0;
	debug = 0;
	server2 = 0;
	depth = 0;
	exceptionLevel = 2;
	maxResults = 0;
	maxScanRows = 0;
	maxLockTime = 0;
	apiLevel = atoi( P4Tag::l_client );
	enviro = new Enviro;
	prog = "unnamed p4lua script";
	cb.client = this;

	// Enable form parsing, and set tagged mode on by default
	mode |= M_PARSE_FORMS + M_TAGGED ;
	client.SetProtocol( "specstring", "" );

	//
	// Load any P4CONFIG file
	//
	HostEnv henv;
	StrBuf cwd;

	henv.GetCwd( cwd, enviro );
	if( cwd.Length() )
		enviro->Config( cwd );

	//
	// Load the current ticket file. Start with the default, and then
	// override it if P4TICKETS is set.
	//
	const char *t;

  	henv.GetTicketFile( ticketFile );

	if( t = enviro->Get( "P4TICKETS" ) )
		ticketFile = t;

	//
	// Load the current P4CHARSET if set.
	//
	if( client.GetCharset().Length() )
		SetCharset( client.GetCharset().Text() );
}

void LuaMessage::getRepr()
{
    StrBuf a;
    StrBuf b;

    err.Fmt( a, EF_PLAIN );
    b << "[";
    b << "Gen:" << err.GetGeneric();
    b << "/Sev:" << err.GetSeverity();
    b << "]: ";
    b << a;

	lua_pushlstring( L, b.Text(), b.Length() );
}

static int p4_map_inspect(lua_State* L) {
	P4MapMaker* m = p4_checkmap(L, 1);
    StrBuf		b;
    StrBuf		tb;

    tb.Alloc( 32 );
    sprintf( tb.Text(), "%p", (void*) m );
    tb.SetLength();

    b << "#<P4::Map:" << tb << "> ";

    m->Inspect( b );
	lua_pushlstring(L, b.Text(), b.Length());
	return 1;
}

void LuaMessage::getText()
{
    StrBuf buf;
    err.Fmt(buf, EF_PLAIN);
	lua_pushlstring( L, buf.Text(), buf.Length() );
}