/*

 * tclMacInit.c --

 *

 *	Contains the Mac-specific interpreter initialization functions.

 *

 * Copyright (c) 1995-1998 Sun Microsystems, Inc.

 *

 * See the file "license.terms" for information on usage and redistribution

 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.

 *

 * RCS: @(#) $Id: tclMacInit.c,v 1.9.2.2 2005/10/23 22:01:31 msofer Exp $

 */

#include <AppleEvents.h>

#include <AEDataModel.h>

#include <AEObjects.h>

#include <AEPackObject.h>

#include <AERegistry.h>

#include <Files.h>

#include <Folders.h>

#include <Gestalt.h>

#include <TextUtils.h>

#include <Resources.h>

#include <Strings.h>

#include "tclInt.h"

#include "tclMacInt.h"

#include "tclPort.h"

#include "tclInitScript.h"

/*

 * The following string is the startup script executed in new

 * interpreters.  It looks on the library path and in the resource fork for

 * a script "init.tcl" that is compatible with this version of Tcl.  The

 * init.tcl script does all of the real work of initialization.

 */

static char initCmd[] = "if {[info proc tclInit]==\"\"} {\n\

proc tclInit {} {\n\

global tcl_pkgPath env\n\

proc sourcePath {file} {\n\

  foreach i $::auto_path {\n\

    set init [file join $i $file.tcl]\n\

    if {[catch {uplevel #0 [list source $init]}] == 0} {\n\

      return\n\

    }\n\

  }\n\

  if {[catch {uplevel #0 [list source -rsrc $file]}] == 0} {\n\

    return\n\

  }\n\

  rename sourcePath {}\n\

  set msg \"Can't find $file resource or a usable $file.tcl file\"\n\

  append msg \" in the following directories:\"\n\

  append msg \" $::auto_path\"\n\

  append msg \" perhaps you need to install Tcl or set your\"\n\

  append msg \" TCL_LIBRARY environment variable?\"\n\

  error $msg\n\

}\n\

if {[info exists env(EXT_FOLDER)]} {\n\

  lappend tcl_pkgPath [file join $env(EXT_FOLDER) {Tool Command Language}]\n\

}\n\

if {[info exists tcl_pkgPath] == 0} {\n\

  set tcl_pkgPath {no extension folder}\n\

}\n\

sourcePath init\n\

sourcePath auto\n\

sourcePath package\n\

sourcePath history\n\

sourcePath word\n\

sourcePath parray\n\

rename sourcePath {}\n\

} }\n\

tclInit";

/*

 * The following structures are used to map the script/language codes of a 

 * font to the name that should be passed to Tcl_GetEncoding() to obtain

 * the encoding for that font.  The set of numeric constants is fixed and 

 * defined by Apple.

 */

typedef struct Map {

    int numKey;

    char *strKey;

} Map;

static Map scriptMap[] = {

    {smRoman,		"macRoman"},

    {smJapanese,	"macJapan"},

    {smTradChinese,	"macChinese"},

    {smKorean,		"macKorean"},

    {smArabic,		"macArabic"},

    {smHebrew,		"macHebrew"},

    {smGreek,		"macGreek"},

    {smCyrillic,	"macCyrillic"},

    {smRSymbol,		"macRSymbol"},

    {smDevanagari,	"macDevanagari"},

    {smGurmukhi,	"macGurmukhi"},

    {smGujarati,	"macGujarati"},

    {smOriya,		"macOriya"},

    {smBengali,		"macBengali"},

    {smTamil,		"macTamil"},

    {smTelugu,		"macTelugu"},

    {smKannada,		"macKannada"},

    {smMalayalam,	"macMalayalam"},

    {smSinhalese,	"macSinhalese"},

    {smBurmese,		"macBurmese"},

    {smKhmer,		"macKhmer"},

    {smThai,		"macThailand"},

    {smLaotian,		"macLaos"},

    {smGeorgian,	"macGeorgia"},

    {smArmenian,	"macArmenia"},

    {smSimpChinese,	"macSimpChinese"},

    {smTibetan,		"macTIbet"},

    {smMongolian,	"macMongolia"},

    {smGeez,		"macEthiopia"},

    {smEastEurRoman,	"macCentEuro"},

    {smVietnamese,	"macVietnam"},

    {smExtArabic,	"macSindhi"},

    {NULL,		NULL}

};    

static Map romanMap[] = {

    {langCroatian,	"macCroatian"},

    {langSlovenian,	"macCroatian"},

    {langIcelandic,	"macIceland"},

    {langRomanian,	"macRomania"},

    {langTurkish,	"macTurkish"},

    {langGreek,		"macGreek"},

    {NULL,		NULL}

};

static Map cyrillicMap[] = {

    {langUkrainian,	"macUkraine"},

    {langBulgarian,	"macBulgaria"},

    {NULL,		NULL}

};

static int		GetFinderFont(int *finderID);

/* Used to store the encoding used for binary files */

static Tcl_Encoding binaryEncoding = NULL;

/* Has the basic library path encoding issue been fixed */

static int libraryPathEncodingFixed = 0;

/*

 *----------------------------------------------------------------------

 *

 * GetFinderFont --

 *

 *	Gets the "views" font of the Macintosh Finder

 *

 * Results:

 *	Standard Tcl result, and sets finderID to the font family

 *      id for the current finder font.

 *

 * Side effects:

 *	None.

 *

 *----------------------------------------------------------------------

 */

static int

GetFinderFont(int *finderID)

{

    OSErr err = noErr;

    OSType finderPrefs, viewFont = 'vfnt';

    DescType returnType;

    Size returnSize;

    long result, sys8Mask = 0x0800;

    static AppleEvent outgoingAevt = {typeNull, NULL};

    AppleEvent returnAevt;

    AEAddressDesc fndrAddress;

    AEDesc nullContainer = {typeNull, NULL}, 

           tempDesc = {typeNull, NULL}, 

           tempDesc2 = {typeNull, NULL}, 

           finalDesc = {typeNull, NULL};

    const OSType finderSignature = 'MACS';

    if (outgoingAevt.descriptorType == typeNull) {

        if ((Gestalt(gestaltSystemVersion, &result) != noErr)

	        || (result >= sys8Mask)) {

            finderPrefs = 'pfrp';

        } else {

	    finderPrefs = 'pvwp';

        }

        AECreateDesc(typeApplSignature, &finderSignature,

		sizeof(finderSignature), &fndrAddress);

        err = AECreateAppleEvent(kAECoreSuite, kAEGetData, &fndrAddress, 

                kAutoGenerateReturnID, kAnyTransactionID, &outgoingAevt);

        AEDisposeDesc(&fndrAddress);

        /*

         * The structure is:

         * the property view font ('vfnt')

         *    of the property view preferences ('pvwp')

         *        of the Null Container (i.e. the Finder itself). 

         */

        AECreateDesc(typeType, &finderPrefs, sizeof(finderPrefs), &tempDesc);

        err = CreateObjSpecifier(typeType, &nullContainer, formPropertyID,

		&tempDesc, true, &tempDesc2);

        AECreateDesc(typeType, &viewFont, sizeof(viewFont), &tempDesc);

        err = CreateObjSpecifier(typeType, &tempDesc2, formPropertyID,

		&tempDesc, true, &finalDesc);

        AEPutKeyDesc(&outgoingAevt, keyDirectObject, &finalDesc);

        AEDisposeDesc(&finalDesc);

    }

    err = AESend(&outgoingAevt, &returnAevt, kAEWaitReply, kAEHighPriority,

	    kAEDefaultTimeout, NULL, NULL);

    if (err == noErr) {

        err = AEGetKeyPtr(&returnAevt, keyDirectObject, typeInteger, 

                &returnType, (void *) finderID, sizeof(int), &returnSize);

        if (err == noErr) {

            return TCL_OK;

        }

    }

    return TCL_ERROR;

}

/*

 *---------------------------------------------------------------------------

 *

 * TclMacGetFontEncoding --

 *

 *	Determine the encoding of the specified font.  The encoding

 *	can be used to convert bytes from UTF-8 into the encoding of

 *	that font.

 *

 * Results:

 *	The return value is a string that specifies the font's encoding

 *	and that can be passed to Tcl_GetEncoding() to construct the

 *	encoding.  If the font's encoding could not be identified, NULL

 *	is returned.

 *

 * Side effects:

 *	None.

 *

 *---------------------------------------------------------------------------

 */

char *

TclMacGetFontEncoding(

    int fontId)

{

    int script, lang;

    char *name;

    Map *mapPtr;

    script = FontToScript(fontId);    

    lang = GetScriptVariable(script, smScriptLang);

    name = NULL;

    if (script == smRoman) {

        for (mapPtr = romanMap; mapPtr->strKey != NULL; mapPtr++) {

            if (mapPtr->numKey == lang) {

                name = mapPtr->strKey;

                break;

            }

        }

    } else if (script == smCyrillic) {

        for (mapPtr = cyrillicMap; mapPtr->strKey != NULL; mapPtr++) {

            if (mapPtr->numKey == lang) {

                name = mapPtr->strKey;

                break;

            }

        }

    }

    if (name == NULL) {

        for (mapPtr = scriptMap; mapPtr->strKey != NULL; mapPtr++) {

            if (mapPtr->numKey == script) {

                name = mapPtr->strKey;

                break;

            }

        }

    }

    return name;

}

/*

 *---------------------------------------------------------------------------

 *

 * TclpInitPlatform --

 *

 *	Initialize all the platform-dependant things like signals and

 *	floating-point error handling.

 *

 *	Called at process initialization time.

 *

 * Results:

 *	None.

 *

 * Side effects:

 *	None.

 *

 *---------------------------------------------------------------------------

 */

void

TclpInitPlatform()

{

    tclPlatform = TCL_PLATFORM_MAC;

}

/*

 *---------------------------------------------------------------------------

 *

 * TclpInitLibraryPath --

 *

 *	Initialize the library path at startup.  We have a minor

 *	metacircular problem that we don't know the encoding of the

 *	operating system but we may need to talk to operating system

 *	to find the library directories so that we know how to talk to

 *	the operating system.

 *

 *	We do not know the encoding of the operating system.

 *	We do know that the encoding is some multibyte encoding.

 *	In that multibyte encoding, the characters 0..127 are equivalent

 *	    to ascii.

 *

 *	So although we don't know the encoding, it's safe:

 *	    to look for the last colon character in a path in the encoding.

 *	    to append an ascii string to a path.

 *	    to pass those strings back to the operating system.

 *

 *	But any strings that we remembered before we knew the encoding of

 *	the operating system must be translated to UTF-8 once we know the

 *	encoding so that the rest of Tcl can use those strings.

 *

 *	This call sets the library path to strings in the unknown native

 *	encoding.  TclpSetInitialEncodings() will translate the library

 *	path from the native encoding to UTF-8 as soon as it determines

 *	what the native encoding actually is.

 *

 *	Called at process initialization time.

 *

 * Results:

 *	Return 1, indicating that the UTF may be dirty and require "cleanup"

 *	after encodings are initialized.

 *

 * Side effects:

 *	None.

 *

 *---------------------------------------------------------------------------

 */

int

TclpInitLibraryPath(argv0)

    CONST char *argv0;		/* Name of executable from argv[0] to main().

				 * Not used because we can determine the name

				 * by querying the module handle. */

{

    Tcl_Obj *objPtr, *pathPtr;

    CONST char *str;

    Tcl_DString ds;

    TclMacCreateEnv();

    pathPtr = Tcl_NewObj();

    /*

     * Look for the library relative to default encoding dir.

     */

    str = Tcl_GetDefaultEncodingDir();

    if ((str != NULL) && (str[0] != '\0')) {

	objPtr = Tcl_NewStringObj(str, -1);

	Tcl_ListObjAppendElement(NULL, pathPtr, objPtr);

    }

    str = TclGetEnv("TCL_LIBRARY", &ds);

    if ((str != NULL) && (str[0] != '\0')) {

	/*

	 * If TCL_LIBRARY is set, search there.

	 */

	objPtr = Tcl_NewStringObj(str, Tcl_DStringLength(&ds));

	Tcl_ListObjAppendElement(NULL, pathPtr, objPtr);

	Tcl_DStringFree(&ds);

    }

    objPtr = TclGetLibraryPath();

    if (objPtr != NULL) {

        Tcl_ListObjAppendList(NULL, pathPtr, objPtr);

    }

    /*

     * lappend path [file join $env(EXT_FOLDER) \

     *      "Tool Command Language" "tcl[info version]"

     */

    str = TclGetEnv("EXT_FOLDER", &ds);

    if ((str != NULL) && (str[0] != '\0')) {

	    Tcl_DString libPath, path;

	    CONST char *argv[3];

	    argv[0] = str;

	    argv[1] = "Tool Command Language";	    

	    Tcl_DStringInit(&libPath);

	    Tcl_DStringAppend(&libPath, "tcl", -1);

	    argv[2] = Tcl_DStringAppend(&libPath, TCL_VERSION, -1);

	    Tcl_DStringInit(&path);

	    str = Tcl_JoinPath(3, argv, &path);

        objPtr = Tcl_NewStringObj(str, Tcl_DStringLength(&path));

	    Tcl_ListObjAppendElement(NULL, pathPtr, objPtr);

	    Tcl_DStringFree(&ds);

	    Tcl_DStringFree(&libPath);

	    Tcl_DStringFree(&path);

    }    

    TclSetLibraryPath(pathPtr);

    return 1; /* 1 indicates that pathPtr may be dirty utf (needs cleaning) */

}

/*

 *---------------------------------------------------------------------------

 *

 * TclpSetInitialEncodings --

 *

 *	Based on the locale, determine the encoding of the operating

 *	system and the default encoding for newly opened files.

 *

 *	Called at process initialization time, and part way through

 *	startup, we verify that the initial encodings were correctly

 *	setup.  Depending on Tcl's environment, there may not have been

 *	enough information first time through (above).

 *

 * Results:

 *	None.

 *

 * Side effects:

 *	The Tcl library path is converted from native encoding to UTF-8,

 *	on the first call, and the encodings may be changed on first or

 *	second call.

 *

 *---------------------------------------------------------------------------

 */

void

TclpSetInitialEncodings()

{

    CONST char *encoding;

    Tcl_Obj *pathPtr;

    int fontId, err;

    fontId = 0;

    GetFinderFont(&fontId);

    encoding = TclMacGetFontEncoding(fontId);

    if (encoding == NULL) {

        encoding = "macRoman";

    }

    err = Tcl_SetSystemEncoding(NULL, encoding);

    if (err == TCL_OK && libraryPathEncodingFixed == 0) {

    /*

     * Until the system encoding was actually set, the library path was

     * actually in the native multi-byte encoding, and not really UTF-8

     * as advertised.  We cheated as follows:

     *

     * 1. It was safe to allow the Tcl_SetSystemEncoding() call to 

     * append the ASCII chars that make up the encoding's filename to 

     * the names (in the native encoding) of directories in the library 

     * path, since all Unix multi-byte encodings have ASCII in the

     * beginning.

     *

     * 2. To open the encoding file, the native bytes in the file name

     * were passed to the OS, without translating from UTF-8 to native,

     * because the name was already in the native encoding.

     *

     * Now that the system encoding was actually successfully set,

     * translate all the names in the library path to UTF-8.  That way,

     * next time we search the library path, we'll translate the names 

     * from UTF-8 to the system encoding which will be the native 

     * encoding.

     */

    pathPtr = TclGetLibraryPath();

    if (pathPtr != NULL) {

    	int i, objc;

	Tcl_Obj **objv;

	objc = 0;

	Tcl_ListObjGetElements(NULL, pathPtr, &objc, &objv);

	for (i = 0; i < objc; i++) {

	    int length;

	    char *string;

	    Tcl_DString ds;

	    string = Tcl_GetStringFromObj(objv[i], &length);

	    Tcl_ExternalToUtfDString(NULL, string, length, &ds);

	    Tcl_SetStringObj(objv[i], Tcl_DStringValue(&ds), 

		    Tcl_DStringLength(&ds));

	    Tcl_DStringFree(&ds);

	}

	Tcl_InvalidateStringRep(pathPtr);

    }

	libraryPathEncodingFixed = 1;

    }

    /* This is only ever called from the startup thread */

    if (binaryEncoding == NULL) {

	/*

	 * Keep the iso8859-1 encoding preloaded.  The IO package uses

	 * it for gets on a binary channel.

	 */

	binaryEncoding = Tcl_GetEncoding(NULL, "iso8859-1");

    }

}   

/*

 *---------------------------------------------------------------------------

 *

 * TclpSetVariables --

 *

 *	Performs platform-specific interpreter initialization related to

 *	the tcl_library and tcl_platform variables, and other platform-

 *	specific things.

 *

 * Results:

 *	None.

 *

 * Side effects:

 *	Sets "tcl_library" and "tcl_platform" Tcl variables.

 *

 *----------------------------------------------------------------------

 */

void

TclpSetVariables(interp)

    Tcl_Interp *interp;

{

    long int gestaltResult;

    int minor, major, objc;

    Tcl_Obj **objv;

    char versStr[2 * TCL_INTEGER_SPACE];

    CONST char *str;

    Tcl_Obj *pathPtr;

    Tcl_DString ds;

    str = "no library";

    pathPtr = TclGetLibraryPath();

    if (pathPtr != NULL) {

        objc = 0;

        Tcl_ListObjGetElements(NULL, pathPtr, &objc, &objv);

        if (objc > 0) {

            str = Tcl_GetStringFromObj(objv[0], NULL);

        }

    }

    Tcl_SetVar(interp, "tcl_library", str, TCL_GLOBAL_ONLY);

    if (pathPtr != NULL) {

        Tcl_SetVar2Ex(interp, "tcl_pkgPath", NULL, pathPtr, TCL_GLOBAL_ONLY);

    }

    Tcl_SetVar2(interp, "tcl_platform", "platform", "macintosh",

	    TCL_GLOBAL_ONLY);

    Tcl_SetVar2(interp, "tcl_platform", "os", "MacOS", TCL_GLOBAL_ONLY);

    Gestalt(gestaltSystemVersion, &gestaltResult);

    major = (gestaltResult & 0x0000FF00) >> 8;

    minor = (gestaltResult & 0x000000F0) >> 4;

    sprintf(versStr, "%d.%d", major, minor);

    Tcl_SetVar2(interp, "tcl_platform", "osVersion", versStr, TCL_GLOBAL_ONLY);

#if GENERATINGPOWERPC

    Tcl_SetVar2(interp, "tcl_platform", "machine", "ppc", TCL_GLOBAL_ONLY);

#else

    Tcl_SetVar2(interp, "tcl_platform", "machine", "68k", TCL_GLOBAL_ONLY);

#endif

    /*

     * Copy USER or LOGIN environment variable into tcl_platform(user)

     * These are set by SystemVariables in tclMacEnv.c

     */

    Tcl_DStringInit(&ds);

    str = TclGetEnv("USER", &ds);

    if (str == NULL) {

	str = TclGetEnv("LOGIN", &ds);

	if (str == NULL) {

	    str = "";

	}

    }

    Tcl_SetVar2(interp, "tcl_platform", "user", str, TCL_GLOBAL_ONLY);

    Tcl_DStringFree(&ds);

}

/*

 *----------------------------------------------------------------------

 *

 * TclpCheckStackSpace --

 *

 *	On a 68K Mac, we can detect if we are about to blow the stack.

 *	Called before an evaluation can happen when nesting depth is

 *	checked.

 *

 * Results:

 *	1 if there is enough stack space to continue; 0 if not.

 *

 * Side effects:

 *	None.

 *

 *----------------------------------------------------------------------

 */

int

TclpCheckStackSpace()

{

    return StackSpace() > TCL_MAC_STACK_THRESHOLD;

}

/*

 *----------------------------------------------------------------------

 *

 * TclpFindVariable --

 *

 *	Locate the entry in environ for a given name.  On Unix and Macthis 

 *	routine is case sensitive, on Windows this matches mixed case.

 *

 * Results:

 *	The return value is the index in environ of an entry with the

 *	name "name", or -1 if there is no such entry.   The integer at

 *	*lengthPtr is filled in with the length of name (if a matching

 *	entry is found) or the length of the environ array (if no matching

 *	entry is found).

 *

 * Side effects:

 *	None.

 *

 *----------------------------------------------------------------------

 */

int

TclpFindVariable(name, lengthPtr)

    CONST char *name;		/* Name of desired environment variable

				 * (native). */

    int *lengthPtr;		/* Used to return length of name (for

				 * successful searches) or number of non-NULL

				 * entries in environ (for unsuccessful

				 * searches). */

{

    int i, result = -1;

    register CONST char *env, *p1, *p2;

    Tcl_DString envString;

    Tcl_DStringInit(&envString);

    for (i = 0, env = environ[i]; env != NULL; i++, env = environ[i]) {

	p1 = Tcl_ExternalToUtfDString(NULL, env, -1, &envString);

	p2 = name;

	for (; *p2 == *p1; p1++, p2++) {

	    /* NULL loop body. */

	}

	if ((*p1 == '=') && (*p2 == '\0')) {

	    *lengthPtr = p2 - name;

	    result = i;

	    goto done;

	}

	Tcl_DStringFree(&envString);

    }

    *lengthPtr = i;

    done:

    Tcl_DStringFree(&envString);

    return result;

}

/*

 *----------------------------------------------------------------------

 *

 * Tcl_Init --

 *

 *	This procedure is typically invoked by Tcl_AppInit procedures

 *	to perform additional initialization for a Tcl interpreter,

 *	such as sourcing the "init.tcl" script.

 *

 * Results:

 *	Returns a standard Tcl completion code and sets the interp's result

 *	if there is an error.

 *

 * Side effects:

 *	Depends on what's in the init.tcl script.

 *

 *----------------------------------------------------------------------

 */

int

Tcl_Init(

    Tcl_Interp *interp)		/* Interpreter to initialize. */

{

    Tcl_Obj *pathPtr;

    if (tclPreInitScript != NULL) {

    if (Tcl_Eval(interp, tclPreInitScript) == TCL_ERROR) {

        return (TCL_ERROR);

    };

    }

    /*

     * For Macintosh applications the Init function may be contained in

     * the application resources.  If it exists we use it - otherwise we

     * look in the tcl_library directory.  Ditto for the history command.

     */

    pathPtr = TclGetLibraryPath();

    if (pathPtr == NULL) {

	pathPtr = Tcl_NewObj();

    }

    Tcl_IncrRefCount(pathPtr);

    Tcl_SetVar2Ex(interp, "auto_path", NULL, pathPtr, TCL_GLOBAL_ONLY);

    Tcl_DecrRefCount(pathPtr);

    return Tcl_Eval(interp, initCmd);

}

/*

 *----------------------------------------------------------------------

 *

 * Tcl_SourceRCFile --

 *

 *	This procedure is typically invoked by Tcl_Main or Tk_Main

 *	procedure to source an application specific rc file into the

 *	interpreter at startup time.  This will either source a file

 *	in the "tcl_rcFileName" variable or a TEXT resource in the

 *	"tcl_rcRsrcName" variable.

 *

 * Results:

 *	None.

 *

 * Side effects:

 *	Depends on what's in the rc script.

 *

 *----------------------------------------------------------------------

 */

void

Tcl_SourceRCFile(

    Tcl_Interp *interp)		/* Interpreter to source rc file into. */

{

    Tcl_DString temp;

    CONST char *fileName;

    Tcl_Channel errChannel;

    Handle h;

    fileName = Tcl_GetVar(interp, "tcl_rcFileName", TCL_GLOBAL_ONLY);

    if (fileName != NULL) {

        Tcl_Channel c;

	CONST char *fullName;

        Tcl_DStringInit(&temp);

	fullName = Tcl_TranslateFileName(interp, fileName, &temp);

	if (fullName == NULL) {

	    /*

	     * Couldn't translate the file name (e.g. it referred to a

	     * bogus user or there was no HOME environment variable).

	     * Just do nothing.

	     */

	} else {

	    /*

	     * Test for the existence of the rc file before trying to read it.

	     */

            c = Tcl_OpenFileChannel(NULL, fullName, "r", 0);

            if (c != (Tcl_Channel) NULL) {

                Tcl_Close(NULL, c);

		if (Tcl_EvalFile(interp, fullName) != TCL_OK) {

		    errChannel = Tcl_GetStdChannel(TCL_STDERR);

		    if (errChannel) {

			Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));

			Tcl_WriteChars(errChannel, "\n", 1);

		    }

		}

	    }

	}

        Tcl_DStringFree(&temp);

    }

    fileName = Tcl_GetVar(interp, "tcl_rcRsrcName", TCL_GLOBAL_ONLY);

    if (fileName != NULL) {

	Str255 rezName;

	Tcl_DString ds;

	Tcl_UtfToExternalDString(NULL, fileName, -1, &ds);

	strcpy((char *) rezName + 1, Tcl_DStringValue(&ds));

	rezName[0] = (unsigned) Tcl_DStringLength(&ds);

	h = GetNamedResource('TEXT', rezName);

	Tcl_DStringFree(&ds);

	if (h != NULL) {

	    if (Tcl_MacEvalResource(interp, fileName, 0, NULL) != TCL_OK) {

		errChannel = Tcl_GetStdChannel(TCL_STDERR);

		if (errChannel) {

		    Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));

		    Tcl_WriteChars(errChannel, "\n", 1);

		}

	    }

	    Tcl_ResetResult(interp);

	    ReleaseResource(h);

	}

    }

}