diff options
Diffstat (limited to 'mac/tclMacResource.c')
| -rw-r--r-- | mac/tclMacResource.c | 2220 |
1 files changed, 0 insertions, 2220 deletions
diff --git a/mac/tclMacResource.c b/mac/tclMacResource.c deleted file mode 100644 index fe2c879..0000000 --- a/mac/tclMacResource.c +++ /dev/null @@ -1,2220 +0,0 @@ -/* - * tclMacResource.c -- - * - * This file contains several commands that manipulate or use - * Macintosh resources. Included are extensions to the "source" - * command, the mac specific "beep" and "resource" commands, and - * administration for open resource file references. - * - * Copyright (c) 1996-1997 Sun Microsystems, Inc. - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - */ - -#include <Errors.h> -#include <FSpCompat.h> -#include <Processes.h> -#include <Resources.h> -#include <Sound.h> -#include <Strings.h> -#include <Traps.h> -#include <LowMem.h> - -#include "FullPath.h" -#include "tcl.h" -#include "tclInt.h" -#include "tclMac.h" -#include "tclMacInt.h" -#include "tclMacPort.h" - -/* - * This flag tells the RegisterResource function to insert the - * resource into the tail of the resource fork list. Needed only - * Resource_Init. - */ - -#define TCL_RESOURCE_INSERT_TAIL 1 -/* - * 2 is taken by TCL_RESOURCE_DONT_CLOSE - * which is the only public flag to TclMacRegisterResourceFork. - */ - -#define TCL_RESOURCE_CHECK_IF_OPEN 4 - -/* - * Pass this in the mode parameter of SetSoundVolume to determine - * which volume to set. - */ - -enum WhichVolume { - SYS_BEEP_VOLUME, /* This sets the volume for SysBeep calls */ - DEFAULT_SND_VOLUME, /* This one for SndPlay calls */ - RESET_VOLUME /* And this undoes the last call to SetSoundVolume */ -}; - -/* - * Hash table to track open resource files. - */ - -typedef struct OpenResourceFork { - short fileRef; - int flags; -} OpenResourceFork; - - - -static Tcl_HashTable nameTable; /* Id to process number mapping. */ -static Tcl_HashTable resourceTable; /* Process number to id mapping. */ -static Tcl_Obj *resourceForkList; /* Ordered list of resource forks */ -static int appResourceIndex; /* This is the index of the application* - * in the list of resource forks */ -static int newId = 0; /* Id source. */ -static int initialized = 0; /* 0 means static structures haven't - * been initialized yet. */ -static int osTypeInit = 0; /* 0 means Tcl object of osType hasn't - * been initialized yet. */ -/* - * Prototypes for procedures defined later in this file: - */ - -static void DupOSTypeInternalRep _ANSI_ARGS_((Tcl_Obj *srcPtr, - Tcl_Obj *copyPtr)); -static void ResourceInit _ANSI_ARGS_((void)); -static void BuildResourceForkList _ANSI_ARGS_((void)); -static int SetOSTypeFromAny _ANSI_ARGS_((Tcl_Interp *interp, - Tcl_Obj *objPtr)); -static void UpdateStringOfOSType _ANSI_ARGS_((Tcl_Obj *objPtr)); -static OpenResourceFork* GetRsrcRefFromObj _ANSI_ARGS_((Tcl_Obj *objPtr, - int okayOnReadOnly, const char *operation, - Tcl_Obj *resultPtr)); - -static void SetSoundVolume(int volume, enum WhichVolume mode); - -/* - * The structures below defines the Tcl object type defined in this file by - * means of procedures that can be invoked by generic object code. - */ - -static Tcl_ObjType osType = { - "ostype", /* name */ - (Tcl_FreeInternalRepProc *) NULL, /* freeIntRepProc */ - DupOSTypeInternalRep, /* dupIntRepProc */ - UpdateStringOfOSType, /* updateStringProc */ - SetOSTypeFromAny /* setFromAnyProc */ -}; - -/* - *---------------------------------------------------------------------- - * - * Tcl_ResourceObjCmd -- - * - * This procedure is invoked to process the "resource" Tcl command. - * See the user documentation for details on what it does. - * - * Results: - * A standard Tcl result. - * - * Side effects: - * See the user documentation. - * - *---------------------------------------------------------------------- - */ - -int -Tcl_ResourceObjCmd( - ClientData clientData, /* Not used. */ - Tcl_Interp *interp, /* Current interpreter. */ - int objc, /* Number of arguments. */ - Tcl_Obj *CONST objv[]) /* Argument values. */ -{ - Tcl_Obj *resultPtr, *objPtr; - int index, result; - long fileRef, rsrcId; - FSSpec fileSpec; - char *stringPtr; - char errbuf[16]; - OpenResourceFork *resourceRef; - Handle resource = NULL; - OSErr err; - int count, i, limitSearch = false, length; - short id, saveRef, resInfo; - Str255 theName; - OSType rezType; - int gotInt, releaseIt = 0, force; - char *resourceId = NULL; - long size; - char macPermision; - int mode; - - static CONST char *switches[] = {"close", "delete" ,"files", "list", - "open", "read", "types", "write", (char *) NULL - }; - - enum { - RESOURCE_CLOSE, RESOURCE_DELETE, RESOURCE_FILES, RESOURCE_LIST, - RESOURCE_OPEN, RESOURCE_READ, RESOURCE_TYPES, RESOURCE_WRITE - }; - - static CONST char *writeSwitches[] = { - "-id", "-name", "-file", "-force", (char *) NULL - }; - - enum { - RESOURCE_WRITE_ID, RESOURCE_WRITE_NAME, - RESOURCE_WRITE_FILE, RESOURCE_FORCE - }; - - static CONST char *deleteSwitches[] = {"-id", "-name", "-file", (char *) NULL}; - - enum {RESOURCE_DELETE_ID, RESOURCE_DELETE_NAME, RESOURCE_DELETE_FILE}; - - resultPtr = Tcl_GetObjResult(interp); - - if (objc < 2) { - Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); - return TCL_ERROR; - } - - if (Tcl_GetIndexFromObj(interp, objv[1], switches, "option", 0, &index) - != TCL_OK) { - return TCL_ERROR; - } - if (!initialized) { - ResourceInit(); - } - result = TCL_OK; - - switch (index) { - case RESOURCE_CLOSE: - if (objc != 3) { - Tcl_WrongNumArgs(interp, 2, objv, "resourceRef"); - return TCL_ERROR; - } - stringPtr = Tcl_GetStringFromObj(objv[2], &length); - fileRef = TclMacUnRegisterResourceFork(stringPtr, resultPtr); - - if (fileRef >= 0) { - CloseResFile((short) fileRef); - return TCL_OK; - } else { - return TCL_ERROR; - } - case RESOURCE_DELETE: - if (!((objc >= 3) && (objc <= 9) && ((objc % 2) == 1))) { - Tcl_WrongNumArgs(interp, 2, objv, - "?-id resourceId? ?-name resourceName? ?-file \ -resourceRef? resourceType"); - return TCL_ERROR; - } - - i = 2; - fileRef = -1; - gotInt = false; - resourceId = NULL; - limitSearch = false; - - while (i < (objc - 2)) { - if (Tcl_GetIndexFromObj(interp, objv[i], deleteSwitches, - "option", 0, &index) != TCL_OK) { - return TCL_ERROR; - } - - switch (index) { - case RESOURCE_DELETE_ID: - if (Tcl_GetLongFromObj(interp, objv[i+1], &rsrcId) - != TCL_OK) { - return TCL_ERROR; - } - gotInt = true; - break; - case RESOURCE_DELETE_NAME: - resourceId = Tcl_GetStringFromObj(objv[i+1], &length); - if (length > 255) { - Tcl_AppendStringsToObj(resultPtr,"-name argument ", - "too long, must be < 255 characters", - (char *) NULL); - return TCL_ERROR; - } - strcpy((char *) theName, resourceId); - resourceId = (char *) theName; - c2pstr(resourceId); - break; - case RESOURCE_DELETE_FILE: - resourceRef = GetRsrcRefFromObj(objv[i+1], 0, - "delete from", resultPtr); - if (resourceRef == NULL) { - return TCL_ERROR; - } - limitSearch = true; - break; - } - i += 2; - } - - if ((resourceId == NULL) && !gotInt) { - Tcl_AppendStringsToObj(resultPtr,"you must specify either ", - "\"-id\" or \"-name\" or both ", - "to \"resource delete\"", - (char *) NULL); - return TCL_ERROR; - } - - if (Tcl_GetOSTypeFromObj(interp, objv[i], &rezType) != TCL_OK) { - return TCL_ERROR; - } - - if (limitSearch) { - saveRef = CurResFile(); - UseResFile((short) resourceRef->fileRef); - } - - SetResLoad(false); - - if (gotInt == true) { - if (limitSearch) { - resource = Get1Resource(rezType, rsrcId); - } else { - resource = GetResource(rezType, rsrcId); - } - err = ResError(); - - if (err == resNotFound || resource == NULL) { - Tcl_AppendStringsToObj(resultPtr, "resource not found", - (char *) NULL); - result = TCL_ERROR; - goto deleteDone; - } else if (err != noErr) { - char buffer[16]; - - sprintf(buffer, "%12d", err); - Tcl_AppendStringsToObj(resultPtr, "resource error #", - buffer, "occured while trying to find resource", - (char *) NULL); - result = TCL_ERROR; - goto deleteDone; - } - } - - if (resourceId != NULL) { - Handle tmpResource; - if (limitSearch) { - tmpResource = Get1NamedResource(rezType, - (StringPtr) resourceId); - } else { - tmpResource = GetNamedResource(rezType, - (StringPtr) resourceId); - } - err = ResError(); - - if (err == resNotFound || tmpResource == NULL) { - Tcl_AppendStringsToObj(resultPtr, "resource not found", - (char *) NULL); - result = TCL_ERROR; - goto deleteDone; - } else if (err != noErr) { - char buffer[16]; - - sprintf(buffer, "%12d", err); - Tcl_AppendStringsToObj(resultPtr, "resource error #", - buffer, "occured while trying to find resource", - (char *) NULL); - result = TCL_ERROR; - goto deleteDone; - } - - if (gotInt) { - if (resource != tmpResource) { - Tcl_AppendStringsToObj(resultPtr, - "\"-id\" and \"-name\" ", - "values do not point to the same resource", - (char *) NULL); - result = TCL_ERROR; - goto deleteDone; - } - } else { - resource = tmpResource; - } - } - - resInfo = GetResAttrs(resource); - - if ((resInfo & resProtected) == resProtected) { - Tcl_AppendStringsToObj(resultPtr, "resource ", - "cannot be deleted: it is protected.", - (char *) NULL); - result = TCL_ERROR; - goto deleteDone; - } else if ((resInfo & resSysHeap) == resSysHeap) { - Tcl_AppendStringsToObj(resultPtr, "resource", - "cannot be deleted: it is in the system heap.", - (char *) NULL); - result = TCL_ERROR; - goto deleteDone; - } - - /* - * Find the resource file, if it was not specified, - * so we can flush the changes now. Perhaps this is - * a little paranoid, but better safe than sorry. - */ - - RemoveResource(resource); - - if (!limitSearch) { - UpdateResFile(HomeResFile(resource)); - } else { - UpdateResFile(resourceRef->fileRef); - } - - - deleteDone: - - SetResLoad(true); - if (limitSearch) { - UseResFile(saveRef); - } - return result; - - case RESOURCE_FILES: - if ((objc < 2) || (objc > 3)) { - Tcl_SetStringObj(resultPtr, - "wrong # args: should be \"resource files \ -?resourceId?\"", -1); - return TCL_ERROR; - } - - if (objc == 2) { - stringPtr = Tcl_GetStringFromObj(resourceForkList, &length); - Tcl_SetStringObj(resultPtr, stringPtr, length); - } else { - FCBPBRec fileRec; - Handle pathHandle; - short pathLength; - Str255 fileName; - Tcl_DString dstr; - - if (strcmp(Tcl_GetString(objv[2]), "ROM Map") == 0) { - Tcl_SetStringObj(resultPtr,"no file path for ROM Map", -1); - return TCL_ERROR; - } - - resourceRef = GetRsrcRefFromObj(objv[2], 1, "files", resultPtr); - if (resourceRef == NULL) { - return TCL_ERROR; - } - - fileRec.ioCompletion = NULL; - fileRec.ioFCBIndx = 0; - fileRec.ioNamePtr = fileName; - fileRec.ioVRefNum = 0; - fileRec.ioRefNum = resourceRef->fileRef; - err = PBGetFCBInfo(&fileRec, false); - if (err != noErr) { - Tcl_SetStringObj(resultPtr, - "could not get FCB for resource file", -1); - return TCL_ERROR; - } - - err = GetFullPath(fileRec.ioFCBVRefNum, fileRec.ioFCBParID, - fileRec.ioNamePtr, &pathLength, &pathHandle); - if ( err != noErr) { - Tcl_SetStringObj(resultPtr, - "could not get file path from token", -1); - return TCL_ERROR; - } - - HLock(pathHandle); - Tcl_ExternalToUtfDString(NULL, *pathHandle, pathLength, &dstr); - - Tcl_SetStringObj(resultPtr, Tcl_DStringValue(&dstr), Tcl_DStringLength(&dstr)); - HUnlock(pathHandle); - DisposeHandle(pathHandle); - Tcl_DStringFree(&dstr); - } - return TCL_OK; - case RESOURCE_LIST: - if (!((objc == 3) || (objc == 4))) { - Tcl_WrongNumArgs(interp, 2, objv, "resourceType ?resourceRef?"); - return TCL_ERROR; - } - if (Tcl_GetOSTypeFromObj(interp, objv[2], &rezType) != TCL_OK) { - return TCL_ERROR; - } - - if (objc == 4) { - resourceRef = GetRsrcRefFromObj(objv[3], 1, - "list", resultPtr); - if (resourceRef == NULL) { - return TCL_ERROR; - } - - saveRef = CurResFile(); - UseResFile((short) resourceRef->fileRef); - limitSearch = true; - } - - Tcl_ResetResult(interp); - if (limitSearch) { - count = Count1Resources(rezType); - } else { - count = CountResources(rezType); - } - SetResLoad(false); - for (i = 1; i <= count; i++) { - if (limitSearch) { - resource = Get1IndResource(rezType, i); - } else { - resource = GetIndResource(rezType, i); - } - if (resource != NULL) { - GetResInfo(resource, &id, (ResType *) &rezType, theName); - if (theName[0] != 0) { - - objPtr = Tcl_NewStringObj((char *) theName + 1, - theName[0]); - } else { - objPtr = Tcl_NewIntObj(id); - } - ReleaseResource(resource); - result = Tcl_ListObjAppendElement(interp, resultPtr, - objPtr); - if (result != TCL_OK) { - Tcl_DecrRefCount(objPtr); - break; - } - } - } - SetResLoad(true); - - if (limitSearch) { - UseResFile(saveRef); - } - - return TCL_OK; - case RESOURCE_OPEN: { - Tcl_DString ds, buffer; - CONST char *str, *native; - int length; - - if (!((objc == 3) || (objc == 4))) { - Tcl_WrongNumArgs(interp, 2, objv, "fileName ?permissions?"); - return TCL_ERROR; - } - str = Tcl_GetStringFromObj(objv[2], &length); - if (Tcl_TranslateFileName(interp, str, &buffer) == NULL) { - return TCL_ERROR; - } - native = Tcl_UtfToExternalDString(NULL, Tcl_DStringValue(&buffer), - Tcl_DStringLength(&buffer), &ds); - err = FSpLocationFromPath(Tcl_DStringLength(&ds), native, &fileSpec); - Tcl_DStringFree(&ds); - Tcl_DStringFree(&buffer); - - if (!((err == noErr) || (err == fnfErr))) { - Tcl_AppendStringsToObj(resultPtr, "invalid path", (char *) NULL); - return TCL_ERROR; - } - - /* - * Get permissions for the file. We really only understand - * read-only and shared-read-write. If no permissions are - * given we default to read only. - */ - - if (objc == 4) { - stringPtr = Tcl_GetStringFromObj(objv[3], &length); - mode = TclGetOpenMode(interp, stringPtr, &index); - if (mode == -1) { - /* TODO: TclGetOpenMode doesn't work with Obj commands. */ - return TCL_ERROR; - } - switch (mode & (O_RDONLY | O_WRONLY | O_RDWR)) { - case O_RDONLY: - macPermision = fsRdPerm; - break; - case O_WRONLY: - case O_RDWR: - macPermision = fsRdWrShPerm; - break; - default: - panic("Tcl_ResourceObjCmd: invalid mode value"); - break; - } - } else { - macPermision = fsRdPerm; - } - - /* - * Don't load in any of the resources in the file, this could - * cause problems if you open a file that has CODE resources... - */ - - SetResLoad(false); - fileRef = (long) FSpOpenResFileCompat(&fileSpec, macPermision); - SetResLoad(true); - - if (fileRef == -1) { - err = ResError(); - if (((err == fnfErr) || (err == eofErr)) && - (macPermision == fsRdWrShPerm)) { - /* - * No resource fork existed for this file. Since we are - * opening it for writing we will create the resource fork - * now. - */ - - HCreateResFile(fileSpec.vRefNum, fileSpec.parID, - fileSpec.name); - fileRef = (long) FSpOpenResFileCompat(&fileSpec, - macPermision); - if (fileRef == -1) { - goto openError; - } - } else if (err == fnfErr) { - Tcl_AppendStringsToObj(resultPtr, - "file does not exist", (char *) NULL); - return TCL_ERROR; - } else if (err == eofErr) { - Tcl_AppendStringsToObj(resultPtr, - "file does not contain resource fork", (char *) NULL); - return TCL_ERROR; - } else { - openError: - Tcl_AppendStringsToObj(resultPtr, - "error opening resource file", (char *) NULL); - return TCL_ERROR; - } - } - - /* - * The FspOpenResFile function does not set the ResFileAttrs. - * Even if you open the file read only, the mapReadOnly - * attribute is not set. This means we can't detect writes to a - * read only resource fork until the write fails, which is bogus. - * So set it here... - */ - - if (macPermision == fsRdPerm) { - SetResFileAttrs(fileRef, mapReadOnly); - } - - Tcl_SetStringObj(resultPtr, "", 0); - if (TclMacRegisterResourceFork(fileRef, resultPtr, - TCL_RESOURCE_CHECK_IF_OPEN) != TCL_OK) { - CloseResFile(fileRef); - return TCL_ERROR; - } - return TCL_OK; - } - case RESOURCE_READ: - if (!((objc == 4) || (objc == 5))) { - Tcl_WrongNumArgs(interp, 2, objv, - "resourceType resourceId ?resourceRef?"); - return TCL_ERROR; - } - - if (Tcl_GetOSTypeFromObj(interp, objv[2], &rezType) != TCL_OK) { - return TCL_ERROR; - } - - if (Tcl_GetLongFromObj((Tcl_Interp *) NULL, objv[3], &rsrcId) - != TCL_OK) { - resourceId = Tcl_GetStringFromObj(objv[3], &length); - } - - if (objc == 5) { - stringPtr = Tcl_GetStringFromObj(objv[4], &length); - } else { - stringPtr = NULL; - } - - resource = Tcl_MacFindResource(interp, rezType, resourceId, - rsrcId, stringPtr, &releaseIt); - - if (resource != NULL) { - size = GetResourceSizeOnDisk(resource); - Tcl_SetByteArrayObj(resultPtr, (unsigned char *) *resource, size); - - /* - * Don't release the resource unless WE loaded it... - */ - - if (releaseIt) { - ReleaseResource(resource); - } - return TCL_OK; - } else { - Tcl_AppendStringsToObj(resultPtr, "could not load resource", - (char *) NULL); - return TCL_ERROR; - } - case RESOURCE_TYPES: - if (!((objc == 2) || (objc == 3))) { - Tcl_WrongNumArgs(interp, 2, objv, "?resourceRef?"); - return TCL_ERROR; - } - - if (objc == 3) { - resourceRef = GetRsrcRefFromObj(objv[2], 1, - "get types of", resultPtr); - if (resourceRef == NULL) { - return TCL_ERROR; - } - - saveRef = CurResFile(); - UseResFile((short) resourceRef->fileRef); - limitSearch = true; - } - - if (limitSearch) { - count = Count1Types(); - } else { - count = CountTypes(); - } - for (i = 1; i <= count; i++) { - if (limitSearch) { - Get1IndType((ResType *) &rezType, i); - } else { - GetIndType((ResType *) &rezType, i); - } - objPtr = Tcl_NewOSTypeObj(rezType); - result = Tcl_ListObjAppendElement(interp, resultPtr, objPtr); - if (result != TCL_OK) { - Tcl_DecrRefCount(objPtr); - break; - } - } - - if (limitSearch) { - UseResFile(saveRef); - } - - return result; - case RESOURCE_WRITE: - if ((objc < 4) || (objc > 11)) { - Tcl_WrongNumArgs(interp, 2, objv, - "?-id resourceId? ?-name resourceName? ?-file resourceRef?\ - ?-force? resourceType data"); - return TCL_ERROR; - } - - i = 2; - gotInt = false; - resourceId = NULL; - limitSearch = false; - force = 0; - - while (i < (objc - 2)) { - if (Tcl_GetIndexFromObj(interp, objv[i], writeSwitches, - "switch", 0, &index) != TCL_OK) { - return TCL_ERROR; - } - - switch (index) { - case RESOURCE_WRITE_ID: - if (Tcl_GetLongFromObj(interp, objv[i+1], &rsrcId) - != TCL_OK) { - return TCL_ERROR; - } - gotInt = true; - i += 2; - break; - case RESOURCE_WRITE_NAME: - resourceId = Tcl_GetStringFromObj(objv[i+1], &length); - strcpy((char *) theName, resourceId); - resourceId = (char *) theName; - c2pstr(resourceId); - i += 2; - break; - case RESOURCE_WRITE_FILE: - resourceRef = GetRsrcRefFromObj(objv[i+1], 0, - "write to", resultPtr); - if (resourceRef == NULL) { - return TCL_ERROR; - } - limitSearch = true; - i += 2; - break; - case RESOURCE_FORCE: - force = 1; - i += 1; - break; - } - } - if (Tcl_GetOSTypeFromObj(interp, objv[i], &rezType) != TCL_OK) { - return TCL_ERROR; - } - stringPtr = (char *) Tcl_GetByteArrayFromObj(objv[i+1], &length); - - if (gotInt == false) { - rsrcId = UniqueID(rezType); - } - if (resourceId == NULL) { - resourceId = (char *) "\p"; - } - if (limitSearch) { - saveRef = CurResFile(); - UseResFile((short) resourceRef->fileRef); - } - - /* - * If we are adding the resource by number, then we must make sure - * there is not already a resource of that number. We are not going - * load it here, since we want to detect whether we loaded it or - * not. Remember that releasing some resources in particular menu - * related ones, can be fatal. - */ - - if (gotInt == true) { - SetResLoad(false); - resource = Get1Resource(rezType,rsrcId); - SetResLoad(true); - } - - if (resource == NULL) { - /* - * We get into this branch either if there was not already a - * resource of this type & id, or the id was not specified. - */ - - resource = NewHandle(length); - if (resource == NULL) { - resource = NewHandleSys(length); - if (resource == NULL) { - panic("could not allocate memory to write resource"); - } - } - HLock(resource); - memcpy(*resource, stringPtr, length); - HUnlock(resource); - AddResource(resource, rezType, (short) rsrcId, - (StringPtr) resourceId); - releaseIt = 1; - } else { - /* - * We got here because there was a resource of this type - * & ID in the file. - */ - - if (*resource == NULL) { - releaseIt = 1; - } else { - releaseIt = 0; - } - - if (!force) { - /* - *We only overwrite extant resources - * when the -force flag has been set. - */ - - sprintf(errbuf,"%d", rsrcId); - - Tcl_AppendStringsToObj(resultPtr, "the resource ", - errbuf, " already exists, use \"-force\"", - " to overwrite it.", (char *) NULL); - - result = TCL_ERROR; - goto writeDone; - } else if (GetResAttrs(resource) & resProtected) { - /* - * - * Next, check to see if it is protected... - */ - - sprintf(errbuf,"%d", rsrcId); - Tcl_AppendStringsToObj(resultPtr, - "could not write resource id ", - errbuf, " of type ", - Tcl_GetStringFromObj(objv[i],&length), - ", it was protected.",(char *) NULL); - result = TCL_ERROR; - goto writeDone; - } else { - /* - * Be careful, the resource might already be in memory - * if something else loaded it. - */ - - if (*resource == 0) { - LoadResource(resource); - err = ResError(); - if (err != noErr) { - sprintf(errbuf,"%d", rsrcId); - Tcl_AppendStringsToObj(resultPtr, - "error loading resource ", - errbuf, " of type ", - Tcl_GetStringFromObj(objv[i],&length), - " to overwrite it", (char *) NULL); - goto writeDone; - } - } - - SetHandleSize(resource, length); - if ( MemError() != noErr ) { - panic("could not allocate memory to write resource"); - } - - HLock(resource); - memcpy(*resource, stringPtr, length); - HUnlock(resource); - - ChangedResource(resource); - - /* - * We also may have changed the name... - */ - - SetResInfo(resource, rsrcId, (StringPtr) resourceId); - } - } - - err = ResError(); - if (err != noErr) { - Tcl_AppendStringsToObj(resultPtr, - "error adding resource to resource map", - (char *) NULL); - result = TCL_ERROR; - goto writeDone; - } - - WriteResource(resource); - err = ResError(); - if (err != noErr) { - Tcl_AppendStringsToObj(resultPtr, - "error writing resource to disk", - (char *) NULL); - result = TCL_ERROR; - } - - writeDone: - - if (releaseIt) { - ReleaseResource(resource); - err = ResError(); - if (err != noErr) { - Tcl_AppendStringsToObj(resultPtr, - "error releasing resource", - (char *) NULL); - result = TCL_ERROR; - } - } - - if (limitSearch) { - UseResFile(saveRef); - } - - return result; - default: - panic("Tcl_GetIndexFromObj returned unrecognized option"); - return TCL_ERROR; /* Should never be reached. */ - } -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_MacSourceObjCmd -- - * - * This procedure is invoked to process the "source" Tcl command. - * See the user documentation for details on what it does. In - * addition, it supports sourceing from the resource fork of - * type 'TEXT'. - * - * Results: - * A standard Tcl result. - * - * Side effects: - * See the user documentation. - * - *---------------------------------------------------------------------- - */ - -int -Tcl_MacSourceObjCmd( - ClientData dummy, /* Not used. */ - Tcl_Interp *interp, /* Current interpreter. */ - int objc, /* Number of arguments. */ - Tcl_Obj *CONST objv[]) /* Argument objects. */ -{ - char *errNum = "wrong # args: "; - char *errBad = "bad argument: "; - char *errStr; - char *fileName = NULL, *rsrcName = NULL; - long rsrcID = -1; - char *string; - int length; - - if (objc < 2 || objc > 4) { - errStr = errNum; - goto sourceFmtErr; - } - - if (objc == 2) { - return Tcl_FSEvalFile(interp, objv[1]); - } - - /* - * The following code supports a few older forms of this command - * for backward compatability. - */ - string = Tcl_GetStringFromObj(objv[1], &length); - if (!strcmp(string, "-rsrc") || !strcmp(string, "-rsrcname")) { - rsrcName = Tcl_GetStringFromObj(objv[2], &length); - } else if (!strcmp(string, "-rsrcid")) { - if (Tcl_GetLongFromObj(interp, objv[2], &rsrcID) != TCL_OK) { - return TCL_ERROR; - } - } else { - errStr = errBad; - goto sourceFmtErr; - } - - if (objc == 4) { - fileName = Tcl_GetStringFromObj(objv[3], &length); - } - return Tcl_MacEvalResource(interp, rsrcName, rsrcID, fileName); - - sourceFmtErr: - Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), errStr, "should be \"", - Tcl_GetString(objv[0]), " fileName\" or \"", - Tcl_GetString(objv[0]), " -rsrc name ?fileName?\" or \"", - Tcl_GetString(objv[0]), " -rsrcid id ?fileName?\"", - (char *) NULL); - return TCL_ERROR; -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_BeepObjCmd -- - * - * This procedure makes the beep sound. - * - * Results: - * A standard Tcl result. - * - * Side effects: - * Makes a beep. - * - *---------------------------------------------------------------------- - */ - -int -Tcl_BeepObjCmd( - ClientData dummy, /* Not used. */ - Tcl_Interp *interp, /* Current interpreter. */ - int objc, /* Number of arguments. */ - Tcl_Obj *CONST objv[]) /* Argument values. */ -{ - Tcl_Obj *resultPtr, *objPtr; - Handle sound; - Str255 sndName; - int volume = -1, length; - char * sndArg = NULL; - - resultPtr = Tcl_GetObjResult(interp); - if (objc == 1) { - SysBeep(1); - return TCL_OK; - } else if (objc == 2) { - if (!strcmp(Tcl_GetStringFromObj(objv[1], &length), "-list")) { - int count, i; - short id; - Str255 theName; - ResType rezType; - - count = CountResources('snd '); - for (i = 1; i <= count; i++) { - sound = GetIndResource('snd ', i); - if (sound != NULL) { - GetResInfo(sound, &id, &rezType, theName); - if (theName[0] == 0) { - continue; - } - objPtr = Tcl_NewStringObj((char *) theName + 1, - theName[0]); - Tcl_ListObjAppendElement(interp, resultPtr, objPtr); - } - } - return TCL_OK; - } else { - sndArg = Tcl_GetStringFromObj(objv[1], &length); - } - } else if (objc == 3) { - if (!strcmp(Tcl_GetStringFromObj(objv[1], &length), "-volume")) { - Tcl_GetIntFromObj(interp, objv[2], &volume); - } else { - goto beepUsage; - } - } else if (objc == 4) { - if (!strcmp(Tcl_GetStringFromObj(objv[1], &length), "-volume")) { - Tcl_GetIntFromObj(interp, objv[2], &volume); - sndArg = Tcl_GetStringFromObj(objv[3], &length); - } else { - goto beepUsage; - } - } else { - goto beepUsage; - } - - /* - * Play the sound - */ - if (sndArg == NULL) { - /* - * Set Volume for SysBeep - */ - - if (volume >= 0) { - SetSoundVolume(volume, SYS_BEEP_VOLUME); - } - SysBeep(1); - - /* - * Reset Volume - */ - - if (volume >= 0) { - SetSoundVolume(0, RESET_VOLUME); - } - } else { - strcpy((char *) sndName + 1, sndArg); - sndName[0] = length; - sound = GetNamedResource('snd ', sndName); - if (sound != NULL) { - /* - * Set Volume for Default Output device - */ - - if (volume >= 0) { - SetSoundVolume(volume, DEFAULT_SND_VOLUME); - } - - SndPlay(NULL, (SndListHandle) sound, false); - - /* - * Reset Volume - */ - - if (volume >= 0) { - SetSoundVolume(0, RESET_VOLUME); - } - } else { - Tcl_AppendStringsToObj(resultPtr, " \"", sndArg, - "\" is not a valid sound. (Try ", - Tcl_GetString(objv[0]), " -list)", NULL); - return TCL_ERROR; - } - } - - return TCL_OK; - - beepUsage: - Tcl_WrongNumArgs(interp, 1, objv, "[-volume num] [-list | sndName]?"); - return TCL_ERROR; -} - -/* - *----------------------------------------------------------------------------- - * - * SetSoundVolume -- - * - * Set the volume for either the SysBeep or the SndPlay call depending - * on the value of mode (SYS_BEEP_VOLUME or DEFAULT_SND_VOLUME - * respectively. - * - * It also stores the last channel set, and the old value of its - * VOLUME. If you call SetSoundVolume with a mode of RESET_VOLUME, - * it will undo the last setting. The volume parameter is - * ignored in this case. - * - * Side Effects: - * Sets the System Volume - * - * Results: - * None - * - *----------------------------------------------------------------------------- - */ - -void -SetSoundVolume( - int volume, /* This is the new volume */ - enum WhichVolume mode) /* This flag says which volume to - * set: SysBeep, SndPlay, or instructs us - * to reset the volume */ -{ - static int hasSM3 = -1; - static enum WhichVolume oldMode; - static long oldVolume = -1; - - /* - * The volume setting calls only work if we have SoundManager - * 3.0 or higher. So we check that here. - */ - - if (hasSM3 == -1) { - if (GetToolboxTrapAddress(_SoundDispatch) - != GetToolboxTrapAddress(_Unimplemented)) { - NumVersion SMVers = SndSoundManagerVersion(); - if (SMVers.majorRev > 2) { - hasSM3 = 1; - } else { - hasSM3 = 0; - } - } else { - /* - * If the SoundDispatch trap is not present, then - * we don't have the SoundManager at all. - */ - - hasSM3 = 0; - } - } - - /* - * If we don't have Sound Manager 3.0, we can't set the sound volume. - * We will just ignore the request rather than raising an error. - */ - - if (!hasSM3) { - return; - } - - switch (mode) { - case SYS_BEEP_VOLUME: - GetSysBeepVolume(&oldVolume); - SetSysBeepVolume(volume); - oldMode = SYS_BEEP_VOLUME; - break; - case DEFAULT_SND_VOLUME: - GetDefaultOutputVolume(&oldVolume); - SetDefaultOutputVolume(volume); - oldMode = DEFAULT_SND_VOLUME; - break; - case RESET_VOLUME: - /* - * If oldVolume is -1 someone has made a programming error - * and called reset before setting the volume. This is benign - * however, so we will just exit. - */ - - if (oldVolume != -1) { - if (oldMode == SYS_BEEP_VOLUME) { - SetSysBeepVolume(oldVolume); - } else if (oldMode == DEFAULT_SND_VOLUME) { - SetDefaultOutputVolume(oldVolume); - } - } - oldVolume = -1; - } -} - -/* - *----------------------------------------------------------------------------- - * - * Tcl_MacEvalResource -- - * - * Used to extend the source command. Sources Tcl code from a Text - * resource. Currently only sources the resouce by name file ID may be - * supported at a later date. - * - * Side Effects: - * Depends on the Tcl code in the resource. - * - * Results: - * Returns a Tcl result. - * - *----------------------------------------------------------------------------- - */ - -int -Tcl_MacEvalResource( - Tcl_Interp *interp, /* Interpreter in which to process file. */ - CONST char *resourceName, /* Name of TEXT resource to source, - NULL if number should be used. */ - int resourceNumber, /* Resource id of source. */ - CONST char *fileName) /* Name of file to process. - NULL if application resource. */ -{ - Handle sourceText; - Str255 rezName; - char msg[200]; - int result, iOpenedResFile = false; - short saveRef, fileRef = -1; - char idStr[64]; - FSSpec fileSpec; - Tcl_DString ds, buffer; - CONST char *nativeName; - - saveRef = CurResFile(); - - if (fileName != NULL) { - OSErr err; - - if (Tcl_TranslateFileName(interp, fileName, &buffer) == NULL) { - return TCL_ERROR; - } - nativeName = Tcl_UtfToExternalDString(NULL, Tcl_DStringValue(&buffer), - Tcl_DStringLength(&buffer), &ds); - err = FSpLocationFromPath(strlen(nativeName), nativeName, - &fileSpec); - Tcl_DStringFree(&ds); - Tcl_DStringFree(&buffer); - if (err != noErr) { - Tcl_AppendResult(interp, "Error finding the file: \"", - fileName, "\".", NULL); - return TCL_ERROR; - } - - fileRef = FSpOpenResFileCompat(&fileSpec, fsRdPerm); - if (fileRef == -1) { - Tcl_AppendResult(interp, "Error reading the file: \"", - fileName, "\".", NULL); - return TCL_ERROR; - } - - UseResFile(fileRef); - iOpenedResFile = true; - } else { - /* - * The default behavior will search through all open resource files. - * This may not be the behavior you desire. If you want the behavior - * of this call to *only* search the application resource fork, you - * must call UseResFile at this point to set it to the application - * file. This means you must have already obtained the application's - * fileRef when the application started up. - */ - } - - /* - * Load the resource by name or ID - */ - if (resourceName != NULL) { - Tcl_DString ds; - Tcl_UtfToExternalDString(NULL, resourceName, -1, &ds); - strcpy((char *) rezName + 1, Tcl_DStringValue(&ds)); - rezName[0] = (unsigned) Tcl_DStringLength(&ds); - sourceText = GetNamedResource('TEXT', rezName); - Tcl_DStringFree(&ds); - } else { - sourceText = GetResource('TEXT', (short) resourceNumber); - } - - if (sourceText == NULL) { - result = TCL_ERROR; - } else { - char *sourceStr = NULL; - - HLock(sourceText); - sourceStr = Tcl_MacConvertTextResource(sourceText); - HUnlock(sourceText); - ReleaseResource(sourceText); - - /* - * We now evaluate the Tcl source - */ - result = Tcl_Eval(interp, sourceStr); - ckfree(sourceStr); - if (result == TCL_RETURN) { - result = TCL_OK; - } else if (result == TCL_ERROR) { - sprintf(msg, "\n (rsrc \"%.150s\" line %d)", - resourceName, - interp->errorLine); - Tcl_AddErrorInfo(interp, msg); - } - - goto rezEvalCleanUp; - } - - rezEvalError: - sprintf(idStr, "ID=%d", resourceNumber); - Tcl_AppendResult(interp, "The resource \"", - (resourceName != NULL ? resourceName : idStr), - "\" could not be loaded from ", - (fileName != NULL ? fileName : "application"), - ".", NULL); - - rezEvalCleanUp: - - /* - * TRICKY POINT: The code that you are sourcing here could load a - * shared library. This will go AHEAD of the resource we stored away - * in saveRef on the resource path. - * If you restore the saveRef in this case, you will never be able - * to get to the resources in the shared library, since you are now - * pointing too far down on the resource list. - * So, we only reset the current resource file if WE opened a resource - * explicitly, and then only if the CurResFile is still the - * one we opened... - */ - - if (iOpenedResFile && (CurResFile() == fileRef)) { - UseResFile(saveRef); - } - - if (fileRef != -1) { - CloseResFile(fileRef); - } - - return result; -} - -/* - *----------------------------------------------------------------------------- - * - * Tcl_MacConvertTextResource -- - * - * Converts a TEXT resource into a Tcl suitable string. - * - * Side Effects: - * Mallocs the returned memory, converts '\r' to '\n', and appends a NULL. - * - * Results: - * A new malloced string. - * - *----------------------------------------------------------------------------- - */ - -char * -Tcl_MacConvertTextResource( - Handle resource) /* Handle to TEXT resource. */ -{ - int i, size; - char *resultStr; - Tcl_DString dstr; - - size = GetResourceSizeOnDisk(resource); - - Tcl_ExternalToUtfDString(NULL, *resource, size, &dstr); - - size = Tcl_DStringLength(&dstr) + 1; - resultStr = (char *) ckalloc((unsigned) size); - - memcpy((VOID *) resultStr, (VOID *) Tcl_DStringValue(&dstr), (size_t) size); - - Tcl_DStringFree(&dstr); - - for (i=0; i<size; i++) { - if (resultStr[i] == '\r') { - resultStr[i] = '\n'; - } - } - - return resultStr; -} - -/* - *----------------------------------------------------------------------------- - * - * Tcl_MacFindResource -- - * - * Higher level interface for loading resources. - * - * Side Effects: - * Attempts to load a resource. - * - * Results: - * A handle on success. - * - *----------------------------------------------------------------------------- - */ - -Handle -Tcl_MacFindResource( - Tcl_Interp *interp, /* Interpreter in which to process file. */ - long resourceType, /* Type of resource to load. */ - CONST char *resourceName, /* Name of resource to find, - * NULL if number should be used. */ - int resourceNumber, /* Resource id of source. */ - CONST char *resFileRef, /* Registered resource file reference, - * NULL if searching all open resource files. */ - int *releaseIt) /* Should we release this resource when done. */ -{ - Tcl_HashEntry *nameHashPtr; - OpenResourceFork *resourceRef; - int limitSearch = false; - short saveRef; - Handle resource; - - if (resFileRef != NULL) { - nameHashPtr = Tcl_FindHashEntry(&nameTable, resFileRef); - if (nameHashPtr == NULL) { - Tcl_AppendResult(interp, "invalid resource file reference \"", - resFileRef, "\"", (char *) NULL); - return NULL; - } - resourceRef = (OpenResourceFork *) Tcl_GetHashValue(nameHashPtr); - saveRef = CurResFile(); - UseResFile((short) resourceRef->fileRef); - limitSearch = true; - } - - /* - * Some system resources (for example system resources) should not - * be released. So we set autoload to false, and try to get the resource. - * If the Master Pointer of the returned handle is null, then resource was - * not in memory, and it is safe to release it. Otherwise, it is not. - */ - - SetResLoad(false); - - if (resourceName == NULL) { - if (limitSearch) { - resource = Get1Resource(resourceType, resourceNumber); - } else { - resource = GetResource(resourceType, resourceNumber); - } - } else { - Str255 rezName; - Tcl_DString ds; - Tcl_UtfToExternalDString(NULL, resourceName, -1, &ds); - strcpy((char *) rezName + 1, Tcl_DStringValue(&ds)); - rezName[0] = (unsigned) Tcl_DStringLength(&ds); - if (limitSearch) { - resource = Get1NamedResource(resourceType, - rezName); - } else { - resource = GetNamedResource(resourceType, - rezName); - } - Tcl_DStringFree(&ds); - } - - if (resource != NULL && *resource == NULL) { - *releaseIt = 1; - LoadResource(resource); - } else { - *releaseIt = 0; - } - - SetResLoad(true); - - - if (limitSearch) { - UseResFile(saveRef); - } - - return resource; -} - -/* - *---------------------------------------------------------------------- - * - * ResourceInit -- - * - * Initialize the structures used for resource management. - * - * Results: - * None. - * - * Side effects: - * Read the code. - * - *---------------------------------------------------------------------- - */ - -static void -ResourceInit() -{ - - initialized = 1; - Tcl_InitHashTable(&nameTable, TCL_STRING_KEYS); - Tcl_InitHashTable(&resourceTable, TCL_ONE_WORD_KEYS); - resourceForkList = Tcl_NewObj(); - Tcl_IncrRefCount(resourceForkList); - - BuildResourceForkList(); - -} -/***/ - -/*Tcl_RegisterObjType(typePtr) */ - -/* - *---------------------------------------------------------------------- - * - * Tcl_NewOSTypeObj -- - * - * This procedure is used to create a new resource name type object. - * - * Results: - * The newly created object is returned. This object will have a NULL - * string representation. The returned object has ref count 0. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -Tcl_Obj * -Tcl_NewOSTypeObj( - OSType newOSType) /* Int used to initialize the new object. */ -{ - register Tcl_Obj *objPtr; - - if (!osTypeInit) { - osTypeInit = 1; - Tcl_RegisterObjType(&osType); - } - - objPtr = Tcl_NewObj(); - objPtr->bytes = NULL; - objPtr->internalRep.longValue = newOSType; - objPtr->typePtr = &osType; - return objPtr; -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_SetOSTypeObj -- - * - * Modify an object to be a resource type and to have the - * specified long value. - * - * Results: - * None. - * - * Side effects: - * The object's old string rep, if any, is freed. Also, any old - * internal rep is freed. - * - *---------------------------------------------------------------------- - */ - -void -Tcl_SetOSTypeObj( - Tcl_Obj *objPtr, /* Object whose internal rep to init. */ - OSType newOSType) /* Integer used to set object's value. */ -{ - register Tcl_ObjType *oldTypePtr = objPtr->typePtr; - - if (!osTypeInit) { - osTypeInit = 1; - Tcl_RegisterObjType(&osType); - } - - if ((oldTypePtr != NULL) && (oldTypePtr->freeIntRepProc != NULL)) { - oldTypePtr->freeIntRepProc(objPtr); - } - - objPtr->internalRep.longValue = newOSType; - objPtr->typePtr = &osType; - - Tcl_InvalidateStringRep(objPtr); -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_GetOSTypeFromObj -- - * - * Attempt to return an int from the Tcl object "objPtr". If the object - * is not already an int, an attempt will be made to convert it to one. - * - * Results: - * The return value is a standard Tcl object result. If an error occurs - * during conversion, an error message is left in interp->objResult - * unless "interp" is NULL. - * - * Side effects: - * If the object is not already an int, the conversion will free - * any old internal representation. - * - *---------------------------------------------------------------------- - */ - -int -Tcl_GetOSTypeFromObj( - Tcl_Interp *interp, /* Used for error reporting if not NULL. */ - Tcl_Obj *objPtr, /* The object from which to get a int. */ - OSType *osTypePtr) /* Place to store resulting int. */ -{ - register int result; - - if (!osTypeInit) { - osTypeInit = 1; - Tcl_RegisterObjType(&osType); - } - - if (objPtr->typePtr == &osType) { - *osTypePtr = objPtr->internalRep.longValue; - return TCL_OK; - } - - result = SetOSTypeFromAny(interp, objPtr); - if (result == TCL_OK) { - *osTypePtr = objPtr->internalRep.longValue; - } - return result; -} - -/* - *---------------------------------------------------------------------- - * - * DupOSTypeInternalRep -- - * - * Initialize the internal representation of an int Tcl_Obj to a - * copy of the internal representation of an existing int object. - * - * Results: - * None. - * - * Side effects: - * "copyPtr"s internal rep is set to the integer corresponding to - * "srcPtr"s internal rep. - * - *---------------------------------------------------------------------- - */ - -static void -DupOSTypeInternalRep( - Tcl_Obj *srcPtr, /* Object with internal rep to copy. */ - Tcl_Obj *copyPtr) /* Object with internal rep to set. */ -{ - copyPtr->internalRep.longValue = srcPtr->internalRep.longValue; - copyPtr->typePtr = &osType; -} - -/* - *---------------------------------------------------------------------- - * - * SetOSTypeFromAny -- - * - * Attempt to generate an integer internal form for the Tcl object - * "objPtr". - * - * Results: - * The return value is a standard object Tcl result. If an error occurs - * during conversion, an error message is left in interp->objResult - * unless "interp" is NULL. - * - * Side effects: - * If no error occurs, an int is stored as "objPtr"s internal - * representation. - * - *---------------------------------------------------------------------- - */ - -static int -SetOSTypeFromAny( - Tcl_Interp *interp, /* Used for error reporting if not NULL. */ - Tcl_Obj *objPtr) /* The object to convert. */ -{ - Tcl_ObjType *oldTypePtr = objPtr->typePtr; - char *string; - int length; - long newOSType; - - /* - * Get the string representation. Make it up-to-date if necessary. - */ - - string = Tcl_GetStringFromObj(objPtr, &length); - - if (length != 4) { - if (interp != NULL) { - Tcl_ResetResult(interp); - Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), - "expected Macintosh OS type but got \"", string, "\"", - (char *) NULL); - } - return TCL_ERROR; - } - newOSType = *((long *) string); - - /* - * The conversion to resource type succeeded. Free the old internalRep - * before setting the new one. - */ - - if ((oldTypePtr != NULL) && (oldTypePtr->freeIntRepProc != NULL)) { - oldTypePtr->freeIntRepProc(objPtr); - } - - objPtr->internalRep.longValue = newOSType; - objPtr->typePtr = &osType; - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * UpdateStringOfOSType -- - * - * Update the string representation for an resource type object. - * Note: This procedure does not free an existing old string rep - * so storage will be lost if this has not already been done. - * - * Results: - * None. - * - * Side effects: - * The object's string is set to a valid string that results from - * the int-to-string conversion. - * - *---------------------------------------------------------------------- - */ - -static void -UpdateStringOfOSType( - register Tcl_Obj *objPtr) /* Int object whose string rep to update. */ -{ - objPtr->bytes = ckalloc(5); - sprintf(objPtr->bytes, "%-4.4s", &(objPtr->internalRep.longValue)); - objPtr->length = 4; -} - -/* - *---------------------------------------------------------------------- - * - * GetRsrcRefFromObj -- - * - * Given a String object containing a resource file token, return - * the OpenResourceFork structure that it represents, or NULL if - * the token cannot be found. If okayOnReadOnly is false, it will - * also check whether the token corresponds to a read-only file, - * and return NULL if it is. - * - * Results: - * A pointer to an OpenResourceFork structure, or NULL. - * - * Side effects: - * An error message may be left in resultPtr. - * - *---------------------------------------------------------------------- - */ - -static OpenResourceFork * -GetRsrcRefFromObj( - register Tcl_Obj *objPtr, /* String obj containing file token */ - int okayOnReadOnly, /* Whether this operation is okay for a * - * read only file. */ - const char *operation, /* String containing the operation we * - * were trying to perform, used for errors */ - Tcl_Obj *resultPtr) /* Tcl_Obj to contain error message */ -{ - char *stringPtr; - Tcl_HashEntry *nameHashPtr; - OpenResourceFork *resourceRef; - int length; - OSErr err; - - stringPtr = Tcl_GetStringFromObj(objPtr, &length); - nameHashPtr = Tcl_FindHashEntry(&nameTable, stringPtr); - if (nameHashPtr == NULL) { - Tcl_AppendStringsToObj(resultPtr, - "invalid resource file reference \"", - stringPtr, "\"", (char *) NULL); - return NULL; - } - - resourceRef = (OpenResourceFork *) Tcl_GetHashValue(nameHashPtr); - - if (!okayOnReadOnly) { - err = GetResFileAttrs((short) resourceRef->fileRef); - if (err & mapReadOnly) { - Tcl_AppendStringsToObj(resultPtr, "cannot ", operation, - " resource file \"", - stringPtr, "\", it was opened read only", - (char *) NULL); - return NULL; - } - } - return resourceRef; -} - -/* - *---------------------------------------------------------------------- - * - * TclMacRegisterResourceFork -- - * - * Register an open resource fork in the table of open resources - * managed by the procedures in this file. If the resource file - * is already registered with the table, then no new token is made. - * - * The behavior is controlled by the value of tokenPtr, and of the - * flags variable. For tokenPtr, the possibilities are: - * - NULL: The new token is auto-generated, but not returned. - * - The string value of tokenPtr is the empty string: Then - * the new token is auto-generated, and returned in tokenPtr - * - tokenPtr has a value: The string value will be used for the token, - * unless it is already in use, in which case a new token will - * be generated, and returned in tokenPtr. - * - * For the flags variable: it can be one of: - * - TCL_RESOURCE__INSERT_TAIL: The element is inserted at the - * end of the list of open resources. Used only in Resource_Init. - * - TCL_RESOURCE_DONT_CLOSE: The resource close command will not close - * this resource. - * - TCL_RESOURCE_CHECK_IF_OPEN: This will check to see if this file's - * resource fork is already opened by this Tcl shell, and return - * an error without registering the resource fork. - * - * Results: - * Standard Tcl Result - * - * Side effects: - * An entry may be added to the resource name table. - * - *---------------------------------------------------------------------- - */ - -int -TclMacRegisterResourceFork( - short fileRef, /* File ref for an open resource fork. */ - Tcl_Obj *tokenPtr, /* A Tcl Object to which to write the * - * new token */ - int flags) /* 1 means insert at the head of the resource - * fork list, 0 means at the tail */ - -{ - Tcl_HashEntry *resourceHashPtr; - Tcl_HashEntry *nameHashPtr; - OpenResourceFork *resourceRef; - int new; - char *resourceId = NULL; - - if (!initialized) { - ResourceInit(); - } - - /* - * If we were asked to, check that this file has not been opened - * already with a different permission. It it has, then return an error. - */ - - new = 1; - - if (flags & TCL_RESOURCE_CHECK_IF_OPEN) { - Tcl_HashSearch search; - short oldFileRef, filePermissionFlag; - FCBPBRec newFileRec, oldFileRec; - OSErr err; - - oldFileRec.ioCompletion = NULL; - oldFileRec.ioFCBIndx = 0; - oldFileRec.ioNamePtr = NULL; - - newFileRec.ioCompletion = NULL; - newFileRec.ioFCBIndx = 0; - newFileRec.ioNamePtr = NULL; - newFileRec.ioVRefNum = 0; - newFileRec.ioRefNum = fileRef; - err = PBGetFCBInfo(&newFileRec, false); - filePermissionFlag = ( newFileRec.ioFCBFlags >> 12 ) & 0x1; - - - resourceHashPtr = Tcl_FirstHashEntry(&resourceTable, &search); - while (resourceHashPtr != NULL) { - oldFileRef = (short) Tcl_GetHashKey(&resourceTable, - resourceHashPtr); - if (oldFileRef == fileRef) { - new = 0; - break; - } - oldFileRec.ioVRefNum = 0; - oldFileRec.ioRefNum = oldFileRef; - err = PBGetFCBInfo(&oldFileRec, false); - - /* - * err might not be noErr either because the file has closed - * out from under us somehow, which is bad but we're not going - * to fix it here, OR because it is the ROM MAP, which has a - * fileRef, but can't be gotten to by PBGetFCBInfo. - */ - if ((err == noErr) - && (newFileRec.ioFCBVRefNum == oldFileRec.ioFCBVRefNum) - && (newFileRec.ioFCBFlNm == oldFileRec.ioFCBFlNm)) { - /* - * In MacOS 8.1 it seems like we get different file refs even - * though we pass the same file & permissions. This is not - * what Inside Mac says should happen, but it does, so if it - * does, then close the new res file and return the original - * one... - */ - - if (filePermissionFlag == ((oldFileRec.ioFCBFlags >> 12) & 0x1)) { - CloseResFile(fileRef); - new = 0; - break; - } else { - if (tokenPtr != NULL) { - Tcl_SetStringObj(tokenPtr, "Resource already open with different permissions.", -1); - } - return TCL_ERROR; - } - } - resourceHashPtr = Tcl_NextHashEntry(&search); - } - } - - - /* - * If the file has already been opened with these same permissions, then it - * will be in our list and we will have set new to 0 above. - * So we will just return the token (if tokenPtr is non-null) - */ - - if (new) { - resourceHashPtr = Tcl_CreateHashEntry(&resourceTable, - (char *) fileRef, &new); - } - - if (!new) { - if (tokenPtr != NULL) { - resourceId = (char *) Tcl_GetHashValue(resourceHashPtr); - Tcl_SetStringObj(tokenPtr, resourceId, -1); - } - return TCL_OK; - } - - /* - * If we were passed in a result pointer which is not an empty - * string, attempt to use that as the key. If the key already - * exists, silently fall back on resource%d... - */ - - if (tokenPtr != NULL) { - char *tokenVal; - int length; - tokenVal = Tcl_GetStringFromObj(tokenPtr, &length); - if (length > 0) { - nameHashPtr = Tcl_FindHashEntry(&nameTable, tokenVal); - if (nameHashPtr == NULL) { - resourceId = ckalloc(length + 1); - memcpy(resourceId, tokenVal, length); - resourceId[length] = '\0'; - } - } - } - - if (resourceId == NULL) { - resourceId = (char *) ckalloc(15); - sprintf(resourceId, "resource%d", newId); - } - - Tcl_SetHashValue(resourceHashPtr, resourceId); - newId++; - - nameHashPtr = Tcl_CreateHashEntry(&nameTable, resourceId, &new); - if (!new) { - panic("resource id has repeated itself"); - } - - resourceRef = (OpenResourceFork *) ckalloc(sizeof(OpenResourceFork)); - resourceRef->fileRef = fileRef; - resourceRef->flags = flags; - - Tcl_SetHashValue(nameHashPtr, (ClientData) resourceRef); - if (tokenPtr != NULL) { - Tcl_SetStringObj(tokenPtr, resourceId, -1); - } - - if (flags & TCL_RESOURCE_INSERT_TAIL) { - Tcl_ListObjAppendElement(NULL, resourceForkList, tokenPtr); - } else { - Tcl_ListObjReplace(NULL, resourceForkList, 0, 0, 1, &tokenPtr); - } - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * TclMacUnRegisterResourceFork -- - * - * Removes the entry for an open resource fork from the table of - * open resources managed by the procedures in this file. - * If resultPtr is not NULL, it will be used for error reporting. - * - * Results: - * The fileRef for this token, or -1 if an error occured. - * - * Side effects: - * An entry is removed from the resource name table. - * - *---------------------------------------------------------------------- - */ - -short -TclMacUnRegisterResourceFork( - char *tokenPtr, - Tcl_Obj *resultPtr) - -{ - Tcl_HashEntry *resourceHashPtr; - Tcl_HashEntry *nameHashPtr; - OpenResourceFork *resourceRef; - char *resourceId = NULL; - short fileRef; - char *bytes; - int i, match, index, listLen, length, elemLen; - Tcl_Obj **elemPtrs; - - - nameHashPtr = Tcl_FindHashEntry(&nameTable, tokenPtr); - if (nameHashPtr == NULL) { - if (resultPtr != NULL) { - Tcl_AppendStringsToObj(resultPtr, - "invalid resource file reference \"", - tokenPtr, "\"", (char *) NULL); - } - return -1; - } - - resourceRef = (OpenResourceFork *) Tcl_GetHashValue(nameHashPtr); - fileRef = resourceRef->fileRef; - - if ( resourceRef->flags & TCL_RESOURCE_DONT_CLOSE ) { - if (resultPtr != NULL) { - Tcl_AppendStringsToObj(resultPtr, - "can't close \"", tokenPtr, "\" resource file", - (char *) NULL); - } - return -1; - } - - Tcl_DeleteHashEntry(nameHashPtr); - ckfree((char *) resourceRef); - - - /* - * Now remove the resource from the resourceForkList object - */ - - Tcl_ListObjGetElements(NULL, resourceForkList, &listLen, &elemPtrs); - - - index = -1; - length = strlen(tokenPtr); - - for (i = 0; i < listLen; i++) { - match = 0; - bytes = Tcl_GetStringFromObj(elemPtrs[i], &elemLen); - if (length == elemLen) { - match = (memcmp(bytes, tokenPtr, - (size_t) length) == 0); - } - if (match) { - index = i; - break; - } - } - if (!match) { - panic("the resource Fork List is out of synch!"); - } - - Tcl_ListObjReplace(NULL, resourceForkList, index, 1, 0, NULL); - - resourceHashPtr = Tcl_FindHashEntry(&resourceTable, (char *) fileRef); - - if (resourceHashPtr == NULL) { - panic("Resource & Name tables are out of synch in resource command."); - } - ckfree(Tcl_GetHashValue(resourceHashPtr)); - Tcl_DeleteHashEntry(resourceHashPtr); - - return fileRef; - -} - - -/* - *---------------------------------------------------------------------- - * - * BuildResourceForkList -- - * - * Traverses the list of open resource forks, and builds the - * list of resources forks. Also creates a resource token for any that - * are opened but not registered with our resource system. - * This is based on code from Apple DTS. - * - * Results: - * None. - * - * Side effects: - * The list of resource forks is updated. - * The resource name table may be augmented. - * - *---------------------------------------------------------------------- - */ - -void -BuildResourceForkList() -{ - Handle currentMapHandle, mSysMapHandle; - Ptr tempPtr; - FCBPBRec fileRec; - char fileName[256]; - char appName[62]; - Tcl_Obj *nameObj; - OSErr err; - ProcessSerialNumber psn; - ProcessInfoRec info; - FSSpec fileSpec; - - /* - * Get the application name, so we can substitute - * the token "application" for the application's resource. - */ - - GetCurrentProcess(&psn); - info.processInfoLength = sizeof(ProcessInfoRec); - info.processName = (StringPtr) &appName; - info.processAppSpec = &fileSpec; - GetProcessInformation(&psn, &info); - p2cstr((StringPtr) appName); - - - fileRec.ioCompletion = NULL; - fileRec.ioVRefNum = 0; - fileRec.ioFCBIndx = 0; - fileRec.ioNamePtr = (StringPtr) &fileName; - - - currentMapHandle = LMGetTopMapHndl(); - mSysMapHandle = LMGetSysMapHndl(); - - while (1) { - /* - * Now do the ones opened after the application. - */ - - nameObj = Tcl_NewObj(); - - tempPtr = *currentMapHandle; - - fileRec.ioRefNum = *((short *) (tempPtr + 20)); - err = PBGetFCBInfo(&fileRec, false); - - if (err != noErr) { - /* - * The ROM resource map does not correspond to an opened file... - */ - Tcl_SetStringObj(nameObj, "ROM Map", -1); - } else { - p2cstr((StringPtr) fileName); - if (strcmp(fileName,appName) == 0) { - Tcl_SetStringObj(nameObj, "application", -1); - } else { - Tcl_SetStringObj(nameObj, fileName, -1); - } - c2pstr(fileName); - } - - TclMacRegisterResourceFork(fileRec.ioRefNum, nameObj, - TCL_RESOURCE_DONT_CLOSE | TCL_RESOURCE_INSERT_TAIL); - - if (currentMapHandle == mSysMapHandle) { - break; - } - - currentMapHandle = *((Handle *) (tempPtr + 16)); - } -} |