mirror of https://github.com/python/cpython
322 lines
8.0 KiB
C
322 lines
8.0 KiB
C
/***********************************************************
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Copyright 1991-1997 by Stichting Mathematisch Centrum, Amsterdam,
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The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Construct argc and argv for main() by using Apple Events */
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/* From Jack's implementation for STDWIN */
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#include <stdlib.h>
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#ifndef SystemSevenOrLater
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#define SystemSevenOrLater 1
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#endif
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#include <Types.h>
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#include <Files.h>
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#include <Events.h>
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#include <Memory.h>
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#include <Processes.h>
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#include <Errors.h>
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#include <AppleEvents.h>
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#include <AEObjects.h>
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#include <Desk.h>
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#include <Fonts.h>
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#include <TextEdit.h>
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#include <Menus.h>
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#include <Dialogs.h>
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#include <Windows.h>
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#include "Python.h"
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#include "macglue.h"
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#ifdef GENERATINGCFM /* Defined to 0 or 1 in Universal headers */
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#define HAVE_UNIVERSAL_HEADERS
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#endif
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#ifdef SYMANTEC__CFM68K__
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#pragma lib_export on
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#endif
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#ifndef HAVE_UNIVERSAL_HEADERS
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#define NewAEEventHandlerProc(x) (x)
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#define AEEventHandlerUPP EventHandlerProcPtr
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#endif
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static int arg_count;
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static char *arg_vector[256];
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FSSpec PyMac_ApplicationFSSpec;
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char PyMac_ApplicationPath[256];
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static int applocation_inited;
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/* Duplicate a string to the heap. We also export this since it isn't standard
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** and others use it
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*/
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char *
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strdup(char *src)
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{
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char *dst = malloc(strlen(src) + 1);
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if (dst)
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strcpy(dst, src);
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return dst;
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}
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/* Initialize FSSpec and full name of current application */
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OSErr
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PyMac_init_process_location()
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{
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ProcessSerialNumber currentPSN;
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ProcessInfoRec info;
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OSErr err;
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if ( applocation_inited ) return 0;
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currentPSN.highLongOfPSN = 0;
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currentPSN.lowLongOfPSN = kCurrentProcess;
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info.processInfoLength = sizeof(ProcessInfoRec);
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info.processName = NULL;
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info.processAppSpec = &PyMac_ApplicationFSSpec;
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if ( err=GetProcessInformation(¤tPSN, &info))
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return err;
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if ( err=PyMac_GetFullPath(&PyMac_ApplicationFSSpec, PyMac_ApplicationPath) )
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return err;
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applocation_inited = 1;
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return 0;
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}
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/* Given an FSSpec, return the FSSpec of the parent folder */
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static OSErr
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get_folder_parent (FSSpec * fss, FSSpec * parent)
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{
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CInfoPBRec rec;
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short err;
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* parent = * fss;
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rec.hFileInfo.ioNamePtr = parent->name;
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rec.hFileInfo.ioVRefNum = parent->vRefNum;
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rec.hFileInfo.ioDirID = parent->parID;
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rec.hFileInfo.ioFDirIndex = -1;
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rec.hFileInfo.ioFVersNum = 0;
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if (err = PBGetCatInfoSync (& rec))
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return err;
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parent->parID = rec.dirInfo.ioDrParID;
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/* parent->name[0] = 0; */
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return 0;
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}
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/* Given an FSSpec return a full, colon-separated pathname */
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OSErr
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PyMac_GetFullPath (FSSpec *fss, char *buf)
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{
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short err;
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FSSpec fss_parent, fss_current;
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char tmpbuf[256];
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int plen;
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fss_current = *fss;
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plen = fss_current.name[0];
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memcpy(buf, &fss_current.name[1], plen);
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buf[plen] = 0;
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/* Special case for disk names */
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if ( fss_current.parID <= 1 ) {
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buf[plen++] = ':';
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buf[plen] = 0;
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return 0;
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}
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while (fss_current.parID > 1) {
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/* Get parent folder name */
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if (err = get_folder_parent(&fss_current, &fss_parent))
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return err;
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fss_current = fss_parent;
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/* Prepend path component just found to buf */
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plen = fss_current.name[0];
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if (strlen(buf) + plen + 1 > 256) {
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/* Oops... Not enough space (shouldn't happen) */
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*buf = 0;
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return -1;
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}
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memcpy(tmpbuf, &fss_current.name[1], plen);
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tmpbuf[plen] = ':';
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strcpy(&tmpbuf[plen+1], buf);
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strcpy(buf, tmpbuf);
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}
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return 0;
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}
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/* Check that there aren't any args remaining in the event */
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static OSErr
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get_missing_params(AppleEvent *theAppleEvent)
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{
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DescType theType;
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Size actualSize;
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OSErr err;
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err = AEGetAttributePtr(theAppleEvent, keyMissedKeywordAttr, typeWildCard,
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&theType, nil, 0, &actualSize);
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if (err == errAEDescNotFound)
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return noErr;
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else
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return errAEEventNotHandled;
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}
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static int got_one; /* Flag that we can stop getting events */
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/* Handle the Print or Quit events (by failing) */
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static pascal OSErr
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handle_not(AppleEvent *theAppleEvent, AppleEvent *reply, long refCon)
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{
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#pragma unused (reply, refCon)
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got_one = 1;
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return errAEEventNotHandled;
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}
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/* Handle the Open Application event (by ignoring it) */
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static pascal OSErr
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handle_open_app(AppleEvent *theAppleEvent, AppleEvent *reply, long refCon)
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{
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#pragma unused (reply, refCon)
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#if 0
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/* Test by Jack: would removing this facilitate debugging? */
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got_one = 1;
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#endif
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return get_missing_params(theAppleEvent);
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}
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/* Handle the Open Document event, by adding an argument */
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static pascal OSErr
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handle_open_doc(AppleEvent *theAppleEvent, AppleEvent *reply, long refCon)
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{
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#pragma unused (reply, refCon)
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OSErr err;
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AEDescList doclist;
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AEKeyword keywd;
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DescType rttype;
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long i, ndocs, size;
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FSSpec fss;
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char path[256];
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got_one = 1;
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if (err = AEGetParamDesc(theAppleEvent,
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keyDirectObject, typeAEList, &doclist))
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return err;
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if (err = get_missing_params(theAppleEvent))
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return err;
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if (err = AECountItems(&doclist, &ndocs))
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return err;
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for(i = 1; i <= ndocs; i++) {
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err = AEGetNthPtr(&doclist, i, typeFSS,
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&keywd, &rttype, &fss, sizeof(fss), &size);
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if (err)
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break;
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PyMac_GetFullPath(&fss, path);
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arg_vector[arg_count++] = strdup(path);
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}
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return err;
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}
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/* Install standard core event handlers */
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AEEventHandlerUPP open_doc_upp;
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AEEventHandlerUPP open_app_upp;
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AEEventHandlerUPP not_upp;
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static void
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set_ae_handlers()
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{
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open_doc_upp = NewAEEventHandlerProc(handle_open_doc);
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open_app_upp = NewAEEventHandlerProc(handle_open_app);
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not_upp = NewAEEventHandlerProc(handle_not);
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AEInstallEventHandler(kCoreEventClass, kAEOpenApplication,
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open_app_upp, 0L, false);
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AEInstallEventHandler(kCoreEventClass, kAEOpenDocuments,
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open_doc_upp, 0L, false);
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AEInstallEventHandler(kCoreEventClass, kAEPrintDocuments,
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not_upp, 0L, false);
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AEInstallEventHandler(kCoreEventClass, kAEQuitApplication,
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not_upp, 0L, false);
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}
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/* Uninstall standard core event handlers */
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static void
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reset_ae_handlers()
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{
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AERemoveEventHandler(kCoreEventClass, kAEOpenApplication,
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open_app_upp, false);
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AERemoveEventHandler(kCoreEventClass, kAEOpenDocuments,
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open_doc_upp, false);
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AERemoveEventHandler(kCoreEventClass, kAEPrintDocuments,
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not_upp, false);
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AERemoveEventHandler(kCoreEventClass, kAEQuitApplication,
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not_upp, false);
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}
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/* Wait for events until a core event has been handled */
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static void
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event_loop()
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{
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EventRecord event;
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int n;
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int ok;
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got_one = 0;
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for (n = 0; n < 100 && !got_one; n++) {
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SystemTask();
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ok = GetNextEvent(everyEvent, &event);
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if (ok && event.what == kHighLevelEvent) {
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AEProcessAppleEvent(&event);
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}
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}
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}
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/* Get the argv vector, return argc */
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int
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PyMac_GetArgv(pargv, noevents)
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char ***pargv;
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int noevents;
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{
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arg_count = 0;
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(void)PyMac_init_process_location();
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arg_vector[arg_count++] = strdup(PyMac_ApplicationPath);
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if( !noevents ) {
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set_ae_handlers();
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event_loop();
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reset_ae_handlers();
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}
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arg_vector[arg_count] = NULL;
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*pargv = arg_vector;
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return arg_count;
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}
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