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author | marha <marha@users.sourceforge.net> | 2011-03-25 15:37:13 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2011-03-25 15:37:13 +0000 |
commit | 41a502478a2972358dec934d82ee401c61a5cd36 (patch) | |
tree | 3fda8100e6da9b4a2863789e393016a750502067 /libXt/src/Convert.c | |
parent | 81aeaf653a832c4054d9a40b1cc796911521a739 (diff) | |
parent | 272e57235cd60a2e65ac8258d96a02eb3939b687 (diff) | |
download | vcxsrv-41a502478a2972358dec934d82ee401c61a5cd36.tar.gz vcxsrv-41a502478a2972358dec934d82ee401c61a5cd36.tar.bz2 vcxsrv-41a502478a2972358dec934d82ee401c61a5cd36.zip |
svn merge ^/branches/released .
Diffstat (limited to 'libXt/src/Convert.c')
-rw-r--r-- | libXt/src/Convert.c | 2193 |
1 files changed, 1095 insertions, 1098 deletions
diff --git a/libXt/src/Convert.c b/libXt/src/Convert.c index f3017d757..5b4603a1d 100644 --- a/libXt/src/Convert.c +++ b/libXt/src/Convert.c @@ -1,1098 +1,1095 @@ -/* $Xorg: Convert.c,v 1.5 2001/02/09 02:03:54 xorgcvs Exp $ */ - -/*********************************************************** -Copyright 1993 Sun Microsystems, Inc. All rights reserved. - -Permission is hereby granted, free of charge, to any person obtaining a -copy of this software and associated documentation files (the "Software"), -to deal in the Software without restriction, including without limitation -the rights to use, copy, modify, merge, publish, distribute, sublicense, -and/or sell copies of the Software, and to permit persons to whom the -Software is furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice (including the next -paragraph) shall be included in all copies or substantial portions of the -Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER -DEALINGS IN THE SOFTWARE. - -Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ -/* $XFree86: xc/lib/Xt/Convert.c,v 3.7 2001/12/14 19:56:09 dawes Exp $ */ - -/* - -Copyright 1987, 1988, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -*/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "IntrinsicI.h" -#include "StringDefs.h" -#include "Intrinsic.h" - -/* Conversion procedure hash table */ - -#define CONVERTHASHSIZE ((unsigned)256) -#define CONVERTHASHMASK 255 -#define ProcHash(from_type, to_type) (2 * (from_type) + to_type) - -typedef struct _ConverterRec *ConverterPtr; -typedef struct _ConverterRec { - ConverterPtr next; - XrmRepresentation from, to; - XtTypeConverter converter; - XtDestructor destructor; - unsigned short num_args; - unsigned int do_ref_count:1; - unsigned int new_style:1; - unsigned int global:1; - char cache_type; -} ConverterRec; - -#define ConvertArgs(p) ((XtConvertArgList)((p)+1)) - -/* used for old-style type converter cache only */ -static Heap globalHeap = {NULL, NULL, 0}; - -void _XtSetDefaultConverterTable( - ConverterTable *table) -{ - register ConverterTable globalConverterTable; - - LOCK_PROCESS; - globalConverterTable = _XtGetProcessContext()->globalConverterTable; - - *table = (ConverterTable) - __XtCalloc(CONVERTHASHSIZE, (unsigned)sizeof(ConverterPtr)); - _XtAddDefaultConverters(*table); - - if (globalConverterTable) { - ConverterPtr rec; - int i; - XtCacheType cache_type; - for (i = CONVERTHASHSIZE; --i >= 0; ) { - for (rec = *globalConverterTable++; rec; rec = rec->next) { - cache_type = rec->cache_type; - if (rec->do_ref_count) - cache_type |= XtCacheRefCount; - _XtTableAddConverter(*table, rec->from, rec->to, rec->converter, - ConvertArgs(rec), rec->num_args, - rec->new_style, cache_type, - rec->destructor, True); - } - } - } - UNLOCK_PROCESS; -} - -void _XtFreeConverterTable( - ConverterTable table) -{ - register Cardinal i; - register ConverterPtr p; - - for (i = 0; i < CONVERTHASHSIZE; i++) { - for (p = table[i]; p; ) { - register ConverterPtr next = p->next; - XtFree((char*)p); - p = next; - } - } - XtFree((char*)table); -} - -/* Data cache hash table */ - -typedef struct _CacheRec *CachePtr; - -typedef struct _CacheRec { - CachePtr next; - XtPointer tag; - int hash; - XtTypeConverter converter; - unsigned short num_args; - unsigned int conversion_succeeded:1; - unsigned int has_ext:1; - unsigned int is_refcounted:1; - unsigned int must_be_freed:1; - unsigned int from_is_value:1; - unsigned int to_is_value:1; - XrmValue from; - XrmValue to; -} CacheRec; - -typedef struct _CacheRecExt { - CachePtr *prev; - XtDestructor destructor; - XtPointer closure; - long ref_count; -} CacheRecExt; - -#define CEXT(p) ((CacheRecExt *)((p)+1)) -#define CARGS(p) ((p)->has_ext ? (XrmValue *)(CEXT(p)+1) : (XrmValue *)((p)+1)) - -#define CACHEHASHSIZE 256 -#define CACHEHASHMASK 255 -typedef CachePtr CacheHashTable[CACHEHASHSIZE]; - -static CacheHashTable cacheHashTable; - -void _XtTableAddConverter( - ConverterTable table, - XrmRepresentation from_type, - XrmRepresentation to_type, - XtTypeConverter converter, - XtConvertArgList convert_args, - Cardinal num_args, - _XtBoolean new_style, - XtCacheType cache_type, - XtDestructor destructor, - _XtBoolean global) -{ - register ConverterPtr *pp; - register ConverterPtr p; - XtConvertArgList args; - - pp= &table[ProcHash(from_type, to_type) & CONVERTHASHMASK]; - while ((p = *pp) && (p->from != from_type || p->to != to_type)) - pp = &p->next; - - if (p) { - *pp = p->next; - XtFree((char *)p); - } - - p = (ConverterPtr) __XtMalloc(sizeof(ConverterRec) + - sizeof(XtConvertArgRec) * num_args); - p->next = *pp; - *pp = p; - p->from = from_type; - p->to = to_type; - p->converter = converter; - p->destructor = destructor; - p->num_args = num_args; - p->global = global; - args = ConvertArgs(p); - while (num_args--) - *args++ = *convert_args++; - p->new_style = new_style; - p->do_ref_count = False; - if (destructor || (cache_type & 0xff)) { - p->cache_type = cache_type & 0xff; - if (cache_type & XtCacheRefCount) - p->do_ref_count = True; - } else { - p->cache_type = XtCacheNone; - } -} - -void XtSetTypeConverter( - register _Xconst char* from_type, - register _Xconst char* to_type, - XtTypeConverter converter, - XtConvertArgList convert_args, - Cardinal num_args, - XtCacheType cache_type, - XtDestructor destructor - ) -{ - ProcessContext process; - XtAppContext app; - XrmRepresentation from; - XrmRepresentation to; - - LOCK_PROCESS; - process = _XtGetProcessContext(); - app = process->appContextList; - from = XrmStringToRepresentation(from_type); - to = XrmStringToRepresentation(to_type); - - if (!process->globalConverterTable) { - process->globalConverterTable = (ConverterTable) - __XtCalloc(CONVERTHASHSIZE, (unsigned)sizeof(ConverterPtr)); - } - _XtTableAddConverter(process->globalConverterTable, from, to, - converter, convert_args, - num_args, True, cache_type, destructor, True); - while (app) { - _XtTableAddConverter(app->converterTable, from, to, - converter, convert_args, - num_args, True, cache_type, destructor, True); - app = app->next; - } - UNLOCK_PROCESS; -} - -void XtAppSetTypeConverter( - XtAppContext app, - register _Xconst char* from_type, - register _Xconst char* to_type, - XtTypeConverter converter, - XtConvertArgList convert_args, - Cardinal num_args, - XtCacheType cache_type, - XtDestructor destructor - ) -{ - LOCK_PROCESS; - _XtTableAddConverter(app->converterTable, - XrmStringToRepresentation(from_type), - XrmStringToRepresentation(to_type), - converter, convert_args, num_args, - True, cache_type, destructor, False); - UNLOCK_PROCESS; -} - -/* old interface */ -void XtAddConverter( - register _Xconst char* from_type, - register _Xconst char* to_type, - XtConverter converter, - XtConvertArgList convert_args, - Cardinal num_args - ) -{ - ProcessContext process; - XtAppContext app; - XrmRepresentation from; - XrmRepresentation to; - - LOCK_PROCESS; - process = _XtGetProcessContext(); - app = process->appContextList; - from = XrmStringToRepresentation(from_type); - to = XrmStringToRepresentation(to_type); - - if (!process->globalConverterTable) { - process->globalConverterTable = (ConverterTable) - __XtCalloc(CONVERTHASHSIZE, (unsigned)sizeof(ConverterPtr)); - } - _XtTableAddConverter(process->globalConverterTable, from, to, - (XtTypeConverter)converter, convert_args, num_args, - False, XtCacheAll, (XtDestructor)NULL, True); - while (app) { - _XtTableAddConverter(app->converterTable, from, to, - (XtTypeConverter)converter, convert_args, - num_args, False, XtCacheAll, (XtDestructor)NULL, - True); - app = app->next; - } - UNLOCK_PROCESS; -} - -/* old interface */ -void XtAppAddConverter( - XtAppContext app, - register _Xconst char* from_type, - register _Xconst char* to_type, - XtConverter converter, - XtConvertArgList convert_args, - Cardinal num_args - ) -{ - LOCK_PROCESS; - _XtTableAddConverter(app->converterTable, - XrmStringToRepresentation(from_type), - XrmStringToRepresentation(to_type), - (XtTypeConverter)converter, convert_args, num_args, - False, XtCacheAll, (XtDestructor)NULL, False); - UNLOCK_PROCESS; -} - -static CachePtr -CacheEnter( - Heap* heap, - register XtTypeConverter converter, - register XrmValuePtr args, - Cardinal num_args, - XrmValuePtr from, - XrmValuePtr to, - Boolean succeeded, - register int hash, - Boolean do_ref, - Boolean do_free, - XtDestructor destructor, - XtPointer closure) -{ - register CachePtr *pHashEntry; - register CachePtr p; - register Cardinal i; - - LOCK_PROCESS; - pHashEntry = &cacheHashTable[hash & CACHEHASHMASK]; - - if ((succeeded && destructor) || do_ref) { - p = (CachePtr) _XtHeapAlloc(heap, (sizeof(CacheRec) + - sizeof(CacheRecExt) + - num_args * sizeof(XrmValue))); - CEXT(p)->prev = pHashEntry; - CEXT(p)->destructor = succeeded ? destructor : NULL; - CEXT(p)->closure = closure; - CEXT(p)->ref_count = 1; - p->has_ext = True; - } - else { - p = (CachePtr)_XtHeapAlloc(heap, (sizeof(CacheRec) + - num_args * sizeof(XrmValue))); - p->has_ext = False; - } - if (!to->addr) - succeeded = False; - p->conversion_succeeded = succeeded; - p->is_refcounted = do_ref; - p->must_be_freed = do_free; - p->next = *pHashEntry; - if (p->next && p->next->has_ext) - CEXT(p->next)->prev = &p->next; - - *pHashEntry = p; - p->tag = (XtPointer)heap; - p->hash = hash; - p->converter = converter; - p->from.size = from->size; - if (from->size <= sizeof(p->from.addr)) { - p->from_is_value = True; - XtMemmove(&p->from.addr, from->addr, from->size); - } else { - p->from_is_value = False; - p->from.addr = (XPointer)_XtHeapAlloc(heap, from->size); - (void) memmove((char *)p->from.addr, (char *)from->addr, from->size); - } - p->num_args = num_args; - if (num_args) { - XrmValue *pargs = CARGS(p); - for (i = 0; i < num_args; i++) { - pargs[i].size = args[i].size; - pargs[i].addr = (XPointer)_XtHeapAlloc(heap, args[i].size); - XtMemmove(pargs[i].addr, args[i].addr, args[i].size); - } - } - p->to.size = to->size; - if (!succeeded) { - p->to_is_value = False; - p->to.addr = NULL; - } else if (to->size <= sizeof(p->to.addr)) { - p->to_is_value = True; - XtMemmove(&p->to.addr, to->addr, to->size); - } else { - p->to_is_value = False; - p->to.addr = (XPointer)_XtHeapAlloc(heap, to->size); - (void) memmove((char *)p->to.addr, (char *)to->addr, to->size); - } - UNLOCK_PROCESS; - return p; -} - -static void FreeCacheRec( - XtAppContext app, - CachePtr p, - CachePtr *prev) -{ - LOCK_PROCESS; - if (p->has_ext) { - if (CEXT(p)->destructor) { - Cardinal num_args = p->num_args; - XrmValue *args = NULL; - XrmValue toc; - if (num_args) - args = CARGS(p); - toc.size = p->to.size; - if (p->to_is_value) - toc.addr = (XPointer)&p->to.addr; - else - toc.addr = p->to.addr; - (*CEXT(p)->destructor) (app, &toc, CEXT(p)->closure, args, - &num_args); - } - *(CEXT(p)->prev) = p->next; - if (p->next && p->next->has_ext) - CEXT(p->next)->prev = CEXT(p)->prev; - } else { - *prev = p->next; - if (p->next && p->next->has_ext) - CEXT(p->next)->prev = prev; - } - if (p->must_be_freed) { - register int i; - if (!p->from_is_value) - XtFree(p->from.addr); - if ((i = p->num_args)) { - XrmValue *pargs = CARGS(p); - while (i--) - XtFree(pargs[i].addr); - } - if (!p->to_is_value) - XtFree(p->to.addr); - XtFree((char*)p); - } - /* else on private heap; will free entire heap later */ - UNLOCK_PROCESS; -} - - -void _XtCacheFlushTag( - XtAppContext app, - XtPointer tag) -{ - int i; - register CachePtr *prev; - register CachePtr rec; - - LOCK_PROCESS; - for (i = CACHEHASHSIZE; --i >= 0;) { - prev = &cacheHashTable[i]; - while ((rec = *prev)) { - if (rec->tag == tag) - FreeCacheRec(app, rec, prev); - else - prev = &rec->next; - } - } - UNLOCK_PROCESS; -} - -#ifdef DEBUG -#include <stdio.h> - -void _XtConverterCacheStats(void) -{ - register Cardinal i; - register CachePtr p; - register Cardinal entries; - - LOCK_PROCESS; - for (i = 0; i < CACHEHASHSIZE; i++) { - p = cacheHashTable[i]; - if (p) { - for (entries = 0; p; p = p->next) { - entries++; - } - (void) fprintf(stdout, "Index: %4d Entries: %d\n", i, entries); - for (p = cacheHashTable[i]; p; p = p->next) { - (void) fprintf(stdout, " Size: %3d Refs: %3d '", - p->from.size, - p->has_ext ? CEXT(p)->ref_count : 0); - (void) fprintf(stdout, "'\n"); - } - (void) fprintf(stdout, "\n"); - } - } - UNLOCK_PROCESS; -} -#endif /*DEBUG*/ - -static Boolean ResourceQuarkToOffset( - WidgetClass widget_class, - XrmName name, - Cardinal *offset) -{ - register WidgetClass wc; - register Cardinal i; - register XrmResourceList res, *resources; - - for (wc = widget_class; wc; wc = wc->core_class.superclass) { - resources = (XrmResourceList*) wc->core_class.resources; - for (i = 0; i < wc->core_class.num_resources; i++, resources++) { - res = *resources; - if (res->xrm_name == name) { - *offset = -res->xrm_offset - 1; - return True; - } - } /* for i in resources */ - } /* for wc in widget classes */ - (*offset) = 0; - return False; -} - - -static void ComputeArgs( - Widget widget, - XtConvertArgList convert_args, - Cardinal num_args, - XrmValuePtr args) -{ - register Cardinal i; - Cardinal offset; - String params[1]; - Cardinal num_params = 1; - Widget ancestor = NULL; - - for (i = 0; i < num_args; i++) { - args[i].size = convert_args[i].size; - switch (convert_args[i].address_mode) { - case XtAddress: - args[i].addr = convert_args[i].address_id; - break; - - case XtBaseOffset: - args[i].addr = - (XPointer)((char *)widget + (long)convert_args[i].address_id); - break; - - case XtWidgetBaseOffset: - if (!ancestor) { - if (XtIsWidget(widget)) - ancestor = widget; - else - ancestor = _XtWindowedAncestor(widget); - } - - args[i].addr = - (XPointer)((char *)ancestor + (long)convert_args[i].address_id); - break; - - case XtImmediate: - args[i].addr = (XPointer) &(convert_args[i].address_id); - break; - - case XtProcedureArg: - (*(XtConvertArgProc)convert_args[i].address_id) - (widget, &convert_args[i].size, &args[i]); - break; - - case XtResourceString: - /* Convert in place for next usage */ - convert_args[i].address_mode = XtResourceQuark; - convert_args[i].address_id = - (XtPointer)(long)XrmStringToQuark((String)convert_args[i].address_id); - /* Fall through */ - - case XtResourceQuark: - if (! ResourceQuarkToOffset(widget->core.widget_class, - (XrmQuark)(long) convert_args[i].address_id, &offset)) { - params[0]= - XrmQuarkToString((XrmQuark)(long) convert_args[i].address_id); - XtAppWarningMsg(XtWidgetToApplicationContext(widget), - "invalidResourceName","computeArgs",XtCXtToolkitError, - "Cannot find resource name %s as argument to conversion", - params,&num_params); - offset = 0; - } - args[i].addr = (XPointer)((char *)widget + offset); - break; - default: - params[0] = XtName(widget); - XtAppWarningMsg(XtWidgetToApplicationContext(widget), - "invalidAddressMode", "computeArgs", XtCXtToolkitError, - "Conversion arguments for widget '%s' contain an unsupported address mode", - params,&num_params); - args[i].addr = NULL; - args[i].size = 0; - } /* switch */ - } /* for */ -} /* ComputeArgs */ - -void XtDirectConvert( - XtConverter converter, - XrmValuePtr args, - Cardinal num_args, - register XrmValuePtr from, - XrmValuePtr to) -{ - register CachePtr p; - register int hash; - register Cardinal i; - - LOCK_PROCESS; - /* Try to find cache entry for conversion */ - hash = ((long) converter >> 2) + from->size + *((char *) from->addr); - if (from->size > 1) hash += ((char *) from->addr)[1]; - - for (p = cacheHashTable[hash & CACHEHASHMASK]; p; p = p->next) { - if ((p->hash == hash) - && (p->converter == (XtTypeConverter)converter) - && (p->from.size == from->size) - && !(p->from_is_value ? - XtMemcmp(&p->from.addr, from->addr, from->size) : - memcmp((char *)p->from.addr, (char *)from->addr, from->size)) - && (p->num_args == num_args)) { - if ((i = num_args)) { - XrmValue *pargs = CARGS(p); - /* Are all args the same data ? */ - while (i) { - i--; /* do not move to while test, broken compilers */ - if (pargs[i].size != args[i].size || - XtMemcmp(pargs[i].addr, args[i].addr, args[i].size)) { - i++; - break; - } - } - } - if (!i) { - /* Perfect match */ - to->size = p->to.size; - if (p->to_is_value) - to->addr = (XPointer)&p->to.addr; - else - to->addr = p->to.addr; - UNLOCK_PROCESS; - return; - } - } - } - - /* Didn't find it, call converter procedure and entry result in cache */ - (*to).size = 0; - (*to).addr = NULL; - (*converter)(args, &num_args, from, to); - /* This memory can never be freed since we don't know the Display - * or app context from which to compute the persistance */ - { - CacheEnter(&globalHeap, (XtTypeConverter)converter, args, num_args, - from, to, (to->addr != NULL), hash, False, False, - (XtDestructor)NULL, NULL); - } - UNLOCK_PROCESS; -} - - -static ConverterPtr GetConverterEntry( - XtAppContext app, - XtTypeConverter converter) -{ - Cardinal entry; - register ConverterPtr cP; - ConverterTable converterTable; - - LOCK_PROCESS; - converterTable = app->converterTable; - cP = NULL; - for (entry = 0; (entry < CONVERTHASHSIZE) && !cP; entry++) { - cP = converterTable[entry]; - while (cP && (cP->converter != converter)) cP = cP->next; - } - UNLOCK_PROCESS; - return cP; -} - - -static Boolean -CallConverter( - Display* dpy, - XtTypeConverter converter, - XrmValuePtr args, - Cardinal num_args, - register XrmValuePtr from, - XrmValuePtr to, - XtCacheRef *cache_ref_return, - register ConverterPtr cP) -{ - CachePtr p; - int hash; - Cardinal i; - Boolean retval; - - if (!cP || ((cP->cache_type == XtCacheNone) && !cP->destructor)) { - XtPointer closure; - if (cache_ref_return) *cache_ref_return = NULL; - retval = (*(XtTypeConverter)converter) - (dpy, args, &num_args, from, to, &closure); - return retval; - } - - LOCK_PROCESS; - /* Try to find cache entry for conversion */ - hash = ((long)(converter) >> 2) + from->size + *((char *) from->addr); - if (from->size > 1) hash += ((char *) from->addr)[1]; - - if (cP->cache_type != XtCacheNone) { - for (p = cacheHashTable[hash & CACHEHASHMASK]; p; p = p->next){ - if ((p->hash == hash) - && (p->converter == converter) - && (p->from.size == from->size) - && !(p->from_is_value ? - XtMemcmp(&p->from.addr, from->addr, from->size) : - memcmp((char *)p->from.addr, (char *)from->addr, from->size)) - && (p->num_args == num_args)) { - if ((i = num_args)) { - XrmValue *pargs = CARGS(p); - /* Are all args the same data ? */ - while (i) { - i--; /* do not move to while test, broken compilers */ - if (pargs[i].size != args[i].size || - XtMemcmp(pargs[i].addr, args[i].addr, args[i].size)){ - i++; - break; - } - } - } - if (!i) { - /* Perfect match */ - if (p->conversion_succeeded) { - if (to->addr) { /* new-style call */ - if (to->size < p->to.size) { - to->size = p->to.size; - UNLOCK_PROCESS; - return False; - } - to->size = p->to.size; - if (p->to_is_value) { - XtMemmove(to->addr, &p->to.addr, - to->size); - } else { - (void) memmove((char *)to->addr, - (char *)p->to.addr, to->size); - } - } else { /* old-style call */ - to->size = p->to.size; - if (p->to_is_value) - to->addr = (XPointer)&p->to.addr; - else - to->addr = p->to.addr; - } - } - if (p->is_refcounted) { - CEXT(p)->ref_count++; - if (cache_ref_return) - *cache_ref_return = (XtCacheRef)p; - else - p->is_refcounted = False; - } - else { - if (cache_ref_return) - *cache_ref_return = NULL; - } - retval = (p->conversion_succeeded); - UNLOCK_PROCESS; - return retval; - } - } - } - } - - /* No cache entry, call converter procedure and enter result in cache */ - { - Heap *heap; - XtPointer closure = NULL; - unsigned int supplied_size = to->size; - Boolean do_ref = cP->do_ref_count && cache_ref_return; - Boolean do_free = False; - Boolean retval = - (*(XtTypeConverter)converter)(dpy, args, &num_args, from, to, &closure); - - if (retval == False && supplied_size < to->size) { - /* programmer error: caller must allocate sufficient storage */ - if (cache_ref_return) - *cache_ref_return = NULL; - UNLOCK_PROCESS; - return False; - } - - if ((cP->cache_type == XtCacheNone) || do_ref) { - heap = NULL; - do_free = True; - } - else if (cP->cache_type == XtCacheByDisplay) - heap = &_XtGetPerDisplay(dpy)->heap; - else if (cP->global) - heap = &globalHeap; - else - heap = &XtDisplayToApplicationContext(dpy)->heap; - - p = CacheEnter(heap, converter, args, num_args, from, to, retval, - hash, do_ref, do_free, cP->destructor, closure); - if (do_ref) - *cache_ref_return = (XtCacheRef)p; - else if (cache_ref_return) - *cache_ref_return = NULL; - UNLOCK_PROCESS; - return retval; - } -} - -Boolean -XtCallConverter( - Display* dpy, - XtTypeConverter converter, - XrmValuePtr args, - Cardinal num_args, - register XrmValuePtr from, - XrmValuePtr to, - XtCacheRef *cache_ref_return) -{ - ConverterPtr cP; - Boolean retval; - XtAppContext app = XtDisplayToApplicationContext(dpy); - - LOCK_APP(app); - if ((cP = GetConverterEntry(app, converter)) == NULL) { - XtAppSetTypeConverter(XtDisplayToApplicationContext(dpy), - "_XtUnk1", "_XtUnk2", - converter, NULL, 0, - XtCacheAll, NULL); - cP = GetConverterEntry(app, converter); - } - retval = CallConverter(dpy, converter, args, num_args, from, to, - cache_ref_return, cP); - UNLOCK_APP(app); - return retval; -} - -Boolean _XtConvert( - Widget widget, - register XrmRepresentation from_type, - XrmValuePtr from, - register XrmRepresentation to_type, - register XrmValuePtr to, - XtCacheRef *cache_ref_return) -{ - XtAppContext app = XtWidgetToApplicationContext(widget); - register ConverterPtr p; - Cardinal num_args; - XrmValue *args; - - /* Look for type converter */ - LOCK_PROCESS; - p = app->converterTable[ProcHash(from_type, to_type) & CONVERTHASHMASK]; - for (; p; p = p->next) { - if (from_type == p->from && to_type == p->to) { - Boolean retval = False; - /* Compute actual arguments from widget and arg descriptor */ - num_args = p->num_args; - if (num_args != 0) { - args = (XrmValue*) - ALLOCATE_LOCAL( num_args * sizeof (XrmValue) ); - if (!args) _XtAllocError("alloca"); - ComputeArgs(widget, ConvertArgs(p), num_args, args); - } else args = NULL; - if (p->new_style) { - retval = - CallConverter(XtDisplayOfObject(widget), - p->converter, args, num_args, - from, to, cache_ref_return, p); - } - else { /* is old-style (non-display) converter */ - XrmValue tempTo; - XtDirectConvert((XtConverter)p->converter, args, num_args, - from, &tempTo); - if (cache_ref_return) - *cache_ref_return = NULL; - if (tempTo.addr) { - if (to->addr) { /* new-style caller */ - if (to->size >= tempTo.size) { - if (to_type == _XtQString) - *(String*)(to->addr) = tempTo.addr; - else { - XtMemmove(to->addr, tempTo.addr, - tempTo.size); - } - retval = True; - } - to->size = tempTo.size; - } else { /* old-style caller */ - *to = tempTo; - retval = True; - } - } - } - if (args) DEALLOCATE_LOCAL( (XtPointer)args ); - UNLOCK_PROCESS; - return retval; - } - } - - { - String params[2]; - Cardinal num_params = 2; - params[0] = XrmRepresentationToString(from_type); - params[1] = XrmRepresentationToString(to_type); - XtAppWarningMsg(app, "typeConversionError", "noConverter", XtCXtToolkitError, - "No type converter registered for '%s' to '%s' conversion.", - params, &num_params); - } - UNLOCK_PROCESS; - return False; -} - -void XtConvert( - Widget widget, - _Xconst char* from_type_str, - XrmValuePtr from, - _Xconst char* to_type_str, - XrmValuePtr to) -{ - XrmQuark from_type, to_type; - WIDGET_TO_APPCON(widget); - - LOCK_APP(app); - from_type = XrmStringToRepresentation(from_type_str); - to_type = XrmStringToRepresentation(to_type_str); - if (from_type != to_type) { - /* It's not safe to ref count these resources, 'cause we - don't know what older clients may have assumed about - the resource lifetimes. - XtCacheRef ref; - */ - to->addr = NULL; - to->size = 0; - _XtConvert(widget, from_type, from, to_type, to, /*&ref*/ NULL); - /* - if (ref) { - XtAddCallback( widget, XtNdestroyCallback, - XtCallbackReleaseCacheRef, (XtPointer)ref ); - } - */ - } - else - (*to) = *from; - UNLOCK_APP(app); -} - -Boolean XtConvertAndStore( - Widget object, - _Xconst char* from_type_str, - XrmValuePtr from, - _Xconst char* to_type_str, - XrmValuePtr to) -{ - XrmQuark from_type, to_type; - WIDGET_TO_APPCON(object); - - LOCK_APP(app); - LOCK_PROCESS; - from_type = XrmStringToRepresentation(from_type_str); - to_type = XrmStringToRepresentation(to_type_str); - if (from_type != to_type) { - static XtPointer local_valueP = NULL; - static Cardinal local_valueS = 128; - XtCacheRef ref; - Boolean local = False; - do { - if (!to->addr) { - if (!local_valueP) - local_valueP = _XtHeapAlloc(&globalHeap, local_valueS); - to->addr = local_valueP; - to->size = local_valueS; - local = True; - } - if (!_XtConvert(object, from_type, from, to_type, to, &ref)) { - if (local && (to->size > local_valueS)) { - to->addr = - local_valueP = _XtHeapAlloc(&globalHeap, to->size); - local_valueS = to->size; - continue; - } else { - if (local) { - to->addr = NULL; - to->size = 0; - } - UNLOCK_PROCESS; - UNLOCK_APP(app); - return False; - } - } - if (ref) { - XtAddCallback( object, XtNdestroyCallback, - XtCallbackReleaseCacheRef, (XtPointer)ref ); - } - UNLOCK_PROCESS; - UNLOCK_APP(app); - return True; - } while (local /* && local_valueS < to->size */); - } - if (to->addr) { - if (to->size < from->size) { - to->size = from->size; - UNLOCK_PROCESS; - UNLOCK_APP(app); - return False; - } - (void) memmove(to->addr, from->addr, from->size ); - to->size = from->size; - } else /* from_type == to_type */ - *to = *from; - UNLOCK_PROCESS; - UNLOCK_APP(app); - return True; -} - -void XtAppReleaseCacheRefs( - XtAppContext app, - XtCacheRef *refs) -{ - register CachePtr *r; - register CachePtr p; - - LOCK_APP(app); - LOCK_PROCESS; - for (r = (CachePtr*)refs; (p = *r); r++) { - if (p->is_refcounted && --(CEXT(p)->ref_count) == 0) { - FreeCacheRec(app, p, NULL); - } - } - UNLOCK_PROCESS; - UNLOCK_APP(app); -} - - -/* ARGSUSED */ -void XtCallbackReleaseCacheRefList( - Widget widget, /* unused */ - XtPointer closure, - XtPointer call_data) /* unused */ -{ - XtAppReleaseCacheRefs( XtWidgetToApplicationContext(widget), - (XtCacheRef*)closure ); - XtFree(closure); -} - - -/* ARGSUSED */ -void XtCallbackReleaseCacheRef( - Widget widget, /* unused */ - XtPointer closure, - XtPointer call_data) /* unused */ -{ - XtCacheRef cache_refs[2]; - cache_refs[0] = (XtCacheRef)closure; - cache_refs[1] = NULL; - XtAppReleaseCacheRefs( XtWidgetToApplicationContext(widget), cache_refs ); -} +/***********************************************************
+Copyright (c) 1993, Oracle and/or its affiliates. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+/*
+
+Copyright 1987, 1988, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "IntrinsicI.h"
+#include "StringDefs.h"
+#include "Intrinsic.h"
+
+/* Conversion procedure hash table */
+
+#define CONVERTHASHSIZE ((unsigned)256)
+#define CONVERTHASHMASK 255
+#define ProcHash(from_type, to_type) (2 * (from_type) + to_type)
+
+typedef struct _ConverterRec *ConverterPtr;
+typedef struct _ConverterRec {
+ ConverterPtr next;
+ XrmRepresentation from, to;
+ XtTypeConverter converter;
+ XtDestructor destructor;
+ unsigned short num_args;
+ unsigned int do_ref_count:1;
+ unsigned int new_style:1;
+ unsigned int global:1;
+ char cache_type;
+} ConverterRec;
+
+#define ConvertArgs(p) ((XtConvertArgList)((p)+1))
+
+/* used for old-style type converter cache only */
+static Heap globalHeap = {NULL, NULL, 0};
+
+void _XtSetDefaultConverterTable(
+ ConverterTable *table)
+{
+ register ConverterTable globalConverterTable;
+
+ LOCK_PROCESS;
+ globalConverterTable = _XtGetProcessContext()->globalConverterTable;
+
+ *table = (ConverterTable)
+ __XtCalloc(CONVERTHASHSIZE, (unsigned)sizeof(ConverterPtr));
+ _XtAddDefaultConverters(*table);
+
+ if (globalConverterTable) {
+ ConverterPtr rec;
+ int i;
+ XtCacheType cache_type;
+ for (i = CONVERTHASHSIZE; --i >= 0; ) {
+ for (rec = *globalConverterTable++; rec; rec = rec->next) {
+ cache_type = rec->cache_type;
+ if (rec->do_ref_count)
+ cache_type |= XtCacheRefCount;
+ _XtTableAddConverter(*table, rec->from, rec->to, rec->converter,
+ ConvertArgs(rec), rec->num_args,
+ rec->new_style, cache_type,
+ rec->destructor, True);
+ }
+ }
+ }
+ UNLOCK_PROCESS;
+}
+
+void _XtFreeConverterTable(
+ ConverterTable table)
+{
+ register Cardinal i;
+ register ConverterPtr p;
+
+ for (i = 0; i < CONVERTHASHSIZE; i++) {
+ for (p = table[i]; p; ) {
+ register ConverterPtr next = p->next;
+ XtFree((char*)p);
+ p = next;
+ }
+ }
+ XtFree((char*)table);
+}
+
+/* Data cache hash table */
+
+typedef struct _CacheRec *CachePtr;
+
+typedef struct _CacheRec {
+ CachePtr next;
+ XtPointer tag;
+ int hash;
+ XtTypeConverter converter;
+ unsigned short num_args;
+ unsigned int conversion_succeeded:1;
+ unsigned int has_ext:1;
+ unsigned int is_refcounted:1;
+ unsigned int must_be_freed:1;
+ unsigned int from_is_value:1;
+ unsigned int to_is_value:1;
+ XrmValue from;
+ XrmValue to;
+} CacheRec;
+
+typedef struct _CacheRecExt {
+ CachePtr *prev;
+ XtDestructor destructor;
+ XtPointer closure;
+ long ref_count;
+} CacheRecExt;
+
+#define CEXT(p) ((CacheRecExt *)((p)+1))
+#define CARGS(p) ((p)->has_ext ? (XrmValue *)(CEXT(p)+1) : (XrmValue *)((p)+1))
+
+#define CACHEHASHSIZE 256
+#define CACHEHASHMASK 255
+typedef CachePtr CacheHashTable[CACHEHASHSIZE];
+
+static CacheHashTable cacheHashTable;
+
+void _XtTableAddConverter(
+ ConverterTable table,
+ XrmRepresentation from_type,
+ XrmRepresentation to_type,
+ XtTypeConverter converter,
+ XtConvertArgList convert_args,
+ Cardinal num_args,
+ _XtBoolean new_style,
+ XtCacheType cache_type,
+ XtDestructor destructor,
+ _XtBoolean global)
+{
+ register ConverterPtr *pp;
+ register ConverterPtr p;
+ XtConvertArgList args;
+
+ pp= &table[ProcHash(from_type, to_type) & CONVERTHASHMASK];
+ while ((p = *pp) && (p->from != from_type || p->to != to_type))
+ pp = &p->next;
+
+ if (p) {
+ *pp = p->next;
+ XtFree((char *)p);
+ }
+
+ p = (ConverterPtr) __XtMalloc(sizeof(ConverterRec) +
+ sizeof(XtConvertArgRec) * num_args);
+ p->next = *pp;
+ *pp = p;
+ p->from = from_type;
+ p->to = to_type;
+ p->converter = converter;
+ p->destructor = destructor;
+ p->num_args = num_args;
+ p->global = global;
+ args = ConvertArgs(p);
+ while (num_args--)
+ *args++ = *convert_args++;
+ p->new_style = new_style;
+ p->do_ref_count = False;
+ if (destructor || (cache_type & 0xff)) {
+ p->cache_type = cache_type & 0xff;
+ if (cache_type & XtCacheRefCount)
+ p->do_ref_count = True;
+ } else {
+ p->cache_type = XtCacheNone;
+ }
+}
+
+void XtSetTypeConverter(
+ register _Xconst char* from_type,
+ register _Xconst char* to_type,
+ XtTypeConverter converter,
+ XtConvertArgList convert_args,
+ Cardinal num_args,
+ XtCacheType cache_type,
+ XtDestructor destructor
+ )
+{
+ ProcessContext process;
+ XtAppContext app;
+ XrmRepresentation from;
+ XrmRepresentation to;
+
+ LOCK_PROCESS;
+ process = _XtGetProcessContext();
+ app = process->appContextList;
+ from = XrmStringToRepresentation(from_type);
+ to = XrmStringToRepresentation(to_type);
+
+ if (!process->globalConverterTable) {
+ process->globalConverterTable = (ConverterTable)
+ __XtCalloc(CONVERTHASHSIZE, (unsigned)sizeof(ConverterPtr));
+ }
+ _XtTableAddConverter(process->globalConverterTable, from, to,
+ converter, convert_args,
+ num_args, True, cache_type, destructor, True);
+ while (app) {
+ _XtTableAddConverter(app->converterTable, from, to,
+ converter, convert_args,
+ num_args, True, cache_type, destructor, True);
+ app = app->next;
+ }
+ UNLOCK_PROCESS;
+}
+
+void XtAppSetTypeConverter(
+ XtAppContext app,
+ register _Xconst char* from_type,
+ register _Xconst char* to_type,
+ XtTypeConverter converter,
+ XtConvertArgList convert_args,
+ Cardinal num_args,
+ XtCacheType cache_type,
+ XtDestructor destructor
+ )
+{
+ LOCK_PROCESS;
+ _XtTableAddConverter(app->converterTable,
+ XrmStringToRepresentation(from_type),
+ XrmStringToRepresentation(to_type),
+ converter, convert_args, num_args,
+ True, cache_type, destructor, False);
+ UNLOCK_PROCESS;
+}
+
+/* old interface */
+void XtAddConverter(
+ register _Xconst char* from_type,
+ register _Xconst char* to_type,
+ XtConverter converter,
+ XtConvertArgList convert_args,
+ Cardinal num_args
+ )
+{
+ ProcessContext process;
+ XtAppContext app;
+ XrmRepresentation from;
+ XrmRepresentation to;
+
+ LOCK_PROCESS;
+ process = _XtGetProcessContext();
+ app = process->appContextList;
+ from = XrmStringToRepresentation(from_type);
+ to = XrmStringToRepresentation(to_type);
+
+ if (!process->globalConverterTable) {
+ process->globalConverterTable = (ConverterTable)
+ __XtCalloc(CONVERTHASHSIZE, (unsigned)sizeof(ConverterPtr));
+ }
+ _XtTableAddConverter(process->globalConverterTable, from, to,
+ (XtTypeConverter)converter, convert_args, num_args,
+ False, XtCacheAll, (XtDestructor)NULL, True);
+ while (app) {
+ _XtTableAddConverter(app->converterTable, from, to,
+ (XtTypeConverter)converter, convert_args,
+ num_args, False, XtCacheAll, (XtDestructor)NULL,
+ True);
+ app = app->next;
+ }
+ UNLOCK_PROCESS;
+}
+
+/* old interface */
+void XtAppAddConverter(
+ XtAppContext app,
+ register _Xconst char* from_type,
+ register _Xconst char* to_type,
+ XtConverter converter,
+ XtConvertArgList convert_args,
+ Cardinal num_args
+ )
+{
+ LOCK_PROCESS;
+ _XtTableAddConverter(app->converterTable,
+ XrmStringToRepresentation(from_type),
+ XrmStringToRepresentation(to_type),
+ (XtTypeConverter)converter, convert_args, num_args,
+ False, XtCacheAll, (XtDestructor)NULL, False);
+ UNLOCK_PROCESS;
+}
+
+static CachePtr
+CacheEnter(
+ Heap* heap,
+ register XtTypeConverter converter,
+ register XrmValuePtr args,
+ Cardinal num_args,
+ XrmValuePtr from,
+ XrmValuePtr to,
+ Boolean succeeded,
+ register int hash,
+ Boolean do_ref,
+ Boolean do_free,
+ XtDestructor destructor,
+ XtPointer closure)
+{
+ register CachePtr *pHashEntry;
+ register CachePtr p;
+ register Cardinal i;
+
+ LOCK_PROCESS;
+ pHashEntry = &cacheHashTable[hash & CACHEHASHMASK];
+
+ if ((succeeded && destructor) || do_ref) {
+ p = (CachePtr) _XtHeapAlloc(heap, (sizeof(CacheRec) +
+ sizeof(CacheRecExt) +
+ num_args * sizeof(XrmValue)));
+ CEXT(p)->prev = pHashEntry;
+ CEXT(p)->destructor = succeeded ? destructor : NULL;
+ CEXT(p)->closure = closure;
+ CEXT(p)->ref_count = 1;
+ p->has_ext = True;
+ }
+ else {
+ p = (CachePtr)_XtHeapAlloc(heap, (sizeof(CacheRec) +
+ num_args * sizeof(XrmValue)));
+ p->has_ext = False;
+ }
+ if (!to->addr)
+ succeeded = False;
+ p->conversion_succeeded = succeeded;
+ p->is_refcounted = do_ref;
+ p->must_be_freed = do_free;
+ p->next = *pHashEntry;
+ if (p->next && p->next->has_ext)
+ CEXT(p->next)->prev = &p->next;
+
+ *pHashEntry = p;
+ p->tag = (XtPointer)heap;
+ p->hash = hash;
+ p->converter = converter;
+ p->from.size = from->size;
+ if (from->size <= sizeof(p->from.addr)) {
+ p->from_is_value = True;
+ XtMemmove(&p->from.addr, from->addr, from->size);
+ } else {
+ p->from_is_value = False;
+ p->from.addr = (XPointer)_XtHeapAlloc(heap, from->size);
+ (void) memmove((char *)p->from.addr, (char *)from->addr, from->size);
+ }
+ p->num_args = num_args;
+ if (num_args) {
+ XrmValue *pargs = CARGS(p);
+ for (i = 0; i < num_args; i++) {
+ pargs[i].size = args[i].size;
+ pargs[i].addr = (XPointer)_XtHeapAlloc(heap, args[i].size);
+ XtMemmove(pargs[i].addr, args[i].addr, args[i].size);
+ }
+ }
+ p->to.size = to->size;
+ if (!succeeded) {
+ p->to_is_value = False;
+ p->to.addr = NULL;
+ } else if (to->size <= sizeof(p->to.addr)) {
+ p->to_is_value = True;
+ XtMemmove(&p->to.addr, to->addr, to->size);
+ } else {
+ p->to_is_value = False;
+ p->to.addr = (XPointer)_XtHeapAlloc(heap, to->size);
+ (void) memmove((char *)p->to.addr, (char *)to->addr, to->size);
+ }
+ UNLOCK_PROCESS;
+ return p;
+}
+
+static void FreeCacheRec(
+ XtAppContext app,
+ CachePtr p,
+ CachePtr *prev)
+{
+ LOCK_PROCESS;
+ if (p->has_ext) {
+ if (CEXT(p)->destructor) {
+ Cardinal num_args = p->num_args;
+ XrmValue *args = NULL;
+ XrmValue toc;
+ if (num_args)
+ args = CARGS(p);
+ toc.size = p->to.size;
+ if (p->to_is_value)
+ toc.addr = (XPointer)&p->to.addr;
+ else
+ toc.addr = p->to.addr;
+ (*CEXT(p)->destructor) (app, &toc, CEXT(p)->closure, args,
+ &num_args);
+ }
+ *(CEXT(p)->prev) = p->next;
+ if (p->next && p->next->has_ext)
+ CEXT(p->next)->prev = CEXT(p)->prev;
+ } else {
+ *prev = p->next;
+ if (p->next && p->next->has_ext)
+ CEXT(p->next)->prev = prev;
+ }
+ if (p->must_be_freed) {
+ register int i;
+ if (!p->from_is_value)
+ XtFree(p->from.addr);
+ if ((i = p->num_args)) {
+ XrmValue *pargs = CARGS(p);
+ while (i--)
+ XtFree(pargs[i].addr);
+ }
+ if (!p->to_is_value)
+ XtFree(p->to.addr);
+ XtFree((char*)p);
+ }
+ /* else on private heap; will free entire heap later */
+ UNLOCK_PROCESS;
+}
+
+
+void _XtCacheFlushTag(
+ XtAppContext app,
+ XtPointer tag)
+{
+ int i;
+ register CachePtr *prev;
+ register CachePtr rec;
+
+ LOCK_PROCESS;
+ for (i = CACHEHASHSIZE; --i >= 0;) {
+ prev = &cacheHashTable[i];
+ while ((rec = *prev)) {
+ if (rec->tag == tag)
+ FreeCacheRec(app, rec, prev);
+ else
+ prev = &rec->next;
+ }
+ }
+ UNLOCK_PROCESS;
+}
+
+#ifdef DEBUG
+#include <stdio.h>
+
+void _XtConverterCacheStats(void)
+{
+ register Cardinal i;
+ register CachePtr p;
+ register Cardinal entries;
+
+ LOCK_PROCESS;
+ for (i = 0; i < CACHEHASHSIZE; i++) {
+ p = cacheHashTable[i];
+ if (p) {
+ for (entries = 0; p; p = p->next) {
+ entries++;
+ }
+ (void) fprintf(stdout, "Index: %4d Entries: %d\n", i, entries);
+ for (p = cacheHashTable[i]; p; p = p->next) {
+ (void) fprintf(stdout, " Size: %3d Refs: %3d '",
+ p->from.size,
+ p->has_ext ? CEXT(p)->ref_count : 0);
+ (void) fprintf(stdout, "'\n");
+ }
+ (void) fprintf(stdout, "\n");
+ }
+ }
+ UNLOCK_PROCESS;
+}
+#endif /*DEBUG*/
+
+static Boolean ResourceQuarkToOffset(
+ WidgetClass widget_class,
+ XrmName name,
+ Cardinal *offset)
+{
+ register WidgetClass wc;
+ register Cardinal i;
+ register XrmResourceList res, *resources;
+
+ for (wc = widget_class; wc; wc = wc->core_class.superclass) {
+ resources = (XrmResourceList*) wc->core_class.resources;
+ for (i = 0; i < wc->core_class.num_resources; i++, resources++) {
+ res = *resources;
+ if (res->xrm_name == name) {
+ *offset = -res->xrm_offset - 1;
+ return True;
+ }
+ } /* for i in resources */
+ } /* for wc in widget classes */
+ (*offset) = 0;
+ return False;
+}
+
+
+static void ComputeArgs(
+ Widget widget,
+ XtConvertArgList convert_args,
+ Cardinal num_args,
+ XrmValuePtr args)
+{
+ register Cardinal i;
+ Cardinal offset;
+ String params[1];
+ Cardinal num_params = 1;
+ Widget ancestor = NULL;
+
+ for (i = 0; i < num_args; i++) {
+ args[i].size = convert_args[i].size;
+ switch (convert_args[i].address_mode) {
+ case XtAddress:
+ args[i].addr = convert_args[i].address_id;
+ break;
+
+ case XtBaseOffset:
+ args[i].addr =
+ (XPointer)((char *)widget + (long)convert_args[i].address_id);
+ break;
+
+ case XtWidgetBaseOffset:
+ if (!ancestor) {
+ if (XtIsWidget(widget))
+ ancestor = widget;
+ else
+ ancestor = _XtWindowedAncestor(widget);
+ }
+
+ args[i].addr =
+ (XPointer)((char *)ancestor + (long)convert_args[i].address_id);
+ break;
+
+ case XtImmediate:
+ args[i].addr = (XPointer) &(convert_args[i].address_id);
+ break;
+
+ case XtProcedureArg:
+ (*(XtConvertArgProc)convert_args[i].address_id)
+ (widget, &convert_args[i].size, &args[i]);
+ break;
+
+ case XtResourceString:
+ /* Convert in place for next usage */
+ convert_args[i].address_mode = XtResourceQuark;
+ convert_args[i].address_id =
+ (XtPointer)(long)XrmStringToQuark((String)convert_args[i].address_id);
+ /* Fall through */
+
+ case XtResourceQuark:
+ if (! ResourceQuarkToOffset(widget->core.widget_class,
+ (XrmQuark)(long) convert_args[i].address_id, &offset)) {
+ params[0]=
+ XrmQuarkToString((XrmQuark)(long) convert_args[i].address_id);
+ XtAppWarningMsg(XtWidgetToApplicationContext(widget),
+ "invalidResourceName","computeArgs",XtCXtToolkitError,
+ "Cannot find resource name %s as argument to conversion",
+ params,&num_params);
+ offset = 0;
+ }
+ args[i].addr = (XPointer)((char *)widget + offset);
+ break;
+ default:
+ params[0] = XtName(widget);
+ XtAppWarningMsg(XtWidgetToApplicationContext(widget),
+ "invalidAddressMode", "computeArgs", XtCXtToolkitError,
+ "Conversion arguments for widget '%s' contain an unsupported address mode",
+ params,&num_params);
+ args[i].addr = NULL;
+ args[i].size = 0;
+ } /* switch */
+ } /* for */
+} /* ComputeArgs */
+
+void XtDirectConvert(
+ XtConverter converter,
+ XrmValuePtr args,
+ Cardinal num_args,
+ register XrmValuePtr from,
+ XrmValuePtr to)
+{
+ register CachePtr p;
+ register int hash;
+ register Cardinal i;
+
+ LOCK_PROCESS;
+ /* Try to find cache entry for conversion */
+ hash = ((long) converter >> 2) + from->size + *((char *) from->addr);
+ if (from->size > 1) hash += ((char *) from->addr)[1];
+
+ for (p = cacheHashTable[hash & CACHEHASHMASK]; p; p = p->next) {
+ if ((p->hash == hash)
+ && (p->converter == (XtTypeConverter)converter)
+ && (p->from.size == from->size)
+ && !(p->from_is_value ?
+ XtMemcmp(&p->from.addr, from->addr, from->size) :
+ memcmp((char *)p->from.addr, (char *)from->addr, from->size))
+ && (p->num_args == num_args)) {
+ if ((i = num_args)) {
+ XrmValue *pargs = CARGS(p);
+ /* Are all args the same data ? */
+ while (i) {
+ i--; /* do not move to while test, broken compilers */
+ if (pargs[i].size != args[i].size ||
+ XtMemcmp(pargs[i].addr, args[i].addr, args[i].size)) {
+ i++;
+ break;
+ }
+ }
+ }
+ if (!i) {
+ /* Perfect match */
+ to->size = p->to.size;
+ if (p->to_is_value)
+ to->addr = (XPointer)&p->to.addr;
+ else
+ to->addr = p->to.addr;
+ UNLOCK_PROCESS;
+ return;
+ }
+ }
+ }
+
+ /* Didn't find it, call converter procedure and entry result in cache */
+ (*to).size = 0;
+ (*to).addr = NULL;
+ (*converter)(args, &num_args, from, to);
+ /* This memory can never be freed since we don't know the Display
+ * or app context from which to compute the persistance */
+ {
+ CacheEnter(&globalHeap, (XtTypeConverter)converter, args, num_args,
+ from, to, (to->addr != NULL), hash, False, False,
+ (XtDestructor)NULL, NULL);
+ }
+ UNLOCK_PROCESS;
+}
+
+
+static ConverterPtr GetConverterEntry(
+ XtAppContext app,
+ XtTypeConverter converter)
+{
+ Cardinal entry;
+ register ConverterPtr cP;
+ ConverterTable converterTable;
+
+ LOCK_PROCESS;
+ converterTable = app->converterTable;
+ cP = NULL;
+ for (entry = 0; (entry < CONVERTHASHSIZE) && !cP; entry++) {
+ cP = converterTable[entry];
+ while (cP && (cP->converter != converter)) cP = cP->next;
+ }
+ UNLOCK_PROCESS;
+ return cP;
+}
+
+
+static Boolean
+CallConverter(
+ Display* dpy,
+ XtTypeConverter converter,
+ XrmValuePtr args,
+ Cardinal num_args,
+ register XrmValuePtr from,
+ XrmValuePtr to,
+ XtCacheRef *cache_ref_return,
+ register ConverterPtr cP)
+{
+ CachePtr p;
+ int hash;
+ Cardinal i;
+ Boolean retval;
+
+ if (!cP || ((cP->cache_type == XtCacheNone) && !cP->destructor)) {
+ XtPointer closure;
+ if (cache_ref_return) *cache_ref_return = NULL;
+ retval = (*(XtTypeConverter)converter)
+ (dpy, args, &num_args, from, to, &closure);
+ return retval;
+ }
+
+ LOCK_PROCESS;
+ /* Try to find cache entry for conversion */
+ hash = ((long)(converter) >> 2) + from->size + *((char *) from->addr);
+ if (from->size > 1) hash += ((char *) from->addr)[1];
+
+ if (cP->cache_type != XtCacheNone) {
+ for (p = cacheHashTable[hash & CACHEHASHMASK]; p; p = p->next){
+ if ((p->hash == hash)
+ && (p->converter == converter)
+ && (p->from.size == from->size)
+ && !(p->from_is_value ?
+ XtMemcmp(&p->from.addr, from->addr, from->size) :
+ memcmp((char *)p->from.addr, (char *)from->addr, from->size))
+ && (p->num_args == num_args)) {
+ if ((i = num_args)) {
+ XrmValue *pargs = CARGS(p);
+ /* Are all args the same data ? */
+ while (i) {
+ i--; /* do not move to while test, broken compilers */
+ if (pargs[i].size != args[i].size ||
+ XtMemcmp(pargs[i].addr, args[i].addr, args[i].size)){
+ i++;
+ break;
+ }
+ }
+ }
+ if (!i) {
+ /* Perfect match */
+ if (p->conversion_succeeded) {
+ if (to->addr) { /* new-style call */
+ if (to->size < p->to.size) {
+ to->size = p->to.size;
+ UNLOCK_PROCESS;
+ return False;
+ }
+ to->size = p->to.size;
+ if (p->to_is_value) {
+ XtMemmove(to->addr, &p->to.addr,
+ to->size);
+ } else {
+ (void) memmove((char *)to->addr,
+ (char *)p->to.addr, to->size);
+ }
+ } else { /* old-style call */
+ to->size = p->to.size;
+ if (p->to_is_value)
+ to->addr = (XPointer)&p->to.addr;
+ else
+ to->addr = p->to.addr;
+ }
+ }
+ if (p->is_refcounted) {
+ CEXT(p)->ref_count++;
+ if (cache_ref_return)
+ *cache_ref_return = (XtCacheRef)p;
+ else
+ p->is_refcounted = False;
+ }
+ else {
+ if (cache_ref_return)
+ *cache_ref_return = NULL;
+ }
+ retval = (p->conversion_succeeded);
+ UNLOCK_PROCESS;
+ return retval;
+ }
+ }
+ }
+ }
+
+ /* No cache entry, call converter procedure and enter result in cache */
+ {
+ Heap *heap;
+ XtPointer closure = NULL;
+ unsigned int supplied_size = to->size;
+ Boolean do_ref = cP->do_ref_count && cache_ref_return;
+ Boolean do_free = False;
+ Boolean retval =
+ (*(XtTypeConverter)converter)(dpy, args, &num_args, from, to, &closure);
+
+ if (retval == False && supplied_size < to->size) {
+ /* programmer error: caller must allocate sufficient storage */
+ if (cache_ref_return)
+ *cache_ref_return = NULL;
+ UNLOCK_PROCESS;
+ return False;
+ }
+
+ if ((cP->cache_type == XtCacheNone) || do_ref) {
+ heap = NULL;
+ do_free = True;
+ }
+ else if (cP->cache_type == XtCacheByDisplay)
+ heap = &_XtGetPerDisplay(dpy)->heap;
+ else if (cP->global)
+ heap = &globalHeap;
+ else
+ heap = &XtDisplayToApplicationContext(dpy)->heap;
+
+ p = CacheEnter(heap, converter, args, num_args, from, to, retval,
+ hash, do_ref, do_free, cP->destructor, closure);
+ if (do_ref)
+ *cache_ref_return = (XtCacheRef)p;
+ else if (cache_ref_return)
+ *cache_ref_return = NULL;
+ UNLOCK_PROCESS;
+ return retval;
+ }
+}
+
+Boolean
+XtCallConverter(
+ Display* dpy,
+ XtTypeConverter converter,
+ XrmValuePtr args,
+ Cardinal num_args,
+ register XrmValuePtr from,
+ XrmValuePtr to,
+ XtCacheRef *cache_ref_return)
+{
+ ConverterPtr cP;
+ Boolean retval;
+ XtAppContext app = XtDisplayToApplicationContext(dpy);
+
+ LOCK_APP(app);
+ if ((cP = GetConverterEntry(app, converter)) == NULL) {
+ XtAppSetTypeConverter(XtDisplayToApplicationContext(dpy),
+ "_XtUnk1", "_XtUnk2",
+ converter, NULL, 0,
+ XtCacheAll, NULL);
+ cP = GetConverterEntry(app, converter);
+ }
+ retval = CallConverter(dpy, converter, args, num_args, from, to,
+ cache_ref_return, cP);
+ UNLOCK_APP(app);
+ return retval;
+}
+
+Boolean _XtConvert(
+ Widget widget,
+ register XrmRepresentation from_type,
+ XrmValuePtr from,
+ register XrmRepresentation to_type,
+ register XrmValuePtr to,
+ XtCacheRef *cache_ref_return)
+{
+ XtAppContext app = XtWidgetToApplicationContext(widget);
+ register ConverterPtr p;
+ Cardinal num_args;
+ XrmValue *args;
+
+ /* Look for type converter */
+ LOCK_PROCESS;
+ p = app->converterTable[ProcHash(from_type, to_type) & CONVERTHASHMASK];
+ for (; p; p = p->next) {
+ if (from_type == p->from && to_type == p->to) {
+ Boolean retval = False;
+ /* Compute actual arguments from widget and arg descriptor */
+ num_args = p->num_args;
+ if (num_args != 0) {
+ args = (XrmValue*)
+ ALLOCATE_LOCAL( num_args * sizeof (XrmValue) );
+ if (!args) _XtAllocError("alloca");
+ ComputeArgs(widget, ConvertArgs(p), num_args, args);
+ } else args = NULL;
+ if (p->new_style) {
+ retval =
+ CallConverter(XtDisplayOfObject(widget),
+ p->converter, args, num_args,
+ from, to, cache_ref_return, p);
+ }
+ else { /* is old-style (non-display) converter */
+ XrmValue tempTo;
+ XtDirectConvert((XtConverter)p->converter, args, num_args,
+ from, &tempTo);
+ if (cache_ref_return)
+ *cache_ref_return = NULL;
+ if (tempTo.addr) {
+ if (to->addr) { /* new-style caller */
+ if (to->size >= tempTo.size) {
+ if (to_type == _XtQString)
+ *(String*)(to->addr) = tempTo.addr;
+ else {
+ XtMemmove(to->addr, tempTo.addr,
+ tempTo.size);
+ }
+ retval = True;
+ }
+ to->size = tempTo.size;
+ } else { /* old-style caller */
+ *to = tempTo;
+ retval = True;
+ }
+ }
+ }
+ if (args) DEALLOCATE_LOCAL( (XtPointer)args );
+ UNLOCK_PROCESS;
+ return retval;
+ }
+ }
+
+ {
+ String params[2];
+ Cardinal num_params = 2;
+ params[0] = XrmRepresentationToString(from_type);
+ params[1] = XrmRepresentationToString(to_type);
+ XtAppWarningMsg(app, "typeConversionError", "noConverter", XtCXtToolkitError,
+ "No type converter registered for '%s' to '%s' conversion.",
+ params, &num_params);
+ }
+ UNLOCK_PROCESS;
+ return False;
+}
+
+void XtConvert(
+ Widget widget,
+ _Xconst char* from_type_str,
+ XrmValuePtr from,
+ _Xconst char* to_type_str,
+ XrmValuePtr to)
+{
+ XrmQuark from_type, to_type;
+ WIDGET_TO_APPCON(widget);
+
+ LOCK_APP(app);
+ from_type = XrmStringToRepresentation(from_type_str);
+ to_type = XrmStringToRepresentation(to_type_str);
+ if (from_type != to_type) {
+ /* It's not safe to ref count these resources, 'cause we
+ don't know what older clients may have assumed about
+ the resource lifetimes.
+ XtCacheRef ref;
+ */
+ to->addr = NULL;
+ to->size = 0;
+ _XtConvert(widget, from_type, from, to_type, to, /*&ref*/ NULL);
+ /*
+ if (ref) {
+ XtAddCallback( widget, XtNdestroyCallback,
+ XtCallbackReleaseCacheRef, (XtPointer)ref );
+ }
+ */
+ }
+ else
+ (*to) = *from;
+ UNLOCK_APP(app);
+}
+
+Boolean XtConvertAndStore(
+ Widget object,
+ _Xconst char* from_type_str,
+ XrmValuePtr from,
+ _Xconst char* to_type_str,
+ XrmValuePtr to)
+{
+ XrmQuark from_type, to_type;
+ WIDGET_TO_APPCON(object);
+
+ LOCK_APP(app);
+ LOCK_PROCESS;
+ from_type = XrmStringToRepresentation(from_type_str);
+ to_type = XrmStringToRepresentation(to_type_str);
+ if (from_type != to_type) {
+ static XtPointer local_valueP = NULL;
+ static Cardinal local_valueS = 128;
+ XtCacheRef ref;
+ Boolean local = False;
+ do {
+ if (!to->addr) {
+ if (!local_valueP)
+ local_valueP = _XtHeapAlloc(&globalHeap, local_valueS);
+ to->addr = local_valueP;
+ to->size = local_valueS;
+ local = True;
+ }
+ if (!_XtConvert(object, from_type, from, to_type, to, &ref)) {
+ if (local && (to->size > local_valueS)) {
+ to->addr =
+ local_valueP = _XtHeapAlloc(&globalHeap, to->size);
+ local_valueS = to->size;
+ continue;
+ } else {
+ if (local) {
+ to->addr = NULL;
+ to->size = 0;
+ }
+ UNLOCK_PROCESS;
+ UNLOCK_APP(app);
+ return False;
+ }
+ }
+ if (ref) {
+ XtAddCallback( object, XtNdestroyCallback,
+ XtCallbackReleaseCacheRef, (XtPointer)ref );
+ }
+ UNLOCK_PROCESS;
+ UNLOCK_APP(app);
+ return True;
+ } while (local /* && local_valueS < to->size */);
+ }
+ if (to->addr) {
+ if (to->size < from->size) {
+ to->size = from->size;
+ UNLOCK_PROCESS;
+ UNLOCK_APP(app);
+ return False;
+ }
+ (void) memmove(to->addr, from->addr, from->size );
+ to->size = from->size;
+ } else /* from_type == to_type */
+ *to = *from;
+ UNLOCK_PROCESS;
+ UNLOCK_APP(app);
+ return True;
+}
+
+void XtAppReleaseCacheRefs(
+ XtAppContext app,
+ XtCacheRef *refs)
+{
+ register CachePtr *r;
+ register CachePtr p;
+
+ LOCK_APP(app);
+ LOCK_PROCESS;
+ for (r = (CachePtr*)refs; (p = *r); r++) {
+ if (p->is_refcounted && --(CEXT(p)->ref_count) == 0) {
+ FreeCacheRec(app, p, NULL);
+ }
+ }
+ UNLOCK_PROCESS;
+ UNLOCK_APP(app);
+}
+
+
+/* ARGSUSED */
+void XtCallbackReleaseCacheRefList(
+ Widget widget, /* unused */
+ XtPointer closure,
+ XtPointer call_data) /* unused */
+{
+ XtAppReleaseCacheRefs( XtWidgetToApplicationContext(widget),
+ (XtCacheRef*)closure );
+ XtFree(closure);
+}
+
+
+/* ARGSUSED */
+void XtCallbackReleaseCacheRef(
+ Widget widget, /* unused */
+ XtPointer closure,
+ XtPointer call_data) /* unused */
+{
+ XtCacheRef cache_refs[2];
+ cache_refs[0] = (XtCacheRef)closure;
+ cache_refs[1] = NULL;
+ XtAppReleaseCacheRefs( XtWidgetToApplicationContext(widget), cache_refs );
+}
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