?? framemgr.c
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type = it->template->type; switch (type) { case BARRAY: { ExtraData d; ExtraDataRec dr; for (i = 0; i < it->max_count; i++) { if ((d = ChainMgrGetExtraData (&it->cm, i)) == NULL) { dr.num = NO_VALUE; d = ChainMgrSetData (&it->cm, i, dr); } /*endif*/ if (d->num == NO_VALUE) { d->num = num; return FmSuccess; } /*endif*/ } /*endfor*/ if (it->allow_expansion) { ExtraDataRec dr; dr.num = num; ChainMgrSetData (&it->cm, it->max_count, dr); it->max_count++; return FmSuccess; } /*endif*/ } return FmNoMoreData; case ITER: { ExtraData d; ExtraDataRec dr; for (i = 0; i < it->max_count; i++) { if ((d = ChainMgrGetExtraData (&it->cm, i)) == NULL) { dr.iter = IterInit (it->template + 1, NO_VALUE); d = ChainMgrSetData (&it->cm, i, dr); } /*endif*/ if (IterSetSize (d->iter, num) == FmSuccess) return FmSuccess; /*endif*/ } /*endfor*/ if (it->allow_expansion) { ExtraDataRec dr; dr.iter = IterInit (it->template + 1, NO_VALUE); ChainMgrSetData (&it->cm, it->max_count, dr); it->max_count++; if (IterSetSize(dr.iter, num) == FmSuccess) return FmSuccess; /*endif*/ } /*endif*/ } return FmNoMoreData; case POINTER: { ExtraData d; ExtraDataRec dr; for (i = 0; i < it->max_count; i++) { if ((d = ChainMgrGetExtraData (&it->cm, i)) == NULL) { dr.fi = FrameInstInit (it->template[1].data); d = ChainMgrSetData (&it->cm, i, dr); } /*endif*/ if (FrameInstSetSize (d->fi, num) == FmSuccess) return FmSuccess; /*endif*/ } /*endfor*/ if (it->allow_expansion) { ExtraDataRec dr; dr.fi = FrameInstInit (it->template[1].data); ChainMgrSetData (&it->cm, it->max_count, dr); it->max_count++; if (FrameInstSetSize (dr.fi, num) == FmSuccess) return FmSuccess; /*endif*/ } /*endif*/ } return FmNoMoreData; } /*endswitch*/ return FmNoMoreData;}static int IterGetSize (Iter it){ register int i; ExtraData d; ExtraDataRec dr; if (it->cur_no >= it->max_count) return NO_VALID_FIELD; /*endif*/ switch (it->template->type) { case BARRAY: if ((d = ChainMgrGetExtraData (&it->cm, it->cur_no)) == NULL) return NO_VALUE; /*endif*/ return d->num; case ITER: for (i = it->cur_no; i < it->max_count; i++) { int ret_size; if ((d = ChainMgrGetExtraData (&it->cm, i)) == NULL) { dr.iter = IterInit (it->template + 1, NO_VALUE); d = ChainMgrSetData (&it->cm, i, dr); } /*endif*/ ret_size = IterGetSize (d->iter); if (ret_size != NO_VALID_FIELD) return ret_size; /*endif*/ } /*endfor*/ return NO_VALID_FIELD; case POINTER: for (i = it->cur_no; i < it->max_count; i++) { int ret_size; if ((d = ChainMgrGetExtraData (&it->cm, i)) == NULL) { dr.fi = FrameInstInit (it->template[1].data); d = ChainMgrSetData (&it->cm, i, dr); } /*endif*/ ret_size = FrameInstGetSize (d->fi); if (ret_size != NO_VALID_FIELD) return ret_size; /*endif*/ } /*endfor*/ return NO_VALID_FIELD; } /*endswitch*/ return NO_VALID_FIELD;}static FmStatus IterSetIterCount (Iter it, int num){ register int i; if (it->allow_expansion) { it->max_count = num; it->allow_expansion = False; return FmSuccess; } /*endif*/ if (it->max_count == 0) return FmNoMoreData; /*endif*/ switch (it->template->type) { case ITER: for (i = 0; i < it->max_count; i++) { ExtraData d; ExtraDataRec dr; if ((d = ChainMgrGetExtraData(&it->cm, i)) == NULL) { dr.iter = IterInit(it->template + 1, num); (void)ChainMgrSetData(&it->cm, i, dr); return FmSuccess; } /*endif*/ if (IterSetIterCount(d->iter, num) == FmSuccess) return FmSuccess; /*endif*/ } /*endfor*/ if (it->allow_expansion) { ExtraDataRec dr; dr.iter = IterInit (it->template + 1, num); ChainMgrSetData (&it->cm, it->max_count, dr); it->max_count++; return FmSuccess; } /*endif*/ break; case POINTER: for (i = 0; i < it->max_count; i++) { ExtraData d; ExtraDataRec dr; if ((d = ChainMgrGetExtraData (&it->cm, i)) == NULL) { dr.fi = FrameInstInit (it->template[1].data); d = ChainMgrSetData (&it->cm, i, dr); } /*endif*/ if (FrameInstSetIterCount (d->fi, num) == FmSuccess) return FmSuccess; /*endif*/ } /*endfor*/ if (it->allow_expansion) { ExtraDataRec dr; dr.fi = FrameInstInit (it->template[1].data); ChainMgrSetData (&it->cm, it->max_count, dr); it->max_count++; if (FrameInstSetIterCount (dr.fi, num) == FmSuccess) return FmSuccess; /*endif*/ } /*endif*/ break; } /*endswitch*/ return FmNoMoreData;}static int IterGetTotalSize (Iter it){ register int size, i; XimFrameType type; if (it->allow_expansion) return NO_VALUE; /*endif*/ if (it->max_count == 0) return 0; /*endif*/ size = 0; type = it->template->type; switch (type) { case BIT8: size = it->max_count; break; case BIT16: size = it->max_count*2; break; case BIT32: size = it->max_count*4; break; case BIT64: size = it->max_count*8; break; case BARRAY: for (i = 0; i < it->max_count; i++) { register int num; ExtraData d; if ((d = ChainMgrGetExtraData (&it->cm, i)) == NULL) return NO_VALUE; /*endif*/ if ((num = d->num) == NO_VALUE) return NO_VALUE; /*endif*/ size += num; } /*endfor*/ break; case ITER: for (i = 0; i < it->max_count; i++) { register int num; ExtraData d; if ((d = ChainMgrGetExtraData (&it->cm, i)) == NULL) return NO_VALUE; /*endif*/ if ((num = IterGetTotalSize (d->iter)) == NO_VALUE) return NO_VALUE; /*endif*/ size += num; } /*endfor*/ break; case POINTER: for (i = 0; i < it->max_count; i++) { register int num; ExtraData d; ExtraDataRec dr; if ((d = ChainMgrGetExtraData (&it->cm, i)) == NULL) { dr.fi = FrameInstInit (it->template[1].data); d = ChainMgrSetData (&it->cm, i, dr); } /*endif*/ if ((num = FrameInstGetTotalSize (d->fi)) == NO_VALUE) return NO_VALUE; /*endif*/ size += num; } /*endfor*/ break; } /*endswitch*/ return size;}static void IterReset (Iter it){ ChainIterRec ci; int count; ExtraDataRec d; switch (it->template->type) { case ITER: ChainIterInit (&ci, &it->cm); while (ChainIterGetNext (&ci, &count, &d)) IterReset (d.iter); /*endwhile*/ ChainIterFree (&ci); break; case POINTER: ChainIterInit (&ci, &it->cm); while (ChainIterGetNext (&ci, &count, &d)) FrameInstReset (d.fi); /*endwhile*/ ChainIterFree (&ci); break; } /*endswitch*/ it->cur_no = 0;}static void IterSetStartWatch (Iter it, IterStartWatchProc proc, void *client_data){ it->start_watch_proc = proc; it->client_data = client_data;}static ExtraData ChainMgrSetData (ChainMgr cm, int frame_no, ExtraDataRec data){ Chain cur = (Chain) Xmalloc (sizeof (ChainRec)); cur->frame_no = frame_no; cur->d = data; cur->next = NULL; if (cm->top == NULL) { cm->top = cm->tail = cur; } else { cm->tail->next = cur; cm->tail = cur; } /*endif*/ return &cur->d;}static ExtraData ChainMgrGetExtraData (ChainMgr cm, int frame_no){ Chain cur; cur = cm->top; while (cur) { if (cur->frame_no == frame_no) return &cur->d; /*endif*/ cur = cur->next; } /*endwhile*/ return NULL;}static Bool ChainIterGetNext (ChainIter ci, int *frame_no, ExtraData d){ if (ci->cur == NULL) return False; /*endif*/ *frame_no = ci->cur->frame_no; *d = ci->cur->d; ci->cur = ci->cur->next; return True;}static int _FrameInstIncrement (XimFrame frame, int count){ XimFrameType type; type = frame[count].type; type &= ~COUNTER_MASK; switch (type) { case BIT8: case BIT16: case BIT32: case BIT64: case BARRAY: case PADDING: return count + 1; case POINTER: return count + 2; case ITER: return _FrameInstIncrement (frame, count + 1); } /*endswitch*/ return - 1; /* Error */}static int _FrameInstDecrement (XimFrame frame, int count){ register int i; XimFrameType type; if (count == 0) return - 1; /* cannot decrement */ /*endif*/ if (count == 1) return 0; /* BOGUS - It should check the contents of data */ /*endif*/ type = frame[count - 2].type; type &= ~COUNTER_MASK; switch (type) { case BIT8: case BIT16: case BIT32: case BIT64: case BARRAY: case PADDING: case PTR_ITEM: return count - 1; case POINTER: case ITER: i = count - 3; while (i >= 0) { if (frame[i].type != ITER) return i + 1; /*endif*/ i--; } /*endwhile*/ return 0; } /*enswitch*/ return - 1; /* Error */}static int _FrameInstGetItemSize (FrameInst fi, int cur_no){ XimFrameType type; type = fi->template[cur_no].type; type &= ~COUNTER_MASK; switch (type) { case BIT8: return 1; case BIT16: return 2; case BIT32: return 4; case BIT64: return 8; case BARRAY: { ExtraData d; if ((d = ChainMgrGetExtraData (&fi->cm, cur_no)) == NULL) return NO_VALUE; /*endif*/ if (d->num == NO_VALUE) return NO_VALUE; /*endif*/ return d->num; } case PADDING: { register int unit; register int number; register int size; register int i; unit = _UNIT ((int) fi->template[cur_no].data); number = _NUMBER ((int) fi->template[cur_no].data); i = cur_no; size = 0; while (number > 0) { i = _FrameInstDecrement (fi->template, i); size += _FrameInstGetItemSize (fi, i); number--; } /*endwhile*/ size = (unit - (size%unit))%unit; return size; } case ITER: { ExtraData d; int sub_size; if ((d = ChainMgrGetExtraData (&fi->cm, cur_no)) == NULL) return NO_VALUE; /*endif*/ sub_size = IterGetTotalSize (d->iter); if (sub_size == NO_VALUE) return NO_VALUE; /*endif*/ return sub_size; } case POINTER: { ExtraData d; int sub_size; if ((d = ChainMgrGetExtraData (&fi->cm, cur_no)) == NULL) return NO_VALUE; /*endif*/ sub_size = FrameInstGetTotalSize (d->fi); if (sub_size == NO_VALUE) return NO_VALUE; /*endif*/ return sub_size; } } /*endswitch*/ return NO_VALUE;}?? 快捷鍵說明
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