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sort.c
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1998-10-29
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12KB
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474 lines
/* Heap Sort */
/*****************************************************************************
*
* 7UP
* Modul: SORT.C
* (c) by TheoSoft '91
*
*****************************************************************************/
#include <portab.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <aes.h>
#include <vdi.h>
#if GEMDOS
#include <tos.h>
#include <ext.h>
#else
#include <alloc.h>
#include <dir.h>
#endif
#include "alert.h"
#include "7up.h"
#include "forms.h"
#include "windows.h"
typedef struct
{
int menu,item;
} UNDO;
extern UNDO undo;
typedef struct
{
char *str;
int used,len;
long line; /* beinhaltet die sortierte Reihenfolge, z.B. 3,4,0,2,1 */
int effect;
}SORTSTRUCT;
static int col;
/*
* Heap sorting functions
*/
static _nswap(register char *pa, register char *pb, register long n)
{
register char c;
while(n--) {
c = *pa;
*pa++ = *pb;
*pb++ = c;
}
}
static _nsift(register char *base, register long i, register long n,
register long size, register int (*cmp)())
{
register long j;
register char *p;
while((j = ((i << 1) + 1)) < n) {
p = (base+size*j);
if((j < (n - 1)) && ((*cmp)(p, p+size) < 0)) {
++j;
p += size;
}
if((cmp)((base+size*i), p) < 0) {
_nswap((base+size*i), p, size);
i = j;
}
else
break;
}
}
hsort(register char *base, register long num,
register long size, register int (*cmp)())
/*
* Perform an N*log(N) heap-sort on an array starting at <base>
* containing <num> elements of <size> bytes each. The function
* pointed to by <cmp> is used to compare elements. Pointers to
* two items in the array are passed to the function, which must
* return a number representing their relationship as follows:
* negative item1 < item2
* 0 item1 == item2
* positive item1 > item2
* The hsort() function requires no extra storage, is not recursive,
* and has an almost constant N*log(N) sort time. In the average
* case, it is about half as fast as qsort() on random data. If
* portability is a concern, it should be noted that qsort() is
* almost always available, but hsort() is not.
*/
{
register long i, j;
for(i = ((num >> 1) - 1); (i > 0); --i)
_nsift(base, i, num, size, cmp);
i = num;
while(i > 1) {
_nsift(base, 0, i--, size, cmp);
_nswap(base, (base+size*i), size);
}
}
static int upcmp(SORTSTRUCT *a, SORTSTRUCT *b) /* aufsteigend */
{
return(strcmp(a->str,b->str));
}
static int dncmp(SORTSTRUCT *a, SORTSTRUCT *b) /* absteigend */
{
register int ret;
ret=strcmp(a->str,b->str);
return(-ret);
}
static int cupcmp(SORTSTRUCT *a, SORTSTRUCT *b) /* aufsteigend mit Spaltenangabe */
{
return(strcmp(&a->str[col],&b->str[col]));
}
static int cdncmp(SORTSTRUCT *a, SORTSTRUCT *b) /* absteigend mit Spaltenangabe */
{
register int ret;
ret=strcmp(&a->str[col],&b->str[col]);
return(-ret);
}
char __toupper(char c);
static int __stricmp(char *s, char *t)
{
for(;(__toupper(*s) == __toupper(*t)); s++, t++)
if(*s == '\0')
return(0);
return(__toupper(*s) - __toupper(*t));
}
static int upicmp(SORTSTRUCT *a, SORTSTRUCT *b) /* aufsteigend */
{
return(__stricmp(a->str,b->str));
}
static int dnicmp(SORTSTRUCT *a, SORTSTRUCT *b) /* absteigend */
{
register int ret;
ret=__stricmp(a->str,b->str);
return(-ret);
}
static int cupicmp(SORTSTRUCT *a, SORTSTRUCT *b) /* aufsteigend mit Spaltenangabe */
{
return(__stricmp(&a->str[col],&b->str[col]));
}
static int cdnicmp(SORTSTRUCT *a, SORTSTRUCT *b) /* absteigend mit Spaltenangabe */
{
register int ret;
ret=__stricmp(&a->str[col],&b->str[col]);
return(-ret);
}
long Wline(void *, void *);
void hndl_sort(WINDOW *wp, OBJECT *tree, LINESTRUCT **begcut, LINESTRUCT **endcut)
{
long lines, chars;
LINESTRUCT *line;
register int ignore,grpblks;
register long i,k,x;
int exit_obj,a,b,c,d,e,f,g;
GRECT rect;
SORTSTRUCT *ss; /* Zeile */
SORTSTRUCT *gs; /* Gruppe */
static LINESTRUCT *grpbegcut=NULL, *grpendcut=NULL;
static long grpbegline=0, grpendline=0, grplen=0, grpline=0;
static int group=FALSE;
extern long begline, endline;
if(wp && *begcut && *endcut)
{
a=tree[SORTUP].ob_state;
b=tree[SORTDN].ob_state;
c=tree[SORTIGNO].ob_state;
sprintf(tree[SORTFROM].ob_spec.tedinfo->te_ptext,"%-4ld",Wline(wp,*begcut)+1);
sprintf(tree[SORTTO ].ob_spec.tedinfo->te_ptext,"%-4ld",Wline(wp,*endcut)+1);
sprintf(tree[SORTCOL ].ob_spec.tedinfo->te_ptext,"%-3d",wp->w_state&COLUMN?(*begcut)->begcol+1:1);
if(grpbegcut && grpendcut) /* erst jetzt Kriterium freigeben */
tree[SORTKRIT].ob_state &=~DISABLED;
form_exopen(tree,0);
do
{
exit_obj=form_exdo(tree,0);
switch(exit_obj)
{
case SORTHELP:
form_alert(1,Asort[1]);
objc_change(tree,exit_obj,0,tree->ob_x,tree->ob_y,tree->ob_width,tree->ob_height,tree[exit_obj].ob_state&~SELECTED,TRUE);
break;
case SORTLINE:
if(!group) /* rücksetzen, wenn noch möglich */
{
tree[SORTKRIT].ob_state &= ~SELECTED;
tree[SORTKRIT].ob_state |= DISABLED;
objc_update(tree,SORTKRIT,0);
tree[SORTEXTRA].ob_state &= ~SELECTED;
tree[SORTEXTRA].ob_state |= DISABLED;
objc_update(tree,SORTEXTRA,0);
}
break;
case SORTGROUP:
/*
tree[SORTKRIT].ob_state &=~DISABLED;
objc_update(tree,SORTKRIT,0);
*/
tree[SORTEXTRA].ob_state &=~DISABLED;
tree[SORTEXTRA].ob_state |= SELECTED;
objc_update(tree,SORTEXTRA,0);
break;
}
}
while(!(exit_obj==SORTABBR || exit_obj==SORTOK));
form_exclose(tree,exit_obj,0);
if(exit_obj==SORTABBR)
{
tree[SORTUP].ob_state=a;
tree[SORTDN].ob_state=b;
tree[SORTIGNO].ob_state=c;
tree[SORTLINE].ob_state|=SELECTED;
tree[SORTGROUP].ob_state&=~SELECTED;
tree[SORTKRIT].ob_state &=~SELECTED;
tree[SORTKRIT].ob_state |=DISABLED;
tree[SORTEXTRA].ob_state &=~SELECTED;
tree[SORTEXTRA].ob_state |=DISABLED;
grpbegcut=NULL;
grpendcut=NULL;
grpbegline=0L;
grpendline=0L;
grplen=0;
grpline=0;
group=FALSE;
return;
}
if(!group && (tree[SORTGROUP].ob_state & SELECTED) && !(tree[SORTKRIT].ob_state & SELECTED))
{
if(tree[SORTEXTRA].ob_state&SELECTED)
form_alert(1,Asort[2]);
grpbegcut=*begcut;
grpendcut=*endcut;
grpbegline=begline;
grpendline=endline;
return;
}
if(!group && (tree[SORTGROUP].ob_state & SELECTED) && (tree[SORTKRIT].ob_state & SELECTED))
{
if(tree[SORTEXTRA].ob_state&SELECTED)
form_alert(1,Asort[3]);
Wblksize(wp,*begcut,*endcut,&grplen,&chars);
group=TRUE;
return;
}
if(group && (tree[SORTKRIT].ob_state & SELECTED))
{
grpline=begline%grplen; /* Zeilenoffset zum Gruppenbeginn */
}
ignore=(tree[SORTIGNO].ob_state&SELECTED);
col=(*begcut)->begcol;
if(group)
{
Wblksize(wp,grpbegcut,grpendcut,&lines,&chars);
if((lines%grplen) == 0) /* ganzzahliges Vielfaches? */
{
grpblks=lines/grplen; /* Anzahl der Blöcke */
#if GEMDOS
if((gs=Malloc(lines*sizeof(SORTSTRUCT)))!=NULL)
#else
if((gs=malloc(lines*sizeof(SORTSTRUCT)))!=NULL)
#endif
{
#if GEMDOS
if((ss=Malloc(grpblks*sizeof(SORTSTRUCT)))!=NULL)
#else
if((ss=malloc(grpblks*sizeof(SORTSTRUCT)))!=NULL)
#endif
{
for(k=0,i=0,line=grpbegcut; i<lines && line!=grpendcut->next; i++,line=line->next)
{
if(tree[SORTGROUP].ob_state & SELECTED) /* ganze Gruppe */
{
gs[i].str = line->string; /* Gruppe sichern */
gs[i].used = line->used;
gs[i].len = line->len;
gs[i].effect = line->effect; /* Texteffekt */
}
if(((i-grpline)%grplen)==0) /* jede Zeile aus der Gruppe muß ganzzahlig teilbar sein */
{
ss[k].str = line->string;
ss[k].used = line->used;
ss[k].len = line->len;
ss[k].effect = line->effect;
ss[k].line = k;
k++;
}
}
/* immer Spaltenblocksortierung */
if(tree[SORTDN].ob_state & SELECTED) /* absteigend */
hsort(ss,grpblks,sizeof(SORTSTRUCT),ignore?cdncmp:cdnicmp);
else /* aufsteigend */
hsort(ss,grpblks,sizeof(SORTSTRUCT),ignore?cupcmp:cupicmp);
if(tree[SORTGROUP].ob_state & SELECTED) /* ganze Gruppe */
{
for(k=0,i=0,line=grpbegcut; i<lines && k<grpblks && line!=grpendcut->next; k++,i++)
{
for(x=0; x<grplen && line; x++,line=line->next)
{
line->string=gs[ss[k].line*grplen+x].str;
line->used =gs[ss[k].line*grplen+x].used;
line->len =gs[ss[k].line*grplen+x].len;
line->effect=gs[ss[k].line*grplen+x].effect;
}
}
}
else /* nur Gruppenkriterium */
{
for(k=0,i=0,line=grpbegcut; i<lines && line!=grpendcut->next; i++,line=line->next)
{
if(((i-grpline)%grplen)==0) /* jede Zeile aus der Gruppe muß ganzzahlig teilbar sein */
{
line->string=ss[k].str;
line->used =ss[k].used;
line->len =ss[k].len;
line->effect=ss[k].effect;
k++;
}
}
}
#if GEMDOS
Mfree(ss);
#else
free(ss);
#endif
rect.g_x=wp->xwork;
rect.g_y=wp->ywork+grpbegline*wp->hscroll-wp->hfirst;
rect.g_w=wp->wwork;
rect.g_h=(grpendline-grpbegline+1)*wp->hscroll;
graf_mouse(M_OFF,0L);
Wcursor(wp);
Wredraw(wp,&rect);
Wcursor(wp);
graf_mouse(M_ON,0L);
hide_blk(wp,*begcut, *endcut);
undo.item=FALSE;
wp->w_state|=CHANGED;
Wcuron(wp);
graf_mouse(ARROW,NULL);
}
else
form_alert(1,Asort[0]);
#if GEMDOS
Mfree(gs);
#else
free(gs);
#endif
}
else
form_alert(1,Asort[0]);
}
else
form_alert(1,Asort[4]);
tree[SORTLINE].ob_state|=SELECTED;
tree[SORTGROUP].ob_state&=~SELECTED;
tree[SORTKRIT].ob_state &=~SELECTED;
tree[SORTKRIT].ob_state |=DISABLED;
tree[SORTEXTRA].ob_state &=~SELECTED;
tree[SORTEXTRA].ob_state |=DISABLED;
grpbegcut=NULL;
grpendcut=NULL;
grpbegline=0L;
grpendline=0L;
grplen=0;
grpline=0;
group=FALSE;
}
else
{
Wblksize(wp,*begcut,*endcut,&lines,&chars);
#if GEMDOS
if((ss=Malloc(lines*sizeof(SORTSTRUCT)))!=NULL)
#else
if((ss=malloc(lines*sizeof(SORTSTRUCT)))!=NULL)
#endif
{
graf_mouse(BUSY_BEE,NULL);
for(i=0,line=(*begcut); i<lines && line!=(*endcut)->next; i++,line=line->next)
{
ss[i].str =line->string;
ss[i].used=line->used;
ss[i].len =line->len;
ss[i].effect =line->effect;
}
if(tree[SORTDN].ob_state & SELECTED) /* absteigend */
{
if(wp->w_state&COLUMN)
hsort(ss,lines,sizeof(SORTSTRUCT),ignore?cdncmp:cdnicmp);
else
hsort(ss,lines,sizeof(SORTSTRUCT),ignore?dncmp:dnicmp);
}
else /* aufsteigend */
{
if(wp->w_state&COLUMN)
hsort(ss,lines,sizeof(SORTSTRUCT),ignore?cupcmp:cupicmp);
else
hsort(ss,lines,sizeof(SORTSTRUCT),ignore?upcmp:upicmp);
}
for(i=0,line=(*begcut); i<lines && line!=(*endcut)->next; i++,line=line->next)
{
line->string=ss[i].str;
line->used =ss[i].used;
line->len =ss[i].len;
line->effect=ss[i].effect;
}
#if GEMDOS
Mfree(ss);
#else
free(ss);
#endif
rect.g_x=wp->xwork;
rect.g_y=wp->ywork+begline*wp->hscroll-wp->hfirst;
rect.g_w=wp->wwork;
rect.g_h=(endline-begline+1)*wp->hscroll;
graf_mouse(M_OFF,0L);
Wcursor(wp);
Wredraw(wp,&rect);
Wcursor(wp);
graf_mouse(M_ON,0L);
hide_blk(wp,*begcut, *endcut);
undo.item=FALSE;
wp->w_state|=CHANGED;
Wcuron(wp);
graf_mouse(ARROW,NULL);
}
else
form_alert(1,Asort[0]);
tree[SORTLINE].ob_state|=SELECTED;
tree[SORTGROUP].ob_state&=~SELECTED;
tree[SORTKRIT].ob_state &=~SELECTED;
tree[SORTKRIT].ob_state |=DISABLED;
tree[SORTEXTRA].ob_state &=~SELECTED;
tree[SORTEXTRA].ob_state |=DISABLED;
grpbegcut=NULL;
grpendcut=NULL;
grpbegline=0L;
grpendline=0L;
grplen=0;
grpline=0;
group=FALSE;
}
}
}ə