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we_fl_fkt.c
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/* we_fl_fkt.c */
/* Copyright (C) 1993 Fred Kruse */
/* This is free software; you can redistribute it and/or */
/* modify it under the terms of the */
/* GNU General Public License, see the file COPYING. */
#include "messages.h"
#include "edit.h"
#include "makro.h"
#ifdef UNIX
#include <sys/types.h>
#include <sys/stat.h>
#endif
#ifdef HAS_LIBZ
#include <zlib.h>
#endif
#ifdef DEFPGC
#define putc(c, fp) fputc(c, fp)
#endif
int e_read_help();
int e_read_info();
char *info_file = NULL;
char *e_tmp_dir = NULL;
/* create complete file name */
char *e_mkfilename(char *dr, char *fn)
{
char *fl;
if (!fn)
return(NULL);
if(!dr)
{
fl = MALLOC(strlen(fn) + 1);
strcpy(fl, fn);
return(fl);
}
fl = MALLOC(strlen(dr) + strlen(fn) + 2);
strcpy(fl, dr);
if (dr[0] != '\0' && dr[strlen(dr)-1] != DIRC)
strcat(fl, DIRS);
strcat(fl, fn);
return(fl);
}
/* read file routine */
POINT e_readin(int i, int j, FILE *fp, BUFFER *b, char *type)
{
POINT pkt;
int ii, k, n = 1, hb = 0;
signed char cc, c = 0;
WpeMouseChangeShape(WpeWorkingShape);
if (i == 0) e_new_line(j, b);
while (n == 1)
{
for (; i < b->mx.x; i++)
{
if (hb != 2)
n = fread(&c, sizeof(char), 1, fp);
else
{
c = cc;
hb = 0;
}
if (n == 1 && c == WPE_CR)
{
if (DTMD_NORMAL == *type)
{
*type = DTMD_MSDOS;
}
i--;
continue;
}
if ((DTMD_HELP == *type) && (c == CtrlH))
{
if (!hb)
{
*(b->bf[j].s+i-1) = HBB;
hb = 1;
}
else i--;
n = fread(&c, sizeof(char), 1, fp);
}
else if ((DTMD_HELP == *type) && (hb == 1))
{
n = fread(&cc, sizeof(char), 1, fp);
if (cc != HBS)
{
*(b->bf[j].s+i) = HED;
i++;
hb = 2;
}
else n = fread(&c, sizeof(char), 1, fp);
}
if (n != 1)
{
*(b->bf[j].s+i) = '\0';
break;
}
*(b->bf[j].s+i) = c;
if (c == WPE_WR) break;
}
if (n != 1)
{
if (i == 0 && j > 0)
{
FREE(b->bf[j].s);
for (k = j; k < b->mxlines; k++) b->bf[k] = b->bf[k+1];
(b->mxlines)--;
}
else
{
*(b->bf[j].s+i) = WPE_WR;
*(b->bf[j].s+i+1) = '\0';
j++;
}
}
else if (i >= b->mx.x)
{
for (ii = i-1; *(b->bf[j].s+ii) != ' ' && *(b->bf[j].s+ii) != '-' && ii > 0; ii--);
if (ii <= 1) ii = i - 1;
e_new_line(j+1, b);
for (k = ii+1; k <= i; k++)
{
if (*(b->bf[j].s+k) != '\0') *(b->bf[j+1].s+k-ii-1) = *(b->bf[j].s+k);
else *(b->bf[j+1].s+k-ii-1) = ' ';
}
i = i - ii - 1;
*(b->bf[j].s+ii+1) = '\0';
j++;
if (i < 0) i = 0;
}
else if (c == WPE_WR)
{
*(b->bf[j].s+i) = WPE_WR;
*(b->bf[j].s+i+1) = '\0';
e_new_line(++j, b);
i = 0;
}
else
{
*(b->bf[j].s+i) = ' ';
i++;
*(b->bf[j].s+i) = '\0';
}
b->bf[j-1].len = e_str_len(b->bf[j-1].s);
b->bf[j-1].nrc = e_str_nrc(b->bf[j-1].s);
}
pkt.x = i; pkt.y = j;
WpeMouseRestoreShape();
return(pkt);
}
/* Open new edit window */
int e_new(FENSTER *f)
{
e_edit(f->ed, "");
return(0);
}
int e_m_save(FENSTER *f)
{
int ret = e_save(f);
if (ret == WPE_ESC)
e_message(0, e_msg[ERR_MSG_SAVE], f);
return(ret);
}
int e_save(FENSTER *f)
{
BUFFER *b;
int ret;
if (!DTMD_ISTEXT(f->dtmd))
return(0);
for (ret = f->ed->mxedt; ret > 0 && f->ed->f[ret] != f; ret--)
;
if (!ret)
return(0);
WpeMouseChangeShape(WpeWorkingShape);
b = f->ed->f[ret]->b;
ret = e_write(0, 0, b->mx.x, b->mxlines-1, f, WPE_BACKUP);
if (ret != WPE_ESC)
f->save = 0;
WpeMouseRestoreShape();
return(ret);
}
/* save all windows */
int e_saveall(FENSTER *f)
{
int i, ret = 0;
ECNT *cn = f->ed;
for (i = cn->mxedt; i > 0; i--)
{
if (cn->f[i]->save != 0 && cn->f[i]->ins != 8)
if (e_save(cn->f[i]) == WPE_ESC)
ret = WPE_ESC;
}
if (ret == WPE_ESC)
e_message(0, e_msg[ERR_MSG_SAVEALL], f);
return(ret);
}
/* terminate edit session */
int e_quit(FENSTER *f)
{
int i;
char tmp[128];
#if MOUSE
int g[4];
#endif
ECNT *cn = f->ed;
#ifdef DEBUGGER
extern int rfildes[], e_d_swtch;
e_d_quit_basic(f);
#endif
for (i = cn->mxedt; i > 0; i--)
{
if (e_close_window(cn->f[cn->mxedt]) == WPE_ESC)
return(WPE_ESC);
}
if (cn->autosv & 1)
e_save_opt(cn->f[0]);
#ifdef UNIX
if (WpeQuitWastebasket(cn->f[0]))
return(0);
sprintf(tmp, "rm -rf %s&", e_tmp_dir);
system(tmp);
#endif
#if MOUSE
g[0] = 2;
fk_mouse(g);
#endif
e_cls(cn->fb->ws, ' ');
fk_locate(0, 0);
fk_cursor(1);
e_refresh();
WpeExit(0);
return(0);
}
/* write file to disk */
int e_write(int xa, int ya, int xe, int ye, FENSTER *f, int backup)
{
BUFFER *b;
int i = xa, j;
char *tmp, *ptmp;
FILE *fp;
for (j = f->ed->mxedt; j > 0 && f->ed->f[j] != f; j--)
;
b = f->ed->f[j]->b;
if (f->ins == 8)
return(WPE_ESC);
ptmp = e_mkfilename(f->dirct, f->datnam);
if ((backup == WPE_BACKUP) && (access(ptmp, 0) == 0))
{
tmp = e_bakfilename(ptmp);
if (access(tmp, 0) == 0)
remove(tmp);
WpeRenameCopy(ptmp, tmp, f, 1);
WpeFree(tmp);
}
if ((fp = fopen(ptmp, "wb")) == NULL)
{
e_error(e_msg[ERR_FOPEN], 0, f->fb);
FREE(ptmp);
return(WPE_ESC);
}
if (f->filemode >= 0)
chmod(ptmp, f->filemode);
for (j = ya; j < ye && j < b->mxlines; j++)
{
if (b->bf[j].s != NULL)
for (; i <= b->bf[j].len && i < b->mx.x && *(b->bf[j].s+i)!= '\0' ; i++)
{
if (*(b->bf[j].s+i) == WPE_WR)
{
if (DTMD_MSDOS == f->dtmd)
{
putc(WPE_CR, fp);
}
putc(WPE_WR, fp);
break;
}
else
putc(*(b->bf[j].s+i), fp);
}
i = 0;
}
if (b->bf[j].s != NULL)
for (i = 0; i < xe && *(b->bf[j].s+i)!= '\0' && i <= b->bf[j].len && i < b->mx.x ; i++)
{
if (*(b->bf[j].s+i) == WPE_WR)
{
if (DTMD_MSDOS == f->dtmd)
{
putc(WPE_CR, fp);
}
putc(WPE_WR, fp);
break;
}
else
putc(*(b->bf[j].s+i), fp);
}
FREE(ptmp);
fclose(fp);
return(0);
}
/* append new qualifier (suffix) to file name */
char *e_new_qual(char *s, char *ns, char *sb)
{
int i, j;
for (i = strlen(s); i >= 0 && s[i] != '.' && s[i] != DIRC; i--)
;
if (i < 0 || s[i] == DIRC)
strcpy(sb, s);
#if !defined(DJGPP)
else if (i == 0 || s[i-1] == DIRC)
strcpy(sb, s);
#endif
else
{
for (j = 0; j < i; j++)
sb[j] = s[j];
sb[j] = '\0';
}
strcat(sb, ".");
strcat(sb, ns);
return(sb);
}
/* make up the bak-file name */
char *e_bakfilename(char* s)
{
/* "" is the special code for TurboC replace-extension style */
#ifndef SIMPLE_BACKUP_SUFFIX
#define SIMPLE_BACKUP_SUFFIX ""
#endif
static char* bak = NULL;
char *result;
if (!bak)
{
bak = getenv("SIMPLE_BACKUP_SUFFIX");
if (!bak) bak = SIMPLE_BACKUP_SUFFIX;
}
result = WpeMalloc(strlen(s) + strlen(bak) + 5);
if (!*bak)
return e_new_qual(s, "bak", result); /* TurboC style */
else
{
strcpy(result, s);
strcat(result, bak);
return result;
}
}
/* Clear file-/directory-structure */
int freedf(struct dirfile *df)
{
if (df == NULL) return(-1);
if(df->name)
{
for (; df->anz > 0; (df->anz)--)
if (*(df->name+df->anz-1))
FREE(*(df->name+df->anz-1));
FREE(df->name);
}
FREE(df);
df = NULL;
return(0);
}
int e_file_window(int sw, FLWND *fw, int ft, int fz)
{
int i, c, nsu = 0;
int len = 0;
char sustr[18];
if(fw->df->anz > 0)
{ if(fw->nf >= fw->df->anz) fw->nf = fw->df->anz-1;
len = strlen(*(fw->df->name+fw->nf));
}
e_mouse_bar(fw->xe, fw->ya, fw->ye-fw->ya, 0, fw->f->fb->em.fb);
e_mouse_bar(fw->xa, fw->ye, fw->xe-fw->xa, 1, fw->f->fb->em.fb);
while (1)
{ e_pr_file_window(fw, 1, 1, ft, fz, 0);
#if MOUSE
if((c = e_getch()) < 0) c = fl_wnd_mouse(sw, c, fw);
#else
c = e_getch();
#endif
if(fw->df->anz <= 0) return(WPE_ESC);
if (c == CUP || c == CtrlP)
{ if(fw->nf <= 0) return(c);
else fw->nf--;
if(fw->srcha < 0) nsu = 0;
}
else if ((c == CDO || c == CtrlN) && fw->nf < fw->df->anz-1)
{ fw->nf++;
if(fw->srcha < 0) nsu = 0;
}
else if (c == CLE || c == CtrlB)
{ if(fw->ja <= 0) return(c);
else fw->ja--;
}
else if (c == CRI || c == CtrlF)
{ if(fw->ja > len-2) return(c);
else fw->ja++;
}
else if (c == BUP)
{ if(fw->nf <= 0) return(c);
if((fw->nf -= (fw->ye-fw->ya-1)) < 0) fw->nf = 0;
if(fw->srcha < 0) nsu = 0;
}
else if (c == BDO)
{ if((fw->nf += (fw->ye-fw->ya-1)) > fw->df->anz-1)
fw->nf = fw->df->anz-1;
if(fw->srcha < 0) nsu = 0;
}
else if (c == POS1 || c == CtrlA || c == CBUP)
{ fw->nf = 0; nsu = 0; fw->ja = fw->srcha > 0 ? fw->srcha : 0; }
else if (c == ENDE || c == CtrlE || c == CBDO)
fw->nf = fw->df->anz-1;
else if (c >= 32 && c < 127)
{ sustr[nsu] = c; sustr[++nsu] = '\0';
if(fw->srcha < 0)
{ for(i = nsu > 1 ? fw->nf : fw->nf+1; i < fw->df->anz; i++)
{ for(c = 0; *(fw->df->name[i]+c)
&& ( *(fw->df->name[i]+c) <= 32
|| *(fw->df->name[i]+c) >= 127); c++);
#ifdef UNIX
if(!WpeIsXwin() && *(fw->df->name[i]+c-1) == 32) c += 3;
#endif
if(strncmp(fw->df->name[i]+c, sustr, nsu) >= 0) break;
}
}
else
{ for(i = 0; i < fw->df->anz
&& strncmp(fw->df->name[i]+fw->srcha, sustr, nsu) < 0; i++);
}
fw->nf = i < fw->df->anz ? i : fw->df->anz-1;
}
else if (c == CCLE) return(c);
else if (c == CCRI) return(c);
else if(c) { nsu = 0; return(c); }
else if(fw->srcha < 0) nsu = 0;
if(fw->nf > fw->df->anz-1) fw->nf = fw->df->anz-1;
len=strlen(*(fw->df->name+fw->nf));
if(fw->ja >= len) fw->ja = !len ? len : len-1;
if(fw->nf-fw->ia >= fw->ye - fw->ya) fw->ia = fw->nf+fw->ya-fw->ye+1;
else if(fw->nf-fw->ia < 0) fw->ia = fw->nf;
}
return(0);
}
int e_pr_file_window(FLWND *fw, int c, int sw, int ft, int fz, int fs)
{
#ifdef NEWSTYLE
int xrt = 0;
#endif
int i = fw->ia, len;
if (fw->df != NULL)
{
for (; i < fw->df->anz && i-fw->ia < fw->ye-fw->ya; i++)
{
if ((len=strlen(*(fw->df->name+i))) < 0)
len = 0;
if (i == fw->nf && c && len >= fw->ja)
{
e_pr_nstr(fw->xa+1, fw->ya+i-fw->ia, fw->xe-fw->xa, *(fw->df->name+i)+fw->ja, fz, fz);
#ifdef NEWSTYLE
xrt = 1;
#endif
}
else if (i == fw->nf && len >= fw->ja)
e_pr_nstr(fw->xa+1, fw->ya+i-fw->ia, fw->xe-fw->xa, *(fw->df->name+i)+fw->ja, fs, fs);
else if (len >= fw->ja)
e_pr_nstr(fw->xa+1, fw->ya+i-fw->ia, fw->xe-fw->xa, *(fw->df->name+i)+fw->ja, ft, ft);
else if (len < fw->ja)
e_blk(fw->xe-fw->xa-1, fw->xa+1, fw->ya+i-fw->ia, ft);
/*
if ((len -= fw->ja) < 0) len = 0;
e_blk(fw->xe-fw->xa-len-1, fw->xa+len+1, fw->ya+i-fw->ia, ft);
*/
if (sw)
{
fw->nyfo = e_lst_zeichen(fw->xe, fw->ya, fw->ye-fw->ya, 0,
fw->f->fb->em.fb, fw->df->anz, fw->nyfo, fw->nf);
fw->nxfo = e_lst_zeichen(fw->xa, fw->ye, fw->xe-fw->xa, 1,
fw->f->fb->em.fb, len, fw->nxfo, fw->ja);
}
}
}
for (; i-fw->ia < fw->ye-fw->ya; i++)
e_blk(fw->xe-fw->xa, fw->xa, fw->ya+i-fw->ia, ft);
#ifdef NEWSTYLE
e_make_xrect(fw->xa, fw->ya, fw->xe-1, fw->ye-1, 1);
if (xrt)
e_make_xrect_abs(fw->xa, fw->ya+fw->nf-fw->ia, fw->xe-1, fw->ya+fw->nf-fw->ia, 0);
#endif
return(0);
}
struct help_ud
{
struct help_ud *next;
char *str, *nstr, *pstr, *file;
int x, y, sw;
} *ud_help;
#ifdef HAS_LIBZ
typedef gzFile IFILE;
#define e_i_fgets(s, n, p) gzgets(p, s, n)
#define e_i_fclose(p) gzclose(p)
#else
typedef struct
{
FILE *fp;
int sw;
} IFILE;
#define e_i_fgets(s, n, p) fgets(s, n, p->fp)
#endif
int e_mkdir_path(char *path)
{
int i, len;
char *tmp = MALLOC(((len=strlen(path))+1)*sizeof(char));
if (!tmp)
return(-1);
strcpy(tmp, path);
for (i = len; i > 0 && tmp[i] != DIRC; i--)
;
if (i > 0)
{
tmp[i] = '\0';
if (access(tmp, 0))
{
e_mkdir_path(tmp);
mkdir(tmp, 0700);
}
}
FREE(tmp);
return(0);
}
IFILE *e_i_fopen(char *path, char *stat)
{
char *tmp2;
#ifdef HAS_LIBZ
IFILE *fp;
if (!path) { return(NULL); }
if ((fp = gzopen(path, stat))) { return(fp); }
if (!(tmp2 = MALLOC((strlen(path)+11)*sizeof(char))))
{
FREE(fp);
return(NULL);
}
strcpy(tmp2, path);
strcat(tmp2, ".info");
if ((fp = gzopen(tmp2, stat)))
{
FREE(tmp2);
return(fp);
}
strcpy(tmp2, path);
strcat(tmp2, ".gz");
if ((fp = gzopen(tmp2, stat)))
{
FREE(tmp2);
return(fp);
}
strcpy(tmp2, path);
strcat(tmp2, ".Z");
if ((fp = gzopen(tmp2, stat)))
{
FREE(tmp2);
return(fp);
}
strcpy(tmp2, path);
strcat(tmp2, ".info.gz");
if ((fp = gzopen(tmp2, stat)))
{
FREE(tmp2);
return(fp);
}
strcpy(tmp2, path);
strcat(tmp2, ".info.Z");
if ((fp = gzopen(tmp2, stat)))
{
FREE(tmp2);
return(fp);
}
FREE(fp);
FREE(tmp2);
return(NULL);
#else
extern char *e_tmp_dir;
char *tmp, *command;
int len;
IFILE *fp = MALLOC(sizeof(IFILE));
if (!fp) return(NULL);
if (!path) { FREE(fp); return(NULL); }
if ((fp->fp = fopen(path, stat))) { fp->sw = 0; return(fp); }
if (!(tmp2 = MALLOC((strlen(path)+11)*sizeof(char))))
{
FREE(fp);
return(NULL);
}
strcpy(tmp2, path);
strcat(tmp2, ".info");
if ((fp->fp = fopen(tmp2, stat)))
{
FREE(tmp2);
fp->sw = 0;
return(fp);
}
strcpy(tmp2, path);
strcat(tmp2, ".gz");
if (access(tmp2, 0))
{
strcpy(tmp2, path);
strcat(tmp2, ".Z");
if (access(tmp2, 0))
{
strcpy(tmp2, path);
strcat(tmp2, ".info.gz");
if (access(tmp2, 0))
{
strcpy(tmp2, path);
strcat(tmp2, ".info.Z");
if (access(tmp2, 0))
{
FREE(fp);
FREE(tmp2);
return(NULL);
}
}
}
}
if (!(tmp = MALLOC((strlen(path)+(len=strlen(e_tmp_dir))+2)*sizeof(char))))
{
FREE(fp);
FREE(tmp2);
return(NULL);
}
strcpy(tmp, e_tmp_dir);
if (path[0] != DIRC) { tmp[len] = DIRC; tmp[len+1] = '\0'; }
strcat(tmp, path);
if ((fp->fp = fopen(tmp, stat)))
{
fp->sw = 1;
FREE(tmp);
FREE(tmp2);
return(fp);
}
command = MALLOC((strlen(tmp) + strlen(tmp2) + 14) * sizeof(char));
if (!command) { FREE(fp); FREE(tmp); FREE(tmp2); return(NULL); }
e_mkdir_path(tmp);
sprintf(command, "gunzip < %s > %s", tmp2, tmp);
FREE(tmp2);
system(command);
FREE(command);
fp->fp = fopen(tmp, stat);
FREE(tmp);
if (!fp->fp) { FREE(fp); return(NULL); }
fp->sw = 1;
return(fp);
#endif
}
#ifndef HAS_LIBZ
int e_i_fclose(IFILE *fp)
{
int ret = fclose(fp->fp);
FREE(fp);
return(ret);
}
#endif
int e_read_help(char *str, FENSTER *f, int sw)
{
IFILE *fp;
char *ptmp, tstr[256];
int i;
ptmp = e_mkfilename(LIBRARY_DIR, HELP_FILE);
fp = e_i_fopen(ptmp, "rb");
FREE(ptmp);
if (!fp)
return(1);
e_close_buffer(f->b);
if ((f->b = (BUFFER *) MALLOC(sizeof(BUFFER))) == NULL)
e_error(e_msg[ERR_LOWMEM], 1, f->fb);
if ((f->b->bf = (STRING *) MALLOC(MAXLINES*sizeof(STRING))) == NULL)
e_error(e_msg[ERR_LOWMEM], 1, f->fb);
f->b->f = f;
f->b->b = e_set_pnt(0, 0);
f->b->mx = e_set_pnt(f->ed->maxcol, MAXLINES);
f->b->mxlines = 0;
f->b->fb = f->fb;
f->b->cn = f->ed;
f->b->ud = NULL;
e_new_line(0, f->b);
if (str && str[0])
{
while ((ptmp = e_i_fgets(tstr, 256, fp)) && !WpeStrcstr(tstr, str))
;
if (ptmp && !sw)
{
strcpy(f->b->bf[f->b->mxlines-1].s, tstr);
f->b->bf[f->b->mxlines-1].len = e_str_len(f->b->bf[f->b->mxlines-1].s);
f->b->bf[f->b->mxlines-1].nrc = e_str_nrc(f->b->bf[f->b->mxlines-1].s);
}
}
if (sw)
{
char *tp = NULL, tmp[128], ts[2];
ts[0] = HHD; ts[1] = '\0';
while ((ptmp = e_i_fgets(tstr, 256, fp)) && !(tp = strstr(tstr, ts)))
;
if (!str || !str[0])
while((ptmp = e_i_fgets(tstr, 256, fp)) && !(tp = strstr(tstr, ts)))
;
if (!ptmp)
{
e_i_fclose(fp);
return(e_error("No Next Page", 0, f->fb));
}
else
{
for (i = 0; (tmp[i] = tp[i]) && tp[i] != HED; i++)
;
tmp[i] = HED; tmp[i+1] = '\0';
if ((ud_help->str = MALLOC((strlen(tmp)+1)*sizeof(char))) != NULL)
strcpy(ud_help->str, tmp);
strcpy(f->b->bf[f->b->mxlines-1].s, tstr);
f->b->bf[f->b->mxlines-1].len = e_str_len(f->b->bf[f->b->mxlines-1].s);
f->b->bf[f->b->mxlines-1].nrc = e_str_nrc(f->b->bf[f->b->mxlines-1].s);
}
}
while(e_i_fgets(tstr, 256, fp))
{
for(i = 0; tstr[i]; i++)
if (tstr[i] == HFE) { e_i_fclose(fp); return(0); }
e_new_line(f->b->mxlines, f->b);
strcpy(f->b->bf[f->b->mxlines-1].s, tstr);
f->b->bf[f->b->mxlines-1].len = e_str_len(f->b->bf[f->b->mxlines-1].s);
f->b->bf[f->b->mxlines-1].nrc = e_str_nrc(f->b->bf[f->b->mxlines-1].s);
}
e_i_fclose(fp);
return(2);
}
int e_help_ret(FENSTER *f)
{
BUFFER *b = f->b;
int i, j;
char str[126];
struct help_ud *next;
for(i = b->b.x; i >= 0 && b->bf[b->b.y].s[i] != HED; i--)
{ if(b->bf[b->b.y].s[i] == HBG)
{ str[0] = HHD;
for(j = i+1; j < b->bf[b->b.y].len
&& (str[j-i] = b->bf[b->b.y].s[j]) != HED; j++);
str[j-i+1] = '\0';
if((next = MALLOC(sizeof(struct help_ud))) != NULL)
{ next->str = MALLOC((strlen(str)+1) * sizeof(char));
if(next->str) strcpy(next->str, str);
if(ud_help && ud_help->file)
{ next->file = MALLOC((strlen(ud_help->file)+1) * sizeof(char));
if(next->file) strcpy(next->file, ud_help->file);
}
else next->file = NULL;
next->nstr = next->pstr = NULL;
next->x = b->b.x;
next->y = b->b.y;
next->sw = ud_help ? ud_help->sw : 0;
next->next = ud_help;
ud_help = next;
}
if(ud_help->sw) e_read_info(str, f, ud_help->file);
else e_read_help(str, f, 0);
b = f->b; b->b.x = b->b.y = 0;
e_cursor(f, 1);
e_schirm(f, 1);
return(0);
}
else if(b->bf[b->b.y].s[i] == HNF)
{ for(i++; i < b->bf[b->b.y].len && b->bf[b->b.y].s[i] != HED; i++);
for(i++, j = 0; j+i < b->bf[b->b.y].len
&& (str[j] = b->bf[b->b.y].s[j+i]) != HED; j++);
str[j] = '\0';
if((next = MALLOC(sizeof(struct help_ud))) != NULL)
{ next->str = MALLOC(4 * sizeof(char));
if(next->str) strcpy(next->str, "Top");
next->file = MALLOC((strlen(str)+1) * sizeof(char));
if(next->file) strcpy(next->file, str);
next->sw = 1;
next->next = ud_help;
next->x = b->b.x;
next->y = b->b.y;
next->nstr = next->pstr = NULL;
ud_help = next;
}
e_read_info("Top", f, ud_help->file);
b = f->b; b->b.x = b->b.y = 0;
e_cursor(f, 1);
e_schirm(f, 1);
return(0);
}
else if(b->bf[b->b.y].s[i] == HFB)
{ for(j = i+1; j < b->bf[b->b.y].len
&& (str[j-i-1] = b->bf[b->b.y].s[j]) != HED; j++);
str[j-i-1] = '\0';
return(e_ed_man(str, f));
}
else if(b->bf[b->b.y].s[i] == HHD) return(e_help_last(f));
}
return(1);
}
int e_help_last(FENSTER *f)
{
struct help_ud *last = ud_help;
if (!last)
return(1);
if (last->sw)
{
if (last->next == NULL)
e_read_info(NULL, f, NULL);
else
e_read_info(last->next->str, f, last->next->file);
}
else
{
if (last->next == NULL)
e_read_help(NULL, f, 0);
else
e_read_help(last->next->str, f, 0);
}
f->b->b.x = last->x;
f->b->b.y = last->y;
e_cursor(f, 1);
e_schirm(f, 1);
ud_help = last->next;
FREE(last->str);
FREE(last);
return(0);
}
int e_help_next(FENSTER *f, int sw)
{
struct help_ud *last = ud_help;
if(last && last->sw)
{ if(sw && last->nstr)
{ if(last->str) FREE(last->str);
if(last->pstr) FREE(last->pstr);
last->str = last->nstr;
last->nstr = NULL;
}
else if(!sw && last->pstr)
{ if(last->str) FREE(last->str);
if(last->nstr) FREE(last->nstr);
last->str = last->pstr;
last->pstr = NULL;
}
else
return(e_error(sw ? "No Next Page" : "No Previous Page", 0, f->fb));
e_read_info(last->str, f, last->file);
f->b->b.x = f->b->b.y = 0;
e_cursor(f, 1);
e_schirm(f, 1);
return(0);
}
else
{ if(sw)
{ if((last = MALLOC(sizeof(struct help_ud))) != NULL)
{ last->str = NULL;
last->file = NULL;
last->x = last->y = 0;
last->nstr = last->pstr = NULL;
last->sw = 0;
last->next = ud_help;
ud_help = last;
e_read_help(ud_help->next ? ud_help->next->str : NULL, f, 1);
f->b->b.x = f->b->b.y = 0;
e_cursor(f, 1);
e_schirm(f, 1);
return(0);
}
}
else return(e_help_last(f));
}
return(e_error(sw ? "No Next Page" : "No Previous Page", 0, f->fb));
}
int e_help_free(FENSTER *f)
{
struct help_ud *next, *last = ud_help;
while (last)
{
next = last->next;
if (last->str) FREE(last->str);
if (last->pstr) FREE(last->pstr);
if (last->nstr) FREE(last->nstr);
if (last->file) FREE(last->file);
FREE(last);
last = next;
}
ud_help = NULL;
return(0);
}
int e_help_comp(FENSTER *f)
{
BUFFER *b = f->b;
int i, j, k, hn = 0, sn = 0;
char **swtch = MALLOC(sizeof(char *));
char **hdrs = MALLOC(sizeof(char *));
char str[256];
if (f->dtmd != DTMD_HELP) return(1);
for (j = 0; j < b->mxlines; j++)
{
for (i = 0; i < b->bf[j].len; i++)
{
if (b->bf[j].s[i] == HBG)
{
for (k = i+1; k < b->bf[j].len && (str[k-i-1] = b->bf[j].s[k]) != HED &&
str[k-i-1] != HBG && str[k-i-1] != HHD && str[k-i-1] != HFE ; k++)
;
if (str[k-i-1] != HED)
{
e_error("Error in Switch!", 0, f->fb);
b->b.x = k; b->b.y = j;
e_cursor(f, 1);
return(2);
}
str[k-i-1] = '\0';
sn++;
swtch = REALLOC(swtch, sn * sizeof(char *));
swtch[sn-1] = MALLOC((strlen(str) + 1) + sizeof(char));
strcpy(swtch[sn-1], str);
}
}
}
for (j = 0; j < b->mxlines; j++)
{
for (i = 0; i < b->bf[j].len; i++)
{
if (b->bf[j].s[i] == HHD)
{
for (k = i+1; k < b->bf[j].len && (str[k-i-1] = b->bf[j].s[k]) != HED &&
str[k-i-1] != HBG && str[k-i-1] != HHD && str[k-i-1] != HFE ; k++)
;
if (str[k-i-1] != HED)
{
e_error("Error in Header!", 0, f->fb);
b->b.x = k; b->b.y = j;
e_cursor(f, 1);
return(2);
}
str[k-i-1] = '\0';
hn++;
hdrs = REALLOC(hdrs, hn * sizeof(char *));
hdrs[hn-1] = MALLOC((strlen(str) + 1) + sizeof(char));
strcpy(hdrs[hn-1], str);
}
}
}
for (j = 0; j < sn; j++)
{
for (i = 0; i < hn; i++) if(!WpeStrccmp(swtch[j], hdrs[i])) break;
if (i >= hn)
{