/* Note the return value for this is:
* meABORT - there was a major failure (i.e. couldn't open the file)
* meFALSE - user quit
* meTRUE - succeded
* this is used by the exit function which ignore the major failures
*/
static int
regTestSave(meRegNode *sroot, int flags)
{
/* if its not a file or not changed or the changes are to be discarded
* then nothing to do */
if(!(sroot->mode & meREGMODE_FROOT) || !(sroot->mode & meREGMODE_CHANGE) ||
(sroot->mode & meREGMODE_DISCARD))
return meTRUE ;
if((flags & 0x01) && !(sroot->mode & meREGMODE_AUTO))
{
meUByte prompt[meBUF_SIZE_MAX] ;
int ret ;
meStrcpy(prompt,(sroot->value != NULL) ? sroot->value:sroot->name) ;
meStrcat(prompt,": Save registry") ;
if((ret = mlyesno(prompt)) == meABORT)
{
ctrlg(meFALSE,1) ;
return meFALSE ;
}
if(ret == meFALSE)
return meTRUE ;
}
return regSave(sroot,NULL,sroot->mode) ;
}
int
helpVariable(int f, int n)
{
meUByte buf[meBUF_SIZE_MAX] ;
if(meGetString((meUByte *)"Help on variable", MLVARBL, 0, buf, meBUF_SIZE_MAX-10) <= 0)
return false ;
meStrcat(buf,"(5)") ;
return findHelpItem(buf,0) ;
}
static int
findHelpItem(meUByte *item, int silent)
{
meWindow *wp ;
meBuffer *bp, *hbp ;
meLine *lp, *elp ;
int sectLen, itemLen, ii ;
meUByte *ss, cc, sect[5] ;
itemLen = meStrlen(item) ;
if((item[itemLen-1] == ')') &&
((item[(ii=itemLen-3)] == '(') ||
(item[(ii=itemLen-4)] == '(') ))
{
sectLen = itemLen-ii-2 ;
meStrcpy(sect,item+ii) ;
itemLen = ii ;
item[itemLen] = '\0' ;
}
else
{
sectLen = 0 ;
sect[0] = '\0' ;
sect[1] = '\0' ;
}
if((hbp=helpBufferFind()) == NULL)
return meABORT ;
elp = hbp->baseLine ;
try_again:
lp = meLineGetNext(elp) ;
while(lp != elp)
{
if((lp->text[0] == '!') &&
(!sectLen ||
((sect[1] == lp->text[2]) &&
(((sectLen == 1) && (lp->text[3] == ' ')) ||
(sect[2] == lp->text[3])))))
{
if((cc=lp->text[1]) == ' ')
{
ii = meLineGetLength(lp) - 4 ;
if(ii != itemLen)
ii = -1 ;
}
else
{
ii = cc - '0' ;
if(ii > itemLen)
ii = -1 ;
}
if((ii > 0) && !meStrncmp(item,lp->text+4,ii))
break ;
}
lp = meLineGetNext(lp) ;
}
if(lp == elp)
{
meMacro *mac ;
if(!meModeTest(hbp->mode,MDLOCK))
{
if(helpBufferLoad(hbp) == meABORT)
return meABORT ;
goto try_again ;
}
if((getMacroTypeS(item) == TKCMD) &&
((ii = decode_fncname(item,1)) >= CK_MAX) &&
((mac = getMacro(ii)) != NULL) &&
(mac->hlp->flag & meMACRO_FILE))
{
meModeClear(hbp->mode,MDVIEW) ;
if(mac->fname != NULL)
execFile(mac->fname,0,1) ;
else
execFile(mac->name,0,1) ;
helpBufferReset(hbp) ;
if(!(mac->hlp->flag & meMACRO_FILE))
goto try_again ;
}
if(!silent)
mlwrite(MWABORT,(meUByte *)"[Can't find help on %s%s]",item,sect);
return meABORT ;
}
if((wp = meWindowPopup(BhelpN,BFND_CREAT|BFND_CLEAR|WPOP_USESTR,NULL)) == NULL)
return false ;
if((sectLen == 0) && (lp->text[2] != ' '))
{
ss = sect ;
*ss++ = '(' ;
*ss++ = lp->text[2] ;
if(lp->text[3] != ' ')
*ss++ = lp->text[3] ;
*ss++ = ')' ;
*ss = '\0' ;
}
bp = wp->buffer ;
/* Add the header */
{
meUByte buff[meBUF_SIZE_MAX] ;
sprintf((char *)buff,"\033cD%s%s\033cA",lp->text+4,sect) ;
addLineToEob(bp,buff) ;
addLineToEob(bp,(meUByte *)"\n\033lsMicroEmacs\033lm[Home]\033le \033lsCommand G\033lm[Commands]\033le \033lsVariable \033lm[Variables]\033le \033lsMacro Lan\033lm[Macro-Dev]\033le \033lsGlobal G\033lm[Glossary]\033le") ;
memset(buff,boxChars[BCEW],78) ;
buff[78] = '\n' ;
buff[79] = '\0' ;
addLineToEob(bp,buff) ;
}
while(((lp=meLineGetNext(lp)) != elp) && (lp->text[0] == '!'))
;
while((lp != elp) && ((cc=lp->text[0]) != '!'))
{
if(cc == '|')
{
if(meStrcmp(item,lp->text+1))
lp = meLineGetNext(lp) ;
}
else if(cc == '$')
{
if(lp->text[1] == 'a')
{
if(sect[1] == '5')
{
meUByte line[meBUF_SIZE_MAX], *ss ;
if((ss = getval(item)) != NULL)
{
addLineToEob(bp,(meUByte *)"\n\n\033cEVALUE\033cA\n") ;
meStrcpy(line," \"") ;
meStrncpy(line+5,ss,meBUF_SIZE_MAX-13) ;
line[meBUF_SIZE_MAX-2] = '\0' ;
meStrcat(line,"\"") ;
addLineToEob(bp,line) ;
}
}
if(sect[1] == '2')
{
if((ii = decode_fncname(item,1)) >= 0)
{
meBind *ktp ;
meUByte line[meBUF_SIZE_MAX], *ss ;
addLineToEob(bp,(meUByte *)"\n\n\033cEBINDINGS\033cA\n") ;
meStrcpy(line," ") ;
ss = line+4 ;
for(ktp = &keytab[0] ; ktp->code != ME_INVALID_KEY ; ktp++)
{
if(ktp->index == ii)
{
*ss++ = '"' ;
meGetStringFromKey(ktp->code,ss);
ss += meStrlen(ss) ;
*ss++ = '"' ;
*ss++ = ' ' ;
}
}
if(ss == line+4)
meStrcpy(ss,"none") ;
else
*ss = '\0' ;
addLineToEob(bp,line) ;
}
}
}
}
else
addLineToEob(bp,lp->text) ;
lp = meLineGetNext(lp) ;
}
/* Add the footer */
{
meUByte buff[meBUF_SIZE_MAX] ;
buff[0] = '\n' ;
memset(buff+1,boxChars[BCEW],78) ;
sprintf((char *)buff+79,"\n\033lsCopyright\033lm%s\033le",meCopyright) ;
addLineToEob(bp,buff) ;
}
bp->dotLine = meLineGetNext(bp->baseLine);
bp->dotOffset = 0 ;
bp->dotLineNo = 0 ;
meModeClear(bp->mode,MDEDIT) ; /* don't flag this as a change */
meModeSet(bp->mode,MDVIEW) ; /* put this buffer view mode */
resetBufferWindows(bp) ; /* Update the window */
mlerase(MWCLEXEC); /* clear the mode line */
return true ;
}
void
meSetupPathsAndUser(char *progname)
{
meUByte *ss, buff[meBUF_SIZE_MAX] ;
int ii, ll, gotUserPath ;
curdir = gwd(0) ;
if(curdir == NULL)
/* not yet initialised so mlwrite will exit */
mlwrite(MWCURSOR|MWABORT|MWWAIT,(meUByte *)"Failed to get cwd\n") ;
/* setup the $progname make it an absolute path. */
if(executableLookup(progname,evalResult))
meProgName = meStrdup(evalResult) ;
else
{
#ifdef _ME_FREE_ALL_MEMORY
/* stops problems on exit */
meProgName = meStrdup(progname) ;
#else
meProgName = (meUByte *)progname ;
#endif
}
#if MEOPT_BINFS
/* Initialise the built-in file system. Note for speed we only check the
* header. Scope the "exepath" locally so it is discarded once the
* pathname is passed to the mount and we exit the braces. */
bfsdev = bfs_mount (meProgName, BFS_CHECK_HEAD);
#endif
if(meUserName == NULL)
{
if(((ss = meGetenv ("MENAME")) == NULL) || (ss[0] == '\0'))
ss = "user" ;
meUserName = meStrdup(ss) ;
}
/* get the users home directory, user path and search path */
if(((ss = meGetenv("HOME")) == NULL) || (ss[0] == '\0'))
ss = "c:/" ;
fileNameSetHome(ss) ;
if(((ss = meGetenv ("MEUSERPATH")) != NULL) && (ss[0] != '\0'))
meUserPath = meStrdup(ss) ;
if(((ss = meGetenv("MEPATH")) != NULL) && (ss[0] != '\0'))
{
/* explicit path set by the user, don't need to look at anything else */
searchPath = meStrdup(ss) ;
/* we just need to add the $user-path to the front */
if(meUserPath != NULL)
{
/* check that the user path is first in the search path, if not add it */
ll = meStrlen(meUserPath) ;
if(meStrncmp(searchPath,meUserPath,ll) ||
((searchPath[ll] != '\0') && (searchPath[ll] != mePATH_CHAR)))
{
/* meMalloc will exit if it fails as ME has not finished initialising */
ss = meMalloc(ll + meStrlen(searchPath) + 2) ;
meStrcpy(ss,meUserPath) ;
ss[ll] = mePATH_CHAR ;
meStrcpy(ss+ll+1,searchPath) ;
meFree(searchPath) ;
searchPath = ss ;
}
}
}
else
{
/* construct the search-path */
/* put the $user-path first */
if((gotUserPath = (meUserPath != NULL)))
meStrcpy(evalResult,meUserPath) ;
else
evalResult[0] = '\0' ;
ll = meStrlen(evalResult) ;
/* look for the ~/jasspa directory */
if(homedir != NULL)
{
meStrcpy(buff,homedir) ;
meStrcat(buff,"jasspa") ;
if(((ll = mePathAddSearchPath(ll,evalResult,buff,&gotUserPath)) > 0) && !gotUserPath)
/* as this is the user's area, use this directory unless we find
* a .../<$user-name>/ directory */
gotUserPath = -1 ;
}
/* Get the system path of the installed macros. Use $MEINSTPATH as the
* MicroEmacs standard macros */
if(((ss = meGetenv ("MEINSTALLPATH")) != NULL) && (ss[0] != '\0'))
{
meStrcpy(buff,ss) ;
ll = mePathAddSearchPath(ll,evalResult,buff,&gotUserPath) ;
}
/* also check for directories in the same location as the binary */
if((meProgName != NULL) && ((ss=meStrrchr(meProgName,DIR_CHAR)) != NULL))
{
ii = (((size_t) ss) - ((size_t) meProgName)) ;
meStrncpy(buff,meProgName,ii) ;
buff[ii] = '\0' ;
ll = mePathAddSearchPath(ll,evalResult,buff,&gotUserPath) ;
}
if(!gotUserPath && (homedir != NULL))
{
/* We have not found a user path so set ~/ as the user-path
* as this is the best place for macros to write to etc. */
meStrcpy(buff,homedir) ;
if(ll)
{
ii = meStrlen(buff) ;
buff[ii++] = mePATH_CHAR ;
meStrcpy(buff+ii,evalResult) ;
}
searchPath = meStrdup(buff) ;
}
else if(ll > 0)
searchPath = meStrdup(evalResult) ;
}
if(searchPath != NULL)
{
fileNameConvertDirChar(searchPath) ;
if(meUserPath == NULL)
{
/* no user path yet, take the first path from the search-path, this
* should be a sensible directory to use */
if((ss = meStrchr(searchPath,mePATH_CHAR)) != NULL)
*ss = '\0' ;
meUserPath = meStrdup(searchPath) ;
if(ss != NULL)
*ss = mePATH_CHAR ;
}
}
if(meUserPath != NULL)
{
fileNameConvertDirChar(meUserPath) ;
ll = meStrlen(meUserPath) ;
if(meUserPath[ll-1] != DIR_CHAR)
{
meUserPath = meRealloc(meUserPath,ll+2) ;
meUserPath[ll++] = DIR_CHAR ;
meUserPath[ll] = '\0' ;
}
}
}