/*
* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
* All rights reserved.
*
* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
* non-exclusive and royalty-free license to use, copy, modify and
* redistribute, solely for non-commercial and non-profit purposes, the
* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
* conditions of this Agreement. For the avoidance of doubt, you acquire
* only a limited right to use the SOFTWARE hereunder, and FLL or any
* third party developer retains all rights, including but not limited to
* copyrights, in and to the SOFTWARE.
*
* (1) FLL does not grant you a license in any way for commercial
* purposes. You may use the SOFTWARE only for non-commercial and
* non-profit purposes only, such as academic, research and internal
* business use.
* (2) The SOFTWARE is protected by the Copyright Law of Japan and
* international copyright treaties. If you make copies of the SOFTWARE,
* with or without modification, as permitted hereunder, you shall affix
* to all such copies of the SOFTWARE the above copyright notice.
* (3) An explicit reference to this SOFTWARE and its copyright owner
* shall be made on your publication or presentation in any form of the
* results obtained by use of the SOFTWARE.
* (4) In the event that you modify the SOFTWARE, you shall notify FLL by
* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
* for such modification or the source code of the modified part of the
* SOFTWARE.
*
* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
*
* $OpenXM: OpenXM_contrib2/asir2018/builtin/help.c,v 1.2 2020/10/06 06:31:19 noro Exp $
*/
#include "ca.h"
#include "parse.h"
void Phelp();
void ghelp(void);
struct ftab help_tab[] = {
{"help",Phelp,-1},
{0,0,0},
};
void Phelp(arg,rp)
NODE arg;
Obj *rp;
{
if ( !arg || !ARG0(arg) )
help(0);
else
switch (OID(ARG0(arg))) {
case O_P:
help(NAME(VR((P)ARG0(arg))));
break;
case O_STR:
help(BDY((STRING)ARG0(arg)));
break;
default:
break;
}
*rp = 0;
}
static char *ghelpstr[] = {
"<expression> ';' : eval and print",
"<expression> '$' : eval",
"end (quit) : close the current input stream",
"debug : enter the debug mode",
0
};
void help(s)
char *s;
{
extern char *asir_libdir;
extern char *asir_pager;
char *e;
static char helpdir[16];
static int ja_JP_UTF_8 = 0;
if ( !helpdir[0] ) {
e = (char *)getenv("LANG");
if ( !e )
strcpy(helpdir,"help");
else if ( !strncmp(e,"japan",strlen("japan"))
|| !strncmp(e,"ja_JP",strlen("ja_JP")) ) {
strcpy(helpdir,"help-ja");
if (strcmp(e,"ja_JP.UTF-8")==0) ja_JP_UTF_8 = 1;
}else
strcpy(helpdir,"help-en");
}
if ( !s )
ghelp();
else {
#if !defined(VISUAL) && !defined(__MINGW32__)
int i;
FUNC f;
char name[BUFSIZ],com[BUFSIZ];
FILE *fp;
sprintf(name,"%s/%s/%s",asir_libdir,helpdir,s);
if ( ( fp = fopen(name,"r") ) != 0 ) {
fclose(fp);
if (!ja_JP_UTF_8)
sprintf(com,"%s %s",asir_pager,name);
else
sprintf(com,"nkf -w %s | %s ",name,asir_pager);
system(com);
} else {
gen_searchf_searchonly(s,&f,0);
if ( f && f->id == A_USR && f->f.usrf->desc )
fprintf(stderr,"%s\n",f->f.usrf->desc);
}
#else
FUNC f;
gen_searchf_searchonly(s,&f,0);
if ( f && f->id == A_USR && f->f.usrf->desc )
fprintf(stderr,"%s\n",f->f.usrf->desc);
#endif
}
}
void ghelp() {
int i;
for ( i = 0; ghelpstr[i]; i++ )
fprintf(stderr,"%s\n",ghelpstr[i]);
}