Annotation of OpenXM_contrib2/asir2000/builtin/help.c, Revision 1.6
1.3 noro 1: /*
2: * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
3: * All rights reserved.
4: *
5: * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
6: * non-exclusive and royalty-free license to use, copy, modify and
7: * redistribute, solely for non-commercial and non-profit purposes, the
8: * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
9: * conditions of this Agreement. For the avoidance of doubt, you acquire
10: * only a limited right to use the SOFTWARE hereunder, and FLL or any
11: * third party developer retains all rights, including but not limited to
12: * copyrights, in and to the SOFTWARE.
13: *
14: * (1) FLL does not grant you a license in any way for commercial
15: * purposes. You may use the SOFTWARE only for non-commercial and
16: * non-profit purposes only, such as academic, research and internal
17: * business use.
18: * (2) The SOFTWARE is protected by the Copyright Law of Japan and
19: * international copyright treaties. If you make copies of the SOFTWARE,
20: * with or without modification, as permitted hereunder, you shall affix
21: * to all such copies of the SOFTWARE the above copyright notice.
22: * (3) An explicit reference to this SOFTWARE and its copyright owner
23: * shall be made on your publication or presentation in any form of the
24: * results obtained by use of the SOFTWARE.
25: * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.4 noro 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.3 noro 27: * for such modification or the source code of the modified part of the
28: * SOFTWARE.
29: *
30: * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
31: * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
32: * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
33: * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
34: * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
35: * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
36: * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
37: * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
38: * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
39: * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
40: * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
41: * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
42: * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
43: * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
44: * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
45: * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
46: * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
47: *
1.6 ! takayama 48: * $OpenXM: OpenXM_contrib2/asir2000/builtin/help.c,v 1.5 2004/06/25 05:20:09 noro Exp $
1.3 noro 49: */
1.1 noro 50: #include "ca.h"
51: #include "parse.h"
52:
53: void Phelp();
54: void ghelp(void);
55:
56: struct ftab help_tab[] = {
57: {"help",Phelp,-1},
58: {0,0,0},
59: };
60:
61: void Phelp(arg,rp)
62: NODE arg;
63: Obj *rp;
64: {
65: if ( !arg || !ARG0(arg) )
66: help(0);
67: else
68: switch (OID(ARG0(arg))) {
69: case O_P:
70: help(NAME(VR((P)ARG0(arg))));
71: break;
72: case O_STR:
73: help(BDY((STRING)ARG0(arg)));
74: break;
75: default:
76: break;
77: }
78: *rp = 0;
79: }
80:
81: static char *ghelpstr[] = {
82: "<expression> ';' : eval and print",
83: "<expression> '$' : eval",
84: "end (quit) : close the current input stream",
85: "debug : enter the debug mode",
86: 0
87: };
88:
89: void help(s)
90: char *s;
91: {
92: extern char *asir_libdir;
93: extern char *asir_pager;
1.2 noro 94: char *e;
95: static char helpdir[16];
1.6 ! takayama 96: static int ja_JP_UTF_8 = 0;
1.2 noro 97:
98: if ( !helpdir[0] ) {
99: e = (char *)getenv("LANG");
100: if ( !e )
101: strcpy(helpdir,"help");
102: else if ( !strncmp(e,"japan",strlen("japan"))
1.6 ! takayama 103: || !strncmp(e,"ja_JP",strlen("ja_JP")) ) {
1.2 noro 104: strcpy(helpdir,"help-jp");
1.6 ! takayama 105: if (strcmp(e,"ja_JP.UTF-8")==0) ja_JP_UTF_8 = 1;
! 106: }else
1.2 noro 107: strcpy(helpdir,"help-eg");
108: }
1.1 noro 109:
110: if ( !s )
111: ghelp();
112: else {
113: #if !defined(VISUAL)
114: int i;
115: FUNC f;
116: char name[BUFSIZ],com[BUFSIZ];
117: FILE *fp;
118:
1.2 noro 119: sprintf(name,"%s/%s/%s",asir_libdir,helpdir,s);
1.1 noro 120: if ( fp = fopen(name,"r") ) {
121: fclose(fp);
1.6 ! takayama 122: if (!ja_JP_UTF_8)
! 123: sprintf(com,"%s %s",asir_pager,name);
! 124: else
! 125: sprintf(com,"nkf -w %s | %s ",name,asir_pager);
1.1 noro 126: system(com);
127: } else {
1.5 noro 128: gen_searchf_searchonly(s,&f);
129: if ( f && f->id == A_USR && f->f.usrf->desc )
1.1 noro 130: fprintf(stderr,"%s\n",f->f.usrf->desc);
131: }
132: #endif
133: }
134: }
135:
136: void ghelp() {
137: int i;
138:
139: for ( i = 0; ghelpstr[i]; i++ )
140: fprintf(stderr,"%s\n",ghelpstr[i]);
141: }
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