Annotation of OpenXM_contrib2/asir2000/builtin/strobj.c, Revision 1.12
1.6 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
1.7 noro 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.6 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: *
1.12 ! noro 48: * $OpenXM: OpenXM_contrib2/asir2000/builtin/strobj.c,v 1.11 2004/02/13 05:48:35 saito Exp $
1.6 noro 49: */
1.1 noro 50: #include "ca.h"
51: #include "parse.h"
52: #include "ctype.h"
1.10 ohara 53: #if defined(PARI)
1.1 noro 54: #include "genpari.h"
1.11 saito 55: # if !(PARI_VERSION_CODE > 131588)
1.1 noro 56: extern jmp_buf environnement;
1.11 saito 57: # endif
1.1 noro 58: #endif
1.5 noro 59: #include <string.h>
60:
1.1 noro 61: extern char *parse_strp;
62:
63: void Prtostr(), Pstrtov(), Peval_str();
1.3 noro 64: void Pstrtoascii(), Pasciitostr();
1.5 noro 65: void Pstr_len(), Pstr_chr(), Psub_str();
1.1 noro 66:
67: struct ftab str_tab[] = {
68: {"rtostr",Prtostr,1},
69: {"strtov",Pstrtov,1},
70: {"eval_str",Peval_str,1},
1.3 noro 71: {"strtoascii",Pstrtoascii,1},
72: {"asciitostr",Pasciitostr,1},
1.5 noro 73: {"str_len",Pstr_len,1},
74: {"str_chr",Pstr_chr,3},
75: {"sub_str",Psub_str,3},
1.1 noro 76: {0,0,0},
77: };
1.5 noro 78:
79: void Pstr_len(arg,rp)
80: NODE arg;
81: Q *rp;
82: {
83: STRING str;
84: int r;
85:
86: str = (STRING)ARG0(arg);
87: asir_assert(str,O_STR,"str_chr");
88: r = strlen(BDY(str));
89: STOQ(r,*rp);
90: }
91:
92: void Pstr_chr(arg,rp)
93: NODE arg;
94: Q *rp;
95: {
96: STRING str,terminator;
97: Q start;
98: char *p,*ind;
99: int chr,spos,r;
100:
101: str = (STRING)ARG0(arg);
102: start = (Q)ARG1(arg);
103: terminator = (STRING)ARG2(arg);
104: asir_assert(str,O_STR,"str_chr");
105: asir_assert(start,O_N,"str_chr");
106: asir_assert(terminator,O_STR,"str_chr");
107: p = BDY(str);
108: spos = QTOS(start);
109: chr = BDY(terminator)[0];
1.8 noro 110: if ( spos > (int)strlen(p) )
1.5 noro 111: r = -1;
112: else {
113: ind = strchr(p+spos,chr);
114: if ( ind )
115: r = ind-p;
116: else
117: r = -1;
118: }
119: STOQ(r,*rp);
120: }
121:
122: void Psub_str(arg,rp)
123: NODE arg;
124: STRING *rp;
125: {
126: STRING str;
127: Q head,tail;
128: char *p,*r;
129: int spos,epos,len;
130:
131: str = (STRING)ARG0(arg);
132: head = (Q)ARG1(arg);
133: tail = (Q)ARG2(arg);
134: asir_assert(str,O_STR,"sub_str");
135: asir_assert(head,O_N,"sub_str");
136: asir_assert(tail,O_N,"sub_str");
137: p = BDY(str);
138: spos = QTOS(head);
139: epos = QTOS(tail);
140: len = strlen(p);
141: if ( (spos >= len) || (epos < spos) ) {
142: *rp = 0; return;
143: }
144: if ( epos >= len )
145: epos = len-1;
146: len = epos-spos+1;
147: r = (char *)MALLOC(len+1);
148: strncpy(r,p+spos,len);
149: r[len] = 0;
150: MKSTR(*rp,r);
151: }
1.3 noro 152:
153: void Pstrtoascii(arg,rp)
154: NODE arg;
155: LIST *rp;
156: {
157: STRING str;
158: unsigned char *p;
159: int len,i;
160: NODE n,n1;
161: Q q;
162:
163: str = (STRING)ARG0(arg);
164: asir_assert(str,O_STR,"strtoascii");
165: p = BDY(str);
166: len = strlen(p);
167: for ( i = len-1, n = 0; i >= 0; i-- ) {
168: UTOQ((unsigned int)p[i],q);
169: MKNODE(n1,q,n);
170: n = n1;
171: }
172: MKLIST(*rp,n);
173: }
174:
175: void Pasciitostr(arg,rp)
176: NODE arg;
177: STRING *rp;
178: {
179: LIST list;
180: unsigned char *p;
181: int len,i,j;
182: NODE n;
183: Q q;
184:
185: list = (LIST)ARG0(arg);
186: asir_assert(list,O_LIST,"asciitostr");
187: n = BDY(list);
188: len = length(n);
189: p = MALLOC_ATOMIC(len+1);
190: for ( i = 0; i < len; i++, n = NEXT(n) ) {
191: q = (Q)BDY(n);
192: asir_assert(q,O_N,"asciitostr");
193: j = QTOS(q);
1.4 noro 194: if ( j >= 256 || j <= 0 )
1.3 noro 195: error("asciitostr : argument out of range");
196: p[i] = j;
197: }
198: p[i] = 0;
199: MKSTR(*rp,(char *)p);
200: }
1.1 noro 201:
202: void Peval_str(arg,rp)
203: NODE arg;
204: Obj *rp;
205: {
206: FNODE fnode;
207: char *cmd;
1.10 ohara 208: #if defined(PARI)
1.8 noro 209: void recover(int);
210:
1.1 noro 211: recover(0);
1.11 saito 212: # if !(PARI_VERSION_CODE > 131588)
1.1 noro 213: if ( setjmp(environnement) ) {
214: avma = top; recover(1);
215: resetenv("");
216: }
1.11 saito 217: # endif
1.1 noro 218: #endif
219: cmd = BDY((STRING)ARG0(arg));
1.9 noro 220: exprparse_create_var(0,cmd,&fnode);
1.1 noro 221: *rp = eval(fnode);
222: }
223:
224: void Prtostr(arg,rp)
225: NODE arg;
226: STRING *rp;
227: {
228: char *b;
229: int len;
230:
1.2 noro 231: len = estimate_length(CO,ARG0(arg));
1.12 ! noro 232: b = (char *)MALLOC_ATOMIC(len+1);
1.1 noro 233: soutput_init(b);
234: sprintexpr(CO,ARG0(arg));
235: MKSTR(*rp,b);
236: }
237:
238: void Pstrtov(arg,rp)
239: NODE arg;
240: P *rp;
241: {
1.8 noro 242: char *p;
1.1 noro 243:
244: p = BDY((STRING)ARG0(arg));
245: #if 0
246: if ( !islower(*p) )
247: *rp = 0;
248: else {
249: for ( t = p+1; t && (isalnum(*t) || *t == '_'); t++ );
250: if ( *t )
251: *rp = 0;
252: else
253: makevar(p,rp);
254: }
255: #else
256: makevar(p,rp);
257: #endif
258: }
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