File: [local] / OpenXM_contrib2 / asir2000 / builtin / strobj.c (download)
Revision 1.13, Thu Feb 26 10:07:55 2004 UTC (20 years, 3 months ago) by noro
Branch: MAIN
Changes since 1.12: +90 -1
lines
Added open_textbuffer(), close_textbuffer(), write_to_textbuffer(),
textbuffer_to_string().
|
/*
* 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/asir2000/builtin/strobj.c,v 1.13 2004/02/26 10:07:55 noro Exp $
*/
#include "ca.h"
#include "parse.h"
#include "ctype.h"
#if defined(PARI)
#include "genpari.h"
# if !(PARI_VERSION_CODE > 131588)
extern jmp_buf environnement;
# endif
#endif
#include <string.h>
extern char *parse_strp;
void Prtostr(), Pstrtov(), Peval_str();
void Pstrtoascii(), Pasciitostr();
void Pstr_len(), Pstr_chr(), Psub_str();
void Popen_textbuffer();
void Pclose_textbuffer();
void Pwrite_to_textbuffer();
void Ptextbuffer_to_string();
struct ftab str_tab[] = {
{"rtostr",Prtostr,1},
{"strtov",Pstrtov,1},
{"eval_str",Peval_str,1},
{"strtoascii",Pstrtoascii,1},
{"asciitostr",Pasciitostr,1},
{"str_len",Pstr_len,1},
{"str_chr",Pstr_chr,3},
{"sub_str",Psub_str,3},
{"open_textbuffer",Popen_textbuffer,0},
{"close_textbuffer",Pclose_textbuffer,1},
{"write_to_textbuffer",Pwrite_to_textbuffer,2},
{"textbuffer_to_string",Ptextbuffer_to_string,1},
{0,0,0},
};
typedef struct oAsirTextBuffer {
int size,next;
char **body;
} *AsirTextBuffer;
static AsirTextBuffer *TBArray;
static int TBArrayLen;
void Popen_textbuffer(Q *rp)
{
int i;
AsirTextBuffer tb;
if ( !TBArray ) {
TBArrayLen = 256;
TBArray = (AsirTextBuffer *)MALLOC(TBArrayLen*sizeof(AsirTextBuffer));
}
for ( i = 0; i < TBArrayLen; i++ )
if ( !TBArray[i] ) break;
if ( i == TBArrayLen ) {
TBArrayLen *= 2;
TBArray = (AsirTextBuffer *)REALLOC(TBArray,
TBArrayLen*sizeof(AsirTextBuffer));
}
TBArray[i] = tb = (AsirTextBuffer)MALLOC(sizeof(struct oAsirTextBuffer));
tb->size = 256;
tb->next = 0;
tb->body = (char **)MALLOC(tb->size*sizeof(char *));
STOQ(i,*rp);
}
void Pclose_textbuffer(NODE arg,Q *rp)
{
int i;
i = QTOS((Q)ARG0(arg));
if ( i >= 0 && i < TBArrayLen )
TBArray[i] = 0;
else
error("close_textbuffer : invalid argument");
*rp = 0;
}
void Pwrite_to_textbuffer(NODE arg,Q *rp)
{
int i;
AsirTextBuffer tb;
i = QTOS((Q)ARG0(arg));
if ( i >= 0 && i < TBArrayLen && (tb = TBArray[i])) {
if ( tb->next == tb->size ) {
tb->size *= 2;
tb->body = (char **)REALLOC(tb->body,tb->size*sizeof(char *));
}
tb->body[tb->next] = BDY((STRING)ARG1(arg));
tb->next++;
} else
error("write_to_textbuffer : invalid argument");
*rp = 0;
}
void Ptextbuffer_to_string(NODE arg,STRING *rp)
{
int i,j,len;
AsirTextBuffer tb;
char *all,*p,*q;
i = QTOS((Q)ARG0(arg));
if ( i >= 0 && i < TBArrayLen && (tb = TBArray[i])) {
tb = TBArray[i];
for ( j = 0, len = 0; j < tb->next; j++ )
len += strlen(tb->body[j]);
all = (char *)MALLOC_ATOMIC((len+1)*sizeof(char));
for ( j = 0, p = all; j < tb->next; j++ )
for ( q = tb->body[j]; *q; *p++ = *q++ );
*p = 0;
MKSTR(*rp,all);
} else
error("textbuffer_to_string : invalid argument");
}
void Pstr_len(arg,rp)
NODE arg;
Q *rp;
{
STRING str;
int r;
str = (STRING)ARG0(arg);
asir_assert(str,O_STR,"str_chr");
r = strlen(BDY(str));
STOQ(r,*rp);
}
void Pstr_chr(arg,rp)
NODE arg;
Q *rp;
{
STRING str,terminator;
Q start;
char *p,*ind;
int chr,spos,r;
str = (STRING)ARG0(arg);
start = (Q)ARG1(arg);
terminator = (STRING)ARG2(arg);
asir_assert(str,O_STR,"str_chr");
asir_assert(start,O_N,"str_chr");
asir_assert(terminator,O_STR,"str_chr");
p = BDY(str);
spos = QTOS(start);
chr = BDY(terminator)[0];
if ( spos > (int)strlen(p) )
r = -1;
else {
ind = strchr(p+spos,chr);
if ( ind )
r = ind-p;
else
r = -1;
}
STOQ(r,*rp);
}
void Psub_str(arg,rp)
NODE arg;
STRING *rp;
{
STRING str;
Q head,tail;
char *p,*r;
int spos,epos,len;
str = (STRING)ARG0(arg);
head = (Q)ARG1(arg);
tail = (Q)ARG2(arg);
asir_assert(str,O_STR,"sub_str");
asir_assert(head,O_N,"sub_str");
asir_assert(tail,O_N,"sub_str");
p = BDY(str);
spos = QTOS(head);
epos = QTOS(tail);
len = strlen(p);
if ( (spos >= len) || (epos < spos) ) {
*rp = 0; return;
}
if ( epos >= len )
epos = len-1;
len = epos-spos+1;
r = (char *)MALLOC(len+1);
strncpy(r,p+spos,len);
r[len] = 0;
MKSTR(*rp,r);
}
void Pstrtoascii(arg,rp)
NODE arg;
LIST *rp;
{
STRING str;
unsigned char *p;
int len,i;
NODE n,n1;
Q q;
str = (STRING)ARG0(arg);
asir_assert(str,O_STR,"strtoascii");
p = BDY(str);
len = strlen(p);
for ( i = len-1, n = 0; i >= 0; i-- ) {
UTOQ((unsigned int)p[i],q);
MKNODE(n1,q,n);
n = n1;
}
MKLIST(*rp,n);
}
void Pasciitostr(arg,rp)
NODE arg;
STRING *rp;
{
LIST list;
unsigned char *p;
int len,i,j;
NODE n;
Q q;
list = (LIST)ARG0(arg);
asir_assert(list,O_LIST,"asciitostr");
n = BDY(list);
len = length(n);
p = MALLOC_ATOMIC(len+1);
for ( i = 0; i < len; i++, n = NEXT(n) ) {
q = (Q)BDY(n);
asir_assert(q,O_N,"asciitostr");
j = QTOS(q);
if ( j >= 256 || j <= 0 )
error("asciitostr : argument out of range");
p[i] = j;
}
p[i] = 0;
MKSTR(*rp,(char *)p);
}
void Peval_str(arg,rp)
NODE arg;
Obj *rp;
{
FNODE fnode;
char *cmd;
#if defined(PARI)
void recover(int);
recover(0);
# if !(PARI_VERSION_CODE > 131588)
if ( setjmp(environnement) ) {
avma = top; recover(1);
resetenv("");
}
# endif
#endif
cmd = BDY((STRING)ARG0(arg));
exprparse_create_var(0,cmd,&fnode);
*rp = eval(fnode);
}
void Prtostr(arg,rp)
NODE arg;
STRING *rp;
{
char *b;
int len;
len = estimate_length(CO,ARG0(arg));
b = (char *)MALLOC_ATOMIC(len+1);
soutput_init(b);
sprintexpr(CO,ARG0(arg));
MKSTR(*rp,b);
}
void Pstrtov(arg,rp)
NODE arg;
P *rp;
{
char *p;
p = BDY((STRING)ARG0(arg));
#if 0
if ( !islower(*p) )
*rp = 0;
else {
for ( t = p+1; t && (isalnum(*t) || *t == '_'); t++ );
if ( *t )
*rp = 0;
else
makevar(p,rp);
}
#else
makevar(p,rp);
#endif
}