File: [local] / OpenXM / src / hgm / mh / src / sfile.c (download)
Revision 1.22, Mon Jun 6 04:39:30 2016 UTC (8 years ago) by takayama
Branch: MAIN
CVS Tags: HEAD Changes since 1.21: +2 -2
lines
Stop with an error when !isnormal(iv) (when the initial value is 0.)
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/*
$OpenXM: OpenXM/src/hgm/mh/src/sfile.c,v 1.22 2016/06/06 04:39:30 takayama Exp $
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "sfile.h"
#define SSIZE 5
int MH_DEBUG = 0;
static int isIntString(char s[]);
void mh_check_intr(int interval) {
static int intr=0;
if (intr >= interval) {
intr = 0;
#ifndef STANDALONE
R_CheckUserInterrupt();
#endif
}else intr++;
}
void *mh_malloc(int s) {
void *p;
static int total=0;
total += s;
if (MH_DEBUG) oxprintf("mh_malloc total allocated memory: %f M\n",(float)total/(float)(1024*1024));
#ifdef STANDALONE
p = (void*)malloc(s);
#else
p = (void *)R_alloc(1,s);
#endif
if (p == NULL) {
oxprintfe("No memory.\n"); mh_exit(-1);
}
return(p);
}
int mh_free(void *p) {
if (MH_DEBUG) oxprintf("mh_free at %p\n",p);
#ifdef STANDALONE
free(p); /* free in mh_free */
#endif
return(0);
}
int mh_exit(int n) {
#ifdef STANDALONE
static int standalone=0;
if (n == MH_RESET_EXIT) { standalone=1; return(0);}
if (standalone) exit(n);
else {
oxprintfe("Fatal error mh_exit(%d) in mh-w-n.\n",n);
return(n);
}
#else
error("Error in hgm. Exit from hgm by mh_exit(%d).\n",n);
#endif
}
struct SFILE *mh_fopen(char *name,char *mode,int byFile) {
struct SFILE *sfp;
sfp = (struct SFILE *)mh_malloc(sizeof(struct SFILE));
sfp->byFile=0; sfp->s=NULL; sfp->pt=0; sfp->len=0;sfp->limit=0; sfp->fp=NULL;
sfp->forRead=1; sfp->copied=0;
if (byFile) {
sfp->byFile = 1;
if (strcmp(name,"stdout")==0) {
sfp->fp = oxstdout;
}else if (strcmp(name,"stdin")==0) {
sfp->fp = oxstdin;
}else{
sfp->fp = fopen(name,mode);
}
if (sfp->fp == NULL) return(NULL);
else return(sfp);
}else if (strcmp(mode,"r")==0) {
sfp->byFile=0;
sfp->s=name;
sfp->pt=0;
sfp->len=strlen(name);
sfp->limit=sfp->len+1;
sfp->forRead=1;
return(sfp);
}else if (strcmp(mode,"w")==0) {
sfp->byFile=0;
sfp->s=(char *)mh_malloc(SSIZE);
sfp->s[0]=0;
sfp->pt=0;
sfp->len=0;
sfp->limit= SSIZE;
sfp->forRead=0;
return(sfp);
}else{
oxprintfe("Error: unknown mode %s in the string mode.\n",mode);
return NULL;
}
}
char *mh_fgets(char *str,int size,struct SFILE *sfp) {
int i,pt,len;
char *s;
if (sfp->byFile) return fgets(str,size,sfp->fp);
s = sfp->s; len = sfp->len; pt = sfp->pt;
if (s[pt] == 0) return NULL;
if (pt >= len) return NULL;
if (size != 0) str[0]=0;
for (i=0; i<size-1; i++) {
if (s[pt] != 0) {
str[i] = s[pt]; str[i+1] = 0;
pt++; sfp->pt = pt;
if (s[pt] == 0) return str;
if (pt >= len) return str;
if (str[i] == '\n') return str;
}
}
return str;
}
int mh_fputs(char *str,struct SFILE *sfp) {
int len,limit;
int inputLen;
char *s;
if (sfp->byFile) return fputs(str,sfp->fp);
s = sfp->s; len = sfp->len; limit=sfp->limit;
inputLen=strlen(str);
if (inputLen+len+1 > limit) {
limit = (inputLen+len+1)*2;
s = (char *) mh_malloc(limit);
if (s == NULL) return(EOF);
strcpy(s,sfp->s);
mh_free(sfp->s);
}
strcpy(&(s[len]),str);
len += inputLen;
/* oxprintf("mh_fputs(%d):[%s]\n",len,s); */
sfp->s=s; sfp->len=len; sfp->limit=limit;
return(0);
}
/* Note: copy the resulting string sfp->s before mh_fclose */
int mh_fclose(struct SFILE *sfp) {
if (!sfp) return(-1);
if (sfp->byFile) return fclose(sfp->fp);
if (! (sfp->forRead)) {
if (!sfp->copied) oxprintfe("Warning in mh_fclose. sfp->s has not been copied, but deallocated.\n");
if (sfp->s != NULL) { mh_free(sfp->s); sfp->s = NULL; }
}
mh_free(sfp);
return(0);
}
int mh_outstr(char *str,int size,struct SFILE *sfp) {
int i;
if (sfp->byFile) {
oxprintfe("Error in mh_outstr. mh_outstr is called in the file i/o mode.\n");
return 0;
}
if (size) str[0] = 0;
for (i = 0; (i<size-1) && (i<sfp->len); i++) {
str[i] = (sfp->s)[i]; str[i+1] = 0;
}
sfp->copied=1;
return(i);
}
void mh_error(char *s,int code) {
oxprintfe("Error: %s\n",s);
mh_exit(code);
}
struct mh_token mh_getoken(char s[],int smax,struct SFILE *sfp) {
static int w0=0;
static int wn=0;
static char work[MH_SSIZE];
char *r;
int t,t2;
struct mh_token token;
token.type = MH_TOKEN_EOF;
token.ival=0; token.dval=0.0;
while (1) {
if (w0 >= wn) {
r = mh_fgets(work,MH_SSIZE-1,sfp);
if (r == NULL) {
token.type = MH_TOKEN_EOF;
return token;
}
/* oxprintf("work=%s\n",work); */
w0 = 0; wn=strlen(work);
}
t=w0;
while ((work[t] <= ' ') && (t < wn)) t++;
if (t == wn) {
w0=wn;
continue;
}
if (work[t] == ',') {w0=t+1; continue; }
t2 = t;
while((work[t2] > ' ') && (work[t2] != '=')
&& (work[t2] != ',')) t2++;
/* work[t] ... work[t2-1] is a token */
/* %abc=123#comment is not allowed. but %abc=123,# or %abc=123 # is OK. */
if ((t == t2) && (work[t] == '=')) {
token.type=MH_TOKEN_EQ;
w0=t2+1;
return token;
}
if ((work[t] == '%') && (work[t+1] == '%')) {
/* comment */
w0 =wn;
continue;
}
if (work[t] == '#') {
/* comment */
w0=wn;
continue;
}
if (work[t] == '%') {
if (t2-t-2 >= smax) {
oxprintfe("s is too small in mh_getoken.\n");
mh_exit(-1);
}
strncpy(s,&(work[t+1]),t2-(t+1)); s[t2-(t+1)] = 0;
token.type=MH_TOKEN_ID;
w0 = t2;
return token;
}
/* The case of double or int */
strncpy(s,&(work[t]),t2-t); s[t2-t]=0;
if (isIntString(s)) {
token.type=MH_TOKEN_INT;
sscanf(s,"%d",&(token.ival));
sscanf(s,"%lg",&(token.dval));
}else{
token.type=MH_TOKEN_DOUBLE;
sscanf(s,"%lg",&(token.dval));
}
w0 = t2;
return token;
}
}
static int isIntString(char s[]) {
int i;
for (i=0; i<strlen(s); i++) {
if (isdigit(s[i]) || (s[i]=='-')) continue;
else return(0);
}
return(1);
}
void mh_print_token(struct mh_token tk,char *s) {
int type;
type = tk.type;
oxprintf("type=%d\n",type);
switch(type) {
case MH_TOKEN_ID:
oxprintf("ID=%s\n",s); break;
case MH_TOKEN_EQ:
oxprintf("MH_TOKEN_EQ\n"); break;
default:
oxprintf("NUM=%s, ival=%d, dval=%lg\n",s,tk.ival,tk.dval); break;
}
}
#ifdef TEST
/* for debugging */
dump(struct SFILE *sfp) {
oxprintf("byFile=%d\n",sfp->byFile);
if (sfp->s) oxprintf("sfp->s=%s\n",sfp->s);
oxprintf("pt=%d\n",sfp->pt);
oxprintf("len=%d\n",sfp->len);
oxprintf("limit=%d\n",sfp->limit);
oxprintf("fp=%p\n",sfp->fp);
}
#define TESTSIZE 1024
main() {
struct SFILE *sfp;
char str[TESTSIZE];
int i;
struct mh_token tk;
sfp = mh_fopen("%%abc\n%abs=1.234\n %abs = \n 1.235\n%abs=\n1.236\n\n%abs=1.237\n%ival=-234,#comment\n","r",0);
while ((tk=mh_getoken(str,TESTSIZE,sfp)).type != MH_TOKEN_EOF) {
mh_print_token(tk,str);
}
return 0;
/*
sfp = mh_fopen("hoge\nafo\nbho\ncat\ndot\ndolphin\n","r",0);
while (mh_fgets(str,1024,sfp)) {
oxprintf(str);
}
mh_fclose(sfp);
sfp = mh_fopen("sfile.h","r",1);
while (mh_fgets(str,1024,sfp)) {
oxprintf(str);
}
mh_fclose(sfp);
*/
sfp = mh_fopen("","w",0);
for (i=0; i<3; i++) {
mh_fputs("hoge\n",sfp);
mh_fputs("hage\n",sfp);
dump(sfp);
}
mh_fputs("end end\n",sfp);
oxprintf("result=%s\n",sfp->s);
mh_outstr(str,TESTSIZE,sfp);
mh_fclose(sfp);
}
#endif