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f3.c
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f3.c
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/* modification of matread but operating on words instead of floats */
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include "f3.h"
w_c *crea_wc(unsigned initsz)
{
w_c *wc=malloc(sizeof(w_c));
wc->lp1=initsz;
wc->w=malloc(wc->lp1*sizeof(char));
return wc;
}
void reall_wc(w_c **wc, unsigned *cbuf)
{
w_c *twc=*wc;
unsigned tcbuf=*cbuf;
tcbuf += CBUF;
twc->lp1=tcbuf;
twc->w=realloc(twc->w, tcbuf*sizeof(char));
*wc=twc; /* realloc can often change the ptr */
*cbuf=tcbuf;
return;
}
void norm_wc(w_c **wc)
{
w_c *twc=*wc;
twc->w=realloc(twc->w, twc->lp1*sizeof(char));
*wc=twc; /* realloc can often change the ptr */
return;
}
void free_wc(w_c **wc)
{
w_c *twc=*wc;
free(twc->w);
free(twc);
return;
}
aw_c *crea_awc(unsigned initsz)
{
int i;
aw_c *awc=malloc(sizeof(aw_c));
awc->ab=initsz;
awc->al=awc->ab;
awc->aw=malloc(awc->ab*sizeof(w_c*));
for(i=0;i<awc->ab;++i)
awc->aw[i]=crea_wc(CBUF);
return awc;
}
void reall_awc(aw_c **awc, unsigned buf)
{
int i;
aw_c *tawc=*awc;
tawc->ab += buf;
tawc->al=tawc->ab;
tawc->aw=realloc(tawc->aw, tawc->ab*sizeof(aw_c*));
for(i=tawc->ab-buf;i<tawc->ab;++i)
tawc->aw[i]=crea_wc(CBUF);
*awc=tawc;
return;
}
void norm_awc(aw_c **awc)
{
int i;
aw_c *tawc=*awc;
/* free the individual w_c's */
for(i=tawc->al;i<tawc->ab;++i)
free_wc(tawc->aw+i);
/* now release the pointers to those freed w_c's */
tawc->aw=realloc(tawc->aw, tawc->al*sizeof(aw_c*));
*awc=tawc;
return;
}
void free_awc(aw_c **awc)
{
int i;
aw_c *tawc=*awc;
for(i=0;i<tawc->al;++i)
free_wc(tawc->aw+i);
free(tawc->aw); /* unbelieveable: I left this out, couldn't find where I leaking the memory! */
free(tawc);
return;
}
aaw_c *crea_aawc(unsigned initsz)
{
int i;
unsigned lbuf=initsz;
aaw_c *aawc=malloc(sizeof(aaw_c));
aawc->numl=0;
aawc->aaw=malloc(lbuf*sizeof(aw_c*));
for(i=0;i<initsz;++i)
aawc->aaw[i]=crea_awc(WABUF);
return aawc;
}
void free_aawc(aaw_c **aw)
{
int i;
aaw_c *taw=*aw;
for(i=0;i<taw->numl;++i) /* tried to release 1 more, no go */
free_awc(taw->aaw+i);
free(taw->aaw);
free(taw);
}
void prtaawcplain(aaw_c *aawc) /* print line and word details, but not the words themselves */
{
int i, j;
for(i=0;i<aawc->numl;++i) {
printf("L%u#W%u:", i, aawc->aaw[i]->al);
for(j=0;j<aawc->aaw[i]->al;++j)
printf((j!=aawc->aaw[i]->al-1)?"%s ":"%s\n", aawc->aaw[i]->aw[j]->w);
}
}
aaw_c *processinpf(char *fname)
{
/* declarations */
FILE *fp=fopen(fname,"r");
int i;
size_t couc=0 /*count chars per line */, couw=0 /* count words */;
int c, oldc='\n';
boole inword=0;
boole intitle=0;
unsigned lbuf=LBUF /* buffer for number of lines */, cbuf=CBUF /* char buffer for size of w_c's: reused for every word */;
aaw_c *aawc=crea_aawc(lbuf); /* array of words per line */
while( (c=fgetc(fp)) != EOF) {
printf("%c:%i:%i|", (c=='\n')?'X':(c==' ')?'Z':c, inword, intitle);
if( !intitle & (c=='>') & (oldc== '\n')) {
if( inword==1) { /* cue word-ending procedure */
aawc->aaw[aawc->numl]->aw[couw]->w[couc++]='\0';
aawc->aaw[aawc->numl]->aw[couw]->lp1=couc;
norm_wc(aawc->aaw[aawc->numl]->aw+couw);
couw++; /* verified: this has to be here */
}
if(aawc->numl ==lbuf-1) {
lbuf += LBUF;
aawc->aaw=realloc(aawc->aaw, lbuf*sizeof(aw_c*));
for(i=lbuf-LBUF; i<lbuf; ++i)
aawc->aaw[i]=crea_awc(WABUF);
}
aawc->aaw[aawc->numl]->al=couw;
norm_awc(aawc->aaw+aawc->numl);
aawc->numl++;
inword=1;
intitle=1;
}
if( intitle & ((c == ' ') | (c == '\t'))) {
if( inword==1) { /* cue word-ending procedure */
aawc->aaw[aawc->numl]->aw[couw]->w[couc++]='\0';
aawc->aaw[aawc->numl]->aw[couw]->lp1=couc;
norm_wc(aawc->aaw[aawc->numl]->aw+couw);
couw++; /* verified: this has to be here */
}
inword=0;
} else if(intitle & (inword==0)) { /* a normal character arrives so open word */
if(couw ==aawc->aaw[aawc->numl]->ab-1) /* new word opening */
reall_awc(aawc->aaw+aawc->numl, WABUF);
couc=0;
cbuf=CBUF;
aawc->aaw[aawc->numl]->aw[couw]->w[couc++]=c;
inword=1;
} else if(inword) { /* simply store */
if(couc == cbuf-1)
reall_wc(aawc->aaw[aawc->numl]->aw+couw, &cbuf);
aawc->aaw[aawc->numl]->aw[couw]->w[couc++]=c;
}
printf("%c:%i:%i ", (c=='\n')?'X':(c==' ')?'Z':c, inword, intitle);
oldc=c;
} /* end of big for statement */
putchar('\n');
fclose(fp);
/* normalization stage */
for(i=aawc->numl; i<lbuf; ++i) {
free_awc(aawc->aaw+i);
}
aawc->aaw=realloc(aawc->aaw, aawc->numl*sizeof(aw_c*));
return aawc;
}
int main(int argc, char *argv[])
{
/* argument accounting */
if(argc!=2) {
printf("Error. Pls supply argument (name of text file).\n");
exit(EXIT_FAILURE);
}
aaw_c *aawc=processinpf(argv[1]);
prtaawcplain(aawc); // printout original text as well as you can.
free_aawc(&aawc);
return 0;
}