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[csv iterate] peek-reader iterate

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This commit is contained in:
John Kerl 2015-08-23 14:45:05 -04:00
parent 36ca7ccf2a
commit aeac9f97fa
2 changed files with 51 additions and 0 deletions
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31
c/input/peek_file_reader.c Normal file
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#include "lib/mlrutil.h"
#include "peek_file_reader.h"
// typedef struct _peek_file_reader_t {
// FILE* fp;
// int peekbuflen;
// char* peekbuf;
// int npeeked;
// } peek_file_reader_t;
int pfr_at_eof(peek_file_reader_t* pfr) {
return TRUE; // xxx stub
}
int pfr_next_is(peek_file_reader_t* pfr, char* string, int len) {
return FALSE; // xxx stub
}
char pfr_read_char(peek_file_reader_t* pfr) {
// xxx stub
return 'x';
}
void pfr_advance_past(peek_file_reader_t* pfr, char* string) {
// xxx stub
}
void pfr_close(peek_file_reader_t* pfr) {
fclose(pfr->fp);
pfr->fp = NULL;
}

20
c/input/peek_file_reader.h Normal file
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#ifndef PEEK_FILE_READER_H
#define PEEK_FILE_READER_H
#include <stdio.h>
typedef struct _peek_file_reader_t {
FILE* fp;
int peekbuflen;
char* peekbuf;
int npeeked;
} peek_file_reader_t;
// xxx needing contextual comments here.
int pfr_at_eof(peek_file_reader_t* pfr);
int pfr_next_is(peek_file_reader_t* pfr, char* string, int len);
char pfr_read_char(peek_file_reader_t* pfr);
void pfr_advance_past(peek_file_reader_t* pfr, char* string);
void pfr_close(peek_file_reader_t* pfr);
#endif // PEEK_FILE_READER_H