static int read_file_pfr_psb(char* filename, int do_write) {
byte_reader_t* pbr = stdio_byte_reader_alloc();
string_builder_t* psb = sb_alloc(STRING_BUILDER_INIT_SIZE);
pbr->popen_func(pbr, NULL, filename);
peek_file_reader_t* pfr = pfr_alloc(pbr, PEEK_BUF_LEN);
parse_trie_t* ptrie = parse_trie_alloc();
parse_trie_add_string(ptrie, "\n", IRS_STRIDX);
parse_trie_add_string(ptrie, "\xff", EOF_STRIDX);
parse_trie_add_string(ptrie, "\n\xff", IRSEOF_STRIDX);
int bc = 0;
while (TRUE) {
char* line = read_line_pfr_psb(pfr, psb, ptrie);
if (line == NULL)
break;
if (do_write) {
fputs(line, stdout);
fputc('\n', stdout);
}
bc += strlen(line);
free(line);
}
sb_free(psb);
pbr->pclose_func(pbr, NULL);
return bc;
}
static int read_file_pfr_psb(char* filename) {
FILE* fp = fopen_or_die(filename);
char* irs = "\n";
int irs_len = strlen(irs);
peek_file_reader_t* pfr = pfr_alloc(fp, PEEK_BUF_LEN);
string_builder_t sb;
string_builder_t* psb = &sb;
sb_init(&sb, STRING_BUILDER_INIT_SIZE);
int bc = 0;
while (TRUE) {
char* line = read_line_pfr_psb(pfr, psb, irs, irs_len);
if (line == NULL)
break;
bc += strlen(line);
}
fclose(fp);
return bc;
}
