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/* This file is part of the software similarity tester SIM.
Written by Dick Grune, Vrije Universiteit, Amsterdam.
$Id: pass1.c,v 2.8 2007/08/27 09:57:32 dick Exp $
*/
#include <stdio.h>
#include <string.h>
#include "debug.par"
#include "sim.h"
#include "text.h"
#include "tokenarray.h"
#include "lex.h"
#include "error.h"
#include "pass1.h"
#ifdef DB_TEXT
static void db_print_text(const struct text *);
#endif
static void print_count(unsigned int cnt, const char *);
void
Pass1(int argc, char *argv[]) {
register int n;
InitText(argc);
InitTokenArray();
/* assume all texts to be new */
NumberOfNewTexts = NumberOfTexts;
/* read the files */
for (n = 0; n < NumberOfTexts; n++) {
register char *fname = argv[n];
register struct text *txt = &Text[n];
fprintf(OutputFile, "File %s: ", fname);
txt->tx_fname = fname;
txt->tx_pos = 0;
txt->tx_start =
txt->tx_limit = TextLength();
if (strcmp(fname, "/") == 0) {
fprintf(OutputFile, "separator\n");
NumberOfNewTexts = n;
}
else {
if (!OpenText(First, txt)) {
fprintf(OutputFile, ">>>> cannot open <<<< ");
/* the file has still been opened
with a null file for uniformity
*/
}
while (NextTextTokenObtained(First)) {
if (!TOKEN_EQ(lex_token, EOL)) {
StoreToken();
}
}
CloseText(First, txt);
txt->tx_limit = TextLength();
/* report */
print_count(txt->tx_limit - txt->tx_start, "token");
if (lex_non_ascii_cnt) {
fprintf(DebugFile, ", ");
print_count(lex_non_ascii_cnt,
"non-ASCII character"
);
}
fprintf(OutputFile, "\n");
#ifdef DB_TEXT
db_print_text(txt);
#endif /* DB_TEXT */
}
fflush(OutputFile);
}
/* report total */
fprintf(OutputFile, "Total: ");
print_count(TextLength() - 1, "token");
fprintf(OutputFile, "\n\n");
fflush(OutputFile);
}
static void
print_count(unsigned int cnt, const char *unit) {
/* Prints a grammatically correct string "%u %s[s]"
for units that form their plural by suffixing -s.
*/
fprintf(OutputFile, "%u %s%s", cnt, unit, (cnt == 1 ? "" : "s"));
}
#ifdef DB_TEXT
static void
db_print_text(const struct text *txt) {
/* prints a text (in compressed form) */
register int i;
fprintf(DebugFile, "\n\n**** DB_PRINT_TEXT ****\n");
fprintf(DebugFile, "File \"%s\", %u tokens, ",
txt->tx_fname, txt->tx_limit - txt->tx_start
);
fprintf(DebugFile, "txt->tx_start = %u, txt->tx_limit = %u\n",
txt->tx_start, txt->tx_limit
);
for (i = txt->tx_start; i < txt->tx_limit; i++) {
if ((i - txt->tx_start + 1) % 32 == 0) {
fprintf(DebugFile, "\n");
}
print_token(stdout, TokenArray[i]);
}
fprintf(DebugFile, "\n");
}
#endif /* DB_TEXT */
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