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#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <alloc.h>
#include <dynarr.h>
#include <errors.h>
#include <macros.h>
#include <mbstring.h>
#include <rune.h>
#include <unicode/string.h>
#define TESTFILE "norm-nfd.in"
static bool test(struct u8view, int);
int
main(int, char **argv)
{
int rv;
size_t n;
ssize_t nr;
char *line;
FILE *fp;
rv = EXIT_SUCCESS;
line = nullptr;
mlib_setprogname(argv[0]);
if ((fp = fopen(TESTFILE, "r")) == nullptr)
err("fopen: %s:", TESTFILE);
for (int id = 1; (nr = getline(&line, &n, fp)) > 0; id++) {
if (line[nr - 1] == '\n')
line[--nr] = '\0';
if (!test((struct u8view){line, (size_t)nr}, id)) {
rv = EXIT_FAILURE;
break;
}
}
if (ferror(fp))
err("getline: %s:", TESTFILE);
free(line);
fclose(fp);
return rv;
}
bool
test(struct u8view sv, int id)
{
bool rv = true;
arena a = mkarena(0);
struct arena_ctx ctx = {.a = &a};
dynarr(struct u8view) columns = {
.alloc = alloc_arena,
.ctx = &ctx,
};
struct u8view column;
while (ucscut(&column, &sv, U";", 1) != MBEND) {
dynarr(char8_t) s = {
.alloc = alloc_arena,
.ctx = &ctx,
};
rune _;
struct u8view cp;
do {
rune ch;
_ = ucscut(&cp, &column, U" ", 1);
sscanf(cp.p, "%" SCNxRUNE, &ch);
char8_t buf[U8_LEN_MAX];
int w = rtoucs(buf, sizeof(buf), ch);
DAEXTEND(&s, buf, w);
} while (_ != MBEND);
DAPUSH(&columns, ((struct u8view){s.buf, s.len}));
}
for (size_t i = 0; i < 5; i++) {
size_t base = i < 3 ? 2 : 4;
struct u8view normd = {};
normd.p = ucsnorm_nfd(&normd.len, columns.buf[i], alloc_arena, &ctx);
if (!ucseq(columns.buf[base], normd)) {
warn("case %d: expected c%zu to be ‘%.*s’ but got ‘%.*s’", id,
i + 1, SV_PRI_ARGS(columns.buf[base]), SV_PRI_ARGS(normd));
rv = false;
goto out;
}
}
out:
arena_free(&a);
return rv;
}
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