void mget_css_parse_file(
const char *fname,
void(*callback_uri)(void *user_ctx, const char *url, size_t len, size_t pos),
void(*callback_encoding)(void *user_ctx, const char *url, size_t len),
void *user_ctx)
{
int fd;
if (strcmp(fname,"-")) {
if ((fd = open(fname, O_RDONLY)) != -1) {
struct stat st;
if (fstat(fd, &st) == 0) {
#ifdef HAVE_MMAP
size_t nread = st.st_size;
char *buf = mmap(NULL, nread + 1, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
#else
char *buf=xmalloc(st.st_size+1);
size_t nread=read(fd,buf,st.st_size);
#endif
if (nread > 0) {
buf[nread] = 0; // PROT_WRITE allows this write, MAP_PRIVATE prevents changes in underlying file system
mget_css_parse_buffer(buf, callback_uri, callback_encoding, user_ctx);
}
#ifdef HAVE_MMAP
munmap(buf, nread);
#else
xfree(buf);
#endif
}
close(fd);
} else
error_printf(_("Failed to open %s\n"), fname);
} else {
// read data from STDIN.
// maybe should use yy_scan_bytes instead of buffering into memory.
char tmp[4096];
ssize_t nbytes;
mget_buffer_t *buf = mget_buffer_alloc(4096);
while ((nbytes = read(STDIN_FILENO, tmp, sizeof(tmp))) > 0) {
mget_buffer_memcat(buf, tmp, nbytes);
}
if (buf->length)
mget_css_parse_buffer(buf->data, callback_uri, callback_encoding, user_ctx);
mget_buffer_free(&buf);
}
}
void mget_buffer_deinit(mget_buffer_t *buf)
{
mget_buffer_free(&buf);
}
static void test_buffer(void)
{
char sbuf[16];
mget_buffer_t buf, *bufp;
// testing buffer on stack, using initial stack memory
// without resizing
mget_buffer_init(&buf, sbuf, sizeof(sbuf));
mget_buffer_deinit(&buf);
// testing buffer on stack, using initial stack memory
// with resizing
mget_buffer_init(&buf, sbuf, sizeof(sbuf));
_test_buffer(&buf, "Test 1");
mget_buffer_deinit(&buf);
// testing buffer on stack, using initial heap memory
// without resizing
mget_buffer_init(&buf, NULL, 16);
mget_buffer_deinit(&buf);
// testing buffer on stack, using initial heap memory
// with resizing
mget_buffer_init(&buf, NULL, 16);
_test_buffer(&buf, "Test 2");
mget_buffer_deinit(&buf);
// testing buffer on heap, using initial stack memory
// without resizing
bufp = mget_buffer_init(NULL, sbuf, sizeof(sbuf));
mget_buffer_deinit(bufp);
bufp = mget_buffer_init(NULL, sbuf, sizeof(sbuf));
mget_buffer_free(&bufp);
// testing buffer on heap, using initial stack memory
// with resizing
bufp = mget_buffer_init(NULL, sbuf, sizeof(sbuf));
_test_buffer(bufp, "Test 3");
mget_buffer_deinit(bufp);
bufp = mget_buffer_init(NULL, sbuf, sizeof(sbuf));
_test_buffer(bufp, "Test 4");
mget_buffer_free(&bufp);
// testing buffer on heap, using initial heap memory
// without resizing
bufp = mget_buffer_alloc(16);
mget_buffer_free(&bufp);
// testing buffer on heap, using initial heap memory
// with resizing
bufp = mget_buffer_alloc(16);
_test_buffer(bufp, "Test 5");
mget_buffer_free(&bufp);
// check that appending works
mget_buffer_init(&buf, sbuf, sizeof(sbuf));
mget_buffer_strcpy(&buf, "A");
mget_buffer_strcat(&buf, "B");
mget_buffer_memcat(&buf, "C", 1);
mget_buffer_memset_append(&buf, 'D', 1);
mget_buffer_printf_append2(&buf, "%s", "E");
if (!strcmp(buf.data, "ABCDE"))
ok++;
else {
failed++;
info_printf("test_buffer.append: got %s (expected %s)\n", buf.data, "ABCDE");
}
mget_buffer_deinit(&buf);
// test mget_buffer_trim()
mget_buffer_init(&buf, sbuf, sizeof(sbuf));
for (int mid_ws = 0; mid_ws <= 2; mid_ws++) {
char expected[16];
snprintf(expected, sizeof(expected), "x%.*sy", mid_ws, " ");
for (int lead_ws = 0; lead_ws <= 2; lead_ws++) {
for (int trail_ws = 0; trail_ws <= 2; trail_ws++) {
mget_buffer_printf2(&buf, "%.*sx%.*sy%.*s", lead_ws, " ", mid_ws, " ", trail_ws, " ");
mget_buffer_trim(&buf);
if (!strcmp(buf.data, expected))
ok++;
else {
failed++;
info_printf("test_buffer_trim: got '%s' (expected '%s') (%d, %d, %d)\n", buf.data, expected, lead_ws, mid_ws, trail_ws);
}
}
}
}
mget_buffer_deinit(&buf);
}
static void test_iri_relative_to_absolute(void)
{
static const struct iri_test_data {
const char
*base,
*relative,
*result;
} test_data[] = {
#define H1 "http://x.tld"
{ H1, "", H1"/" },
{ H1, ".", H1"/" },
{ H1, "./", H1"/" },
{ H1, "..", H1"/" },
{ H1, "../", H1"/" },
{ H1, "foo", H1"/foo" },
{ H1, "foo/bar", H1"/foo/bar" },
{ H1, "foo///bar", H1"/foo/bar" },
{ H1, "foo/.", H1"/foo/" },
{ H1, "foo/./", H1"/foo/" },
{ H1, "foo./", H1"/foo./" },
{ H1, "foo/../bar", H1"/bar" },
{ H1, "foo/../bar/", H1"/bar/" },
{ H1, "foo/bar/..", H1"/foo/" },
{ H1, "foo/bar/../x", H1"/foo/x" },
{ H1, "foo/bar/../x/", H1"/foo/x/" },
{ H1, "foo/..", H1"/" },
{ H1, "foo/../..", H1"/" },
{ H1, "foo/../../..", H1"/" },
{ H1, "foo/../../bar/../../baz", H1"/baz" },
{ H1, "a/b/../../c", H1"/c" },
{ H1, "./a/../b", H1"/b" },
{ H1, "/", H1"/" },
{ H1, "/.", H1"/" },
{ H1, "/./", H1"/" },
{ H1, "/..", H1"/" },
{ H1, "/../", H1"/" },
{ H1, "/foo", H1"/foo" },
{ H1, "/foo/bar", H1"/foo/bar" },
{ H1, "/foo///bar", H1"/foo/bar" },
{ H1, "/foo/.", H1"/foo/" },
{ H1, "/foo/./", H1"/foo/" },
{ H1, "/foo./", H1"/foo./" },
{ H1, "/foo/../bar", H1"/bar" },
{ H1, "/foo/../bar/", H1"/bar/" },
{ H1, "/foo/bar/..", H1"/foo/" },
{ H1, "/foo/bar/../x", H1"/foo/x" },
{ H1, "/foo/bar/../x/", H1"/foo/x/" },
{ H1, "/foo/..", H1"/" },
{ H1, "/foo/../..", H1"/" },
{ H1, "/foo/../../..", H1"/" },
{ H1, "/foo/../../bar/../../baz", H1"/baz" },
{ H1, "/a/b/../../c", H1"/c" },
{ H1, "/./a/../b", H1"/b" },
{ H1, ".x", H1"/.x" },
{ H1, "..x", H1"/..x" },
{ H1, "foo/.x", H1"/foo/.x" },
{ H1, "foo/bar/.x", H1"/foo/bar/.x" },
{ H1, "foo/..x", H1"/foo/..x" },
{ H1, "foo/bar/..x", H1"/foo/bar/..x" },
{ H1, "/x.php?y=ftp://example.com/&z=1_2", H1"/x.php?y=ftp://example.com/&z=1_2" },
{ H1, "//x.y.com/", "http://x.y.com/" },
{ H1, "http://x.y.com/", "http://x.y.com/" },
// { H1, "site;sub:.html", H1"/site;sub:.html" },
#undef H1
#define H1 "http://x.tld/"
{ H1, "", H1"" },
{ H1, ".", H1"" },
{ H1, "./", H1"" },
{ H1, "..", H1"" },
{ H1, "../", H1"" },
{ H1, "foo", H1"foo" },
{ H1, "foo/bar", H1"foo/bar" },
{ H1, "foo///bar", H1"foo/bar" },
{ H1, "foo/.", H1"foo/" },
{ H1, "foo/./", H1"foo/" },
{ H1, "foo./", H1"foo./" },
{ H1, "foo/../bar", H1"bar" },
{ H1, "foo/../bar/", H1"bar/" },
{ H1, "foo/bar/..", H1"foo/" },
{ H1, "foo/bar/../x", H1"foo/x" },
{ H1, "foo/bar/../x/", H1"foo/x/" },
{ H1, "foo/..", H1"" },
{ H1, "foo/../..", H1"" },
{ H1, "foo/../../..", H1"" },
{ H1, "foo/../../bar/../../baz", H1"baz" },
{ H1, "a/b/../../c", H1"c" },
{ H1, "./a/../b", H1"b" },
{ H1, "/", H1"" },
{ H1, "/.", H1"" },
{ H1, "/./", H1"" },
{ H1, "/..", H1"" },
{ H1, "/../", H1"" },
{ H1, "/foo", H1"foo" },
{ H1, "/foo/bar", H1"foo/bar" },
{ H1, "/foo///bar", H1"foo/bar" },
{ H1, "/foo/.", H1"foo/" },
{ H1, "/foo/./", H1"foo/" },
{ H1, "/foo./", H1"foo./" },
{ H1, "/foo/../bar", H1"bar" },
{ H1, "/foo/../bar/", H1"bar/" },
{ H1, "/foo/bar/..", H1"foo/" },
{ H1, "/foo/bar/../x", H1"foo/x" },
{ H1, "/foo/bar/../x/", H1"foo/x/" },
{ H1, "/foo/..", H1"" },
{ H1, "/foo/../..", H1"" },
{ H1, "/foo/../../..", H1"" },
{ H1, "/foo/../../bar/../../baz", H1"baz" },
{ H1, "/a/b/../../c", H1"c" },
{ H1, "/./a/../b", H1"b" },
{ H1, ".x", H1".x" },
{ H1, "..x", H1"..x" },
{ H1, "foo/.x", H1"foo/.x" },
{ H1, "foo/bar/.x", H1"foo/bar/.x" },
{ H1, "foo/..x", H1"foo/..x" },
{ H1, "foo/bar/..x", H1"foo/bar/..x" },
{ H1, "/x.php?y=ftp://example.com/&z=1_2", H1"x.php?y=ftp://example.com/&z=1_2" },
{ H1, "//x.y.com/", "http://x.y.com/" },
{ H1, "http://x.y.com/", "http://x.y.com/" },
#undef H1
#define H1 "http://x.tld/file"
#define R1 "http://x.tld/"
{ H1, "", R1"" },
{ H1, ".", R1"" },
{ H1, "./", R1"" },
{ H1, "..", R1"" },
{ H1, "../", R1"" },
{ H1, "foo", R1"foo" },
{ H1, "foo/bar", R1"foo/bar" },
{ H1, "foo///bar", R1"foo/bar" },
{ H1, "foo/.", R1"foo/" },
{ H1, "foo/./", R1"foo/" },
{ H1, "foo./", R1"foo./" },
{ H1, "foo/../bar", R1"bar" },
{ H1, "foo/../bar/", R1"bar/" },
{ H1, "foo/bar/..", R1"foo/" },
{ H1, "foo/bar/../x", R1"foo/x" },
{ H1, "foo/bar/../x/", R1"foo/x/" },
{ H1, "foo/..", R1"" },
{ H1, "foo/../..", R1"" },
{ H1, "foo/../../..", R1"" },
{ H1, "foo/../../bar/../../baz", R1"baz" },
{ H1, "a/b/../../c", R1"c" },
{ H1, "./a/../b", R1"b" },
{ H1, "/", R1"" },
{ H1, "/.", R1"" },
{ H1, "/./", R1"" },
{ H1, "/..", R1"" },
{ H1, "/../", R1"" },
{ H1, "/foo", R1"foo" },
{ H1, "/foo/bar", R1"foo/bar" },
{ H1, "/foo///bar", R1"foo/bar" },
{ H1, "/foo/.", R1"foo/" },
{ H1, "/foo/./", R1"foo/" },
{ H1, "/foo./", R1"foo./" },
{ H1, "/foo/../bar", R1"bar" },
{ H1, "/foo/../bar/", R1"bar/" },
{ H1, "/foo/bar/..", R1"foo/" },
{ H1, "/foo/bar/../x", R1"foo/x" },
{ H1, "/foo/bar/../x/", R1"foo/x/" },
{ H1, "/foo/..", R1"" },
{ H1, "/foo/../..", R1"" },
{ H1, "/foo/../../..", R1"" },
{ H1, "/foo/../../bar/../../baz", R1"baz" },
{ H1, "/a/b/../../c", R1"c" },
{ H1, "/./a/../b", R1"b" },
{ H1, ".x", R1".x" },
{ H1, "..x", R1"..x" },
{ H1, "foo/.x", R1"foo/.x" },
{ H1, "foo/bar/.x", R1"foo/bar/.x" },
{ H1, "foo/..x", R1"foo/..x" },
{ H1, "foo/bar/..x", R1"foo/bar/..x" },
{ H1, "/x.php?y=ftp://example.com/&z=1_2", R1"x.php?y=ftp://example.com/&z=1_2" },
{ H1, "//x.y.com/", "http://x.y.com/" },
{ H1, "http://x.y.com/", "http://x.y.com/" },
#undef H1
#undef R1
#define H1 "http://x.tld/dir/"
#define R1 "http://x.tld/"
{ H1, "", H1"" },
{ H1, ".", H1"" },
{ H1, "./", H1"" },
{ H1, "..", R1"" },
{ H1, "../", R1"" },
{ H1, "foo", H1"foo" },
{ H1, "foo/bar", H1"foo/bar" },
{ H1, "foo///bar", H1"foo/bar" },
{ H1, "foo/.", H1"foo/" },
{ H1, "foo/./", H1"foo/" },
{ H1, "foo./", H1"foo./" },
{ H1, "foo/../bar", H1"bar" },
{ H1, "foo/../bar/", H1"bar/" },
{ H1, "foo/bar/..", H1"foo/" },
{ H1, "foo/bar/../x", H1"foo/x" },
{ H1, "foo/bar/../x/", H1"foo/x/" },
{ H1, "foo/..", H1"" },
{ H1, "foo/../..", R1"" },
{ H1, "foo/../../..", R1"" },
{ H1, "foo/../../bar/../../baz", R1"baz" },
{ H1, "a/b/../../c", H1"c" },
{ H1, "./a/../b", H1"b" },
{ H1, "/", R1"" },
{ H1, "/.", R1"" },
{ H1, "/./", R1"" },
{ H1, "/..", R1"" },
{ H1, "/../", R1"" },
{ H1, "/foo", R1"foo" },
{ H1, "/foo/bar", R1"foo/bar" },
{ H1, "/foo///bar", R1"foo/bar" },
{ H1, "/foo/.", R1"foo/" },
{ H1, "/foo/./", R1"foo/" },
{ H1, "/foo./", R1"foo./" },
{ H1, "/foo/../bar", R1"bar" },
{ H1, "/foo/../bar/", R1"bar/" },
{ H1, "/foo/bar/..", R1"foo/" },
{ H1, "/foo/bar/../x", R1"foo/x" },
{ H1, "/foo/bar/../x/", R1"foo/x/" },
{ H1, "/foo/..", R1"" },
{ H1, "/foo/../..", R1"" },
{ H1, "/foo/../../..", R1"" },
{ H1, "/foo/../../bar/../../baz", R1"baz" },
{ H1, "/a/b/../../c", R1"c" },
{ H1, "/./a/../b", R1"b" },
{ H1, ".x", H1".x" },
{ H1, "..x", H1"..x" },
{ H1, "foo/.x", H1"foo/.x" },
{ H1, "foo/bar/.x", H1"foo/bar/.x" },
{ H1, "foo/..x", H1"foo/..x" },
{ H1, "foo/bar/..x", H1"foo/bar/..x" },
{ H1, "/x.php?y=ftp://example.com/&z=1_2", R1"x.php?y=ftp://example.com/&z=1_2" },
{ H1, "//x.y.com/", "http://x.y.com/" },
{ H1, "http://x.y.com/", "http://x.y.com/" }
#undef H1
#undef R1
};
unsigned it;
char uri_buf_static[32]; // use a size that forces allocation in some cases
mget_buffer_t *uri_buf = mget_buffer_init(NULL, uri_buf_static, sizeof(uri_buf_static));
mget_iri_t *base;
for (it = 0; it < countof(test_data); it++) {
const struct iri_test_data *t = &test_data[it];
base = mget_iri_parse(t->base, "utf-8");
mget_iri_relative_to_abs(base, t->relative, strlen(t->relative), uri_buf);
if (!strcmp(uri_buf->data, t->result))
ok++;
else {
failed++;
info_printf("Failed [%u]: %s+%s -> %s (expected %s)\n", it, t->base, t->relative, uri_buf->data, t->result);
}
mget_iri_free(&base);
}
mget_buffer_free(&uri_buf);
}