static int read_id(void *ta_parent, struct mpv_node *dst, char **src)
{
char *start = *src;
if (!mp_isalpha(**src) && **src != '_')
return -1;
while (mp_isalnum(**src) || **src == '_')
*src += 1;
if (**src == ' ') {
**src = '\0'; // we're allowed to mutate it => can avoid the strndup
*src += 1;
} else {
start = talloc_strndup(ta_parent, start, *src - start);
}
dst->format = MPV_FORMAT_STRING;
dst->u.string = start;
return 0;
}
int m_config_parse(m_config_t *config, const char *location, bstr data,
char *initial_section, int flags)
{
m_profile_t *profile = m_config_add_profile(config, initial_section);
void *tmp = talloc_new(NULL);
int line_no = 0;
int errors = 0;
bstr_eatstart0(&data, "\xEF\xBB\xBF"); // skip BOM
while (data.len) {
talloc_free_children(tmp);
bool ok = false;
line_no++;
char loc[512];
snprintf(loc, sizeof(loc), "%s:%d:", location, line_no);
bstr line = bstr_strip_linebreaks(bstr_getline(data, &data));
if (!skip_ws(&line))
continue;
// Profile declaration
if (bstr_eatstart0(&line, "[")) {
bstr profilename;
if (!bstr_split_tok(line, "]", &profilename, &line)) {
MP_ERR(config, "%s missing closing ]\n", loc);
goto error;
}
if (skip_ws(&line)) {
MP_ERR(config, "%s unparseable extra characters: '%.*s'\n",
loc, BSTR_P(line));
goto error;
}
profile = m_config_add_profile(config, bstrto0(tmp, profilename));
continue;
}
bstr_eatstart0(&line, "--");
bstr option = line;
while (line.len && (mp_isalnum(line.start[0]) || line.start[0] == '_' ||
line.start[0] == '-'))
line = bstr_cut(line, 1);
option.len = option.len - line.len;
skip_ws(&line);
bstr value = {0};
if (bstr_eatstart0(&line, "=")) {
skip_ws(&line);
if (line.len && (line.start[0] == '"' || line.start[0] == '\'')) {
// Simple quoting, like "value"
char term[2] = {line.start[0], 0};
line = bstr_cut(line, 1);
if (!bstr_split_tok(line, term, &value, &line)) {
MP_ERR(config, "%s unterminated quote\n", loc);
goto error;
}
} else if (bstr_eatstart0(&line, "%")) {
// Quoting with length, like %5%value
bstr rest;
long long len = bstrtoll(line, &rest, 10);
if (rest.len == line.len || !bstr_eatstart0(&rest, "%") ||
len > rest.len)
{
MP_ERR(config, "%s fixed-length quoting expected - put "
"\"quotes\" around the option value if you did not "
"intend to use this, but your option value starts "
"with '%%'\n", loc);
goto error;
}
value = bstr_splice(rest, 0, len);
line = bstr_cut(rest, len);
} else {
// No quoting; take everything until the comment or end of line
int end = bstrchr(line, '#');
value = bstr_strip(end < 0 ? line : bstr_splice(line, 0, end));
line.len = 0;
}
}
if (skip_ws(&line)) {
MP_ERR(config, "%s unparseable extra characters: '%.*s'\n",
loc, BSTR_P(line));
goto error;
}
int res;
if (profile) {
if (bstr_equals0(option, "profile-desc")) {
m_profile_set_desc(profile, value);
res = 0;
} else {
res = m_config_set_profile_option(config, profile, option, value);
}
} else {
res = m_config_set_option_ext(config, option, value, flags);
}
if (res < 0) {
MP_ERR(config, "%s setting option %.*s='%.*s' failed.\n",
loc, BSTR_P(option), BSTR_P(value));
goto error;
}
ok = true;
error:
if (!ok)
errors++;
if (errors > 16) {
MP_ERR(config, "%s: too many errors, stopping.\n", location);
break;
}
}
talloc_free(tmp);
return 1;
}