void test_strview_basics(const string_view& sv, const char *p, size_t n) {
ASSERT_EQ(p, sv.data());
ASSERT_EQ(n, sv.size());
ASSERT_EQ(n, sv.length());
ASSERT_EQ((n == 0), sv.empty());
ASSERT_EQ(p, sv.cbegin());
ASSERT_EQ(p, sv.begin());
ASSERT_EQ(p + n, sv.cend());
ASSERT_EQ(p + n, sv.end());
using reviter_t = std::reverse_iterator<string_view::const_iterator>;
ASSERT_EQ(reviter_t(sv.end()), sv.rbegin());
ASSERT_EQ(reviter_t(sv.begin()), sv.rend());
ASSERT_EQ(reviter_t(sv.cend()), sv.crbegin());
ASSERT_EQ(reviter_t(sv.cbegin()), sv.crend());
for (size_t i = 0; i < n; ++i) {
ASSERT_EQ(p[i], sv[i]);
ASSERT_EQ(p[i], sv.at(i));
}
ASSERT_THROW(sv.at(n), std::out_of_range);
ASSERT_THROW(sv.at(string_view::npos), std::out_of_range);
if (n > 0) {
ASSERT_EQ(p, &(sv.front()));
ASSERT_EQ(p + (n-1), &(sv.back()));
ASSERT_EQ(p[0], sv.front());
ASSERT_EQ(p[n-1], sv.back());
}
}
void
pvt::debugmsg_ (string_view message)
{
recursive_lock_guard lock (pvt::imageio_mutex);
if (print_debug) {
std::cerr << "OIIO DEBUG: " << message
<< (message.back() == '\n' ? "" : "\n");
}
}
static lng_line_type parse_lng_line(const string_view str, bool ParseLabels, string_view& Label, string_view& Data)
{
Label = {};
Data = {};
//-- "Text"
if (starts_with(str, L'"'))
{
Data = str.substr(1, str.size() - (ends_with(str, L'"')? 2 : 1));
return lng_line_type::text;
}
//-- //[Label]
if (ParseLabels)
{
const auto Prefix = L"//["sv, Suffix = L"]"sv;
if (starts_with(str, Prefix) && ends_with(str, Suffix))
{
Label = str.substr(Prefix.size(), str.size() - Prefix.size() - Suffix.size());
return lng_line_type::label;
}
}
//-- MLabel="Text"
if (ParseLabels && !str.empty() && str.back() == L'"')
{
const auto eq_pos = str.find(L'=');
if (eq_pos != str.npos && std::iswalpha(str[0]))
{
const auto Value = trim(str.substr(eq_pos + 1));
if (starts_with(Value, L'"'))
{
Label = trim(str.substr(0, eq_pos));
Data = Value.substr(1, Value.size() - 2);
return lng_line_type::both;
}
}
}
return lng_line_type::none;
}
static void parse_lng_line(const string_view str, string& label, string& data, bool& have_data)
{
have_data = false;
//-- //[Label]
if (starts_with(str, L"//["sv) && ends_with(str, L"]"sv))
{
const auto LabelView = str.substr(3, str.size() - 3 - 1);
//-- //[Label=0]
assign(label, LabelView.substr(0, LabelView.find(L'=')));
return;
}
//-- "Text"
if (starts_with(str, L'"'))
{
have_data = true;
assign(data, str.substr(1));
if (!data.empty() && data.back() == L'"')
data.pop_back();
return;
}
//-- MLabel="Text"
if (!str.empty() && str.back() == L'"')
{
const auto eq_pos = str.find(L'=');
if (eq_pos != string::npos && InRange(L'A', upper(str[0]), L'Z'))
{
assign(data, trim(str.substr(eq_pos + 1)));
if (data.size() > 1 && data[0] == L'"')
{
assign(label, trim(str.substr(0, eq_pos)));
have_data = true;
data.pop_back();
data.erase(0, 1);
}
}
}
}
// Add the attribute -- figure out the type
void
parse_param(string_view paramname, string_view val, ImageSpec& spec)
{
TypeDesc type; // start out unknown
// If the param string starts with a type name, that's what it is
if (size_t typeportion = type.fromstring(paramname)) {
paramname.remove_prefix(typeportion);
Strutil::skip_whitespace(paramname);
}
// If the value string starts with a type name, that's what it is
else if (size_t typeportion = type.fromstring(val)) {
val.remove_prefix(typeportion);
Strutil::skip_whitespace(val);
}
if (type.basetype == TypeDesc::UNKNOWN) {
// If we didn't find a type name, try to guess
if (val.size() >= 2 && val.front() == '\"' && val.back() == '\"') {
// Surrounded by quotes? it's a string (strip off the quotes)
val.remove_prefix(1);
val.remove_suffix(1);
type = TypeDesc::TypeString;
} else if (Strutil::string_is<int>(val)) {
// Looks like an int, is an int
type = TypeDesc::TypeInt;
} else if (Strutil::string_is<float>(val)) {
// Looks like a float, is a float
type = TypeDesc::TypeFloat;
} else {
// Everything else is assumed a string
type = TypeDesc::TypeString;
}
}
// Read the values and set the attribute
int n = type.numelements() * type.aggregate;
if (type.basetype == TypeDesc::INT) {
std::vector<int> values(n);
for (int i = 0; i < n; ++i) {
Strutil::parse_int(val, values[i]);
Strutil::parse_char(val, ','); // optional
}
if (n > 0)
spec.attribute(paramname, type, &values[0]);
}
if (type.basetype == TypeDesc::FLOAT) {
std::vector<float> values(n);
for (int i = 0; i < n; ++i) {
Strutil::parse_float(val, values[i]);
Strutil::parse_char(val, ','); // optional
}
if (n > 0)
spec.attribute(paramname, type, &values[0]);
} else if (type.basetype == TypeDesc::STRING) {
std::vector<ustring> values(n);
for (int i = 0; i < n; ++i) {
string_view v;
Strutil::parse_string(val, v);
Strutil::parse_char(val, ','); // optional
values[i] = v;
}
if (n > 0)
spec.attribute(paramname, type, &values[0]);
}
}
bool RawRecord::isTerminatedRecordString( const string_view& str ) {
return str.back() == RawConsts::slash;
}