🔨 cleanup
This commit is contained in:
Niels Lohmann
parent
19d119e18c
commit
5d586b0192
1 changed files with 60 additions and 24 deletions
82
src/json.hpp
82
src/json.hpp
|
|
@ -10296,10 +10296,11 @@ class basic_json
|
|||
JSON_THROW(parse_error::create(111, 0, "bad input stream"));
|
||||
}
|
||||
|
||||
// initial fill; unfilled buffer charaters remain EOF
|
||||
// initial fill; unfilled buffer characters remain EOF
|
||||
is.read(buffer.data(), static_cast<std::streamsize>(buffer.size()));
|
||||
|
||||
// ignore byte-order mark
|
||||
// skip byte-order mark
|
||||
assert(buffer.size() >= 3);
|
||||
if (buffer[0] == '\xEF' and buffer[1] == '\xBB' and buffer[2] == '\xBF')
|
||||
{
|
||||
buffer_pos += 3;
|
||||
|
|
@ -10317,7 +10318,7 @@ class basic_json
|
|||
|
||||
int get_character() override
|
||||
{
|
||||
// check if refilling is neccessary
|
||||
// check if refilling is necessary
|
||||
if (JSON_UNLIKELY(buffer_pos == buffer.size()))
|
||||
{
|
||||
// refill
|
||||
|
|
@ -10360,17 +10361,18 @@ class basic_json
|
|||
}
|
||||
|
||||
private:
|
||||
/// the associated input stream
|
||||
std::istream& is;
|
||||
|
||||
// chars returned via get_character()
|
||||
/// chars returned via get_character()
|
||||
size_t processed_chars = 0;
|
||||
// chars processed in the current buffer
|
||||
/// chars processed in the current buffer
|
||||
size_t buffer_pos = 0;
|
||||
|
||||
// position of the stream when we started
|
||||
/// position of the stream when we started
|
||||
const std::streampos start_position;
|
||||
|
||||
// internal buffer
|
||||
/// internal buffer
|
||||
std::vector<char> buffer;
|
||||
};
|
||||
|
||||
|
|
@ -10419,6 +10421,7 @@ class basic_json
|
|||
}
|
||||
|
||||
private:
|
||||
/// the associated input stream
|
||||
std::istream& is;
|
||||
};
|
||||
|
||||
|
|
@ -10430,6 +10433,7 @@ class basic_json
|
|||
: input_adapter(), cursor(b), limit(b + l), start(b)
|
||||
{}
|
||||
|
||||
// delete because of pointer members
|
||||
input_buffer_adapter(const input_buffer_adapter&) = delete;
|
||||
input_buffer_adapter& operator=(input_buffer_adapter&) = delete;
|
||||
|
||||
|
|
@ -10453,8 +10457,11 @@ class basic_json
|
|||
}
|
||||
|
||||
private:
|
||||
/// pointer to the current character
|
||||
const char* cursor;
|
||||
/// pointer past the last character
|
||||
const char* limit;
|
||||
/// pointer to the first character
|
||||
const char* start;
|
||||
};
|
||||
|
||||
|
|
@ -11022,14 +11029,12 @@ class basic_json
|
|||
|
||||
default:
|
||||
{
|
||||
assert(false);
|
||||
assert(false); // LCOV_EXCL_LINE
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// overloaded wrappers for strtod/strtof/strtold
|
||||
// that will be called from parse<floating_point_t>
|
||||
static void strtof(float& f, const char* str, char** endptr) noexcept
|
||||
{
|
||||
f = std::strtof(str, endptr);
|
||||
|
|
@ -11125,7 +11130,7 @@ class basic_json
|
|||
char* endptr = nullptr;
|
||||
const auto x = std::strtoll(yytext.data(), &endptr, 10);
|
||||
value_integer = static_cast<number_integer_t>(x);
|
||||
if (JSON_LIKELY(errno == 0 and endptr == yytext.data() + yylen and value_integer == x))
|
||||
if (errno == 0 and endptr == yytext.data() + yylen and value_integer == x)
|
||||
{
|
||||
return token_type::value_integer;
|
||||
}
|
||||
|
|
@ -11135,7 +11140,7 @@ class basic_json
|
|||
char* endptr = nullptr;
|
||||
const auto x = std::strtoull(yytext.data(), &endptr, 10);
|
||||
value_unsigned = static_cast<number_unsigned_t>(x);
|
||||
if (JSON_LIKELY(errno == 0 and endptr == yytext.data() + yylen and value_unsigned == x))
|
||||
if (errno == 0 and endptr == yytext.data() + yylen and value_unsigned == x)
|
||||
{
|
||||
return token_type::value_unsigned;
|
||||
}
|
||||
|
|
@ -11148,6 +11153,7 @@ class basic_json
|
|||
|
||||
token_type scan_true()
|
||||
{
|
||||
assert(current == 't');
|
||||
if (JSON_LIKELY((get() == 'r' and get() == 'u' and get() == 'e')))
|
||||
{
|
||||
return token_type::literal_true;
|
||||
|
|
@ -11159,6 +11165,7 @@ class basic_json
|
|||
|
||||
token_type scan_false()
|
||||
{
|
||||
assert(current == 'f');
|
||||
if (JSON_LIKELY((get() == 'a' and get() == 'l' and get() == 's' and get() == 'e')))
|
||||
{
|
||||
return token_type::literal_false;
|
||||
|
|
@ -11170,6 +11177,7 @@ class basic_json
|
|||
|
||||
token_type scan_null()
|
||||
{
|
||||
assert(current == 'n');
|
||||
if (JSON_LIKELY((get() == 'u' and get() == 'l' and get() == 'l')))
|
||||
{
|
||||
return token_type::literal_null;
|
||||
|
|
@ -11183,13 +11191,14 @@ class basic_json
|
|||
// input management
|
||||
/////////////////////
|
||||
|
||||
void reset()
|
||||
/// reset yytext
|
||||
void reset() noexcept
|
||||
{
|
||||
yylen = 0;
|
||||
start_pos = chars_read - 1;
|
||||
}
|
||||
|
||||
// get a character from the input
|
||||
/// get a character from the input
|
||||
int get()
|
||||
{
|
||||
++chars_read;
|
||||
|
|
@ -11206,14 +11215,14 @@ class basic_json
|
|||
return current;
|
||||
}
|
||||
|
||||
// unget a character to the input
|
||||
void unget()
|
||||
/// unget a character to the input
|
||||
void unget() noexcept
|
||||
{
|
||||
--chars_read;
|
||||
next_unget = true;
|
||||
}
|
||||
|
||||
// add a character to yytext
|
||||
/// add a character to yytext
|
||||
void add(int c)
|
||||
{
|
||||
// resize yytext if necessary
|
||||
|
|
@ -11225,48 +11234,70 @@ class basic_json
|
|||
}
|
||||
|
||||
public:
|
||||
constexpr size_t get_position() const noexcept
|
||||
{
|
||||
return chars_read;
|
||||
}
|
||||
/////////////////////
|
||||
// value getters
|
||||
/////////////////////
|
||||
|
||||
/// return integer value
|
||||
constexpr number_integer_t get_number_integer() const noexcept
|
||||
{
|
||||
return value_integer;
|
||||
}
|
||||
|
||||
/// return unsigned integer value
|
||||
constexpr number_unsigned_t get_number_unsigned() const noexcept
|
||||
{
|
||||
return value_unsigned;
|
||||
}
|
||||
|
||||
/// return floating-point value
|
||||
constexpr number_float_t get_number_float() const noexcept
|
||||
{
|
||||
return value_float;
|
||||
}
|
||||
|
||||
/// return string value
|
||||
const std::string get_string()
|
||||
{
|
||||
// yytext cannot be returned as char*, because it may contain a
|
||||
// null byte
|
||||
return std::string(yytext.data(), yylen);
|
||||
}
|
||||
|
||||
/////////////////////
|
||||
// diagnostics
|
||||
/////////////////////
|
||||
|
||||
/// return position of last read token
|
||||
constexpr size_t get_position() const noexcept
|
||||
{
|
||||
return chars_read;
|
||||
}
|
||||
|
||||
/// return the last read token (for errors only)
|
||||
std::string get_token_string() const
|
||||
{
|
||||
// get the raw byte sequence of the last token
|
||||
std::string s = ia->read(start_pos, chars_read - start_pos);
|
||||
std::stringstream ss;
|
||||
|
||||
// escape control characters
|
||||
std::stringstream ss;
|
||||
for (auto c : s)
|
||||
{
|
||||
if (c == '\0' or c == std::char_traits<char>::eof())
|
||||
{
|
||||
// ignore EOF
|
||||
continue;
|
||||
}
|
||||
else if ('\x00' <= c and c <= '\x1f')
|
||||
{
|
||||
// escape control characters
|
||||
ss << "<U+" << std::setw(4) << std::setfill('0') << std::hex << int(c) << ">";
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
// add character as is
|
||||
ss << c;
|
||||
}
|
||||
}
|
||||
|
|
@ -11274,11 +11305,16 @@ class basic_json
|
|||
return ss.str();
|
||||
}
|
||||
|
||||
/// return syntax error message
|
||||
const std::string& get_error_message() const noexcept
|
||||
{
|
||||
return error_message;
|
||||
}
|
||||
|
||||
/////////////////////
|
||||
// actual scanner
|
||||
/////////////////////
|
||||
|
||||
token_type scan()
|
||||
{
|
||||
// read next character and ignore whitespace
|
||||
|
|
@ -11370,7 +11406,7 @@ class basic_json
|
|||
number_unsigned_t value_unsigned = 0;
|
||||
number_float_t value_float = 0;
|
||||
|
||||
// the decimal point
|
||||
/// the decimal point
|
||||
const char decimal_point_char = '\0';
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue