std::streambuf::int_type Indenter::operator()(std::streambuf &destination,
std::streambuf::int_type character) {
std::streambuf::char_type tmpChar = std::streambuf::traits_type::to_char_type(character);
if (atStartOfLine && tmpChar != Whitespace::NEW_LINE) {
destination.sputc(Whitespace::HORIZONTAL_TAB);
}
atStartOfLine = (tmpChar == Whitespace::NEW_LINE);
return destination.sputc(tmpChar);
}
std::streambuf::int_type SolidusEscaper::operator()(std::streambuf &destination,
std::streambuf::int_type character) {
bool notEscaped = true;
std::streambuf::char_type tmpChar = std::streambuf::traits_type::to_char_type(character);
// If we encounter a quotation mark.
if (tmpChar == Strings::Json::Escape::QUOTATION_MARK) {
// If we're not in a string, we change that. If we're in a string,
// we change that only if we're not after an escape back slash.
inString = !inString || (afterBackSlash);
} else if (inString && !afterBackSlash) {
// If we are in a string definition and we're not after a backslash
// escape.
if (tmpChar == Strings::Std::SOLIDUS) {
destination.sputn(Strings::Json::SOLIDUS.c_str(), Strings::Json::SOLIDUS.size());
notEscaped = false;
}
}
// We determine if we start a backslash escape or not.
afterBackSlash = inString && !afterBackSlash && (tmpChar == Strings::Json::Escape::BEGIN_ESCAPE);
return (notEscaped) ? (destination.sputc(tmpChar)) : (0);
}
int operator()(std::streambuf& sbuf, int c)
{
int result = eof();
if (c != eof() && new_line)
{
std::ostream(&sbuf) << ++line_number << ": ";
}
new_line = (c == '\n');
return result != eof() ? result : sbuf.sputc(c);
}
std::streambuf::int_type Escaper::operator()(std::streambuf &destination,
std::streambuf::int_type character) {
bool notEscaped = true;
std::streambuf::char_type tmpChar = std::streambuf::traits_type::to_char_type(character);
// If we encounter a quotation mark.
if (tmpChar == Structural::BEGIN_END_STRING) {
// If we're not in a string, we change that. If we're in a string,
// we change that only if we're not after an escape back slash.
inString = !inString || (afterBackSlash);
} else if (inString && !afterBackSlash) {
// If we are in a string definition and we're not after a backslash
// escape.
if (tmpChar == Strings::Std::REVERSE_SOLIDUS) {
destination.sputn(Strings::Json::REVERSE_SOLIDUS.c_str(), Strings::Json::REVERSE_SOLIDUS.size());
notEscaped = false;
} else if (tmpChar == Strings::Std::BACKSPACE) {
destination.sputn(Strings::Json::BACKSPACE.c_str(), Strings::Json::BACKSPACE.size());
notEscaped = false;
} else if (tmpChar == Strings::Std::FORM_FEED) {
destination.sputn(Strings::Json::FORM_FEED.c_str(), Strings::Json::FORM_FEED.size());
notEscaped = false;
} else if (tmpChar == Strings::Std::LINE_FEED) {
destination.sputn(Strings::Json::LINE_FEED.c_str(), Strings::Json::LINE_FEED.size());
notEscaped = false;
} else if (tmpChar == Strings::Std::TAB) {
destination.sputn(Strings::Json::TAB.c_str(), Strings::Json::TAB.size());
notEscaped = false;
} else if (tmpChar >= '\0' && tmpChar <= '\x1f') {
std::string tmp(Value::escapeToUnicode(tmpChar));
destination.sputn(tmp.c_str(), tmp.size());
notEscaped = false;
}
}
// We determine if we start a backslash escape or not.
afterBackSlash = inString && !afterBackSlash && (tmpChar == Strings::Json::Escape::BEGIN_ESCAPE);
return (notEscaped) ? (destination.sputc(tmpChar)) : (0);
}
std::streambuf::int_type IndentCanceller::operator()(std::streambuf &destination,
std::streambuf::int_type character) {
std::streambuf::char_type tmpChar = std::streambuf::traits_type::to_char_type(character);
// If we encounter a quotation mark.
if (tmpChar == Structural::BEGIN_END_STRING) {
// If we're not in a string, we change that. If we're in a string,
// we change that only if we're not after an escape back slash.
inString = !inString || (afterBackSlash);
}
// We determine if we start a backslash escape or not.
afterBackSlash = inString && !afterBackSlash && (tmpChar == Strings::Json::Escape::BEGIN_ESCAPE);
return (tmpChar != Whitespace::NEW_LINE && tmpChar != Whitespace::HORIZONTAL_TAB && tmpChar != Whitespace::CARRIAGE_RETURN && (inString || tmpChar != Whitespace::SPACE)) ? (destination.sputc(tmpChar)) : (0);
}
virtual int_type overflow(int_type ch) override {
ASSERT(_streambuf);
return _streambuf->sputc((char) ch);
}