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#include "jsonParse.h"
void
json::jsonParser::LexerError(const char * msg)
{
throw std::runtime_error(msg);
}
void
json::jsonParser::appendEscape(const char * cphs, std::string & str)
{
appendEscape(std::strtoul(cphs, nullptr, 16), str);
}
void
json::jsonParser::appendEscape(unsigned long cp, std::string & str)
{
if (cp <= 0x7F) {
str += cp;
}
else if (cp <= 0x7FF) {
str += (cp >> 6) + 192;
str += (cp & 63) + 128;
}
else if (0xd800 <= cp && cp <= 0xdfff) {
throw std::range_error("Invalid UTF-8 sequence");
}
else if (cp <= 0xFFFF) {
str += (cp >> 12) + 224;
str += ((cp >> 6) & 63) + 128;
str += (cp & 63) + 128;
}
else if (cp <= 0x10FFFF) {
str += (cp >> 18) + 240;
str += ((cp >> 12) & 63) + 128;
str += ((cp >> 6) & 63) + 128;
str += (cp & 63) + 128;
}
}
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