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Add new method JSONParser::numberError

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This commit is contained in:
m-holger 2023-01-24 00:44:16 +00:00
parent 1787d85096
commit b6b4d3b299
1 changed files with 35 additions and 5 deletions
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40
libqpdf/JSON.cc
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@ -620,6 +620,7 @@ namespace
private:
void getToken();
void handleToken();
void numberError();
static std::string
decode_string(std::string const& json, qpdf_offset_t offset);
static void handle_u_code(
@ -796,6 +797,39 @@ JSONParser::decode_string(std::string const& str, qpdf_offset_t offset)
return result;
}
void
JSONParser::numberError()
{
if (*p == '.') {
if (number_saw_e) {
// QTC::TC("libtests", "JSON parse point after e");
throw std::runtime_error(
"JSON: offset " + std::to_string(offset) +
": numeric literal: decimal point after e");
} else {
// QTC::TC("libtests", "JSON parse duplicate point");
throw std::runtime_error(
"JSON: offset " + std::to_string(offset) +
": numeric literal: decimal point already seen");
}
} else if (*p == 'e') {
// QTC::TC("libtests", "JSON parse duplicate e");
throw std::runtime_error(
"JSON: offset " + std::to_string(offset) +
": numeric literal: e already seen");
} else if ((*p == '+') || (*p == '-')) {
// QTC::TC("libtests", "JSON parse unexpected sign");
throw std::runtime_error(
"JSON: offset " + std::to_string(offset) +
": numeric literal: unexpected sign");
} else {
QTC::TC("libtests", "JSON parse numeric bad character");
throw std::runtime_error(
"JSON: offset " + std::to_string(offset) +
": numeric literal: unexpected character " + std::string(p, 1));
}
}
void
JSONParser::getToken()
{
@ -905,11 +939,7 @@ JSONParser::getToken()
action = reread;
ready = true;
} else {
QTC::TC("libtests", "JSON parse numeric bad character");
throw std::runtime_error(
"JSON: offset " + std::to_string(offset) +
": numeric literal: unexpected character " +
std::string(p, 1));
numberError();
}
break;