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In JSONParser add lex_state ls_number_e_sign

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This commit is contained in:
m-holger 2023-01-24 13:04:31 +00:00
parent 04333bbc20
commit 6ea543e6c7
6 changed files with 20 additions and 3 deletions
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17
libqpdf/JSON.cc
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@ -653,6 +653,7 @@ namespace
ls_number_point,
ls_number_after_point,
ls_number_e,
ls_number_e_sign,
ls_alpha,
ls_string,
ls_backslash,
@ -988,6 +989,14 @@ JSONParser::getToken()
++number_after_e;
lex_state = ls_number;
} else if ((*p == '+') || (*p == '-')) {
lex_state = ls_number_e_sign;
} else {
numberError();
}
break;
case ls_number_e_sign:
if ((*p >= '0') && (*p <= '9')) {
lex_state = ls_number;
} else {
numberError();
@ -1120,13 +1129,14 @@ JSONParser::getToken()
throw std::logic_error("tok_start set in ls_top while parsing");
break;
case ls_number:
case ls_number_minus:
case ls_number_leading_zero:
case ls_number_before_point:
case ls_number_point:
case ls_number_after_point:
case ls_number_e:
case ls_number:
case ls_number_minus:
case ls_number_leading_zero:
case ls_number_e_sign:
case ls_alpha:
// okay
break;
@ -1206,6 +1216,7 @@ JSONParser::handleToken()
case ls_number_point:
case ls_number_after_point:
case ls_number_e:
case ls_number_e_sign:
if (number_saw_point && (number_after_point == 0)) {
// QTC::TC("libtests", "JSON parse decimal with no digits");
throw std::runtime_error(

2
libtests/qtest/json_parse.test
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@ -123,6 +123,8 @@ my @bad = (
"duplicate dictionary key", # 40
"decimal point after minus",# 41
"e after minus", # 42
"missing digit after e", # 43
"missing digit after e+/-", # 44
);
my $i = 0;

1
libtests/qtest/json_parse/bad-43.json Normal file
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@ -0,0 +1 @@
123e

1
libtests/qtest/json_parse/bad-43.out Normal file
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@ -0,0 +1 @@
exception: bad-43.json: JSON: offset 4: numeric literal: incomplete number

1
libtests/qtest/json_parse/bad-44.json Normal file
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@ -0,0 +1 @@
123e+

1
libtests/qtest/json_parse/bad-44.out Normal file
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@ -0,0 +1 @@
exception: bad-44.json: JSON: offset 5: numeric literal: incomplete number