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In JSONParser add lex_state ls_number_point

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Also. remove '.' as  starting char in lsTop.
This commit is contained in:
m-holger 2023-01-23 20:08:11 +00:00
parent bfda62aeeb
commit cdd1f0a9f6
4 changed files with 23 additions and 12 deletions
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30
libqpdf/JSON.cc
View File

@ -650,6 +650,7 @@ namespace
ls_number_minus,
ls_number_leading_zero,
ls_number_before_point,
ls_number_point,
ls_alpha,
ls_string,
ls_backslash,
@ -825,6 +826,11 @@ JSONParser::numberError()
throw std::runtime_error(
"JSON: offset " + std::to_string(offset) +
": numeric literal: unexpected sign");
} else if (QUtil::is_space(*p) || strchr("{}[]:,", *p)) {
QTC::TC("libtests", "JSON parse incomplete number");
throw std::runtime_error(
"JSON: offset " + std::to_string(offset) +
": numeric literal: incomplete number");
} else {
QTC::TC("libtests", "JSON parse numeric bad character");
throw std::runtime_error(
@ -884,13 +890,6 @@ JSONParser::getToken()
number_after_e = 0;
number_saw_point = false;
number_saw_e = false;
} else if (*p == '.') {
lex_state = ls_number;
number_before_point = 0;
number_after_point = 0;
number_after_e = 0;
number_saw_point = true;
number_saw_e = false;
} else if (strchr("{}[]:,", *p)) {
ready = true;
} else {
@ -918,7 +917,7 @@ JSONParser::getToken()
case ls_number_leading_zero:
if (*p == '.') {
lex_state = ls_number;
lex_state = ls_number_point;
} else if (*p == 'e') {
lex_state = ls_number;
} else if (QUtil::is_space(*p)) {
@ -940,7 +939,7 @@ JSONParser::getToken()
++number_before_point;
} else if (*p == '.') {
number_saw_point = true;
lex_state = ls_number;
lex_state = ls_number_point;
} else if (*p == 'e') {
number_saw_e = true;
lex_state = ls_number;
@ -955,6 +954,15 @@ JSONParser::getToken()
}
break;
case ls_number_point:
if ((*p >= '0') && (*p <= '9')) {
++number_after_point;
lex_state = ls_number;
} else {
numberError();
}
break;
case ls_number:
if ((*p >= '0') && (*p <= '9')) {
if (number_saw_e) {
@ -1083,6 +1091,7 @@ JSONParser::getToken()
break;
case ls_number_before_point:
case ls_number_point:
case ls_number:
case ls_number_minus:
case ls_number_leading_zero:
@ -1158,10 +1167,11 @@ JSONParser::handleToken()
}
break;
case ls_number_before_point:
case ls_number:
case ls_number_minus:
case ls_number_leading_zero:
case ls_number_before_point:
case ls_number_point:
if (number_saw_point && (number_after_point == 0)) {
// QTC::TC("libtests", "JSON parse decimal with no digits");
throw std::runtime_error(

1
libtests/libtests.testcov
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@ -76,6 +76,7 @@ JSON parse duplicate e 0
JSON parse unexpected sign 0
JSON parse numeric bad character 0
JSON parse number minus no digits 0
JSON parse incomplete number 0
JSON parse keyword bad character 0
JSON parse backslash bad character 0
JSON parse unterminated string 0

2
libtests/qtest/json_parse/bad-04.out
View File

@ -1 +1 @@
exception: bad-04.json: JSON: offset 5: decimal point with no digits
exception: bad-04.json: JSON: offset 4: unexpected character .

2
libtests/qtest/json_parse/bad-30.out
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@ -1 +1 @@
exception: bad-30.json: JSON: offset 5: decimal point with no digits
exception: bad-30.json: JSON: offset 4: numeric literal: incomplete number