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stricter float parsing

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fixes `test/jsonchecker/fail31.json`
(issue #113)
This commit is contained in:
datadiode 2015-01-15 08:32:13 +01:00 committed by Christopher Dunn
parent e0bfb45000
commit c1441ef5e0
1 changed files with 18 additions and 5 deletions
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23
src/lib_json/json_reader.cpp
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@ -381,11 +381,24 @@ bool Reader::readCppStyleComment() {
}
void Reader::readNumber() {
while (current_ != end_) {
if (!(*current_ >= '0' && *current_ <= '9') &&
!in(*current_, '.', 'e', 'E', '+', '-'))
break;
++current_;
const char *p = current_;
char c = '0'; // stopgap for already consumed character
// integral part
while (c >= '0' && c <= '9')
c = (current_ = p) < end_ ? *p++ : 0;
// fractional part
if (c == '.') {
c = (current_ = p) < end_ ? *p++ : 0;
while (c >= '0' && c <= '9')
c = (current_ = p) < end_ ? *p++ : 0;
}
// exponential part
if (c == 'e' || c == 'E') {
c = (current_ = p) < end_ ? *p++ : 0;
if (c == '+' || c == '-')
c = (current_ = p) < end_ ? *p++ : 0;
while (c >= '0' && c <= '9')
c = (current_ = p) < end_ ? *p++ : 0;
}
}