Keh-Li Sheng created AVRO-1080:
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Summary: JsonIO.cc should allow \u escape sequence in string
Key: AVRO-1080
URL: https://issues.apache.org/jira/browse/AVRO-1080
Project: Avro
Issue Type: Bug
Components: c++
Affects Versions: 1.6.3
Environment: C++
Reporter: Keh-Li Sheng
Attachments: AVRO-1080.patch
If an avro string contains a unicode escape sequence that begins with "\u"
instead of "\U" an exception is thrown by the parser. The problematic code is
at JsonIO.cc line 269.
{code}
JsonParser::Token JsonParser::tryString()
{
sv.clear();
for ( ; ;) {
char ch = in_.read();
if (ch == '"') {
return tkString;
} else if (ch == '\\') {
ch = in_.read();
switch (ch) {
case '"':
case '\\':
case '/':
sv.push_back(ch);
continue;
case 'b':
sv.push_back('\b');
continue;
case 'f':
sv.push_back('\f');
continue;
case 'n':
sv.push_back('\n');
continue;
case 'r':
sv.push_back('\r');
continue;
case 't':
sv.push_back('\t');
continue;
case 'U':
{
unsigned int n = 0;
char e[4];
in_.readBytes(reinterpret_cast<uint8_t*>(e), 4);
for (int i = 0; i < 4; i++) {
n *= 16;
char c = e[i];
if (isdigit(c)) {
n += c - '0';
} else if (c >= 'a' && c <= 'f') {
n += c - 'a' + 10;
} else if (c >= 'A' && c <= 'F') {
n += c - 'A' + 10;
} else {
unexpected(c);
}
}
sv.push_back(n);
}
break;
default:
unexpected(ch);
}
} else {
sv.push_back(ch);
}
}
}
{code}
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