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Code Issues Releases Wiki Activity

Add data member JSONParser::token_start

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This commit is contained in:
m-holger 2023-01-26 11:36:44 +00:00
parent 39dfd305c8
commit bb89a60320
4 changed files with 9 additions and 7 deletions
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10
libqpdf/JSON.cc
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@ -671,6 +671,7 @@ namespace
qpdf_offset_t offset;
bool done;
std::string token;
qpdf_offset_t token_start{0};
parser_state_e parser_state;
std::vector<std::shared_ptr<JSON>> stack;
std::vector<parser_state_e> ps_stack;
@ -863,6 +864,7 @@ JSONParser::getToken()
action = append;
switch (lex_state) {
case ls_top:
token_start = offset;
if (*p == '"') {
lex_state = ls_string;
} else if (QUtil::is_space(*p)) {
@ -1134,7 +1136,7 @@ JSONParser::handleToken()
if (token.length() < 2) {
throw std::logic_error("JSON string length < 2");
}
s_value = decode_string(token, offset - toO(token.length()));
s_value = decode_string(token, token_start);
}
std::shared_ptr<JSON> item;
@ -1142,12 +1144,12 @@ JSONParser::handleToken()
switch (lex_state) {
case ls_begin_dict:
item = std::make_shared<JSON>(JSON::makeDictionary());
item->setStart(offset - toO(token.length()));
item->setStart(token_start);
break;
case ls_begin_array:
item = std::make_shared<JSON>(JSON::makeArray());
item->setStart(offset - toO(token.length()));
item->setStart(token_start);
break;
case ls_colon:
@ -1296,7 +1298,7 @@ JSONParser::handleToken()
}
} else if (item.get()) {
if (!(item->isArray() || item->isDictionary())) {
item->setStart(offset - toO(token.length()));
item->setStart(token_start);
item->setEnd(offset);
}

2
qpdf/qtest/qpdf/qjson-objects-not-dict.out
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@ -1,3 +1,3 @@
WARNING: qjson-objects-not-dict.json (offset 82): "qpdf[1]" must be a dictionary
WARNING: qjson-objects-not-dict.json (offset 81): "qpdf[1]" must be a dictionary
WARNING: qjson-objects-not-dict.json: "qpdf[1].trailer" was not seen
qpdf: qjson-objects-not-dict.json: errors found in JSON

2
qpdf/qtest/qpdf/qjson-stream-not-dict.out
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@ -1,3 +1,3 @@
WARNING: qjson-stream-not-dict.json (obj:1 0 R, offset 123): "stream" must be a dictionary
WARNING: qjson-stream-not-dict.json (obj:1 0 R, offset 122): "stream" must be a dictionary
WARNING: qjson-stream-not-dict.json: "qpdf[1].trailer" was not seen
qpdf: qjson-stream-not-dict.json: errors found in JSON

2
qpdf/qtest/qpdf/qjson-trailer-not-dict.out
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@ -1,2 +1,2 @@
WARNING: qjson-trailer-not-dict.json (trailer, offset 1269): "trailer.value" must be a dictionary
WARNING: qjson-trailer-not-dict.json (trailer, offset 1268): "trailer.value" must be a dictionary
qpdf: qjson-trailer-not-dict.json: errors found in JSON