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code cleanup for #323

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This commit is contained in:
Niels 2016-10-10 20:38:50 +02:00
parent 97280bbcfc
commit d3e7f9da67
2 changed files with 54 additions and 68 deletions
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61
src/json.hpp
View file

@ -9457,10 +9457,27 @@ basic_json_parser_63:
{ {
for (const auto& reference_token : reference_tokens) for (const auto& reference_token : reference_tokens)
{ {
// error condition (cf. RFC 6901, Sect. 4) // convert null values to arrays or objects before continuing
if (reference_token.size() > 1 and reference_token[0] == '0') if (ptr->m_type == value_t::null)
{ {
throw std::domain_error("array index must not begin with '0'"); // check if reference token is a number
const bool nums = std::all_of(reference_token.begin(),
reference_token.end(),
[](const char x)
{
return std::isdigit(x);
});
// change value to array for numbers or "-" or to object
// otherwise
if (nums or reference_token == "-")
{
*ptr = value_t::array;
}
else
{
*ptr = value_t::object;
}
} }
switch (ptr->m_type) switch (ptr->m_type)
@ -9474,6 +9491,13 @@ basic_json_parser_63:
case value_t::array: case value_t::array:
{ {
// error condition (cf. RFC 6901, Sect. 4)
if (reference_token.size() > 1 and reference_token[0] == '0')
{
throw std::domain_error("array index must not begin with '0'");
}
if (reference_token == "-") if (reference_token == "-")
{ {
// explicityly treat "-" as index beyond the end // explicityly treat "-" as index beyond the end
@ -9487,37 +9511,6 @@ basic_json_parser_63:
break; break;
} }
// null values are converted to arrays or objects
case value_t::null:
{
// check if reference token is a number
const bool nums = std::all_of(reference_token.begin(),
reference_token.end(),
[](const char x)
{
return std::isdigit(x);
});
if (nums)
{
// if reference token consists solely of numbers
// use it as array index -> create array
ptr = &ptr->operator[](static_cast<size_type>(std::stoi(reference_token)));
}
else if (reference_token == "-")
{
// explicityly treat "-" as index beyond the end
// which is 0 for an empty array -> create array
ptr = &ptr->operator[](0);
}
else
{
// treat reference token as key -> create object
ptr = &ptr->operator[](reference_token);
}
break;
}
default: default:
{ {
throw std::out_of_range("unresolved reference token '" + reference_token + "'"); throw std::out_of_range("unresolved reference token '" + reference_token + "'");

61
src/json.hpp.re2c
View file

@ -8754,10 +8754,27 @@ class basic_json
{ {
for (const auto& reference_token : reference_tokens) for (const auto& reference_token : reference_tokens)
{ {
// error condition (cf. RFC 6901, Sect. 4) // convert null values to arrays or objects before continuing
if (reference_token.size() > 1 and reference_token[0] == '0') if (ptr->m_type == value_t::null)
{ {
throw std::domain_error("array index must not begin with '0'"); // check if reference token is a number
const bool nums = std::all_of(reference_token.begin(),
reference_token.end(),
[](const char x)
{
return std::isdigit(x);
});
// change value to array for numbers or "-" or to object
// otherwise
if (nums or reference_token == "-")
{
*ptr = value_t::array;
}
else
{
*ptr = value_t::object;
}
} }
switch (ptr->m_type) switch (ptr->m_type)
@ -8771,6 +8788,13 @@ class basic_json
case value_t::array: case value_t::array:
{ {
// error condition (cf. RFC 6901, Sect. 4)
if (reference_token.size() > 1 and reference_token[0] == '0')
{
throw std::domain_error("array index must not begin with '0'");
}
if (reference_token == "-") if (reference_token == "-")
{ {
// explicityly treat "-" as index beyond the end // explicityly treat "-" as index beyond the end
@ -8784,37 +8808,6 @@ class basic_json
break; break;
} }
// null values are converted to arrays or objects
case value_t::null:
{
// check if reference token is a number
const bool nums = std::all_of(reference_token.begin(),
reference_token.end(),
[](const char x)
{
return std::isdigit(x);
});
if (nums)
{
// if reference token consists solely of numbers
// use it as array index -> create array
ptr = &ptr->operator[](static_cast<size_type>(std::stoi(reference_token)));
}
else if (reference_token == "-")
{
// explicityly treat "-" as index beyond the end
// which is 0 for an empty array -> create array
ptr = &ptr->operator[](0);
}
else
{
// treat reference token as key -> create object
ptr = &ptr->operator[](reference_token);
}
break;
}
default: default:
{ {
throw std::out_of_range("unresolved reference token '" + reference_token + "'"); throw std::out_of_range("unresolved reference token '" + reference_token + "'");