static JSONCPP_STRING removeSuffix(const JSONCPP_STRING& path,
const JSONCPP_STRING& extension) {
if (extension.length() >= path.length())
return JSONCPP_STRING("");
JSONCPP_STRING suffix = path.substr(path.length() - extension.length());
if (suffix != extension)
return JSONCPP_STRING("");
return path.substr(0, path.length() - extension.length());
}
void Path::makePath(const JSONCPP_STRING& path, const InArgs& in) {
const char* current = path.c_str();
const char* end = current + path.length();
InArgs::const_iterator itInArg = in.begin();
while (current != end) {
if (*current == '[') {
++current;
if (*current == '%')
addPathInArg(path, in, itInArg, PathArgument::kindIndex);
else {
ArrayIndex index = 0;
for (; current != end && *current >= '0' && *current <= '9'; ++current)
index = index * 10 + ArrayIndex(*current - '0');
args_.push_back(index);
}
if (current == end || *++current != ']')
invalidPath(path, int(current - path.c_str()));
} else if (*current == '%') {
addPathInArg(path, in, itInArg, PathArgument::kindKey);
++current;
} else if (*current == '.' || *current == ']') {
++current;
} else {
const char* beginName = current;
while (current != end && !strchr("[.", *current))
++current;
args_.push_back(JSONCPP_STRING(beginName, current));
}
}
}
JSONCPP_STRING Value::asString() const {
switch (type_) {
case nullValue:
return "";
case stringValue: {
if (value_.string_ == 0)
return "";
unsigned this_len;
char const* this_str;
decodePrefixedString(this->allocated_, this->value_.string_, &this_len,
&this_str);
return JSONCPP_STRING(this_str, this_len);
}
case booleanValue:
return value_.bool_ ? "true" : "false";
case intValue:
return valueToString(value_.int_);
case uintValue:
return valueToString(value_.uint_);
case realValue:
return valueToString(value_.real_);
default:
JSON_FAIL_MESSAGE("Type is not convertible to string");
}
}
static int parseCommandLine(
int argc, const char* argv[], Options* opts)
{
opts->parseOnly = false;
opts->write = &useStyledWriter;
if (argc < 2) {
return printUsage(argv);
}
int index = 1;
if (JSONCPP_STRING(argv[index]) == "--json-checker") {
opts->features = Json::Features::strictMode();
opts->parseOnly = true;
++index;
}
if (JSONCPP_STRING(argv[index]) == "--json-config") {
printConfig();
return 3;
}
if (JSONCPP_STRING(argv[index]) == "--json-writer") {
++index;
JSONCPP_STRING const writerName(argv[index++]);
if (writerName == "StyledWriter") {
opts->write = &useStyledWriter;
} else if (writerName == "StyledStreamWriter") {
opts->write = &useStyledStreamWriter;
} else if (writerName == "BuiltStyledStreamWriter") {
opts->write = &useBuiltStyledStreamWriter;
} else {
printf("Unknown '--json-writer %s'\n", writerName.c_str());
return 4;
}
}
if (index == argc || index + 1 < argc) {
return printUsage(argv);
}
opts->path = argv[index];
return 0;
}
Value::Members Value::getMemberNames() const {
JSON_ASSERT_MESSAGE(
type_ == nullValue || type_ == objectValue,
"in Json::Value::getMemberNames(), value must be objectValue");
if (type_ == nullValue)
return Value::Members();
Members members;
members.reserve(value_.map_->size());
ObjectValues::const_iterator it = value_.map_->begin();
ObjectValues::const_iterator itEnd = value_.map_->end();
for (; it != itEnd; ++it) {
members.push_back(JSONCPP_STRING((*it).first.data(), (*it).first.length()));
}
return members;
}
static JSONCPP_STRING readInputTestFile(const char* path) {
FILE* file = fopen(path, "rb");
if (!file)
return JSONCPP_STRING("");
fseek(file, 0, SEEK_END);
long const size = ftell(file);
unsigned long const usize = static_cast<unsigned long>(size);
fseek(file, 0, SEEK_SET);
JSONCPP_STRING text;
char* buffer = new char[size + 1];
buffer[size] = 0;
if (fread(buffer, 1, usize, file) == usize)
text = buffer;
fclose(file);
delete[] buffer;
return text;
}
void StyledWriter::indent() { indentString_ += JSONCPP_STRING(indentSize_, ' '); }
static JSONCPP_STRING valueToQuotedStringN(const char* value, unsigned length) {
if (value == NULL)
return "";
// Not sure how to handle unicode...
if (strnpbrk(value, "\"\\\b\f\n\r\t", length) == NULL &&
!containsControlCharacter0(value, length))
return JSONCPP_STRING("\"") + value + "\"";
// We have to walk value and escape any special characters.
// Appending to JSONCPP_STRING is not efficient, but this should be rare.
// (Note: forward slashes are *not* rare, but I am not escaping them.)
JSONCPP_STRING::size_type maxsize =
length * 2 + 3; // allescaped+quotes+NULL
JSONCPP_STRING result;
result.reserve(maxsize); // to avoid lots of mallocs
result += "\"";
char const* end = value + length;
for (const char* c = value; c != end; ++c) {
switch (*c) {
case '\"':
result += "\\\"";
break;
case '\\':
result += "\\\\";
break;
case '\b':
result += "\\b";
break;
case '\f':
result += "\\f";
break;
case '\n':
result += "\\n";
break;
case '\r':
result += "\\r";
break;
case '\t':
result += "\\t";
break;
// case '/':
// Even though \/ is considered a legal escape in JSON, a bare
// slash is also legal, so I see no reason to escape it.
// (I hope I am not misunderstanding something.)
// blep notes: actually escaping \/ may be useful in javascript to avoid </
// sequence.
// Should add a flag to allow this compatibility mode and prevent this
// sequence from occurring.
default:
if ((isControlCharacter(*c)) || (*c == 0)) {
JSONCPP_OSTRINGSTREAM oss;
oss << "\\u" << std::hex << std::uppercase << std::setfill('0')
<< std::setw(4) << static_cast<int>(*c);
result += oss.str();
} else {
result += *c;
}
break;
}
}
result += "\"";
return result;
}
