#include "simdjson/jsonparser.h"
#ifdef _MSC_VER
#include
#include
#else
#include
#endif
extern bool json_parse(const char *buf, size_t len, ParsedJson &pj,
bool reallocifneeded);
extern bool json_parse(const std::string_view &s, ParsedJson &pj,
bool reallocifneeded);
extern ParsedJson build_parsed_json(const char *buf, size_t len,
bool reallocifneeded);
extern ParsedJson build_parsed_json(const std::string_view &s,
bool reallocifneeded);
// parse a document found in buf, need to preallocate ParsedJson.
WARN_UNUSED
bool json_parse(const uint8_t *buf, size_t len, ParsedJson &pj,
bool reallocifneeded) {
if (pj.bytecapacity < len) {
std::cerr << "Your ParsedJson cannot support documents that big: " << len
<< std::endl;
return false;
}
bool reallocated = false;
if (reallocifneeded) {
// realloc is needed if the end of the memory crosses a page
#ifdef _MSC_VER
SYSTEM_INFO sysInfo;
GetSystemInfo(&sysInfo);
long pagesize = sysInfo.dwPageSize;
#else
long pagesize = sysconf(_SC_PAGESIZE);
#endif
if ((reinterpret_cast(buf + len - 1) % pagesize) <
SIMDJSON_PADDING) {
const uint8_t *tmpbuf = buf;
buf = (uint8_t *)allocate_padded_buffer(len);
if (buf == NULL)
return false;
memcpy((void *)buf, tmpbuf, len);
reallocated = true;
}
}
bool isok = find_structural_bits(buf, len, pj);
/*if (isok) {
isok = flatten_indexes(len, pj);
} else {
if(reallocated) free((void*)buf);
return false;
}*/
if (isok) {
isok = unified_machine(buf, len, pj);
} else {
if (reallocated)
free((void *)buf);
return false;
}
if (reallocated)
free((void *)buf);
return isok;
}
WARN_UNUSED
ParsedJson build_parsed_json(const uint8_t *buf, size_t len,
bool reallocifneeded) {
ParsedJson pj;
bool ok = pj.allocateCapacity(len);
if (ok) {
ok = json_parse(buf, len, pj, reallocifneeded);
assert(ok == pj.isValid());
} else {
std::cerr << "failure during memory allocation " << std::endl;
}
return pj;
}