bool TRI_PrintJson (int fd, TRI_json_t const* object) {
TRI_string_buffer_t buffer;
char const* p;
size_t n;
TRI_InitStringBuffer(&buffer, TRI_UNKNOWN_MEM_ZONE);
StringifyJson(buffer._memoryZone, &buffer, object, true);
p = TRI_BeginStringBuffer(&buffer);
n = TRI_LengthStringBuffer(&buffer);
while (0 < n) {
ssize_t m = TRI_WRITE(fd, p, n);
if (m <= 0) {
TRI_AnnihilateStringBuffer(&buffer);
return false;
}
n -= m;
p += m;
}
TRI_AnnihilateStringBuffer(&buffer);
return true;
}
static bool PrintVelocyPack(int fd, VPackSlice const& slice,
bool appendNewline) {
if (slice.isNone()) {
// sanity check
return false;
}
TRI_string_buffer_t buffer;
TRI_InitStringBuffer(&buffer, TRI_UNKNOWN_MEM_ZONE);
arangodb::basics::VPackStringBufferAdapter bufferAdapter(&buffer);
try {
VPackDumper dumper(&bufferAdapter);
dumper.dump(slice);
} catch (...) {
// Writing failed
TRI_AnnihilateStringBuffer(&buffer);
return false;
}
if (TRI_LengthStringBuffer(&buffer) == 0) {
// should not happen
return false;
}
if (appendNewline) {
// add the newline here so we only need one write operation in the ideal
// case
TRI_AppendCharStringBuffer(&buffer, '\n');
}
char const* p = TRI_BeginStringBuffer(&buffer);
size_t n = TRI_LengthStringBuffer(&buffer);
while (0 < n) {
ssize_t m = TRI_WRITE(fd, p, (TRI_write_t)n);
if (m <= 0) {
TRI_AnnihilateStringBuffer(&buffer);
return false;
}
n -= m;
p += m;
}
TRI_AnnihilateStringBuffer(&buffer);
return true;
}
bool TRI_PrintJson (int fd,
TRI_json_t const* object,
bool appendNewline) {
TRI_string_buffer_t buffer;
char const* p;
size_t n;
if (object == NULL) {
// sanity check
return false;
}
TRI_InitStringBuffer(&buffer, TRI_UNKNOWN_MEM_ZONE);
if (StringifyJson(buffer._memoryZone, &buffer, object, true) != TRI_ERROR_NO_ERROR) {
TRI_AnnihilateStringBuffer(&buffer);
return false;
}
if (TRI_LengthStringBuffer(&buffer) == 0) {
// should not happen
return false;
}
if (appendNewline) {
// add the newline here so we only need one write operation in the ideal case
TRI_AppendCharStringBuffer(&buffer, '\n');
}
p = TRI_BeginStringBuffer(&buffer);
n = TRI_LengthStringBuffer(&buffer);
while (0 < n) {
ssize_t m = TRI_WRITE(fd, p, (TRI_write_t) n);
if (m <= 0) {
TRI_AnnihilateStringBuffer(&buffer);
return false;
}
n -= m;
p += m;
}
TRI_AnnihilateStringBuffer(&buffer);
return true;
}
