void Graph::fromJSON( const JsonValue& root )
{
if ( !mSections.empty() )
clear();
SPARK_ASSERT( root.getTag() == JSON_TAG_OBJECT );
JsonNode* node = root.toNode();
while ( node )
{
if ( strcmp( node->key, cGraphSections ) == 0 )
{
SPARK_ASSERT( node->value.getTag() == JSON_TAG_ARRAY );
JsonNode* sections = node->value.toNode();
while ( sections )
{
GraphSection* section = new GraphSection();
section->fromJSON( sections->value );
mSections.push_back( section );
sections = sections->next;
}
}
node = node->next;
}
}
bool isRegularObjArray( const JsonValue &a ) {
// check if all JSON_OBJECTs in JSON_ARRAY have the same fields
JsonValue o=a.toNode()->value; siz k, n; const char **keys;
n=length(o); keys=new const char*[n];
k=0; for(auto j:o) keys[k++]=j->key;
for( auto i:a ) {
if(length(i->value)!=n) return false; k=0;
for(auto j:i->value) if(strcmp(j->key,keys[k++])) return false;
}
delete [] keys; return true;
}
void GraphManager::fromJSON( const JsonValue& root )
{
SPARK_ASSERT( root.getTag() == JSON_TAG_ARRAY );
JsonNode* node = root.toNode();
while ( node )
{
Graph* graph = new Graph();
graph->fromJSON( node->value );
mGraphs.push_back( graph );
node = node->next;
}
}
bool VibratorPacket::parseFrom( const JsonValue& root )
{
if ( root.getTag() != JSON_TAG_OBJECT )
return false;
JsonNode* node = root.toNode();
while ( node )
{
if ( strcmp( node->key, "i" ) == 0 )
{
if ( node->value.getTag() != JSON_TAG_NUMBER )
return false;
index = node->value.toNumber();
}
else if ( strcmp( node->key, "cmd" ) == 0 )
{
if ( node->value.getTag() != JSON_TAG_STRING )
return false;
if ( strcmp( node->value.toString(), "graph" ) == 0 )
command = Command_Graph;
else if ( strcmp( node->value.toString(), "pause" ) == 0 )
command = Command_Pause;
else if ( strcmp( node->value.toString(), "continue" ) == 0 )
command = Command_Continue;
else if ( strcmp( node->value.toString(), "stop" ) == 0 )
command = Command_Stop;
else
return false;
}
else if ( strcmp( node->key, "graph" ) == 0 )
{
if ( node->value.getTag() != JSON_TAG_NUMBER )
return false;
graph = node->value.toNumber();
}
node = node->next;
}
return true;
}
void GraphSection::fromJSON( const JsonValue& root )
{
SPARK_ASSERT( root.getTag() == JSON_TAG_OBJECT );
JsonNode* node = root.toNode();
while ( node )
{
if ( strcmp( node->key, cSectionType ) == 0 )
{
SPARK_ASSERT( node->value.getTag() == JSON_TAG_STRING );
for ( int i = 0; i < Interp_MAX; i++ )
if ( strcmp( node->value.toString(), cInterpolationMethods[i] ) == 0 )
{
mInterpolation = (Interpolation)i;
break;
}
}
else if ( strcmp( node->key, cSectionData ) == 0 )
{
SPARK_ASSERT( node->value.getTag() == JSON_TAG_ARRAY );
int i = 0;
JsonNode* data = node->value.toNode();
while ( data )
{
SPARK_ASSERT( data->value.getTag() == JSON_TAG_NUMBER );
if ( i == 0 )
mBegin = data->value.toNumber();
else if ( i == 1 )
mEnd = data->value.toNumber();
else if ( i == 2 )
mLength = data->value.toNumber();
i++;
data = data->next;
}
}
node = node->next;
}
}
siz length( const JsonValue &a ) {
// get number of elements in JSON_ARRAY or JSON_OBJECT
siz k=0; auto n=a.toNode(); while(n) { k++; n=n->next; } return k;
}
static void dumpValue(std::ostringstream& os, const JsonValue& o, int shiftWidth, const std::string& linefeed = "", int indent = 0) {
switch (o.getTag()) {
case JSON_NUMBER:
char buffer[32];
sprintf(buffer, "%f", o.toNumber());
os << buffer;
break;
case JSON_TRUE:
os << "true";
break;
case JSON_FALSE:
os << "false";
break;
case JSON_STRING:
dumpString(os, o.toString());
break;
case JSON_ARRAY:
// It is not necessary to use o.toNode() to check if an array or object
// is empty before iterating over its members, we do it here to allow
// nicer pretty printing.
if (!o.toNode()) {
os << "[]";
break;
}
os << "[" << linefeed;
for (auto i : o) {
if (shiftWidth > 0)
os << std::setw(indent + shiftWidth) << " " << std::setw(0);
dumpValue(os, i->value, shiftWidth, linefeed, indent + shiftWidth);
if (i->next)
os << ",";
os << linefeed;
}
if (indent > 0)
os << std::setw(indent) << " " << std::setw(0);
os.put(']');
break;
case JSON_OBJECT:
if (!o.toNode()) {
os << "{}";
break;
}
os << "{" << linefeed;
for (auto i : o) {
if (shiftWidth > 0)
os << std::setw(indent + shiftWidth) << " " << std::setw(0);
dumpString(os, i->key);
os << ":";
dumpValue(os, i->value, shiftWidth, linefeed, indent + shiftWidth);
if (i->next)
os << ",";
os << linefeed;
}
if (indent > 0)
os << std::setw(indent) << " " << std::setw(0);
os.put('}');
break;
case JSON_NULL:
os << "null";
break;
}
}
