public int explore(string json, int from, int to, JsonExploreListener listener,
string currentPropertyName = null)
{
int pos = from;
for (; pos <= to; pos++)
{
int?nextPos = json.firstCharPosition(cin => cin != ',' && !Char.IsWhiteSpace(cin), pos, to);; //firstNonWhiteSpaceCharacterIndex(json, pos, to);
if (nextPos == null)
{
string strError = String.Format("expected whitespace char after char {0}", pos);
throw new Exception(strError);
}
pos = nextPos.Value;
char c = json[pos];
if (c == '}')
{
listener.JsonEndObject(pos);
return(pos);
}
// read a property Name
int?propertyNameEnd = json.firstCharPosition(cin => cin == ':', pos, to);
if (null == propertyNameEnd)
{
throw new Exception(string.Format("no end found to property name at char {0} property starts with {1} in json {2}", pos, json.Substring(pos), json.Substring(from)));
}
currentPropertyName = json.Substring(pos, propertyNameEnd.Value - pos);
if (currentPropertyName[0] == '"')
{
currentPropertyName = currentPropertyName.Substring(1);
}
if (currentPropertyName.EndsWith("\""))
{
currentPropertyName = currentPropertyName.Substring(0, currentPropertyName.Length - 1);
}
pos = propertyNameEnd.Value + 1;
int?valueStartPos = firstNonWhiteSpaceCharacterIndex(json, pos, to);
if (valueStartPos == null)
{
string strError = String.Format("no value found for property {0} at position {1} in json {2}", currentPropertyName, pos, json);
throw new Exception(strError);
}
c = json[valueStartPos.Value];
if (c == ObjectStart)
{
listener.JsonStartObject(currentPropertyName, valueStartPos.Value);
pos = explore(json, valueStartPos.Value + 1, to, listener, currentPropertyName);
}
else // read a non object
{
pos = readNonObject(json, valueStartPos.Value, to, listener, currentPropertyName);
}
}
return(pos);
}
public void explore(string json, JsonExploreListener listener)
{
int? firstNWSCharIndex = firstNonWhiteSpaceCharacterIndex(json);
int? lastNonWSCharIndex = lastNonWhiteSpaceCharacterIndex(json);
if (firstNWSCharIndex == null || lastNonWSCharIndex == null || json[firstNWSCharIndex.Value] != ObjectStart || json[lastNonWSCharIndex.Value] != ObjectEnd)
{
throw new Exception(String.Format("expected json to start with {0} and end with {1}", ObjectStart, ObjectEnd));
}
listener.JsonStartObject(null, 0);
explore(json, firstNWSCharIndex.Value + 1, lastNonWSCharIndex.Value, listener);
}
public void explore(string json, JsonExploreListener listener)
{
int?firstNWSCharIndex = firstNonWhiteSpaceCharacterIndex(json);
int?lastNonWSCharIndex = lastNonWhiteSpaceCharacterIndex(json);
if (firstNWSCharIndex == null || lastNonWSCharIndex == null || json[firstNWSCharIndex.Value] != ObjectStart || json[lastNonWSCharIndex.Value] != ObjectEnd)
{
throw new Exception(String.Format("expected json to start with {0} and end with {1}", ObjectStart, ObjectEnd));
}
listener.JsonStartObject(null, 0);
explore(json, firstNWSCharIndex.Value + 1, lastNonWSCharIndex.Value, listener);
}
internal int exploreList(string json, int from, int to, JsonExploreListener listener, char terminatingChar,
Func <int, bool> terminate, string listType)
{
// read arguments
for (int pos = from + 1; pos <= to; pos++)
{
int?nextPos = json.firstCharPosition(cin => !Char.IsWhiteSpace(cin), pos, to);
if (nextPos == null)
{
string strError = String.Format("expected whitespace char after char {0}", pos);
throw new Exception(strError);
}
pos = nextPos.Value;
char c = json[pos];
if (c == ',')
{
//throw new Exception("multiple javascript list items not supported");
continue;
}
if (c == terminatingChar)
{
//listener.JsonEndFunction(pos);
terminate(pos);
return(pos);
}
else if (c == ObjectStart)
{
listener.JsonStartObject(/*currentPropertyName*/ null, pos);
pos = explore(json, pos + 1, to, listener, null /*currentPropertyName*/);
}
else // process a leaf !
{
pos = readNonObject(json, pos, to, listener, null);
}
}
throw new Exception(listType + " not terminated");
}
public int explore(string json, int from, int to, JsonExploreListener listener,
string currentPropertyName = null)
{
int pos = from;
for (; pos <= to; pos++)
{
int? nextPos = json.firstCharPosition(cin => cin != ',' && !Char.IsWhiteSpace(cin), pos, to); ;//firstNonWhiteSpaceCharacterIndex(json, pos, to);
if (nextPos == null)
{
string strError = String.Format("expected whitespace char after char {0}", pos);
throw new Exception(strError);
}
pos = nextPos.Value;
char c = json[pos];
if (c == '}')
{
listener.JsonEndObject(pos);
return pos;
}
// read a property Name
int? propertyNameEnd = json.firstCharPosition(cin => cin == ':', pos, to);
if (null == propertyNameEnd)
{
throw new Exception(string.Format("no end found to property name at char {0} property starts with {1} in json {2}", pos, json.Substring(pos), json.Substring(from)));
}
currentPropertyName = json.Substring(pos, propertyNameEnd.Value - pos);
if (currentPropertyName[0] == '"') currentPropertyName = currentPropertyName.Substring(1);
if (currentPropertyName.EndsWith("\"")) currentPropertyName = currentPropertyName.Substring(0, currentPropertyName.Length - 1);
pos = propertyNameEnd.Value + 1;
int? valueStartPos = firstNonWhiteSpaceCharacterIndex(json, pos, to);
if (valueStartPos == null)
{
string strError = String.Format("no value found for property {0} at position {1} in json {2}", currentPropertyName, pos, json);
throw new Exception(strError);
}
c = json[valueStartPos.Value];
if (c == ObjectStart)
{
listener.JsonStartObject(currentPropertyName, valueStartPos.Value);
pos = explore(json, valueStartPos.Value + 1, to, listener, currentPropertyName);
}
else // read a non object
{
pos = readNonObject(json, valueStartPos.Value, to, listener, currentPropertyName);
}
}
return pos;
}
internal int exploreList(string json, int from, int to, JsonExploreListener listener, char terminatingChar,
Func<int, bool> terminate, string listType)
{
// read arguments
for (int pos = from+1; pos <= to; pos++)
{
int? nextPos = json.firstCharPosition(cin => !Char.IsWhiteSpace(cin), pos, to);
if (nextPos == null)
{
string strError = String.Format("expected whitespace char after char {0}", pos);
throw new Exception(strError);
}
pos = nextPos.Value;
char c = json[pos];
if (c==',')
{
//throw new Exception("multiple javascript list items not supported");
continue;
}
if (c == terminatingChar)
{
//listener.JsonEndFunction(pos);
terminate(pos);
return pos;
}
else if (c == ObjectStart)
{
listener.JsonStartObject(/*currentPropertyName*/null, pos);
pos = explore(json, pos + 1, to, listener, null/*currentPropertyName*/);
}
else // process a leaf !
{
pos = readNonObject(json, pos, to, listener, null);
}
}
throw new Exception(listType + " not terminated");
}