private void HandleExtractBlock(char c)
{
switch (c)
{
case '\n':
throw new ParseException("')' is expected here", this.globalIndex);
case '(':
this.stack += c;
this.bracketCount++;
break;
case ')':
if (this.bracketCount == 0)
{
RawExpression rawExpression = new RawExpression(this.globalIndex - this.stack.Length, this.stack);
this.expressions.Add(new Expression(rawExpression));
this.state = ParseStates.Start;
}
else
{
this.bracketCount--;
this.stack += c;
}
break;
default:
this.stack += c;
break;
}
}
private void HandleParsePowerDigit(char c)
{
if (!Char.IsDigit(c) || c == '\n')
{
if (String.IsNullOrEmpty(this.stack))
{
throw new ParseException("Only digits are allowed here", this.globalIndex);
}
int power = int.Parse(this.stack);
if (this.expressions.Count == 0)
{
throw new ParseException("Power operation should follow some expression", this.globalIndex);
}
Expression lastExpression = this.expressions.Last();
for (int i = 0; i < power - 1; i++)
{
this.expressions.Add(lastExpression.Clone());
}
this.state = ParseStates.Start;
this.HandleStart(c);
}
else
{
this.stack += c;
}
}
private string ParseDialogueText(string input)
{
char [] chars = input.ToCharArray();
string output = "";
string temp = "";
ParseStates state = ParseStates.Normal;
for (int i = 0; i < chars.Length; i++)
{
if (chars[i] == '{' && state == ParseStates.Normal)
{
state = ParseStates.Response;
temp = "";
}
else if (chars[i] == '}' && state == ParseStates.Response)
{
state = ParseStates.Normal;
string response = GameManager.Inst.DBManager.DBHandlerDialogue.GetGlobalResponse(temp, GetSpeakerName());
output = output + response;
}
else if (state == ParseStates.Response)
{
temp = temp + chars[i];
}
else if (state == ParseStates.Normal)
{
output = output + chars[i];
}
}
return(output);
}
private void HandleStart(char c)
{
if (c != ' ') // ignore all whitespaces
{
switch (c)
{
case '-':
this.state = ParseStates.WaitSymbols;
this.coeff = -1;
break;
case '+':
throw new ParseException("'+' sign is not expected to be here", this.globalIndex);
case '(':
this.state = ParseStates.EscapeSymbols;
this.blockOffset = this.index;
break;
default:
// here we hit some symbol of expression
this.state = ParseStates.WaitOperand;
this.blockOffset = this.index;
break;
}
}
}
private void reset()
{
this.index = 0;
this.globalIndex = this.rawMultiplier.offset;
this.state = ParseStates.Start;
this.expressions = new List <Expression>();
this.stack = String.Empty;
this.bracketCount = 0;
}
private void reset()
{
this.state = ParseStates.Start;
this.index = 0;
this.blockOffset = 0;
this.globalIndex = rawExpression.offset;
this.coeff = 1;
this.bracketCounter = 0;
}
internal void clear()
{
state = ParseStates.init;
method = ParseMethods.init;
bytePos = 0;
bytesUsed = 0;
charPos = 0;
charsUsed = 0;
sb = new StringBuilder();
}
private void HandleStart(char c)
{
this.stack = String.Empty;
switch (c)
{
case '\n':
break;
case ' ':
// ignore whitespaces
break;
case '(':
this.state = ParseStates.ExtractBlock;
break;
case '^':
this.state = ParseStates.ParsePowerDigit;
break;
default:
if (Char.IsLetter(c))
{
if (Char.IsUpper(c))
{
throw new ParseException("Only lower case letters are allowed", this.globalIndex);
}
this.addSummand(c);
}
else
{
if (Char.IsDigit(c))
{
this.stack += c;
this.state = ParseStates.ParseDigit;
}
else
{
throw new ParseException($"'{c}' symbol is not allowed here", this.globalIndex);
}
}
break;
}
}
private void ProcessCommandData()
{
switch (_parseState)
{
case ParseStates.NAME:
_name = System.Text.ASCIIEncoding.ASCII.GetString(_parseBuffer, 0, _parseBufferCount);
break;
case ParseStates.FIRMWARE:
_firmware = System.Text.ASCIIEncoding.ASCII.GetString(_parseBuffer, 0, _parseBufferCount);
break;
case ParseStates.STATS:
// TODO: Parse stats
break;
}
_parseBufferCount = 0;
_parseState = ParseStates.COMMAND;
}
private void HandleEscapeSymbols(char c)
{
if (c == ')')
{
if (this.bracketCounter == 0)
{
this.state = ParseStates.WaitOperand;
}
else
{
this.bracketCounter--;
}
}
else
{
if (c == '(')
{
this.bracketCounter++;
}
}
}
private void ProcessCommand(byte command)
{
switch (command)
{
case 101:
_devices.Clear();
_parseState = ParseStates.ENUMERATIONCOUNT;
break;
case 102:
_parseState = ParseStates.FIRMWARE;
break;
case 105:
_parseState = ParseStates.STATS;
break;
case 109:
_parseState = ParseStates.MODE;
break;
case 110:
_parseState = ParseStates.NAME;
break;
case 112:
_parseState = ParseStates.PACKET;
break;
case 113: // Timeout
case 114: // Bus Error
if (State == EosBusState.WAITING_RESPONSE)
{
OnResponseReceived((EosPacket)null);
State = EosBusState.POLLING;
}
break;
}
_parseBufferCount = 0;
}
private void HandleParseDigit(char c)
{
if (Char.IsDigit(c) || c == '.')
{
// check whether we have already one dot in stack string
if (c == '.' && this.stack.IndexOf('.') != -1)
{
throw new ParseException("Illigal symbol here", this.globalIndex);
}
this.stack += c;
}
else
{
double coeff = double.Parse(this.stack);
List <Summand> summands = new List <Summand>();
summands.Add(new Summand(coeff, new Dictionary <char, int>()));
this.expressions.Add(new Expression(summands));
this.state = ParseStates.Start;
this.HandleStart(c);
}
}
private void ProcessMode(byte mode)
{
switch (mode)
{
case 112:
State = EosBusState.POLLING;
break;
case 115:
State = EosBusState.SCANNING;
break;
case 119:
State = EosBusState.WAITING_RESPONSE;
break;
case 105:
State = EosBusState.IDLE;
break;
}
_parseState = ParseStates.COMMAND;
}
private void HandleWaitSymbols(char c)
{
switch (c)
{
case '+':
case '-':
throw new ParseException("Summand symbols are expected here, not operand", this.globalIndex);
case ' ':
break;
case '(':
this.blockOffset = index;
this.state = ParseStates.EscapeSymbols;
break;
default:
this.blockOffset = index;
this.state = ParseStates.WaitOperand;
break;
}
}
private RawMultiplier HandleWaitOperand(char c)
{
if (c == '+' || c == '-')
{
string rawBlockString = this.rawExpression
.rawString.Substring(this.blockOffset, index - this.blockOffset);
RawMultiplier output = new RawMultiplier(this.blockOffset, rawBlockString, this.coeff);
// define coefficent
this.coeff = (c == '-') ? -1 : 1;
this.state = ParseStates.WaitSymbols;
return(output);
}
else
{
if (c == '(')
{
this.state = ParseStates.EscapeSymbols;
}
}
return(null);
}
/// <summary>
/// Process the indicated number of bytes and sent data to the transport
/// stream as needed.
/// </summary>
/// <param name="buffer">Some buffer.</param>
/// <param name="start">First byte to process.</param>
/// <param name="length">Total number of bytes to process.</param>
public virtual void AddPayload( byte[] buffer, int start, int length )
{
// Not active
if (IgnoreInput)
return;
// All
for (int i = start, l = length; l-- > 0; )
{
// To test
byte test = buffer[i++];
// Count total number of bytes
++Position;
// Check mode
if (ParseStates.Synchronize == State)
{
// Wait for zero
if (test == 0)
State = ParseStates.Found0;
// Next
continue;
}
// Check mode
if (ParseStates.Found00 == State)
{
// Wait for one
if (test == 1)
{
// Next
State = ParseStates.Found001;
// Next
continue;
}
// Fall back
State = ParseStates.Found0;
}
// Check mode
if (ParseStates.Found0 == State)
{
// Set
State = (test == 0) ? ParseStates.Found00 : ParseStates.Synchronize;
// Next
continue;
}
// Check mode
if (ParseStates.Found001 == State)
{
// Check for start code
if (StartCode != 0)
{
// Set
State = (test == StartCode) ? ParseStates.LenHigh : ((0 == test) ? ParseStates.Found0 : ParseStates.Synchronize);
}
else if (IsValidStartCode( test ))
{
// Remember
LastStartCode = test;
// Set
State = ParseStates.LenHigh;
}
else
{
// Restart
State = (test == 0) ? ParseStates.Found0 : ParseStates.Synchronize;
}
// Next
continue;
}
// Length high byte
if (ParseStates.LenHigh == State)
{
// Remember
LastLenHigh = test;
// Advance
State = ParseStates.LenLow;
// Go on
continue;
}
// Length low byte
if (ParseStates.LenLow == State)
{
// Remember
LastLenLow = test;
// Advance
State = ParseStates.Found;
}
// Not found
if (ParseStates.Found != State)
continue;
// Construct length
int pesLength = LastLenLow + 256 * LastLenHigh;
// Validate
if (!IsValidLength( pesLength ))
{
// Reset state
if (LastLenLow == 0)
if (LastLenHigh == 0)
State = ParseStates.Found00;
else
State = ParseStates.Found0;
else
State = ParseStates.Synchronize;
// Go on
continue;
}
// Length to process
int found = i - start;
// Flush buffers
Flush( buffer, start, found, 6 );
// Time to adjust delayed buffer
if (StartCode == 0)
{
// Copy to the very beginning
Array.Copy( Delayed, DelayedBytes - 6, Delayed, 0, 6 );
// Reset
DelayedBytes = 6;
}
// Next write will be a start
IsFirst = true;
// Readjust buffer
start = i;
length -= found;
// Remember
StartCode = LastStartCode;
// Reset
State = ParseStates.Synchronize;
}
// Set delay mode
int delay = 0;
// Check state
switch (State)
{
case ParseStates.Found0: delay = 1; break;
case ParseStates.Found00: delay = 2; break;
case ParseStates.Found001: delay = 3; break;
case ParseStates.LenHigh: delay = 4; break;
case ParseStates.LenLow: delay = 5; break;
}
// All but these
Flush( buffer, start, length, delay );
}
public void parseJson(string json, string parentName = "", bool tryParseInvalidJson = false, SOType forceType = SOType.Undefined)
{
var currentObject = this.root;
if (parentName != "")
{
currentObject = this.find(parentName, true, root);
}
currentObject.name = parentName;
ParseStates state = ParseStates.findValueStart;
bool ignoreNextChar = false;
StringBuilder currentStringContent = new StringBuilder();
StringBuilder currentNumberContent = new StringBuilder();
StringBuilder currentSpecialWordContent = new StringBuilder();
StringBuilder currentChildName = new StringBuilder();
int currLine = 1;
int currCol = 1;
int max = json.Length;
char curr = ' ';
for (int cont = 0; cont < max; cont++)
{
curr = json[cont];
currCol++;
if (curr == '\n')
{
currCol = 1;
currLine++;
}
switch (state)
{
case ParseStates.findingStart:
if (curr == '"')
{
if (currentObject.isArray())
{
state = ParseStates.prepareArray;
}
else
{
state = ParseStates.readingName;
}
currentChildName.Clear();
}
else if ((curr == ',') /* || (curr == '[') || (curr == '{')*/)
{
if (currentObject.isArray())
{
state = ParseStates.prepareArray;
}
}
else if ((curr == '}') || (curr == ']'))
{
if (parentName.Contains('.'))
{
parentName = parentName.Substring(0, parentName.LastIndexOf('.'));
currentObject = currentObject.parent;
}
else
{
parentName = "";
currentObject = root;
}
}
break;
case ParseStates.readingName:
if (curr == '"')
{
state = ParseStates.waitingKeyValueSep;
currentObject = this.find(currentChildName.ToString(), true, currentObject, forceType);
currentObject.name = currentChildName.ToString();
parentName = parentName + (parentName != "" ? "." : "") + currentChildName;
}
else
{
currentChildName.Append(curr);
}
break;
case ParseStates.waitingKeyValueSep:
if (curr == ':')
{
state = ParseStates.findValueStart;
}
break;
case ParseStates.findValueStart:
if (curr == '"')
{
state = ParseStates.readingContentString;
currentStringContent.Clear();
}
else if (curr == '{')
{
state = ParseStates.findingStart;
}
else if (curr == '[')
{
state = ParseStates.prepareArray;
}
else if ("0123456789-+.".Contains(curr))
{
state = ParseStates.readingContentNumber;
currentNumberContent.Clear();
cont--;
currCol--;
}
else if ("untf".Contains(curr))
{
state = ParseStates.readingContentSpecialWord;
currentSpecialWordContent.Clear();
cont--;
currCol--;
}
else if (curr == ']')
{
//delete currenObject
var temp = currentObject;
if (parentName.Contains('.'))
{
parentName = parentName.Substring(0, parentName.LastIndexOf('.'));
currentObject = currentObject.parent;
}
else
{
parentName = "";
currentObject = root;
}
currentObject.delete(temp.name);
cont--;
currCol--;
state = ParseStates.findingStart;
}
else if (!" \t\r\n".Contains(curr))
{
if (!tryParseInvalidJson)
{
throw new Exception("SintaxError at line " + currLine + " and column " + currCol + ". Expected ' '(space), \t, \r or \n, but found " + curr + ".");
}
}
break;
case ParseStates.prepareArray:
//state = "findingStart";
currentChildName.Clear();
currentChildName.Append(currentObject.__getChildsNames().Count.ToString());
currentObject = this.find(currentChildName.ToString(), true, currentObject, forceType);
currentObject.name = currentChildName.ToString();
parentName = parentName + (parentName != "" ? "." : "") + currentChildName;
state = ParseStates.findValueStart;
cont--;
currCol--;
break;
case ParseStates.readingContentString:
if (ignoreNextChar)
{
currentStringContent.Append(curr);
ignoreNextChar = false;
}
else if (curr == '\\')
{
ignoreNextChar = true;
currentStringContent.Append(curr);
}
else if (curr == '"')
{
currentObject.setSingleValue(currentStringContent.ToString());
//return to parent Object
if (parentName.Contains('.'))
{
parentName = parentName.Substring(0, parentName.LastIndexOf('.'));
currentObject = currentObject.parent;
}
else
{
parentName = "";
currentObject = root;
}
state = ParseStates.findingStart;
}
else
{
currentStringContent.Append(curr);
}
break;
case ParseStates.readingContentNumber:
if ("0123456789.-+".Contains(curr))
{
currentNumberContent.Append(curr);
}
else
{
currentObject.setSingleValue(currentNumberContent.ToString());
//return to parent Object
if (parentName.Contains('.'))
{
parentName = parentName.Substring(0, parentName.LastIndexOf('.'));
currentObject = currentObject.parent;
}
else
{
parentName = "";
currentObject = root;
}
cont--;
state = ParseStates.findingStart;
}
break;
case ParseStates.readingContentSpecialWord:
if ("truefalseundefindednul".Contains(curr))
{
currentSpecialWordContent.Append(curr);
}
else
{
string strTemp = currentSpecialWordContent.ToString();
if ((strTemp == "true") ||
(strTemp == "false") ||
(strTemp == "null") ||
(strTemp == "undefined"))
{
currentObject.setSingleValue(strTemp);
//return to parent Object
if (parentName.Contains('.'))
{
parentName = parentName.Substring(0, parentName.LastIndexOf('.'));
currentObject = currentObject.parent;
}
else
{
parentName = "";
currentObject = root;
}
cont--;
state = ParseStates.findingStart;
}
else
{
if (!tryParseInvalidJson)
{
throw new Exception("Invalid simbol at line " + currLine + " and column " + currCol + ": " + currentSpecialWordContent);
}
}
}
break;
}
}
}
/// <summary>
/// Process the indicated number of bytes and sent data to the transport
/// stream as needed.
/// </summary>
/// <param name="buffer">Some buffer.</param>
/// <param name="start">First byte to process.</param>
/// <param name="length">Total number of bytes to process.</param>
public virtual void AddPayload(byte[] buffer, int start, int length)
{
// Not active
if (IgnoreInput)
{
return;
}
// All
for (int i = start, l = length; l-- > 0;)
{
// To test
byte test = buffer[i++];
// Count total number of bytes
++Position;
// Check mode
if (ParseStates.Synchronize == State)
{
// Wait for zero
if (test == 0)
{
State = ParseStates.Found0;
}
// Next
continue;
}
// Check mode
if (ParseStates.Found00 == State)
{
// Wait for one
if (test == 1)
{
// Next
State = ParseStates.Found001;
// Next
continue;
}
// Fall back
State = ParseStates.Found0;
}
// Check mode
if (ParseStates.Found0 == State)
{
// Set
State = (test == 0) ? ParseStates.Found00 : ParseStates.Synchronize;
// Next
continue;
}
// Check mode
if (ParseStates.Found001 == State)
{
// Check for start code
if (StartCode != 0)
{
// Set
State = (test == StartCode) ? ParseStates.LenHigh : ((0 == test) ? ParseStates.Found0 : ParseStates.Synchronize);
}
else if (IsValidStartCode(test))
{
// Remember
LastStartCode = test;
// Set
State = ParseStates.LenHigh;
}
else
{
// Restart
State = (test == 0) ? ParseStates.Found0 : ParseStates.Synchronize;
}
// Next
continue;
}
// Length high byte
if (ParseStates.LenHigh == State)
{
// Remember
LastLenHigh = test;
// Advance
State = ParseStates.LenLow;
// Go on
continue;
}
// Length low byte
if (ParseStates.LenLow == State)
{
// Remember
LastLenLow = test;
// Advance
State = ParseStates.Found;
}
// Not found
if (ParseStates.Found != State)
{
continue;
}
// Construct length
int pesLength = LastLenLow + 256 * LastLenHigh;
// Validate
if (!IsValidLength(pesLength))
{
// Reset state
if (LastLenLow == 0)
{
if (LastLenHigh == 0)
{
State = ParseStates.Found00;
}
else
{
State = ParseStates.Found0;
}
}
else
{
State = ParseStates.Synchronize;
}
// Go on
continue;
}
// Length to process
int found = i - start;
// Flush buffers
Flush(buffer, start, found, 6);
// Time to adjust delayed buffer
if (StartCode == 0)
{
// Copy to the very beginning
Array.Copy(Delayed, DelayedBytes - 6, Delayed, 0, 6);
// Reset
DelayedBytes = 6;
}
// Next write will be a start
IsFirst = true;
// Readjust buffer
start = i;
length -= found;
// Remember
StartCode = LastStartCode;
// Reset
State = ParseStates.Synchronize;
}
// Set delay mode
int delay = 0;
// Check state
switch (State)
{
case ParseStates.Found0: delay = 1; break;
case ParseStates.Found00: delay = 2; break;
case ParseStates.Found001: delay = 3; break;
case ParseStates.LenHigh: delay = 4; break;
case ParseStates.LenLow: delay = 5; break;
}
// All but these
Flush(buffer, start, length, delay);
}
public override void ProcessData(byte[] buffer, int offset, int length)
{
for (int i = 0; i < length; i++)
{
byte data = buffer[offset + i];
switch (_parseState)
{
case ParseStates.COMMAND:
ProcessCommand(data);
break;
case ParseStates.MODE:
ProcessMode(data);
break;
case ParseStates.PACKET:
_parseBuffer[_parseBufferCount++] = data;
if ((_parseBufferCount == 4 && _parseBuffer[3] == 0) ||
(_parseBufferCount > 4 && _parseBufferCount == (4 + _parseBuffer[3])))
{
EosPacket packet = new EosPacket();
packet.Destination = _parseBuffer[0];
packet.Source = _parseBuffer[1];
packet.Command = _parseBuffer[2];
for (int j = 0; j < _parseBuffer[3]; j++)
{
packet.Add(_parseBuffer[4 + j]);
}
OnPacketReceived(packet);
if (State == EosBusState.WAITING_RESPONSE)
{
OnResponseReceived(packet);
}
if (packet.Command == 127 && packet.Data.Count > 0)
{
EosDevice device = Devices.GetByAddress(packet.Source);
device.UpdateState(packet);
OnDeviceUpdated(device);
}
_parseState = ParseStates.COMMAND;
//Console.WriteLine();
}
break;
case ParseStates.ENUMERATIONCOUNT:
if (data > 0)
{
_parseBuffer[0] = data;
_parseState = ParseStates.ENUMERATION;
}
else
{
_parseState = ParseStates.COMMAND;
}
break;
case ParseStates.ENUMERATION:
_parseBuffer[1 + _parseBufferCount++] = data;
if (_parseBufferCount == 21)
{
List <byte> deviceData = new List <byte>(20);
for (int j = 0; j < 20; j++)
{
deviceData.Add(_parseBuffer[2 + j]);
}
_devices.Add(new EosDevice(this, _parseBuffer[1], deviceData));
_parseBuffer[0]--;
_parseBufferCount = 0;
if (_parseBuffer[0] == 0)
{
_parseState = ParseStates.COMMAND;
OnBusReset();
//Console.WriteLine();
}
}
break;
default:
if (data == 58)
{
ProcessCommandData();
//Console.WriteLine();
}
else
{
_parseBuffer[_parseBufferCount++] = data;
}
break;
}
}
}
