/* 
*
*  ProLinga-Validate
*
*  Copyright (C) 2002-2009 Xobas Software.
*  All rights reserved.
*  
*  This file is part of ProLinga-Validate.
*
*  ProLinga-Validate is free software: you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  ProLinga-Validate is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with ProLinga-Validate.  If not, see <http://www.gnu.org/licenses/>.
*
*  More information is available at the following addresses:
*
*  Website     : http://www.prolinga.org
*
*  Email       : prolinga-list@prolinga.org
*
*
*/

#include "ValCommon.h"
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include <libxml/xpath.h>
#include "VCRepositoryCommand.hpp"

#define DR_READ_WRITE		1
#define DR_READ_WRITE_READ_ONLY	2

bool IsControlFunctionName(const char *argument)
{
	if (strcmp(argument, "datamanager") == 0) return true;
	else if (strcmp(argument, "appndev") == 0) return true;
	else if (strcmp(argument, "cancel") == 0) return true;
	else if (strcmp(argument, "commit") == 0) return true;
	else if (strcmp(argument, "exit") == 0) return true;
	else if (strcmp(argument, "logon") == 0) return true;
	else if (strcmp(argument, "logout") == 0) return true;
	else if (strcmp(argument, "painter") == 0) return true;
	else if (strcmp(argument, "user") == 0) return true;
	else if (strcmp(argument, "validate") == 0) return true;

	/* Return */
	return false;
}

bool IsUnsignedInteger(const char *string)
{
	if (string == NULL)
		return false;

	const int len = strlen(string);

	for(int i = 0;i < len;++i)
		if (!isdigit(string[i]))
			return false;
	/* Return */
	return true;
}

bool IsNumeric(const char *string)
{
	double num;
	const int len = strlen(string);
	int decimal = 0;

	num = atof(string);
	if (num == 0)
	{
		/* Check if 0 is result as error or 0 input */
		for(int i = 0;i < len;++i)
		{
			if (string[i] == '0') 
				continue;

			if ((i == 0) && (string[i] == '-'))
				continue;

			if (string[i] == '.') 
			{
				decimal++;
				if (decimal <= 1)
					continue;
			}

			/* Encountered invalid character */
			return false;
		}
	}

	/* Return */
	return true;
}

bool IsObjectName(const char *applicationName, const char *objType, const char *argument)
{
	char tmpValue[255], *tableName = NULL, *recName = NULL, *token;
	int i;
	bool check = false;

	/* Exception for Record */
	if ((strcmp(objType, "Record") == 0) || (strcmp(objType, "Table") == 0))
	{
		/* Get Table and Record Name */
		strcpy(tmpValue, argument);
		token = strtok((char *)tmpValue, ".");

		i = 1;
		while (token != NULL)
		{
			if (i == 1)
				tableName = token;
			if (i == 2)
				recName = token;

			token = strtok(NULL, ".");
			i++;
		}

		/* If invalid number of argument parts, return false */
		if ((i < 2) || (i > 3))
			return false;

		/* If no record specified, record is default (HACK is table name for time being) */
		if (i == 2)
			recName = tableName;

		/* Check if Table is valid */
		if (tableName == NULL)
			return false;

		check = VCrepPresent(applicationName, "Table", tableName);
		if (check == false)
			return false;

		/* Check if Record is valid */
		if (recName == NULL)
			return false;

		check = VCrepPresent(applicationName, "Record", recName);
		if (check == false)
			return false;

		/* Check if Record is part of Table */
		return VCrepItemPresent(applicationName, recName, "Table", tableName);
	}
	else
	{
		/* Check if valid Object */
		return VCrepPresent(applicationName, objType, argument);
	}
}

bool IsValidBuiltInFunc(const int r_rw, const char *argument)
{

	/* Quick and Dirty. To be worked on once all built-ins are defined */

	if ((strncmp(argument, "APPN",4 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "APPNDEV",7 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "CLIP",4 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "COMPILEINFO",11 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "CONFIGFILE",10 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "DATAMODELSTATUS",15 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "DATE",4 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "ERRORRETURN",11 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "EXPANDINSERT",12 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "EXPANDUPDATE",12 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "FALSE",5 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "LENGTH",6 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "LISTCOLCOUNT",12 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "LISTROWCOUNT",12 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "NEWLINE",7 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if (strncmp(argument, "QUITLASTSCREEN",14 ) == 0) return true;
	else if ((strncmp(argument, "REPOSITORYINFO",14 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if (strncmp(argument, "REPOSITORYSTATUS",16 ) == 0) return true;
	else if (strncmp(argument, "SQLINFO",7 ) == 0) return true;
	else if (strncmp(argument, "SQLRETURN",9 ) == 0) return true;
	else if (strncmp(argument, "SQLSTATUS",9 ) == 0) return true;
	else if (strncmp(argument, "TABLESTATUS",11 ) == 0) return true;
	else if ((strncmp(argument, "TEXTSTATUS",10 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "THREADEXIT",10 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if (strncmp(argument, "THREADSTATUS",12 ) == 0) return true;
	else if ((strncmp(argument, "TIME",4 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "TOLOWER",7 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "TOUPPER",7 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "TRUE",4 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "USER",4 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "UTCSTAMP",8 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if (strncmp(argument, "VALIDATESTATUS",14 ) == 0) return true;
	else if ((strncmp(argument, "VERSION",7 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "WEBPARAMETER",12 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;
	else if ((strncmp(argument, "XMLSTATUS",9 ) == 0) && (r_rw == DR_READ_WRITE_READ_ONLY)) return true;

	/* Return */
	return false;
}

bool IsValidGroupDataRef(const int r_rw, const char *applicationName, const char *argument)
{
	char argumentValue[255], tmpValue[255], *token, *tableName = NULL, *recName = NULL;
	int i;
	bool check;

	strcpy(argumentValue, argument);

	/* Check if valid DataModel */
	//if ((r_rw == DR_READ_WRITE_READ_ONLY) && (argumentValue[0] == 'O') && (argumentValue[1] == '-'))
	//	return VCrepPresent(applicationName, "DataModel", argumentValue+2);

	if ((argumentValue[0] == 'O') && (argumentValue[1] == '-'))
		return VCrepPresent(applicationName, "DataModel", argumentValue+2);

	/* Check if valid VariableGroup */
	else if ((argumentValue[0] == 'H') && (argumentValue[1] == '-'))
		return VCrepPresent(applicationName, "VariableGroup", argumentValue+2);

	/* Check if valid Record */
	else if ((argumentValue[0] == 'R') && (argumentValue[1] == '-'))
	{
		/* Get Table and Record Name */
		strcpy(tmpValue, argumentValue+2);
		token = strtok((char *)tmpValue, ".");

		i = 1;
		while (token != NULL)
		{
			if (i == 1)
				tableName = token;
			if (i == 2)
				recName = token;

			token = strtok(NULL, ".");
			i++;
		}

		/* If invalid number of argument parts, return false */
		if ((i < 2) || (i > 3))
			return false;

		/* If no record specified, record is default (HACK is table name for time being) */
		if (i == 2)
			recName = tableName;

		/* Check if Table is valid */
		if (tableName == NULL)
			return false;

		check = VCrepPresent(applicationName, "Table", tableName);
		if (check == false)
			return false;

		/* Check if Record is valid */
		if (recName == NULL)
			return false;

		check = VCrepPresent(applicationName, "Record", recName);
		if (check == false)
			return false;

		/* Check if Record is part of Table */
		return VCrepItemPresent(applicationName, recName, "Table", tableName);
	}

	else
		/* Return */
		return false;
}

bool IsValidSingleDataRef(const int r_rw, const char *applicationName, const char *argument)
{
	char *dataModelName = NULL, *variableGroupName = NULL, *dataName = NULL, *recName = NULL, *tableName = NULL, tmpValue[1024], *token, *pickName = NULL;
	char *entryId = NULL, argumentValue[255], *substrExt = NULL, *position, *range = NULL, *string = NULL, *screenName;
	bool check = false;
	int i, j;

	/* If substring extension, strip */
	strcpy(tmpValue, argument);
	token = strtok((char *)tmpValue, "[");
	i = 1;
	while (token != NULL)
	{
		if (i == 1)
			string = token;
		else if (i == 2)
			substrExt = token;

		token = strtok(NULL, "[");
		i++;
	}
	if (string == NULL)
		strcpy(argumentValue, "");
	else
		strcpy(argumentValue, string);
	

	if (i > 3)
		return false;

	if (i == 3)
	{
		if (substrExt == NULL)
			return false;

		/* Check substring def */
		if (substrExt[(strlen(substrExt)-1)] != ']')
			return false;
		else
			substrExt[(strlen(substrExt)-1)] = '\0';

		/* Split position and range */
		strcpy(tmpValue, substrExt);
		token = strtok((char *)tmpValue, ",");
		j = 1;
		while (token != NULL)
		{
			if (j == 1)
				position = token;
			else if (j == 2)
				range = token;

			token = strtok(NULL, ",");
			j++;
		}

		if (j != 3)
			return false;

		/* Check for valid number */
		check = IsUnsignedInteger(position);
		if (check == false)
		{
			check = IsValidSingleDataRef(DR_READ_WRITE_READ_ONLY, applicationName, position);
			if (check == false)
				return false;
		}

		check = IsUnsignedInteger(range);
		if (check == false)
		{
			check = IsValidSingleDataRef(DR_READ_WRITE_READ_ONLY, applicationName, range);
			if (check == false)
				return false;
		}

	}

	/* Check if valid Variable */
	if ((argumentValue[0] == 'V') && (argumentValue[1] == '-'))
		return VCrepPresent(applicationName, "Variable", argumentValue+2);

	/* Check if valid Blob */
	else if ((argumentValue[0] == 'B') && (argumentValue[1] == '-'))
		return VCrepPresent(applicationName, "Blob", argumentValue+2);

	/* Check if valid Constant */
	else if ((r_rw == DR_READ_WRITE_READ_ONLY) && (argumentValue[0] == 'C') && (argumentValue[1] == '-'))
		return VCrepPresent(applicationName, "Constant", argumentValue+2);

	/* Check if valid DataDictionary */
	//else if ((argumentValue[0] == 'D') && (argumentValue[1] == '-'))
	//	return VCrepPresent(applicationName, "DataDictionary", argumentValue+2);

	/* Check if valid ErrorDialog */
	else if ((r_rw == DR_READ_WRITE_READ_ONLY) && (argumentValue[0] == 'E') && (argumentValue[1] == '-'))
		return VCrepPresent(applicationName, "ErrorDialog", argumentValue+2);

	/* Check if valid TextDocument */
	else if ((argumentValue[0] == 'X') && (argumentValue[1] == '-'))
		return VCrepPresent(applicationName, "TextDocument", argumentValue+2);

	/* Check if valid Local Variable */
	else if ((argumentValue[0] == 'L') && (argumentValue[1] == '-'))
		return VCrepPresent(applicationName, "DataDictionary", argumentValue+2);

	/* Check if valid DataDictionary */
	else if ((argumentValue[0] == 'T') && (argumentValue[1] == '-'))
		return VCrepPresent(applicationName, "Table", argumentValue+2);

	/* Check if valid screen widget entry */
	else if ((argumentValue[0] == 'S') && (argumentValue[1] == '-'))
	{
		/* If no widget name given, return false */
		if (argumentValue[2] == '.')
			return false;

		/* Get widget and screen Name (last one optional) */
		strcpy(tmpValue, argumentValue+2);
		token = strtok((char *)tmpValue, ".");

		i = 1;
		dataName = NULL;
		screenName = NULL;
		while (token != NULL)
		{
			if (i == 1)
				dataName = token;
			if (i == 2)
				screenName = token;

			token = strtok(NULL, ".");
			i++;
		}

		/* If invalid number of argument parts, return false */
		if ((i < 2) || (i > 3))
			return false;

		/* If no data name, return false */
		if (dataName == NULL)
			return false;

		/* If screen name entered, check */
		if (screenName != NULL)		
			return VCrepPresent(applicationName, "Screen", screenName);
		else
			return true;	
	}

	/* Check if valid VariableGroup entry */
	else if ((argumentValue[0] == 'G') && (argumentValue[1] == '-'))
	{
		/* Get VariableGroup and DataDictionary Name */
		strcpy(tmpValue, argumentValue+2);
		token = strtok((char *)tmpValue, ".");

		i = 1;
		while (token != NULL)
		{
			if (i == 1)
				dataName = token;
			if (i == 2)
				variableGroupName = token;

			token = strtok(NULL, ".");
			i++;
		}

		/* If invalid number of argument parts, return false */
		if (i != 3)
			return false;

		/* Check if Data Dictionary is valid */
		if (dataName == NULL)
			return false;

		check = VCrepPresent(applicationName, "DataDictionary", dataName);
		if (check == false)
			return false;

		/* Check if Data Dictionary is part of VariableGroup */
		if (variableGroupName == NULL)
			return false;

		check = VCrepItemPresent(applicationName, dataName, "VariableGroup", variableGroupName);

		/* Return */
		return check;
	}

	/* Check if valid DataModel entry */
	//else if ((r_rw == DR_READ_WRITE_READ_ONLY) && (argumentValue[0] == 'M') && (argumentValue[1] == '-'))
	else if ((argumentValue[0] == 'M') && (argumentValue[1] == '-'))
	{
		/* Get VariableGroup and DataDictionary Name */
		strcpy(tmpValue, argumentValue+2);
		token = strtok((char *)tmpValue, ".");

		i = 1;
		while (token != NULL)
		{
			if (i == 1)
				dataName = token;
			if (i == 2)
				dataModelName = token;

			token = strtok(NULL, ".");
			i++;
		}

		/* If invalid number of argument parts, return false */
		if (i != 3)
			return false;

		/* Check if Data Dictionary is valid */
		//if (dataName == NULL)
		//	return false;
		//check = VCrepPresent(applicationName, "DataDictionary", dataName);
		//if (check == false)
		//	return false;

		/* Check if Data Model is valid */
		if (dataModelName == NULL)
			return false;

		check = VCrepPresent(applicationName, "DataModel", dataModelName);
		if (check == false)
			return false;

		/* Return */
		return check;
	}

	/* Check if valid Data Field */
	else if ((argumentValue[0] == 'F') && (argumentValue[1] == '-'))
	{
		/* Get Table, Record and DataDictionary Name */
		strcpy(tmpValue, argumentValue+2);
		token = strtok((char *)tmpValue, ".");

		i = 1;
		while (token != NULL)
		{
			if (i == 1)
				dataName = token;
			if (i == 2)
				tableName = token;
			if (i == 3)
				recName = token;

			token = strtok(NULL, ".");
			i++;
		}

		/* If invalid number of argument parts, return false */
		if ((i < 3) || (i > 4))
			return false;

		/* If no record specified, record is default (HACK is table name for time being) */
		if (i == 3)
			recName = tableName;

		/* Check if Data Dictionary is valid */
		if (dataName == NULL)
			return false;

		check = VCrepPresent(applicationName, "DataDictionary", dataName);
		if (check == false)
			return false;

		/* Check if Table is valid */
		if (tableName == NULL)
			return false;

		check = VCrepPresent(applicationName, "Table", tableName);
		if (check == false)
			return false;

		/* Check if Record is valid */
		if (recName == NULL)
			return false;

		check = VCrepPresent(applicationName, "Record", recName);
		if (check == false)
			return false;

		/* Check if Data Dictionary is part of Record */
		check = VCrepItemPresent(applicationName, dataName, "Record", recName);
		if (check == false)
			return false;

		/* Check if Record is part of Table */
		return VCrepItemPresent(applicationName, recName, "Table", tableName);
	}

	/* Check if valid PickList entry */
	else if ((argumentValue[0] == 'P') && (argumentValue[1] == '-'))
	{
		strcpy(tmpValue, argumentValue+2);
		token = strtok((char *)tmpValue, "(");

		i = 1;
		while (token != NULL)
		{
			if (i == 1)
				pickName = token;
			if (i == 2)
				entryId = token;

			token = strtok(NULL, ")");
			i++;
		}

		/* Check if expected split up */
		if (i != 3)
			return false;
		/* Check if last char is ) */
		if (argumentValue[(strlen(argumentValue)-1)] != ')')
			return false;

		/* Check if PickList is valid */
		if (pickName == NULL)
			return false;

		check = VCrepPresent(applicationName, "PickList", pickName);
		if (check == false)
			return false;

		/* Check for valid entry number */
		if (entryId == NULL)
			return false;

		check = IsUnsignedInteger(entryId);

		if (check == false)
			return IsValidSingleDataRef(DR_READ_WRITE_READ_ONLY, applicationName, entryId);
		else
			return true;
	}

	/* Check if valid TextContents */
	else if ((argumentValue[0] == 'X') && (argumentValue[1] == '-'))
	{
		check = VCrepPresent(applicationName, "TextDocument", argumentValue+2);
		if (check == false)
			return false;
	}

	/* Check for built-in function */
	else
		return IsValidBuiltInFunc(r_rw, argumentValue);


	/* Return */
	return false;
}

bool IsAnyName(const char *argument)
{
	/* Simple check to see if it is not a string */
	if ((argument[0] == '"') || (argument[(strlen(argument)-1)] == '"'))
		return false;

	/* Simple check to see if it starts with a number */
	if (isdigit(argument[0]) != 0)
		return false;

	/* Simple check to see if data reference */
	if (argument[1] == '-')
		return false;

	/* More tests ?? */


	/* Return */
	return true;
}

bool IsComparator(const char *argument)
{
	if (strcmp(argument, "=") == 0)
		return true;
	else if (strcmp(argument, "<") == 0)
		return true;
	else if (strcmp(argument, "<=") == 0)
		return true;
	else if (strcmp(argument, ">") == 0)
		return true;
	else if (strcmp(argument, ">=") == 0)
		return true;
	else if (strcmp(argument, "<>") == 0)
		return true;

	/* Return */
	return false;
}

bool IsValidString(const char *argument)
{
	/* Check if valid String */
	if ((argument[0] == '"') && (argument[(strlen(argument)-1)] == '"'))
		return true;
	
	/* Return */
	return false;
}

bool IsMathOperator(const char *argument)
{
	/* Operators */
	if (strcmp(argument, "++") == 0) return true;
	else if (strcmp(argument, "--") == 0) return true;
	else if (strcmp(argument, "!") == 0) return true;
	else if (strcmp(argument, "~") == 0) return true;
	else if (strcmp(argument, "unary") == 0) return true;
	else if (strcmp(argument, "+") == 0) return true;
	else if (strcmp(argument, "-") == 0) return true;
	else if (strcmp(argument, "**") == 0) return true;
	else if (strcmp(argument, "*") == 0) return true;
	else if (strcmp(argument, "/") == 0) return true;
	else if (strcmp(argument, "%") == 0) return true;
	else if (strcmp(argument, "<<") == 0) return true;
	else if (strcmp(argument, ">>") == 0) return true;
	else if (strcmp(argument, ">>>") == 0) return true;
	else if (strcmp(argument, "<") == 0) return true;
	else if (strcmp(argument, "<=") == 0) return true;
	else if (strcmp(argument, ">") == 0) return true;
	else if (strcmp(argument, ">=") == 0) return true;
	else if (strcmp(argument, "==") == 0) return true;
	else if (strcmp(argument, "!=") == 0) return true;
	else if (strcmp(argument, "&") == 0) return true;
	else if (strcmp(argument, "^") == 0) return true;
	else if (strcmp(argument, "|") == 0) return true;
	else if (strcmp(argument, "=") == 0) return true;
	else if (strcmp(argument, "+=") == 0) return true;
	else if (strcmp(argument, "-=") == 0) return true;
	else if (strcmp(argument, "*=") == 0) return true;
	else if (strcmp(argument, "/=") == 0) return true;
	else if (strcmp(argument, "%=") == 0) return true;
	else if (strcmp(argument, "<<=") == 0) return true;
	else if (strcmp(argument, ">>=") == 0) return true;
	else if (strcmp(argument, ">>>=") == 0) return true;
	else if (strcmp(argument, "&=") == 0) return true;
	else if (strcmp(argument, "|=") == 0) return true;
	else if (strcmp(argument, "^=") == 0) return true;
	else if (strcmp(argument, "**=") == 0) return true;

	/* Return */
	return false;
}

bool IsMathFunction(const char *argument)
{
	/* Functions */
	if ((strncmp(argument, "abs(",4) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "acos(",5) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "asin(",5) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "atan(",5) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "atan2(",6) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "cos(",4) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "cosh(",5) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "exp(",4) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "int(",4) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "float(",6) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "log(",4) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "log10(",6) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "prime(",6) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "sin(",4) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "sinh(",5) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "sqrt(",5) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "tan(",4) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;
	else if ((strncmp(argument, "tanh(",5) == 0) && (argument[(strlen(argument)-1)] == ')')) return true;

	/* Return */
	return false;
}

bool CheckArgumentStyle(const char *applicationName, const char *argument, const char *style, const char *staticValue)
{

	/* Any valid name format which can not be checked */
	if (strcmp(style, "AnyName") == 0)
		return IsAnyName(argument);

	/* Comparator */
	else if (strcmp(style, "Comparator") == 0)
		return IsComparator(argument);

	/* Math Function */
	else if (strcmp(style, "ControlFunctionName") == 0)
		return IsControlFunctionName(argument);

	/* Math Function */
	else if (strcmp(style, "MathFunction") == 0)
		return IsMathFunction(argument);

	/* Math Operator */
	else if (strcmp(style, "MathOperator") == 0)
		return IsMathOperator(argument);

	/* Any Numeric */
	else if (strcmp(style, "Numeric") == 0)
		return IsNumeric(argument);

	/* A specific Object */
	else if (strncmp(style, "ObjectName",10) == 0)
		return IsObjectName(applicationName, style+10, argument);

	/* Single Reference */
	else if (strcmp(style, "SingleDataReference") == 0)
		return IsValidSingleDataRef(DR_READ_WRITE_READ_ONLY, applicationName, argument);

	else if (strcmp(style, "SingleDataReferenceWrite") == 0)
		return IsValidSingleDataRef(DR_READ_WRITE, applicationName, argument);

	/* Group Reference */
	else if (strcmp(style, "GroupDataReference") == 0)
		return IsValidGroupDataRef(DR_READ_WRITE_READ_ONLY, applicationName, argument);

	else if (strcmp(style, "GroupDataReferenceWrite") == 0)
		return IsValidGroupDataRef(DR_READ_WRITE, applicationName, argument);

	else if (strcmp(style, "Static") == 0)
	{
		if (staticValue == NULL)
			return false;

		if (strcmp(argument, staticValue) == 0)
			return true;
		else
			return false;
	}

	/* String */
	else if (strcmp(style, "String") == 0)
		return IsValidString(argument);

	/* Number */
	else if (strcmp(style, "UnsignedInteger") == 0)
		return IsUnsignedInteger(argument);

	else
		return false;
}