Parser.cc
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/**
* Parser.cc
*
* Created on: Dec 11, 2012
* Author: AKKA IS
*/
#include <ctype.h>
#include <sstream>
#include "DicError.hh"
#include "AMDA_exception.hh"
#include "Parser.hh"
#include "ParamData.hh"
#include <boost/functional/hash.hpp>
#include <boost/algorithm/string.hpp>
using namespace std;
namespace AMDA {
namespace Parameters {
Parser::Parser() : _expression(""), _paramOnly(false), _processOnly(false) {
}
Parser::~Parser() {
}
void Parser::process(std::string expression) {
_expression=expression;
string::iterator it = _expression.begin();
_paramOnly = false;
_processOnly = false;
while(it != _expression.end()) {
switch(*it) {
case '$':
_paramOnly = (it == _expression.begin());
_processOnly = false;
processParameterName(++it) ;
break;
case '#':
_paramOnly = false;
_processOnly = (it == _expression.begin());
processProcessName(++it);
break;
default:
_paramOnly = false;
_processOnly = false;
if(isalpha(*it)) {
processFctName(it);
}
else {
_formulaCC.append(1, *it);
_constructorCC.append(1, *it);
++it;
}
break;
}
}
}
std::string Parser::findAlphaNum_(std::string::iterator &it) {
string pParamName = "";
while(it != _expression.end() && (isalnum(*it) || *it == '_')) {
pParamName.append(1, *it);
++it;
}
return pParamName;
}
void Parser::processParameterName(std::string::iterator &it) {
string pParamName = findAlphaNum_(it);
_listParameterName.insert(pParamName);
_formulaCC += pParamName + ParamData::getAccessor();
_constructorCC += "(static_cast<_T_" + boost::to_upper_copy(pParamName) + "_Element_Type>(_T_" + boost::to_upper_copy(pParamName) + "_Element_Type()))";
}
void Parser::processProcessName(std::string::iterator &it) {
string pProcessName = "";
while(it != _expression.end() && (isalnum(*it) || *it == '_')) {
pProcessName.append(1, *it);
++it;
}
AttributList attribut;
std::string expression = processProcessExpression(it, attribut);
boost::hash<std::string> string_hash;
std::stringstream buffer;
buffer << expression;
for (AttributList::iterator it = attribut.begin(); it != attribut.end(); ++it) {
buffer << "_" << *it;
}
std::stringstream key;
key << pProcessName << "_" << string_hash(buffer.str());
_listProcessName[key.str()] = ProcessInfo(pProcessName, expression, attribut);
_formulaCC += key.str() + ParamData::getAccessor();
_constructorCC += "(static_cast<_T_" + boost::to_upper_copy(key.str()) + "_Element_Type>(_T_" + boost::to_upper_copy(key.str()) + "_Element_Type()))";
}
size_t Parser::searchSemiColon(const char* expression) {
size_t result = string::npos;
int nbBraket = 0;
unsigned int length = strlen(expression);
for ( unsigned int i = 0; i < length; ++i) {
switch(expression[i]) {
case '(': ++nbBraket; break;
case ')': --nbBraket; break;
case ';': if ( nbBraket == 0 ) { return i; } break;
default:
break;
}
}
return result;
}
std::string Parser::processProcessExpression(std::string::iterator &it, AttributList &attribut) {
string lProcessExpression = "";
while(*it==' ') ++it;
if(*it == '(') {
int nbBraket = 1;
++it;
while(it!=_expression.end() && nbBraket > 0) {
if(*it == '(') ++nbBraket;
if(*it == ')') --nbBraket;
if(nbBraket > 0) lProcessExpression.append(1, *it);
++it;
}
}
else {
BOOST_THROW_EXCEPTION(AMDA::AMDA_exception() << AMDA::errno_code(AMDA_PROCESS_ERR) << AMDA::ex_msg(std::string("Bad format")));
}
size_t indexOfFirstSemiColon = 0;
size_t indexOfSecondSemiColon = searchSemiColon(lProcessExpression.c_str()+indexOfFirstSemiColon);
string lSubExpression = "";
if (indexOfSecondSemiColon == string::npos) {
lSubExpression=lProcessExpression;
} else {
lSubExpression=lProcessExpression.substr(indexOfFirstSemiColon, indexOfSecondSemiColon);
indexOfFirstSemiColon+=indexOfSecondSemiColon+1;
while((indexOfSecondSemiColon=searchSemiColon(lProcessExpression.c_str()+indexOfFirstSemiColon))!=string::npos) {
attribut.push_back(lProcessExpression.substr(indexOfFirstSemiColon, indexOfSecondSemiColon));
indexOfFirstSemiColon+=indexOfSecondSemiColon+1;
}
attribut.push_back(lProcessExpression.c_str()+indexOfFirstSemiColon);
}
return lSubExpression;
}
void Parser::processFctName(std::string::iterator& it) {
string pFctName = findAlphaNum_(it);
if(*it == '(') {
_listFctName.insert(pFctName);
}
_formulaCC += pFctName;
_constructorCC += pFctName;
}
} /* namespace Parameters */
} /* namespace AMDA */