C++ XML_Node::child方法代码示例

void installElements(Phase& th, const XML_Node& phaseNode)
{
    // get the declared element names
    if (!phaseNode.hasChild("elementArray")) {
        throw CanteraError("installElements",
                           "phase XML node doesn't have \"elementArray\" XML Node");
    }
    XML_Node& elements = phaseNode.child("elementArray");
    vector<string> enames;
    getStringArray(elements, enames);

    // // element database defaults to elements.xml
    string element_database = "elements.xml";
    if (elements.hasAttrib("datasrc")) {
        element_database = elements["datasrc"];
    }

    XML_Node* doc = get_XML_File(element_database);
    XML_Node* dbe = &doc->child("elementData");

    XML_Node& root = phaseNode.root();
    XML_Node* local_db = 0;
    if (root.hasChild("elementData")) {
        local_db = &root.child("elementData");
    }

    for (size_t i = 0; i < enames.size(); i++) {
        // Find the element data
        XML_Node* e = 0;
        if (local_db) {
            e = local_db->findByAttr("name",enames[i]);
        }
        if (!e) {
            e = dbe->findByAttr("name",enames[i]);
        }
        if (!e) {
            throw CanteraError("addElementsFromXML","no data for element "
                               +enames[i]);
        }

        // Add the element
        doublereal weight = 0.0;
        if (e->hasAttrib("atomicWt")) {
            weight = fpValue(e->attrib("atomicWt"));
        }
        int anum = 0;
        if (e->hasAttrib("atomicNumber")) {
            anum = intValue(e->attrib("atomicNumber"));
        }
        string symbol = e->attrib("name");
        doublereal entropy298 = ENTROPY298_UNKNOWN;
        if (e->hasChild("entropy298")) {
            XML_Node& e298Node = e->child("entropy298");
            if (e298Node.hasAttrib("value")) {
                entropy298 = fpValueCheck(e298Node["value"]);
            }
        }
        th.addElement(symbol, weight, anum, entropy298);
    }
}

void LatticeSolidPhase::setParametersFromXML(const XML_Node& eosdata)
{
    eosdata._require("model","LatticeSolid");
    XML_Node& la = eosdata.child("LatticeArray");
    std::vector<XML_Node*> lattices = la.getChildren("phase");
    size_t nl = lattices.size();
    m_nlattice = nl;
    for (size_t n = 0; n < nl; n++) {
        XML_Node& i = *lattices[n];
        m_lattice.push_back((LatticePhase*)newPhase(i));
    }
    std::vector<string> pnam;
    std::vector<string> pval;
    XML_Node& ls = eosdata.child("LatticeStoichiometry");
    int np = ctml::getPairs(ls, pnam, pval);
    theta_.resize(nl);
    for (int i = 0; i < np; i++) {
        double val = fpValueCheck(pval[i]);
        bool found = false;
        for (size_t j = 0; j < nl; j++) {
            ThermoPhase& tp = *(m_lattice[j]);
            string idj = tp.id();
            if (idj == pnam[i]) {
                theta_[j] = val;
                found = true;
                break;
            }
        }
        if (!found) {
            throw CanteraError("", "not found");
        }
    }

}

  /*
   *   Import and initialize a ThermoPhase object
   *
   * param phaseNode This object must be the phase node of a
   *             complete XML tree
   *             description of the phase, including all of the
   *             species data. In other words while "phase" must
   *             point to an XML phase object, it must have
   *             sibling nodes "speciesData" that describe
   *             the species in the phase.
   * param id   ID of the phase. If nonnull, a check is done
   *             to see if phaseNode is pointing to the phase
   *             with the correct id.
   *
   * This routine initializes the lengths in the current object and
   * then calls the parent routine.
   */
  void IdealSolnGasVPSS::initThermoXML(XML_Node& phaseNode, std::string id) {
    IdealSolnGasVPSS::initLengths();

    if (phaseNode.hasChild("thermo")) {
      XML_Node& thermoNode = phaseNode.child("thermo");
      std::string model = thermoNode["model"];
      if (model == "IdealGasVPSS") {
	m_idealGas = 1;
      } else if (model == "IdealSolnVPSS") {
	m_idealGas = 0;
      } else {
	throw CanteraError("IdealSolnGasVPSS::initThermoXML",
			   "Unknown thermo model : " + model);
      }
    }

    /*
     * Form of the standard concentrations. Must have one of:
     *
     *     <standardConc model="unity" />
     *     <standardConc model="molar_volume" />
     *     <standardConc model="solvent_volume" />
     */
    if (phaseNode.hasChild("standardConc")) {
      if (m_idealGas) {
	throw CanteraError("IdealSolnGasVPSS::initThermoXML",
			   "standardConc node for ideal gas");
      }
      XML_Node& scNode = phaseNode.child("standardConc");
      string formStringa = scNode.attrib("model");
      string formString = lowercase(formStringa);
      if (formString == "unity") {
	m_formGC = 0;
      } else if (formString == "molar_volume") {
	m_formGC = 1;
      } else if (formString == "solvent_volume") {
	m_formGC = 2;
      } else {
	throw CanteraError("initThermoXML",
			   "Unknown standardConc model: " + formStringa);
      }
    } else {
      if (!m_idealGas) {
	throw CanteraError("initThermoXML",
			   "Unspecified standardConc model");
      }
    }

    VPStandardStateTP::initThermoXML(phaseNode, id);
  }

void Phase::addElementsFromXML(const XML_Node& phase)
{
    // get the declared element names
    if (! phase.hasChild("elementArray")) {
        throw CanteraError("Elements::addElementsFromXML",
                           "phase xml node doesn't have \"elementArray\" XML Node");
    }
    XML_Node& elements = phase.child("elementArray");
    vector<string> enames;
    ctml::getStringArray(elements, enames);

    // // element database defaults to elements.xml
    string element_database = "elements.xml";
    if (elements.hasAttrib("datasrc")) {
        element_database = elements["datasrc"];
    }

    XML_Node* doc = get_XML_File(element_database);
    XML_Node* dbe = &doc->child("ctml/elementData");

    XML_Node& root = phase.root();
    XML_Node* local_db = 0;
    if (root.hasChild("ctml")) {
        if (root.child("ctml").hasChild("elementData")) {
            local_db = &root.child("ctml/elementData");
        }
    }

    int nel = static_cast<int>(enames.size());
    int i;
    string enm;
    XML_Node* e = 0;
    for (i = 0; i < nel; i++) {
        e = 0;
        if (local_db) {
            //writelog("looking in local database.");
            e = local_db->findByAttr("name",enames[i]);
            //if (!e) writelog(enames[i]+" not found.");
        }
        if (!e) {
            e = dbe->findByAttr("name",enames[i]);
        }
        if (e) {
            addUniqueElement(*e);
        } else {
            throw CanteraError("addElementsFromXML","no data for element "
                               +enames[i]);
        }
    }
}

  /*!
   * 
   *  @param spDataNodeList, This vector contains a list
   *                         of species XML nodes that will be in the phase
   * 
   * @todo Make sure that spDadta_node is species Data XML node by checking its name is speciesData
   */
  static void getSpeciesThermoTypes(std::vector<XML_Node *> & spDataNodeList, 
				    int& has_nasa, int& has_shomate, int& has_simple,
				    int &has_other) {
    size_t ns = spDataNodeList.size();
    for (size_t n = 0; n < ns; n++) {
      XML_Node* spNode = spDataNodeList[n];
      if (spNode->hasChild("standardState")) {
	const XML_Node& ss = spNode->child("standardState");
	string mname = ss["model"];
	if (mname == "water" || mname == "waterIAPWS") {
	  has_other = 1;
	  continue;
	}
      }
      if (spNode->hasChild("thermo")) {
	const XML_Node& th = spNode->child("thermo");
	if (th.hasChild("NASA")) {
	  has_nasa = 1;
	} else if (th.hasChild("Shomate")) {
	  has_shomate = 1;
	} else if (th.hasChild("MinEQ3")) {
	  has_shomate = 1;
	} else if (th.hasChild("const_cp")) {
	  has_simple = 1;
	} else if (th.hasChild("poly")) {
	  if (th.child("poly")["order"] == "1") has_simple = 1;
	  else throw CanteraError("newSpeciesThermo",
				  "poly with order > 1 not yet supported");
	}
	else if (th.hasChild("Mu0")) {
	  has_other = 1;
	} else if (th.hasChild("NASA9")) {
	  has_other = 1;
	} else if (th.hasChild("NASA9MULTITEMP")) {
	  has_other = 1;
	} else if (th.hasChild("adsorbate")) {
	  has_other = 1;
	} else {
	  has_other = 1;
	  //throw UnknownSpeciesThermoModel("getSpeciesThermoTypes:",
	  //	          	            spNode->attrib("name"), "missing");
	}
      } else {
	throw CanteraError("getSpeciesThermoTypes:",
			   spNode->attrib("name") + " is missing the thermo XML node");
      }
    }
  }

  static void installAdsorbateThermoFromXML(std::string speciesName,
					    SpeciesThermo& sp, int k, 
					    const XML_Node& f) { 		
    vector_fp freqs;
    doublereal tmin, tmax, pref = OneAtm;
    int nfreq = 0;
    tmin = fpValue(f["Tmin"]);
    tmax = fpValue(f["Tmax"]);
    if (f.hasAttrib("P0")) {
      pref = fpValue(f["P0"]);
    }
    if (f.hasAttrib("Pref")) {
      pref = fpValue(f["Pref"]);
    }
    if (tmax == 0.0) tmax = 1.0e30;

    if (f.hasChild("floatArray")) {
      getFloatArray(f.child("floatArray"), freqs, false);
      nfreq = freqs.size(); 
    }
    for (int n = 0; n < nfreq; n++) {
      freqs[n] *= 3.0e10;
    }
    vector_fp coeffs(nfreq + 2);
    coeffs[0] = nfreq;
    coeffs[1] = getFloat(f, "binding_energy", "toSI");
    copy(freqs.begin(), freqs.end(), coeffs.begin() + 2);
    //posc = new Adsorbate(k, tmin, tmax, pref,  
    //    DATA_PTR(coeffs)); 
    (&sp)->install(speciesName, k, ADSORBATE, &coeffs[0], tmin, tmax, pref);
  }

  SurfPhase::SurfPhase(std::string infile, std::string id) :
    ThermoPhase(),
    m_n0(0.0),
    m_logn0(0.0),
    m_tmin(0.0),
    m_tmax(0.0),
    m_press(OneAtm),
    m_tlast(0.0) 
  {
    XML_Node* root = get_XML_File(infile);
    if (id == "-") id = "";
    XML_Node* xphase = get_XML_NameID("phase", std::string("#")+id, root);
    if (!xphase) {
      throw CanteraError("SurfPhase::SurfPhase",
			 "Couldn't find phase name in file:" + id);
    }
    // Check the model name to ensure we have compatibility
    const XML_Node& th = xphase->child("thermo");
    string model = th["model"];
    if (model != "Surface" && model != "Edge") {
      throw CanteraError("SurfPhase::SurfPhase", 
			 "thermo model attribute must be Surface or Edge");
    }
    importPhase(*xphase, this);
  }

MetalSHEelectrons::MetalSHEelectrons(const std::string& infile, std::string id_) :
    SingleSpeciesTP(),
    xdef_(0)
{
    XML_Node* root;
    if (infile == "MetalSHEelectrons_default.xml") {
        xdef_ = MetalSHEelectrons::makeDefaultXMLTree();
        root = xdef_;
    } else {
        root = get_XML_File(infile);
    }
    if (id_ == "-") {
        id_ = "";
    }
    XML_Node* xphase = get_XML_NameID("phase", std::string("#")+id_, root);
    if (!xphase) {
        throw CanteraError("MetalSHEelectrons::MetalSHEelectrons",
                           "Couldn't find phase name in file:" + id_);
    }
    // Check the model name to ensure we have compatibility
    const XML_Node& th = xphase->child("thermo");
    std::string model = th["model"];
    if (model != "MetalSHEelectrons") {
        throw CanteraError("MetalSHEelectrons::MetalSHEelectrons",
                           "thermo model attribute must be MetalSHEelectrons");
    }
    importPhase(*xphase, this);
}

/*********************************************************************
 *    Utility Functions
 *********************************************************************/
void MaskellSolidSolnPhase::initThermoXML(XML_Node& phaseNode, const std::string& id_)
{
    if (id_.size() > 0 && phaseNode.id() != id_) {
        throw CanteraError("MaskellSolidSolnPhase::initThermoXML",
                           "phasenode and Id are incompatible");
    }

    /*
     * Check on the thermo field. Must have:
     * <thermo model="MaskellSolidSolution" />
     */
    if (phaseNode.hasChild("thermo")) {
        XML_Node& thNode = phaseNode.child("thermo");
        std::string mString = thNode.attrib("model");
        if (lowercase(mString) != "maskellsolidsolnphase") {
            throw CanteraError("MaskellSolidSolnPhase::initThermoXML",
                               "Unknown thermo model: " + mString);
        }

        /*
         * Parse the enthalpy of mixing constant
         */
        if (thNode.hasChild("h_mix")) {
            set_h_mix(fpValue(thNode.child("h_mix").value()));
        } else {
            throw CanteraError("MaskellSolidSolnPhase::initThermoXML",
                               "Mixing enthalpy parameter not specified.");
        }

        if (thNode.hasChild("product_species")) {
            std::string product_species_name = thNode.child("product_species").value();
            product_species_index = speciesIndex(product_species_name);
            if (product_species_index == static_cast<int>(npos)) {
                throw CanteraError("MaskellSolidSolnPhase::initThermoXML",
                                   "Species " + product_species_name + " not found.");
            }
            if (product_species_index == 0) {
                reactant_species_index = 1;
            } else {
                reactant_species_index = 0;
            }
        }
    } else {
        throw CanteraError("MaskellSolidSolnPhase::initThermoXML",
                           "Unspecified thermo model");
    }


    // Confirm that the phase only contains 2 species
    if (m_kk != 2) {
        throw CanteraError("MaskellSolidSolnPhase::initThermoXML",
                "MaskellSolidSolution model requires exactly 2 species.");
    }

    /*
     * Call the base initThermo, which handles setting the initial
     * state.
     */
    VPStandardStateTP::initThermoXML(phaseNode, id_);
}

void VPSSMgr_Water_HKFT::initThermoXML(XML_Node& phaseNode,
                                       const std::string& id)
{
    VPSSMgr::initThermoXML(phaseNode, id);
    XML_Node& speciesList = phaseNode.child("speciesArray");
    XML_Node* speciesDB = get_XML_NameID("speciesData", speciesList["datasrc"],
                                         &phaseNode.root());
    m_waterSS->setState_TP(300., OneAtm);
    m_Vss[0] = (m_waterSS->density()) / m_vptp_ptr->molecularWeight(0);

    for (size_t k = 1; k < m_kk; k++) {
        string name = m_vptp_ptr->speciesName(k);
        const XML_Node* s = speciesDB->findByAttr("name", name);
        if (!s) {
            throw CanteraError("VPSSMgr_Water_HKFT::initThermoXML",
                               "No species Node for species " + name);
        }
        const XML_Node* ss = s->findByName("standardState");
        if (!ss) {
            throw CanteraError("VPSSMgr_Water_HKFT::initThermoXML",
                               "No standardState Node for species " + name);
        }
        std::string model = lowercase(ss->attrib("model"));
        if (model != "hkft") {
            throw CanteraError("VPSSMgr_Water_HKFT::initThermoXML",
                               "Standard state model for a solute species isn't "
                               "the HKFT standard state model: " + name);
        }
    }
}

void Phase::addElement(const XML_Node& e)
{
    warn_deprecated("Phase::addElement(XML_Node&)",
                    "To be removed after Cantera 2.2.");
    doublereal weight = 0.0;
    if (e.hasAttrib("atomicWt")) {
        weight = fpValue(stripws(e["atomicWt"]));
    }
    int anum = 0;
    if (e.hasAttrib("atomicNumber")) {
        anum = atoi(stripws(e["atomicNumber"]).c_str());
    }
    string symbol = e["name"];
    doublereal entropy298 = ENTROPY298_UNKNOWN;
    if (e.hasChild("entropy298")) {
        XML_Node& e298Node = e.child("entropy298");
        if (e298Node.hasAttrib("value")) {
            entropy298 = fpValueCheck(stripws(e298Node["value"]));
        }
    }
    if (weight != 0.0) {
        addElement(symbol, weight, anum, entropy298);
    } else {
        addElement(symbol);
    }
}

  void 
  VPSSMgr_ConstVol::initThermoXML(XML_Node& phaseNode, std::string id) {
    VPSSMgr::initThermoXML(phaseNode, id);
   
    XML_Node& speciesList = phaseNode.child("speciesArray");
    XML_Node* speciesDB = get_XML_NameID("speciesData", speciesList["datasrc"],
					 &phaseNode.root());
    const vector<string>&sss = m_vptp_ptr->speciesNames();

    for (int k = 0; k < m_kk; k++) {
      const XML_Node* s =  speciesDB->findByAttr("name", sss[k]);
      if (!s) {
	throw CanteraError("VPSSMgr_ConstVol::initThermoXML",
			   "no species Node for species " + sss[k]);
      }
      const XML_Node *ss = s->findByName("standardState");
      if (!ss) {
	throw CanteraError("VPSSMgr_ConstVol::initThermoXML",
			   "no standardState Node for species " + s->name());
      }
      std::string model = (*ss)["model"];
      if (model != "constant_incompressible" && model != "constantVolume") {
	throw CanteraError("VPSSMgr_ConstVol::initThermoXML",
			   "standardState model for species isn't constant_incompressible: " + s->name());
      }
      m_Vss[k] = getFloat(*ss, "molarVolume", "toSI");
    }   
  }

void MineralEQ3::initThermoXML(XML_Node& phaseNode, const std::string& id_)
{
    /*
     * Find the Thermo XML node
     */
    if (!phaseNode.hasChild("thermo")) {
        throw CanteraError("HMWSoln::initThermoXML",
                           "no thermo XML node");
    }

    std::vector<const XML_Node*> xspecies = speciesData();
    const XML_Node* xsp = xspecies[0];

    XML_Node* aStandardState = 0;
    if (xsp->hasChild("standardState")) {
        aStandardState = &xsp->child("standardState");
    } else {
        throw CanteraError("MineralEQ3::initThermoXML",
                           "no standard state mode");
    }
    doublereal volVal = 0.0;
    string smodel = (*aStandardState)["model"];
    if (smodel != "constantVolume") {
        throw CanteraError("MineralEQ3::initThermoXML",
                           "wrong standard state mode");
    }
    if (aStandardState->hasChild("V0_Pr_Tr")) {
        XML_Node& aV = aStandardState->child("V0_Pr_Tr");
        string Aunits = "";
        double Afactor = toSI("cm3/gmol");
        if (aV.hasAttrib("units")) {
            Aunits = aV.attrib("units");
            Afactor = toSI(Aunits);
        }
        volVal = ctml::getFloat(*aStandardState, "V0_Pr_Tr");
        m_V0_pr_tr= volVal;
        volVal *= Afactor;
        m_speciesSize[0] = volVal;
    } else {
        throw CanteraError("MineralEQ3::initThermoXML",
                           "wrong standard state mode");
    }
    doublereal rho = molecularWeight(0) / volVal;
    setDensity(rho);

    const XML_Node& sThermo = xsp->child("thermo");
    const XML_Node& MinEQ3node = sThermo.child("MinEQ3");


    m_deltaG_formation_pr_tr =
        ctml::getFloatDefaultUnits(MinEQ3node, "DG0_f_Pr_Tr", "cal/gmol", "actEnergy");
    m_deltaH_formation_pr_tr =
        ctml::getFloatDefaultUnits(MinEQ3node, "DH0_f_Pr_Tr", "cal/gmol", "actEnergy");
    m_Entrop_pr_tr = ctml::getFloatDefaultUnits(MinEQ3node, "S0_Pr_Tr", "cal/gmol/K");
    m_a = ctml::getFloatDefaultUnits(MinEQ3node, "a", "cal/gmol/K");
    m_b = ctml::getFloatDefaultUnits(MinEQ3node, "b", "cal/gmol/K2");
    m_c = ctml::getFloatDefaultUnits(MinEQ3node, "c", "cal-K/gmol");

    convertDGFormation();
}

void ThermoPhase::initThermoXML(XML_Node& phaseNode, const std::string& id)
{
    if (phaseNode.hasChild("state")) {
        setStateFromXML(phaseNode.child("state"));
    }
    xMol_Ref.resize(m_kk);
    getMoleFractions(&xMol_Ref[0]);
}

void IdealMolalSoln::initThermoXML(XML_Node& phaseNode, const std::string& id_)
{
    MolalityVPSSTP::initThermoXML(phaseNode, id_);

    if (id_.size() > 0 && phaseNode.id() != id_) {
        throw CanteraError("IdealMolalSoln::initThermo",
                           "phasenode and Id are incompatible");
    }

    // Find the Thermo XML node
    if (!phaseNode.hasChild("thermo")) {
        throw CanteraError("IdealMolalSoln::initThermo",
                           "no thermo XML node");
    }
    XML_Node& thermoNode = phaseNode.child("thermo");

    // Possible change the form of the standard concentrations
    if (thermoNode.hasChild("standardConc")) {
        XML_Node& scNode = thermoNode.child("standardConc");
        setStandardConcentrationModel(scNode["model"]);
    }

    if (thermoNode.hasChild("activityCoefficients")) {
        XML_Node& acNode = thermoNode.child("activityCoefficients");
        std::string modelString = acNode.attrib("model");
        if (modelString != "IdealMolalSoln") {
            throw CanteraError("IdealMolalSoln::initThermoXML",
                               "unknown ActivityCoefficient model: " + modelString);
        }
        if (acNode.hasChild("idealMolalSolnCutoff")) {
            XML_Node& ccNode = acNode.child("idealMolalSolnCutoff");
            modelString = ccNode.attrib("model");
            if (modelString != "") {
                setCutoffModel(modelString);
                if (ccNode.hasChild("gamma_o_limit")) {
                    IMS_gamma_o_min_ = getFloat(ccNode, "gamma_o_limit");
                }
                if (ccNode.hasChild("gamma_k_limit")) {
                    IMS_gamma_k_min_ = getFloat(ccNode, "gamma_k_limit");
                }
                if (ccNode.hasChild("X_o_cutoff")) {
                    IMS_X_o_cutoff_ = getFloat(ccNode, "X_o_cutoff");
                }
                if (ccNode.hasChild("c_0_param")) {
                    IMS_cCut_ = getFloat(ccNode, "c_0_param");
                }
                if (ccNode.hasChild("slope_f_limit")) {
                    IMS_slopefCut_ = getFloat(ccNode, "slope_f_limit");
                }
                if (ccNode.hasChild("slope_g_limit")) {
                    IMS_slopegCut_ = getFloat(ccNode, "slope_g_limit");
                }
            }
        } else {
            setCutoffModel("none");
        }
    }
}