From 0e5c5bcf7b4cd4088348bd7c31c8201472a49951 Mon Sep 17 00:00:00 2001
From: Dave Goodwin <dgg@caltech.edu>
Date: Wed, 6 Aug 2003 22:46:11 +0000
Subject: [PATCH] *** empty log message ***

---
 Cantera/src/converters/ct2ctml.cpp |  26 ------
 Cantera/src/ct2ctml.cpp            | 122 +++++++++++++++++++++++++++++
 2 files changed, 122 insertions(+), 26 deletions(-)
 delete mode 100644 Cantera/src/converters/ct2ctml.cpp
 create mode 100644 Cantera/src/ct2ctml.cpp

diff --git a/Cantera/src/converters/ct2ctml.cpp b/Cantera/src/converters/ct2ctml.cpp
deleted file mode 100644
index bef3293d0..000000000
--- a/Cantera/src/converters/ct2ctml.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-#include "ct_defs.h"
-#include <ofstream>
-#include <string>
-#include <stdlib.h>
-
-namespace Cantera {
-void ct2ctml(char* file) {
-    ofstream f(".cttmp.py");
-    f << "from Cantera import *\n"
-      << "from Cantera.ctml_writer import *\n"
-      << "import sys, os, os.path\n"
-      << "file = " << file << endl
-      << "base = os.path.basename(file)\n"
-      << "root, ext = os.path.splitext(base)\n"
-      << "dataset(root)\n"
-      << "execfile(file)\n"
-      << "write()\n";
-    f.close();
-    string PY_CMD = getenv("PYTHON_CMD");
-    if (!PY_CMD) PY_CMD = "python";
-    int ierr = system(PY_CMD+" .cttmp.py");
-    if (ierr != 0) 
-        throw CanteraError("ct2ctml", "could not convert input file to CTML.");
-}
-
-}
diff --git a/Cantera/src/ct2ctml.cpp b/Cantera/src/ct2ctml.cpp
new file mode 100644
index 000000000..559cfed6d
--- /dev/null
+++ b/Cantera/src/ct2ctml.cpp
@@ -0,0 +1,122 @@
+#include "ct_defs.h"
+#include "ctexceptions.h"
+#include <fstream>
+#include <string>
+#include <stdlib.h>
+#include "ctml.h"
+#include "../../include/pypath.h"
+
+using namespace Cantera;
+
+namespace ctml {
+
+    static string pypath() {
+        string s = "python";
+#ifdef PYTHON_EXE
+        s = string(PYTHON_EXE);
+        return s;
+#else
+        const char* py = getenv("PYTHON_CMD");
+        if (py) s = string(py);
+        return s;
+#endif
+    }
+
+    static bool checkPython() {
+        string path = tmpDir() + "/check.py";
+        ofstream f(path.c_str());
+        if (!f) {
+            throw CanteraError("checkPython","cannot write to "+tmpDir());
+        }
+        f << "from Cantera import *\n";
+        f.close();
+        string cmd = pypath() + " " + path + " &> " + tmpDir() + "/log";
+        int ierr = system(cmd.c_str());
+        if (ierr != 0) {
+            string msg;
+            msg = cmd + "\n\n########################################################################\n\n"
+                  "The Cantera Python interface is required in order to process\n"
+                  "Cantera input files, but it does not seem to be correctly installed.\n\n"
+                  "Check that you can invoke the Python interpreter with \n"
+                  "the command \"python\", and that typing \"from Cantera import *\"\n"
+                  "at the Python prompt does not produce an error. If Python on your system\n"
+                  "is invoked with some other command, set environment variable PYTHON_CMD\n"
+                  "to the full path to the Python interpreter. \n\n"
+                  "#########################################################################\n\n";
+            writelog(msg);
+            return false;
+        }
+        return true;
+    }
+
+
+    void ct2ctml(const char* file) {
+        string path = tmpDir()+"/.cttmp.py";
+        ofstream f(path.c_str());
+        if (!f) {
+            throw CanteraError("ct2ctml","cannot write to "+tmpDir());
+        }
+        f << "from Cantera import *\n"
+          << "from Cantera.ctml_writer import *\n"
+          << "import sys, os, os.path\n"
+          << "file = \"" << file << "\"\n"
+          << "base = os.path.basename(file)\n"
+          << "root, ext = os.path.splitext(base)\n"
+          << "dataset(root)\n"
+          << "execfile(file)\n"
+          << "write()\n";
+        f.close();
+        string cmd = pypath() + " " + path + " &> ct2ctml.log";
+        int ierr = system(cmd.c_str());
+        if (ierr != 0) {
+            string msg = cmd;
+            ifstream ferr("ct2ctml.log");
+            if (ferr) {
+                char line[80];
+                while (!ferr.eof()) {
+                    //msg += "\n";
+                    ferr.getline(line, 80);
+                    writelog(string(line)+"\n");
+                }
+                ferr.close();
+            }
+            bool pyok = checkPython();
+            if (!pyok) 
+                msg += "\nError in Python installation.";
+            else
+                msg += "\nCheck error messages above for syntax errors.";
+            throw CanteraError("ct2ctml", "could not convert input file to CTML\n command line was: "+msg);
+        }
+    }
+
+
+    /**
+     * Get an CTML tree from a file, possibly preprocessing the file
+     * first. 
+     */
+    void get_CTML_Tree(XML_Node* rootPtr, string file) {
+        string ff;
+
+        // find the input file on the Cantera search path
+        string inname = findInputFile(file);
+        if (inname == "") 
+            throw CanteraError("get_CTML_tree", "file "+file+" not found");
+
+        /** 
+         * Check whether or not the file is XML. If not, it will be first
+         * processed with the preprocessor.
+         */
+        int idot = file.find('.');
+        string ext = file.substr(idot,file.size());
+        if (ext != ".xml" && ext != ".ctml") {
+            ct2ctml(file.c_str());
+            ff = file.substr(0,idot)+".xml";
+        }
+        else
+            ff = file;
+
+        ifstream fin(ff.c_str());
+        rootPtr->build(fin);
+        fin.close();
+    }
+}