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ofx_preproc.cpp
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    00001 /***************************************************************************
    00002           ofx_preproc.cpp
    00003                              -------------------
    00004     copyright            : (C) 2002 by Benoit Gr�oir
    00005     email                : benoitg@coeus.ca
    00006 ***************************************************************************/
    00012 /***************************************************************************
    00013  *                                                                         *
    00014  *   This program is free software; you can redistribute it and/or modify  *
    00015  *   it under the terms of the GNU General Public License as published by  *
    00016  *   the Free Software Foundation; either version 2 of the License, or     *
    00017  *   (at your option) any later version.                                   *
    00018  *                                                                         *
    00019  ***************************************************************************/
    00020 #include "../config.h"
    00021 #include <iostream>
    00022 #include <fstream>
    00023 #include <cstdlib>
    00024 #include <stdio.h>
    00025 #include <string>
    00026 #include "ParserEventGeneratorKit.h"
    00027 #include "libofx.h"
    00028 #include "messages.hh"
    00029 #include "ofx_sgml.hh"
    00030 #include "ofc_sgml.hh"
    00031 #include "ofx_preproc.hh"
    00032 #include "ofx_utilities.hh"
    00033 #ifdef HAVE_ICONV
    00034 #include <iconv.h>
    00035 #endif
    00036
    00037 #ifdef OS_WIN32
    00038 # define DIRSEP "\\"
    00039 #else
    00040 # define DIRSEP "/"
    00041 #endif
    00042
    00043 #ifdef OS_WIN32
    00044 # include "win32.hh"
    00045 # include <windows.h> // for GetModuleFileName()
    00046 # undef ERROR
    00047 # undef DELETE
    00048 #endif
    00049
    00050 #define LIBOFX_DEFAULT_INPUT_ENCODING "CP1252"
    00051 #define LIBOFX_DEFAULT_OUTPUT_ENCODING "UTF-8"
    00052
    00053 using namespace std;
    00057 #ifdef MAKEFILE_DTD_PATH
    00058 const int DTD_SEARCH_PATH_NUM = 4;
    00059 #else
    00060 const int DTD_SEARCH_PATH_NUM = 3;
    00061 #endif
    00062
    00066 const char *DTD_SEARCH_PATH[DTD_SEARCH_PATH_NUM] =
    00067 {
    00068 #ifdef MAKEFILE_DTD_PATH
    00069   MAKEFILE_DTD_PATH ,
    00070 #endif
    00071   "/usr/local/share/libofx/dtd",
    00072   "/usr/share/libofx/dtd",
    00073   "~"
    00074 };
    00075 const unsigned int READ_BUFFER_SIZE = 1024;
    00076
    00081 int ofx_proc_file(LibofxContextPtr ctx, const char * p_filename)
    00082 {
    00083   LibofxContext *libofx_context;
    00084   bool ofx_start = false;
    00085   bool ofx_end = false;
    00086   bool file_is_xml = false;
    00087
    00088   ifstream input_file;
    00089   ofstream tmp_file;
    00090   char buffer[READ_BUFFER_SIZE];
    00091   char *iconv_buffer;
    00092   string s_buffer;
    00093   char *filenames[3];
    00094   char tmp_filename[256];
    00095   int tmp_file_fd;
    00096 #ifdef HAVE_ICONV
    00097   iconv_t conversion_descriptor;
    00098 #endif
    00099   libofx_context = (LibofxContext*)ctx;
    00100
    00101   if (p_filename != NULL && strcmp(p_filename, "") != 0)
    00102   {
    00103     message_out(DEBUG, string("ofx_proc_file():Opening file: ") + p_filename);
    00104
    00105     input_file.open(p_filename);
    00106     if (!input_file)
    00107     {
    00108       message_out(ERROR, "ofx_proc_file():Unable to open the input file " + string(p_filename));
    00109     }
    00110
    00111     mkTempFileName("libofxtmpXXXXXX", tmp_filename, sizeof(tmp_filename));
    00112
    00113     message_out(DEBUG, "ofx_proc_file(): Creating temp file: " + string(tmp_filename));
    00114     tmp_file_fd = mkstemp(tmp_filename);
    00115     if (tmp_file_fd)
    00116     {
    00117       tmp_file.open(tmp_filename);
    00118       if (!tmp_file)
    00119       {
    00120         message_out(ERROR, "ofx_proc_file():Unable to open the created temp file " + string(tmp_filename));
    00121         return -1;
    00122       }
    00123     }
    00124     else
    00125     {
    00126       message_out(ERROR, "ofx_proc_file():Unable to create a temp file at " + string(tmp_filename));
    00127       return -1;
    00128     }
    00129
    00130     if (input_file && tmp_file)
    00131     {
    00132       int header_separator_idx;
    00133       string header_name;
    00134       string header_value;
    00135       string ofx_encoding;
    00136       string ofx_charset;
    00137       bool end_of_line;
    00138       do
    00139       {
    00140         s_buffer.clear();
    00141         bool end_of_line = false;
    00142         do
    00143         {
    00144           input_file.get(buffer, sizeof(buffer), '\n');
    00145           //cout<< "got: " << buffer<<"\n";
    00146           s_buffer.append(buffer);
    00147
    00148           // Watch out: If input_file is in eof(), any subsequent read or
    00149           // peek() will fail. However, the while() condition will
    00150           // correctly catch this. Otherwise we need to check for this like so:
    00151           //if (input_file.eof()) break;
    00152
    00153           //cout<<"input_file.gcount(): "<<input_file.gcount()<<" sizeof(buffer): "<<sizeof(buffer)<<endl;
    00154           if ( !input_file.eof() && (input_file.peek() == '\n'))
    00155           {
    00156             input_file.get(); // Discard the newline
    00157             s_buffer.append("\n");
    00158             end_of_line = true;
    00159           }
    00160           else if ( !input_file.eof() && input_file.fail())
    00161           {
    00162             input_file.clear();
    00163           }
    00164         }
    00165         // Continue reading as long as we're not at EOF *and* we've not yet
    00166         // reached an end-of-line.
    00167         while (!input_file.eof() && !end_of_line);
    00168
    00169         if (ofx_start == false && (s_buffer.find("<?xml") != string::npos))
    00170         {
    00171           message_out(DEBUG, "ofx_proc_file(): File is an actual XML file, iconv conversion will be skipped.");
    00172           file_is_xml = true;
    00173         }
    00174
    00175         int ofx_start_idx;
    00176         if (ofx_start == false &&
    00177             (
    00178               (libofx_context->currentFileType() == OFX &&
    00179                ((ofx_start_idx = s_buffer.find("<OFX>")) !=
    00180                 string::npos || (ofx_start_idx = s_buffer.find("<ofx>")) != string::npos))
    00181               || (libofx_context->currentFileType() == OFC &&
    00182                   ((ofx_start_idx = s_buffer.find("<OFC>")) != string::npos ||
    00183                    (ofx_start_idx = s_buffer.find("<ofc>")) != string::npos))
    00184             )
    00185            )
    00186         {
    00187           ofx_start = true;
    00188           if(file_is_xml==false)
    00189           {
    00190             s_buffer.erase(0, ofx_start_idx); //Fix for really broken files that don't have a newline after the header.
    00191           }
    00192           message_out(DEBUG, "ofx_proc_file():<OFX> or <OFC> has been found");
    00193
    00194           if(file_is_xml==true)
    00195           {
    00196             static char sp_charset_fixed[] = "SP_CHARSET_FIXED=1";
    00197             if(putenv(sp_charset_fixed)!=0)
    00198             {
    00199               message_out(ERROR, "ofx_proc_file(): putenv failed");
    00200             }
    00201             /* Normally the following would be "xml".
    00202              * Unfortunately, opensp's generic api will garble UTF-8 if this is
    00203              * set to xml.  So we set any single byte encoding to avoid messing
    00204              * up UTF-8.  Unfortunately this means that non-UTF-8 files will not
    00205              * get properly translated.  We'd need to manually detect the
    00206              * encoding in the XML header and convert the xml with iconv like we
    00207              * do for SGML to work around the problem.  Most unfortunate. */
    00208             static char sp_encoding[] = "SP_ENCODING=ms-dos";
    00209             if(putenv(sp_encoding)!=0)
    00210             {
    00211               message_out(ERROR, "ofx_proc_file(): putenv failed");
    00212             }
    00213           }
    00214           else
    00215           {
    00216             static char sp_charset_fixed[] = "SP_CHARSET_FIXED=1";
    00217             if(putenv(sp_charset_fixed)!=0)
    00218             {
    00219               message_out(ERROR, "ofx_proc_file(): putenv failed");
    00220             }
    00221             static char sp_encoding[] = "SP_ENCODING=ms-dos"; //Any single byte encoding will do, we don't want opensp messing up UTF-8;
    00222             if(putenv(sp_encoding)!=0)
    00223             {
    00224               message_out(ERROR, "ofx_proc_file(): putenv failed");
    00225             }
    00226 #ifdef HAVE_ICONV
    00227           string fromcode;
    00228           string tocode;
    00229           if (ofx_encoding.compare("USASCII") == 0)
    00230           {
    00231             if (ofx_charset.compare("ISO-8859-1") == 0 || ofx_charset.compare("8859-1") == 0)
    00232             {
    00233               //Only "ISO-8859-1" is actually a legal value, but since the banks follows the spec SO well...
    00234               fromcode = "ISO-8859-1";
    00235             }
    00236             else if (ofx_charset.compare("1252") == 0 || ofx_charset.compare("CP1252") == 0)
    00237             {
    00238               //Only "1252" is actually a legal value, but since the banks follows the spec SO well...
    00239               fromcode = "CP1252";
    00240             }
    00241             else if (ofx_charset.compare("NONE") == 0)
    00242             {
    00243               fromcode = LIBOFX_DEFAULT_INPUT_ENCODING;
    00244             }
    00245             else
    00246             {
    00247               fromcode = LIBOFX_DEFAULT_INPUT_ENCODING;
    00248             }
    00249           }
    00250           else if (ofx_encoding.compare("UTF-8") == 0 || ofx_encoding.compare("UNICODE") == 0)
    00251           {
    00252                 //While "UNICODE" isn't a legal value, some cyrilic files do specify it as such...
    00253             fromcode = "UTF-8";
    00254           }
    00255           else
    00256           {
    00257             fromcode = LIBOFX_DEFAULT_INPUT_ENCODING;
    00258           }
    00259           tocode = LIBOFX_DEFAULT_OUTPUT_ENCODING;
    00260           message_out(DEBUG, "ofx_proc_file(): Setting up iconv for fromcode: " + fromcode + ", tocode: " + tocode);
    00261           conversion_descriptor = iconv_open (tocode.c_str(), fromcode.c_str());
    00262 #endif
    00263           }
    00264         }
    00265         else
    00266         {
    00267           //We are still in the headers
    00268           if ((header_separator_idx = s_buffer.find(':')) != string::npos)
    00269           {
    00270             //Header processing
    00271             header_name.assign(s_buffer.substr(0, header_separator_idx));
    00272             header_value.assign(s_buffer.substr(header_separator_idx + 1));
    00273             while ( header_value[header_value.length() -1 ] == '\n' ||
    00274                     header_value[header_value.length() -1 ] == '\r' )
    00275               header_value.erase(header_value.length() - 1);
    00276             message_out(DEBUG, "ofx_proc_file():Header: " + header_name + " with value: " + header_value + " has been found");
    00277             if (header_name.compare("ENCODING") == 0)
    00278             {
    00279               ofx_encoding.assign(header_value);
    00280             }
    00281             if (header_name.compare("CHARSET") == 0)
    00282             {
    00283               ofx_charset.assign(header_value);
    00284             }
    00285           }
    00286         }
    00287
    00288         if (file_is_xml==true || (ofx_start == true && ofx_end == false))
    00289         {
    00290           if(ofx_start == true)
    00291           {
    00292             /* The above test won't help us if the <OFX> tag is on the same line
    00293              * as the xml header, but as opensp can't be used to parse it anyway
    00294              * this isn't a great loss for now.
    00295              */
    00296             s_buffer = sanitize_proprietary_tags(s_buffer);
    00297           }
    00298           //cout<< s_buffer<<"\n";
    00299           if(file_is_xml==false)
    00300           {
    00301 #ifdef HAVE_ICONV
    00302             size_t inbytesleft = strlen(s_buffer.c_str());
    00303             size_t outbytesleft = inbytesleft * 2 - 1;
    00304             iconv_buffer = (char*) malloc (inbytesleft * 2);
    00305             memset(iconv_buffer, 0, inbytesleft * 2);
    00306 #ifdef OS_WIN32
    00307             const char * inchar = (const char *)s_buffer.c_str();
    00308 #else
    00309             char * inchar = (char *)s_buffer.c_str();
    00310 #endif
    00311             char * outchar = iconv_buffer;
    00312             int iconv_retval = iconv (conversion_descriptor,
    00313                                       &inchar, &inbytesleft,
    00314                                       &outchar, &outbytesleft);
    00315             if (iconv_retval == -1)
    00316             {
    00317               message_out(ERROR, "ofx_proc_file(): Conversion error");
    00318             }
    00319             s_buffer = iconv_buffer;
    00320             free (iconv_buffer);
    00321 #endif
    00322           }
    00323           cout<<s_buffer<<"\n";
    00324           tmp_file.write(s_buffer.c_str(), s_buffer.length());
    00325         }
    00326
    00327         if (ofx_start == true &&
    00328             (
    00329               (libofx_context->currentFileType() == OFX &&
    00330                ((ofx_start_idx = s_buffer.find("</OFX>")) != string::npos ||
    00331                 (ofx_start_idx = s_buffer.find("</ofx>")) != string::npos))
    00332               || (libofx_context->currentFileType() == OFC &&
    00333                   ((ofx_start_idx = s_buffer.find("</OFC>")) != string::npos ||
    00334                    (ofx_start_idx = s_buffer.find("</ofc>")) != string::npos))
    00335             )
    00336            )
    00337         {
    00338           ofx_end = true;
    00339           message_out(DEBUG, "ofx_proc_file():</OFX> or </OFC>  has been found");
    00340         }
    00341
    00342       }
    00343       while (!input_file.eof() && !input_file.bad());
    00344     }
    00345     input_file.close();
    00346     tmp_file.close();
    00347 #ifdef HAVE_ICONV
    00348     if(file_is_xml==false)
    00349     {
    00350       iconv_close(conversion_descriptor);
    00351     }
    00352 #endif
    00353     char filename_openspdtd[255];
    00354     char filename_dtd[255];
    00355     char filename_ofx[255];
    00356     strncpy(filename_openspdtd, find_dtd(ctx, OPENSPDCL_FILENAME).c_str(), 255); //The opensp sgml dtd file
    00357     if (libofx_context->currentFileType() == OFX)
    00358     {
    00359       strncpy(filename_dtd, find_dtd(ctx, OFX160DTD_FILENAME).c_str(), 255); //The ofx dtd file
    00360     }
    00361     else if (libofx_context->currentFileType() == OFC)
    00362     {
    00363       strncpy(filename_dtd, find_dtd(ctx, OFCDTD_FILENAME).c_str(), 255); //The ofc dtd file
    00364     }
    00365     else
    00366     {
    00367       message_out(ERROR, string("ofx_proc_file(): Error unknown file format for the OFX parser"));
    00368     }
    00369
    00370     if ((string)filename_dtd != "" && (string)filename_openspdtd != "")
    00371     {
    00372       strncpy(filename_ofx, tmp_filename, 255); //The processed ofx file
    00373       filenames[0] = filename_openspdtd;
    00374       filenames[1] = filename_dtd;
    00375       filenames[2] = filename_ofx;
    00376       if (libofx_context->currentFileType() == OFX)
    00377       {
    00378         ofx_proc_sgml(libofx_context, 3, filenames);
    00379       }
    00380       else if (libofx_context->currentFileType() == OFC)
    00381       {
    00382         ofc_proc_sgml(libofx_context, 3, filenames);
    00383       }
    00384       else
    00385       {
    00386         message_out(ERROR, string("ofx_proc_file(): Error unknown file format for the OFX parser"));
    00387       }
    00388       if (remove(tmp_filename) != 0)
    00389       {
    00390         message_out(ERROR, "ofx_proc_file(): Error deleting temporary file " + string(tmp_filename));
    00391       }
    00392     }
    00393     else
    00394     {
    00395       message_out(ERROR, "ofx_proc_file(): FATAL: Missing DTD, aborting");
    00396     }
    00397   }
    00398   else
    00399   {
    00400     message_out(ERROR, "ofx_proc_file():No input file specified");
    00401   }
    00402   return 0;
    00403 }
    00404
    00405
    00410 string sanitize_proprietary_tags(string input_string)
    00411 {
    00412   unsigned int i;
    00413   size_t input_string_size;
    00414   bool strip = false;
    00415   bool tag_open = false;
    00416   int tag_open_idx = 0; //Are we within < > ?
    00417   bool closing_tag_open = false; //Are we within </ > ?
    00418   int orig_tag_open_idx = 0;
    00419   bool proprietary_tag = false; //Are we within a proprietary element?
    00420   bool proprietary_closing_tag = false;
    00421   int crop_end_idx = 0;
    00422   char buffer[READ_BUFFER_SIZE] = "";
    00423   char tagname[READ_BUFFER_SIZE] = "";
    00424   int tagname_idx = 0;
    00425   char close_tagname[READ_BUFFER_SIZE] = "";
    00426
    00427   for (i = 0; i < READ_BUFFER_SIZE; i++)
    00428   {
    00429     buffer[i] = 0;
    00430     tagname[i] = 0;
    00431     close_tagname[i] = 0;
    00432   }
    00433
    00434   input_string_size = input_string.size();
    00435
    00436   for (i = 0; i <= input_string_size; i++)
    00437   {
    00438     if (input_string.c_str()[i] == '<')
    00439     {
    00440       tag_open = true;
    00441       tag_open_idx = i;
    00442       if (proprietary_tag == true && input_string.c_str()[i+1] == '/')
    00443       {
    00444         //We are now in a closing tag
    00445         closing_tag_open = true;
    00446         //cout<<"Comparaison: "<<tagname<<"|"<<&(input_string.c_str()[i+2])<<"|"<<strlen(tagname)<<endl;
    00447         if (strncmp(tagname, &(input_string.c_str()[i+2]), strlen(tagname)) != 0)
    00448         {
    00449           //If it is the begining of an other tag
    00450           //cout<<"DIFFERENT!"<<endl;
    00451           crop_end_idx = i - 1;
    00452           strip = true;
    00453         }
    00454         else
    00455         {
    00456           //Otherwise, it is the start of the closing tag of the proprietary tag
    00457           proprietary_closing_tag = true;
    00458         }
    00459       }
    00460       else if (proprietary_tag == true)
    00461       {
    00462         //It is the start of a new tag, following a proprietary tag
    00463         crop_end_idx = i - 1;
    00464         strip = true;
    00465       }
    00466     }
    00467     else if (input_string.c_str()[i] == '>')
    00468     {
    00469       tag_open = false;
    00470       closing_tag_open = false;
    00471       tagname[tagname_idx] = 0;
    00472       tagname_idx = 0;
    00473       if (proprietary_closing_tag == true)
    00474       {
    00475         crop_end_idx = i;
    00476         strip = true;
    00477       }
    00478     }
    00479     else if (tag_open == true && closing_tag_open == false)
    00480     {
    00481       if (input_string.c_str()[i] == '.')
    00482       {
    00483         if (proprietary_tag != true)
    00484         {
    00485           orig_tag_open_idx = tag_open_idx;
    00486           proprietary_tag = true;
    00487         }
    00488       }
    00489       tagname[tagname_idx] = input_string.c_str()[i];
    00490       tagname_idx++;
    00491     }
    00492     //cerr <<i<<endl;
    00493     if (strip == true && orig_tag_open_idx < input_string.size())
    00494     {
    00495       input_string.copy(buffer, (crop_end_idx - orig_tag_open_idx) + 1, orig_tag_open_idx);
    00496       message_out(INFO, "sanitize_proprietary_tags() (end tag or new tag) removed: " + string(buffer));
    00497       input_string.erase(orig_tag_open_idx, (crop_end_idx - orig_tag_open_idx) + 1);
    00498       i = orig_tag_open_idx - 1;
    00499       proprietary_tag = false;
    00500       proprietary_closing_tag = false;
    00501       closing_tag_open = false;
    00502       tag_open = false;
    00503       strip = false;
    00504     }
    00505
    00506   }//end for
    00507   if (proprietary_tag == true && orig_tag_open_idx < input_string.size())
    00508   {
    00509     if (crop_end_idx == 0)   //no closing tag
    00510     {
    00511       crop_end_idx = input_string.size() - 1;
    00512     }
    00513     input_string.copy(buffer, (crop_end_idx - orig_tag_open_idx) + 1, orig_tag_open_idx);
    00514     message_out(INFO, "sanitize_proprietary_tags() (end of line) removed: " + string(buffer));
    00515     input_string.erase(orig_tag_open_idx, (crop_end_idx - orig_tag_open_idx) + 1);
    00516   }
    00517   return input_string;
    00518 }
    00519
    00520
    00521 #ifdef OS_WIN32
    00522 static std::string get_dtd_installation_directory()
    00523 {
    00524   // Partial implementation of
    00525   // http://developer.gnome.org/doc/API/2.0/glib/glib-Windows-Compatibility-Functions.html#g-win32-get-package-installation-directory
    00526   char ch_fn[MAX_PATH], *p;
    00527   std::string str_fn;
    00528
    00529   if (!GetModuleFileName(NULL, ch_fn, MAX_PATH)) return "";
    00530
    00531   if ((p = strrchr(ch_fn, '\\')) != NULL)
    00532     * p = '\0';
    00533
    00534   p = strrchr(ch_fn, '\\');
    00535   if (p && (_stricmp(p + 1, "bin") == 0 ||
    00536             _stricmp(p + 1, "lib") == 0))
    00537     *p = '\0';
    00538
    00539   str_fn = ch_fn;
    00540   str_fn += "\\share\\libofx\\dtd";
    00541
    00542   return str_fn;
    00543 }
    00544 #endif
    00545
    00546
    00559 std::string find_dtd(LibofxContextPtr ctx, const std::string& dtd_filename)
    00560 {
    00561   string dtd_path_filename;
    00562   char *env_dtd_path;
    00563
    00564   dtd_path_filename = reinterpret_cast<const LibofxContext*>(ctx)->dtdDir();
    00565   if (!dtd_path_filename.empty())
    00566   {
    00567     dtd_path_filename.append(dtd_filename);
    00568     ifstream dtd_file(dtd_path_filename.c_str());
    00569     if (dtd_file)
    00570     {
    00571       message_out(STATUS, "find_dtd():DTD found: " + dtd_path_filename);
    00572       return dtd_path_filename;
    00573     }
    00574   }
    00575
    00576 #ifdef OS_WIN32
    00577   dtd_path_filename = get_dtd_installation_directory();
    00578   if (!dtd_path_filename.empty())
    00579   {
    00580     dtd_path_filename.append(DIRSEP);
    00581     dtd_path_filename.append(dtd_filename);
    00582     ifstream dtd_file(dtd_path_filename.c_str());
    00583     if (dtd_file)
    00584     {
    00585       message_out(STATUS, "find_dtd():DTD found: " + dtd_path_filename);
    00586       return dtd_path_filename;
    00587     }
    00588   }
    00589 #endif
    00590   /* Search in environement variable OFX_DTD_PATH */
    00591   env_dtd_path = getenv("OFX_DTD_PATH");
    00592   if (env_dtd_path)
    00593   {
    00594     dtd_path_filename.append(env_dtd_path);
    00595     dtd_path_filename.append(DIRSEP);
    00596     dtd_path_filename.append(dtd_filename);
    00597     ifstream dtd_file(dtd_path_filename.c_str());
    00598     if (!dtd_file)
    00599     {
    00600       message_out(STATUS, "find_dtd():OFX_DTD_PATH env variable was was present, but unable to open the file " + dtd_path_filename);
    00601     }
    00602     else
    00603     {
    00604       message_out(STATUS, "find_dtd():DTD found: " + dtd_path_filename);
    00605       return dtd_path_filename;
    00606     }
    00607   }
    00608
    00609   for (int i = 0; i < DTD_SEARCH_PATH_NUM; i++)
    00610   {
    00611     dtd_path_filename = DTD_SEARCH_PATH[i];
    00612     dtd_path_filename.append(DIRSEP);
    00613     dtd_path_filename.append(dtd_filename);
    00614     ifstream dtd_file(dtd_path_filename.c_str());
    00615     if (!dtd_file)
    00616     {
    00617       message_out(DEBUG, "find_dtd():Unable to open the file " + dtd_path_filename);
    00618     }
    00619     else
    00620     {
    00621       message_out(STATUS, "find_dtd():DTD found: " + dtd_path_filename);
    00622       return dtd_path_filename;
    00623     }
    00624   }
    00625
    00626   /* Last resort, look in source tree relative path (useful for development) */
    00627   dtd_path_filename = "";
    00628   dtd_path_filename.append("..");
    00629   dtd_path_filename.append(DIRSEP);
    00630   dtd_path_filename.append("dtd");
    00631   dtd_path_filename.append(DIRSEP);
    00632   dtd_path_filename.append(dtd_filename);
    00633   ifstream dtd_file(dtd_path_filename.c_str());
    00634   if (!dtd_file)
    00635   {
    00636     message_out(DEBUG, "find_dtd(): Unable to open the file " + dtd_path_filename + ", most likely we are not in the source tree.");
    00637   }
    00638   else
    00639   {
    00640     message_out(STATUS, "find_dtd():DTD found: " + dtd_path_filename);
    00641     return dtd_path_filename;
    00642   }
    00643
    00644
    00645   message_out(ERROR, "find_dtd():Unable to find the DTD named " + dtd_filename);
    00646   return "";
    00647 }
    00648
    00649