LibOFX
lib/file_preproc.cpp
Go to the documentation of this file.
1 /***************************************************************************
2  file_preproc.cpp
3  -------------------
4  copyright : (C) 2004 by Benoit GrĂ©goire
5  email : benoitg@coeus.ca
6 ***************************************************************************/
12 /***************************************************************************
13  * *
14  * This program is free software; you can redistribute it and/or modify *
15  * it under the terms of the GNU General Public License as published by *
16  * the Free Software Foundation; either version 2 of the License, or *
17  * (at your option) any later version. *
18  * *
19  ***************************************************************************/
20 #include <iostream>
21 #include <fstream>
22 #include <stdlib.h>
23 #include <stdio.h>
24 #include <string>
25 #include "libofx.h"
26 #include "messages.hh"
27 #include "ofx_preproc.hh"
28 #include "context.hh"
29 #include "file_preproc.hh"
30 
31 using namespace std;
32 const unsigned int READ_BUFFER_SIZE = 1024;
33 
34 /* get_file_type_description returns a string description of a LibofxFileType
35  * suitable for debugging output or user communication.
36  */
37 const char * libofx_get_file_format_description(const struct LibofxFileFormatInfo format_list[], enum LibofxFileFormat file_format)
38 {
39  const char * retval = "UNKNOWN (File format couldn't be successfully identified)";
40 
41  for (int i = 0; LibofxImportFormatList[i].format != LAST; i++)
42  {
43  if (LibofxImportFormatList[i].format == file_format)
44  {
45  retval = LibofxImportFormatList[i].description;
46  }
47  }
48  return retval;
49 }
50 
51 /*
52 libofx_get_file_type returns a proper enum from a file type string.
53 */
54 enum LibofxFileFormat libofx_get_file_format_from_str(const struct LibofxFileFormatInfo format_list[], const char * file_type_string)
55 {
56  enum LibofxFileFormat retval = UNKNOWN;
57  for (int i = 0; LibofxImportFormatList[i].format != LAST; i++)
58  {
59  if (strcmp(LibofxImportFormatList[i].format_name, file_type_string) == 0)
60  {
61  retval = LibofxImportFormatList[i].format;
62  }
63  }
64  return retval;
65 }
66 
67 int libofx_proc_file(LibofxContextPtr p_libofx_context, const char * p_filename, LibofxFileFormat p_file_type)
68 {
69  LibofxContext * libofx_context = (LibofxContext *) p_libofx_context;
70 
71  if (p_file_type == AUTODETECT)
72  {
73  message_out(INFO, string("libofx_proc_file(): File format not specified, autodetecting..."));
74  libofx_context->setCurrentFileType(libofx_detect_file_type(p_filename));
75  message_out(INFO, string("libofx_proc_file(): Detected file format: ") +
76  libofx_get_file_format_description(LibofxImportFormatList,
77  libofx_context->currentFileType() ));
78  }
79  else
80  {
81  libofx_context->setCurrentFileType(p_file_type);
83  string("libofx_proc_file(): File format forced to: ") +
84  libofx_get_file_format_description(LibofxImportFormatList,
85  libofx_context->currentFileType() ));
86  }
87 
88  switch (libofx_context->currentFileType())
89  {
90  case OFX:
91  return ofx_proc_file(libofx_context, p_filename);
92  case OFC:
93  return ofx_proc_file(libofx_context, p_filename);
94  default:
95  message_out(ERROR, string("libofx_proc_file(): Could not detect file format, or unsupported file format; aborting."));
96  return -1;
97  }
98  return 0; // never reached
99 }
100 
101 enum LibofxFileFormat libofx_detect_file_type(const char * p_filename)
102 {
103  enum LibofxFileFormat retval = UNKNOWN;
104  ifstream input_file;
105  char buffer[READ_BUFFER_SIZE];
106  string s_buffer;
107  bool type_found = false;
108 
109  if (p_filename != NULL && strcmp(p_filename, "") != 0)
110  {
111  message_out(DEBUG, string("libofx_detect_file_type():Opening file: ") + p_filename);
112 
113  input_file.open(p_filename);
114 
115  if (!input_file)
116  {
117  message_out(ERROR, "libofx_detect_file_type():Unable to open the input file " + string(p_filename));
118  return retval;
119  }
120  else
121  {
122  do
123  {
124  input_file.getline(buffer, sizeof(buffer), '\n');
125  //cout<<buffer<<"\n";
126  s_buffer.assign(buffer);
127  //cout<<"input_file.gcount(): "<<input_file.gcount()<<" sizeof(buffer): "<<sizeof(buffer)<<endl;
128  if (input_file.gcount() < int(sizeof(buffer) - 1))
129  {
130  s_buffer.append("\n");//Just in case...
131  }
132  else if ( !input_file.eof() && input_file.fail())
133  {
134  input_file.clear();
135  }
136 
137  if (s_buffer.find("<OFX") != string::npos || s_buffer.find("<ofx") != string::npos)
138  {
139  message_out(DEBUG, "libofx_detect_file_type():<OFX> tag has been found");
140  retval = OFX;
141  type_found = true;
142  }
143  else if (s_buffer.find("<OFC>") != string::npos || s_buffer.find("<ofc>") != string::npos)
144  {
145  message_out(DEBUG, "libofx_detect_file_type():<OFC> tag has been found");
146  retval = OFC;
147  type_found = true;
148  }
149 
150  }
151  while (type_found == false && !input_file.eof() && !input_file.bad());
152  }
153  input_file.close();
154  }
155  else
156  {
157  message_out(ERROR, "libofx_detect_file_type(): No input file specified");
158  }
159  if (retval == UNKNOWN)
160  message_out(ERROR, "libofx_detect_file_type(): Failed to identify input file format");
161  return retval;
162 }
enum LibofxFileFormat format
Definition: inc/libofx.h:138
enum LibofxFileFormat libofx_get_file_format_from_str(const struct LibofxFileFormatInfo format_list[], const char *file_type_string)
libofx_get_file_type returns a proper enum from a file type string.
const char * description
Definition: inc/libofx.h:140
Preprocessing of the OFX files before parsing.
int libofx_proc_file(LibofxContextPtr p_libofx_context, const char *p_filename, LibofxFileFormat p_file_type)
libofx_proc_file is the entry point of the library.
int message_out(OfxMsgType error_type, const string message)
Message output function.
Preprocessing of the OFX files before parsing.
const char * libofx_get_file_format_description(const struct LibofxFileFormatInfo format_list[], enum LibofxFileFormat file_format)
get_file_format_description returns a string description of a LibofxFileType.
Message IO functionality.
enum LibofxFileFormat libofx_detect_file_type(const char *p_filename)
libofx_detect_file_type tries to analyze a file to determine it&#39;s format.
LibofxFileFormat
Definition: inc/libofx.h:126
int ofx_proc_file(LibofxContextPtr ctx, const char *p_filename)
File pre-processing of OFX AND for OFC files.