LibOFX

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