libshogun-dev 3.2.0-7.5 / usr / include / shogun / io / CSVFile.h

This file is indexed.

/usr/include/shogun/io/CSVFile.h is in libshogun-dev 3.2.0-7.5.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Written (W) 2013 Evgeniy Andreev (gsomix)
 */

#ifndef __CSVFILE_H__
#define __CSVFILE_H__

#include <shogun/io/File.h>

#include <shogun/io/LineReader.h>
#include <shogun/io/Parser.h>
#include <shogun/lib/DelimiterTokenizer.h>
#include <shogun/lib/v_array.h>

namespace shogun
{

/** @brief Class CSVFile used to read data from comma-separated values (CSV)
 * files. See http://en.wikipedia.org/wiki/Comma-separated_values.
 */
class CCSVFile : public CFile
{
public:
	/** default constructor */
	CCSVFile();

	/** constructor
	 *
	 * @param f already opened file
	 * @param name variable name (e.g. "x" or "/path/to/x")
	 */
	CCSVFile(FILE* f, const char* name=NULL);

	/** constructor
	 *
	 * @param fd already opened file descriptor
	 * @param mode mode, 'r' or 'w'
	 * @param name variable name (e.g. "x" or "/path/to/x")
	 */
	CCSVFile(int fd, const char* mode, const char* name=NULL);

	/** constructor
	 *
	 * @param fname filename to open
	 * @param rw mode, 'r' or 'w'
	 * @param name variable name (e.g. "x" or "/path/to/x")
	 */
	CCSVFile(const char* fname, char rw='r', const char* name=NULL);

	/** destructor */
	virtual ~CCSVFile();

	/** set order for data in file
	 *
	 * @param value whether the data should be regarded as transposed
	 */
	void set_transpose(bool value);

	/** set delimiting character
	 *
	 * @param delimiter the character used as delimiter
	 */
	void set_delimiter(char delimiter);

	/** skip lines
	 *
	 * @param num_lines number of lines should be skiped
	 */
	void set_lines_to_skip(int32_t num_lines);

	/** get statistics about file
	 *
	 * @param num_tokens number of tokens in first data line
	 * @return number of data lines
	 */
	int32_t get_stats(int32_t& num_tokens);

	/** @name Vector Access Functions
	 *
	 * Functions to access vectors of one of the several base data types.
	 * These functions are used when loading vectors from e.g. file
	 * and return the vector and its length len by reference
	 */
	//@{
	virtual void get_vector(int8_t*& vector, int32_t& len);
	virtual void get_vector(uint8_t*& vector, int32_t& len);
	virtual void get_vector(char*& vector, int32_t& len);
	virtual void get_vector(int32_t*& vector, int32_t& len);
	virtual void get_vector(uint32_t*& vector, int32_t& len);
	virtual void get_vector(float64_t*& vector, int32_t& len);
	virtual void get_vector(float32_t*& vector, int32_t& len);
	virtual void get_vector(floatmax_t*& vector, int32_t& len);
	virtual void get_vector(int16_t*& vector, int32_t& len);
	virtual void get_vector(uint16_t*& vector, int32_t& len);
	virtual void get_vector(int64_t*& vector, int32_t& len);
	virtual void get_vector(uint64_t*& vector, int32_t& len);
	//@}

	/** @name Matrix Access Functions
	 *
	 * Functions to access matrices of one of the several base data types.
	 * These functions are used when loading matrices from e.g. file
	 * and return the matrices and its dimensions num_feat and num_vec
	 * by reference
	 */
	//@{
	virtual void get_matrix(
			uint8_t*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_matrix(
			int8_t*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_matrix(
			char*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_matrix(
			int32_t*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_matrix(
			uint32_t*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_matrix(
			int64_t*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_matrix(
			uint64_t*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_matrix(
			float32_t*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_matrix(
			float64_t*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_matrix(
			floatmax_t*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_matrix(
			int16_t*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_matrix(
			uint16_t*& matrix, int32_t& num_feat, int32_t& num_vec);
	//@}

	/** @name N-Dimensional Array Access Functions
	 *
	 * Functions to access n-dimensional arrays of one of the several base
	 * data types. These functions are used when loading n-dimensional arrays
	 * from e.g. file and return the them and its dimensions dims and num_dims
	 * by reference
	 */
	//@{
	virtual void get_ndarray(
			uint8_t*& array, int32_t*& dims, int32_t& num_dims);
	virtual void get_ndarray(
			char*& array, int32_t*& dims, int32_t& num_dims);
	virtual void get_ndarray(
			int32_t*& array, int32_t*& dims, int32_t& num_dims);
	virtual void get_ndarray(
			float32_t*& array, int32_t*& dims, int32_t& num_dims);
	virtual void get_ndarray(
			float64_t*& array, int32_t*& dims, int32_t& num_dims);
	virtual void get_ndarray(
			int16_t*& array, int32_t*& dims, int32_t& num_dims);
	virtual void get_ndarray(
			uint16_t*& array, int32_t*& dims, int32_t& num_dims);
	//@}

	/** @name Sparse Matrix Access Functions
	 *
	 * Functions to access sparse matrices of one of the several base data types.
	 * These functions are used when loading sparse matrices from e.g. file
	 * and return the sparse matrices and its dimensions num_feat and num_vec
	 * by reference
	 */
	//@{
	virtual void get_sparse_matrix(
			SGSparseVector<bool>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
			SGSparseVector<uint8_t>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
		SGSparseVector<int8_t>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
			SGSparseVector<char>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
			SGSparseVector<int32_t>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
			SGSparseVector<uint32_t>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
			SGSparseVector<int64_t>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
			SGSparseVector<uint64_t>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
			SGSparseVector<int16_t>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
			SGSparseVector<uint16_t>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
			SGSparseVector<float32_t>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
			SGSparseVector<float64_t>*& matrix, int32_t& num_feat, int32_t& num_vec);
	virtual void get_sparse_matrix(
			SGSparseVector<floatmax_t>*& matrix, int32_t& num_feat, int32_t& num_vec);
	//@}

	/** @name String Access Functions
	 *
	 * Functions to access strings of one of the several base data types.
	 * These functions are used when loading variable length datatypes
	 * from e.g. file and return the strings and their number
	 * by reference
	 */
	//@{
	virtual void get_string_list(
			SGString<uint8_t>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	virtual void get_string_list(
			SGString<int8_t>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	virtual void get_string_list(
			SGString<char>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	virtual void get_string_list(
			SGString<int32_t>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	virtual void get_string_list(
			SGString<uint32_t>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	virtual void get_string_list(
			SGString<int16_t>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	virtual void get_string_list(
			SGString<uint16_t>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	virtual void get_string_list(
			SGString<int64_t>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	virtual void get_string_list(
			SGString<uint64_t>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	virtual void get_string_list(
			SGString<float32_t>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	virtual void get_string_list(
			SGString<float64_t>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	virtual void get_string_list(
			SGString<floatmax_t>*& strings, int32_t& num_str,
			int32_t& max_string_len);
	//@}

	/** vector access functions */
	/*virtual void get_vector(void*& vector, int32_t& len, DataType& dtype);*/

	/** @name Vector Access Functions
	 *
	 * Functions to access vectors of one of the several base data types.
	 * These functions are used when writing vectors of length len
	 * to e.g. a file
	 */
	//@{
	virtual void set_vector(const int8_t* vector, int32_t len);
	virtual void set_vector(const uint8_t* vector, int32_t len);
	virtual void set_vector(const char* vector, int32_t len);
	virtual void set_vector(const int32_t* vector, int32_t len);
	virtual void set_vector(const uint32_t* vector, int32_t len);
	virtual void set_vector(const float32_t* vector, int32_t len);
	virtual void set_vector(const float64_t* vector, int32_t len);
	virtual void set_vector(const floatmax_t* vector, int32_t len);
	virtual void set_vector(const int16_t* vector, int32_t len);
	virtual void set_vector(const uint16_t* vector, int32_t len);
	virtual void set_vector(const int64_t* vector, int32_t len);
	virtual void set_vector(const uint64_t* vector, int32_t len);
	//@}

	/** @name Matrix Access Functions
	 *
	 * Functions to access matrices of one of the several base data types.
	 * These functions are used when writing matrices of num_feat rows and
	 * num_vec columns to e.g. a file
	 */
	//@{
	virtual void set_matrix(
			const uint8_t* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_matrix(
			const int8_t* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_matrix(
			const char* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_matrix(
			const int32_t* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_matrix(
			const uint32_t* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_matrix(
			const int64_t* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_matrix(
			const uint64_t* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_matrix(
			const float32_t* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_matrix(
			const float64_t* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_matrix(
			const floatmax_t* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_matrix(
			const int16_t* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_matrix(
			const uint16_t* matrix, int32_t num_feat, int32_t num_vec);
	//@}

	/** @name Sparse Matrix Access Functions
	 *
	 * Functions to access sparse matrices of one of the several base data types.
	 * These functions are used when writing sparse matrices of num_feat rows and
	 * num_vec columns to e.g. a file
	 */
	//@{
	virtual void set_sparse_matrix(
			const SGSparseVector<bool>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<uint8_t>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<int8_t>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<char>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<int32_t>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<uint32_t>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<int64_t>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<uint64_t>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<int16_t>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<uint16_t>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<float32_t>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<float64_t>* matrix, int32_t num_feat, int32_t num_vec);
	virtual void set_sparse_matrix(
			const SGSparseVector<floatmax_t>* matrix, int32_t num_feat, int32_t num_vec);
	//@}

	/** @name String Access Functions
	 *
	 * Functions to access strings of one of the several base data types.
	 * These functions are used when writing variable length datatypes
	 * like strings to a file. Here num_str denotes the number of strings
	 * and strings is a pointer to a string structure.
	 */
	//@{
	virtual void set_string_list(
			const SGString<uint8_t>* strings, int32_t num_str);
	virtual void set_string_list(
			const SGString<int8_t>* strings, int32_t num_str);
	virtual void set_string_list(
			const SGString<char>* strings, int32_t num_str);
	virtual void set_string_list(
			const SGString<int32_t>* strings, int32_t num_str);
	virtual void set_string_list(
			const SGString<uint32_t>* strings, int32_t num_str);
	virtual void set_string_list(
			const SGString<int16_t>* strings, int32_t num_str);
	virtual void set_string_list(
			const SGString<uint16_t>* strings, int32_t num_str);
	virtual void set_string_list(
			const SGString<int64_t>* strings, int32_t num_str);
	virtual void set_string_list(
			const SGString<uint64_t>* strings, int32_t num_str);
	virtual void set_string_list(
			const SGString<float32_t>* strings, int32_t num_str);
	virtual void set_string_list(
			const SGString<float64_t>* strings, int32_t num_str);
	virtual void set_string_list(
			const SGString<floatmax_t>* strings, int32_t num_str);
	//@}

	/**
	 * Split a given substring into an array of substrings
	 * based on a specified delimiter
	 *
	 * @param delim delimiter to use
	 * @param s substring to tokenize
	 * @param ret array of substrings, returned
	 */
	static void tokenize(char delim, substring s, v_array<substring> &ret);

	virtual const char* get_name() const { return "CSVFile"; }

private:
	/** class initialization */
	void init();

	/** class initialization */
	void init_with_defaults();

	/** skip m_num_skipped lines */
	void skip_lines(int32_t num_lines);

private:
	/** object for reading lines from file */
	CLineReader* m_line_reader;

	/** parser of lines */
	CParser* m_parser;

	/** tokenizer for line_reader */
	CDelimiterTokenizer* m_line_tokenizer;

	/** tokenizer for parser */
	CDelimiterTokenizer* m_tokenizer;

	/** data order */
	bool is_data_transposed;

	/** delimiter */
	char m_delimiter;

	/** number of lines should be skipped */
	int32_t m_num_to_skip;
};

}

#endif /** __CSVFILE_H__ */

APT Browse - Built by Thomas Orozco.