GeoTessCPP: include/CPPUtils.h Source File

GeoTessCPP 2.1 Software to facilitate storage and retrieval of 3D information about the Earth.

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CPPUtils.h
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2 //-
3 //- Copyright 2009 Sandia Corporation. Under the terms of Contract
4 //- DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government
5 //- retains certain rights in this software.
6 //-
7 //- BSD Open Source License.
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11 //- modification, are permitted provided that the following conditions are met:
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13 //- * Redistributions of source code must retain the above copyright notice,
14 //- this list of conditions and the following disclaimer.
15 //- * Redistributions in binary form must reproduce the above copyright
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17 //- documentation and/or other materials provided with the distribution.
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20 //- this software without specific prior written permission.
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22 //- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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35
36 #ifndef CPPUTILS_OBJECT_H
37 #define CPPUTILS_OBJECT_H
38
39 // **** _SYSTEM INCLUDES_ ******************************************************
40
41 #include "CPPGlobals.h"
42 #include <fstream>
43
44 // **** # Defines **************************************************************
45
46 // use standard library objects
47 using namespace std;
48
49 //--------------------------
50
51 // **** _LOCAL INCLUDES_ *******************************************************
52
53 // **** _BEGIN GEOTESS NAMESPACE_ **********************************************
54
55 namespace geotess {
56
57 // **** _GLOBAL_REFERENCES_ ****************************************************
58
59 // **** _FORWARD REFERENCES_ ***************************************************
60
61 // **** _CLASS DEFINITION_ *****************************************************
62
69 class GEOTESS_EXP_IMP CPPUtils
70 {
71 private:
72
76 CPPUtils(const CPPUtils& bs) {};
77
81 CPPUtils& operator=(const CPPUtils& bs) { return *this; };
82
83 public:
84
88 CPPUtils() {};
89
93 virtual ~CPPUtils() {};
94
99 static string class_name() { return "CPPUtils"; };
100
104 virtual int class_size() const
105 { return (int) sizeof(CPPUtils); };
106
110 static const string getOpSys();
111
116 static string stringReplaceAll(const string& sf, const string& sr,
117 const string& s);
118
122 static void removeEOL(string& s);
123
128 static void addPathSeparator(string& path);
129
134 static string insertPathSeparator(const string& dir, const string& name);
135
140 static void removePathSeparator(string& path);
141
146 static string itos(int i, const string& frmt = "%d");
147 static string ltos(LONG_INT l, const string& frmt = "%llu");
148 static string ftos(float f, const string& frmt = "%.6f");
149 static string dtos(double d, const string& frmt = "%.14f");
150 static string btos(bool b);
151
156 static int stoi(const string& i, const string& frmt = "%d");
157 static LONG_INT stol(const string& i64, const string& frmt = "%llu");
158 static float stof(const string& f, const string& frmt = "%f");
159 static double stod(const string& d, const string& frmt = "%lf");
160 static bool stob(const string& b);
161
167 static string trim(const string& str,
168 const string& delim = " \t");
169 static string trimLeft(const string& str,
170 const string& delim = " \t");
171 static string trimRight(const string& str,
172 const string& delim = " \t");
173
189 static void getProperties(const string& str,
190 map<string, string>& props);
191
204 static bool getProperty(const map<string, string>& props,
205 const string& tag, string& value);
206
214 static void tokenizeString(const string& str, const string& delim,
215 vector<string>& tokens);
216
221 static string lowercase_string(const string& str);
222 static string uppercase_string(const string& str);
223
227 template <typename T>
228 static void minmax(const vector<T>& v, T& mn, T& mx);
229
233 static double toDegrees(double a);
234
238 static double toRadians(double a);
239
243 template <typename T>
244 static T** new2DArrayOfArrays(int ni, int nj)
245 {
246 T** a = new T* [ni];
247 for (int i = 0; i < ni; ++i)
248 a[i] = new T [nj];
249 return a;
250 }
251
259 template <typename T>
260 static T** new2DArray(int ni, int nj)
261 {
262 T** a = new T* [ni];
263 a[0] = new T [ni*nj];
264 for (int i=1; i<ni; ++i) a[i] = &a[0][i*nj];
265 return a;
266 }
267
276 template <typename T>
277 static T*** new3DArray(int ni, int nj, int nk)
278 {
279 T*** a = new T** [ni];
280 a[0] = new T* [ni*nj];
281 a[0][0] = new T [ni*nj*nk];
282 for (int i = 0; i < ni; ++i)
283 {
284 a[i] = &a[0][i*nj];
285 for (int j = 0; j < nj; ++j)
286 a[i][j] = &a[0][0][(i*nj + j)*nk];
287 }
288
289 return a;
290 }
291
295 template <typename T>
296 static void delete2DArray(T**& a);
297
301 template <typename T>
302 static void delete2DArrayOfArrays(T**& a, int ni)
303 {
304 if (a)
305 {
306 for (int i = 0; i < ni; ++i) delete [] a[i];
307 delete [] a;
308 a = NULL;
309 }
310 }
311
315 template <typename T>
316 static void delete3DArray(T***& a);
317
321 template <typename T>
322 static void resetArray(int n, T* array, T val)
323 {
324 for (int i = 0; i < n; ++i) array[i] = val;
325 }
326
330 template <typename T>
331 static T* copyArray(T* a, int n)
332 {
333 T* copy = new T[n];
334 for (int i=0; i<n; ++i)
335 copy[i] = a[i];
336 return copy;
337 }
338
342 static bool isBigEndian();
343
347 static bool isint(const string& i);
348
352 static const int SBOL;
353 static const int SBYT;
354 static const int SSHT;
355 static const int SINT;
356 static const int SLNG;
357 static const int SFLT;
358 static const int SDBL;
359
363 static char const FILE_SEP;
364
368 static string const NEWLINE;
369
370 static bool fileExists(const string& fileName)
371 {
372 fstream f;
373
374 f.open(fileName.c_str(), ios::in);
375 if (f.is_open())
376 {
377 f.close();
378 return true;
379 }
380 return false;
381 }
382
383 }; // End class CPPUtils
384
385 // **** _INLINE FUNCTION IMPLEMENTATIONS_ **************************************
386
392 inline double CPPUtils::toDegrees(double a)
393 {
394 return RAD_TO_DEG * a;
395 }
396
402 inline double CPPUtils::toRadians(double a)
403 {
404 return DEG_TO_RAD * a;
405 }
406
410 template <typename T>
411 inline void CPPUtils::delete2DArray(T**& a)
412 {
413 if (a)
414 {
415 delete [] a[0];
416 delete [] a;
417 a = NULL;
418 }
419 }
420
424 template <typename T>
425 inline void CPPUtils::delete3DArray(T***& a)
426 {
427 if (a)
428 {
429 delete [] a[0][0];
430 delete [] a[0];
431 delete [] a;
432 a = NULL;
433 }
434 }
435
439 inline void CPPUtils::removeEOL(string& s)
440 {
441 if (s.size() && (s[s.length() - 1] == '\n')) s.erase(s.length() - 1);
442 if (s.size() && (s[s.length() - 1] == '\r')) s.erase(s.length() - 1);
443 }
444
445 inline void CPPUtils::removePathSeparator(string& s)
446 {
447 if (s.size() && (s[s.length() - 1] == CPPUtils::FILE_SEP)) s.erase(s.length() - 1);
448 }
449
450 inline void CPPUtils::addPathSeparator(string& s)
451 {
452 if ( s.find_last_of(CPPUtils::FILE_SEP) != s.length() - 1 )
453 s += CPPUtils::FILE_SEP;
454 }
455
456 inline string CPPUtils::insertPathSeparator(const string& dir, const string& name)
457 {
458
459 string path = dir;
460
461 while (path.size() && (path[path.length() - 1] == CPPUtils::FILE_SEP))
462 path.erase(path.length() - 1, 1);
463
464 if (path.length() > 0)
465 path = path+CPPUtils::FILE_SEP;
466
467 string nm = name;
468 while (nm.size() && (nm[0] == CPPUtils::FILE_SEP))
469 nm.erase((unsigned)0, 1);
470
471 return path+nm;
472 }
473
477 template <typename T>
478 void CPPUtils::minmax(const vector<T>& v, T& mn, T& mx)
479 {
480 // exit without modification if v is empty
481
482 if (v.size())
483 {
484 // assign mx and mn to first entry
485
486 mx = mn = v[0];
487
488 // adjust mx and mn based on remaining entries
489
490 for (int i = 1; i < v.size(); i++)
491 {
492 if (mn > v[i]) mn = v[i];
493 if (mx < v[i]) mx = v[i];
494 }
495 }
496 }
497
498 } // end namespace geotess
499
500 #endif // CPPUTILS_OBJECT_H