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root/OpenMD/trunk/src/utils/StringTokenizer.cpp

Comparing trunk/src/utils/StringTokenizer.cpp (file contents):
Revision 246 by gezelter, Wed Jan 12 22:41:40 2005 UTC vs.
Revision 1442 by gezelter, Mon May 10 17:28:26 2010 UTC

#	Line 1 | Line 1
1	<	/*
1	>	/*
2		* Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3		*
4		* The University of Notre Dame grants you ("Licensee") a
#	Line 6 | Line 6
6		* redistribute this software in source and binary code form, provided
7		* that the following conditions are met:
8		*
9	<	* 1. Acknowledgement of the program authors must be made in any
10	<	*    publication of scientific results based in part on use of the
11	<	*    program.  An acceptable form of acknowledgement is citation of
12	<	*    the article in which the program was described (Matthew
13	<	*    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14	<	*    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15	<	*    Parallel Simulation Engine for Molecular Dynamics,"
16	<	*    J. Comput. Chem. 26, pp. 252-271 (2005))
17	<	*
18	<	* 2. Redistributions of source code must retain the above copyright
9	>	* 1. Redistributions of source code must retain the above copyright
10		*    notice, this list of conditions and the following disclaimer.
11		*
12	<	* 3. Redistributions in binary form must reproduce the above copyright
12	>	* 2. Redistributions in binary form must reproduce the above copyright
13		*    notice, this list of conditions and the following disclaimer in the
14		*    documentation and/or other materials provided with the
15		*    distribution.
#	Line 37 | Line 28
28		* arising out of the use of or inability to use software, even if the
29		* University of Notre Dame has been advised of the possibility of
30		* such damages.
31	+	*
32	+	* SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your
33	+	* research, please cite the appropriate papers when you publish your
34	+	* work.  Good starting points are:
35	+	*
36	+	* [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).
37	+	* [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).
38	+	* [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).
39	+	* [4]  Vardeman & Gezelter, in progress (2009).
40		*/
41
42		#include <iostream>
#	Line 44 | Line 44
44		#include <sstream>
45		#include "utils/StringTokenizer.hpp"
46
47	<	namespace oopse {
47	>	namespace OpenMD {
48
49
50	<	StringTokenizer::StringTokenizer(const std::string & str, const std::string & delim)
51	<	: tokenString_(str), delim_(delim), returnTokens_(false),
52	<	currentPos_(tokenString_.begin()), end_(tokenString_.end()){
50	>	StringTokenizer::StringTokenizer(const std::string & str, const std::string & delim)
51	>	: tokenString_(str), delim_(delim), returnTokens_(false),
52	>	currentPos_(tokenString_.begin()), end_(tokenString_.end()){
53
54	<	}
54	>	}
55
56	<	StringTokenizer::StringTokenizer(std::string::const_iterator& first, std::string::const_iterator& last,
57	<	const std::string & delim)
58	<	: tokenString_(first, last) , delim_(delim), returnTokens_(false),
59	<	currentPos_(tokenString_.begin()), end_(tokenString_.end()) {
56	>	StringTokenizer::StringTokenizer(std::string::const_iterator& first, std::string::const_iterator& last,
57	>	const std::string & delim)
58	>	: tokenString_(first, last) , delim_(delim), returnTokens_(false),
59	>	currentPos_(tokenString_.begin()), end_(tokenString_.end()) {
60
61	<	}
61	>	}
62
63	<	StringTokenizer::StringTokenizer(const std::string&str, const std::string&delim,
64	<	bool returnTokens)
65	<	: tokenString_(str), delim_(delim), returnTokens_(returnTokens),
66	<	currentPos_(tokenString_.begin()), end_(tokenString_.end()) {
63	>	StringTokenizer::StringTokenizer(const std::string&str, const std::string&delim,
64	>	bool returnTokens)
65	>	: tokenString_(str), delim_(delim), returnTokens_(returnTokens),
66	>	currentPos_(tokenString_.begin()), end_(tokenString_.end()) {
67
68	<	}
68	>	}
69
70	<	bool StringTokenizer::isDelimiter(const char c) {
70	>	bool StringTokenizer::isDelimiter(const char c) {
71		return delim_.find(c) == std::string::npos ? false : true;
72	<	}
72	>	}
73
74	<	int StringTokenizer::countTokens() {
74	>	int StringTokenizer::countTokens() {
75
76		std::string::const_iterator tmpIter = currentPos_;
77		int numToken = 0;
78
79		while (true) {
80
81	<	//skip delimiter first
82	<	while( tmpIter != end_ && isDelimiter(*tmpIter)) {
83	<	++tmpIter;
81	>	//skip delimiter first
82	>	while( tmpIter != end_ && isDelimiter(*tmpIter)) {
83	>	++tmpIter;
84
85	<	if (returnTokens_) {
86	<	//if delimiter is consider as token
87	<	++numToken;
88	<	}
89	<	}
85	>	if (returnTokens_) {
86	>	//if delimiter is consider as token
87	>	++numToken;
88	>	}
89	>	}
90
91	<	if (tmpIter == end_) {
92	<	break;
93	<	}
91	>	if (tmpIter == end_) {
92	>	break;
93	>	}
94
95	<	//encount a token here
96	<	while ( tmpIter != end_ && !isDelimiter(*tmpIter) ) {
97	<	++tmpIter;
98	<	}
95	>	//encount a token here
96	>	while ( tmpIter != end_ && !isDelimiter(*tmpIter) ) {
97	>	++tmpIter;
98	>	}
99
100	<	++numToken;
100	>	++numToken;
101
102		}
103
104		return numToken;
105	<	}
105	>	}
106
107	<	bool StringTokenizer::hasMoreTokens() {
107	>	bool StringTokenizer::hasMoreTokens() {
108
109		if (currentPos_ == end_) {
110	<	return false;
110	>	return false;
111		} else if (returnTokens_) {
112	<	return true;
112	>	return true;
113		} else {
114	<	std::string::const_iterator i = currentPos_;
114	>	std::string::const_iterator i = currentPos_;
115
116	<	//walk through the remaining string to check whether it contains non-delimeter or not
117	<	while(i != end_ && isDelimiter(*i)) {
118	<	++i;
119	<	}
116	>	//walk through the remaining string to check whether it contains non-delimeter or not
117	>	while(i != end_ && isDelimiter(*i)) {
118	>	++i;
119	>	}
120
121	<	return i != end_ ? true : false;
121	>	return i != end_ ? true : false;
122		}
123	<	}
123	>	}
124
125	<	std::string StringTokenizer::nextToken() {
125	>	std::string StringTokenizer::nextToken() {
126		std::string result;
127
128		if(currentPos_ != end_) {
129	<	std::insert_iterator<std::string> insertIter(result, result.begin());
129	>	std::insert_iterator<std::string> insertIter(result, result.begin());
130
131	<	while( currentPos_ != end_ && isDelimiter(*currentPos_)) {
131	>	while( currentPos_ != end_ && isDelimiter(*currentPos_)) {
132
133	<	if (returnTokens_) {
134	<	*insertIter++ = *currentPos_++;
135	<	return result;
136	<	}
133	>	if (returnTokens_) {
134	>	*insertIter++ = *currentPos_++;
135	>	return result;
136	>	}
137
138	<	++currentPos_;
139	<	}
138	>	++currentPos_;
139	>	}
140
141	<	while (currentPos_ != end_ && !isDelimiter(*currentPos_)) {
142	<	*insertIter++ = *currentPos_++;
143	<	}
141	>	while (currentPos_ != end_ && !isDelimiter(*currentPos_)) {
142	>	*insertIter++ = *currentPos_++;
143	>	}
144
145		}
146
147		return result;
148	<	}
148	>	}
149
150	<	bool StringTokenizer::nextTokenAsBool() {
150	>	bool StringTokenizer::nextTokenAsBool() {
151		std::string token = nextToken();
152		std::istringstream iss(token);
153		bool result;
154
155		if (iss >> result) {
156	<	return result;
156	>	return result;
157		} else {
158	<	std::cerr << "unable to convert " << token << " to a bool" << std::endl;
159	<	return false;
158	>	std::cerr << "unable to convert " << token << " to a bool" << std::endl;
159	>	return false;
160		}
161	<	}
162	<
163	<	int StringTokenizer::nextTokenAsInt() {
161	>	}
162	>
163	>	//Since libstdc++(GCC 3.2) has an i/ostream::operator>>/<<(streambuf*) bug (Bug 9318)
164	>	//Instead of using iostream facility, we use C library
165	>	int StringTokenizer::nextTokenAsInt() {
166		std::string token = nextToken();
167	<	std::istringstream iss(token);
168	<	int result;
169	<
168	<	if (iss >> result) {
169	<	return result;
170	<	} else {
171	<	std::cerr << "unable to convert " << token << " to an integer" << std::endl;
172	<	return 0;
173	<	}
174	<	}
167	>
168	>	return atoi(token.c_str());
169	>	}
170
171	<	float StringTokenizer::nextTokenAsFloat() {
171	>	float StringTokenizer::nextTokenAsFloat() {
172		std::string token = nextToken();
173	<	std::istringstream iss(token);
174	<	float result;
175	<
181	<	if (iss >> result) {
182	<	return result;
183	<	} else {
184	<	std::cerr << "unable to convert " << token << " to a float" << std::endl;
185	<	return 0.0;
186	<	}
187	<	}
173	>	convertFortranNumber(token);
174	>	return (float) (atof(token.c_str()));
175	>	}
176
177	<	double StringTokenizer::nextTokenAsDouble() {
177	>	RealType StringTokenizer::nextTokenAsDouble() {
178		std::string token = nextToken();
179	<	std::istringstream iss(token);
180	<	double result;
181	<
194	<	if (iss >> result) {
195	<	return result;
196	<	} else {
197	<	std::cerr << "unable to convert " << token << " to a double" << std::endl;
198	<	return 0.0;
199	<	}
200	<	}
179	>	convertFortranNumber(token);
180	>	return atof(token.c_str());
181	>	}
182
183	<	std::string  StringTokenizer::peekNextToken() {
183	>	std::string  StringTokenizer::peekNextToken() {
184		std::string result;
185		std::string::const_iterator tmpIter = currentPos_;
186
187		if(tmpIter != end_) {
188	<	std::insert_iterator<std::string> insertIter(result, result.begin());
188	>	std::insert_iterator<std::string> insertIter(result, result.begin());
189
190	<	while(tmpIter != end_ && isDelimiter(*tmpIter)) {
190	>	while(tmpIter != end_ && isDelimiter(*tmpIter)) {
191
192	<	if (returnTokens_) {
193	<	*insertIter++ = *tmpIter++;
194	<	return result;
195	<	}
192	>	if (returnTokens_) {
193	>	*insertIter++ = *tmpIter++;
194	>	return result;
195	>	}
196
197	<	++tmpIter;
198	<	}
197	>	++tmpIter;
198	>	}
199
200	<	while (tmpIter != end_ && !isDelimiter(*tmpIter)) {
201	<	*insertIter++ = *tmpIter++;
202	<	}
200	>	while (tmpIter != end_ && !isDelimiter(*tmpIter)) {
201	>	*insertIter++ = *tmpIter++;
202	>	}
203		}
204
205		return result;
206	<	}
206	>	}
207
208	<	}//end namespace oopse
208	>	std::vector<std::string>  StringTokenizer::getAllTokens() {
209	>	std::vector<std::string> tokens;
210	>	while (hasMoreTokens()) {
211	>	tokens.push_back(nextToken());
212	>	}
213	>	return tokens;
214	>	}
215	>	void StringTokenizer::convertFortranNumber(std::string& fortranNumber) {
216	>	std::string::iterator i;
217	>	for(i = fortranNumber.begin(); i != fortranNumber.end(); ++i) {
218	>	if (*i == 'd' || *i == 'D') {
219	>	*i = 'E';
220	>	}
221	>	}
222	>	}
223
224	+	}//end namespace OpenMD
225	+

Comparing trunk/src/utils/StringTokenizer.cpp (property svn:keywords):
Revision 246 by gezelter, Wed Jan 12 22:41:40 2005 UTC vs.
Revision 1442 by gezelter, Mon May 10 17:28:26 2010 UTC

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