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 * redistribute this software in source and binary code form, provided | 
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 * that the following conditions are met: | 
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 * | 
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< | 
 * 1. Acknowledgement of the program authors must be made in any | 
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 *    publication of scientific results based in part on use of the | 
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< | 
 *    program.  An acceptable form of acknowledgement is citation of | 
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< | 
 *    the article in which the program was described (Matthew | 
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< | 
 *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher | 
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< | 
 *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented | 
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< | 
 *    Parallel Simulation Engine for Molecular Dynamics," | 
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 *    J. Comput. Chem. 26, pp. 252-271 (2005)) | 
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< | 
 * | 
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< | 
 * 2. Redistributions of source code must retain the above copyright | 
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> | 
 * 1. Redistributions of source code must retain the above copyright | 
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  | 
 *    notice, this list of conditions and the following disclaimer. | 
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  | 
 * | 
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 * 3. Redistributions in binary form must reproduce the above copyright | 
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> | 
 * 2. Redistributions in binary form must reproduce the above copyright | 
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  | 
 *    notice, this list of conditions and the following disclaimer in the | 
| 14 | 
  | 
 *    documentation and/or other materials provided with the | 
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  | 
 *    distribution. | 
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 * arising out of the use of or inability to use software, even if the | 
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 * University of Notre Dame has been advised of the possibility of | 
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 * such damages. | 
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+ | 
 * | 
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+ | 
 * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your | 
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+ | 
 * research, please cite the appropriate papers when you publish your | 
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+ | 
 * work.  Good starting points are: | 
| 35 | 
+ | 
 *                                                                       | 
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+ | 
 * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).              | 
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+ | 
 * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).           | 
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+ | 
 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).           | 
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+ | 
 * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010). | 
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+ | 
 * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). | 
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  | 
 */ | 
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 | 
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#ifndef SELECTION_TOKEN_HPP | 
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#include <utility> | 
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#include "utils/any.hpp" | 
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 | 
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namespace oopse { | 
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namespace OpenMD { | 
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 | 
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 | 
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  /** | 
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    const static int endofline         = 9; | 
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    const static int endofstatement    = 10; | 
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 | 
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    const static int command           = (1 <<  8); | 
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    const static int expressionCommand = (1 <<  9); // expression command | 
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    const static int expression        = (1 << 10); /// expression term | 
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    const static int command           = (1 <<  11); | 
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    const static int expressionCommand = (1 <<  12); // expression command | 
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    const static int expression        = (1 << 13); /// expression term | 
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 | 
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    // generally, the minus sign is used to denote atom ranges | 
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    // this property is used for the few commands which allow negative integers | 
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    const static int negnums      = (1 << 11); | 
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    const static int negnums      = (1 << 14); | 
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 | 
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    //expression involves coordinates which will change every frame, such as withins | 
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    const static int dynamic        = (1 << 12); | 
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    const static int dynamic        = (1 << 15); | 
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 | 
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    // every property is also valid in an expression context | 
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    const static int atomproperty      = (1 << 12) | expression | negnums; | 
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    const static int atomproperty      = (1 << 16) | expression | negnums; | 
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    // every predefined is also valid in an expression context | 
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    const static int comparator        = (1 << 13) | expression; | 
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    const static int predefinedset     = (1 << 14) | expression; | 
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    const  static int embeddedExpression= (1 << 15); // embedded expression | 
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    const static int index = (1 << 16) | expression; | 
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    const static int comparator        = (1 << 17) | expression; | 
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    const static int predefinedset     = (1 << 18) | expression; | 
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    const  static int embeddedExpression= (1 << 19); // embedded expression | 
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    const static int index = (1 << 20) | expression; | 
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    // rasmol commands | 
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    const static int define       = command | expressionCommand |1; | 
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    const static int select       = command |expressionCommand |2 ; | 
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    // atom expression operators | 
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    const static int leftparen    = expression |  0; | 
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    const static int rightparen   = expression |  1; | 
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    const static int to                = expression | 2; | 
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    const static int to           = expression |  2; | 
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    const static int opAnd        = expression |  3; | 
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    const static int opOr         = expression |  4; | 
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    const static int opNot        = expression |  5; | 
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    const static int asterisk     = expression |  7; | 
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    const static int dot          = expression | 8; | 
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    const static int all          = expression | 9 ;  | 
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    const static int none      = expression | 10; | 
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    const static int name      = expression | 11; | 
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    const static int none         = expression | 10; | 
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> | 
    const static int name         = expression | 11; | 
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    const static int hull         = expression | dynamic | 12; | 
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> | 
 | 
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  | 
    // miguel 2005 01 01 | 
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    // these are used to demark the beginning and end of expressions | 
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    // they do not exist in the source code, but are emitted by the | 
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  | 
 | 
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    const static int mass         = atomproperty | 0; | 
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    const static int charge       = atomproperty | 1; | 
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    const static int x            = atomproperty | dynamic | 2; | 
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    const static int y            = atomproperty | dynamic | 3; | 
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    const static int z            = atomproperty | dynamic | 4; | 
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    const static int r            = atomproperty | dynamic | 5; | 
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  | 
         | 
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    const static int opGT         = comparator |  0; | 
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    const static int opGE         = comparator |  1; | 
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    const static int opLE         = comparator |  2; | 
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    const static int opLT         = comparator |  3; | 
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    const static int opEQ         = comparator |  4; | 
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< | 
    const static int opNE         = comparator |  5; | 
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> | 
    const static int opGT         = comparator |  dynamic | 0; | 
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> | 
    const static int opGE         = comparator |  dynamic | 1; | 
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> | 
    const static int opLE         = comparator |  dynamic | 2; | 
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> | 
    const static int opLT         = comparator |  dynamic | 3; | 
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> | 
    const static int opEQ         = comparator |  dynamic | 4; | 
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> | 
    const static int opNE         = comparator |  dynamic | 5; | 
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  | 
  | 
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    static Token tokenExpressionBegin; | 
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    static Token tokenExpressionEnd; |