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1 /* |
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #ifndef SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP |
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26 #define SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP |
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27 |
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28 #include "classfile/vmSymbols.hpp" |
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29 #include "memory/allocation.hpp" |
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30 #include "runtime/os.hpp" |
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31 #include "runtime/thread.hpp" |
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32 #include "utilities/exceptions.hpp" |
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33 |
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34 class GenDCmdArgument : public ResourceObj { |
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35 protected: |
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36 GenDCmdArgument* _next; |
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37 const char* _name; |
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38 const char* _description; |
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39 const char* _type; |
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40 const char* _default_string; |
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41 bool _is_set; |
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42 bool _is_mandatory; |
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43 GenDCmdArgument(const char* name, const char* description, const char* type, |
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44 const char* default_string, bool mandatory) { |
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45 _name = name; |
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46 _description = description; |
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47 _type = type; |
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48 _default_string = default_string; |
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49 _is_mandatory = mandatory; |
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50 _is_set = false; |
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51 }; |
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52 public: |
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53 const char* name() { return _name; } |
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54 const char* description() { return _description; } |
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55 const char* type() { return _type; } |
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56 const char* default_string() { return _default_string; } |
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57 bool is_set() { return _is_set; } |
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58 void set_is_set(bool b) { _is_set = b; } |
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59 bool is_mandatory() { return _is_mandatory; } |
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60 bool has_value() { return _is_set || _default_string != NULL; } |
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61 bool has_default() { return _default_string != NULL; } |
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62 void read_value(const char* str, size_t len, TRAPS); |
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63 virtual void parse_value(const char* str, size_t len, TRAPS) = 0; |
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64 virtual void init_value(TRAPS) = 0; |
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65 virtual void reset(TRAPS) = 0; |
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66 virtual void cleanup() = 0; |
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67 void set_next(GenDCmdArgument* arg) { |
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68 _next = arg; |
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69 } |
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70 GenDCmdArgument* next() { |
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71 return _next; |
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72 } |
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73 }; |
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74 |
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75 template <class ArgType> class DCmdArgument: public GenDCmdArgument { |
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76 private: |
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77 ArgType _value; |
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78 public: |
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79 DCmdArgument(const char* name, const char* description, const char* type, |
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80 bool mandatory) : |
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81 GenDCmdArgument(name, description, type, NULL, mandatory) { } |
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82 DCmdArgument(const char* name, const char* description, const char* type, |
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83 bool mandatory, const char* defaultvalue) : |
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84 GenDCmdArgument(name, description, type, defaultvalue, mandatory) |
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85 { } |
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86 ~DCmdArgument() { destroy_value(); } |
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87 ArgType value() { return _value;} |
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88 void set_value(ArgType v) { _value = v; } |
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89 void reset(TRAPS) { |
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90 destroy_value(); |
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91 init_value(CHECK); |
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92 _is_set = false; |
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93 } |
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94 void cleanup() { |
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95 destroy_value(); |
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96 } |
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97 void parse_value(const char* str, size_t len, TRAPS); |
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98 void init_value(TRAPS); |
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99 void destroy_value(); |
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100 }; |
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101 |
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102 #endif /* SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP */ |