1 | /* rcacheactor.h |
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2 | * |
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3 | * Copyright (c) 2000-2003 Conectiva S/A |
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4 | * 2002 Michael Vogt <mvo@debian.org> |
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5 | * |
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6 | * Author: Alfredo K. Kojima <kojima@conectiva.com.br> |
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7 | * Michael Vogt <mvo@debian.org> |
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8 | * |
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9 | * This program is free software; you can redistribute it and/or |
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10 | * modify it under the terms of the GNU General Public License as |
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11 | * published by the Free Software Foundation; either version 2 of the |
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12 | * License, or (at your option) any later version. |
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13 | * |
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14 | * This program is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this program; if not, write to the Free Software |
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21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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22 | * USA |
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23 | */ |
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24 | |
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25 | #ifndef RCACHEACTOR_H |
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26 | #define RCACHEACTOR_H |
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27 | |
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28 | #include "rpackagelister.h" |
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29 | #include <regex.h> |
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30 | |
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31 | class RCacheActor:public RCacheObserver { |
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32 | public: |
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33 | |
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34 | enum Action { |
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35 | ACTION_KEEP, |
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36 | ACTION_INSTALL, |
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37 | ACTION_REINSTALL, |
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38 | ACTION_REMOVE |
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39 | }; |
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40 | |
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41 | protected: |
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42 | |
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43 | RPackageLister *_lister; |
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44 | RPackageLister::pkgState *_laststate; |
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45 | |
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46 | public: |
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47 | |
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48 | virtual void run(vector<RPackage *> &List, int Action) = 0; |
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49 | |
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50 | virtual void notifyCachePreChange() { |
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51 | updateState(); |
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52 | }; |
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53 | |
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54 | virtual void notifyCachePostChange(); |
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55 | |
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56 | virtual void notifyCacheOpen() { |
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57 | }; |
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58 | |
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59 | virtual void updateState() { |
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60 | delete _laststate; |
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61 | _laststate = new RPackageLister::pkgState; |
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62 | _lister->saveState(*_laststate); |
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63 | }; |
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64 | |
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65 | RCacheActor(RPackageLister *lister) |
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66 | : _lister(lister), _laststate(0) { |
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67 | _lister->registerCacheObserver(this); |
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68 | }; |
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69 | |
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70 | virtual ~ RCacheActor() { |
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71 | _lister->unregisterCacheObserver(this); |
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72 | }; |
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73 | }; |
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74 | |
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75 | class RCacheActorRecommends:public RCacheActor { |
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76 | protected: |
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77 | |
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78 | typedef vector<string> ListType; |
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79 | typedef map<string, ListType> MapType; |
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80 | typedef map<regex_t *, ListType> RegexMapType; |
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81 | |
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82 | MapType _map; |
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83 | MapType _map_wildcard; |
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84 | RegexMapType _map_regex; |
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85 | |
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86 | string _langLast; |
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87 | ListType _langCache; |
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88 | |
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89 | void setLanguageCache(); |
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90 | |
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91 | inline bool actOnPkg(string name, int Action) { |
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92 | RPackage *Pkg = _lister->getPackage(name); |
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93 | if (Pkg != NULL) { |
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94 | switch (Action) { |
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95 | case ACTION_KEEP: |
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96 | Pkg->setKeep(); |
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97 | break; |
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98 | case ACTION_INSTALL: |
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99 | Pkg->setInstall(); |
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100 | break; |
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101 | case ACTION_REMOVE: |
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102 | Pkg->setRemove(); |
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103 | break; |
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104 | } |
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105 | return true; |
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106 | } |
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107 | return false; |
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108 | }; |
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109 | |
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110 | |
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111 | public: |
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112 | |
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113 | virtual void run(vector<RPackage *> &List, int Action); |
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114 | |
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115 | virtual void notifyCachePostChange(); |
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116 | |
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117 | RCacheActorRecommends(RPackageLister *lister, string FileName); |
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118 | virtual ~RCacheActorRecommends(); |
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119 | }; |
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120 | |
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121 | #endif |
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122 | |
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123 | // vim:sts=3:sw=3 |
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