1 | /* rpackagelister.h - package cache and list manipulation |
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2 | * |
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3 | * Copyright (c) 2000, 2001 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 | |
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26 | |
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27 | #ifndef _RPACKAGELISTER_H_ |
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28 | #define _RPACKAGELISTER_H_ |
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29 | |
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30 | |
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31 | #include <vector> |
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32 | #include <list> |
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33 | #include <map> |
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34 | #include <set> |
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35 | #include <regex.h> |
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36 | #include <apt-pkg/depcache.h> |
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37 | |
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38 | #include "rpackagecache.h" |
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39 | #include "rpackage.h" |
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40 | #include "rpackageview.h" |
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41 | #include "ruserdialog.h" |
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42 | #include "config.h" |
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43 | |
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44 | using namespace std; |
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45 | |
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46 | class OpProgress; |
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47 | class RPackageCache; |
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48 | class RPackageFilter; |
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49 | class RCacheActor; |
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50 | class RPackageViewFilter; |
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51 | class RPackageViewSearch; |
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52 | class pkgRecords; |
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53 | class pkgAcquireStatus; |
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54 | class pkgPackageManager; |
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55 | |
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56 | |
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57 | struct RFilter; |
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58 | class RPackageView; |
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59 | |
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60 | class RInstallProgress; |
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61 | |
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62 | class RPackageObserver { |
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63 | public: |
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64 | virtual void notifyChange(RPackage *pkg) = 0; |
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65 | virtual void notifyPreFilteredChange() = 0; |
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66 | virtual void notifyPostFilteredChange() = 0; |
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67 | virtual ~RPackageObserver() {}; |
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68 | }; |
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69 | |
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70 | class RCacheObserver { |
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71 | public: |
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72 | virtual void notifyCacheOpen() = 0; |
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73 | virtual void notifyCachePreChange() = 0; |
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74 | virtual void notifyCachePostChange() = 0; |
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75 | virtual ~RCacheObserver() {}; |
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76 | }; |
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77 | |
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78 | // base sort class |
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79 | // for a example use see sortPackages() |
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80 | template<class T> |
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81 | class sortFunc { |
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82 | protected: |
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83 | bool _ascent; |
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84 | T cmp; |
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85 | public: |
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86 | sortFunc(bool ascent) : _ascent(ascent) {}; |
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87 | bool operator() (RPackage *x, RPackage *y) { |
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88 | if(_ascent) |
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89 | return cmp(x,y); |
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90 | else |
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91 | return cmp(y,x); |
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92 | } |
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93 | }; |
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94 | |
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95 | |
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96 | class RPackageLister { |
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97 | |
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98 | protected: |
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99 | |
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100 | // Internal APT stuff. |
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101 | RPackageCache * _cache; |
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102 | pkgRecords *_records; |
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103 | OpProgress *_progMeter; |
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104 | |
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105 | // Other members. |
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106 | vector<RPackage *> _packages; |
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107 | vector<int> _packagesIndex; |
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108 | |
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109 | vector<RPackage *> _viewPackages; |
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110 | vector<int> _viewPackagesIndex; |
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111 | |
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112 | // It shouldn't be needed to control this inside this class. -- niemeyer |
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113 | bool _updating; |
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114 | |
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115 | // all known packages (needed identifing "new" pkgs) |
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116 | set<string> packageNames; |
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117 | |
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118 | bool _cacheValid; // is the cache valid? |
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119 | |
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120 | int _installedCount; // # of installed packages |
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121 | |
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122 | vector<RCacheActor *> _actors; |
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123 | |
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124 | RPackageViewFilter *_filterView; // the package view that does the filtering |
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125 | RPackageViewSearch *_searchView; // the package view that does the (simple) search |
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126 | |
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127 | public: |
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128 | |
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129 | unsigned int _viewMode; |
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130 | |
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131 | typedef enum { |
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132 | LIST_SORT_NAME, |
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133 | LIST_SORT_SIZE_ASC, |
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134 | LIST_SORT_SIZE_DES, |
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135 | LIST_SORT_SUPPORTED_ASC, |
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136 | LIST_SORT_SUPPORTED_DES, |
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137 | LIST_SORT_SECTION_ASC, |
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138 | LIST_SORT_SECTION_DES, |
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139 | LIST_SORT_COMPONENT_ASC, |
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140 | LIST_SORT_COMPONENT_DES, |
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141 | LIST_SORT_DLSIZE_ASC, |
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142 | LIST_SORT_DLSIZE_DES, |
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143 | LIST_SORT_STATUS_ASC, |
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144 | LIST_SORT_STATUS_DES, |
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145 | LIST_SORT_VERSION_ASC, |
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146 | LIST_SORT_VERSION_DES, |
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147 | LIST_SORT_INST_VERSION_ASC, |
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148 | LIST_SORT_INST_VERSION_DES |
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149 | } listSortMode; |
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150 | listSortMode _sortMode; |
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151 | |
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152 | #ifdef HAVE_RPM |
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153 | typedef pkgDepCache::State pkgState; |
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154 | #else |
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155 | typedef vector<int> pkgState; |
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156 | #endif |
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157 | |
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158 | private: |
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159 | |
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160 | vector<RPackageView *> _views; |
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161 | RPackageView *_selectedView; |
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162 | RPackageStatus _pkgStatus; |
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163 | |
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164 | void applyInitialSelection(); |
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165 | |
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166 | bool lockPackageCache(FileFd &lock); |
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167 | |
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168 | void sortPackages(vector<RPackage *> &packages,listSortMode mode); |
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169 | |
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170 | struct { |
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171 | char *pattern; |
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172 | regex_t regex; |
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173 | bool isRegex; |
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174 | int last; |
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175 | } _searchData; |
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176 | |
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177 | vector<RPackageObserver *> _packageObservers; |
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178 | vector<RCacheObserver *> _cacheObservers; |
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179 | |
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180 | RUserDialog *_userDialog; |
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181 | |
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182 | void makeCommitLog(); |
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183 | void writeCommitLog(); |
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184 | string _logEntry; |
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185 | time_t _logTime; |
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186 | |
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187 | // undo/redo stuff |
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188 | list<pkgState> undoStack; |
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189 | list<pkgState> redoStack; |
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190 | |
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191 | public: |
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192 | // clean files older than "Synaptic::delHistory" |
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193 | void cleanCommitLog(); |
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194 | |
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195 | void sortPackages(listSortMode mode) { |
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196 | sortPackages(_viewPackages, mode); |
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197 | }; |
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198 | |
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199 | void setView(unsigned int index); |
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200 | vector<string> getViews(); |
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201 | vector<string> getSubViews(); |
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202 | |
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203 | // set subView (if newView is empty, set to all packages) |
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204 | bool setSubView(string newView=""); |
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205 | |
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206 | // this needs a different name, something like refresh |
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207 | void reapplyFilter(); |
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208 | |
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209 | // is is exposed for the stuff like filter manager window |
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210 | RPackageViewFilter *filterView() { return _filterView; }; |
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211 | RPackageViewSearch *searchView() { return _searchView; }; |
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212 | |
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213 | // find |
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214 | int findPackage(const char *pattern); |
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215 | int findNextPackage(); |
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216 | |
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217 | const vector<RPackage *> &getPackages() { return _packages; }; |
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218 | const vector<RPackage *> &getViewPackages() { return _viewPackages; }; |
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219 | RPackage *getPackage(int index) { return _packages.at(index); }; |
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220 | RPackage *getViewPackage(int index) { return _viewPackages.at(index); }; |
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221 | RPackage *getPackage(pkgCache::PkgIterator &pkg); |
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222 | RPackage *getPackage(string name); |
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223 | int getPackageIndex(RPackage *pkg); |
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224 | int getViewPackageIndex(RPackage *pkg); |
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225 | |
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226 | int packagesSize() { return _packages.size(); }; |
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227 | int viewPackagesSize() { return _updating ? 0 : _viewPackages.size(); }; |
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228 | |
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229 | void getStats(int &installed, int &broken, int &toInstall, int &toReInstall, |
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230 | int &toRemove, double &sizeChange); |
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231 | |
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232 | void getSummary(int &held, int &kept, int &essential, |
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233 | int &toInstall, int &toReInstall, int &toUpgrade, |
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234 | int &toRemove, int &toDowngrade, |
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235 | int &unAuthenticated, double &sizeChange); |
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236 | |
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237 | |
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238 | void getDetailedSummary(vector<RPackage *> &held, |
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239 | vector<RPackage *> &kept, |
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240 | vector<RPackage *> &essential, |
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241 | vector<RPackage *> &toInstall, |
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242 | vector<RPackage *> &toReInstall, |
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243 | vector<RPackage *> &toUpgrade, |
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244 | vector<RPackage *> &toRemove, |
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245 | vector<RPackage *> &toPurge, |
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246 | vector<RPackage *> &toDowngrade, |
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247 | #ifdef WITH_APT_AUTH |
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248 | vector<string> ¬Authenticated, |
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249 | #endif |
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250 | double &sizeChange); |
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251 | |
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252 | void getDownloadSummary(int &dlCount, double &dlSize); |
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253 | |
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254 | void saveUndoState(pkgState &state); |
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255 | void saveUndoState(); |
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256 | void undo(); |
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257 | void redo(); |
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258 | void saveState(pkgState &state); |
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259 | void restoreState(pkgState &state); |
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260 | bool getStateChanges(pkgState &state, |
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261 | vector<RPackage *> &kept, |
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262 | vector<RPackage *> &toInstall, |
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263 | vector<RPackage *> &toReInstall, |
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264 | vector<RPackage *> &toUpgrade, |
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265 | vector<RPackage *> &toRemove, |
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266 | vector<RPackage *> &toDowngrade, |
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267 | vector<RPackage *> ¬Authenticated, |
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268 | vector<RPackage *> &exclude, bool sorted = true); |
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269 | |
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270 | // open it with lock |
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271 | bool openCache(bool lock=true); |
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272 | |
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273 | bool fixBroken(); |
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274 | |
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275 | bool check(); |
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276 | bool upgradable(); |
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277 | |
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278 | bool upgrade(); |
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279 | bool distUpgrade(); |
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280 | |
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281 | bool cleanPackageCache(bool forceClean = false); |
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282 | |
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283 | bool updateCache(pkgAcquireStatus *status, string &error); |
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284 | bool commitChanges(pkgAcquireStatus *status, RInstallProgress *iprog); |
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285 | |
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286 | void setProgressMeter(OpProgress *progMeter) { |
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287 | if(_progMeter != NULL) |
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288 | delete _progMeter; |
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289 | _progMeter = progMeter; |
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290 | }; |
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291 | |
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292 | void setUserDialog(RUserDialog *dialog) { |
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293 | _userDialog = dialog; |
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294 | }; |
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295 | |
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296 | // policy stuff |
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297 | vector<string> getPolicyArchives(bool filenames_only=false) { |
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298 | if (_cacheValid) |
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299 | return _cache->getPolicyArchives(filenames_only); |
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300 | else |
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301 | return vector<string>(); |
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302 | }; |
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303 | |
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304 | // notification stuff about changes in packages |
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305 | void notifyPreChange(RPackage *pkg); |
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306 | void notifyPostChange(RPackage *pkg); |
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307 | void notifyChange(RPackage *pkg); |
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308 | void registerObserver(RPackageObserver *observer); |
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309 | void unregisterObserver(RPackageObserver *observer); |
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310 | |
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311 | // notification stuff about changes in cache |
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312 | void notifyCacheOpen(); |
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313 | void notifyCachePreChange(); |
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314 | void notifyCachePostChange(); |
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315 | void registerCacheObserver(RCacheObserver *observer); |
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316 | void unregisterCacheObserver(RCacheObserver *observer); |
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317 | |
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318 | bool readSelections(istream &in); |
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319 | bool writeSelections(ostream &out, bool fullState); |
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320 | |
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321 | RPackageCache* getCache() { return _cache; }; |
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322 | |
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323 | RPackageLister(); |
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324 | ~RPackageLister(); |
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325 | }; |
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326 | |
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327 | |
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328 | #endif |
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329 | |
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330 | // vim:ts=3:sw=3:et |
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