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Diffstat (limited to 'dselect/pkglist.h')
| -rw-r--r-- | dselect/pkglist.h | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/dselect/pkglist.h b/dselect/pkglist.h new file mode 100644 index 0000000..0816d4b --- /dev/null +++ b/dselect/pkglist.h @@ -0,0 +1,263 @@ +/* + * dselect - Debian package maintenance user interface + * pkglist.h - external definitions for package list handling + * + * Copyright © 1994,1995 Ian Jackson <ijackson@chiark.greenend.org.uk> + * Copyright © 2001 Wichert Akkerman <wakkerma@debian.org> + * Copyright © 2007-2014 Guillem Jover <guillem@debian.org> + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef PKGLIST_H +#define PKGLIST_H + +#include <regex.h> + +enum showpriority { + dp_none, // has not been involved in any unsatisfied things + dp_may, // has been involved in an unsatisfied Suggests + dp_should, // has been involved in an unsatisfied Recommends + dp_must, // has been involved in an unsatisfied Depends/Conflicts +}; + +enum selpriority { + // where did the currently suggested value come from, and how important + // is it to display this package ? + // low + sp_inherit, // inherited from our parent list + sp_selecting, // propagating a selection + sp_deselecting, // propagating a deselection + sp_fixed, // it came from the ‘status’ file and we're not a recursive list + // high +}; + +enum ssavailval { // Availability sorting order, first to last: + ssa_broken, // Brokenly-installed and nothing available + ssa_notinst_unseen, // Entirely new packages (available but not deselected yet) + ssa_installed_newer, // Installed, newer version available + ssa_installed_gone, // Installed but no longer available + ssa_installed_sameold, // Same or older version available as installed + ssa_notinst_seen, // Available but not installed + ssa_notinst_gone, // Not available, and only config files left + ssa_none = -1, +}; + +enum ssstateval { // State sorting order, first to last: + sss_broken, // In some way brokenly installed + sss_installed, // Installed + sss_configfiles, // Config files only + sss_notinstalled, // Not installed + sss_none = -1, +}; + +struct perpackagestate { + struct pkginfo *pkg; + /* The ‘heading’ entries in the list, for “all packages of type foo”, + * point to a made-up pkginfo, which has pkg->name==0. + * pkg->priority and pkg->section are set to the values if appropriate, or to + * PKG_PRIO_UNSET resp. null if the heading refers to all priorities resp. + * sections. + * uprec is used when constructing the list initially and when tearing it + * down and should not otherwise be used; other fields are undefined. + */ + pkgwant original; // set by caller + pkgwant direct; // set by caller + pkgwant suggested; // set by caller, modified by resolvesuggest + pkgwant selected; // not set by caller, will be set by packagelist + selpriority spriority; // monotonically increases (used by sublists) + showpriority dpriority; // monotonically increases (used by sublists) + struct perpackagestate *uprec; // 0 if this is not part of a recursive list + ssavailval ssavail; + ssstateval ssstate; + varbuf relations; + + void free(bool recursive); +}; + +class packagelist : public baselist { +protected: + column col_status; + column col_section; + column col_priority; + column col_package; + column col_archinstalled; + column col_archavailable; + column col_versioninstalled; + column col_versionavailable; + column col_description; + + // Only used when ‘verbose’ is set + column col_status_hold; + column col_status_status; + column col_status_old_want; + column col_status_new_want; + + // Table of packages + struct perpackagestate *datatable; + struct perpackagestate **table; + + // Misc. + int nallocated; + bool recursive, verbose; + enum { + so_unsorted, + so_section, + so_priority, + so_alpha, + } sortorder; + enum { + sso_unsorted, + sso_avail, + sso_state, + } statsortorder; + enum { + ado_none, + ado_available, + ado_both, + } archdisplayopt; + enum { + vdo_none, + vdo_available, + vdo_both, + } versiondisplayopt; + bool calcssadone, calcsssdone; + struct perpackagestate *headings; + + // Package searching flags + bool searchdescr; + regex_t searchfsm; + + // Information displays + struct infotype { + bool (packagelist::*relevant)(); // null means always relevant + void (packagelist::*display)(); // null means end of table + }; + const infotype *currentinfo; + static const infotype infoinfos[]; + static const infotype *const baseinfo; + bool itr_recursive(); + bool itr_nonrecursive(); + void severalinfoblurb(); + void itd_mainwelcome(); + void itd_explaindisplay(); + void itd_recurwelcome(); + void itd_relations(); + void itd_description(); + void itd_statuscontrol(); + void itd_availablecontrol(); + + // Dependency and sublist processing + struct doneent { doneent *next; void *dep; } *depsdone, *unavdone; + bool alreadydone(doneent **, void *); + int resolvedepcon(dependency*); + int checkdependers(pkginfo*, int changemade); // returns new changemade + int deselect_one_of(pkginfo *er, pkginfo *ed, dependency *dep); + + // Define these virtuals + bool checksearch(char *str) override; + bool matchsearch(int index) override; + void redraw1itemsel(int index, int selected) override; + void redrawcolheads() override; + void redrawthisstate() override; + void redrawinfo() override; + void redrawtitle() override; + void setwidths() override; + const char *itemname(int index) override; + const struct helpmenuentry *helpmenulist() override; + + // Miscellaneous internal routines + + void redraw1package(int index, int selected); + int compareentries(const struct perpackagestate *a, const struct perpackagestate *b); + friend int qsort_compareentries(const void *a, const void *b); + pkgwant reallywant(pkgwant, struct perpackagestate *); + int describemany(char buf[], const char *prioritystring, const char *section, + const struct perpackagestate *pps); + bool deppossatisfied(deppossi *possi, perpackagestate **fixbyupgrade); + + void sortmakeheads(); + void resortredisplay(); + void movecursorafter(int ncursor); + void initialsetup(); + void finalsetup(); + void ensurestatsortinfo(); + + // To do with building the list, with heading lines in it + void discardheadings(); + void addheading(enum ssavailval, enum ssstateval, + pkgpriority, const char *, const char *section); + void sortinplace(); + bool affectedmatches(struct pkginfo *pkg, struct pkginfo *comparewith); + void affectedrange(int *startp, int *endp); + void setwant(pkgwant nw); + void sethold(int hold); + + public: + + // Keybinding functions */ + void kd_quit_noop(); + void kd_revert_abort(); + void kd_revertsuggest(); + void kd_revertdirect(); + void kd_revertinstalled(); + void kd_morespecific(); + void kd_lessspecific(); + void kd_swaporder(); + void kd_swapstatorder(); + void kd_select(); + void kd_deselect(); + void kd_purge(); + void kd_hold(); + void kd_unhold(); + void kd_info(); + void kd_toggleinfo(); + void kd_verbose(); + void kd_archdisplay(); + void kd_versiondisplay(); + + explicit packagelist(keybindings *kb); // nonrecursive + packagelist(keybindings *kb, pkginfo **pkgltab); // recursive + void add(pkginfo **array) { while (*array) add(*array++); } + void add(pkginfo*); + void add(pkginfo *, pkgwant); + void add(pkginfo*, const char *extrainfo, showpriority displayimportance); + bool add(dependency *, showpriority displayimportance); + void addunavailable(deppossi*); + bool useavailable(pkginfo *); + pkgbin *find_pkgbin(pkginfo *); + + int resolvesuggest(); + int deletelessimp_anyleft(showpriority than); + pkginfo **display(); + ~packagelist(); +}; + +void repeatedlydisplay(packagelist *sub, showpriority, + packagelist *unredisplay = nullptr); +int would_like_to_install(pkgwant, pkginfo *pkg); + +extern const char *const wantstrings[]; +extern const char *const eflagstrings[]; +extern const char *const statusstrings[]; +extern const char *const prioritystrings[]; +extern const char *const priorityabbrevs[]; +extern const char *const relatestrings[]; +extern const char *const ssastrings[], *const ssaabbrevs[]; +extern const char *const sssstrings[], *const sssabbrevs[]; +extern const char statuschars[]; +extern const char eflagchars[]; +extern const char wantchars[]; + +#endif /* PKGLIST_H */ |