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/*
* Copyright 2005-2023 Gentoo Foundation
* Distributed under the terms of the GNU General Public License v2
*/
#ifndef _TREE_H
#define _TREE_H 1
#include <dirent.h>
#include <stdbool.h>
#include <stddef.h>
#include "atom.h"
#include "set.h"
typedef struct tree_ctx tree_ctx;
typedef struct tree_cat_ctx tree_cat_ctx;
typedef struct tree_pkg_ctx tree_pkg_ctx;
typedef struct tree_pkg_meta tree_pkg_meta;
typedef struct tree_metadata_xml tree_metadata_xml;
typedef struct tree_match_ctx tree_match_ctx;
/* tree context */
struct tree_ctx {
int portroot_fd;
int tree_fd;
char path[_Q_PATH_MAX];
DIR *dir;
struct dirent **cat_de;
size_t cat_cnt;
size_t cat_cur;
bool do_sort:1;
enum {
CACHE_UNSET = 0,
CACHE_METADATA_MD5,
CACHE_METADATA_PMS,
CACHE_EBUILD,
CACHE_VDB,
CACHE_PACKAGES,
CACHE_BINPKGS,
} cachetype:3;
tree_pkg_ctx *ebuilddir_pkg_ctx;
tree_cat_ctx *ebuilddir_cat_ctx;
tree_ctx *ebuilddir_ctx;
char *repo;
char *pkgs;
size_t pkgslen;
const depend_atom *query_atom;
struct tree_cache {
char *store;
size_t storesize;
set *categories;
bool all_categories:1;
} cache;
};
/* Category context */
struct tree_cat_ctx {
const char *name;
int fd;
DIR *dir;
tree_ctx *ctx;
tree_pkg_ctx **pkg_ctxs;
size_t pkg_cnt;
size_t pkg_cur;
};
/* Package context */
struct tree_pkg_ctx {
const char *name;
char *slot;
char *repo;
size_t slot_len;
size_t repo_len;
int fd;
tree_cat_ctx *cat_ctx;
depend_atom *atom;
tree_pkg_meta *meta;
};
/* Ebuild data */
struct tree_pkg_meta {
#define Q__data Q_DEPEND /* ptr to first member of the struct */
char *Q_DEPEND; /* line 1 */
char *Q_RDEPEND;
char *Q_SLOT;
char *Q_SRC_URI;
char *Q_RESTRICT; /* line 5 */
char *Q_HOMEPAGE;
char *Q_LICENSE;
char *Q_DESCRIPTION;
char *Q_KEYWORDS;
char *Q_INHERITED; /* line 10 */
char *Q_IUSE;
char *Q_CDEPEND;
char *Q_PDEPEND;
char *Q_PROVIDE; /* line 14 */
char *Q_EAPI;
char *Q_PROPERTIES; /* last line from metadata */
char *Q_BDEPEND;
char *Q_IDEPEND;
/* binpkgs/vdb */
char *Q_DEFINED_PHASES;
char *Q_REQUIRED_USE;
char *Q_CONTENTS;
char *Q_USE;
char *Q_EPREFIX;
char *Q_PATH; /* binpkg-multi-instance */
char *Q_BUILDID; /* binpkg-multi-instance */
char *Q_repository;
char *Q_MD5;
char *Q_SHA1;
#define Q_SIZE Q_SRC_URI
/* These are MD5-Cache only */
char *Q__eclasses_;
char *Q__md5_;
#define Q__last Q__md5_ /* ptr to last data member in struct */
/* for memory allocations backing the pointers above */
struct tree_pkg_meta_ll {
char *ptr;
size_t len;
size_t pos;
struct tree_pkg_meta_ll *next;
} *storage;
};
/* Metadata.xml */
struct tree_metadata_xml {
struct elist {
char *addr;
struct elist *next;
} *email;
};
/* used with tree_match_atom, both atom and meta are fully materialised
* (populated and deep copied) when set */
struct tree_match_ctx {
depend_atom *atom;
tree_pkg_ctx *pkg;
tree_pkg_meta *meta;
char path[_Q_PATH_MAX + 48];
tree_match_ctx *next;
char free_atom:1;
char free_meta:1;
};
/* foreach pkg callback function signature */
typedef int (tree_pkg_cb)(tree_pkg_ctx *, void *priv);
tree_ctx *tree_open(const char *sroot, const char *portdir);
tree_ctx *tree_open_vdb(const char *sroot, const char *svdb);
tree_ctx *tree_open_ebuild(const char *sroot, const char *portdir);
tree_ctx *tree_open_binpkg(const char *sroot, const char *spkg);
void tree_close(tree_ctx *ctx);
tree_cat_ctx *tree_open_cat(tree_ctx *ctx, const char *name);
void tree_close_cat(tree_cat_ctx *cat_ctx);
tree_pkg_ctx *tree_open_pkg(tree_cat_ctx *cat_ctx, const char *name);
tree_pkg_ctx *tree_next_pkg(tree_cat_ctx *cat_ctx);
char *tree_pkg_meta_get_int(tree_pkg_ctx *pkg_ctx, size_t offset, const char *key);
#define tree_pkg_meta_get(P,X) \
tree_pkg_meta_get_int(P, offsetof(tree_pkg_meta, Q_##X), #X)
tree_metadata_xml *tree_pkg_metadata(tree_pkg_ctx *pkg_ctx);
void tree_close_metadata(tree_metadata_xml *meta_ctx);
void tree_close_pkg(tree_pkg_ctx *pkg_ctx);
int tree_foreach_pkg(tree_ctx *ctx, tree_pkg_cb callback, void *priv,
bool sort, const depend_atom *query);
#define tree_foreach_pkg_fast(ctx, cb, priv, query) \
tree_foreach_pkg(ctx, cb, priv, false, query)
#define tree_foreach_pkg_sorted(ctx, cb, priv, query) \
tree_foreach_pkg(ctx, cb, priv, true, query)
set *tree_get_atoms(tree_ctx *ctx, bool fullcpv, set *satoms);
depend_atom *tree_get_atom(tree_pkg_ctx *pkg_ctx, bool complete);
tree_match_ctx *tree_match_atom(tree_ctx *t, const depend_atom *q, int flags);
#define TREE_MATCH_FULL_ATOM (1<<1)
#define TREE_MATCH_METADATA (1<<2)
#define TREE_MATCH_LATEST (1<<3)
#define TREE_MATCH_FIRST (1<<4)
#define TREE_MATCH_VIRTUAL (1<<5)
#define TREE_MATCH_ACCT (1<<6)
#define TREE_MATCH_DEFAULT (TREE_MATCH_VIRTUAL | TREE_MATCH_ACCT)
void tree_match_close(tree_match_ctx *t);
#endif
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