forked from ariadne/pkgconf
queue: add pkgconf_queue_solve API
parent
884a88583b
commit
5b10a85a82
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@ -377,6 +377,7 @@ PKGCONF_API void pkgconf_tuple_define_global(pkgconf_client_t *client, const cha
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/* queue.c */
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PKGCONF_API void pkgconf_queue_push(pkgconf_list_t *list, const char *package);
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PKGCONF_API bool pkgconf_queue_compile(pkgconf_client_t *client, pkgconf_pkg_t *world, pkgconf_list_t *list);
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PKGCONF_API bool pkgconf_queue_solve(pkgconf_client_t *client, pkgconf_list_t *list, pkgconf_pkg_t *world, int maxdepth);
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PKGCONF_API void pkgconf_queue_free(pkgconf_list_t *list);
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PKGCONF_API bool pkgconf_queue_apply(pkgconf_client_t *client, pkgconf_list_t *list, pkgconf_queue_apply_func_t func, int maxdepth, void *data);
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PKGCONF_API bool pkgconf_queue_validate(pkgconf_client_t *client, pkgconf_list_t *list, int maxdepth);
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@ -252,6 +252,30 @@ pkgconf_queue_verify(pkgconf_client_t *client, pkgconf_pkg_t *world, pkgconf_lis
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return PKGCONF_PKG_ERRF_OK;
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}
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/*
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* !doc
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*
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* .. c:function:: bool pkgconf_queue_solve(pkgconf_client_t *client, pkgconf_list_t *list, pkgconf_pkg_t *world, int maxdepth)
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*
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* Solves and flattens the dependency graph for the supplied dependency list.
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*
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* :param pkgconf_client_t* client: The pkgconf client object to use for dependency resolution.
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* :param pkgconf_list_t* list: The list of dependency requests to consider.
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* :param pkgconf_pkg_t* world: The root for the generated dependency graph, provided by the caller. Should have PKGCONF_PKG_PKGF_VIRTUAL flag.
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* :param int maxdepth: The maximum allowed depth for the dependency resolver. A depth of -1 means unlimited.
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* :returns: true if the dependency resolver found a solution, otherwise false.
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* :rtype: bool
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*/
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bool
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pkgconf_queue_solve(pkgconf_client_t *client, pkgconf_list_t *list, pkgconf_pkg_t *world, int maxdepth)
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{
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/* if maxdepth is one, then we will not traverse deeper than our virtual package. */
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if (!maxdepth)
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maxdepth = -1;
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return pkgconf_queue_verify(client, world, list, maxdepth) == PKGCONF_PKG_ERRF_OK;
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}
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/*
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* !doc
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*
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@ -260,6 +284,8 @@ pkgconf_queue_verify(pkgconf_client_t *client, pkgconf_pkg_t *world, pkgconf_lis
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* Attempt to compile a dependency resolution queue into a dependency resolution problem, then attempt to solve the problem and
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* feed the solution to a callback function if a complete dependency graph is found.
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*
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* This function should not be used in new code. Use pkgconf_queue_solve instead.
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*
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* :param pkgconf_client_t* client: The pkgconf client object to use for dependency resolution.
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* :param pkgconf_list_t* list: The list of dependency requests to consider.
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* :param pkgconf_queue_apply_func_t func: The callback function to call if a solution is found by the dependency resolver.
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@ -282,7 +308,7 @@ pkgconf_queue_apply(pkgconf_client_t *client, pkgconf_list_t *list, pkgconf_queu
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if (!maxdepth)
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maxdepth = -1;
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if (pkgconf_queue_verify(client, &world, list, maxdepth) != PKGCONF_PKG_ERRF_OK)
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if (!pkgconf_queue_solve(client, list, &world, maxdepth))
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goto cleanup;
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/* the world dependency set is flattened after it is returned from pkgconf_queue_verify */
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