Hash :
6e0fa05b
Author :
Date :
2010-06-01T19:34:48
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#ifndef INCLUDE_git_revwalk_h__
#define INCLUDE_git_revwalk_h__
#include "common.h"
#include "odb.h"
#include "commit.h"
/**
* @file git/revwalk.h
* @brief Git revision traversal routines
* @defgroup git_revwalk Git revision traversal routines
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
/**
* Sort the revpool contents in no particular ordering;
* this sorting is arbritary, implementation-specific
* and subject to change at any time.
* This is the default sorting for new revision pools.
*/
#define GIT_RPSORT_NONE (0)
/**
* Sort the revpool contents in topological order
* (parents before children); this sorting mode
* can be combined with time sorting.
*/
#define GIT_RPSORT_TOPOLOGICAL (1 << 0)
/**
* Sort the revpool contents by commit time;
* this sorting mode can be combined with
* topological sorting.
*/
#define GIT_RPSORT_TIME (1 << 1)
/**
* Iterate through the revpool contents in reverse
* order; this sorting mode can be combined with
* any of the above.
*/
#define GIT_RPSORT_REVERSE (1 << 2)
/**
* Allocate a new revision traversal pool.
*
* The configuration is copied during allocation. Changes
* to the configuration after allocation do not affect the pool
* returned by this function. Callers may safely free the
* passed configuration after the function completes.
*
* @param db the database objects are read from.
* @return the new traversal handle; NULL if memory is exhausted.
*/
GIT_EXTERN(git_revpool *) gitrp_alloc(git_odb *db);
/**
* Reset the traversal machinary for reuse.
* @param pool traversal handle to reset.
*/
GIT_EXTERN(void) gitrp_reset(git_revpool *pool);
/**
* Mark an object to start traversal from.
* @param pool the pool being used for the traversal.
* @param commit the commit to start from.
*/
GIT_EXTERN(int) gitrp_push(git_revpool *pool, git_commit *commit);
/**
* Mark a commit (and its ancestors) uninteresting for the output.
* @param pool the pool being used for the traversal.
* @param commit the commit that will be ignored during the traversal
*/
GIT_EXTERN(int) gitrp_hide(git_revpool *pool, git_commit *commit);
/**
* Get the next commit from the revision traversal.
* @param pool the pool to pop the commit from.
* @return next commit; NULL if there is no more output.
*/
GIT_EXTERN(git_commit *) gitrp_next(git_revpool *pool);
/**
* Change the sorting mode when iterating through the
* revision pool's contents.
* @param pool the pool being used for the traversal.
* @param sort_mode combination of GIT_RPSORT_XXX flags
*/
GIT_EXTERN(void) gitrp_sorting(git_revpool *pool, unsigned int sort_mode);
/**
* Free a revwalk previously allocated.
* @param pool traversal handle to close. If NULL nothing occurs.
*/
GIT_EXTERN(void) gitrp_free(git_revpool *pool);
/** @} */
GIT_END_DECL
#endif