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Add some git_otype string conversion and testing routines

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Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Ramsay Jones 2008-12-10 18:31:28 +00:00 committed by Shawn O. Pearce
parent b3be0fc756
commit 7b6e8067ec
3 changed files with 132 additions and 0 deletions
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28
src/git/odb.h
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@ -110,6 +110,34 @@ GIT_INLINE(void) git_obj_close(git_obj *obj)
obj->data = NULL;
}
/**
* Convert an object type to it's string representation.
*
* The result is a pointer to a string in static memory and
* should not be free()'ed.
*
* @param type object type to convert.
* @return the corresponding string representation.
*/
GIT_EXTERN(const char *) git_obj_type_to_string(git_otype type);
/**
* Convert a string object type representation to it's git_otype.
*
* @param str the string to convert.
* @return the corresponding git_otype.
*/
GIT_EXTERN(git_otype) git_obj_string_to_type(const char *str);
/**
* Determine if the given git_otype is a valid loose object type.
*
* @param type object type to test.
* @return true if the type represents a valid loose object type,
* false otherwise.
*/
GIT_EXTERN(int) git_obj__loose_object_type(git_otype type);
/** @} */
GIT_END_DECL
#endif

54
src/odb.c
View File

@ -24,6 +24,7 @@
*/
#include "git/odb.h"
#include "util.h"
struct git_odb {
/** Path to the "objects" directory. */
@ -33,6 +34,48 @@ struct git_odb {
git_odb **alternates;
};
static struct {
const char *str; /* type name string */
int loose; /* valid loose object type flag */
} obj_type_table [] = {
{ "", 0 }, /* 0 = GIT_OBJ__EXT1 */
{ "commit", 1 }, /* 1 = GIT_OBJ_COMMIT */
{ "tree", 1 }, /* 2 = GIT_OBJ_TREE */
{ "blob", 1 }, /* 3 = GIT_OBJ_BLOB */
{ "tag", 1 }, /* 4 = GIT_OBJ_TAG */
{ "", 0 }, /* 5 = GIT_OBJ__EXT2 */
{ "OFS_DELTA", 0 }, /* 6 = GIT_OBJ_OFS_DELTA */
{ "REF_DELTA", 0 } /* 7 = GIT_OBJ_REF_DELTA */
};
const char *git_obj_type_to_string(git_otype type)
{
if (type < 0 || type >= ARRAY_SIZE(obj_type_table))
return "";
return obj_type_table[type].str;
}
git_otype git_obj_string_to_type(const char *str)
{
int i;
if (!str || !*str)
return GIT_OBJ_BAD;
for (i = 0; i < ARRAY_SIZE(obj_type_table); i++)
if (!strcmp(str, obj_type_table[i].str))
return (git_otype) i;
return GIT_OBJ_BAD;
}
int git_obj__loose_object_type(git_otype type)
{
if (type < 0 || type >= ARRAY_SIZE(obj_type_table))
return 0;
return obj_type_table[type].loose;
}
static int open_alternates(git_odb *db)
{
unsigned n = 0;
@ -95,3 +138,14 @@ attempt:
out->data = NULL;
return GIT_ENOTFOUND;
}
int git_odb__read_loose(git_obj *out, git_odb *db, const git_oid *id)
{
return GIT_SUCCESS;
}
int git_odb__read_packed(git_obj *out, git_odb *db, const git_oid *id)
{
return GIT_SUCCESS;
}

50
tests/t0000-obj.c Normal file
View File

@ -0,0 +1,50 @@
#include "test_lib.h"
#include <git/odb.h>
BEGIN_TEST(type_to_string)
must_be_true(!strcmp(git_obj_type_to_string(GIT_OBJ_BAD),""));
must_be_true(!strcmp(git_obj_type_to_string(GIT_OBJ__EXT1),""));
must_be_true(!strcmp(git_obj_type_to_string(GIT_OBJ_COMMIT),"commit"));
must_be_true(!strcmp(git_obj_type_to_string(GIT_OBJ_TREE),"tree"));
must_be_true(!strcmp(git_obj_type_to_string(GIT_OBJ_BLOB),"blob"));
must_be_true(!strcmp(git_obj_type_to_string(GIT_OBJ_TAG),"tag"));
must_be_true(!strcmp(git_obj_type_to_string(GIT_OBJ__EXT2),""));
must_be_true(!strcmp(git_obj_type_to_string(GIT_OBJ_OFS_DELTA),"OFS_DELTA"));
must_be_true(!strcmp(git_obj_type_to_string(GIT_OBJ_REF_DELTA),"REF_DELTA"));
must_be_true(!strcmp(git_obj_type_to_string(-2),""));
must_be_true(!strcmp(git_obj_type_to_string(8),""));
must_be_true(!strcmp(git_obj_type_to_string(1234),""));
END_TEST
BEGIN_TEST(string_to_type)
must_be_true(git_obj_string_to_type(NULL) == GIT_OBJ_BAD);
must_be_true(git_obj_string_to_type("") == GIT_OBJ_BAD);
must_be_true(git_obj_string_to_type("commit") == GIT_OBJ_COMMIT);
must_be_true(git_obj_string_to_type("tree") == GIT_OBJ_TREE);
must_be_true(git_obj_string_to_type("blob") == GIT_OBJ_BLOB);
must_be_true(git_obj_string_to_type("tag") == GIT_OBJ_TAG);
must_be_true(git_obj_string_to_type("OFS_DELTA") == GIT_OBJ_OFS_DELTA);
must_be_true(git_obj_string_to_type("REF_DELTA") == GIT_OBJ_REF_DELTA);
must_be_true(git_obj_string_to_type("CoMmIt") == GIT_OBJ_BAD);
must_be_true(git_obj_string_to_type("hohoho") == GIT_OBJ_BAD);
END_TEST
BEGIN_TEST(loose_object)
must_be_true(git_obj__loose_object_type(GIT_OBJ_BAD) == 0);
must_be_true(git_obj__loose_object_type(GIT_OBJ__EXT1) == 0);
must_be_true(git_obj__loose_object_type(GIT_OBJ_COMMIT) == 1);
must_be_true(git_obj__loose_object_type(GIT_OBJ_TREE) == 1);
must_be_true(git_obj__loose_object_type(GIT_OBJ_BLOB) == 1);
must_be_true(git_obj__loose_object_type(GIT_OBJ_TAG) == 1);
must_be_true(git_obj__loose_object_type(GIT_OBJ__EXT2) == 0);
must_be_true(git_obj__loose_object_type(GIT_OBJ_OFS_DELTA) == 0);
must_be_true(git_obj__loose_object_type(GIT_OBJ_REF_DELTA) == 0);
must_be_true(git_obj__loose_object_type(-2) == 0);
must_be_true(git_obj__loose_object_type(8) == 0);
must_be_true(git_obj__loose_object_type(1234) == 0);
END_TEST