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ref-filter: add 'ref-filter.h'

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This is step one of creating a common library for 'for-each-ref',
'branch -l' and 'tag -l'. This creates a header file with the
functions and data structures that ref-filter will provide.
We move the data structures created in for-each-ref to this header
file.

Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Karthik Nayak
2015-06-14 01:07:26 +05:30
committed by Junio C Hamano
parent 73079d21ec
commit 69b1cf91e5
2 changed files with 67 additions and 40 deletions
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41
builtin/for-each-ref.c
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@ -10,49 +10,10 @@
#include "parse-options.h" #include "parse-options.h"
#include "remote.h" #include "remote.h"
#include "color.h" #include "color.h"
#include "ref-filter.h"
/* Quoting styles */
#define QUOTE_NONE 0
#define QUOTE_SHELL 1
#define QUOTE_PERL 2
#define QUOTE_PYTHON 4
#define QUOTE_TCL 8
typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type; typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
struct atom_value {
const char *s;
unsigned long ul; /* used for sorting when not FIELD_STR */
};
struct ref_sort {
struct ref_sort *next;
int atom; /* index into used_atom array */
unsigned reverse : 1;
};
struct ref_array_item {
unsigned char objectname[20];
int flag;
const char *symref;
struct atom_value *value;
char *refname;
};
struct ref_array {
int nr, alloc;
struct ref_array_item **items;
};
struct ref_filter {
const char **name_patterns;
};
struct ref_filter_cbdata {
struct ref_array array;
struct ref_filter filter;
};
static struct { static struct {
const char *name; const char *name;
cmp_type cmp_type; cmp_type cmp_type;

66
ref-filter.h Normal file
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@ -0,0 +1,66 @@
#ifndef REF_FILTER_H
#define REF_FILTER_H
#include "sha1-array.h"
#include "refs.h"
#include "commit.h"
#include "parse-options.h"
/* Quoting styles */
#define QUOTE_NONE 0
#define QUOTE_SHELL 1
#define QUOTE_PERL 2
#define QUOTE_PYTHON 4
#define QUOTE_TCL 8
struct atom_value {
const char *s;
unsigned long ul; /* used for sorting when not FIELD_STR */
};
struct ref_sorting {
struct ref_sorting *next;
int atom; /* index into used_atom array (internal) */
unsigned reverse : 1;
};
struct ref_array_item {
unsigned char objectname[20];
int flag;
const char *symref;
struct atom_value *value;
char *refname;
};
struct ref_array {
int nr, alloc;
struct ref_array_item **items;
};
struct ref_filter {
const char **name_patterns;
};
struct ref_filter_cbdata {
struct ref_array array;
struct ref_filter filter;
};
/* Callback function for for_each_*ref(). This filters the refs based on the filters set */
int ref_filter_handler(const char *refname, const struct object_id *oid, int flag, void *cb_data);
/* Clear all memory allocated to ref_array */
void ref_array_clear(struct ref_array *array);
/* Parse format string and sort specifiers */
int parse_ref_filter_atom(const char *atom, const char *ep);
/* Used to verify if the given format is correct and to parse out the used atoms */
int verify_ref_format(const char *format);
/* Sort the given ref_array as per the ref_sorting provided */
void ref_array_sort(struct ref_sorting *sort, struct ref_array *array);
/* Print the ref using the given format and quote_style */
void show_ref_array_item(struct ref_array_item *info, const char *format, int quote_style);
/* Callback function for parsing the sort option */
int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset);
/* Default sort option based on refname */
struct ref_sorting *ref_default_sorting(void);
#endif /* REF_FILTER_H */