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Merge pull request #1772 from libgit2/config-iter

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Configuration iterators redux
This commit is contained in:
Vicent Martí 2013-08-28 06:04:51 -07:00
commit b8b22d774e
13 changed files with 681 additions and 208 deletions
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74
include/git2/config.h
View File

@ -61,6 +61,7 @@ typedef struct {
} git_config_entry;
typedef int (*git_config_foreach_cb)(const git_config_entry *, void *);
typedef struct git_config_iterator git_config_iterator;
typedef enum {
GIT_CVAR_FALSE = 0,
@ -327,7 +328,7 @@ GIT_EXTERN(int) git_config_get_bool(int *out, const git_config *cfg, const char
GIT_EXTERN(int) git_config_get_string(const char **out, const git_config *cfg, const char *name);
/**
* Get each value of a multivar.
* Get each value of a multivar in a foreach callback
*
* The callback will be called on each variable found
*
@ -338,7 +339,34 @@ GIT_EXTERN(int) git_config_get_string(const char **out, const git_config *cfg, c
* @param callback the function to be called on each value of the variable
* @param payload opaque pointer to pass to the callback
*/
GIT_EXTERN(int) git_config_get_multivar(const git_config *cfg, const char *name, const char *regexp, git_config_foreach_cb callback, void *payload);
GIT_EXTERN(int) git_config_get_multivar_foreach(const git_config *cfg, const char *name, const char *regexp, git_config_foreach_cb callback, void *payload);
/**
* Get each value of a multivar
*
* @param out pointer to store the iterator
* @param cfg where to look for the variable
* @param name the variable's name
* @param regexp regular expression to filter which variables we're
* interested in. Use NULL to indicate all
*/
GIT_EXTERN(int) git_config_multivar_iterator_new(git_config_iterator **out, const git_config *cfg, const char *name, const char *regexp);
/**
* Return the current entry and advance the iterator
*
* @param entry pointer to store the entry
* @param iter the iterator
* @return 0 or an error code. GIT_ITEROVER if the iteration has completed
*/
GIT_EXTERN(int) git_config_next(git_config_entry **entry, git_config_iterator *iter);
/**
* Free a config iterator
*
* @param iter the iterator to free
*/
GIT_EXTERN(void) git_config_iterator_free(git_config_iterator *iter);
/**
* Set the value of an integer config variable in the config file
@ -424,6 +452,29 @@ GIT_EXTERN(int) git_config_foreach(
git_config_foreach_cb callback,
void *payload);
/**
* Iterate over all the config variables
*
* Use `git_config_next` to advance the iteration and
* `git_config_iterator_free` when done.
*
* @param out pointer to store the iterator
* @param cfg where to ge the variables from
*/
GIT_EXTERN(int) git_config_iterator_new(git_config_iterator **out, const git_config *cfg);
/**
* Iterate over all the config variables whose name matches a pattern
*
* Use `git_config_next` to advance the iteration and
* `git_config_iterator_free` when done.
*
* @param out pointer to store the iterator
* @param cfg where to ge the variables from
* @param regexp regular expression to match the names
*/
GIT_EXTERN(int) git_config_iterator_glob_new(git_config_iterator **out, const git_config *cfg, const char *regexp);
/**
* Perform an operation on each config variable matching a regular expression.
*
@ -535,6 +586,25 @@ GIT_EXTERN(int) git_config_parse_int32(int32_t *out, const char *value);
GIT_EXTERN(int) git_config_parse_int64(int64_t *out, const char *value);
/**
* Perform an operation on each config variable in given config backend
* matching a regular expression.
*
* This behaviors like `git_config_foreach_match` except instead of all config
* entries it just enumerates through the given backend entry.
*
* @param backend where to get the variables from
* @param regexp regular expression to match against config names (can be NULL)
* @param callback the function to call on each variable
* @param payload the data to pass to the callback
*/
GIT_EXTERN(int) git_config_backend_foreach_match(
git_config_backend *backend,
const char *regexp,
int (*fn)(const git_config_entry *, void *),
void *data);
/** @} */
GIT_END_DECL
#endif

30
include/git2/sys/config.h
View File

@ -20,6 +20,33 @@
*/
GIT_BEGIN_DECL
/**
* Every iterator must have this struct as its first element, so the
* API can talk to it. You'd define your iterator as
*
* struct my_iterator {
* git_config_iterator parent;
* ...
* }
*
* and assign `iter->parent.backend` to your `git_config_backend`.
*/
struct git_config_iterator {
git_config_backend *backend;
unsigned int flags;
/**
* Return the current entry and advance the iterator. The
* memory belongs to the library.
*/
int (*next)(git_config_entry **entry, git_config_iterator *iter);
/**
* Free the iterator
*/
void (*free)(git_config_iterator *iter);
};
/**
* Generic backend that implements the interface to
* access a configuration file
@ -31,11 +58,10 @@ struct git_config_backend {
/* Open means open the file/database and parse if necessary */
int (*open)(struct git_config_backend *, git_config_level_t level);
int (*get)(const struct git_config_backend *, const char *key, const git_config_entry **entry);
int (*get_multivar)(struct git_config_backend *, const char *key, const char *regexp, git_config_foreach_cb callback, void *payload);
int (*set)(struct git_config_backend *, const char *key, const char *value);
int (*set_multivar)(git_config_backend *cfg, const char *name, const char *regexp, const char *value);
int (*del)(struct git_config_backend *, const char *key);
int (*foreach)(struct git_config_backend *, const char *, git_config_foreach_cb callback, void *payload);
int (*iterator)(git_config_iterator **, struct git_config_backend *);
int (*refresh)(struct git_config_backend *);
void (*free)(struct git_config_backend *);
};

394
src/config.c
View File

@ -315,30 +315,241 @@ int git_config_refresh(git_config *cfg)
* Loop over all the variables
*/
typedef struct {
git_config_iterator parent;
git_config_iterator *current;
const git_config *cfg;
regex_t regex;
int has_regex;
size_t i;
} all_iter;
static int find_next_backend(size_t *out, const git_config *cfg, size_t i)
{
file_internal *internal;
for (; i > 0; --i) {
internal = git_vector_get(&cfg->files, i - 1);
if (!internal || !internal->file)
continue;
*out = i;
return 0;
}
return -1;
}
static int all_iter_next(git_config_entry **entry, git_config_iterator *_iter)
{
all_iter *iter = (all_iter *) _iter;
file_internal *internal;
git_config_backend *backend;
size_t i;
int error = 0;
if (iter->current != NULL &&
(error = iter->current->next(entry, iter->current)) == 0) {
return 0;
}
if (error < 0 && error != GIT_ITEROVER)
return error;
do {
if (find_next_backend(&i, iter->cfg, iter->i) < 0)
return GIT_ITEROVER;
internal = git_vector_get(&iter->cfg->files, i - 1);
backend = internal->file;
iter->i = i - 1;
if (iter->current)
iter->current->free(iter->current);
iter->current = NULL;
error = backend->iterator(&iter->current, backend);
if (error == GIT_ENOTFOUND)
continue;
if (error < 0)
return error;
error = iter->current->next(entry, iter->current);
/* If this backend is empty, then keep going */
if (error == GIT_ITEROVER)
continue;
return error;
} while(1);
return GIT_ITEROVER;
}
static int all_iter_glob_next(git_config_entry **entry, git_config_iterator *_iter)
{
int error;
all_iter *iter = (all_iter *) _iter;
/*
* We use the "normal" function to grab the next one across
* backends and then apply the regex
*/
while ((error = all_iter_next(entry, _iter)) == 0) {
/* skip non-matching keys if regexp was provided */
if (regexec(&iter->regex, (*entry)->name, 0, NULL, 0) != 0)
continue;
/* and simply return if we like the entry's name */
return 0;
}
return error;
}
static void all_iter_free(git_config_iterator *_iter)
{
all_iter *iter = (all_iter *) _iter;
if (iter->current)
iter->current->free(iter->current);
git__free(iter);
}
static void all_iter_glob_free(git_config_iterator *_iter)
{
all_iter *iter = (all_iter *) _iter;
regfree(&iter->regex);
all_iter_free(_iter);
}
int git_config_iterator_new(git_config_iterator **out, const git_config *cfg)
{
all_iter *iter;
iter = git__calloc(1, sizeof(all_iter));
GITERR_CHECK_ALLOC(iter);
iter->parent.free = all_iter_free;
iter->parent.next = all_iter_next;
iter->i = cfg->files.length;
iter->cfg = cfg;
*out = (git_config_iterator *) iter;
return 0;
}
int git_config_iterator_glob_new(git_config_iterator **out, const git_config *cfg, const char *regexp)
{
all_iter *iter;
int result;
if (regexp == NULL)
return git_config_iterator_new(out, cfg);
iter = git__calloc(1, sizeof(all_iter));
GITERR_CHECK_ALLOC(iter);
if ((result = regcomp(&iter->regex, regexp, REG_EXTENDED)) < 0) {
giterr_set_regex(&iter->regex, result);
regfree(&iter->regex);
return -1;
}
iter->parent.next = all_iter_glob_next;
iter->parent.free = all_iter_glob_free;
iter->i = cfg->files.length;
iter->cfg = cfg;
*out = (git_config_iterator *) iter;
return 0;
}
int git_config_foreach(
const git_config *cfg, git_config_foreach_cb cb, void *payload)
{
return git_config_foreach_match(cfg, NULL, cb, payload);
}
int git_config_backend_foreach_match(
git_config_backend *backend,
const char *regexp,
int (*fn)(const git_config_entry *, void *),
void *data)
{
git_config_entry *entry;
git_config_iterator* iter;
regex_t regex;
int result = 0;
if (regexp != NULL) {
if ((result = regcomp(&regex, regexp, REG_EXTENDED)) < 0) {
giterr_set_regex(&regex, result);
regfree(&regex);
return -1;
}
}
if ((result = backend->iterator(&iter, backend)) < 0) {
iter = NULL;
return -1;
}
while(!(iter->next(&entry, iter) < 0)) {
/* skip non-matching keys if regexp was provided */
if (regexp && regexec(&regex, entry->name, 0, NULL, 0) != 0)
continue;
/* abort iterator on non-zero return value */
if (fn(entry, data)) {
giterr_clear();
result = GIT_EUSER;
goto cleanup;
}
}
cleanup:
if (regexp != NULL)
regfree(&regex);
iter->free(iter);
return result;
}
int git_config_foreach_match(
const git_config *cfg,
const char *regexp,
git_config_foreach_cb cb,
void *payload)
{
int ret = 0;
size_t i;
file_internal *internal;
git_config_backend *file;
int error;
git_config_iterator *iter;
git_config_entry *entry;
for (i = 0; i < cfg->files.length && ret == 0; ++i) {
internal = git_vector_get(&cfg->files, i);
file = internal->file;
ret = file->foreach(file, regexp, cb, payload);
if ((error = git_config_iterator_glob_new(&iter, cfg, regexp)) < 0)
return error;
while ((error = git_config_next(&entry, iter)) == 0) {
if(cb(entry, payload)) {
giterr_clear();
error = GIT_EUSER;
break;
}
}
return ret;
git_config_iterator_free(iter);
if (error == GIT_ITEROVER)
error = 0;
return error;
}
/**************
@ -528,32 +739,114 @@ int git_config_get_entry(const git_config_entry **out, const git_config *cfg, co
return config_error_notfound(name);
}
int git_config_get_multivar(
int git_config_get_multivar_foreach(
const git_config *cfg, const char *name, const char *regexp,
git_config_foreach_cb cb, void *payload)
{
file_internal *internal;
git_config_backend *file;
int ret = GIT_ENOTFOUND, err;
size_t i;
int err, found;
git_config_iterator *iter;
git_config_entry *entry;
/*
* This loop runs the "wrong" way 'round because we need to
* look at every value from the most general to most specific
*/
for (i = cfg->files.length; i > 0; --i) {
internal = git_vector_get(&cfg->files, i - 1);
if (!internal || !internal->file)
continue;
file = internal->file;
if ((err = git_config_multivar_iterator_new(&iter, cfg, name, regexp)) < 0)
return err;
if (!(err = file->get_multivar(file, name, regexp, cb, payload)))
ret = 0;
else if (err != GIT_ENOTFOUND)
return err;
found = 0;
while ((err = iter->next(&entry, iter)) == 0) {
found = 1;
if(cb(entry, payload)) {
iter->free(iter);
return GIT_EUSER;
}
}
return (ret == GIT_ENOTFOUND) ? config_error_notfound(name) : 0;
iter->free(iter);
if (err == GIT_ITEROVER)
err = 0;
if (found == 0 && err == 0)
err = config_error_notfound(name);
return err;
}
typedef struct {
git_config_iterator parent;
git_config_iterator *iter;
char *name;
regex_t regex;
int have_regex;
} multivar_iter;
static int multivar_iter_next(git_config_entry **entry, git_config_iterator *_iter)
{
multivar_iter *iter = (multivar_iter *) _iter;
int error = 0;
while ((error = iter->iter->next(entry, iter->iter)) == 0) {
if (git__strcmp(iter->name, (*entry)->name))
continue;
if (!iter->have_regex)
return 0;
if (regexec(&iter->regex, (*entry)->value, 0, NULL, 0) == 0)
return 0;
}
return error;
}
void multivar_iter_free(git_config_iterator *_iter)
{
multivar_iter *iter = (multivar_iter *) _iter;
iter->iter->free(iter->iter);
git__free(iter->name);
regfree(&iter->regex);
git__free(iter);
}
int git_config_multivar_iterator_new(git_config_iterator **out, const git_config *cfg, const char *name, const char *regexp)
{
multivar_iter *iter = NULL;
git_config_iterator *inner = NULL;
int error;
if ((error = git_config_iterator_new(&inner, cfg)) < 0)
return error;
iter = git__calloc(1, sizeof(multivar_iter));
GITERR_CHECK_ALLOC(iter);
if ((error = git_config__normalize_name(name, &iter->name)) < 0)
goto on_error;
if (regexp != NULL) {
error = regcomp(&iter->regex, regexp, REG_EXTENDED);
if (error < 0) {
giterr_set_regex(&iter->regex, error);
error = -1;
regfree(&iter->regex);
goto on_error;
}
iter->have_regex = 1;
}
iter->iter = inner;
iter->parent.free = multivar_iter_free;
iter->parent.next = multivar_iter_next;
*out = (git_config_iterator *) iter;
return 0;
on_error:
inner->free(inner);
git__free(iter);
return error;
}
int git_config_set_multivar(git_config *cfg, const char *name, const char *regexp, const char *value)
@ -569,6 +862,16 @@ int git_config_set_multivar(git_config *cfg, const char *name, const char *regex
return file->set_multivar(file, name, regexp, value);
}
int git_config_next(git_config_entry **entry, git_config_iterator *iter)
{
return iter->next(entry, iter);
}
void git_config_iterator_free(git_config_iterator *iter)
{
iter->free(iter);
}
static int git_config__find_file_to_path(
char *out, size_t outlen, int (*find)(git_buf *buf))
{
@ -812,6 +1115,41 @@ fail_parse:
return -1;
}
/* Take something the user gave us and make it nice for our hash function */
int git_config__normalize_name(const char *in, char **out)
{
char *name, *fdot, *ldot;
assert(in && out);
name = git__strdup(in);
GITERR_CHECK_ALLOC(name);
fdot = strchr(name, '.');
ldot = strrchr(name, '.');
if (fdot == NULL || fdot == name || ldot == NULL || !ldot[1])
goto invalid;
/* Validate and downcase up to first dot and after last dot */
if (git_config_file_normalize_section(name, fdot) < 0 ||
git_config_file_normalize_section(ldot + 1, NULL) < 0)
goto invalid;
/* If there is a middle range, make sure it doesn't have newlines */
while (fdot < ldot)
if (*fdot++ == '\n')
goto invalid;
*out = name;
return 0;
invalid:
git__free(name);
giterr_set(GITERR_CONFIG, "Invalid config item name '%s'", in);
return GIT_EINVALIDSPEC;
}
struct rename_data {
git_config *config;
git_buf *name;

3
src/config.h
View File

@ -49,4 +49,7 @@ extern int git_config_rename_section(
*/
extern int git_config_file__ondisk(struct git_config_backend **out, const char *path);
extern int git_config__normalize_name(const char *in, char **out);
#endif

194
src/config_file.c
View File

@ -27,6 +27,13 @@ typedef struct cvar_t {
git_config_entry *entry;
} cvar_t;
typedef struct git_config_file_iter {
git_config_iterator parent;
git_strmap_iter iter;
cvar_t* next_var;
} git_config_file_iter;
#define CVAR_LIST_HEAD(list) ((list)->head)
#define CVAR_LIST_TAIL(list) ((list)->tail)
@ -129,41 +136,6 @@ int git_config_file_normalize_section(char *start, char *end)
return 0;
}
/* Take something the user gave us and make it nice for our hash function */
static int normalize_name(const char *in, char **out)
{
char *name, *fdot, *ldot;
assert(in && out);
name = git__strdup(in);
GITERR_CHECK_ALLOC(name);
fdot = strchr(name, '.');
ldot = strrchr(name, '.');
if (fdot == NULL || fdot == name || ldot == NULL || !ldot[1])
goto invalid;
/* Validate and downcase up to first dot and after last dot */
if (git_config_file_normalize_section(name, fdot) < 0 ||
git_config_file_normalize_section(ldot + 1, NULL) < 0)
goto invalid;
/* If there is a middle range, make sure it doesn't have newlines */
while (fdot < ldot)
if (*fdot++ == '\n')
goto invalid;
*out = name;
return 0;
invalid:
git__free(name);
giterr_set(GITERR_CONFIG, "Invalid config item name '%s'", in);
return GIT_EINVALIDSPEC;
}
static void free_vars(git_strmap *values)
{
cvar_t *var = NULL;
@ -247,51 +219,56 @@ static void backend_free(git_config_backend *_backend)
git__free(backend);
}
static int file_foreach(
git_config_backend *backend,
const char *regexp,
int (*fn)(const git_config_entry *, void *),
void *data)
static void config_iterator_free(
git_config_iterator* iter)
{
diskfile_backend *b = (diskfile_backend *)backend;
cvar_t *var, *next_var;
const char *key;
regex_t regex;
int result = 0;
git__free(iter);
}
if (!b->values)
return 0;
static int config_iterator_next(
git_config_entry **entry,
git_config_iterator *iter)
{
git_config_file_iter *it = (git_config_file_iter *) iter;
diskfile_backend *b = (diskfile_backend *) it->parent.backend;
int err = 0;
cvar_t * var;
if (regexp != NULL) {
if ((result = regcomp(&regex, regexp, REG_EXTENDED)) < 0) {
giterr_set_regex(&regex, result);
regfree(&regex);
return -1;
}
if (it->next_var == NULL) {
err = git_strmap_next((void**) &var, &(it->iter), b->values);
} else {
var = it->next_var;
}
git_strmap_foreach(b->values, key, var,
for (; var != NULL; var = next_var) {
next_var = CVAR_LIST_NEXT(var);
if (err < 0) {
it->next_var = NULL;
return err;
}
/* skip non-matching keys if regexp was provided */
if (regexp && regexec(&regex, key, 0, NULL, 0) != 0)
continue;
*entry = var->entry;
it->next_var = CVAR_LIST_NEXT(var);
/* abort iterator on non-zero return value */
if (fn(var->entry, data)) {
giterr_clear();
result = GIT_EUSER;
goto cleanup;
}
}
);
return 0;
}
cleanup:
if (regexp != NULL)
regfree(&regex);
static int config_iterator_new(
git_config_iterator **iter,
struct git_config_backend* backend)
{
diskfile_backend *b = (diskfile_backend *)backend;
git_config_file_iter *it = git__calloc(1, sizeof(git_config_file_iter));
return result;
GITERR_CHECK_ALLOC(it);
it->parent.backend = backend;
it->iter = git_strmap_begin(b->values);
it->next_var = NULL;
it->parent.next = config_iterator_next;
it->parent.free = config_iterator_free;
*iter = (git_config_iterator *) it;
return 0;
}
static int config_set(git_config_backend *cfg, const char *name, const char *value)
@ -302,7 +279,7 @@ static int config_set(git_config_backend *cfg, const char *name, const char *val
khiter_t pos;
int rval, ret;
if ((rval = normalize_name(name, &key)) < 0)
if ((rval = git_config__normalize_name(name, &key)) < 0)
return rval;
/*
@ -385,7 +362,7 @@ static int config_get(const git_config_backend *cfg, const char *name, const git
khiter_t pos;
int error;
if ((error = normalize_name(name, &key)) < 0)
if ((error = git_config__normalize_name(name, &key)) < 0)
return error;
pos = git_strmap_lookup_index(b->values, key);
@ -400,70 +377,6 @@ static int config_get(const git_config_backend *cfg, const char *name, const git
return 0;
}
static int config_get_multivar(
git_config_backend *cfg,
const char *name,
const char *regex_str,
int (*fn)(const git_config_entry *, void *),
void *data)
{
cvar_t *var;
diskfile_backend *b = (diskfile_backend *)cfg;
char *key;
khiter_t pos;
int error;
if ((error = normalize_name(name, &key)) < 0)
return error;
pos = git_strmap_lookup_index(b->values, key);
git__free(key);
if (!git_strmap_valid_index(b->values, pos))
return GIT_ENOTFOUND;
var = git_strmap_value_at(b->values, pos);
if (regex_str != NULL) {
regex_t regex;
int result;
/* regex matching; build the regex */
result = regcomp(&regex, regex_str, REG_EXTENDED);
if (result < 0) {
giterr_set_regex(&regex, result);
regfree(&regex);
return -1;
}
/* and throw the callback only on the variables that
* match the regex */
do {
if (regexec(&regex, var->entry->value, 0, NULL, 0) == 0) {
/* early termination by the user is not an error;
* just break and return successfully */
if (fn(var->entry, data) < 0)
break;
}
var = var->next;
} while (var != NULL);
regfree(&regex);
} else {
/* no regex; go through all the variables */
do {
/* early termination by the user is not an error;
* just break and return successfully */
if (fn(var->entry, data) < 0)
break;
var = var->next;
} while (var != NULL);
}
return 0;
}
static int config_set_multivar(
git_config_backend *cfg, const char *name, const char *regexp, const char *value)
{
@ -477,7 +390,7 @@ static int config_set_multivar(
assert(regexp);
if ((result = normalize_name(name, &key)) < 0)
if ((result = git_config__normalize_name(name, &key)) < 0)
return result;
pos = git_strmap_lookup_index(b->values, key);
@ -550,7 +463,7 @@ static int config_delete(git_config_backend *cfg, const char *name)
int result;
khiter_t pos;
if ((result = normalize_name(name, &key)) < 0)
if ((result = git_config__normalize_name(name, &key)) < 0)
return result;
pos = git_strmap_lookup_index(b->values, key);
@ -590,11 +503,10 @@ int git_config_file__ondisk(git_config_backend **out, const char *path)
backend->parent.open = config_open;
backend->parent.get = config_get;
backend->parent.get_multivar = config_get_multivar;
backend->parent.set = config_set;
backend->parent.set_multivar = config_set_multivar;
backend->parent.del = config_delete;
backend->parent.foreach = file_foreach;
backend->parent.iterator = config_iterator_new;
backend->parent.refresh = config_refresh;
backend->parent.free = backend_free;

4
src/config_file.h
View File

@ -42,7 +42,7 @@ GIT_INLINE(int) git_config_file_foreach(
int (*fn)(const git_config_entry *entry, void *data),
void *data)
{
return cfg->foreach(cfg, NULL, fn, data);
return git_config_backend_foreach_match(cfg, NULL, fn, data);
}
GIT_INLINE(int) git_config_file_foreach_match(
@ -51,7 +51,7 @@ GIT_INLINE(int) git_config_file_foreach_match(
int (*fn)(const git_config_entry *entry, void *data),
void *data)
{
return cfg->foreach(cfg, regexp, fn, data);
return git_config_backend_foreach_match(cfg, regexp, fn, data);
}
extern int git_config_file_normalize_section(char *start, char *end);

4
src/diff_driver.c
View File

@ -187,7 +187,7 @@ static int git_diff_driver_load(
git_buf_truncate(&name, namelen + strlen("diff.."));
git_buf_put(&name, "xfuncname", strlen("xfuncname"));
if ((error = git_config_get_multivar(
if ((error = git_config_get_multivar_foreach(
cfg, name.ptr, NULL, diff_driver_xfuncname, drv)) < 0) {
if (error != GIT_ENOTFOUND)
goto done;
@ -196,7 +196,7 @@ static int git_diff_driver_load(
git_buf_truncate(&name, namelen + strlen("diff.."));
git_buf_put(&name, "funcname", strlen("funcname"));
if ((error = git_config_get_multivar(
if ((error = git_config_get_multivar_foreach(
cfg, name.ptr, NULL, diff_driver_funcname, drv)) < 0) {
if (error != GIT_ENOTFOUND)
goto done;

2
src/remote.c
View File

@ -242,7 +242,7 @@ static int get_optional_config(
return -1;
if (cb != NULL)
error = git_config_get_multivar(config, key, NULL, cb, payload);
error = git_config_get_multivar_foreach(config, key, NULL, cb, payload);
else
error = git_config_get_string(payload, config, key);

32
src/strmap.c Normal file
View File

@ -0,0 +1,32 @@
/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "strmap.h"
int git_strmap_next(
void **data,
git_strmap_iter* iter,
git_strmap *map)
{
if (!map)
return GIT_ERROR;
while (*iter != git_strmap_end(map)) {
if (!(git_strmap_has_data(map, *iter))) {
++(*iter);
continue;
}
*data = git_strmap_value_at(map, *iter);
++(*iter);
return GIT_OK;
}
return GIT_ITEROVER;
}

11
src/strmap.h
View File

@ -17,6 +17,7 @@
__KHASH_TYPE(str, const char *, void *);
typedef khash_t(str) git_strmap;
typedef khiter_t git_strmap_iter;
#define GIT__USE_STRMAP \
__KHASH_IMPL(str, static kh_inline, const char *, void *, 1, kh_str_hash_func, kh_str_hash_equal)
@ -31,7 +32,9 @@ typedef khash_t(str) git_strmap;
#define git_strmap_valid_index(h, idx) (idx != kh_end(h))
#define git_strmap_exists(h, k) (kh_get(str, h, k) != kh_end(h))
#define git_strmap_has_data(h, idx) kh_exist(h, idx)
#define git_strmap_key(h, idx) kh_key(h, idx)
#define git_strmap_value_at(h, idx) kh_val(h, idx)
#define git_strmap_set_value_at(h, idx, v) kh_val(h, idx) = v
#define git_strmap_delete_at(h, idx) kh_del(str, h, idx)
@ -61,4 +64,12 @@ typedef khash_t(str) git_strmap;
#define git_strmap_foreach kh_foreach
#define git_strmap_foreach_value kh_foreach_value
#define git_strmap_begin kh_begin
#define git_strmap_end kh_end
int git_strmap_next(
void **data,
git_strmap_iter* iter,
git_strmap *map);
#endif

76
tests-clar/config/multivar.c
View File

@ -46,60 +46,78 @@ static int cb(const git_config_entry *entry, void *data)
return 0;
}
static void check_get_multivar(
static void check_get_multivar_foreach(
git_config *cfg, int expected, int expected_patterned)
{
int n = 0;
if (expected > 0) {
cl_git_pass(git_config_get_multivar(cfg, _name, NULL, cb, &n));
cl_git_pass(git_config_get_multivar_foreach(cfg, _name, NULL, cb, &n));
cl_assert_equal_i(expected, n);
} else {
cl_assert_equal_i(GIT_ENOTFOUND,
git_config_get_multivar(cfg, _name, NULL, cb, &n));
git_config_get_multivar_foreach(cfg, _name, NULL, cb, &n));
}
n = 0;
if (expected_patterned > 0) {
cl_git_pass(git_config_get_multivar(cfg, _name, "example", cb, &n));
cl_git_pass(git_config_get_multivar_foreach(cfg, _name, "example", cb, &n));
cl_assert_equal_i(expected_patterned, n);
} else {
cl_assert_equal_i(GIT_ENOTFOUND,
git_config_get_multivar(cfg, _name, "example", cb, &n));
git_config_get_multivar_foreach(cfg, _name, "example", cb, &n));
}
}
static void check_get_multivar(git_config *cfg, int expected)
{
git_config_iterator *iter;
git_config_entry *entry;
int n = 0;
cl_git_pass(git_config_multivar_iterator_new(&iter, cfg, _name, NULL));
while (git_config_next(&entry, iter) == 0)
n++;
cl_assert_equal_i(expected, n);
git_config_iterator_free(iter);
}
void test_config_multivar__get(void)
{
git_config *cfg;
cl_git_pass(git_config_open_ondisk(&cfg, "config/config11"));
check_get_multivar(cfg, 2, 1);
check_get_multivar_foreach(cfg, 2, 1);
/* add another that has the _name entry */
cl_git_pass(git_config_add_file_ondisk(cfg, "config/config9", GIT_CONFIG_LEVEL_SYSTEM, 1));
check_get_multivar(cfg, 3, 2);
check_get_multivar_foreach(cfg, 3, 2);
/* add another that does not have the _name entry */
cl_git_pass(git_config_add_file_ondisk(cfg, "config/config0", GIT_CONFIG_LEVEL_GLOBAL, 1));
check_get_multivar(cfg, 3, 2);
check_get_multivar_foreach(cfg, 3, 2);
/* add another that does not have the _name entry at the end */
cl_git_pass(git_config_add_file_ondisk(cfg, "config/config1", GIT_CONFIG_LEVEL_APP, 1));
check_get_multivar(cfg, 3, 2);
check_get_multivar_foreach(cfg, 3, 2);
/* drop original file */
cl_git_pass(git_config_add_file_ondisk(cfg, "config/config2", GIT_CONFIG_LEVEL_LOCAL, 1));
check_get_multivar(cfg, 1, 1);
check_get_multivar_foreach(cfg, 1, 1);
/* drop other file with match */
cl_git_pass(git_config_add_file_ondisk(cfg, "config/config3", GIT_CONFIG_LEVEL_SYSTEM, 1));
check_get_multivar(cfg, 0, 0);
check_get_multivar_foreach(cfg, 0, 0);
/* reload original file (add different place in order) */
cl_git_pass(git_config_add_file_ondisk(cfg, "config/config11", GIT_CONFIG_LEVEL_SYSTEM, 1));
check_get_multivar(cfg, 2, 1);
check_get_multivar_foreach(cfg, 2, 1);
check_get_multivar(cfg, 2);
git_config_free(cfg);
}
@ -113,12 +131,12 @@ void test_config_multivar__add(void)
cl_git_pass(git_config_set_multivar(cfg, _name, "nonexistant", "git://git.otherplace.org/libgit2"));
n = 0;
cl_git_pass(git_config_get_multivar(cfg, _name, NULL, cb, &n));
cl_assert(n == 3);
cl_git_pass(git_config_get_multivar_foreach(cfg, _name, NULL, cb, &n));
cl_assert_equal_i(n, 3);
n = 0;
cl_git_pass(git_config_get_multivar(cfg, _name, "otherplace", cb, &n));
cl_assert(n == 1);
cl_git_pass(git_config_get_multivar_foreach(cfg, _name, "otherplace", cb, &n));
cl_assert_equal_i(n, 1);
git_config_free(cfg);
@ -127,12 +145,12 @@ void test_config_multivar__add(void)
cl_git_pass(git_config_open_ondisk(&cfg, "config/config11"));
n = 0;
cl_git_pass(git_config_get_multivar(cfg, _name, NULL, cb, &n));
cl_assert(n == 3);
cl_git_pass(git_config_get_multivar_foreach(cfg, _name, NULL, cb, &n));
cl_assert_equal_i(n, 3);
n = 0;
cl_git_pass(git_config_get_multivar(cfg, _name, "otherplace", cb, &n));
cl_assert(n == 1);
cl_git_pass(git_config_get_multivar_foreach(cfg, _name, "otherplace", cb, &n));
cl_assert_equal_i(n, 1);
git_config_free(cfg);
}
@ -147,8 +165,8 @@ void test_config_multivar__add_new(void)
cl_git_pass(git_config_set_multivar(cfg, var, "", "variable"));
n = 0;
cl_git_pass(git_config_get_multivar(cfg, var, NULL, cb, &n));
cl_assert(n == 1);
cl_git_pass(git_config_get_multivar_foreach(cfg, var, NULL, cb, &n));
cl_assert_equal_i(n, 1);
git_config_free(cfg);
}
@ -161,13 +179,13 @@ void test_config_multivar__replace(void)
cl_git_pass(git_config_open_ondisk(&cfg, "config/config11"));
n = 0;
cl_git_pass(git_config_get_multivar(cfg, _name, NULL, cb, &n));
cl_git_pass(git_config_get_multivar_foreach(cfg, _name, NULL, cb, &n));
cl_assert(n == 2);
cl_git_pass(git_config_set_multivar(cfg, _name, "github", "git://git.otherplace.org/libgit2"));
n = 0;
cl_git_pass(git_config_get_multivar(cfg, _name, NULL, cb, &n));
cl_git_pass(git_config_get_multivar_foreach(cfg, _name, NULL, cb, &n));
cl_assert(n == 2);
git_config_free(cfg);
@ -175,7 +193,7 @@ void test_config_multivar__replace(void)
cl_git_pass(git_config_open_ondisk(&cfg, "config/config11"));
n = 0;
cl_git_pass(git_config_get_multivar(cfg, _name, NULL, cb, &n));
cl_git_pass(git_config_get_multivar_foreach(cfg, _name, NULL, cb, &n));
cl_assert(n == 2);
git_config_free(cfg);
@ -190,16 +208,16 @@ void test_config_multivar__replace_multiple(void)
cl_git_pass(git_config_set_multivar(cfg, _name, "git://", "git://git.otherplace.org/libgit2"));
n = 0;
cl_git_pass(git_config_get_multivar(cfg, _name, "otherplace", cb, &n));
cl_assert(n == 2);
cl_git_pass(git_config_get_multivar_foreach(cfg, _name, "otherplace", cb, &n));
cl_assert_equal_i(n, 2);
git_config_free(cfg);
cl_git_pass(git_config_open_ondisk(&cfg, "config/config11"));
n = 0;
cl_git_pass(git_config_get_multivar(cfg, _name, "otherplace", cb, &n));
cl_assert(n == 2);
cl_git_pass(git_config_get_multivar_foreach(cfg, _name, "otherplace", cb, &n));
cl_assert_equal_i(n, 2);
git_config_free(cfg);
}

63
tests-clar/config/read.c
View File

@ -245,6 +245,37 @@ void test_config_read__foreach(void)
git_config_free(cfg);
}
void test_config_read__iterator(void)
{
git_config *cfg;
git_config_iterator *iter;
git_config_entry *entry;
int count, ret;
cl_git_pass(git_config_new(&cfg));
cl_git_pass(git_config_add_file_ondisk(cfg, cl_fixture("config/config9"),
GIT_CONFIG_LEVEL_SYSTEM, 0));
cl_git_pass(git_config_add_file_ondisk(cfg, cl_fixture("config/config15"),
GIT_CONFIG_LEVEL_GLOBAL, 0));
count = 0;
cl_git_pass(git_config_iterator_new(&iter, cfg));
while ((ret = git_config_next(&entry, iter)) == 0) {
count++;
}
git_config_iterator_free(iter);
cl_assert_equal_i(GIT_ITEROVER, ret);
cl_assert_equal_i(7, count);
count = 3;
cl_git_pass(git_config_iterator_new(&iter, cfg));
git_config_iterator_free(iter);
git_config_free(cfg);
}
static int count_cfg_entries(const git_config_entry *entry, void *payload)
{
int *count = payload;
@ -288,6 +319,38 @@ void test_config_read__foreach_match(void)
git_config_free(cfg);
}
static void check_glob_iter(git_config *cfg, const char *regexp, int expected)
{
git_config_iterator *iter;
git_config_entry *entry;
int count, error;
cl_git_pass(git_config_iterator_glob_new(&iter, cfg, regexp));
count = 0;
while ((error = git_config_next(&entry, iter)) == 0)
count++;
cl_assert_equal_i(GIT_ITEROVER, error);
cl_assert_equal_i(expected, count);
git_config_iterator_free(iter);
}
void test_config_read__iterator_glob(void)
{
git_config *cfg;
cl_git_pass(git_config_open_ondisk(&cfg, cl_fixture("config/config9")));
check_glob_iter(cfg, "core.*", 3);
check_glob_iter(cfg, "remote\\.ab.*", 2);
check_glob_iter(cfg, ".*url$", 2);
check_glob_iter(cfg, ".*dummy.*", 2);
check_glob_iter(cfg, ".*nomatch.*", 0);
git_config_free(cfg);
}
void test_config_read__whitespace_not_required_around_assignment(void)
{
git_config *cfg;

2
tests-clar/config/validkeyname.c
View File

@ -28,7 +28,7 @@ static void assert_invalid_config_key_name(const char *name)
GIT_EINVALIDSPEC);
cl_git_fail_with(git_config_delete_entry(cfg, name),
GIT_EINVALIDSPEC);
cl_git_fail_with(git_config_get_multivar(cfg, name, "*", NULL, NULL),
cl_git_fail_with(git_config_get_multivar_foreach(cfg, name, "*", NULL, NULL),
GIT_EINVALIDSPEC);
cl_git_fail_with(git_config_set_multivar(cfg, name, "*", "42"),
GIT_EINVALIDSPEC);