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cli: move parsing of meta data fields

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This commit is contained in:
Thomas Haller 2017-04-12 15:19:26 +02:00
parent 39bc8dbdf9
commit 886dad49d4
5 changed files with 325 additions and 311 deletions
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291
clients/cli/utils.c
View file

@ -756,212 +756,6 @@ nmc_free_output_field_values (NmcOutputField fields_array[])
/*****************************************************************************/
typedef struct {
guint idx;
gsize self_offset_plus_1;
gsize sub_offset_plus_1;
} OutputSelectionItem;
static NMMetaSelectionResultList *
_output_selection_pack (const NMMetaAbstractInfo *const* fields_array,
GArray *array,
GString *str)
{
NMMetaSelectionResultList *result;
guint i;
guint len;
len = array ? array->len : 0;
/* re-organize the collected output data in one buffer that can be freed using
* g_free(). This makes allocation more complicated, but saves us from special
* handling for free. */
result = g_malloc0 (sizeof (NMMetaSelectionResultList) + (len * sizeof (NMMetaSelectionItem)) + (str ? str->len : 0));
*((guint *) &result->num) = len;
if (len > 0) {
char *pdata = &((char *) result)[sizeof (NMMetaSelectionResultList) + (len * sizeof (NMMetaSelectionItem))];
if (str)
memcpy (pdata, str->str, str->len);
for (i = 0; i < len; i++) {
const OutputSelectionItem *a = &g_array_index (array, OutputSelectionItem, i);
NMMetaSelectionItem *p = (NMMetaSelectionItem *) &result->items[i];
p->info = fields_array[a->idx];
p->idx = a->idx;
if (a->self_offset_plus_1 > 0)
p->self_selection = &pdata[a->self_offset_plus_1 - 1];
if (a->sub_offset_plus_1 > 0)
p->sub_selection = &pdata[a->sub_offset_plus_1 - 1];
}
}
return result;
}
static gboolean
_output_selection_select_one (const NMMetaAbstractInfo *const* fields_array,
const char *fields_prefix,
const char *fields_str,
gboolean validate_nested,
GArray **p_array,
GString **p_str,
GError **error)
{
guint i, j;
const char *i_name;
const char *right;
gboolean found = FALSE;
const NMMetaAbstractInfo *fields_array_failure = NULL;
gs_free char *fields_str_clone = NULL;
nm_assert (fields_str);
nm_assert (p_array);
nm_assert (p_str);
nm_assert (!error || !*error);
right = strchr (fields_str, '.');
if (right) {
fields_str_clone = g_strdup (fields_str);
fields_str_clone[right - fields_str] = '\0';
i_name = fields_str_clone;
right = &fields_str_clone[right - fields_str + 1];
} else
i_name = fields_str;
if (!fields_array)
goto not_found;
for (i = 0; fields_array[i]; i++) {
const NMMetaAbstractInfo *fi = fields_array[i];
const NMMetaAbstractInfo *const*nested;
gs_free gpointer nested_to_free = NULL;
if (g_ascii_strcasecmp (i_name, nm_meta_abstract_info_get_name (fi, FALSE)) != 0)
continue;
if (!right || !validate_nested) {
found = TRUE;
break;
}
nested = nm_meta_abstract_info_get_nested (fi, NULL, &nested_to_free);
if (nested) {
for (j = 0; nested[j]; nested++) {
if (g_ascii_strcasecmp (right, nm_meta_abstract_info_get_name (nested[j], FALSE)) == 0) {
found = TRUE;
break;
}
}
}
fields_array_failure = fields_array[i];
break;
}
if (!found) {
not_found:
if ( !right
&& !fields_prefix
&& ( !g_ascii_strcasecmp (i_name, "all")
|| !g_ascii_strcasecmp (i_name, "common")))
g_set_error (error, NMCLI_ERROR, 0, _("field '%s' has to be alone"), i_name);
else {
gs_free char *allowed_fields = NULL;
if (fields_array_failure) {
gs_free char *p = NULL;
if (fields_prefix) {
p = g_strdup_printf ("%s.%s", fields_prefix,
nm_meta_abstract_info_get_name (fields_array_failure, FALSE));
}
allowed_fields = nm_meta_abstract_info_get_nested_names_str (fields_array_failure, p);
} else
allowed_fields = nm_meta_abstract_infos_get_names_str (fields_array, NULL);
g_set_error (error, NMCLI_ERROR, 1, _("invalid field '%s%s%s%s%s'; %s%s%s"),
fields_prefix ?: "", fields_prefix ? "." : "",
i_name, right ? "." : "", right ?: "",
NM_PRINT_FMT_QUOTED (allowed_fields, "allowed fields: ", allowed_fields, "", "no fields"));
}
return FALSE;
}
{
GString *str;
OutputSelectionItem s = {
.idx = i,
};
if (!*p_str)
*p_str = g_string_sized_new (64);
str = *p_str;
s.self_offset_plus_1 = str->len + 1;
if (fields_prefix) {
g_string_append (str, fields_prefix);
g_string_append_c (str, '.');
}
g_string_append_len (str, i_name, strlen (i_name) + 1);
if (right) {
s.sub_offset_plus_1 = str->len + 1;
g_string_append_len (str, right, strlen (right) + 1);
}
if (!*p_array)
*p_array = g_array_new (FALSE, FALSE, sizeof (OutputSelectionItem));
g_array_append_val (*p_array, s);
}
return TRUE;
}
static NMMetaSelectionResultList *
nm_meta_selection_create_all (const NMMetaAbstractInfo *const* fields_array)
{
gs_unref_array GArray *array = NULL;
guint i;
if (fields_array) {
array = g_array_new (FALSE, FALSE, sizeof (OutputSelectionItem));
for (i = 0; fields_array[i]; i++) {
OutputSelectionItem s = {
.idx = i,
};
g_array_append_val (array, s);
}
}
return _output_selection_pack (fields_array, array, NULL);
}
static NMMetaSelectionResultList *
nm_meta_selection_create_parse_one (const NMMetaAbstractInfo *const* fields_array,
const char *fields_prefix,
const char *fields_str, /* one field selector (contains no commas) and is already stripped of spaces. */
gboolean validate_nested,
GError **error)
{
gs_unref_array GArray *array = NULL;
nm_auto_free_gstring GString *str = NULL;
g_return_val_if_fail (!error || !*error, NULL);
nm_assert (fields_str && !strchr (fields_str, ','));
if (!_output_selection_select_one (fields_array,
fields_prefix,
fields_str,
validate_nested,
&array,
&str,
error))
return NULL;
return _output_selection_pack (fields_array, array, str);
}
#define PRINT_DATA_COL_PARENT_NIL (G_MAXUINT)
typedef struct {
@ -1053,47 +847,6 @@ _output_selection_append (GArray *cols,
/*****************************************************************************/
NMMetaSelectionResultList *
nm_meta_selection_create_parse_list (const NMMetaAbstractInfo *const* fields_array,
const char *fields_prefix,
const char *fields_str, /* a comma separated list of selectors */
gboolean validate_nested,
GError **error)
{
gs_unref_array GArray *array = NULL;
nm_auto_free_gstring GString *str = NULL;
gs_free char *fields_str_clone = NULL;
char *fields_str_cur;
char *fields_str_next;
g_return_val_if_fail (!error || !*error, NULL);
if (!fields_str)
return nm_meta_selection_create_all (fields_array);
fields_str_clone = g_strdup (fields_str);
for (fields_str_cur = fields_str_clone; fields_str_cur; fields_str_cur = fields_str_next) {
fields_str_cur = nm_str_skip_leading_spaces (fields_str_cur);
fields_str_next = strchr (fields_str_cur, ',');
if (fields_str_next)
*fields_str_next++ = '\0';
g_strchomp (fields_str_cur);
if (!fields_str_cur[0])
continue;
if (!_output_selection_select_one (fields_array,
fields_prefix,
fields_str_cur,
validate_nested,
&array,
&str,
error))
return NULL;
}
return _output_selection_pack (fields_array, array, str);
}
/**
* _output_selection_parse:
* @fields: a %NULL terminated array of meta-data fields
@ -1207,50 +960,6 @@ parse_output_fields (const char *fields_str,
return array;
}
char *
nm_meta_abstract_info_get_nested_names_str (const NMMetaAbstractInfo *abstract_info, const char *name_prefix)
{
gs_free gpointer nested_to_free = NULL;
guint i;
const NMMetaAbstractInfo *const*nested;
GString *allowed_fields;
nested = nm_meta_abstract_info_get_nested (abstract_info, NULL, &nested_to_free);
if (!nested)
return NULL;
allowed_fields = g_string_sized_new (256);
if (!name_prefix)
name_prefix = nm_meta_abstract_info_get_name (abstract_info, FALSE);
for (i = 0; nested[i]; i++) {
g_string_append_printf (allowed_fields, "%s.%s,",
name_prefix, nm_meta_abstract_info_get_name (nested[i], FALSE));
}
g_string_truncate (allowed_fields, allowed_fields->len - 1);
return g_string_free (allowed_fields, FALSE);
}
char *
nm_meta_abstract_infos_get_names_str (const NMMetaAbstractInfo *const*fields_array, const char *name_prefix)
{
GString *allowed_fields;
guint i;
if (!fields_array || !fields_array[0])
return NULL;
allowed_fields = g_string_sized_new (256);
for (i = 0; fields_array[i]; i++) {
if (name_prefix)
g_string_append_printf (allowed_fields, "%s.", name_prefix);
g_string_append_printf (allowed_fields, "%s,", nm_meta_abstract_info_get_name (fields_array[i], FALSE));
}
g_string_truncate (allowed_fields, allowed_fields->len - 1);
return g_string_free (allowed_fields, FALSE);
}
NmcOutputField *
nmc_dup_fields_array (const NMMetaAbstractInfo *const*fields, NmcOfFlags flags)
{

20
clients/cli/utils.h
View file

@ -61,31 +61,11 @@ void set_val_color_all (NmcOutputField fields_array[], NMMetaTermColor color);
void set_val_color_fmt_all (NmcOutputField fields_array[], NMMetaTermFormat format);
void nmc_free_output_field_values (NmcOutputField fields_array[]);
typedef struct {
const NMMetaAbstractInfo *info;
const char *self_selection;
const char *sub_selection;
guint idx;
} NMMetaSelectionItem;
typedef struct {
const guint num;
const NMMetaSelectionItem items[];
} NMMetaSelectionResultList;
NMMetaSelectionResultList *nm_meta_selection_create_parse_list (const NMMetaAbstractInfo *const* fields_array,
const char *fields_prefix,
const char *fields_str,
gboolean validate_nested,
GError **error);
GArray *parse_output_fields (const char *fields_str,
const NMMetaAbstractInfo *const* fields_array,
gboolean parse_groups,
GPtrArray **group_fields,
GError **error);
char *nm_meta_abstract_info_get_nested_names_str (const NMMetaAbstractInfo *abstract_info, const char *name_prefix);
char *nm_meta_abstract_infos_get_names_str (const NMMetaAbstractInfo *const*fields_array, const char *name_prefix);
NmcOutputField *nmc_dup_fields_array (const NMMetaAbstractInfo *const*fields, NmcOfFlags flags);
void nmc_empty_output_fields (NmcOutputData *output_data);
void print_required_fields (const NmcConfig *nmc_config,

295
clients/common/nm-meta-setting-access.c
View file

@ -349,3 +349,298 @@ nm_meta_abstract_info_complete (const NMMetaAbstractInfo *abstract_info,
return (const char *const*) (*out_to_free = r);
}
}
/*****************************************************************************/
char *
nm_meta_abstract_info_get_nested_names_str (const NMMetaAbstractInfo *abstract_info, const char *name_prefix)
{
gs_free gpointer nested_to_free = NULL;
guint i;
const NMMetaAbstractInfo *const*nested;
GString *allowed_fields;
nested = nm_meta_abstract_info_get_nested (abstract_info, NULL, &nested_to_free);
if (!nested)
return NULL;
allowed_fields = g_string_sized_new (256);
if (!name_prefix)
name_prefix = nm_meta_abstract_info_get_name (abstract_info, FALSE);
for (i = 0; nested[i]; i++) {
g_string_append_printf (allowed_fields, "%s.%s,",
name_prefix, nm_meta_abstract_info_get_name (nested[i], FALSE));
}
g_string_truncate (allowed_fields, allowed_fields->len - 1);
return g_string_free (allowed_fields, FALSE);
}
char *
nm_meta_abstract_infos_get_names_str (const NMMetaAbstractInfo *const*fields_array, const char *name_prefix)
{
GString *allowed_fields;
guint i;
if (!fields_array || !fields_array[0])
return NULL;
allowed_fields = g_string_sized_new (256);
for (i = 0; fields_array[i]; i++) {
if (name_prefix)
g_string_append_printf (allowed_fields, "%s.", name_prefix);
g_string_append_printf (allowed_fields, "%s,", nm_meta_abstract_info_get_name (fields_array[i], FALSE));
}
g_string_truncate (allowed_fields, allowed_fields->len - 1);
return g_string_free (allowed_fields, FALSE);
}
/*****************************************************************************/
typedef struct {
guint idx;
gsize self_offset_plus_1;
gsize sub_offset_plus_1;
} OutputSelectionItem;
static NMMetaSelectionResultList *
_output_selection_pack (const NMMetaAbstractInfo *const* fields_array,
GArray *array,
GString *str)
{
NMMetaSelectionResultList *result;
guint i;
guint len;
len = array ? array->len : 0;
/* re-organize the collected output data in one buffer that can be freed using
* g_free(). This makes allocation more complicated, but saves us from special
* handling for free. */
result = g_malloc0 (sizeof (NMMetaSelectionResultList) + (len * sizeof (NMMetaSelectionItem)) + (str ? str->len : 0));
*((guint *) &result->num) = len;
if (len > 0) {
char *pdata = &((char *) result)[sizeof (NMMetaSelectionResultList) + (len * sizeof (NMMetaSelectionItem))];
if (str)
memcpy (pdata, str->str, str->len);
for (i = 0; i < len; i++) {
const OutputSelectionItem *a = &g_array_index (array, OutputSelectionItem, i);
NMMetaSelectionItem *p = (NMMetaSelectionItem *) &result->items[i];
p->info = fields_array[a->idx];
p->idx = a->idx;
if (a->self_offset_plus_1 > 0)
p->self_selection = &pdata[a->self_offset_plus_1 - 1];
if (a->sub_offset_plus_1 > 0)
p->sub_selection = &pdata[a->sub_offset_plus_1 - 1];
}
}
return result;
}
static gboolean
_output_selection_select_one (const NMMetaAbstractInfo *const* fields_array,
const char *fields_prefix,
const char *fields_str,
gboolean validate_nested,
GArray **p_array,
GString **p_str,
GError **error)
{
guint i, j;
const char *i_name;
const char *right;
gboolean found = FALSE;
const NMMetaAbstractInfo *fields_array_failure = NULL;
gs_free char *fields_str_clone = NULL;
nm_assert (fields_str);
nm_assert (p_array);
nm_assert (p_str);
nm_assert (!error || !*error);
right = strchr (fields_str, '.');
if (right) {
fields_str_clone = g_strdup (fields_str);
fields_str_clone[right - fields_str] = '\0';
i_name = fields_str_clone;
right = &fields_str_clone[right - fields_str + 1];
} else
i_name = fields_str;
if (!fields_array)
goto not_found;
for (i = 0; fields_array[i]; i++) {
const NMMetaAbstractInfo *fi = fields_array[i];
const NMMetaAbstractInfo *const*nested;
gs_free gpointer nested_to_free = NULL;
if (g_ascii_strcasecmp (i_name, nm_meta_abstract_info_get_name (fi, FALSE)) != 0)
continue;
if (!right || !validate_nested) {
found = TRUE;
break;
}
nested = nm_meta_abstract_info_get_nested (fi, NULL, &nested_to_free);
if (nested) {
for (j = 0; nested[j]; nested++) {
if (g_ascii_strcasecmp (right, nm_meta_abstract_info_get_name (nested[j], FALSE)) == 0) {
found = TRUE;
break;
}
}
}
fields_array_failure = fields_array[i];
break;
}
if (!found) {
not_found:
if ( !right
&& !fields_prefix
&& ( !g_ascii_strcasecmp (i_name, "all")
|| !g_ascii_strcasecmp (i_name, "common")))
g_set_error (error, NM_UTILS_ERROR, NM_UTILS_ERROR_UNKNOWN, _("field '%s' has to be alone"), i_name);
else {
gs_free char *allowed_fields = NULL;
if (fields_array_failure) {
gs_free char *p = NULL;
if (fields_prefix) {
p = g_strdup_printf ("%s.%s", fields_prefix,
nm_meta_abstract_info_get_name (fields_array_failure, FALSE));
}
allowed_fields = nm_meta_abstract_info_get_nested_names_str (fields_array_failure, p);
} else
allowed_fields = nm_meta_abstract_infos_get_names_str (fields_array, NULL);
g_set_error (error, NM_UTILS_ERROR, NM_UTILS_ERROR_UNKNOWN, _("invalid field '%s%s%s%s%s'; %s%s%s"),
fields_prefix ?: "", fields_prefix ? "." : "",
i_name, right ? "." : "", right ?: "",
NM_PRINT_FMT_QUOTED (allowed_fields, "allowed fields: ", allowed_fields, "", "no fields"));
}
return FALSE;
}
{
GString *str;
OutputSelectionItem s = {
.idx = i,
};
if (!*p_str)
*p_str = g_string_sized_new (64);
str = *p_str;
s.self_offset_plus_1 = str->len + 1;
if (fields_prefix) {
g_string_append (str, fields_prefix);
g_string_append_c (str, '.');
}
g_string_append_len (str, i_name, strlen (i_name) + 1);
if (right) {
s.sub_offset_plus_1 = str->len + 1;
g_string_append_len (str, right, strlen (right) + 1);
}
if (!*p_array)
*p_array = g_array_new (FALSE, FALSE, sizeof (OutputSelectionItem));
g_array_append_val (*p_array, s);
}
return TRUE;
}
NMMetaSelectionResultList *
nm_meta_selection_create_all (const NMMetaAbstractInfo *const* fields_array)
{
gs_unref_array GArray *array = NULL;
guint i;
if (fields_array) {
array = g_array_new (FALSE, FALSE, sizeof (OutputSelectionItem));
for (i = 0; fields_array[i]; i++) {
OutputSelectionItem s = {
.idx = i,
};
g_array_append_val (array, s);
}
}
return _output_selection_pack (fields_array, array, NULL);
}
NMMetaSelectionResultList *
nm_meta_selection_create_parse_one (const NMMetaAbstractInfo *const* fields_array,
const char *fields_prefix,
const char *fields_str, /* one field selector (contains no commas) and is already stripped of spaces. */
gboolean validate_nested,
GError **error)
{
gs_unref_array GArray *array = NULL;
nm_auto_free_gstring GString *str = NULL;
g_return_val_if_fail (!error || !*error, NULL);
nm_assert (fields_str && !strchr (fields_str, ','));
if (!_output_selection_select_one (fields_array,
fields_prefix,
fields_str,
validate_nested,
&array,
&str,
error))
return NULL;
return _output_selection_pack (fields_array, array, str);
}
NMMetaSelectionResultList *
nm_meta_selection_create_parse_list (const NMMetaAbstractInfo *const* fields_array,
const char *fields_prefix,
const char *fields_str, /* a comma separated list of selectors */
gboolean validate_nested,
GError **error)
{
gs_unref_array GArray *array = NULL;
nm_auto_free_gstring GString *str = NULL;
gs_free char *fields_str_clone = NULL;
char *fields_str_cur;
char *fields_str_next;
g_return_val_if_fail (!error || !*error, NULL);
if (!fields_str)
return nm_meta_selection_create_all (fields_array);
fields_str_clone = g_strdup (fields_str);
for (fields_str_cur = fields_str_clone; fields_str_cur; fields_str_cur = fields_str_next) {
fields_str_cur = nm_str_skip_leading_spaces (fields_str_cur);
fields_str_next = strchr (fields_str_cur, ',');
if (fields_str_next)
*fields_str_next++ = '\0';
g_strchomp (fields_str_cur);
if (!fields_str_cur[0])
continue;
if (!_output_selection_select_one (fields_array,
fields_prefix,
fields_str_cur,
validate_nested,
&array,
&str,
error))
return NULL;
}
return _output_selection_pack (fields_array, array, str);
}

29
clients/common/nm-meta-setting-access.h
View file

@ -71,4 +71,33 @@ const char *const*nm_meta_abstract_info_complete (const NMMetaAbstractInfo *abst
/*****************************************************************************/
char *nm_meta_abstract_info_get_nested_names_str (const NMMetaAbstractInfo *abstract_info, const char *name_prefix);
char *nm_meta_abstract_infos_get_names_str (const NMMetaAbstractInfo *const*fields_array, const char *name_prefix);
/*****************************************************************************/
typedef struct {
const NMMetaAbstractInfo *info;
const char *self_selection;
const char *sub_selection;
guint idx;
} NMMetaSelectionItem;
typedef struct {
const guint num;
const NMMetaSelectionItem items[];
} NMMetaSelectionResultList;
NMMetaSelectionResultList *nm_meta_selection_create_all (const NMMetaAbstractInfo *const* fields_array);
NMMetaSelectionResultList *nm_meta_selection_create_parse_one (const NMMetaAbstractInfo *const* fields_array,
const char *fields_prefix,
const char *fields_str,
gboolean validate_nested,
GError **error);
NMMetaSelectionResultList *nm_meta_selection_create_parse_list (const NMMetaAbstractInfo *const* fields_array,
const char *fields_prefix,
const char *fields_str,
gboolean validate_nested,
GError **error);
#endif /* _NM_META_SETTING_ACCESS_H__ */

1
po/POTFILES.in
View file

@ -11,6 +11,7 @@ clients/cli/polkit-agent.c
clients/cli/settings.c
clients/cli/utils.c
clients/common/nm-client-utils.c
clients/common/nm-meta-setting-access.c
clients/common/nm-meta-setting-desc.c
clients/common/nm-polkit-listener.c
clients/common/nm-secret-agent-simple.c