+/**
+ * \file include/conf.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_CONF_H
+#define __ALSA_CONF_H
-enum _snd_config_type {
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Config Configuration Interface
+ * The configuration functions and types allow you to read, enumerate,
+ * modify and write the contents of ALSA configuration files.
+ * \{
+ */
+
+/** \brief \c dlsym version for the config evaluate callback. */
+#define SND_CONFIG_DLSYM_VERSION_EVALUATE _dlsym_config_evaluate_001
+/** \brief \c dlsym version for the config hook callback. */
+#define SND_CONFIG_DLSYM_VERSION_HOOK _dlsym_config_hook_001
+
+/** \brief Configuration node type. */
+typedef enum _snd_config_type {
+ /** Integer number. */
SND_CONFIG_TYPE_INTEGER,
+ /** 64-bit integer number. */
+ SND_CONFIG_TYPE_INTEGER64,
+ /** Real number. */
SND_CONFIG_TYPE_REAL,
+ /** Character string. */
SND_CONFIG_TYPE_STRING,
- SND_CONFIG_TYPE_COMPOUND,
-};
-
-#ifdef SND_ENUM_TYPECHECK
-typedef struct __snd_config_type *snd_config_type_t;
-#else
-typedef enum _snd_config_type snd_config_type_t;
-#endif
-
-#define SND_CONFIG_TYPE_INTEGER ((snd_config_type_t) SND_CONFIG_TYPE_INTEGER)
-#define SND_CONFIG_TYPE_REAL ((snd_config_type_t) SND_CONFIG_TYPE_REAL)
-#define SND_CONFIG_TYPE_STRING ((snd_config_type_t) SND_CONFIG_TYPE_STRING)
-#define SND_CONFIG_TYPE_COMPOUND ((snd_config_type_t) SND_CONFIG_TYPE_COMPOUND)
-
+ /** Pointer (runtime only, cannot be saved). */
+ SND_CONFIG_TYPE_POINTER,
+ /** Compound node. */
+ SND_CONFIG_TYPE_COMPOUND = 1024
+} snd_config_type_t;
+
+/**
+ * \brief Internal structure for a configuration node object.
+ *
+ * The ALSA library uses a pointer to this structure as a handle to a
+ * configuration node. Applications don't access its contents directly.
+ */
typedef struct _snd_config snd_config_t;
+/**
+ * \brief Type for a configuration compound iterator.
+ *
+ * The ALSA library uses this pointer type as a handle to a configuration
+ * compound iterator. Applications don't directly access the contents of
+ * the structure pointed to by this type.
+ */
typedef struct _snd_config_iterator *snd_config_iterator_t;
+/**
+ * \brief Internal structure for a configuration private update object.
+ *
+ * The ALSA library uses this structure to save private update information.
+ */
+typedef struct _snd_config_update snd_config_update_t;
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-snd_config_type_t snd_config_get_type(snd_config_t *config);
-const char *snd_config_get_id(snd_config_t *config);
+extern snd_config_t *snd_config;
int snd_config_top(snd_config_t **config);
int snd_config_load(snd_config_t *config, snd_input_t *in);
+int snd_config_load_override(snd_config_t *config, snd_input_t *in);
int snd_config_save(snd_config_t *config, snd_output_t *out);
+int snd_config_update(void);
+int snd_config_update_r(snd_config_t **top, snd_config_update_t **update, const char *path);
+int snd_config_update_free(snd_config_update_t *update);
+int snd_config_update_free_global(void);
+
+int snd_config_update_ref(snd_config_t **top);
+void snd_config_ref(snd_config_t *top);
+void snd_config_unref(snd_config_t *top);
int snd_config_search(snd_config_t *config, const char *key,
snd_config_t **result);
int snd_config_searchv(snd_config_t *config,
snd_config_t **result, ...);
-int snd_config_search_alias(snd_config_t *config,
- const char *base, const char *key,
- snd_config_t **result);
+int snd_config_search_definition(snd_config_t *config,
+ const char *base, const char *key,
+ snd_config_t **result);
+
+int snd_config_expand(snd_config_t *config, snd_config_t *root,
+ const char *args, snd_config_t *private_data,
+ snd_config_t **result);
+int snd_config_evaluate(snd_config_t *config, snd_config_t *root,
+ snd_config_t *private_data, snd_config_t **result);
int snd_config_add(snd_config_t *config, snd_config_t *leaf);
int snd_config_delete(snd_config_t *config);
+int snd_config_delete_compound_members(const snd_config_t *config);
+int snd_config_copy(snd_config_t **dst, snd_config_t *src);
int snd_config_make(snd_config_t **config, const char *key,
snd_config_type_t type);
int snd_config_make_integer(snd_config_t **config, const char *key);
+int snd_config_make_integer64(snd_config_t **config, const char *key);
int snd_config_make_real(snd_config_t **config, const char *key);
int snd_config_make_string(snd_config_t **config, const char *key);
+int snd_config_make_pointer(snd_config_t **config, const char *key);
int snd_config_make_compound(snd_config_t **config, const char *key, int join);
+int snd_config_imake_integer(snd_config_t **config, const char *key, const long value);
+int snd_config_imake_integer64(snd_config_t **config, const char *key, const long long value);
+int snd_config_imake_real(snd_config_t **config, const char *key, const double value);
+int snd_config_imake_string(snd_config_t **config, const char *key, const char *ascii);
+int snd_config_imake_safe_string(snd_config_t **config, const char *key, const char *ascii);
+int snd_config_imake_pointer(snd_config_t **config, const char *key, const void *ptr);
+
+snd_config_type_t snd_config_get_type(const snd_config_t *config);
+
+int snd_config_set_id(snd_config_t *config, const char *id);
int snd_config_set_integer(snd_config_t *config, long value);
+int snd_config_set_integer64(snd_config_t *config, long long value);
int snd_config_set_real(snd_config_t *config, double value);
int snd_config_set_string(snd_config_t *config, const char *value);
-int snd_config_get_integer(snd_config_t *config, long *value);
-int snd_config_get_real(snd_config_t *config, double *value);
-int snd_config_get_string(snd_config_t *config, const char **value);
-
-snd_config_iterator_t snd_config_iterator_first(snd_config_t *node);
-snd_config_iterator_t snd_config_iterator_next(snd_config_iterator_t iterator);
-snd_config_iterator_t snd_config_iterator_end(snd_config_t *node);
-snd_config_t *snd_config_iterator_entry(snd_config_iterator_t iterator);
-
+int snd_config_set_ascii(snd_config_t *config, const char *ascii);
+int snd_config_set_pointer(snd_config_t *config, const void *ptr);
+int snd_config_get_id(const snd_config_t *config, const char **value);
+int snd_config_get_integer(const snd_config_t *config, long *value);
+int snd_config_get_integer64(const snd_config_t *config, long long *value);
+int snd_config_get_real(const snd_config_t *config, double *value);
+int snd_config_get_ireal(const snd_config_t *config, double *value);
+int snd_config_get_string(const snd_config_t *config, const char **value);
+int snd_config_get_ascii(const snd_config_t *config, char **value);
+int snd_config_get_pointer(const snd_config_t *config, const void **value);
+int snd_config_test_id(const snd_config_t *config, const char *id);
+
+snd_config_iterator_t snd_config_iterator_first(const snd_config_t *node);
+snd_config_iterator_t snd_config_iterator_next(const snd_config_iterator_t iterator);
+snd_config_iterator_t snd_config_iterator_end(const snd_config_t *node);
+snd_config_t *snd_config_iterator_entry(const snd_config_iterator_t iterator);
+
+/**
+ * \brief Helper macro to iterate over the children of a compound node.
+ * \param[in,out] pos Iterator variable for the current node.
+ * \param[in,out] next Temporary iterator variable for the next node.
+ * \param[in] node Handle to the compound configuration node to iterate over.
+ *
+ * Use this macro like a \c for statement, e.g.:
+ * \code
+ * snd_config_iterator_t pos, next;
+ * snd_config_for_each(pos, next, node) {
+ * snd_config_t *entry = snd_config_iterator_entry(pos);
+ * ...
+ * }
+ * \endcode
+ *
+ * This macro allows deleting or removing the current node.
+ */
#define snd_config_for_each(pos, next, node) \
for (pos = snd_config_iterator_first(node), next = snd_config_iterator_next(pos); pos != snd_config_iterator_end(node); pos = next, next = snd_config_iterator_next(pos))
-snd_config_type_t snd_config_get_type(snd_config_t *config);
-const char *snd_config_get_id(snd_config_t *config);
+/* Misc functions */
-extern snd_config_t *snd_config;
-int snd_config_update();
+int snd_config_get_bool_ascii(const char *ascii);
+int snd_config_get_bool(const snd_config_t *conf);
+int snd_config_get_ctl_iface_ascii(const char *ascii);
+int snd_config_get_ctl_iface(const snd_config_t *conf);
+
+/* Names functions */
+
+/**
+ * Device-name list element
+ */
+typedef struct snd_devname snd_devname_t;
+
+/**
+ * Device-name list element (definition)
+ */
+struct snd_devname {
+ char *name; /**< Device name string */
+ char *comment; /**< Comments */
+ snd_devname_t *next; /**< Next pointer */
+};
+
+int snd_names_list(const char *iface, snd_devname_t **list);
+void snd_names_list_free(snd_devname_t *list);
+
+/** \} */
#ifdef __cplusplus
}
#endif
+#endif /* __ALSA_CONF_H */
OSDN Git Service
