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open_plugin.c access open_plugin_entry through a function

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just a few updates to open_plugin save a bit of space by granting access through a getter function

Change-Id: I2c0eaa1ade867510798b213006064ee1c00aa016
This commit is contained in:
William Wilgus 2022-12-10 02:44:04 -05:00 committed by William Wilgus
parent 626be18da0
commit 6f54bb63fc
3 changed files with 108 additions and 58 deletions
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144
apps/open_plugin.c
View file

@ -32,11 +32,9 @@
#include "logf.h"
#define ROCK_EXT "rock"
#define ROCK_LEN 5
#define ROCK_LEN sizeof(ROCK_EXT)
#define OP_EXT "opx"
#define OP_LEN 4
struct open_plugin_entry_t open_plugin_entry = {0};
#define OP_LEN sizeof(OP_EXT)
static const uint32_t open_plugin_csum = OPEN_PLUGIN_CHECKSUM;
@ -44,7 +42,7 @@ static const int op_entry_sz = sizeof(struct open_plugin_entry_t);
static const char* strip_rockbox_root(const char *path)
{
int dlen = strlen(ROCKBOX_DIR);
int dlen = ROCKBOX_DIR_LEN;
if (strncmp(path, ROCKBOX_DIR, dlen) == 0)
path+= dlen;
return path;
@ -55,11 +53,14 @@ static inline void op_clear_entry(struct open_plugin_entry_t *entry)
if (entry == NULL)
return;
memset(entry, 0, op_entry_sz);
entry->lang_id = -1;
entry->lang_id = OPEN_PLUGIN_LANG_INVALID;
}
static int op_entry_checksum(struct open_plugin_entry_t *entry)
{
/*Note: since we use langids as checksums everytime someone moves the lang file
* around it could mess with our indexing so invalidate entries when this occurs
*/
if (entry == NULL || entry->checksum != open_plugin_csum +
(entry->lang_id <= OPEN_PLUGIN_LANG_INVALID ? 0 : LANG_LAST_INDEX_IN_ARRAY))
{
@ -117,7 +118,7 @@ static int op_find_entry(int fd, struct open_plugin_entry_t *entry,
#endif
(ret > OPEN_PLUGIN_NOT_FOUND && op_entry_checksum(entry) <= 0))
{
splash(HZ * 2, "OpenPlugin Invalid entry");
splashf(HZ * 2, "%s Invalid entry", str(LANG_OPEN_PLUGIN));
ret = OPEN_PLUGIN_NOT_FOUND;
}
if (ret == OPEN_PLUGIN_NOT_FOUND)
@ -215,7 +216,7 @@ static int op_update_dat(struct open_plugin_entry_t *entry, bool clear)
return 0;
}
static int op_get_entry(uint32_t hash, int32_t lang_id,
static int op_load_entry(uint32_t hash, int32_t lang_id,
struct open_plugin_entry_t *entry, const char *dat_file)
{
int opret = OPEN_PLUGIN_NOT_FOUND;
@ -238,7 +239,8 @@ static int op_get_entry(uint32_t hash, int32_t lang_id,
}
/* if another entry is loaded; flush it to disk before we destroy it */
op_update_dat(&open_plugin_entry, true);
op_update_dat(open_plugin_get_entry(), true);
logf("OP get_entry hash: %x lang id: %d db: %s", hash, lang_id, dat_file);
@ -252,17 +254,41 @@ static int op_get_entry(uint32_t hash, int32_t lang_id,
return opret;
}
/******************************************************************************/
/******************************************************************************/
/* ************************************************************************** */
/* * PUBLIC INTERFACE FUNCTIONS * *********************************************/
/* ************************************************************************** */
/******************************************************************************/
/******************************************************************************/
/* open_plugin_get_entry()
* returns the internal open_plugin_entry
*/
struct open_plugin_entry_t * open_plugin_get_entry(void)
{
/* holds entry data to load/run/store */
static struct open_plugin_entry_t open_plugin_entry = {0};
return &open_plugin_entry;
}
/* open_plugin_add_path()
* adds a plugin path and calling parameters to open_plugin_entry
* hash of the key is created for later recall of the plugin path and parameters
* returns hash of the key or 0 on error
*/
uint32_t open_plugin_add_path(const char *key, const char *plugin, const char *parameter)
{
int len;
size_t len;
uint32_t hash;
int32_t lang_id;
char *pos = "\0";
struct open_plugin_entry_t *op_entry = open_plugin_get_entry();
if(key == NULL)
{
logf("OP add_path No Key, *Clearing entry*");
op_clear_entry(&open_plugin_entry);
op_clear_entry(op_entry);
return 0;
}
@ -271,37 +297,37 @@ uint32_t open_plugin_add_path(const char *key, const char *plugin, const char *p
logf("OP add_path key: %s lang id: %d", skey, lang_id);
open_plugin_get_hash(strip_rockbox_root(skey), &hash);
if(open_plugin_entry.hash != hash)
if(op_entry->hash != hash)
{
logf("OP add_path *Flush entry*");
/* the entry in ram needs saved */
op_update_dat(&open_plugin_entry, true);
op_update_dat(op_entry, true);
}
if (plugin)
{
open_plugin_entry.hash = hash;
open_plugin_entry.lang_id = lang_id;
open_plugin_entry.checksum = open_plugin_csum +
op_entry->hash = hash;
op_entry->lang_id = lang_id;
op_entry->checksum = open_plugin_csum +
(lang_id <= OPEN_PLUGIN_LANG_INVALID ? 0 : LANG_LAST_INDEX_IN_ARRAY);
/* name */
if (path_basename(plugin, (const char **)&pos) == 0)
pos = "\0";
len = strlcpy(open_plugin_entry.name, pos, OPEN_PLUGIN_NAMESZ);
len = strlcpy(op_entry->name, pos, OPEN_PLUGIN_NAMESZ);
if (len > ROCK_LEN && strcasecmp(&(pos[len-ROCK_LEN]), "." ROCK_EXT) == 0)
{
/* path */
strmemccpy(open_plugin_entry.path, plugin, OPEN_PLUGIN_BUFSZ);
strmemccpy(op_entry->path, plugin, OPEN_PLUGIN_BUFSZ);
if(!parameter)
parameter = "";
strmemccpy(open_plugin_entry.param, parameter, OPEN_PLUGIN_BUFSZ);
strmemccpy(op_entry->param, parameter, OPEN_PLUGIN_BUFSZ);
goto retnhash;
}
else if (len > OP_LEN && strcasecmp(&(pos[len-OP_LEN]), "." OP_EXT) == 0)
{
op_get_entry(0, OPEN_PLUGIN_LANG_IGNORE, &open_plugin_entry, plugin);
op_load_entry(0, OPEN_PLUGIN_LANG_IGNORE, op_entry, plugin);
goto retnhash;
}
}
@ -309,33 +335,37 @@ uint32_t open_plugin_add_path(const char *key, const char *plugin, const char *p
logf("OP add_path Invalid, *Clearing entry*");
if (lang_id != LANG_SHORTCUTS) /* from shortcuts menu */
splashf(HZ * 2, str(LANG_OPEN_PLUGIN_NOT_A_PLUGIN), pos);
op_clear_entry(&open_plugin_entry);
op_clear_entry(op_entry);
hash = 0;
retnhash:
logf("OP add_path name: %s %s %s",
open_plugin_entry.name,
open_plugin_entry.path,
open_plugin_entry.param);
op_entry->name, op_entry->path, op_entry->param);
return hash;
}
/* open_plugin_browse()
* allows fthe user to browse for a plugin to set to a supplied key
* if key is a lang_id that is used otherwise a hash of the key is created
* for later recall of the plugin path
*/
void open_plugin_browse(const char *key)
{
logf("OP browse");
logf("%s", __func__);
struct browse_context browse;
char tmp_buf[OPEN_PLUGIN_BUFSZ+1];
open_plugin_get_entry(key, &open_plugin_entry);
open_plugin_load_entry(key);
struct open_plugin_entry_t *op_entry = open_plugin_get_entry();
logf("OP browse key: %s name: %s",
(key ? P2STR((unsigned char *)key):"No Key") ,open_plugin_entry.name);
logf("OP browse %s %s", open_plugin_entry.path, open_plugin_entry.param);
(key ? P2STR((unsigned char *)key):"No Key"), open_plugin_entry.name);
logf("OP browse %s %s", op_entry->path, op_entry->param);
if (open_plugin_entry.path[0] == '\0')
strcpy(open_plugin_entry.path, PLUGIN_DIR"/");
if (op_entry->path[0] == '\0')
strcpy(op_entry->path, PLUGIN_DIR"/");
browse_context_init(&browse, SHOW_ALL, BROWSE_SELECTONLY, "",
Icon_Plugin, open_plugin_entry.path, NULL);
Icon_Plugin, op_entry->path, NULL);
browse.buf = tmp_buf;
browse.bufsize = OPEN_PLUGIN_BUFSZ;
@ -344,45 +374,59 @@ void open_plugin_browse(const char *key)
open_plugin_add_path(key, tmp_buf, NULL);
}
int open_plugin_get_entry(const char *key, struct open_plugin_entry_t *entry)
/* open_plugin_load_entry()
* recall of the plugin path and parameters based on supplied key
* returns the index in OPEN_PLUGIN_DAT where the entry was found (>= 0)
* if the entry was found but has not been saved returns OPEN_PLUGIN_NEEDS_FLUSHED
* otherwise returns OPEN_PLUGIN_NOT_FOUND (< 0) if key was not found
*/
int open_plugin_load_entry(const char *key)
{
if (key == NULL || entry == NULL)
return OPEN_PLUGIN_NOT_FOUND;
if (key == NULL)
key = ID2P(LANG_OPEN_PLUGIN_NOT_A_PLUGIN); /* won't be found */
struct open_plugin_entry_t *op_entry = open_plugin_get_entry();
int opret;
uint32_t hash = 0;
int32_t lang_id = P2ID((unsigned char *)key);
const char* skey = P2STR((unsigned char *)key); /* string|LANGPTR => string */
/*Note: P2ID() returns -1 if key isnt a valid lang_id */
if (lang_id <= OPEN_PLUGIN_LANG_INVALID)
open_plugin_get_hash(strip_rockbox_root(skey), &hash); /* in open_plugin.h */
opret = op_get_entry(hash, lang_id, entry, OPEN_PLUGIN_DAT);
opret = op_load_entry(hash, lang_id, op_entry, OPEN_PLUGIN_DAT);
logf("OP entry hash: %x lang id: %d ret: %d key: %s", hash, lang_id, opret, skey);
if (opret == OPEN_PLUGIN_NOT_FOUND && lang_id > OPEN_PLUGIN_LANG_INVALID)
{ /* try rb defaults */
opret = op_get_entry(hash, lang_id, entry, OPEN_RBPLUGIN_DAT);
opret = op_load_entry(hash, lang_id, op_entry, OPEN_RBPLUGIN_DAT);
logf("OP rb_entry hash: %x lang id: %d ret: %d key: %s", hash, lang_id, opret, skey);
/* add to the user plugin.dat file if found */
op_update_dat(entry, false);
op_update_dat(op_entry, false);
}
logf("OP entry ret: %s", (opret == OPEN_PLUGIN_NOT_FOUND ? "Not Found":"Found"));
return opret;
}
/* open_plugin_run()
* recall of the plugin path and parameters based on supplied key
* runs the plugin using plugin_load see plugin_load for return values
*/
int open_plugin_run(const char *key)
{
int ret = 0;
int opret = open_plugin_get_entry(key, &open_plugin_entry);
int opret = open_plugin_load_entry(key);
struct open_plugin_entry_t *op_entry = open_plugin_get_entry();
if (opret == OPEN_PLUGIN_NEEDS_FLUSHED)
op_update_dat(&open_plugin_entry, false);
const char *path = open_plugin_entry.path;
const char *param = open_plugin_entry.param;
op_update_dat(op_entry, false);
const char *path = op_entry->path;
const char *param = op_entry->param;
logf("OP run key: %s ret: %d name: %s",
(key ? P2STR((unsigned char *)key):"No Key"), opret, open_plugin_entry.name);
logf("OP run: %s %s %s", open_plugin_entry.name, path, param);
(key ? P2STR((unsigned char *)key):"No Key"), opret, op_entry->name);
logf("OP run: %s %s %s", op_entry->name, path, param);
if (param[0] == '\0')
param = NULL;
@ -392,24 +436,28 @@ int open_plugin_run(const char *key)
ret = plugin_load(path, param);
if (ret != GO_TO_PLUGIN)
op_clear_entry(&open_plugin_entry);
op_clear_entry(op_entry);
return ret;
}
/* open_plugin_cache_flush()
* saves the current open_plugin_entry to disk
*/
void open_plugin_cache_flush(void)
{
logf("OP *cache flush*");
logf("%s", __func__);
struct open_plugin_entry_t *op_entry = open_plugin_get_entry();
/* start_in_screen == 0 is 'Previous Screen' it is actually
* defined as (GO_TO_PREVIOUS = -2) + 2 for *Legacy?* reasons AFAICT */
if (global_settings.start_in_screen == 0 &&
global_status.last_screen == GO_TO_PLUGIN &&
open_plugin_entry.lang_id > OPEN_PLUGIN_LANG_INVALID)
op_entry->lang_id > OPEN_PLUGIN_LANG_INVALID)
{
/* flush the last item as LANG_PREVIOUS_SCREEN if the user wants to resume */
open_plugin_entry.lang_id = LANG_PREVIOUS_SCREEN;
op_entry->lang_id = LANG_PREVIOUS_SCREEN;
}
op_update_dat(&open_plugin_entry, true);
op_update_dat(op_entry, true);
}
#endif /* ndef __PCTOOL__ */

5
apps/open_plugin.h
View file

@ -64,7 +64,6 @@ struct open_plugin_entry_t
offsetof(struct open_plugin_entry_t, lang_id) + \
offsetof(struct open_plugin_entry_t, checksum) + \
offsetof(struct open_plugin_entry_t, name) + \
/*offsetof(struct open_plugin_entry_t, key)+*/ \
offsetof(struct open_plugin_entry_t, path) + \
offsetof(struct open_plugin_entry_t, param))
@ -79,9 +78,9 @@ inline static void open_plugin_get_hash(const char *key, uint32_t *hash)
}
#ifndef PLUGIN
extern struct open_plugin_entry_t open_plugin_entry;
struct open_plugin_entry_t* open_plugin_get_entry(void);
uint32_t open_plugin_add_path(const char *key, const char *plugin, const char *parameter);
int open_plugin_get_entry(const char *key, struct open_plugin_entry_t *entry);
int open_plugin_load_entry(const char *key);
void open_plugin_browse(const char *key);
int open_plugin_run(const char *key);
void open_plugin_cache_flush(void); /* flush to disk */

17
apps/root_menu.c
View file

@ -760,9 +760,11 @@ static int load_plugin_screen(char *key)
while(loops-- > 0) /* just to keep things from getting out of hand */
{
int opret = open_plugin_get_entry(key, &open_plugin_entry);
char *path = open_plugin_entry.path;
char *param = open_plugin_entry.param;
int opret = open_plugin_load_entry(key);
struct open_plugin_entry_t *op_entry = open_plugin_get_entry();
char *path = op_entry->path;
char *param = op_entry->param;
if (param[0] == '\0')
param = NULL;
if (path[0] == '\0' && key)
@ -792,8 +794,8 @@ static int load_plugin_screen(char *key)
if (opret != OPEN_PLUGIN_NEEDS_FLUSHED || last_screen != GO_TO_WPS)
{
/* Keep the entry in case of GO_TO_PREVIOUS */
open_plugin_entry.hash = 0; /*remove hash -- prevents flush to disk */
open_plugin_entry.lang_id = LANG_PREVIOUS_SCREEN;
op_entry->hash = 0; /*remove hash -- prevents flush to disk */
op_entry->lang_id = LANG_PREVIOUS_SCREEN;
/*open_plugin_add_path(NULL, NULL, NULL);// clear entry */
}
break;
@ -962,8 +964,9 @@ void root_menu(void)
char *key;
if (global_status.last_screen == GO_TO_SHORTCUTMENU)
{
if (open_plugin_entry.lang_id == LANG_OPEN_PLUGIN)
open_plugin_entry.lang_id = LANG_SHORTCUTS;
struct open_plugin_entry_t *op_entry = open_plugin_get_entry();
if (op_entry->lang_id == LANG_OPEN_PLUGIN)
op_entry->lang_id = LANG_SHORTCUTS;
shortcut_origin = last_screen;
key = ID2P(LANG_SHORTCUTS);
}