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* add IO lib (adapted to Rockbox)
 * remove old IO wrappers
 * rework helloworld.lua to work with the IO lib
 * do some stuff in helloworld.lua better (part of FS#10379, by James Callahan)


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21541 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-06-28 14:55:16 +00:00
parent 8e4098bd66
commit 681ca21a1e
5 changed files with 512 additions and 143 deletions
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100
apps/plugins/lua/rocklib.c
View file

@ -685,62 +685,6 @@ RB_WRAP(backlight_set_brightness)
}
#endif
RB_WRAP(open)
{
const char* pathname = luaL_checkstring(L, 1);
int flags = luaL_checkint(L, 2);
int result = rb->open(pathname, flags);
lua_pushinteger(L, result);
return 1;
}
RB_WRAP(close)
{
int fd = luaL_checkint(L, 1);
int result = rb->close(fd);
lua_pushinteger(L, result);
return 1;
}
RB_WRAP(read)
{
size_t len, n, result = 0;
luaL_Buffer b;
int fd = luaL_checkint(L, 1);
size_t count = luaL_checkint(L, 2);
luaL_buffinit(L, &b);
len = LUAL_BUFFERSIZE;
do
{
char *p = luaL_prepbuffer(&b);
if (len > count)
len = count;
n = rb->read(fd, p, len);
luaL_addsize(&b, n);
count -= n;
result += n;
} while (count > 0 && n == len);
luaL_pushresult(&b); /* close buffer */
lua_pushinteger(L, result);
return 2;
}
RB_WRAP(lseek)
{
int fd = luaL_checkint(L, 1);
off_t offset = luaL_checkint(L, 2);
int whence = luaL_checkint(L, 3);
off_t result = rb->lseek(fd, offset, whence);
lua_pushinteger(L, result);
return 1;
}
RB_WRAP(creat)
{
const char* pathname = luaL_checkstring(L, 1);
@ -749,16 +693,6 @@ RB_WRAP(creat)
return 1;
}
RB_WRAP(write)
{
size_t count;
int fd = luaL_checkint(L, 1);
void* buf = (void*)luaL_checklstring(L, 2, &count);
ssize_t result = rb->write(fd, buf, count);
lua_pushinteger(L, result);
return 1;
}
RB_WRAP(remove)
{
const char* pathname = luaL_checkstring(L, 1);
@ -776,23 +710,6 @@ RB_WRAP(rename)
return 1;
}
RB_WRAP(ftruncate)
{
int fd = luaL_checkint(L, 1);
off_t length = luaL_checkint(L, 2);
int result = rb->ftruncate(fd, length);
lua_pushinteger(L, result);
return 1;
}
RB_WRAP(filesize)
{
int fd = luaL_checkint(L, 1);
off_t result = rb->filesize(fd);
lua_pushinteger(L, result);
return 1;
}
RB_WRAP(file_exists)
{
const char* path = luaL_checkstring(L, 1);
@ -940,16 +857,9 @@ static const luaL_Reg rocklib[] =
#endif
/* File handling */
R(open),
R(close),
R(read),
R(lseek),
R(creat),
R(write),
R(remove),
R(rename),
R(ftruncate),
R(filesize),
R(file_exists),
/* Kernel */
@ -1008,16 +918,6 @@ LUALIB_API int luaopen_rock(lua_State *L)
RB_CONSTANT(LCD_WIDTH);
RB_CONSTANT(LCD_HEIGHT);
RB_CONSTANT(O_RDONLY);
RB_CONSTANT(O_WRONLY);
RB_CONSTANT(O_RDWR);
RB_CONSTANT(O_CREAT);
RB_CONSTANT(O_APPEND);
RB_CONSTANT(O_TRUNC);
RB_CONSTANT(SEEK_SET);
RB_CONSTANT(SEEK_CUR);
RB_CONSTANT(SEEK_END);
RB_CONSTANT(FONT_SYSFIXED);
RB_CONSTANT(FONT_UI);