2010-08-08 08:05:54 +02:00
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/* vi: set ts=2:
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+-------------------+
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| | Enno Rehling <enno@eressea.de>
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| Eressea PBEM host | Christian Schlittchen <corwin@amber.kn-bremen.de>
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| (c) 1998 - 2008 | Katja Zedel <katze@felidae.kn-bremen.de>
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| | Henning Peters <faroul@beyond.kn-bremen.de>
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+-------------------+
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This program may not be used, modified or distributed
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without prior permission by the authors of Eressea.
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*/
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#include <platform.h>
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#include <kernel/types.h>
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#include "bind_storage.h"
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#include <util/storage.h>
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#include <kernel/save.h>
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#include <kernel/textstore.h>
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#include <kernel/binarystore.h>
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#include <math.h>
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#include <lua.h>
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#include <tolua.h>
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static int
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tolua_storage_create(lua_State* L)
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{
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const char * filename = tolua_tostring(L, 1, 0);
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const char * type = tolua_tostring(L, 2, "rb");
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storage * store = 0;
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int mode = IO_READ;
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if (strchr(type, 't')) {
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store = malloc(sizeof(text_store));
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memcpy(store, &text_store, sizeof(text_store));
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} else {
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store = malloc(sizeof(binary_store));
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memcpy(store, &binary_store, sizeof(binary_store));
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}
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if (strchr(type, 'r')) mode = IO_READ;
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if (strchr(type, 'w')) mode = IO_WRITE;
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store->open(store, filename, mode);
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tolua_pushusertype(L, (void*)store, TOLUA_CAST "storage");
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return 1;
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}
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static int
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tolua_storage_read_unit(lua_State *L)
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{
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storage * self = (storage *)tolua_tousertype(L, 1, 0);
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struct unit * u = read_unit(self);
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tolua_pushusertype(L, (void*)u, TOLUA_CAST "unit");
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return 1;
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}
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static int
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tolua_storage_write_unit(lua_State *L)
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{
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storage * self = (storage *)tolua_tousertype(L, 1, 0);
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struct unit * u = (struct unit *)tolua_tousertype(L, 2, 0);
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write_unit(self, u);
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return 0;
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}
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static int
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tolua_storage_read_float(lua_State *L)
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{
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storage * self = (storage *)tolua_tousertype(L, 1, 0);
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float num = self->r_flt(self);
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tolua_pushnumber(L, (lua_Number)num);
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return 1;
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}
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static int
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tolua_storage_read_int(lua_State *L)
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{
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storage * self = (storage *)tolua_tousertype(L, 1, 0);
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int num = self->r_int(self);
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tolua_pushnumber(L, (lua_Number)num);
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return 1;
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}
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static int
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tolua_storage_write(lua_State *L)
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{
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storage * self = (storage *)tolua_tousertype(L, 1, 0);
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if (tolua_isnumber(L, 2, 0, 0)) {
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lua_Number num = tolua_tonumber(L, 2, 0);
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double n;
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if (modf(num, &n)==0.0) {
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self->w_int(self, (int)num);
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} else {
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self->w_flt(self, (float)num);
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}
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}
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return 0;
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}
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static int
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tolua_storage_tostring(lua_State *L)
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{
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storage * self = (storage *)tolua_tousertype(L, 1, 0);
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char name[64];
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snprintf(name, sizeof(name), "<storage enc=%d ver=%d>", self->encoding, self->version);
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lua_pushstring(L, name);
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return 1;
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}
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static int
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tolua_storage_close(lua_State *L)
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{
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storage * self = (storage *)tolua_tousertype(L, 1, 0);
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self->close(self);
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return 0;
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}
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void
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tolua_storage_open(lua_State* L)
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{
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/* register user types */
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tolua_usertype(L, TOLUA_CAST "storage");
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tolua_module(L, NULL, 0);
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tolua_beginmodule(L, NULL);
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{
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tolua_cclass(L, TOLUA_CAST "storage", TOLUA_CAST "storage", TOLUA_CAST "", NULL);
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tolua_beginmodule(L, TOLUA_CAST "storage");
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{
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tolua_function(L, TOLUA_CAST "__tostring", tolua_storage_tostring);
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tolua_function(L, TOLUA_CAST "write", tolua_storage_write);
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tolua_function(L, TOLUA_CAST "read_int", tolua_storage_read_int);
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tolua_function(L, TOLUA_CAST "read_float", tolua_storage_read_float);
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tolua_function(L, TOLUA_CAST "write_unit", tolua_storage_write_unit);
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tolua_function(L, TOLUA_CAST "read_unit", tolua_storage_read_unit);
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tolua_function(L, TOLUA_CAST "close", tolua_storage_close);
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tolua_function(L, TOLUA_CAST "create", tolua_storage_create);
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}
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tolua_endmodule(L);
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}
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tolua_endmodule(L);
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}
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