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Diffstat (limited to 'io/param.c')
-rw-r--r--io/param.c47
1 files changed, 43 insertions, 4 deletions
diff --git a/io/param.c b/io/param.c
index de6ba7a..dbd1438 100644
--- a/io/param.c
+++ b/io/param.c
@@ -1,5 +1,6 @@
#include <stdio.h>
#include <ctype.h>
+#include <string.h>
#include "../common.h"
#include "param.h"
@@ -57,9 +58,14 @@ const char *read_param_metadata(lua_State *L, FILE *fp, const char *fn) {
return buff;
}
-int nerv_param_file_new(lua_State *L) {
+int nerv_param_file_open_write(lua_State *L, const char *fn) {
+ FILE *fp = fopen(fn, "w");
+ if (!fp) nerv_error(L, "Error while opening param file: %s", fn);
+ lua_newtable(L);
+ return 1;
+}
- const char *fn = luaL_checkstring(L, 1);
+int nerv_param_file_open_read(lua_State *L, const char *fn) {
FILE *fp = fopen(fn, "r");
int i, status;
size_t param_len;
@@ -69,7 +75,6 @@ int nerv_param_file_new(lua_State *L) {
if (!fp) nerv_error(L, "Error while opening param file: %s", fn);
offset = ftello(fp);
lua_newtable(L);
- lua_newtable(L);
fprintf(stderr, "%d\n", (int)offset);
for (i = 0;; offset += param_len, i++)
{
@@ -106,6 +111,40 @@ int nerv_param_file_new(lua_State *L) {
return 1;
}
+int nerv_param_file___init(lua_State *L) {
+ const char *fn = luaL_checkstring(L, 2);
+ const char *mode = luaL_checkstring(L, 3);
+ int rd = 1, bin = 0;
+ size_t i, len = strlen(mode);
+ lua_pushvalue(L, 1);
+ for (i = 0; i < len; i++)
+ switch (mode[i])
+ {
+ case 'r': rd = 1; break;
+ case 'w': rd = 0; break;
+ case 'b': bin = 1; break;
+ }
+ return rd ? nerv_param_file_open_read(L, fn) : \
+ nerv_param_file_open_write(L, fn);
+}
+
+int nerv_param_file_new(lua_State *L) {
+ const char *fn = luaL_checkstring(L, 1);
+ const char *mode = luaL_checkstring(L, 2);
+ int rd = 1, bin = 0;
+ size_t i, len = strlen(mode);
+ for (i = 0; i < len; i++)
+ switch (mode[i])
+ {
+ case 'r': rd = 1; break;
+ case 'w': rd = 0; break;
+ case 'b': bin = 1; break;
+ }
+ lua_newtable(L);
+ return rd ? nerv_param_file_open_read(L, fn) : \
+ nerv_param_file_open_write(L, fn);
+}
+
int nerv_param_file_get_chunkdata(lua_State *L) {
ParamFileHandle *pfh;
ParamChunkInfo *pci;
@@ -124,7 +163,6 @@ int nerv_param_file_get_chunkdata(lua_State *L) {
luaT_pushudata(L, get_param_chunk_data(pfh->fp, pci),
nerv_param_chunk_data_tname);
- lua_setfield(L, -2, "data");
return 1;
}
@@ -152,6 +190,7 @@ static int nerv_param_chunk_data_destroy(lua_State *L) {
static const luaL_Reg nerv_param_file_methods[] = {
{"get_chunkdata", nerv_param_file_get_chunkdata},
+ {"__init", nerv_param_file___init},
{NULL, NULL}
};