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/* c-basic-offset: 2; tab-width: 2; indent-tabs-mode: nil
* vi: set shiftwidth=2 tabstop=2 expandtab:
* :indentSize=2:tabSize=2:noTabs=true:
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "game_utils.h"
#include "JSParser.h"
/*
* This file, as the rest of the project is under MIT license.
* see http://opensource.org/licenses/MIT
*
* Author Gustav Hartvigsson <gustav.hartvigsson _at_ gmail.com> 2014
*/
/* Js/C function declarations. */
int js_print_error (duk_context * ctx);
/******************************************************************************/
GameJSParser * game_js_parser_new (Game * game,
char * file_name,
char * script) {
GameJSParser * self = malloc (sizeof(GameJSParser));
if (file_name != NULL && script != NULL) {
print_error (
"You can not use both a script and a file when creating a GameJSParser.\n"
"Exacly ONE of these must be used."
);
goto error;
} else if (file_name == NULL && script == NULL) {
print_error (
"WARNING: No script or file is set when constructing GameJSParser"
);
}
/* Functions to be added to the environment,
* realised at the end of this file.
*/
const duk_function_list_entry js_funcs[] = {
{"print_error", js_print_error, 1},
{NULL,NULL,0}
};
duk_put_function_list (self->ctx, -1, js_funcs);
/* Set some stuffs and evaluates the scripts */
if (file_name) {
self->file_name = file_name;
duk_eval_file (self->ctx, self->file_name);
duk_pop (self->ctx);
}
if (script) {
self->script = script;
duk_eval_string (self->ctx, self->script);
duk_pop (self->ctx);
}
self->ctx = duk_create_heap_default ();
if (!self->ctx) {
print_error ("Could not Initialise Duktape Context.");
goto error;
}
self->game = game;
return self;
error:
game_js_parser_free (self);
return NULL;
}
void game_js_parser_free (GameJSParser * self) {
duk_destroy_heap(self->ctx);
if (strlen (self->file_name)) {
free (self->file_name);
}
if (strlen (self->script)) {
free (self->script);
}
free (self);
}
void game_js_parser_set_settings_loader (GameJSParser * self,
GameJSParserLoadDataFunc func) {
self->load_data_func = func;
}
void game_js_parser_set_settings_dump (GameJSParser * self,
GameJSParserDumpDataFunc func) {
self->dump_data_func = func;
}
void game_js_parser_load_settings (GameJSParser * self, void * data) {
GameJSParserLoadDataFunc func = self->load_data_func;
func (self, data);
}
void * game_js_parser_dump_settings (GameJSParser * self) {
GameJSParserDumpDataFunc func = self->dump_data_func;
return func (self);
}
void game_js_parser_run (GameJSParser * self) {
}
/******************************************************************************/
int js_print_error (duk_context * ctx) {
/* function print_error (str) */
const char * buf = duk_get_string (ctx, 0);
if (buf) {
print_error (buf);
return 0;
}
return -1;
}
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