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/* duktape and libdom binding generation implementation
*
* This file is part of nsgenbind.
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license.php
* Copyright 2015 Vincent Sanders <vince@netsurf-browser.org>
*/
/**
* \file
* functions that automatically generate binding contents based on heuristics
* with explicit knowledge about libdom and how IDL data types map to it.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <errno.h>
#include <ctype.h>
#include "options.h"
#include "utils.h"
#include "nsgenbind-ast.h"
#include "webidl-ast.h"
#include "ir.h"
#include "duk-libdom.h"
/* exported function documented in duk-libdom.h */
int
output_generated_attribute_getter(FILE* outf,
struct ir_entry *interfacee,
struct ir_attribute_entry *atributee)
{
switch (atributee->base_type) {
case WEBIDL_TYPE_STRING:
fprintf(outf,
"\tdom_exception exc;\n"
"\tdom_string *str;\n"
"\n");
fprintf(outf,
"\texc = dom_%s_get_%s((struct dom_%s *)((node_private_t*)priv)->node, &str);\n",
interfacee->class_name,
atributee->property_name,
interfacee->class_name);
fprintf(outf,
"\tif (exc != DOM_NO_ERR) {\n"
"\t\treturn 0;\n"
"\t}\n"
"\n"
"\tduk_push_lstring(ctx,\n"
"\t\tdom_string_data(str),\n"
"\t\tdom_string_length(str));\n"
"\tdom_string_unref(str);\n"
"\n"
"\treturn 1;\n");
break;
case WEBIDL_TYPE_LONG:
if (atributee->type_modifier == WEBIDL_TYPE_MODIFIER_UNSIGNED) {
fprintf(outf, "\tdom_ulong l;\n");
} else {
fprintf(outf, "\tdom_long l;\n");
}
fprintf(outf,
"\tdom_exception exc;\n"
"\n");
fprintf(outf,
"\texc = dom_%s_get_%s((struct dom_%s *)((node_private_t*)priv)->node, &l);\n",
interfacee->class_name,
atributee->property_name,
interfacee->class_name);
fprintf(outf,
"\tif (exc != DOM_NO_ERR) {\n"
"\t\treturn 0;\n"
"\t}\n"
"\n"
"\tduk_push_number(ctx, (duk_double_t)l);\n"
"\n"
"\treturn 1;\n");
break;
case WEBIDL_TYPE_BOOL:
fprintf(outf,
"\tdom_exception exc;\n"
"\tbool b;\n"
"\n");
fprintf(outf,
"\texc = dom_%s_get_%s((struct dom_%s *)((node_private_t*)priv)->node, &b);\n",
interfacee->class_name,
atributee->property_name,
interfacee->class_name);
fprintf(outf,
"\tif (exc != DOM_NO_ERR) {\n"
"\t\treturn 0;\n"
"\t}\n"
"\n"
"\tduk_push_boolean(ctx, b);\n"
"\n"
"\treturn 1;\n");
break;
default:
return -1;
}
WARN(WARNING_GENERATED,
"Generated: getter %s::%s();",
interfacee->name, atributee->name);
return 0;
}
/* exported function documented in duk-libdom.h */
int
output_generated_attribute_setter(FILE* outf,
struct ir_entry *interfacee,
struct ir_attribute_entry *atributee)
{
switch (atributee->base_type) {
case WEBIDL_TYPE_STRING:
fprintf(outf,
"\tdom_exception exc;\n"
"\tdom_string *str;\n"
"\tduk_size_t slen;\n"
"\tconst char *s;\n"
"\ts = duk_safe_to_lstring(ctx, 0, &slen);\n"
"\n"
"\texc = dom_string_create((const uint8_t *)s, slen, &str);\n"
"\tif (exc != DOM_NO_ERR) {\n"
"\t\treturn 0;\n"
"\t}\n"
"\n");
fprintf(outf,
"\texc = dom_%s_set_%s((struct dom_%s *)((node_private_t*)priv)->node, str);\n",
interfacee->class_name,
atributee->property_name,
interfacee->class_name);
fprintf(outf,
"\tdom_string_unref(str);\n"
"\tif (exc != DOM_NO_ERR) {\n"
"\t\treturn 0;\n"
"\t}\n"
"\n"
"\treturn 0;\n");
break;
case WEBIDL_TYPE_LONG:
if (atributee->type_modifier == WEBIDL_TYPE_MODIFIER_UNSIGNED) {
fprintf(outf,
"\tdom_exception exc;\n"
"\tdom_ulong l;\n"
"\n"
"\tl = duk_get_uint(ctx, 0);\n"
"\n");
} else {
fprintf(outf,
"\tdom_exception exc;\n"
"\tdom_long l;\n"
"\n"
"\tl = duk_get_int(ctx, 0);\n"
"\n");
}
fprintf(outf,
"\texc = dom_%s_set_%s((struct dom_%s *)((node_private_t*)priv)->node, l);\n",
interfacee->class_name,
atributee->property_name,
interfacee->class_name);
fprintf(outf,
"\tif (exc != DOM_NO_ERR) {\n"
"\t\treturn 0;\n"
"\t}\n"
"\n"
"\treturn 0;\n");
break;
case WEBIDL_TYPE_BOOL:
fprintf(outf,
"\tdom_exception exc;\n"
"\tbool b;\n"
"\n"
"\tb = duk_get_boolean(ctx, 0);\n"
"\n");
fprintf(outf,
"\texc = dom_%s_set_%s((struct dom_%s *)((node_private_t*)priv)->node, b);\n",
interfacee->class_name,
atributee->property_name,
interfacee->class_name);
fprintf(outf,
"\tif (exc != DOM_NO_ERR) {\n"
"\t\treturn 0;\n"
"\t}\n"
"\n"
"\treturn 0;\n");
break;
default:
return -1;
}
WARN(WARNING_GENERATED,
"Generated: getter %s::%s();",
interfacee->name, atributee->name);
return 0;
}
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