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/* binding output generator for jsapi(spidermonkey) to libdom
*
* This file is part of nsgenjsbind.
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license.php
* Copyright 2012 Vincent Sanders <vince@netsurf-browser.org>
*/
#include <stdbool.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include "options.h"
#include "genjsbind-ast.h"
#include "webidl-ast.h"
#include "jsapi-libdom.h"
#define HDR_COMMENT_SEP "\n * "
#define HDR_COMMENT_PREABLE "Generated by nsgenjsapi"
struct binding {
const char *name; /* name of the binding */
const char *interface; /* webidl interface binding is for */
};
static int webidl_preamble_cb(struct genbind_node *node, void *ctx)
{
FILE *outfile = ctx;
char *txt;
txt = genbind_node_gettext(node);
fprintf(outfile, "%s", txt);
return 0;
}
static int
output_preamble(FILE *outfile, struct genbind_node *genbind_ast)
{
genbind_node_for_each_type(genbind_ast,
GENBIND_NODE_TYPE_PREAMBLE,
webidl_preamble_cb,
outfile);
return 0;
}
static int webidl_hdrcomments_cb(struct genbind_node *node, void *ctx)
{
FILE *outfile = ctx;
char *txt;
txt = genbind_node_gettext(node);
fprintf(outfile, HDR_COMMENT_SEP"%s",txt);
return 0;
}
static int webidl_hdrcomment_cb(struct genbind_node *node, void *ctx)
{
genbind_node_for_each_type(genbind_node_getnode(node),
GENBIND_NODE_TYPE_STRING,
webidl_hdrcomments_cb,
ctx);
return 0;
}
static int
output_header_comments(FILE *outfile, struct genbind_node *genbind_ast)
{
fprintf(outfile, "/* "HDR_COMMENT_PREABLE);
genbind_node_for_each_type(genbind_ast,
GENBIND_NODE_TYPE_HDRCOMMENT,
webidl_hdrcomment_cb,
outfile);
fprintf(outfile,"\n */\n\n");
return 0;
}
static int webidl_file_cb(struct genbind_node *node, void *ctx)
{
struct webidl_node **webidl_ast = ctx;
char *filename;
filename = genbind_node_gettext(node);
return webidl_parsefile(filename, webidl_ast);
}
static int
read_webidl(struct genbind_node *genbind_ast, struct webidl_node **webidl_ast)
{
int res;
res = genbind_node_for_each_type(genbind_ast,
GENBIND_NODE_TYPE_WEBIDLFILE,
webidl_file_cb,
webidl_ast);
/* debug dump of web idl AST */
if (options->verbose) {
webidl_ast_dump(*webidl_ast, 0);
}
return res;
}
static int
output_function_spec(FILE *outfile,
struct genbind_node *genbind_ast,
struct binding *binding)
{
fprintf(outfile, "%s\n%s\n", binding->name, binding->interface);
return 0;
}
static struct binding *binding_new(struct genbind_node *genbind_ast)
{
struct binding *nb;
struct genbind_node *binding_node;
struct genbind_node *ident_node;
struct genbind_node *interface_node;
binding_node = genbind_node_find(genbind_ast,
NULL,
genbind_cmp_node_type,
(void *)GENBIND_NODE_TYPE_BINDING);
if (binding_node == NULL) {
return NULL;
}
ident_node = genbind_node_find(genbind_node_getnode(binding_node),
NULL,
genbind_cmp_node_type,
(void *)GENBIND_NODE_TYPE_IDENT);
if (ident_node == NULL) {
return NULL;
}
interface_node = genbind_node_find(genbind_node_getnode(binding_node),
NULL,
genbind_cmp_node_type,
(void *)GENBIND_NODE_TYPE_TYPE_INTERFACE);
if (interface_node == NULL) {
return NULL;
}
nb = calloc(1, sizeof(struct binding));
nb->name = genbind_node_gettext(ident_node);
nb->interface = genbind_node_gettext(interface_node);
return nb;
}
int jsapi_libdom_output(char *outfilename, struct genbind_node *genbind_ast)
{
FILE *outfile = NULL;
struct webidl_node *webidl_ast = NULL;
int res;
struct binding *binding;
/* walk ast and load any web IDL files required */
res = read_webidl(genbind_ast, &webidl_ast);
if (res != 0) {
fprintf(stderr, "Error reading Web IDL files\n");
return 5;
}
/* get general binding information used in output */
binding = binding_new(genbind_ast);
/* open output file */
if (outfilename == NULL) {
outfile = stdout;
} else {
outfile = fopen(outfilename, "w");
}
if (!outfile) {
fprintf(stderr, "Error opening output %s: %s\n",
outfilename,
strerror(errno));
return 4;
}
output_header_comments(outfile, genbind_ast);
output_preamble(outfile, genbind_ast);
output_function_spec(outfile, genbind_ast, binding);
//output_property_spec(outfile, genbind_ast);
fclose(outfile);
return 0;
}
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