2021-10-30 13:19:39 -04:00
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/* The QuickJS domimplementation object. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "elinks.h"
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#include "ecmascript/ecmascript.h"
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2021-11-20 11:29:00 -05:00
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#include "ecmascript/quickjs.h"
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2021-11-04 14:58:57 -04:00
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#include "ecmascript/quickjs/document.h"
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2021-10-30 13:19:39 -04:00
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#include "ecmascript/quickjs/implementation.h"
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#include "util/conv.h"
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#include <libxml/HTMLparser.h>
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#include <libxml++/libxml++.h>
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#define countof(x) (sizeof(x) / sizeof((x)[0]))
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static JSClassID js_implementation_class_id;
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static JSValue
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js_implementation_createHTMLDocument(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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if (argc != 1) {
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
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#endif
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return JS_UNDEFINED;
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}
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size_t len;
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const char *title = JS_ToCStringLen(ctx, &len, argv[0]);
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if (!title) {
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return JS_EXCEPTION;
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}
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struct string str;
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if (!init_string(&str)) {
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JS_FreeCString(ctx, title);
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return JS_NULL;
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}
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add_to_string(&str, "<!doctype html>\n<html><head><title>");
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add_html_to_string(&str, title, len);
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add_to_string(&str, "</title></head><body></body></html>");
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// Parse HTML and create a DOM tree
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xmlDoc* doc = htmlReadDoc((xmlChar*)str.source, NULL, "utf-8",
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HTML_PARSE_RECOVER | HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING);
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// Encapsulate raw libxml document in a libxml++ wrapper
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2021-11-16 11:10:35 -05:00
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xmlpp::Document *docu = new(std::nothrow) xmlpp::Document(doc);
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done_string(&str);
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JS_FreeCString(ctx, title);
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return getDocument(ctx, docu);
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}
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static const JSCFunctionListEntry js_implementation_proto_funcs[] = {
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JS_CFUNC_DEF("createHTMLDocument", 1, js_implementation_createHTMLDocument),
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};
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static JSClassDef js_implementation_class = {
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"implementation",
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};
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static JSValue
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js_implementation_ctor(JSContext *ctx, JSValueConst new_target, int argc, JSValueConst *argv)
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{
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JSValue obj = JS_UNDEFINED;
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JSValue proto;
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/* using new_target to get the prototype is necessary when the
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class is extended. */
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proto = JS_GetPropertyStr(ctx, new_target, "prototype");
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if (JS_IsException(proto)) {
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goto fail;
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}
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obj = JS_NewObjectProtoClass(ctx, proto, js_implementation_class_id);
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JS_FreeValue(ctx, proto);
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if (JS_IsException(obj)) {
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goto fail;
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}
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2021-11-20 11:29:00 -05:00
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RETURN_JS(obj);
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fail:
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JS_FreeValue(ctx, obj);
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return JS_EXCEPTION;
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}
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int
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js_implementation_init(JSContext *ctx, JSValue global_obj)
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{
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JSValue implementation_proto, implementation_class;
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/* create the implementation class */
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JS_NewClassID(&js_implementation_class_id);
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JS_NewClass(JS_GetRuntime(ctx), js_implementation_class_id, &js_implementation_class);
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implementation_proto = JS_NewObject(ctx);
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JS_SetPropertyFunctionList(ctx, implementation_proto, js_implementation_proto_funcs, countof(js_implementation_proto_funcs));
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implementation_class = JS_NewCFunction2(ctx, js_implementation_ctor, "implementation", 0, JS_CFUNC_constructor, 0);
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/* set proto.constructor and ctor.prototype */
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JS_SetConstructor(ctx, implementation_class, implementation_proto);
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JS_SetClassProto(ctx, js_implementation_class_id, implementation_proto);
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JS_SetPropertyStr(ctx, global_obj, "implementation", implementation_proto);
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return 0;
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}
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JSValue
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getImplementation(JSContext *ctx)
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{
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
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#endif
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JSValue implementation_obj = JS_NewObject(ctx);
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JS_SetPropertyFunctionList(ctx, implementation_obj, js_implementation_proto_funcs, countof(js_implementation_proto_funcs));
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// implementation_class = JS_NewCFunction2(ctx, js_implementation_ctor, "implementation", 0, JS_CFUNC_constructor, 0);
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// JS_SetConstructor(ctx, implementation_class, implementation_obj);
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JS_SetClassProto(ctx, js_implementation_class_id, implementation_obj);
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2021-11-20 11:29:00 -05:00
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RETURN_JS(implementation_obj);
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2021-10-30 13:19:39 -04:00
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}
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