[quickjs] implementation.c

2024-12-04 14:46:47 -05:00 · 2021-10-30 19:19:39 +02:00 · 2021-10-30 19:19:39 +02:00 · 307ec0d173
commit 307ec0d173
parent e15d58dfd1
3 changed files with 151 additions and 1 deletions
--- a/src/ecmascript/quickjs/implementation.c
+++ b/src/ecmascript/quickjs/implementation.c
@ -0,0 +1,139 @@
+/* The QuickJS domimplementation object. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "elinks.h"
+
+#include "ecmascript/ecmascript.h"
+//#include "ecmascript/quickjs/document.h"
+#include "ecmascript/quickjs/implementation.h"
+#include "util/conv.h"
+
+#include <libxml/HTMLparser.h>
+#include <libxml++/libxml++.h>
+
+#define countof(x) (sizeof(x) / sizeof((x)[0]))
+
+static JSClassID js_implementation_class_id;
+
+JSValue
+getDocument(JSContext *ctx, void *doc)
+{
+	// placeholder
+	return JS_NULL;
+}
+
+static JSValue
+js_implementation_createHTMLDocument(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	if (argc != 1) {
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
+#endif
+		return JS_UNDEFINED;
+	}
+	size_t len;
+	const char *title = JS_ToCStringLen(ctx, &len, argv[0]);
+
+	if (!title) {
+		return JS_EXCEPTION;
+	}
+	struct string str;
+
+	if (!init_string(&str)) {
+		JS_FreeCString(ctx, title);
+
+		return JS_NULL;
+	}
+	add_to_string(&str, "<!doctype html>\n<html><head><title>");
+	add_html_to_string(&str, title, len);
+	add_to_string(&str, "</title></head><body></body></html>");
+
+	// Parse HTML and create a DOM tree
+	xmlDoc* doc = htmlReadDoc((xmlChar*)str.source, NULL, "utf-8",
+	HTML_PARSE_RECOVER | HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING);
+	// Encapsulate raw libxml document in a libxml++ wrapper
+	xmlpp::Document *docu = new xmlpp::Document(doc);
+	done_string(&str);
+	JS_FreeCString(ctx, title);
+
+	return getDocument(ctx, docu);
+}
+
+static const JSCFunctionListEntry js_implementation_proto_funcs[] = {
+	JS_CFUNC_DEF("createHTMLDocument", 1, js_implementation_createHTMLDocument),
+};
+
+static JSClassDef js_implementation_class = {
+	"implementation",
+};
+
+static JSValue
+js_implementation_ctor(JSContext *ctx, JSValueConst new_target, int argc, JSValueConst *argv)
+{
+	JSValue obj = JS_UNDEFINED;
+	JSValue proto;
+	/* using new_target to get the prototype is necessary when the
+	 class is extended. */
+	proto = JS_GetPropertyStr(ctx, new_target, "prototype");
+
+	if (JS_IsException(proto)) {
+		goto fail;
+	}
+	obj = JS_NewObjectProtoClass(ctx, proto, js_implementation_class_id);
+	JS_FreeValue(ctx, proto);
+
+	if (JS_IsException(obj)) {
+		goto fail;
+	}
+	return obj;
+
+fail:
+	JS_FreeValue(ctx, obj);
+	return JS_EXCEPTION;
+}
+
+int
+js_implementation_init(JSContext *ctx, JSValue global_obj)
+{
+	JSValue implementation_proto, implementation_class;
+
+	/* create the implementation class */
+	JS_NewClassID(&js_implementation_class_id);
+	JS_NewClass(JS_GetRuntime(ctx), js_implementation_class_id, &js_implementation_class);
+
+	implementation_proto = JS_NewObject(ctx);
+	JS_SetPropertyFunctionList(ctx, implementation_proto, js_implementation_proto_funcs, countof(js_implementation_proto_funcs));
+
+	implementation_class = JS_NewCFunction2(ctx, js_implementation_ctor, "implementation", 0, JS_CFUNC_constructor, 0);
+	/* set proto.constructor and ctor.prototype */
+	JS_SetConstructor(ctx, implementation_class, implementation_proto);
+	JS_SetClassProto(ctx, js_implementation_class_id, implementation_proto);
+
+	JS_SetPropertyStr(ctx, global_obj, "implementation", implementation_proto);
+	return 0;
+}
+
+JSValue
+getImplementation(JSContext *ctx)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	JSValue implementation_obj = JS_NewObject(ctx);
+	JS_SetPropertyFunctionList(ctx, implementation_obj, js_implementation_proto_funcs, countof(js_implementation_proto_funcs));
+//	implementation_class = JS_NewCFunction2(ctx, js_implementation_ctor, "implementation", 0, JS_CFUNC_constructor, 0);
+//	JS_SetConstructor(ctx, implementation_class, implementation_obj);
+	JS_SetClassProto(ctx, js_implementation_class_id, implementation_obj);
+
+	return implementation_obj;
+}
--- a/src/ecmascript/quickjs/implementation.h
+++ b/src/ecmascript/quickjs/implementation.h
@ -0,0 +1,11 @@
+#ifndef EL__ECMASCRIPT_QUICKJS_IMPLEMENTATION_H
+#define EL__ECMASCRIPT_QUICKJS_IMPLEMENTATION_H
+
+#include <quickjs/quickjs.h>
+
+JSValue getImplementation(JSContext *ctx);
+
+#endif
+
+
+
--- a/src/ecmascript/quickjs/meson.build
+++ b/src/ecmascript/quickjs/meson.build
@ -1 +1 @@
-srcs += files('attr.c', 'attributes.c', 'collection.c', 'console.c', 'element.c', 'history.c', 'localstorage.c', 'location.c', 'navigator.c', 'nodelist.c', 'screen.c', 'unibar.c', 'window.c')
+srcs += files('attr.c', 'attributes.c', 'collection.c', 'console.c', 'element.c', 'history.c', 'implementation.c', 'localstorage.c', 'location.c', 'navigator.c', 'nodelist.c', 'screen.c', 'unibar.c', 'window.c')