[quickjs] attr.c

src/ecmascript/quickjs/attr.c

@@ -0,0 +1,179 @@
+/* The QuickJS attr object implementation. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "elinks.h"
+
+#include "bfu/dialog.h"
+#include "cache/cache.h"
+#include "cookies/cookies.h"
+#include "dialogs/menu.h"
+#include "dialogs/status.h"
+#include "document/html/frames.h"
+#include "document/document.h"
+#include "document/forms.h"
+#include "document/view.h"
+#include "ecmascript/ecmascript.h"
+#include "ecmascript/quickjs/attr.h"
+#include "intl/libintl.h"
+#include "main/select.h"
+#include "osdep/newwin.h"
+#include "osdep/sysname.h"
+#include "protocol/http/http.h"
+#include "protocol/uri.h"
+#include "session/history.h"
+#include "session/location.h"
+#include "session/session.h"
+#include "session/task.h"
+#include "terminal/tab.h"
+#include "terminal/terminal.h"
+#include "util/conv.h"
+#include "util/memory.h"
+#include "util/string.h"
+#include "viewer/text/draw.h"
+#include "viewer/text/form.h"
+#include "viewer/text/link.h"
+#include "viewer/text/vs.h"
+
+#include <libxml/tree.h>
+#include <libxml/HTMLparser.h>
+#include <libxml++/libxml++.h>
+#include <libxml++/attributenode.h>
+#include <libxml++/parsers/domparser.h>
+
+#include <iostream>
+#include <algorithm>
+#include <string>
+
+#define countof(x) (sizeof(x) / sizeof((x)[0]))
+
+static JSClassID js_attr_class_id;
+
+static JSValue
+js_attr_get_property_name(JSContext *ctx, JSValueConst this_val, int magic)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
+	struct view_state *vs = interpreter->vs;
+
+	if (!vs) {
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
+#endif
+		return JS_EXCEPTION;
+	}
+
+	xmlpp::AttributeNode *attr = JS_GetOpaque(this_val, js_attr_class_id);
+
+	if (!attr) {
+		return JS_NULL;
+	}
+
+	xmlpp::ustring v = attr->get_name();
+
+	return JS_NewString(ctx, v.c_str());
+}
+
+static JSValue
+js_attr_get_property_value(JSContext *ctx, JSValueConst this_val, int magic)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
+	struct view_state *vs = interpreter->vs;
+
+	if (!vs) {
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
+#endif
+		return JS_EXCEPTION;
+	}
+
+	xmlpp::AttributeNode *attr = JS_GetOpaque(this_val, js_attr_class_id);
+
+	if (!attr) {
+		return JS_NULL;
+	}
+
+	xmlpp::ustring v = attr->get_value();
+
+	return JS_NewString(ctx, v.c_str());
+}
+
+static const JSCFunctionListEntry js_attr_proto_funcs[] = {
+	JS_CGETSET_MAGIC_DEF("name", js_attr_get_property_name, nullptr, 0),
+	JS_CGETSET_MAGIC_DEF("value", js_attr_get_property_value, nullptr, 0),
+};
+
+static JSClassDef js_attr_class = {
+	"attr",
+};
+
+static JSValue
+js_attr_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_attr_class_id);
+	JS_FreeValue(ctx, proto);
+
+	if (JS_IsException(obj)) {
+		goto fail;
+	}
+	return obj;
+
+fail:
+	JS_FreeValue(ctx, obj);
+	return JS_EXCEPTION;
+}
+
+int
+js_attr_init(JSContext *ctx, JSValue global_obj)
+{
+	JSValue attr_proto, attr_class;
+
+	/* create the attr class */
+	JS_NewClassID(&js_attr_class_id);
+	JS_NewClass(JS_GetRuntime(ctx), js_attr_class_id, &js_attr_class);
+
+	attr_proto = JS_NewObject(ctx);
+	JS_SetPropertyFunctionList(ctx, attr_proto, js_attr_proto_funcs, countof(js_attr_proto_funcs));
+
+	attr_class = JS_NewCFunction2(ctx, js_attr_ctor, "attr", 0, JS_CFUNC_constructor, 0);
+	/* set proto.constructor and ctor.prototype */
+	JS_SetConstructor(ctx, attr_class, attr_proto);
+	JS_SetClassProto(ctx, js_attr_class_id, attr_proto);
+
+	JS_SetPropertyStr(ctx, global_obj, "attr", attr_proto);
+	return 0;
+}
+
+JSValue
+getAttr(JSContext *ctx, void *node)
+{
+	JSValue attr_obj = JS_NewObject(ctx);
+	JS_SetPropertyFunctionList(ctx, attr_obj, js_attr_proto_funcs, countof(js_attr_proto_funcs));
+//	attr_class = JS_NewCFunction2(ctx, js_attr_ctor, "attr", 0, JS_CFUNC_constructor, 0);
+//	JS_SetConstructor(ctx, attr_class, attr_obj);
+//	JS_SetClassProto(ctx, js_attr_class_id, attr_obj);
+
+	JS_SetOpaque(attr_obj, node);
+
+	return attr_obj;
+}

src/ecmascript/quickjs/attr.h

@@ -0,0 +1,8 @@
+#ifndef EL__ECMASCRIPT_QUICKJS_ATTR_H
+#define EL__ECMASCRIPT_QUICKJS_ATTR_H
+
+#include <quickjs/quickjs.h>
+
+JSValue getAttr(JSContext *ctx, void *node);
+
+#endif

src/ecmascript/quickjs/meson.build

@@ -1 +1 @@
-srcs += files('console.c', 'history.c', 'location.c', 'navigator.c', 'screen.c', 'unibar.c', 'window.c')
+srcs += files('attr.c', 'console.c', 'history.c', 'location.c', 'navigator.c', 'screen.c', 'unibar.c', 'window.c')