[libdom,quickjs] attr

src/ecmascript/ecmascript.h

@@ -40,6 +40,7 @@
 extern "C" {
 #endif
 
+struct document;
 struct document_view;
 struct form_state;
 struct form_view;

src/ecmascript/libdom/Makefile

@@ -2,6 +2,8 @@ top_builddir=../../..
 include $(top_builddir)/Makefile.config
 INCLUDES += $(LIBDOM_CFLAGS)
 
+SUBDIRS-$(CONFIG_QUICKJS)	+= quickjs
+
 OBJS = parse.o
 
 include $(top_srcdir)/Makefile.lib

src/ecmascript/libdom/meson.build

@@ -1,2 +1,6 @@
+if conf_data.get('CONFIG_QUICKJS')
+	subdir('quickjs')
+endif
+
 srcs += files('parse.c')
 

src/ecmascript/libdom/quickjs/Makefile

@@ -0,0 +1,6 @@
+top_builddir=../../../..
+include $(top_builddir)/Makefile.config
+
+OBJS = attr.o mapa.obj
+
+include $(top_srcdir)/Makefile.lib

src/ecmascript/libdom/quickjs/attr.c

@@ -0,0 +1,165 @@
+/* The QuickJS attr object implementation. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+
+#ifdef CONFIG_LIBDOM
+#include <dom/dom.h>
+#include <dom/bindings/hubbub/parser.h>
+#endif
+
+#include "elinks.h"
+
+#include "ecmascript/ecmascript.h"
+#include "ecmascript/libdom/quickjs/mapa.h"
+#include "ecmascript/quickjs.h"
+
+#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)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+
+	REF_JS(this_val);
+
+	struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
+	struct view_state *vs = interpreter->vs;
+	dom_string *name = NULL;
+	dom_exception err;
+	JSValue r;
+
+	if (!vs) {
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
+#endif
+		return JS_EXCEPTION;
+	}
+
+	dom_attr *attr = (dom_attr *)(JS_GetOpaque(this_val, js_attr_class_id));
+
+	if (!attr) {
+		return JS_NULL;
+	}
+
+	err = dom_attr_get_name(attr, &name);
+	if (err != DOM_NO_ERR || name == NULL) {
+		return JS_NULL;
+	}
+
+	r = JS_NewStringLen(ctx, dom_string_data(name), dom_string_length(name));
+	dom_string_unref(name);
+
+	RETURN_JS(r);
+}
+
+static JSValue
+js_attr_get_property_value(JSContext *ctx, JSValueConst this_val)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	REF_JS(this_val);
+	struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
+	struct view_state *vs = interpreter->vs;
+	dom_string *value = NULL;
+	dom_exception err;
+	JSValue r;
+
+	if (!vs) {
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
+#endif
+		return JS_EXCEPTION;
+	}
+
+	dom_attr *attr = (dom_attr *)(JS_GetOpaque(this_val, js_attr_class_id));
+
+	if (!attr) {
+		return JS_NULL;
+	}
+	err = dom_attr_get_value(attr, &value);
+
+	if (err != DOM_NO_ERR || value == NULL) {
+		return JS_NULL;
+	}
+	r = JS_NewStringLen(ctx, dom_string_data(value), dom_string_length(value));
+	dom_string_unref(value);
+
+	RETURN_JS(r);
+}
+
+static JSValue
+js_attr_toString(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	REF_JS(this_val);
+	return JS_NewString(ctx, "[attr object]");
+}
+
+static const JSCFunctionListEntry js_attr_proto_funcs[] = {
+	JS_CGETSET_DEF("name", js_attr_get_property_name, NULL),
+	JS_CGETSET_DEF("value", js_attr_get_property_value, NULL),
+	JS_CFUNC_DEF("toString", 0, js_attr_toString)
+};
+
+static void *map_attrs;
+
+static
+void js_attr_finalizer(JSRuntime *rt, JSValue val)
+{
+	REF_JS(val);
+	void *node = JS_GetOpaque(val, js_attr_class_id);
+
+	attr_erase_from_map(map_attrs, node);
+}
+
+static JSClassDef js_attr_class = {
+	"attr",
+	js_attr_finalizer
+};
+
+JSValue
+getAttr(JSContext *ctx, void *node)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	JSValue second = JS_NULL;
+	static int initialized;
+	/* create the element class */
+	if (!initialized) {
+		JS_NewClassID(&js_attr_class_id);
+		JS_NewClass(JS_GetRuntime(ctx), js_attr_class_id, &js_attr_class);
+		map_attrs = attr_create_new_attrs_map();
+		initialized = 1;
+	}
+	second = attr_find_in_map(map_attrs, node);
+
+	if (!JS_IsNull(second)) {
+		JSValue r = JS_DupValue(ctx, second);
+
+		RETURN_JS(r);
+	}
+
+	JSValue attr_obj = JS_NewObjectClass(ctx, js_attr_class_id);
+
+	JS_SetPropertyFunctionList(ctx, attr_obj, js_attr_proto_funcs, countof(js_attr_proto_funcs));
+	JS_SetClassProto(ctx, js_attr_class_id, attr_obj);
+	JS_SetOpaque(attr_obj, node);
+
+	attr_save_in_map(map_attrs, node, attr_obj);
+
+	JSValue rr = JS_DupValue(ctx, attr_obj);
+
+	RETURN_JS(rr);
+}

src/ecmascript/libdom/quickjs/mapa.cpp

@@ -0,0 +1,54 @@
+/* map temporary file */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <cstddef>
+#include <map>
+#include "ecmascript/libdom/quickjs/mapa.h"
+
+void
+attr_save_in_map(void *m, void *node, JSValueConst value)
+{
+	std::map<void *, JSValueConst> *mapa = static_cast<std::map<void *, JSValueConst> *>(m);
+	(*mapa)[node] = value;
+}
+
+void *
+attr_create_new_attrs_map(void)
+{
+	std::map<void *, JSValueConst> *mapa = new std::map<void *, JSValueConst>;
+
+	return (void *)mapa;
+}
+
+void
+attr_clear_map(void *m)
+{
+	std::map<void *, JSValueConst> *mapa = static_cast<std::map<void *, JSValueConst> *>(m);
+	mapa->clear();
+}
+
+JSValue
+attr_find_in_map(void *m, void *node)
+{
+	std::map<void *, JSValueConst> *mapa = static_cast<std::map<void *, JSValueConst> *>(m);
+
+	if (!mapa) {
+		return JS_NULL;
+	}
+	auto value = (*mapa).find(node);
+
+	if (value == (*mapa).end()) {
+		return JS_NULL;
+	}
+	return value->second;
+}
+
+void
+attr_erase_from_map(void *m, void *node)
+{
+	std::map<void *, JSValueConst> *mapa = static_cast<std::map<void *, JSValueConst> *>(m);
+	mapa->erase(node);
+}

src/ecmascript/libdom/quickjs/mapa.h

@@ -0,0 +1,20 @@
+#ifndef EL__DOCUMENT_ECMASCRIPT_LIBDOM_QUICKJS_MAPA_H
+#define EL__DOCUMENT_ECMASCRIPT_LIBDOM_QUICKJS_MAPA_H
+
+#include <quickjs/quickjs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void attr_save_in_map(void *m, void *node, JSValueConst value);
+void *attr_create_new_attrs_map(void);
+void attr_clear_map(void *m);
+JSValue attr_find_in_map(void *m, void *node);
+void attr_erase_from_map(void *m, void *node);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

src/ecmascript/libdom/quickjs/meson.build

@@ -0,0 +1 @@
+srcs += files('attr.c', 'mapa.cpp')

src/ecmascript/quickjs.h

@@ -45,7 +45,7 @@ int quickjs_eval_boolback(struct ecmascript_interpreter *interpreter, struct str
 
 void quickjs_call_function(struct ecmascript_interpreter *interpreter, JSValueConst fun, struct string *ret);
 
-#ifndef JS_NAN_BOXING
+#if !defined(JS_NAN_BOXING) && defined(__cplusplus)
 inline int operator<(JSValueConst a, JSValueConst b)
 {
 	return JS_VALUE_GET_PTR(a) < JS_VALUE_GET_PTR(b);

src/ecmascript/quickjs/attr.cpp

@@ -54,6 +54,8 @@
 
 #define countof(x) (sizeof(x) / sizeof((x)[0]))
 
+#ifndef CONFIG_LIBDOM
+
 static JSClassID js_attr_class_id;
 
 static JSValue
@@ -184,3 +186,4 @@ getAttr(JSContext *ctx, void *node)
 
 	RETURN_JS(rr);
 }
+#endif

src/ecmascript/quickjs/attr.h

@@ -3,6 +3,14 @@
 
 #include <quickjs/quickjs.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 JSValue getAttr(JSContext *ctx, void *node);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif