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[quickjs] htmlCollection
This commit is contained in:
Witold Filipczyk
parent
6de8b3e378
commit
fc031f170b
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@ -155,7 +155,7 @@ js_attributes_item(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst
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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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return JS_EXCEPTION;
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return JS_UNDEFINED;
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}
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int index;
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@ -278,8 +278,6 @@ js_attributes_init(JSContext *ctx, JSValue global_obj)
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return 0;
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}
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JSValue
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getAttributes(JSContext *ctx, void *node)
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{
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291
src/ecmascript/quickjs/collection.c
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291
src/ecmascript/quickjs/collection.c
Normal file
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@ -0,0 +1,291 @@
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/* The QuickJS html collection object implementation. */
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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 "bfu/dialog.h"
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#include "cache/cache.h"
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#include "cookies/cookies.h"
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#include "dialogs/menu.h"
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#include "dialogs/status.h"
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#include "document/html/frames.h"
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#include "document/document.h"
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#include "document/forms.h"
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#include "document/view.h"
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#include "ecmascript/ecmascript.h"
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#include "ecmascript/quickjs/collection.h"
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#include "intl/libintl.h"
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#include "main/select.h"
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#include "osdep/newwin.h"
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#include "osdep/sysname.h"
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#include "protocol/http/http.h"
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#include "protocol/uri.h"
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#include "session/history.h"
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#include "session/location.h"
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#include "session/session.h"
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#include "session/task.h"
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#include "terminal/tab.h"
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#include "terminal/terminal.h"
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#include "util/conv.h"
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#include "util/memory.h"
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#include "util/string.h"
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#include "viewer/text/draw.h"
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#include "viewer/text/form.h"
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#include "viewer/text/link.h"
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#include "viewer/text/vs.h"
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#include <libxml/tree.h>
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#include <libxml/HTMLparser.h>
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#include <libxml++/libxml++.h>
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#include <libxml++/attributenode.h>
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#include <libxml++/parsers/domparser.h>
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#include <iostream>
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#include <algorithm>
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#include <string>
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#define countof(x) (sizeof(x) / sizeof((x)[0]))
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static JSClassID js_htmlCollection_class_id;
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// Placeholder
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JSValue getElement(JSContext *ctx, void *node)
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{
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return JS_NULL;
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}
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static JSValue
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js_htmlCollection_get_property_length(JSContext *ctx, JSValueConst this_val)
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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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struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
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xmlpp::Node::NodeSet *ns = JS_GetOpaque(this_val, js_htmlCollection_class_id);
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if (!ns) {
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return JS_NewInt32(ctx, 0);
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}
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return JS_NewInt32(ctx, ns->size());
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}
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static JSValue
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js_htmlCollection_item2(JSContext *ctx, JSValueConst this_val, int idx)
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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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xmlpp::Node::NodeSet *ns = JS_GetOpaque(this_val, js_htmlCollection_class_id);
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if (!ns) {
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return JS_UNDEFINED;
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}
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xmlpp::Element *element;
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try {
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element = ns->at(idx);
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} catch (std::out_of_range e) { return JS_UNDEFINED;}
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if (!element) {
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return JS_UNDEFINED;
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}
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return getElement(ctx, element);
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}
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static JSValue
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js_htmlCollection_item(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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return JS_UNDEFINED;
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}
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int index;
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JS_ToInt32(ctx, &index, argv[0]);
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return js_htmlCollection_item2(ctx, this_val, index);
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}
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static JSValue
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js_htmlCollection_namedItem2(JSContext *ctx, JSValueConst this_val, const char *str)
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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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xmlpp::Node::NodeSet *ns = JS_GetOpaque(this_val, js_htmlCollection_class_id);
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if (!ns) {
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return JS_UNDEFINED;
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}
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xmlpp::ustring name = str;
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auto it = ns->begin();
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auto end = ns->end();
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for (; it != end; ++it) {
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const auto element = dynamic_cast<const xmlpp::Element*>(*it);
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if (!element) {
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continue;
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}
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if (name == element->get_attribute_value("id")
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|| name == element->get_attribute_value("name")) {
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return getElement(ctx, element);
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}
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}
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return JS_UNDEFINED;
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}
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static JSValue
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js_htmlCollection_namedItem(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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return JS_UNDEFINED;
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}
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const char *str;
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size_t len;
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str = JS_ToCStringLen(ctx, &len, argv[0]);
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if (!str) {
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return JS_EXCEPTION;
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}
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JSValue ret = js_htmlCollection_namedItem2(ctx, this_val, str);
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JS_FreeCString(ctx, str);
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return ret;
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}
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static void
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js_htmlCollection_set_items(JSContext *ctx, JSValue this_val, void *node)
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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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int counter = 0;
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xmlpp::Node::NodeSet *ns = JS_GetOpaque(this_val, js_htmlCollection_class_id);
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if (!ns) {
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return;
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}
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xmlpp::Element *element;
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while (1) {
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try {
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element = ns->at(counter);
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} catch (std::out_of_range e) { return;}
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if (!element) {
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return;
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}
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JSValue obj = getElement(ctx, element);
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JS_SetPropertyUint32(ctx, this_val, counter, obj);
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xmlpp::ustring name = element->get_attribute_value("id");
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if (name == "") {
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name = element->get_attribute_value("name");
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}
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if (name != "" && name != "item" && name != "namedItem") {
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JS_DefinePropertyValueStr(ctx, this_val, name.c_str(), obj, 0);
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}
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counter++;
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}
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}
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static const JSCFunctionListEntry js_htmlCollection_proto_funcs[] = {
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JS_CGETSET_DEF("length", js_htmlCollection_get_property_length, nullptr),
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JS_CFUNC_DEF("item", 1, js_htmlCollection_item),
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JS_CFUNC_DEF("namedItem", 1, js_htmlCollection_namedItem),
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};
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static JSClassDef js_htmlCollection_class = {
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"htmlCollection",
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};
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static JSValue
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js_htmlCollection_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_htmlCollection_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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return 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_htmlCollection_init(JSContext *ctx, JSValue global_obj)
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{
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JSValue htmlCollection_proto, htmlCollection_class;
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/* create the htmlCollection class */
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JS_NewClassID(&js_htmlCollection_class_id);
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JS_NewClass(JS_GetRuntime(ctx), js_htmlCollection_class_id, &js_htmlCollection_class);
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htmlCollection_proto = JS_NewObject(ctx);
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JS_SetPropertyFunctionList(ctx, htmlCollection_proto, js_htmlCollection_proto_funcs, countof(js_htmlCollection_proto_funcs));
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htmlCollection_class = JS_NewCFunction2(ctx, js_htmlCollection_ctor, "htmlCollection", 0, JS_CFUNC_constructor, 0);
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/* set proto.constructor and ctor.prototype */
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JS_SetConstructor(ctx, htmlCollection_class, htmlCollection_proto);
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JS_SetClassProto(ctx, js_htmlCollection_class_id, htmlCollection_proto);
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JS_SetPropertyStr(ctx, global_obj, "htmlCollection", htmlCollection_proto);
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return 0;
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}
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JSValue
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getCollection(JSContext *ctx, void *node)
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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 htmlCollection_obj = JS_NewObject(ctx);
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JS_SetPropertyFunctionList(ctx, htmlCollection_obj, js_htmlCollection_proto_funcs, countof(js_htmlCollection_proto_funcs));
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// htmlCollection_class = JS_NewCFunction2(ctx, js_htmlCollection_ctor, "htmlCollection", 0, JS_CFUNC_constructor, 0);
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// JS_SetConstructor(ctx, htmlCollection_class, htmlCollection_obj);
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JS_SetClassProto(ctx, js_htmlCollection_class_id, htmlCollection_obj);
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JS_SetOpaque(htmlCollection_obj, node);
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js_htmlCollection_set_items(ctx, htmlCollection_obj, node);
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return htmlCollection_obj;
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}
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8
src/ecmascript/quickjs/collection.h
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8
src/ecmascript/quickjs/collection.h
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@ -0,0 +1,8 @@
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#ifndef EL__ECMASCRIPT_QUICKJS_COLLECTION_H
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#define EL__ECMASCRIPT_QUICKJS_COLLECTION_H
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#include <quickjs/quickjs.h>
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JSValue getCollection(JSContext *ctx, void *node);
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#endif
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@ -1 +1 @@
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srcs += files('attr.c', 'attributes.c', 'console.c', 'history.c', 'localstorage.c', 'location.c', 'navigator.c', 'screen.c', 'unibar.c', 'window.c')
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srcs += files('attr.c', 'attributes.c', 'collection.c', 'console.c', 'history.c', 'localstorage.c', 'location.c', 'navigator.c', 'screen.c', 'unibar.c', 'window.c')
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