From fc031f170bdf88c67fa75634772e06b95ea5587c Mon Sep 17 00:00:00 2001 From: Witold Filipczyk Date: Wed, 27 Oct 2021 18:10:04 +0200 Subject: [PATCH] [quickjs] htmlCollection --- src/ecmascript/quickjs/attributes.c | 4 +- src/ecmascript/quickjs/collection.c | 291 ++++++++++++++++++++++++++++ src/ecmascript/quickjs/collection.h | 8 + src/ecmascript/quickjs/meson.build | 2 +- 4 files changed, 301 insertions(+), 4 deletions(-) create mode 100644 src/ecmascript/quickjs/collection.c create mode 100644 src/ecmascript/quickjs/collection.h diff --git a/src/ecmascript/quickjs/attributes.c b/src/ecmascript/quickjs/attributes.c index c5238676..02676a76 100644 --- a/src/ecmascript/quickjs/attributes.c +++ b/src/ecmascript/quickjs/attributes.c @@ -155,7 +155,7 @@ js_attributes_item(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__); #endif if (argc != 1) { - return JS_EXCEPTION; + return JS_UNDEFINED; } int index; @@ -278,8 +278,6 @@ js_attributes_init(JSContext *ctx, JSValue global_obj) return 0; } - - JSValue getAttributes(JSContext *ctx, void *node) { diff --git a/src/ecmascript/quickjs/collection.c b/src/ecmascript/quickjs/collection.c new file mode 100644 index 00000000..91c2817c --- /dev/null +++ b/src/ecmascript/quickjs/collection.c @@ -0,0 +1,291 @@ +/* The QuickJS html collection object implementation. */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include + +#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/collection.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 +#include +#include +#include +#include + +#include +#include +#include + +#define countof(x) (sizeof(x) / sizeof((x)[0])) + +static JSClassID js_htmlCollection_class_id; + +// Placeholder +JSValue getElement(JSContext *ctx, void *node) +{ + return JS_NULL; +} + +static JSValue +js_htmlCollection_get_property_length(JSContext *ctx, JSValueConst this_val) +{ +#ifdef ECMASCRIPT_DEBUG + fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__); +#endif + struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx); + xmlpp::Node::NodeSet *ns = JS_GetOpaque(this_val, js_htmlCollection_class_id); + + if (!ns) { + return JS_NewInt32(ctx, 0); + } + + return JS_NewInt32(ctx, ns->size()); +} + +static JSValue +js_htmlCollection_item2(JSContext *ctx, JSValueConst this_val, int idx) +{ +#ifdef ECMASCRIPT_DEBUG + fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__); +#endif + xmlpp::Node::NodeSet *ns = JS_GetOpaque(this_val, js_htmlCollection_class_id); + + if (!ns) { + return JS_UNDEFINED; + } + + xmlpp::Element *element; + + try { + element = ns->at(idx); + } catch (std::out_of_range e) { return JS_UNDEFINED;} + + if (!element) { + return JS_UNDEFINED; + } + + return getElement(ctx, element); +} + +static JSValue +js_htmlCollection_item(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) +{ +#ifdef ECMASCRIPT_DEBUG + fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__); +#endif + if (argc != 1) { + return JS_UNDEFINED; + } + + int index; + JS_ToInt32(ctx, &index, argv[0]); + + return js_htmlCollection_item2(ctx, this_val, index); +} + +static JSValue +js_htmlCollection_namedItem2(JSContext *ctx, JSValueConst this_val, const char *str) +{ +#ifdef ECMASCRIPT_DEBUG + fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__); +#endif + xmlpp::Node::NodeSet *ns = JS_GetOpaque(this_val, js_htmlCollection_class_id); + + if (!ns) { + return JS_UNDEFINED; + } + + xmlpp::ustring name = str; + + auto it = ns->begin(); + auto end = ns->end(); + + for (; it != end; ++it) { + const auto element = dynamic_cast(*it); + + if (!element) { + continue; + } + + if (name == element->get_attribute_value("id") + || name == element->get_attribute_value("name")) { + return getElement(ctx, element); + } + } + + return JS_UNDEFINED; +} + +static JSValue +js_htmlCollection_namedItem(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst *argv) +{ +#ifdef ECMASCRIPT_DEBUG + fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__); +#endif + if (argc != 1) { + return JS_UNDEFINED; + } + + const char *str; + size_t len; + + str = JS_ToCStringLen(ctx, &len, argv[0]); + + if (!str) { + return JS_EXCEPTION; + } + + JSValue ret = js_htmlCollection_namedItem2(ctx, this_val, str); + JS_FreeCString(ctx, str); + + return ret; +} + +static void +js_htmlCollection_set_items(JSContext *ctx, JSValue this_val, void *node) +{ +#ifdef ECMASCRIPT_DEBUG + fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__); +#endif + int counter = 0; + + xmlpp::Node::NodeSet *ns = JS_GetOpaque(this_val, js_htmlCollection_class_id); + + if (!ns) { + return; + } + + xmlpp::Element *element; + + while (1) { + try { + element = ns->at(counter); + } catch (std::out_of_range e) { return;} + + if (!element) { + return; + } + + JSValue obj = getElement(ctx, element); + JS_SetPropertyUint32(ctx, this_val, counter, obj); + + xmlpp::ustring name = element->get_attribute_value("id"); + if (name == "") { + name = element->get_attribute_value("name"); + } + if (name != "" && name != "item" && name != "namedItem") { + JS_DefinePropertyValueStr(ctx, this_val, name.c_str(), obj, 0); + } + counter++; + } +} + +static const JSCFunctionListEntry js_htmlCollection_proto_funcs[] = { + JS_CGETSET_DEF("length", js_htmlCollection_get_property_length, nullptr), + JS_CFUNC_DEF("item", 1, js_htmlCollection_item), + JS_CFUNC_DEF("namedItem", 1, js_htmlCollection_namedItem), +}; + +static JSClassDef js_htmlCollection_class = { + "htmlCollection", +}; + +static JSValue +js_htmlCollection_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_htmlCollection_class_id); + JS_FreeValue(ctx, proto); + + if (JS_IsException(obj)) { + goto fail; + } + return obj; + +fail: + JS_FreeValue(ctx, obj); + return JS_EXCEPTION; +} + +int +js_htmlCollection_init(JSContext *ctx, JSValue global_obj) +{ + JSValue htmlCollection_proto, htmlCollection_class; + + /* create the htmlCollection class */ + JS_NewClassID(&js_htmlCollection_class_id); + JS_NewClass(JS_GetRuntime(ctx), js_htmlCollection_class_id, &js_htmlCollection_class); + + htmlCollection_proto = JS_NewObject(ctx); + JS_SetPropertyFunctionList(ctx, htmlCollection_proto, js_htmlCollection_proto_funcs, countof(js_htmlCollection_proto_funcs)); + + htmlCollection_class = JS_NewCFunction2(ctx, js_htmlCollection_ctor, "htmlCollection", 0, JS_CFUNC_constructor, 0); + /* set proto.constructor and ctor.prototype */ + JS_SetConstructor(ctx, htmlCollection_class, htmlCollection_proto); + JS_SetClassProto(ctx, js_htmlCollection_class_id, htmlCollection_proto); + + JS_SetPropertyStr(ctx, global_obj, "htmlCollection", htmlCollection_proto); + return 0; +} + + +JSValue +getCollection(JSContext *ctx, void *node) +{ +#ifdef ECMASCRIPT_DEBUG + fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__); +#endif + JSValue htmlCollection_obj = JS_NewObject(ctx); + JS_SetPropertyFunctionList(ctx, htmlCollection_obj, js_htmlCollection_proto_funcs, countof(js_htmlCollection_proto_funcs)); +// htmlCollection_class = JS_NewCFunction2(ctx, js_htmlCollection_ctor, "htmlCollection", 0, JS_CFUNC_constructor, 0); +// JS_SetConstructor(ctx, htmlCollection_class, htmlCollection_obj); + JS_SetClassProto(ctx, js_htmlCollection_class_id, htmlCollection_obj); + + JS_SetOpaque(htmlCollection_obj, node); + js_htmlCollection_set_items(ctx, htmlCollection_obj, node); + + return htmlCollection_obj; +} diff --git a/src/ecmascript/quickjs/collection.h b/src/ecmascript/quickjs/collection.h new file mode 100644 index 00000000..463a8c36 --- /dev/null +++ b/src/ecmascript/quickjs/collection.h @@ -0,0 +1,8 @@ +#ifndef EL__ECMASCRIPT_QUICKJS_COLLECTION_H +#define EL__ECMASCRIPT_QUICKJS_COLLECTION_H + +#include + +JSValue getCollection(JSContext *ctx, void *node); + +#endif diff --git a/src/ecmascript/quickjs/meson.build b/src/ecmascript/quickjs/meson.build index 577567df..f70dff49 100644 --- a/src/ecmascript/quickjs/meson.build +++ b/src/ecmascript/quickjs/meson.build @@ -1 +1 @@ -srcs += files('attr.c', 'attributes.c', 'console.c', 'history.c', 'localstorage.c', 'location.c', 'navigator.c', 'screen.c', 'unibar.c', 'window.c') +srcs += files('attr.c', 'attributes.c', 'collection.c', 'console.c', 'history.c', 'localstorage.c', 'location.c', 'navigator.c', 'screen.c', 'unibar.c', 'window.c')