mirror of
https://github.com/rkd77/elinks.git
synced 2024-12-04 14:46:47 -05:00
296 lines
6.6 KiB
C++
296 lines
6.6 KiB
C++
/* The QuickJS attributes 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.h"
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#include "ecmascript/quickjs/attr.h"
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#include "ecmascript/quickjs/attributes.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 std::map<void *, JSValueConst> map_attributes;
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static std::map<JSValueConst, void *> map_rev_attributes;
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static void *
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js_attributes_GetOpaque(JSValueConst this_val)
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{
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return map_rev_attributes[this_val];
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}
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static void
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js_attributes_SetOpaque(JSValueConst this_val, void *node)
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{
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if (!node) {
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map_rev_attributes.erase(this_val);
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} else {
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map_rev_attributes[this_val] = node;
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}
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}
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static void
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js_attributes_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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struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
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assert(interpreter);
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xmlpp::Element::AttributeList *al = static_cast<xmlpp::Element::AttributeList *>(node);
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if (!al) {
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return;
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}
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auto it = al->begin();
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auto end = al->end();
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int i = 0;
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for (;it != end; ++it, ++i) {
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xmlpp::Attribute *attr = *it;
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if (!attr) {
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continue;
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}
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JSValue obj = getAttr(ctx, attr);
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JS_SetPropertyUint32(ctx, this_val, i, obj);
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xmlpp::ustring name = attr->get_name();
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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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}
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}
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static JSValue
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js_attributes_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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struct view_state *vs = interpreter->vs;
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if (!vs) {
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#ifdef ECMASCRIPT_DEBUG
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fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
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#endif
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return JS_EXCEPTION;
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}
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xmlpp::Element::AttributeList *al = static_cast<xmlpp::Element::AttributeList *>(js_attributes_GetOpaque(this_val));
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if (!al) {
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return JS_NewInt32(ctx, 0);
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}
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return JS_NewInt32(ctx, al->size());
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}
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static JSValue
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js_attributes_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::Element::AttributeList *al = static_cast<xmlpp::Element::AttributeList *>(js_attributes_GetOpaque(this_val));
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if (!al) {
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return JS_UNDEFINED;
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}
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auto it = al->begin();
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auto end = al->end();
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int i = 0;
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for (;it != end; it++, i++) {
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if (i != idx) {
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continue;
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}
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xmlpp::Attribute *attr = *it;
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return getAttr(ctx, attr);
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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_attributes_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_attributes_item2(ctx, this_val, index);
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}
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static JSValue
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js_attributes_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::Element::AttributeList *al = static_cast<xmlpp::Element::AttributeList *>(js_attributes_GetOpaque(this_val));
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if (!al) {
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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 = al->begin();
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auto end = al->end();
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for (; it != end; ++it) {
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auto attr = dynamic_cast<xmlpp::AttributeNode*>(*it);
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if (!attr) {
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continue;
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}
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if (name == attr->get_name()) {
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JSValue obj = getAttr(ctx, attr);
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RETURN_JS(obj);
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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_attributes_getNamedItem(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_attributes_namedItem2(ctx, this_val, str);
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JS_FreeCString(ctx, str);
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RETURN_JS(ret);
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}
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static JSValue
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js_attributes_toString(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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return JS_NewString(ctx, "[attributes object]");
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}
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static const JSCFunctionListEntry js_attributes_proto_funcs[] = {
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JS_CGETSET_DEF("length", js_attributes_get_property_length, nullptr),
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JS_CFUNC_DEF("item", 1, js_attributes_item),
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JS_CFUNC_DEF("getNamedItem", 1, js_attributes_getNamedItem),
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JS_CFUNC_DEF("toString", 0, js_attributes_toString)
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};
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#if 0
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static void
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js_attributes_finalizer(JSRuntime *rt, JSValue val)
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{
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void *node = js_attributes_GetOpaque(val);
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js_attributes_SetOpaque(val, nullptr);
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map_attributes.erase(node);
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}
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static JSClassDef js_attributes_class = {
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"attributes",
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js_attributes_finalizer
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};
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#endif
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JSValue
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getAttributes(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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auto node_find = map_attributes.find(node);
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if (node_find != map_attributes.end()) {
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JSValue r = JS_DupValue(ctx, node_find->second);
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RETURN_JS(r);
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}
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JSValue attributes_obj = JS_NewArray(ctx);
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JS_SetPropertyFunctionList(ctx, attributes_obj, js_attributes_proto_funcs, countof(js_attributes_proto_funcs));
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js_attributes_SetOpaque(attributes_obj, node);
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js_attributes_set_items(ctx, attributes_obj, node);
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map_attributes[node] = attributes_obj;
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JSValue rr = JS_DupValue(ctx, attributes_obj);
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RETURN_JS(rr);
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}
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