1010 lines
23 KiB
JavaScript
1010 lines
23 KiB
JavaScript
/* Copyright 2021 Mozilla Foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
import { getInteger, getKeyword, HTMLResult } from "./utils.js";
|
|
import { shadow, warn } from "../../shared/util.js";
|
|
import { NamespaceIds } from "./namespaces.js";
|
|
import { searchNode } from "./som.js";
|
|
|
|
// We use these symbols to avoid name conflict between tags
|
|
// and properties/methods names.
|
|
const $acceptWhitespace = Symbol();
|
|
const $addHTML = Symbol();
|
|
const $appendChild = Symbol();
|
|
const $break = Symbol();
|
|
const $childrenToHTML = Symbol();
|
|
const $clean = Symbol();
|
|
const $cleanup = Symbol();
|
|
const $clone = Symbol();
|
|
const $consumed = Symbol();
|
|
const $content = Symbol("content");
|
|
const $data = Symbol("data");
|
|
const $dump = Symbol();
|
|
const $extra = Symbol("extra");
|
|
const $finalize = Symbol();
|
|
const $flushHTML = Symbol();
|
|
const $getAttributeIt = Symbol();
|
|
const $getAvailableSpace = Symbol();
|
|
const $getChildrenByClass = Symbol();
|
|
const $getChildrenByName = Symbol();
|
|
const $getChildrenByNameIt = Symbol();
|
|
const $getDataValue = Symbol();
|
|
const $getRealChildrenByNameIt = Symbol();
|
|
const $getChildren = Symbol();
|
|
const $getNextPage = Symbol();
|
|
const $getParent = Symbol();
|
|
const $global = Symbol();
|
|
const $hasItem = Symbol();
|
|
const $hasSettableValue = Symbol();
|
|
const $ids = Symbol();
|
|
const $indexOf = Symbol();
|
|
const $insertAt = Symbol();
|
|
const $isCDATAXml = Symbol();
|
|
const $isDataValue = Symbol();
|
|
const $isDescendent = Symbol();
|
|
const $isTransparent = Symbol();
|
|
const $lastAttribute = Symbol();
|
|
const $namespaceId = Symbol("namespaceId");
|
|
const $nodeName = Symbol("nodeName");
|
|
const $nsAttributes = Symbol();
|
|
const $onChild = Symbol();
|
|
const $onChildCheck = Symbol();
|
|
const $onText = Symbol();
|
|
const $removeChild = Symbol();
|
|
const $root = Symbol("root");
|
|
const $resolvePrototypes = Symbol();
|
|
const $searchNode = Symbol();
|
|
const $setId = Symbol();
|
|
const $setSetAttributes = Symbol();
|
|
const $setValue = Symbol();
|
|
const $text = Symbol();
|
|
const $toHTML = Symbol();
|
|
const $toStyle = Symbol();
|
|
const $uid = Symbol("uid");
|
|
|
|
const _applyPrototype = Symbol();
|
|
const _attributes = Symbol();
|
|
const _attributeNames = Symbol();
|
|
const _children = Symbol("_children");
|
|
const _cloneAttribute = Symbol();
|
|
const _dataValue = Symbol();
|
|
const _defaultValue = Symbol();
|
|
const _filteredChildrenGenerator = Symbol();
|
|
const _getPrototype = Symbol();
|
|
const _getUnsetAttributes = Symbol();
|
|
const _hasChildren = Symbol();
|
|
const _max = Symbol();
|
|
const _options = Symbol();
|
|
const _parent = Symbol("parent");
|
|
const _resolvePrototypesHelper = Symbol();
|
|
const _setAttributes = Symbol();
|
|
const _validator = Symbol();
|
|
|
|
let uid = 0;
|
|
|
|
class XFAObject {
|
|
constructor(nsId, name, hasChildren = false) {
|
|
this[$namespaceId] = nsId;
|
|
this[$nodeName] = name;
|
|
this[_hasChildren] = hasChildren;
|
|
this[_parent] = null;
|
|
this[_children] = [];
|
|
this[$uid] = `${name}${uid++}`;
|
|
}
|
|
|
|
[$onChild](child) {
|
|
if (!this[_hasChildren] || !this[$onChildCheck](child)) {
|
|
return false;
|
|
}
|
|
|
|
const name = child[$nodeName];
|
|
const node = this[name];
|
|
|
|
if (node instanceof XFAObjectArray) {
|
|
if (node.push(child)) {
|
|
this[$appendChild](child);
|
|
return true;
|
|
}
|
|
} else {
|
|
// IRL it's possible to already have a node.
|
|
// So just replace it with the last version.
|
|
if (node !== null) {
|
|
this[$removeChild](node);
|
|
}
|
|
this[name] = child;
|
|
this[$appendChild](child);
|
|
return true;
|
|
}
|
|
|
|
let id = "";
|
|
if (this.id) {
|
|
id = ` (id: ${this.id})`;
|
|
} else if (this.name) {
|
|
id = ` (name: ${this.name} ${this.h.value})`;
|
|
}
|
|
warn(`XFA - node "${this[$nodeName]}"${id} has already enough "${name}"!`);
|
|
return false;
|
|
}
|
|
|
|
[$onChildCheck](child) {
|
|
return (
|
|
this.hasOwnProperty(child[$nodeName]) &&
|
|
child[$namespaceId] === this[$namespaceId]
|
|
);
|
|
}
|
|
|
|
[$acceptWhitespace]() {
|
|
return false;
|
|
}
|
|
|
|
[$isCDATAXml]() {
|
|
return false;
|
|
}
|
|
|
|
[$setId](ids) {
|
|
if (this.id && this[$namespaceId] === NamespaceIds.template.id) {
|
|
ids.set(this.id, this);
|
|
}
|
|
}
|
|
|
|
[$appendChild](child) {
|
|
child[_parent] = this;
|
|
this[_children].push(child);
|
|
}
|
|
|
|
[$removeChild](child) {
|
|
const i = this[_children].indexOf(child);
|
|
this[_children].splice(i, 1);
|
|
}
|
|
|
|
[$hasSettableValue]() {
|
|
return this.hasOwnProperty("value");
|
|
}
|
|
|
|
[$setValue](_) {}
|
|
|
|
[$onText](_) {}
|
|
|
|
[$finalize]() {}
|
|
|
|
[$clean](builder) {
|
|
delete this[_hasChildren];
|
|
if (this[$cleanup]) {
|
|
builder.clean(this[$cleanup]);
|
|
delete this[$cleanup];
|
|
}
|
|
}
|
|
|
|
[$hasItem]() {
|
|
return false;
|
|
}
|
|
|
|
[$indexOf](child) {
|
|
return this[_children].indexOf(child);
|
|
}
|
|
|
|
[$insertAt](i, child) {
|
|
child[_parent] = this;
|
|
this[_children].splice(i, 0, child);
|
|
}
|
|
|
|
/**
|
|
* If true the element is transparent when searching a node using
|
|
* a SOM expression which means that looking for "foo.bar" in
|
|
* <... name="foo"><toto><titi><... name="bar"></titi></toto>...
|
|
* is fine because toto and titi are transparent.
|
|
*/
|
|
[$isTransparent]() {
|
|
return !this.name;
|
|
}
|
|
|
|
[$lastAttribute]() {
|
|
return "";
|
|
}
|
|
|
|
[$text]() {
|
|
if (this[_children].length === 0) {
|
|
return this[$content];
|
|
}
|
|
return this[_children].map(c => c[$text]()).join("");
|
|
}
|
|
|
|
get [_attributeNames]() {
|
|
// Lazily get attributes names
|
|
const proto = Object.getPrototypeOf(this);
|
|
if (!proto._attributes) {
|
|
const attributes = (proto._attributes = new Set());
|
|
for (const name of Object.getOwnPropertyNames(this)) {
|
|
if (
|
|
this[name] === null ||
|
|
this[name] instanceof XFAObject ||
|
|
this[name] instanceof XFAObjectArray
|
|
) {
|
|
break;
|
|
}
|
|
attributes.add(name);
|
|
}
|
|
}
|
|
return shadow(this, _attributeNames, proto._attributes);
|
|
}
|
|
|
|
[$isDescendent](parent) {
|
|
let node = this;
|
|
while (node) {
|
|
if (node === parent) {
|
|
return true;
|
|
}
|
|
node = node[$getParent]();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
[$getParent]() {
|
|
return this[_parent];
|
|
}
|
|
|
|
[$getChildren](name = null) {
|
|
if (!name) {
|
|
return this[_children];
|
|
}
|
|
|
|
return this[name];
|
|
}
|
|
|
|
[$dump]() {
|
|
const dumped = Object.create(null);
|
|
if (this[$content]) {
|
|
dumped.$content = this[$content];
|
|
}
|
|
|
|
for (const name of Object.getOwnPropertyNames(this)) {
|
|
const value = this[name];
|
|
if (value === null) {
|
|
continue;
|
|
}
|
|
if (value instanceof XFAObject) {
|
|
dumped[name] = value[$dump]();
|
|
} else if (value instanceof XFAObjectArray) {
|
|
if (!value.isEmpty()) {
|
|
dumped[name] = value.dump();
|
|
}
|
|
} else {
|
|
dumped[name] = value;
|
|
}
|
|
}
|
|
|
|
return dumped;
|
|
}
|
|
|
|
[$toStyle]() {
|
|
return null;
|
|
}
|
|
|
|
[$toHTML]() {
|
|
return HTMLResult.EMPTY;
|
|
}
|
|
|
|
*[_filteredChildrenGenerator](filter, include) {
|
|
for (const node of this[$getChildren]()) {
|
|
if (!filter || include === filter.has(node[$nodeName])) {
|
|
const availableSpace = this[$getAvailableSpace]();
|
|
const res = node[$toHTML](availableSpace);
|
|
if (!res.success) {
|
|
this[$extra].failingNode = node;
|
|
}
|
|
yield res;
|
|
}
|
|
}
|
|
}
|
|
|
|
[$flushHTML]() {
|
|
return null;
|
|
}
|
|
|
|
[$addHTML](html, bbox) {
|
|
this[$extra].children.push(html);
|
|
}
|
|
|
|
[$getAvailableSpace]() {}
|
|
|
|
[$childrenToHTML]({ filter = null, include = true }) {
|
|
if (!this[$extra].generator) {
|
|
this[$extra].generator = this[_filteredChildrenGenerator](
|
|
filter,
|
|
include
|
|
);
|
|
} else {
|
|
const availableSpace = this[$getAvailableSpace]();
|
|
const res = this[$extra].failingNode[$toHTML](availableSpace);
|
|
if (!res.success) {
|
|
return false;
|
|
}
|
|
if (res.html) {
|
|
this[$addHTML](res.html, res.bbox);
|
|
}
|
|
delete this[$extra].failingNode;
|
|
}
|
|
|
|
while (true) {
|
|
const gen = this[$extra].generator.next();
|
|
if (gen.done) {
|
|
break;
|
|
}
|
|
const res = gen.value;
|
|
if (!res.success) {
|
|
return false;
|
|
}
|
|
if (res.html) {
|
|
this[$addHTML](res.html, res.bbox);
|
|
}
|
|
}
|
|
|
|
this[$extra].generator = null;
|
|
|
|
return true;
|
|
}
|
|
|
|
[$setSetAttributes](attributes) {
|
|
// Just keep set attributes because it can be used in a proto.
|
|
this[_setAttributes] = new Set(Object.keys(attributes));
|
|
}
|
|
|
|
/**
|
|
* Get attribute names which have been set in the proto but not in this.
|
|
*/
|
|
[_getUnsetAttributes](protoAttributes) {
|
|
const allAttr = this[_attributeNames];
|
|
const setAttr = this[_setAttributes];
|
|
return [...protoAttributes].filter(x => allAttr.has(x) && !setAttr.has(x));
|
|
}
|
|
|
|
/**
|
|
* Update the node with properties coming from a prototype and apply
|
|
* this function recursivly to all children.
|
|
*/
|
|
[$resolvePrototypes](ids, ancestors = new Set()) {
|
|
for (const child of this[_children]) {
|
|
child[_resolvePrototypesHelper](ids, ancestors);
|
|
}
|
|
}
|
|
|
|
[_resolvePrototypesHelper](ids, ancestors) {
|
|
const proto = this[_getPrototype](ids, ancestors);
|
|
if (proto) {
|
|
// _applyPrototype will apply $resolvePrototypes with correct ancestors
|
|
// to avoid infinite loop.
|
|
this[_applyPrototype](proto, ids, ancestors);
|
|
} else {
|
|
this[$resolvePrototypes](ids, ancestors);
|
|
}
|
|
}
|
|
|
|
[_getPrototype](ids, ancestors) {
|
|
const { use, usehref } = this;
|
|
if (!use && !usehref) {
|
|
return null;
|
|
}
|
|
|
|
let proto = null;
|
|
let somExpression = null;
|
|
let id = null;
|
|
let ref = use;
|
|
|
|
// If usehref and use are non-empty then use usehref.
|
|
if (usehref) {
|
|
ref = usehref;
|
|
// Href can be one of the following:
|
|
// - #ID
|
|
// - URI#ID
|
|
// - #som(expression)
|
|
// - URI#som(expression)
|
|
// - URI
|
|
// For now we don't handle URI other than "." (current document).
|
|
if (usehref.startsWith("#som(") && usehref.endsWith(")")) {
|
|
somExpression = usehref.slice("#som(".length, usehref.length - 1);
|
|
} else if (usehref.startsWith(".#som(") && usehref.endsWith(")")) {
|
|
somExpression = usehref.slice(".#som(".length, usehref.length - 1);
|
|
} else if (usehref.startsWith("#")) {
|
|
id = usehref.slice(1);
|
|
} else if (usehref.startsWith(".#")) {
|
|
id = usehref.slice(2);
|
|
}
|
|
} else if (use.startsWith("#")) {
|
|
id = use.slice(1);
|
|
} else {
|
|
somExpression = use;
|
|
}
|
|
|
|
this.use = this.usehref = "";
|
|
if (id) {
|
|
proto = ids.get(id);
|
|
} else {
|
|
proto = searchNode(
|
|
ids.get($root),
|
|
this,
|
|
somExpression,
|
|
true /* = dotDotAllowed */,
|
|
false /* = useCache */
|
|
);
|
|
if (proto) {
|
|
proto = proto[0];
|
|
}
|
|
}
|
|
|
|
if (!proto) {
|
|
warn(`XFA - Invalid prototype reference: ${ref}.`);
|
|
return null;
|
|
}
|
|
|
|
if (proto[$nodeName] !== this[$nodeName]) {
|
|
warn(
|
|
`XFA - Incompatible prototype: ${proto[$nodeName]} !== ${this[$nodeName]}.`
|
|
);
|
|
return null;
|
|
}
|
|
|
|
if (ancestors.has(proto)) {
|
|
// We've a cycle so break it.
|
|
warn(`XFA - Cycle detected in prototypes use.`);
|
|
return null;
|
|
}
|
|
|
|
ancestors.add(proto);
|
|
// The prototype can have a "use" attribute itself.
|
|
const protoProto = proto[_getPrototype](ids, ancestors);
|
|
if (!protoProto) {
|
|
ancestors.delete(proto);
|
|
return proto;
|
|
}
|
|
|
|
proto[_applyPrototype](protoProto, ids, ancestors);
|
|
ancestors.delete(proto);
|
|
|
|
return proto;
|
|
}
|
|
|
|
[_applyPrototype](proto, ids, ancestors) {
|
|
if (ancestors.has(proto)) {
|
|
// We've a cycle so break it.
|
|
warn(`XFA - Cycle detected in prototypes use.`);
|
|
return;
|
|
}
|
|
|
|
if (!this[$content] && proto[$content]) {
|
|
this[$content] = proto[$content];
|
|
}
|
|
|
|
const newAncestors = new Set(ancestors);
|
|
newAncestors.add(proto);
|
|
|
|
for (const unsetAttrName of this[_getUnsetAttributes](
|
|
proto[_setAttributes]
|
|
)) {
|
|
this[unsetAttrName] = proto[unsetAttrName];
|
|
if (this[_setAttributes]) {
|
|
this[_setAttributes].add(unsetAttrName);
|
|
}
|
|
}
|
|
|
|
for (const name of Object.getOwnPropertyNames(this)) {
|
|
if (this[_attributeNames].has(name)) {
|
|
continue;
|
|
}
|
|
const value = this[name];
|
|
const protoValue = proto[name];
|
|
|
|
if (value instanceof XFAObjectArray) {
|
|
for (const child of value[_children]) {
|
|
child[_resolvePrototypesHelper](ids, ancestors);
|
|
}
|
|
|
|
for (
|
|
let i = value[_children].length, ii = protoValue[_children].length;
|
|
i < ii;
|
|
i++
|
|
) {
|
|
const child = proto[_children][i][$clone]();
|
|
if (value.push(child)) {
|
|
child[_parent] = this;
|
|
this[_children].push(child);
|
|
child[_resolvePrototypesHelper](ids, ancestors);
|
|
} else {
|
|
// No need to continue: other nodes will be rejected.
|
|
break;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (value !== null) {
|
|
value[$resolvePrototypes](ids, ancestors);
|
|
if (protoValue) {
|
|
// protoValue must be treated as a prototype for value.
|
|
value[_applyPrototype](protoValue, ids, ancestors);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (protoValue !== null) {
|
|
const child = protoValue[$clone]();
|
|
child[_parent] = this;
|
|
this[name] = child;
|
|
this[_children].push(child);
|
|
child[_resolvePrototypesHelper](ids, ancestors);
|
|
}
|
|
}
|
|
}
|
|
|
|
static [_cloneAttribute](obj) {
|
|
if (Array.isArray(obj)) {
|
|
return obj.map(x => XFAObject[_cloneAttribute](x));
|
|
}
|
|
if (obj instanceof Object) {
|
|
return Object.assign({}, obj);
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
[$clone]() {
|
|
const clone = Object.create(Object.getPrototypeOf(this));
|
|
for (const $symbol of Object.getOwnPropertySymbols(this)) {
|
|
try {
|
|
clone[$symbol] = this[$symbol];
|
|
} catch (_) {
|
|
shadow(clone, $symbol, this[$symbol]);
|
|
}
|
|
}
|
|
clone[_children] = [];
|
|
|
|
for (const name of Object.getOwnPropertyNames(this)) {
|
|
if (this[_attributeNames].has(name)) {
|
|
clone[name] = XFAObject[_cloneAttribute](this[name]);
|
|
continue;
|
|
}
|
|
const value = this[name];
|
|
if (value instanceof XFAObjectArray) {
|
|
clone[name] = new XFAObjectArray(value[_max]);
|
|
} else {
|
|
clone[name] = null;
|
|
}
|
|
}
|
|
|
|
for (const child of this[_children]) {
|
|
const name = child[$nodeName];
|
|
const clonedChild = child[$clone]();
|
|
clone[_children].push(clonedChild);
|
|
clonedChild[_parent] = clone;
|
|
if (clone[name] === null) {
|
|
clone[name] = clonedChild;
|
|
} else {
|
|
clone[name][_children].push(clonedChild);
|
|
}
|
|
}
|
|
|
|
return clone;
|
|
}
|
|
|
|
[$getChildren](name = null) {
|
|
if (!name) {
|
|
return this[_children];
|
|
}
|
|
|
|
return this[_children].filter(c => c[$nodeName] === name);
|
|
}
|
|
|
|
[$getChildrenByClass](name) {
|
|
return this[name];
|
|
}
|
|
|
|
[$getChildrenByName](name, allTransparent, first = true) {
|
|
return Array.from(this[$getChildrenByNameIt](name, allTransparent, first));
|
|
}
|
|
|
|
*[$getChildrenByNameIt](name, allTransparent, first = true) {
|
|
if (name === "parent") {
|
|
yield this[_parent];
|
|
return;
|
|
}
|
|
|
|
for (const child of this[_children]) {
|
|
if (child[$nodeName] === name) {
|
|
yield child;
|
|
}
|
|
|
|
if (child.name === name) {
|
|
yield child;
|
|
}
|
|
|
|
if (allTransparent || child[$isTransparent]()) {
|
|
yield* child[$getChildrenByNameIt](name, allTransparent, false);
|
|
}
|
|
}
|
|
|
|
if (first && this[_attributeNames].has(name)) {
|
|
yield new XFAAttribute(this, name, this[name]);
|
|
}
|
|
}
|
|
}
|
|
|
|
class XFAObjectArray {
|
|
constructor(max = Infinity) {
|
|
this[_max] = max;
|
|
this[_children] = [];
|
|
}
|
|
|
|
push(child) {
|
|
const len = this[_children].length;
|
|
if (len <= this[_max]) {
|
|
this[_children].push(child);
|
|
return true;
|
|
}
|
|
warn(
|
|
`XFA - node "${child[$nodeName]}" accepts no more than ${this[_max]} children`
|
|
);
|
|
return false;
|
|
}
|
|
|
|
isEmpty() {
|
|
return this[_children].length === 0;
|
|
}
|
|
|
|
dump() {
|
|
return this[_children].length === 1
|
|
? this[_children][0][$dump]()
|
|
: this[_children].map(x => x[$dump]());
|
|
}
|
|
|
|
[$clone]() {
|
|
const clone = new XFAObjectArray(this[_max]);
|
|
clone[_children] = this[_children].map(c => c[$clone]());
|
|
return clone;
|
|
}
|
|
|
|
get children() {
|
|
return this[_children];
|
|
}
|
|
|
|
clear() {
|
|
this[_children].length = 0;
|
|
}
|
|
}
|
|
|
|
class XFAAttribute {
|
|
constructor(node, name, value) {
|
|
this[_parent] = node;
|
|
this[$nodeName] = name;
|
|
this[$content] = value;
|
|
this[$consumed] = false;
|
|
}
|
|
|
|
[$getParent]() {
|
|
return this[_parent];
|
|
}
|
|
|
|
[$isDataValue]() {
|
|
return true;
|
|
}
|
|
|
|
[$text]() {
|
|
return this[$content];
|
|
}
|
|
|
|
[$isDescendent](parent) {
|
|
return this[_parent] === parent || this[_parent][$isDescendent](parent);
|
|
}
|
|
}
|
|
|
|
class XmlObject extends XFAObject {
|
|
constructor(nsId, name, attributes = {}) {
|
|
super(nsId, name);
|
|
this[$content] = "";
|
|
this[_dataValue] = null;
|
|
if (name !== "#text") {
|
|
const map = new Map();
|
|
this[_attributes] = map;
|
|
for (const [attrName, value] of Object.entries(attributes)) {
|
|
map.set(attrName, new XFAAttribute(this, attrName, value));
|
|
}
|
|
if (attributes.hasOwnProperty($nsAttributes)) {
|
|
// XFA attributes.
|
|
const dataNode = attributes[$nsAttributes].xfa.dataNode;
|
|
if (dataNode !== undefined) {
|
|
if (dataNode === "dataGroup") {
|
|
this[_dataValue] = false;
|
|
} else if (dataNode === "dataValue") {
|
|
this[_dataValue] = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
this[$consumed] = false;
|
|
}
|
|
|
|
[$onChild](child) {
|
|
if (this[$content]) {
|
|
const node = new XmlObject(this[$namespaceId], "#text");
|
|
this[$appendChild](node);
|
|
node[$content] = this[$content];
|
|
this[$content] = "";
|
|
}
|
|
this[$appendChild](child);
|
|
return true;
|
|
}
|
|
|
|
[$onText](str) {
|
|
this[$content] += str;
|
|
}
|
|
|
|
[$finalize]() {
|
|
if (this[$content] && this[_children].length > 0) {
|
|
const node = new XmlObject(this[$namespaceId], "#text");
|
|
this[$appendChild](node);
|
|
node[$content] = this[$content];
|
|
delete this[$content];
|
|
}
|
|
}
|
|
|
|
[$toHTML]() {
|
|
if (this[$nodeName] === "#text") {
|
|
return HTMLResult.success({
|
|
name: "#text",
|
|
value: this[$content],
|
|
});
|
|
}
|
|
|
|
return HTMLResult.EMPTY;
|
|
}
|
|
|
|
[$getChildren](name = null) {
|
|
if (!name) {
|
|
return this[_children];
|
|
}
|
|
|
|
return this[_children].filter(c => c[$nodeName] === name);
|
|
}
|
|
|
|
[$getChildrenByClass](name) {
|
|
const value = this[_attributes].get(name);
|
|
if (value !== undefined) {
|
|
return value;
|
|
}
|
|
return this[$getChildren](name);
|
|
}
|
|
|
|
*[$getChildrenByNameIt](name, allTransparent) {
|
|
const value = this[_attributes].get(name);
|
|
if (value) {
|
|
yield value;
|
|
}
|
|
|
|
for (const child of this[_children]) {
|
|
if (child[$nodeName] === name) {
|
|
yield child;
|
|
}
|
|
|
|
if (allTransparent) {
|
|
yield* child[$getChildrenByNameIt](name, allTransparent);
|
|
}
|
|
}
|
|
}
|
|
|
|
*[$getAttributeIt](name, skipConsumed) {
|
|
const value = this[_attributes].get(name);
|
|
if (value && (!skipConsumed || !value[$consumed])) {
|
|
yield value;
|
|
}
|
|
for (const child of this[_children]) {
|
|
yield* child[$getAttributeIt](name, skipConsumed);
|
|
}
|
|
}
|
|
|
|
*[$getRealChildrenByNameIt](name, allTransparent, skipConsumed) {
|
|
for (const child of this[_children]) {
|
|
if (child[$nodeName] === name && (!skipConsumed || !child[$consumed])) {
|
|
yield child;
|
|
}
|
|
|
|
if (allTransparent) {
|
|
yield* child[$getRealChildrenByNameIt](
|
|
name,
|
|
allTransparent,
|
|
skipConsumed
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
[$isDataValue]() {
|
|
if (this[_dataValue] === null) {
|
|
return (
|
|
this[_children].length === 0 ||
|
|
this[_children][0][$namespaceId] === NamespaceIds.xhtml.id
|
|
);
|
|
}
|
|
return this[_dataValue];
|
|
}
|
|
|
|
[$getDataValue]() {
|
|
if (this[_dataValue] === null) {
|
|
if (this[_children].length === 0) {
|
|
return this[$content].trim();
|
|
}
|
|
if (this[_children][0][$namespaceId] === NamespaceIds.xhtml.id) {
|
|
return this[_children][0][$text]().trim();
|
|
}
|
|
return null;
|
|
}
|
|
return this[$content].trim();
|
|
}
|
|
|
|
[$dump]() {
|
|
const dumped = Object.create(null);
|
|
if (this[$content]) {
|
|
dumped.$content = this[$content];
|
|
}
|
|
dumped.$name = this[$nodeName];
|
|
|
|
dumped.children = [];
|
|
for (const child of this[_children]) {
|
|
dumped.children.push(child[$dump]());
|
|
}
|
|
|
|
dumped.attributes = Object.create(null);
|
|
for (const [name, value] of this[_attributes]) {
|
|
dumped.attributes[name] = value[$content];
|
|
}
|
|
|
|
return dumped;
|
|
}
|
|
}
|
|
|
|
class ContentObject extends XFAObject {
|
|
constructor(nsId, name) {
|
|
super(nsId, name);
|
|
this[$content] = "";
|
|
}
|
|
|
|
[$onText](text) {
|
|
this[$content] += text;
|
|
}
|
|
|
|
[$finalize]() {}
|
|
}
|
|
|
|
class OptionObject extends ContentObject {
|
|
constructor(nsId, name, options) {
|
|
super(nsId, name);
|
|
this[_options] = options;
|
|
}
|
|
|
|
[$finalize]() {
|
|
this[$content] = getKeyword({
|
|
data: this[$content],
|
|
defaultValue: this[_options][0],
|
|
validate: k => this[_options].includes(k),
|
|
});
|
|
}
|
|
|
|
[$clean](builder) {
|
|
super[$clean](builder);
|
|
delete this[_options];
|
|
}
|
|
}
|
|
|
|
class StringObject extends ContentObject {
|
|
[$finalize]() {
|
|
this[$content] = this[$content].trim();
|
|
}
|
|
}
|
|
|
|
class IntegerObject extends ContentObject {
|
|
constructor(nsId, name, defaultValue, validator) {
|
|
super(nsId, name);
|
|
this[_defaultValue] = defaultValue;
|
|
this[_validator] = validator;
|
|
}
|
|
|
|
[$finalize]() {
|
|
this[$content] = getInteger({
|
|
data: this[$content],
|
|
defaultValue: this[_defaultValue],
|
|
validate: this[_validator],
|
|
});
|
|
}
|
|
|
|
[$clean](builder) {
|
|
super[$clean](builder);
|
|
delete this[_defaultValue];
|
|
delete this[_validator];
|
|
}
|
|
}
|
|
|
|
class Option01 extends IntegerObject {
|
|
constructor(nsId, name) {
|
|
super(nsId, name, 0, n => n === 1);
|
|
}
|
|
}
|
|
|
|
class Option10 extends IntegerObject {
|
|
constructor(nsId, name) {
|
|
super(nsId, name, 1, n => n === 0);
|
|
}
|
|
}
|
|
|
|
export {
|
|
$acceptWhitespace,
|
|
$addHTML,
|
|
$appendChild,
|
|
$break,
|
|
$childrenToHTML,
|
|
$clean,
|
|
$cleanup,
|
|
$clone,
|
|
$consumed,
|
|
$content,
|
|
$data,
|
|
$dump,
|
|
$extra,
|
|
$finalize,
|
|
$flushHTML,
|
|
$getAttributeIt,
|
|
$getAvailableSpace,
|
|
$getChildren,
|
|
$getChildrenByClass,
|
|
$getChildrenByName,
|
|
$getChildrenByNameIt,
|
|
$getDataValue,
|
|
$getNextPage,
|
|
$getParent,
|
|
$getRealChildrenByNameIt,
|
|
$global,
|
|
$hasItem,
|
|
$hasSettableValue,
|
|
$ids,
|
|
$indexOf,
|
|
$insertAt,
|
|
$isCDATAXml,
|
|
$isDataValue,
|
|
$isDescendent,
|
|
$isTransparent,
|
|
$namespaceId,
|
|
$nodeName,
|
|
$nsAttributes,
|
|
$onChild,
|
|
$onChildCheck,
|
|
$onText,
|
|
$removeChild,
|
|
$resolvePrototypes,
|
|
$root,
|
|
$searchNode,
|
|
$setId,
|
|
$setSetAttributes,
|
|
$setValue,
|
|
$text,
|
|
$toHTML,
|
|
$toStyle,
|
|
$uid,
|
|
ContentObject,
|
|
IntegerObject,
|
|
Option01,
|
|
Option10,
|
|
OptionObject,
|
|
StringObject,
|
|
XFAAttribute,
|
|
XFAObject,
|
|
XFAObjectArray,
|
|
XmlObject,
|
|
};
|