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// 通过简单ast结构查找ast节点
const filterProps = require('./filter-prop.js');
const traverse = require('./html-traverse')
const NodePath = require('../NodePath');
const generate = require('./serialize-node');
let Expando = 'g123o456g789o';
function checkIsMatch(full, partial, extraData, strictSequence) {
return Object.keys(partial).every(prop => {
if (prop == 'children') {
// 匹配一段代码
if (full.children && partial.children.length == 1
&& partial.children[0].nodeType == 'text'
&& (partial.children[0].content.value.content.match
)) {
if (partial.children[0].content.value.content.match(Expando)) {
const expandoKey = partial.children[0].content.value.content.replace(Expando, '') || '0';
extraData[expandoKey] = extraData[expandoKey] || [];
extraData[expandoKey].push({ node: full.children, value: full.children.map(c => generate(c)).join('\n') })
return true;
} else if (partial.children[0].content.value.content.match(new RegExp(Expando.slice(0, -1) + '\\$3'))) {
find$$$(partial[prop], full[prop], extraData, strictSequence);
return true;
}
}
}
Iif (!full || !partial) {
return false;
} else if (isObject(partial[prop])) {
let res = false;
let has$$$ = false;
if (Array.isArray(partial[prop])) {
// 处理$$$这种情况
has$$$ = find$$$(partial[prop], full[prop], extraData, strictSequence);
}
if (Array.isArray(partial[prop]) && !strictSequence) {
if (hasOwn(full, prop)) {
res = partial[prop].every(p => {
let a = false;
Iif (!full[prop].length && partial[prop].length == 1 && has$$$) {
return true
}
full[prop] && full[prop].forEach(f => {
if (checkIsMatch(f, p, extraData, strictSequence)) {
a = true;
}
});
return a;
});
} else {
if (partial[prop].length == 1 && has$$$) {
return true
}
return false
}
} else {
// todo
try {
Iif (partial[prop].type == 'token:attribute-value' && !full[prop]) {
if (partial[prop].content.match && partial[prop].content.match(Expando)) {
const expandoKey = partial[prop].content.replace(Expando, '') || '0';
extraData[expandoKey] = extraData[expandoKey] || [];
extraData[expandoKey].push({ node: null, value: null })
return true;
}
}
res = hasOwn(full, prop) && checkIsMatch(full[prop], partial[prop], extraData, strictSequence);
} catch (e) {
console.log(e)
}
}
return res;
} else {
if (partial[prop].match && partial[prop].match(new RegExp(Expando.slice(0, -1) + '\\$3'))) {
return true;
}
if (partial[prop] == Expando || (partial[prop].match && partial[prop].match(Expando))) {
let extra = {
node: full
};
const expandoKey = partial[prop].replace(Expando, '') || '0';
extraData[expandoKey] = extraData[expandoKey] || [];
Iif (!full) return;
if (full[prop] !== undefined) {
extra.value = full[prop] || '';
} else E{
extra.value = {};
filterProps(full, extra.value);
}
extraData[expandoKey].push(extra);
return true;
} else Eif (partial[prop]) {
// const reg = /^(?:\$\[).*(?=\]\$)/;
}
if (prop == 'content') {
Iif (partial[prop].trim().match(new RegExp(Expando))) {
return true;
} else {
if (partial.type == 'token:attribute-key') {
return full ? full[prop] == partial[prop].trim() : false;
}
return full ? !!full[prop].match(escapeRegExp(partial[prop].trim())) : false;
}
} else {
return full ? full[prop] == partial[prop] : false;
}
}
});
}
function find$$$(partial, full, extraData, strictSequence) {
// 先考虑strctSequence = false的情况
let key$$$;
let index$$$ = -1;
let i = 0;
while(partial[i]) {
const p = partial[i];
for (const key in p) {
// 属性中包含$$$
let value = '';
if (p[key] && p[key].value && p[key].value.content) {
value = p[key].value.content
} else if (p[key] && p[key].content) {
value = p[key].content
}
if (p.nodeType == 'text') {
const start = value.indexOf(Expando.slice(0, -1) + '$3')
if (start > -1 && value.slice(0, start).trim()) {
p.content.value.content = value.slice(0, start)
partial[i + 1] = {
nodeType: 'text',
content: {
value: {
content: value.slice(start),
type:'token:text'
}
}
}
value = p.content.value.content
}
}
if (value && value.match && value.match(new RegExp(Expando.slice(0, -1) + '\\$3'))) {
key$$$ = value.match(new RegExp(`(?<=${Expando.slice(0, -1)}\\$3)([0-9]|[a-z]|[A-Z])*`))[0] || '$'
index$$$ = i;
break;
}
}
i++
}
if (!key$$$) {
return false;
}
const extraNodeList = full ? full.slice(0) : [];
partial.forEach((p, i) => {
if (i == index$$$) {
return;
}
let fi = 0;
while(extraNodeList[fi]) {
if (checkIsMatch(extraNodeList[fi], p, {}, strictSequence)) {
extraNodeList.splice(fi, 1);
} else {
fi++;
}
}
})
extraData[`$$$${key$$$}`] = (extraData[`$$$${key$$$}`] || []).concat(extraNodeList);
return true;
}
function find(nodeType, structure, strictSequence, deep, expando = 'g123o456g789o') {
const nodePathList = [];
const matchWildCardList = [];
let isMatch = false;
Expando = expando
const traverseMap = {
tag: (nodeType == 'tag' || nodeType == 'script') ? [{
value: (structure.content.name || '').match(Expando) ? '' : structure.content.name,
handle(tagContent, { attrMap, parentRef, nodeRef } = {}) {
tagContent, attrMap, parentRef
const matchWildCard = {};
isMatch = checkIsMatch(nodeRef, structure, matchWildCard, strictSequence);
if (isMatch) {
nodePathList.push(linkParentPath(nodeRef));
matchWildCardList.push(matchWildCard)
}
}
}] : [],
attr: [],
text: nodeType == 'text' ? [{
value: [(structure.content.trim && structure.content.trim() == Expando || structure.content.value.content.trim() == Expando) ? '' : structure.content.value.content.trim()],
type: 'containOne',
handle(node) {
nodePathList.push(linkParentPath(node));
matchWildCardList.push(node.content.value.content);
}
}]: []
}
if (nodeType != 'tag' && nodeType != 'script' && nodeType != 'text') {
traverseMap[nodeType] = [{
handle(node) {
nodePathList.push(linkParentPath(node));
if (node.content.value) {
matchWildCardList.push(node.content.value.content);
}
}
}]
}
traverse(this, traverseMap)
return { nodePathList, matchWildCardList };
}
function linkParentPath(node) {
while(node) {
const pPath = node.parentRef ? linkParentPath(node.parentRef) : null;
const path = new NodePath(node, pPath, pPath);
return path;
}
return null
}
module.exports = { find }; |