mirror of
https://github.com/danbulant/node-html-parser
synced 2026-05-19 12:29:07 +00:00
Merge pull request #2 from jnarowski/master
eliminated dependence on new Function
This commit is contained in:
taoqf
GitHub
commit
50cbc8ebd4
2 changed files with 2967 additions and 13 deletions
2833
package-lock.json
generated
Normal file
2833
package-lock.json
generated
Normal file
File diff suppressed because it is too large
Load diff
147
src/index.ts
Normal file → Executable file
147
src/index.ts
Normal file → Executable file
|
|
@ -452,15 +452,118 @@ export class HTMLElement extends Node {
|
|||
}
|
||||
}
|
||||
|
||||
interface MatherFunction {
|
||||
(el: Node): boolean;
|
||||
}
|
||||
interface MatherFunction { func: any; tagName: string; classes: string | string[]; attr_key: any; value: any; }
|
||||
|
||||
/**
|
||||
* Cache to store generated match functions
|
||||
* @type {Object}
|
||||
*/
|
||||
let pMatchFunctionCache = {} as { [name: string]: MatherFunction };
|
||||
|
||||
/**
|
||||
* Function cache
|
||||
*/
|
||||
let functionCache = {
|
||||
"f145":function(el: any,tagName: string,classes: any[],attr_key: string,value: string){
|
||||
"use strict";
|
||||
tagName = tagName||"";
|
||||
classes = classes||[];
|
||||
attr_key = attr_key||"";
|
||||
value = value||"";
|
||||
if (el.id != tagName.substr(1)) return false;
|
||||
for (var cls = classes, i = 0; i < cls.length; i++) if (el.classNames.indexOf(cls[i]) === -1) return false;
|
||||
return true;
|
||||
},
|
||||
"f45":function(el: any,tagName: string,classes: any[],attr_key: string,value: string){
|
||||
"use strict";
|
||||
tagName = tagName||"";
|
||||
classes = classes||[];
|
||||
attr_key = attr_key||"";
|
||||
value = value||"";
|
||||
for (var cls = classes, i = 0; i < cls.length; i++) if (el.classNames.indexOf(cls[i]) === -1) return false;
|
||||
return true;
|
||||
},
|
||||
"f15":function(el: any,tagName: string,classes: any[],attr_key: string,value: string){
|
||||
"use strict";
|
||||
tagName = tagName||"";
|
||||
classes = classes||[];
|
||||
attr_key = attr_key||"";
|
||||
value = value||"";
|
||||
if (el.id != tagName.substr(1)) return false;
|
||||
return true;
|
||||
},
|
||||
"f1":function(el: any,tagName: string,classes: any[],attr_key: string,value: string){
|
||||
"use strict";
|
||||
tagName = tagName||"";
|
||||
classes = classes||[];
|
||||
attr_key = attr_key||"";
|
||||
value = value||"";
|
||||
if (el.id != tagName.substr(1)) return false;
|
||||
},
|
||||
"f5":function(el: any,tagName: string,classes: any[],attr_key: string,value: string){
|
||||
"use strict";
|
||||
el = el||{};
|
||||
tagName = tagName||"";
|
||||
classes = classes||[];
|
||||
attr_key = attr_key||"";
|
||||
value = value||"";
|
||||
return true;
|
||||
},
|
||||
"f245":function(el: any,tagName: string,classes: any[],attr_key: string,value: string){
|
||||
"use strict";
|
||||
tagName = tagName||"";
|
||||
classes = classes||[];
|
||||
attr_key = attr_key||"";
|
||||
value = value||"";
|
||||
var attrs = el.attributes;for (var key in attrs){const val = attrs[key]; if (key == attr_key && val == value){return true;}} return false;
|
||||
// for (var cls = classes, i = 0; i < cls.length; i++) {if (el.classNames.indexOf(cls[i]) === -1){ return false;}}
|
||||
// return true;
|
||||
},
|
||||
"f25":function(el: any,tagName: string,classes: any[],attr_key: string,value: string){
|
||||
"use strict";
|
||||
tagName = tagName||"";
|
||||
classes = classes||[];
|
||||
attr_key = attr_key||"";
|
||||
value = value||"";
|
||||
var attrs = el.attributes;for (var key in attrs){const val = attrs[key]; if (key == attr_key && val == value){return true;}} return false;
|
||||
//return true;
|
||||
},
|
||||
"f2":function(el: any,tagName: string,classes: any[],attr_key: string,value: string){
|
||||
"use strict";
|
||||
tagName = tagName||"";
|
||||
classes = classes||[];
|
||||
attr_key = attr_key||"";
|
||||
value = value||"";
|
||||
var attrs = el.attributes;for (var key in attrs){const val = attrs[key]; if (key == attr_key && val == value){return true;}} return false;
|
||||
},
|
||||
"f345":function(el: any,tagName: string,classes: any[],attr_key: string,value: string){
|
||||
"use strict";
|
||||
tagName = tagName||"";
|
||||
classes = classes||[];
|
||||
attr_key = attr_key||"";
|
||||
value = value||"";
|
||||
if (el.tagName != tagName) return false;
|
||||
for (var cls = classes, i = 0; i < cls.length; i++) if (el.classNames.indexOf(cls[i]) === -1) return false;
|
||||
return true;
|
||||
},
|
||||
"f35":function(el: any,tagName: string,classes: any[],attr_key: string,value: string){
|
||||
"use strict";
|
||||
tagName = tagName||"";
|
||||
classes = classes||[];
|
||||
attr_key = attr_key||"";
|
||||
value = value||"";
|
||||
if (el.tagName != tagName) return false;
|
||||
return true;
|
||||
},
|
||||
"f3":function(el: any,tagName: string,classes: any[],attr_key: string,value: string){
|
||||
"use strict";
|
||||
tagName = tagName||"";
|
||||
classes = classes||[];
|
||||
attr_key = attr_key||"";
|
||||
value = value||"";
|
||||
if (el.tagName != tagName) return false;
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Matcher class to make CSS match
|
||||
*
|
||||
|
|
@ -476,6 +579,7 @@ export class Matcher {
|
|||
* @memberof Matcher
|
||||
*/
|
||||
constructor(selector: string) {
|
||||
functionCache["f5"] = functionCache["f5"];
|
||||
this.matchers = selector.split(' ').map((matcher) => {
|
||||
if (pMatchFunctionCache[matcher])
|
||||
return pMatchFunctionCache[matcher];
|
||||
|
|
@ -483,12 +587,16 @@ export class Matcher {
|
|||
const tagName = parts[0];
|
||||
const classes = parts.slice(1).sort();
|
||||
let source = '"use strict";';
|
||||
let function_name = 'f';
|
||||
let attr_key = "";
|
||||
let value = "";
|
||||
if (tagName && tagName != '*') {
|
||||
let matcher: RegExpMatchArray;
|
||||
if (tagName[0] == '#') {
|
||||
source += 'if (el.id != ' + JSON.stringify(tagName.substr(1)) + ') return false;';
|
||||
source += 'if (el.id != ' + JSON.stringify(tagName.substr(1)) + ') return false;';//1
|
||||
function_name += '1';
|
||||
} else if (matcher = tagName.match(/^\[\s*(\S+)\s*(=|!=)\s*((((["'])([^\6]*)\6))|(\S*?))\]\s*/)) {
|
||||
const attr_key = matcher[1];
|
||||
attr_key = matcher[1];
|
||||
let method = matcher[2];
|
||||
if (method !== '=' && method !== '!=') {
|
||||
throw new Error('Selector not supported, Expect [key${op}value].op must be =,!=');
|
||||
|
|
@ -496,17 +604,30 @@ export class Matcher {
|
|||
if (method === '=') {
|
||||
method = '==';
|
||||
}
|
||||
const value = matcher[7] || matcher[8];
|
||||
source += `var attrs = el.attributes;for (var key in attrs){const val = attrs[key]; if (key == "${attr_key}" && val ${method} "${value}"){return true;}} return false;`;
|
||||
value = matcher[7] || matcher[8];
|
||||
|
||||
source += `var attrs = el.attributes;for (var key in attrs){const val = attrs[key]; if (key == "${attr_key}" && val == "${value}"){return true;}} return false;`;//2
|
||||
function_name += '2';
|
||||
} else {
|
||||
source += 'if (el.tagName != ' + JSON.stringify(tagName) + ') return false;';
|
||||
source += 'if (el.tagName != ' + JSON.stringify(tagName) + ') return false;';//3
|
||||
function_name += '3';
|
||||
}
|
||||
}
|
||||
if (classes.length > 0) {
|
||||
source += 'for (var cls = ' + JSON.stringify(classes) + ', i = 0; i < cls.length; i++) if (el.classNames.indexOf(cls[i]) === -1) return false;';
|
||||
source += 'for (var cls = ' + JSON.stringify(classes) + ', i = 0; i < cls.length; i++) if (el.classNames.indexOf(cls[i]) === -1) return false;';//4
|
||||
function_name += '4';
|
||||
}
|
||||
source += 'return true;';
|
||||
return pMatchFunctionCache[matcher] = new Function('el', source) as MatherFunction;
|
||||
source += 'return true;';//5
|
||||
function_name += '5';
|
||||
let obj = {
|
||||
func : functionCache[function_name],
|
||||
tagName: tagName||"",
|
||||
classes : classes||"",
|
||||
attr_key : attr_key||"",
|
||||
value : value||""
|
||||
}
|
||||
source = source||"";
|
||||
return pMatchFunctionCache[matcher] = obj as MatherFunction;
|
||||
});
|
||||
}
|
||||
/**
|
||||
|
|
@ -516,7 +637,7 @@ export class Matcher {
|
|||
*/
|
||||
advance(el: Node) {
|
||||
if (this.nextMatch < this.matchers.length &&
|
||||
this.matchers[this.nextMatch](el)) {
|
||||
this.matchers[this.nextMatch].func(el,this.matchers[this.nextMatch].tagName,this.matchers[this.nextMatch].classes,this.matchers[this.nextMatch].attr_key,this.matchers[this.nextMatch].value)) {
|
||||
this.nextMatch++;
|
||||
return true;
|
||||
}
|
||||
|
|
@ -677,4 +798,4 @@ export function parse(data: string, options?: {
|
|||
}
|
||||
}
|
||||
return root;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue