feat: add parse2Object fun

yunnysunny · Sep 24, 2023 · f911146 · f911146
1 parent db3ed32
commit f911146
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Showing 6 changed files with 80 additions and 7 deletions.
diff --git a/.eslintrc.js b/.eslintrc.js
@@ -2,6 +2,10 @@ module.exports = {
     plugins: [
     // 'eslint-plugin-tsdoc',
     ],
+    'parserOptions': {
+        'ecmaVersion': 2018,
+        'requireConfigFile': false
+    },
     extends: [
         'eslint:recommended',
     ],

diff --git a/README.md b/README.md
@@ -46,7 +46,7 @@ aaa bbb "ccc xxx"
 const rv2 = parse(table2);
 console.log(JSON.stringify(rv2));
 ```
-Will print `{"lines":[["aaa","bbb","ccc xxx"],["111","222 yyy","333"],["222 zzz","777","888"],["333 888","444 000","444"]],"firstLine":["key1 000","444"]],"firstLine":["key1","key2","key3"]}`
+Will print `{"lines":[["aaa","bbb","ccc xxx"],["111","222 yyy","333"],["222 zzz","777","888"],["333 888","444 000","444"]],"firstLine":["key1","key2","key3"]}`
 
 ## License
 

diff --git a/index.d.ts b/index.d.ts
@@ -1,9 +1,19 @@
 
+interface ParseOptions {
+  /**
+   * @defaultValue [' ', '/t']
+   */
+  splitChars?: string[]
+}
 interface ReadTable {
-  parse(output: string): {
+  parse(output: string, options?: ParseOptions): {
     fistLine: string[],
     lines: string[][]
   }
+  parseObject(output: string, options?: ParseOptions) : {
+    fistLine: string[],
+    records: Map<string, string>[]
+  }
 }
 declare const readTable: ReadTable
 export default readTable
diff --git a/index.js b/index.js
@@ -3,14 +3,19 @@ const SPACE_CHARS = [
     '\t',
 ];
 const QUOTATION_CHAR = '"';
-function isSpace(char) {
-    return SPACE_CHARS.indexOf(char) !== -1 ? char : null;
+function isSpace(char, splitChars) {
+    return splitChars.indexOf(char) !== -1 ? char : null;
 }
 /**
  * Parsing table like output to object array
  * @param {string} output 
+ * @param {ParseOptions} options
  */
-exports.parse = function(output) {
+exports.parse = function(output, options) {
+    options = {
+        splitChars: SPACE_CHARS,
+        ...(options || {})
+    };
     const len = output.length;
     let firstLine = [];
     let currentLine = [];
@@ -62,7 +67,7 @@ exports.parse = function(output) {
                 firstLine = currentLine.splice(0);
             }
             break;
-        case isSpace(char): // get a space
+        case isSpace(char, options.splitChars): // get a space
             if ((quotationStart && !quotationEnd)) {
                 currentField += char;
             }
@@ -84,7 +89,7 @@ exports.parse = function(output) {
             lastChar = char;
             break;
         default:
-            if (isSpace(lastChar)) {
+            if (isSpace(lastChar, options.splitChars)) {
                 if ((quotationStart)) {
                     // skip
                 } else if (quotationEnd) {
@@ -106,4 +111,25 @@ exports.parse = function(output) {
         lines,
         firstLine
     };
+};
+/**
+ * Parsing table like output to object array
+ * @param {string} output 
+ */
+exports.parse2Object = function(output, options) {
+    const parsed = exports.parse(output, options);
+    const { firstLine, lines } = parsed;
+    const keyLen = firstLine.length;
+    if (lines.length === 0) {
+        return { firstLine, records: [] };
+    }
+    const records = lines.map(function doLoop(line) {
+        const record = new Map();
+        for (let i = 0; i < keyLen; i++) {
+            const key = firstLine[i];
+            record.set(key, line[i]);
+        }
+        return record;
+    });
+    return { firstLine, records };
 };
diff --git a/test/basic.test.js b/test/basic.test.js
@@ -1,5 +1,8 @@
 const { parse } = require('..');
 const { expect } = require('chai');
+const fs = require('fs');
+const path = require('path');
+const { parse2Object } = require('..');
 describe('basic test', function () {
     it('plain field', function () {
         const table = `
@@ -35,6 +38,11 @@ aaa bbb "ccc xxx"
             'firstLine': ['key1', 'key2', 'key3']
         });
     });
+    it('process test', function() {
+        const content = fs.readFileSync(path.join(__dirname, 'resources/process.txt'));
+        const rv = parse2Object(content.toString(), {splitChars: ['\t']});
+        expect(rv.records.length).to.gt(0);
+    });
 });
 
 

diff --git a/test/resources/process.txt b/test/resources/process.txt
@@ -0,0 +1,25 @@
+Process	CPU	Private Bytes	Working Set	PID	Description	Company Name	Command Line	GPU
+System Idle Process	46.89	60 K	8 K	0				
+vmmem	9.15	552,064 K	550,928 K	21020				
+procexp64.exe	8.53	58,172 K	86,124 K	20500	Sysinternals Process Explorer	Sysinternals - www.sysinternals.com	"D:\greensoft\SysinternalsSuite\procexp64.exe" 	
+msrdc.exe	6.10	184,484 K	66,544 K	68880	远程桌面	Microsoft Corporation	msrdc.exe /v:99BDFB01-31EE-4AC4-85A2-AECBBAAF1726 /hvsocketserviceid:F1D7F981-FACB-11E6-BD58-64006A7986D3 /silent /wslg /plugin:WSLDVC_PACKAGE /wslgsharedmemorypath:WSL\99BDFB01-31EE-4AC4-85A2-AECBBAAF1726\wslg "C:\Program Files\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForLinux_1.2.5.0_x64__8wekyb3d8bbwe\wslg.rdp"	
+System	5.52	192 K	96 K	4				
+MsMpEng.exe	5.33	507,644 K	386,252 K	5408	Antimalware Service Executable	Microsoft Corporation	"C:\ProgramData\Microsoft\Windows Defender\Platform\4.18.23080.2006-0\MsMpEng.exe"	
+explorer.exe	4.36	817,980 K	253,904 K	8564	Windows 资源管理器	Microsoft Corporation	C:\WINDOWS\Explorer.EXE	
+vmwp.exe	2.46	9,648 K	20,052 K	21440				
+Interrupts	2.14	 K	 K	n/a	Hardware Interrupts and DPCs			
+dwm.exe	1.56	232,100 K	164,804 K	1360				
+dllhost.exe	1.29	5,680 K	11,076 K	13728	COM Surrogate	Microsoft Corporation	C:\WINDOWS\SYSTEM32\DLLHOST.EXE /PROCESSID:{DFB65C4C-B34F-435D-AFE9-A86218684AA8}	
+Taskmgr.exe	1.00	180,012 K	163,244 K	41584				
+ctfmon.exe	0.60	51,196 K	48,072 K	9696				
+conhost.exe	0.45	6,940 K	13,100 K	30468	控制台窗口主机	Microsoft Corporation	\??\C:\WINDOWS\system32\conhost.exe 0x4	
+audiodg.exe	0.43	5,416 K	9,472 K	72308				
+conhost.exe	0.38	6,884 K	13,148 K	74100	控制台窗口主机	Microsoft Corporation	\??\C:\WINDOWS\system32\conhost.exe 0x4	
+svchost.exe	0.36	13,776 K	18,872 K	3088	Windows 服务主进程	Microsoft Corporation	C:\WINDOWS\system32\svchost.exe -k appmodel -p	
+wslhost.exe	0.36	1,888 K	9,172 K	36952	Windows Subsystem for Linux	Microsoft Corporation	"C:\Program Files\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForLinux_1.2.5.0_x64__8wekyb3d8bbwe\wslhost.exe" --vm-id {99bdfb01-31ee-4ac4-85a2-aecbbaaf1726} --handle 2188	
+wslhost.exe	0.35	2,496 K	11,324 K	49084	Windows Subsystem for Linux	Microsoft Corporation	"C:\Program Files\WindowsApps\MicrosoftCorporationII.WindowsSubsystemForLinux_1.2.5.0_x64__8wekyb3d8bbwe\wslhost.exe" --vm-id {99bdfb01-31ee-4ac4-85a2-aecbbaaf1726} --handle 1628	
+csrss.exe	0.32	4,624 K	5,360 K	860				
+svchost.exe	0.29	56,804 K	55,896 K	4800	Windows 服务主进程	Microsoft Corporation	C:\WINDOWS\System32\svchost.exe -k LocalServiceNoNetwork -p	
+svchost.exe	0.26	25,516 K	30,692 K	964	Windows 服务主进程	Microsoft Corporation	C:\WINDOWS\system32\svchost.exe -k DcomLaunch -p	
+svchost.exe	0.24	5,540 K	9,464 K	3812	Windows 服务主进程	Microsoft Corporation	C:\WINDOWS\System32\svchost.exe -k LocalServiceNetworkRestricted -p	
+svchost.exe	0.22	22,212 K	19,560 K	1184	Windows 服务主进程	Microsoft Corporation	C:\WINDOWS\system32\svchost.exe -k RPCSS -p