mirror of
https://github.com/gnh1201/welsonjs.git
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189 lines
6.1 KiB
JavaScript
189 lines
6.1 KiB
JavaScript
//////////////////////////////////////////////////////////////////////////////////
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//
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// file.js
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//
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// Common routines. Defines LIB object which contains the API, as well as
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// a global console.log function.
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//
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/////////////////////////////////////////////////////////////////////////////////
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var LIB = require('lib/std');
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/////////////////////////////////////////////////////////////////////////////////
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// Private APIs / Utility functions
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/////////////////////////////////////////////////////////////////////////////////
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exports.VERSIONINFO = "File Lib (file.js) version 0.2";
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exports.global = global;
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exports.require = global.require;
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/////////////////////////////////////////////////////////////////////////////////
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// exports.fileExists
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/////////////////////////////////////////////////////////////////////////////////
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exports.fileExists = function(FN) {
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var FSO = CreateObject("Scripting.FileSystemObject");
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var exists = FSO.FileExists(FN);
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FSO = null;
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return exists;
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};
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/////////////////////////////////////////////////////////////////////////////////
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// exports.folderExists
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/////////////////////////////////////////////////////////////////////////////////
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exports.folderExists = function(FN) {
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var FSO = CreateObject("Scripting.FileSystemObject");
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var exists = FSO.FolderExists(FN);
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FSO = null;
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return exists;
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};
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/////////////////////////////////////////////////////////////////////////////////
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// exports.fileGet
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/////////////////////////////////////////////////////////////////////////////////
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exports.fileGet = function(FN) {
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var FSO = CreateObject("Scripting.FileSystemObject");
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var file = FSO.GetFile(FN);
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FSO = null;
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return file;
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};
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/////////////////////////////////////////////////////////////////////////////////
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// exports.readFile
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// Read the conents of the pass filename and return as a string
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/////////////////////////////////////////////////////////////////////////////////
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exports.readFile = function(FN, charset) {
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if(typeof(charset) === "undefined") {
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var FSO = CreateObject("Scripting.FileSystemObject");
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var T = null;
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try {
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var TS = FSO.OpenTextFile(FN, 1);
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if (TS.AtEndOfStream) return "";
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T = TS.ReadAll();
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TS.Close();
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TS = null;
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} catch (e) {
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console.log("ERROR! " + e.number + ", " + e.description + ", FN=" + FN);
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}
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FSO = null;
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return T;
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} else {
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var fsT = CreateObject("ADODB.Stream");
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fsT.CharSet = charset;
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fsT.Open();
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fsT.LoadFromFile(FN);
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T = fsT.ReadText();
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fsT = null;
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return T;
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}
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};
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/////////////////////////////////////////////////////////////////////////////////
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// exports.writeFile
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// Write the passed content to named disk file
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/////////////////////////////////////////////////////////////////////////////////
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exports.writeFile = function(FN, content, charset) {
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var Stream_No_UTF8_BOM = function(objStream) {
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var _objStream = CreateObject("ADODB.Stream");
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_objStream.Type = 1;
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_objStream.Mode = 3;
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_objStream.Open();
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objStream.Position = 3;
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objStream.CopyTo(_objStream);
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objStream.Flush();
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objStream.Close();
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return _objStream;
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};
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var ok;
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if (charset) {
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console.log("WRITE TO DISK USING ADODB.Stream CHARSET " + charset);
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try {
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var fsT = CreateObject("ADODB.Stream");
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fsT.Type = 2; // save as text/string data.
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fsT.Charset = charset; // Specify charset For the source text data.
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fsT.Open();
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fsT.WriteText(content);
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if (charset == "utf-8") {
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Stream_No_UTF8_BOM(fsT).SaveToFile(FN, 2); // save as binary to disk
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} else {
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fsT.SaveToFile(FN, 2); // save as binary to disk
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}
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ok = true;
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} catch (e) {
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console.log("ADODB.Stream: ERROR! " + e.number + ", " + e.description + ", FN=" + FN);
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}
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} else {
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console.log("WRITE TO DISK USING OpenTextFile CHARSET ascii");
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var FSO = CreateObject("Scripting.FileSystemObject");
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try {
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var TS = FSO.OpenTextFile(FN, 2, true, 0); // ascii
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TS.Write(content);
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TS.Close();
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TS = null;
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ok = true;
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} catch (e) {
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console.log("OpenTextFile: ERROR! " + e.number + ", " + e.description + ", FN=" + FN);
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}
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FSO = null;
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}
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return ok;
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};
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exports.writeBinaryFile = function(FN, DATA) {
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var adTypeText = 1;
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var adSaveCreateOverWrite = 2;
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var BinaryStream = CreateObject("ADODB.Stream");
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BinaryStream.Type = adTypeText;
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BinaryStream.Open();
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BinaryStream.Write(DATA);
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BinaryStream.SaveToFile(FN, adSaveCreateOverWrite);
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BinaryStream.Close();
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};
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/////////////////////////////////////////////////////////////////////////////////
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// exports.moveFile
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/////////////////////////////////////////////////////////////////////////////////
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exports.moveFile = function(FROM, TO) {
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var FSO = CreateObject("Scripting.FileSystemObject");
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var res = FSO.MoveFile(FROM, TO);
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FSO = null;
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return res;
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};
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/////////////////////////////////////////////////////////////////////////////////
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// exports.createFolder
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/////////////////////////////////////////////////////////////////////////////////
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exports.createFolder = function(FN) {
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var FSO = CreateObject("Scripting.FileSystemObject");
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var res = FSO.CreateFolder(FN);
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FSO = null;
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return res;
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};
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/////////////////////////////////////////////////////////////////////////////////
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// exports.deleteFile
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/////////////////////////////////////////////////////////////////////////////////
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exports.deleteFile = function(FN) {
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var FSO = CreateObject("Scripting.FileSystemObject");
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var res = FSO.DeleteFile(FN);
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FSO = null;
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return res;
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};
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/////////////////////////////////////////////////////////////////////////////////
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exports.includeFile = function(FN) {
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var fso = CreateObject("Scripting.FileSystemObject");
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var fileStream = fso.openTextFile(FN);
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var fileData = fileStream.readAll();
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fileStream.Close();
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eval(fileData);
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};
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