61 lines
1.7 KiB
JavaScript
61 lines
1.7 KiB
JavaScript
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'use strict';
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const fs = require('fs');
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console.log('starting');
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const inFile = 'WiFiManager.template.html';
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const outFile = 'template.h';
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const defineRegEx = /<!-- ([A-Z_]+) -->/gm;
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console.log('parsing', inFile);
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fs.readFile(inFile, 'utf8', function (err,data) {
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if (err) {
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return console.log(err);
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}
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//console.log(data);
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let defines = data.match(defineRegEx);
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//console.log(defines);
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var stream = fs.createWriteStream(outFile);
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stream.once('open', function(fd) {
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for (const i in defines) {
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const start = defines[i];
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const end = start.replace('<!-- ', '<!-- /')
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defineRegEx.lastIndex = 0;
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const constantName = defineRegEx.exec(start)[1];
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console.log(constantName);
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var extractRE = new RegExp(start + '([\\s\\S]+)' + end, 'gm');
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let extractArray = extractRE.exec(data);
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if(extractArray.length > 1) {
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let def = extractArray[1];
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//console.log(def);
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//minimise a bit
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def = def.replace(/\s+/g, ' ');
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def = def.replace(/>\s+</g, '><');
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def = def.trim();
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//more extraneous spaces - possible bad results, needs to be checked
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//def = def.replace(/(\w)\s(\W)|(\W)\s(\w)|(\W)\s(\W)/g, '$1$2$3$4$5$6');
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def = def.replace(/(\w)\s(\W)|(\W)\s(\w)/g, '$1$2$3$4');
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//escape double quotes
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def = def.replace(/\\([\s\S])|(")/g, "\\$1$2");
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console.log(def);
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//const char HTTP_HEAD[] PROGMEM =
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let string = 'const char ' + constantName + '[] PROGMEM';
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for (let i = string.length; i < 42; i++) {
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string += ' ';
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}
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string += '= "' + def + '";\n';
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stream.write(string);
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}
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}
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stream.end();
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});
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});
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