/
test.js
executable file
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/
test.js
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/*
Copyright (C) 2007-2017 Claude SIMON (http://q37.info/contact/).
This file is part of XPPq.
XPPq is free software: you can redistribute it and/or
modify it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
XPPq is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with XPPq. If not, see <http://www.gnu.org/licenses/>.
*/
// Once installed, launch 'npm explore xppq -- node test.js'.
// You can submit an additional parameter of value from '0' to '4' as id of the test to launch.
"use strict"
var id = 4; // Default test id.
var inputs = {
STRING: 0,
FILE: 1,
};
const input = inputs.STRING;
const xml = '\
<?xml version="1.0" encoding="UTF-8"?>\n\
<SomeTag xmlns:xpp="http://q37.info/ns/xpp/" AnAttribute="SomeAttributeValue">\n\
<SomeOtherTag AnotherAttribute="AnotherAttributeValue">TagValue (in a string)</SomeOtherTag>\n\
<xpp:define name="SomeMacro">\n\
<xpp:bloc>Some macro content !</xpp:bloc>\n\
</xpp:define>\n\
<YetAnotherTag YetAnotherAttribute="YetAnotherAttributeValue">\n\
<xpp:expand select="SomeMacro"/>\n\
</YetAnotherTag>\n\
</SomeTag>\
';
const fs = require('fs');
const stream = require('stream');
const xppq = require('./XPPq.js');
var indentLevel = 0;
var out = "";
class StringStream extends stream.Readable {
constructor(text, options) {
super(options);
this.text = text;
}
_read() {
if (!this.eos) {
this.push(this.text);
this.eos = true
} else
this.push(null);
}
}
function write(text) {
out = out + text;
}
function indent(level) {
while (level--)
write('.');
}
function callback(token, tag, attribute, value) {
switch (token) {
case xppq.tokens.ERROR:
throw("ERROR :'" + value + "'\n");
break;
case xppq.tokens.DONE:
process.stdout.write(out);
break;
case xppq.tokens.START_TAG:
write("Start tag");
indent(indentLevel);
write(":'" + tag + "'\n");
indentLevel++;
break;
case xppq.tokens.ATTRIBUTE:
write("Attribute");
indent(indentLevel);
write(":'" + attribute + "' = '" + value + "'\n");
break;
case xppq.tokens.VALUE:
write("Value ");
indent(indentLevel);
write(":'" + value.trim() + "'\n");
break;
case xppq.tokens.END_TAG:
indentLevel--;
write("End tag ");
indent(indentLevel);
write(":'" + tag + "'\n");
break;
default:
throw ("Unknown token !!!");
break;
}
}
const arg = process.argv[2];
if (arg != undefined)
id = Number(arg);
function getStream() {
switch (input) {
case inputs.STRING:
return new StringStream(xml);
break;
case inputs.FILE:
return fs.createReadStream( __dirname + '/demo.xml' );
break;
default:
throw ("Bad input type...");
break;
}
}
console.log( xppq.componentInfo() );
console.log( xppq.wrapperInfo());
console.log( xppq.returnArgument('Basic test : this text comes from the addon (native code), and is written from Javascript.' ) );
console.log(' ---------------');
function test( id ) {
switch ( id ) {
case 0:
console.log("No treatment ; to see the original XML data.\n");
getStream().pipe(process.stdout);
break;
case 1:
console.log("Piping the preprocessing stream.\n");
new xppq.Stream(getStream()).on('error', (err) => console.error('\n>>> ERROR : ' + err + '\n')).pipe(process.stdout);
break;
case 2:
console.log("Using the preprocessing stream with a callback, which transforms to lower case.\n");
new xppq.Stream(getStream()).on('data', (chunk) => write(chunk.toString().toLowerCase())).on('error', (err) => console.error('\n>>> ERROR : ' + err + '\n')).on('end', () => console.log(out));
break;
case 3:
console.log("XML parsing WITHOUT preprocessing.\n");
xppq.parse(getStream(), callback);
break;
case 4:
console.log("XML parsing WITH preprocessing.\n");
xppq.parse(new xppq.Stream(getStream()).on('error', (err) => console.error('>>> ERROR : ' + err)), callback);
break;
default:
console.log("'" + id + "' is not a valid test id ; must be '0' to '4'.");
break;
}
}
test( id );