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Use abiword --to parameter instead of abicommand for document conversions.

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Randy 2011-08-03 15:57:11 -07:00
parent 5b5230b28c
commit e8d84b6058
3 changed files with 63 additions and 62 deletions
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84
node/utils/Abiword.js
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@ -20,73 +20,45 @@
var util = require('util');
var spawn = require('child_process').spawn;
var async = require("async");
var settings = require("./Settings");
//Queue with the converts we have to do
var queue = async.queue(doConvertTask, 1);
//spawn the abiword process
var abiword = spawn(settings.abiword, ["--plugin", "AbiCommand"]);
//append error messages to the buffer
abiword.stderr.on('data', function (data)
{
stdoutBuffer += data.toString();
});
//throw exceptions if abiword is dieing
abiword.on('exit', function (code)
{
throw "Abiword died with exit code " + code;
});
//delegate the processing of stdout to a other function
abiword.stdout.on('data',onAbiwordStdout);
var stdoutCallback = null;
var stdoutBuffer = "";
var firstPrompt = true;
function onAbiwordStdout(data)
{
//add data to buffer
stdoutBuffer+=data.toString();
//we're searching for the prompt, cause this means everything we need is in the buffer
if(stdoutBuffer.search("AbiWord:>") != -1)
{
//filter the feedback message
var err = stdoutBuffer.search("OK") != -1 ? null : stdoutBuffer;
//reset the buffer
stdoutBuffer = "";
//call the callback with the error message
//skip the first prompt
if(stdoutCallback != null && !firstPrompt)
{
stdoutCallback(err);
stdoutCallback = null;
}
firstPrompt = false;
}
}
function doConvertTask(task, callback)
{
abiword.stdin.write("convert " + task.srcFile + " " + task.destFile + " " + task.type + "\n");
//span an abiword process to perform the conversion
var abiword = spawn(settings.abiword, ["--to=" + task.destFile, task.srcFile]);
//create a callback that calls the task callback and the caller callback
stdoutCallback = function (err)
//delegate the processing of stdout to another function
abiword.stdout.on('data', function (data)
{
//add data to buffer
stdoutBuffer+=data.toString();
});
//append error messages to the buffer
abiword.stderr.on('data', function (data)
{
stdoutBuffer += data.toString();
});
//throw exceptions if abiword is dieing
abiword.on('exit', function (code)
{
if(code != 0) {
throw "Abiword died with exit code " + code;
}
if(stdoutBuffer != "")
{
console.log(stdoutBuffer);
}
callback();
task.callback(err);
};
});
}
exports.convertFile = function(srcFile, destFile, type, callback)
{
queue.push({"srcFile": srcFile, "destFile": destFile, "type": type, "callback": callback});
doConvertTask({"srcFile": srcFile, "destFile": destFile, "type": type}, callback);
};