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index.js
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index.js
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var
xRegExp = require('xregexp').XRegExp,
fs=require('fs')
;
module.exports = function (rootPath){
var parserDir;
if(fs.existsSync(rootPath)){
parserDir = rootPath;
}
else{
throw("'"+rootPath+"' path does not exists");
}
function nbLineBeforeOffset(data, offset) {
var nbLineMatched = data.substr(0, offset-1).match(/\n/g);
if (null !== nbLineMatched) {
return nbLineMatched.length + 1;
}
else{
//if no new line is matched in the string, it means that the match occurs on the first line
return 1;
}
}
function Pattern(primitive){
var reCollection = [];
this.match = function(){
};
if(typeof primitive === "string"){
var patternCollection = primitive.split(',');
}
else{
var patternCollection = primitive;
}
}
function processFile(relativePath, filePattern, process, callback, finalCallBack){
var
rawData = '',
match,
realOffset = 0;
;
if (
null !== (parserDir + ((relativePath !== "")?'/':'') + relativePath).match(
new RegExp(
filePattern
.replace(/\*/,'.*')
.replace(/\?/,'.?')
+ "$"
)
)
){
fs.readFile(parserDir + ((relativePath !== "")?'/':'') + relativePath, function(err, data){
if (err) {
throw(
"cannot read file '"
+ parserDir + ((relativePath !== "")?'/':'') + relativePath
+ "'");
}
else{
rawData = data = data.toString();
console.warn('++',relativePath,
filePattern
.replace(/\*/,'.*')
.replace(/\?/,'.?')
+ "$"
);
match = xRegExp.exec(rawData, new xRegExp(process));
while (null !== match) {
realOffset += match.index + match[0].length;
rawData = data.substr(realOffset);
callback({name: relativePath, matches: match, line: nbLineBeforeOffset(data, realOffset)});
match = xRegExp.exec(rawData, new xRegExp(process));
}
finalCallBack(relativePath);
}
});
finalCallBack(relativePath);
}
};
function processPath (relativePath, filePattern, process, callback, finalCallBack){
var directoryContent = [];
function pathProcessingCallback (name) {
directoryContent.splice(directoryContent.indexOf(name.substr(relativePath.length).replace(/\/$/,'')),1);
if (directoryContent.length === 0) {
finalCallBack(relativePath);
}
}
fs.readdir(parserDir + ((relativePath !== "")?'/':'') + relativePath, function processPath(err, files){
if (err) {
console.warn(err);
}else{
directoryContent = files;
for (var i = 0, l = files.length; i < l; i++) {
processPathComponent(relativePath + files[i], filePattern, process, callback, pathProcessingCallback);
}
}
});
};
function processPathComponent(relativePath, filePattern, process, callback, finalCallBack) {
fs.stat(parserDir + (("" !== relativePath)?'/':'') + relativePath, function(err, stats){
if (err) {
callback({});
}else{
if(stats.isDirectory()){
processPath(("" !== relativePath)?relativePath.replace(/([^/])$/,'$1/'):'', filePattern, process, callback, finalCallBack);
}else{
if(stats.isFile()){
processFile(relativePath, filePattern, process, callback, finalCallBack);
}else{
//WTF ?
}
}
}
});
}
this.process = function(filePattern, process, callback, finalCallBack){
console.log(process.toString());
console.log(callback.toString());
console.log(finalCallBack.toString());
processPathComponent('',filePattern, process, callback, function(name){
finalCallBack();
});
};
};