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const Cc = Components.classes;
const Ci = Components.interfaces;
var IO = exports.IO = function(inputStream, outputStream) {
this.inputStream = inputStream;
this.outputStream = outputStream;
};
IO.prototype.read = function(length) {
return this.inputStream(length);
};
IO.prototype.write = function(object) {
this.outputStream(object);
};
IO.prototype.flush = function() {
};
IO.prototype.close = function() {
};
IO.prototype.isatty = function () {
return false;
};
exports.TextInputStream = function (raw, lineBuffering, buffering, charset, options) {
var stream;
// if (charset === undefined) {
// if (buffering === undefined)
stream = raw.inputStream;
stream.QueryInterface(Ci.nsILineInputStream);
var self = this;
self.readLine = function () {
// var line = stream.readLine();
// if (line === null)
// return '';
// return String(line) + "\n";
};
self.iter = function () {
return self;
};
self.next = function () {
// var line = stream.readLine();
// if (line === null)
// throw new Error("StopIteration");
// return line;
};
self.input = function () {
throw "NYI";
};
self.readLines = function () {
var line = {},
lines = [],
hasmore;
do {
hasmore = stream.readLine(line);
lines.push(line.value);
} while(hasmore);
return lines;
};
self.read = function () {
return self.readLines().join("\n");
};
self.readInto = function (buffer) {
throw "NYI";
};
self.close = function () {
stream.close();
};
};
exports.TextIOWrapper = function (raw, mode, lineBuffering, buffering, charset, options) {
if (mode.update) {
return new exports.TextIOStream(raw, lineBuffering, buffering, charset, options);
} else if (mode.write || mode.append) {
return new exports.TextOutputStream(raw, lineBuffering, buffering, charset, options);
} else if (mode.read) {
return new exports.TextInputStream(raw, lineBuffering, buffering, charset, options);
} else {
throw new Error("file must be opened for read, write, or append mode.");
}
};
var StringIO = exports.StringIO = function (initial) {
var buffer = [];
if (initial) {
buffer = buffer.concat(initial.join(""));
}
function length() {
return buffer.length;
}
function read(length) {
var result;
if (arguments.length == 0) {
result = buffer.join("");
buffer = [];
return result;
} else {
if (!length || length < 1)
length = 1024;
length = Math.min(buffer.length, length);
result = buffer.slice(0, length).join("");
buffer = [];
return result;
}
}
function write(text) {
buffer = buffer.concat(text.split(""));
return self;
}
function copy(output) {
output.write(read()).flush();
return self;
}
function next() {
var pos, result;
if (buffer.length === 0) { throw StopIteration; }
pos = buffer.indexOf("\n");
if (pos === -1) { pos = buffer.length; }
result = read(pos);
read(1);
return result;
}
var self = {
get length() {
return length();
},
read: read,
write: write,
copy: copy,
close: function () {
return self;
},
flush: function () {
return self;
},
iterator: function () {
return self;
},
forEach: function (block) {
while (true) {
try {
block.call(this, next());
} catch (exception) {
if (exception instanceof StopIteration)
break;
throw exception;
}
}
},
readLine: function () {
var pos = buffer.indexOf("\n");
if (pos === -1) { pos = buffer.length; }
return read(pos + 1);
},
next: next,
print: function (line) {
return write(line + "\n").flush();
},
toString: function() {
return buffer.join("");
},
substring: function () {
var string = buffer.join("");
return string.substring.apply(string, arguments);
},
slice: function () {
var string = buffer.join("");
return string.slice.apply(string, arguments);
},
substr: function () {
var string = buffer.join("");
return string.substr.apply(string, arguments);
}
};
return self;
};
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