मिडियाविकि:TibetanTranslit.js
Note: After publishing, you may have to bypass your browser's cache to see the changes.
- Firefox / Safari: Hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (⌘-R on a Mac)
- Google Chrome: Press Ctrl-Shift-R (⌘-Shift-R on a Mac)
- Internet Explorer / Edge: Hold Ctrl while clicking Refresh, or press Ctrl-F5
- Opera: Press Ctrl-F5.
/*
This script is a modified version of Alex benenson's cyrillic translitarator and user Tatari's devnagari transliterator this verstion is created by user Eukesh
*/
var amhaHash='{"k":"ཀ","ཀh":"ཁ","g":"ག","ནg":"ང","c":"ཅ","ཅh":"ཆ","j":"ཇ","ནy":"ཉ","t":"ཏ","ཏh":"ཐ","d":"ད","n":"ན","p":"པ","པh":"ཕ","b":"བ","m":"མ","ཏs":"ཙ","ཙh":"ཚ","དz":"ཛ","w":"ཝ","z":"ཟ","ཟh":"ཞ","A":"འ","y":"ཡ","r":"ར","l":"ལ","སh":"ཤ","s":"ས","h":"ཧ",';
amhaHash+='"a":"ཨ","I":"ཨི","U":"ཨུ","E":"ཨེ","O":"ཨོ","i":"ི","u":"ུ","e":"ེ","o":"ོ","0":"༠","1":"༡","2":"༢","3":"༣","4":"༤","5":"༥","6":"༦","7":"༧","8":"༨","9":"༩"}';
// for compatibility with bookmarklets
function cyr_translit(src) {
return to_cyrillic(src);
}
var conversionHash = undefined;
var maxcyrlength = 0;
function getConversionHash() {
if (conversionHash == undefined) {
conversionHash = eval("("+amhaHash+")");
maxcyrlength=6;
}
return conversionHash;
}
function to_cyrillic(src, output, chunks) {
if (src == undefined || src == "" || src == null)
return src;
if (output == undefined)
output = new String();
var hash = getConversionHash();
var location = 0;
while (location < src.length) {
var len = Math.min(maxcyrlength, src.length - location);
var arr = undefined;
var sub;
while (len > 0) {
sub = src.substr(location, len);
arr = hash[sub];
if (arr != undefined)
break;
else
len--;
}
// need this for translit on the fly
if (chunks != undefined)
chunks[chunks.length] = sub;
if (arr == undefined) {
output += sub;
location ++;
}
else {
// case analysis
var newChar = arr;
if (sub.toLowerCase() == sub.toUpperCase() && arr.length > 1 && arr[1] && (newChar.toUpperCase() != newChar.toLowerCase())) {
// need translit hash to determine if previous character (and possibly the one before it)
// were converted and are in upper case
// set prevDud to true previous is not a translated character or simply a blank
// set prevCap to true if previous was translated and was upper case
var prevCh = output.length == 0 ? null : output.substr(output.length - 1, 1);
var prevDud = !prevCh || !getTranslitString(prevCh);
var prevCap = (!prevDud && prevCh == prevCh.toUpperCase());
// sub is caseless but result isn't. case will depend on lookbehind and lookahead
if (prevDud || !prevCap) {
output += newChar.toLowerCase();
prevCap = false;
}
else {
var next = " ";
if (location + len < src.length)
next = src.substr(location + len, 1);
if (next != next.toUpperCase() && next == next.toLowerCase() ) {
//next is lowercase (and not caseless)
output += newChar.toLowerCase();
}
else if (next == next.toUpperCase() && next != next.toLowerCase() ) {
// next is uppercase (and not caseless)
output += newChar.toUpperCase();
}
else {
// next is caseless. output case determined by the case of output[length - 2]
var pprevCh = output.length == 1 ? null : output.substr(output.length - 2, 1);
var pprevDud = !pprevCh || !getTranslitString(pprevCh);
if (!pprevDud && (pprevCh == pprevCh.toUpperCase())) {
//pre-prev is in upper case. output is also uppercase
output += newChar.toUpperCase();
}
else {
output += newChar.toLowerCase();
}
}
}
}
else if ((sub.toLowerCase() == sub.toUpperCase()) && (arr.length < 2 || !arr[1])) {
// literal treatment of newChar
output += newChar;
}
else if (sub != sub.toLowerCase()) {
// sub not all-lowercase
output += newChar.toUpperCase();
}
else {
// sub is lowercase
output += newChar.toLowerCase();
}
location += len;
}
}
return output;
}
function convertIt(src,converter){
var resultbuffer="";
for(var i=0;i<src.length;i++){
resultbuffer=converter(resultbuffer+src[i]);
}
return converter(resultbuffer);
}
var translitHash = undefined;
function initTranslit() {
if (translitHash == undefined) {
translitHash = new Array();
for (var i = 0; i < conversionHash.length; i++) {
var ch = conversionHash[i][1];
// if the translit string is not caseless, convert cyr string to upper case
// otherwise maintain its case
if (conversionHash[i][0].toUpperCase() != conversionHash[i][0].toLowerCase())
ch = ch.toUpperCase();
if (translitHash[ch] == undefined)
translitHash[ch] = conversionHash[i][0];
}
}
}
//-- translit on-the-fly --
function replaceValue(node, value, stepback) {
if (stepback == undefined)
stepback = 0;
if (isExplorer()) {
var range = document.selection.createRange();
range.moveStart("character", -stepback);
range.text = value;
range.collapse(false);
range.select();
}
else {
var scrollTop = node.scrollTop;
var cursorLoc = node.selectionStart;
node.value = node.value.substring(0, node.selectionStart - stepback) + value +
node.value.substring(node.selectionEnd, node.value.length);
node.scrollTop = scrollTop;
node.selectionStart = cursorLoc + value.length - stepback;
node.selectionEnd = cursorLoc + value.length - stepback;
}
}
// compare positions
function positionIsEqual(other) {
if (isExplorer())
return this.position.isEqual(other.position);
else
return this.position == other.position;
}
function Position(node) {
if (node.selectionStart != undefined)
this.position = node.selectionStart;
else if (document.selection && document.selection.createRange())
this.position = document.selection.createRange();
this.isEqual = positionIsEqual;
}
function resetState() {
this.position = new Position(this.node);
this.transBuffer = "";
this.cyrBuffer = "";
}
function StateObject(node) {
this.node = node;
this.reset = resetState;
this.cyrBuffer = "";
this.transBuffer = "";
this.position = new Position(node);
}
var stateHash = new Array();
function isExplorer() {
return (document.selection != undefined && document.selection.createRange().isEqual != undefined);
}
function pressedKey(event) {
if (isExplorer())
return event.keyCode;
else
return event.which;
}
function translitonkey(event) {
/*
if ((event.keyCode == 255 && event.charCode > 0) || event.keyCode == 8) {
return;
}
*/
if (event == undefined)
event = window.event;
var node = null;
if (event.target)
node = event.target;
else if (event.srcElement)
node = event.srcElement;
// initialize state
var state = stateHash[node];
if (state == null) {
state = new StateObject(node);
stateHash[node] = state;
}
if ( (pressedKey(event) > 20) && !event.ctrlKey && !event.altKey && !event.metaKey) {
var c = String.fromCharCode(pressedKey(event));
// process input
var result = process_translit(state, c);
// finish up
if (c != result.out || result.replace != 0) {
if (isExplorer())
event.returnValue = false;
else
event.preventDefault();
replaceValue(node, result.out, result.replace);
state.position = new Position(node);
}
}
}
function TranslitResult() {
this.out = "";
this.replace = 0;
}
function process_translit(state, c) {
// reset state if position changed
if (!state.position.isEqual(new Position(state.node)))
state.reset();
var result = new TranslitResult();
// initial backbuffer. Add to it as characters are converted
var backbuffer = getBackBuffer(state.node, state.cyrBuffer.length, 2);
var chunks = new Array();
state.transBuffer = state.transBuffer+ c
var str = to_cyrillic(state.cyrBuffer+c, backbuffer, chunks);
// remove backbuffer from output
str = str.substr(backbuffer.length);
result.out = str;
/* str is now left alone - it has the output matching contents of chunks and
will be used to reinitialize backbuffers, along with chunks and state.transBuffer
*/
// get the difference between state.cyrBuffer and output
for (var i = 0; i < Math.min(state.cyrBuffer.length, result.out.length); i++) {
if (state.cyrBuffer.substr(i, 1) != result.out.substr(i, 1)) {
result.replace = state.cyrBuffer.length - i;
result.out = result.out.substr(i);
break;
}
}
if (result.replace == 0) {
if(result.out.length<state.cyrBuffer.length)
result.replace=state.cyrBuffer.length- result.out.length;
result.out = result.out.substr(Math.min(state.cyrBuffer.length, result.out.length));
// result.out+="\u0008"
}
// update state: backbuffer, bufferArray
if (chunks.length > 0 && chunks[chunks.length - 1] == result.out.substr(result.out.length - 1)) {
// no convertion took place, reset state
state.reset();
}
else {
while (state.transBuffer.length > maxcyrlength) {
state.transBuffer = state.transBuffer.substr(chunks[0].length);
chunks.shift();
str = str.substr(1);
}
state.cyrBuffer = str;
}
return result;
}
function getBackBuffer(node, offset, count) {
if (isExplorer()) { //.tagName.toUpperCase() == "EDITOR") {
var range = document.selection.createRange();
range.moveStart("character", -offset);
var result = range.text.substr(-count);
if (!result)
result = "";
return result;
} else {
return node.value.substring(0, node.selectionStart - offset).substr(-count);
}
}
// need this for bookmarklets
function getSelectedNode() {
if (document.activeElement)
return document.activeElement;
else
if (window.getSelection && window.getSelection() && window.getSelection().rangeCount > 0) {
var range = window.getSelection().getRangeAt(0);
if (range.startContainer && range.startContainer.childNodes && range.startContainer.childNodes.length > range.startOffset)
return range.startContainer.childNodes[range.startOffset]
}
return null;
}
function toggleCyrMode() {
var node = getSelectedNode();
if (node) {
if (stateHash[node]) {
if (removeKeyEventListener(node))
delete stateHash[node];
}
else {
if (addKeyEventListener(node))
stateHash[node] = new StateObject(node);
}
}
}
function addKeyEventListener(node) {
if (node.addEventListener)
node.addEventListener("keypress", translitonkey, false);
else if (node.attachEvent)
node.attachEvent("onkeypress", translitonkey);
else return false;
return true;
}
function removeKeyEventListener(node) {
if (node.removeEventListener)
node.removeEventListener("keypress", translitonkey, false);
else if (node.detachEvent)
node.detachEvent("onkeypress", translitonkey);
else return false;
return true;
}
function getSelectedText() {
if (isExplorer()) {
return document.selection.createRange().text;
}
else {
var node = getSelectedNode();
if (node && node.value && node.selectionStart != undefined && node.selectionEnd != undefined)
return node.value.substring(node.selectionStart, node.selectionEnd);
}
return "";
}