Initial Revision
This commit is contained in:
Deon George
54
mods/load/texdefs.js
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54
mods/load/texdefs.js
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/**
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* ANSItex definitions
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*/
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var ACTION_RELOAD =1; /* Reload the current frame */
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var ACTION_GOTO =2; /* Goto a specific frame */
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var ACTION_BACKUP =3; /* Goto previous frame */
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var ACTION_NEXT =4; /* Goto next frame */
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var ACTION_TERMINATE =6; /* Terminate the session */
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var ACTION_SUBMITRF =7; /* Submit form contents */
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var ACTION_STAR =7; /* Star command entry */
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var MODE_BL =1; /* Typing * command on baseline */
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var FRAME_LENGTH =22; /* Length of a frame */
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var FRAME_WIDTH =80; /* Width of a frame */
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var FRAME_HEADER =56; /* Size of page owner (length) */
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var FRAME_PAGENUM =12; /* Size of page number (length with a-z) */
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var FRAME_COST =9; /* Size of cost (length without unit)*/
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var FRAME_COSTUNIT ='c'; /* Unit of cost */
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var ERR_NOT_IMPLEMENTED = '\1RNOT IMPLEMENTED';
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var ERR_ROUTE = '\1WMISTAKE? \1GTRY AGAIN OR TELL US ON *08';
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// Our frame object
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function Frame(frame,index) {
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if (frame === undefined) {
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print('ERROR: frame not defined.');
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exit(1);
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}
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this.version=1;
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this.frame=parseInt(frame);
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this.index=index ? index : 'a';
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this.owner=''; // @todo
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this.cost=0; // @todo
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this.content='';
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this.isPublic=false; // @todo
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this.isAccessible=false; // @todo
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this.key=[ null,null,null,null,null,null,null,null,null,null ];
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this.render=function() {
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owner = base64_decode(this.owner);
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return owner+' '.repeat(FRAME_HEADER-console.strlen(owner))+' '+
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'\1W\1H'+this.page+' '.repeat(FRAME_PAGENUM-this.page.length)+' '+
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'\1G\1H'+' '.repeat(FRAME_COST-this.cost.toString().length)+this.cost+FRAME_COSTUNIT+
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(console.screen_columns > 80 ? '\n\r' : '') +
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base64_decode(this.content);
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}
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Object.defineProperty(this,'page', {
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get: function() {return pageStr({frame: this.frame, index: this.index }); }
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});
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}
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114
mods/load/texfuncs.js
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114
mods/load/texfuncs.js
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@@ -0,0 +1,114 @@
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if (!String.prototype.repeat) {
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String.prototype.repeat = function(count) {
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'use strict';
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if (this == null) {
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throw new TypeError('can\'t convert ' + this + ' to object');
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}
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var str = '' + this;
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count = +count;
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if (count != count) {
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count = 0;
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}
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if (count < 0) {
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throw new RangeError('repeat count must be non-negative');
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}
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if (count == Infinity) {
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throw new RangeError('repeat count must be less than infinity');
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}
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count = Math.floor(count);
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if (str.length == 0 || count == 0) {
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return '';
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}
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// Ensuring count is a 31-bit integer allows us to heavily optimize the
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// main part. But anyway, most current (August 2014) browsers can't handle
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// strings 1 << 28 chars or longer, so:
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if (str.length * count >= 1 << 28) {
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throw new RangeError('repeat count must not overflow maximum string size');
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}
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var rpt = '';
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for (;;) {
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if ((count & 1) == 1) {
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rpt += str;
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}
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count >>>= 1;
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if (count == 0) {
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break;
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}
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str += str;
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}
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return rpt;
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};
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}
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function cursorOff() {
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ansiterm.send('ext_mode','clear','cursor');
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console.gotoxy(0,24);
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}
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/**
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* Return an argument from argv, or an error if it doesnt exit
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*
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* @param key
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* @param error
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*/
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function getArg(key,error,abort) {
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index = argv.indexOf(key);
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if ((index !== -1) && (! (argv[index+1] === undefined || argv[index+1].match(/^-/)))) {
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return argv[index+1];
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}
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if (abort) {
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log(LOG_ERROR,error);
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exit(1);
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}
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}
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function getFrame(page) {
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if (! page.index)
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page.index = 'a';
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// @todo Need to filter out SAUCE
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f = new File(system.text_dir+'ansitex/'+pageStr(page)+'.tex');
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if (! f.exists || ! f.open('r')) {
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return null;
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}
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try {
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frame = JSON.parse(f.read());
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x = new Frame(0);
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frame.render = x.render;
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// @todo Figure out how to delete this duplicate code
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Object.defineProperty(frame,'page', {
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get: function() {return this.frame+this.index}
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});
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} catch (error) {
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log(LOG_ERROR,error);
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return null;
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}
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log(LOG_ERROR,'Loaded frame: ['+frame.frame+']['+frame.index+'] ('+frame.page+')');
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return frame;
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}
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/**
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* Return the frame as a string
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*/
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function pageStr(page) {
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if (! page.index)
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page.index = 'a';
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return page.frame+page.index;
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}
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function sendBaseline(text,reposition) {
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console.pushxy();
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console.gotoxy(0,24);
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console.print(text);
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console.cleartoeol();
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if (! reposition) {
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console.popxy();
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}
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}
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