578 lines
15 KiB
JavaScript
578 lines
15 KiB
JavaScript
// Our frame object
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function PageFrame() {
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'use strict';
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/* Frame type settings */
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this.settings = {};
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/* Frame Version */
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this.version = 1;
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/* Frame Number [0-9] */
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this.frame = null;
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/* Frame Index [a-z] */
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this.index = null;
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/* The Service Provider owning the frame. */
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this.owner = 0;
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/* The cost to view the frame @todo to implement */
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this.cost = 0;
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/* The frame content, base64 encoded */
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this.content = '';
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// Frame's owned by the system where:
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// isPublic is FALSE - the user must be logged in to view it
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// isPublic is TRUE - can be viewed by non-logged in users
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// Frame's owned by Service Providers where:
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// isPublic is FALSE - can only be viewed if a user is
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// a member of the Service Providers CUG
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// isPublic is TRUE - can be viewed by users (if logged in)
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this.isPublic = false; // Is this frame accessible to non CUG users
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// If FALSE user must be a member of the CUG to view the frame
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// All users, including unauthenticated, are members of 'system' (owner = 0)
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this.isAccessible = false; // Is this frame available to be accessed
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// If FALSE, only the SP can view/edit the frame
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this.type = FRAME_TYPE_INFO; // The frame type - see FRAME_TYPES above
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this.key = [null,null,null,null,null,null,null,null,null,null]; // Key actions [0-9]
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/**
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* Determine if this frame is accessible to the current user
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*/
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Object.defineProperty(this,'accessible',{
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get: function() {
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log(LOG_DEBUG,'- Checking if user can access frame: '+this.page);
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log(LOG_DEBUG,' - User: '+JSON.stringify(user.number));
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log(LOG_DEBUG,' - Frame Owner: '+JSON.stringify(this.owner)+', System Frame: '+(this.pageowner === SYSTEM_OWNER));
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// user.number 0 is unidentified user.
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if (user.number) {
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return (
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(this.isAccessible && this.pageowner === SYSTEM_OWNER && ! this.isPublic) ||
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(this.isAccessible && this.isPublic) ||
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(this.isAccessible && ! this.isPublic && this.isMember) ||
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(pageEditor(this.frame))
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);
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} else {
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return (this.isAccessible && this.pageowner === SYSTEM_OWNER && this.isPublic);
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}
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}
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});
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/**
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* Return the frames fields
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*/
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Object.defineProperty(this,'fields', {
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get: function() {
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return this.frame_fields;
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}
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});
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/**
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* Check if the user is already a member of the CUG
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*/
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Object.defineProperty(this,'isMember',{
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get: function() {
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log(LOG_DEBUG,'- Checking if user is a member of frame: '+this.page);
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if (user.number) {
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return (
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(this.pageowner === SYSTEM_OWNER)
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);
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} else {
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return false;
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}
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}
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})
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/**
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* Return the page number
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*/
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Object.defineProperty(this,'page', {
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get: function() {
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if (this.frame === null || this.index === null) return null;
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return this.frame.toString()+this.index;
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}
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});
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Object.defineProperty(this,'pageowner', {
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get: function() {
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return pageOwner(this.frame).prefix;
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}
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})
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Object.defineProperty(this,'pageownerlogo', {
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get: function() {
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return base64_decode(this.settings.ext === 'tex' ? pageOwner(this.frame).logoans : pageOwner(this.frame).logovtx);
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}
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})
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}
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/**
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* Enable pulling out submitted value by its name
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*
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* @param key
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* @returns {null|string|*}
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*/
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PageFrame.prototype.fieldValue = function(key) {
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for each (var k in this.frame_fields) {
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log(LOG_DEBUG,' - k:'+JSON.stringify(k));
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if (k.fname === key) {
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return k.fvalue;
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}
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}
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return null;
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}
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/**
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* Return the message for a index
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*
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* @param index
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* @returns {string|*}
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*/
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PageFrame.prototype.getMessage = function(index) {
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eval('var msg = this.settings.'+index);
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return msg;
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}
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/**
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* Load a frame
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*
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* @param filename
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* @returns {null}
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*/
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PageFrame.prototype.load = function(filename) {
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log(LOG_DEBUG,'Loading FRAME from: '+filename+'.'+this.settings.ext);
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this.sendBaseline('LOADING');
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f = new File(system.mods_dir+'ansitex/text/'+filename+'.'+this.settings.ext);
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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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var load = JSON.parse(f.read());
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for (property in SAVED_FRAME_ATTRS) {
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this[SAVED_FRAME_ATTRS[property]] = load[SAVED_FRAME_ATTRS[property]];
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}
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// If the page doesnt match the filename, throw an error
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if (this.page !== filename)
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throw 'Frame doesnt match filename';
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} catch (error) {
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log(LOG_ERROR,'Frame error: '+error);
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// Load our system error frame.
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this.load(pageStr(FRAME_SYSTEM_ERROR));
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return null;
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}
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log(LOG_DEBUG,'Loaded frame: ['+this.frame+']['+this.index+'] ('+this.page+')');
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};
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/**
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* Load a message frame
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*
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* @param page
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*/
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PageFrame.prototype.loadMessage = function(page) {
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this.frame = ''+page;
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this.index = 'a';
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this.owner = 1;
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this.isPublic = true;
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this.isAccessible = true;
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// @todo Keys should map to next/previous/send, etc as indicated in the template frame.
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this.key = [this.frame.substr(0,7)+'1',null,null,null,null,null,null,null,null,null];
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this.type = FRAME_TYPE_MESSAGE;
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// Load our message
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var ma = new MsgAreas()
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var area = ma.getArea(this.frame);
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var msg = ma.getMessage(this.frame);
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var msg_header;
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if (! msg)
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return undefined;
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// @todo Search 1zzzzEE..., 1zzzz...
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var to = viewdata ? new FrameViewdata() : new FrameAnsi();
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to.load(MAIL_TEMPLATE_FRAME);
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// @todo Check that this is a frame of type "m" and report error if not
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// @todo Take the cost from the template
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this.cost = 5;
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if (! to) {
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log(LOG_ERROR,'Echomail template missing :['+MAIL_TEMPLATE_FRAME+'] ?');
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msg_header = 'TO: '+msg.to.substr(0,72)+"\n\r";
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msg_header += 'FROM: '+msg.from.substr(0,72)+"\n\r";
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msg_header += 'DATE: '+msg.date.substr(0,72)+"\n\r";
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msg_header += 'SUBJECT: '+msg.subject.substr(0,72)+"\n\r";
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} else {
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// @todo change this to use atcode()
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msg_header = base64_decode(to.content).replace(/@(.*)@/g,
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function (str, code, offset, s) {
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var length = code.split(':')[1];
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switch(code.split(':')[0]) {
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case 'DATE': return msg.date.substr(0,length);
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case 'TO': return msg.to.substr(0,length);
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case 'FROM': return msg.from.substr(0,length);
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case 'SUBJECT': return msg.subject.substr(0,length);
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}
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}
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);
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}
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//log(LOG_DEBUG,'Loaded message: '+msg_header+msg.content);
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this.content = base64_encode(msg_header+msg.content);
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// Update the user's pointers
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var stats = ma.getUserStats(this.frame);
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// if this message is to the user, and the msg number > scan_ptr and it is the next message on the user's new mail list
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var newmsgs = area.newMsgsToMe();
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log(LOG_DEBUG,'User has: '+newmsgs.length+' msgs to read to ME');
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if (newmsgs.length) {
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var next = newmsgs[0];
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//log(LOG_DEBUG,'- NEXT is: '+next.tags+', this is: '+msg.tags);
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if (next.tags === msg.tags) {
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log(LOG_DEBUG,'- Updating scan_ptr to: '+next.number);
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stats.scan_ptr = next.number;
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}
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}
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// if this message is the next message, update last_read
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var newmsgs = area.newMsgs();
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log(LOG_DEBUG,'User has: '+newmsgs.length+' msgs to read');
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if (newmsgs.length) {
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var next = newmsgs[0];
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//log(LOG_DEBUG,'- NEXT is: '+next.tags+', this is: '+msg.tags);
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if (next.tags === msg.tags) {
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log(LOG_DEBUG,'- Updating last_read to: '+next.number);
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stats.last_read = next.number;
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}
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}
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log(LOG_DEBUG,'Built frame: ['+this.frame+']['+this.index+'] ('+this.page+')');
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}
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/**
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* Parse the page text, and return the frame as 2 arrays:
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* + First array is all the characters and the position on the frame
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* + Second array is the array of the control codes that changes the color of the character
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*
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* The purpose of this function is to convert any special char sequences there are interpreted directly by Ansitex
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* Currently they are:
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* + ESC _ <value>[;value] ESC \
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*
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* Additionally, for response frames, if the cursor is moved to a field, its to determine what attributes (eg: color)
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* should apply for that field.
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*
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* @param text
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* @param context
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*/
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PageFrame.prototype.parse = function(text,context) {
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log(LOG_DEBUG,'Parsing Frame ...');
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if (this.type === FRAME_TYPE_MESSAGE) {
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log(LOG_DEBUG,'- Not parsing message frame');
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return text;
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}
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/** Column
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* @type {number}
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*/
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var c = 1;
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/** Row - row 1 is the header
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* @type {number}
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*/
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var r = 2;
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/**
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* The output to send to the screen
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* @type {string}
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*/
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var output = '';
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/**
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* Fields within the frame
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* @type {{
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* ftype: fieldtype,
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* flength: fieldlen,
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* fchar: fieldchar,
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* fname: field,
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* r: r,
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* c: c,
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* attribute: {i:i,f:f,b:b},
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* fvalue: '',
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* }}
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*/
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this.frame_fields = [];
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// If there is no text return
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if (! text)
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return output;
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// Default Attributes
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// @note - this has no affect for viewdata frames
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/* Foreground */
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var f = 39;
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/* Background */
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var b = 49;
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/* Intensity */
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var i = 0;
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for(var p=0;p<text.length;p++) {
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// Look for a special character until the end of the frame width
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cte = (r*this.settings.FRAME_WIDTH - ((r-1)*this.settings.FRAME_WIDTH+c));
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match = text.substr(p,cte).match(/[\r\n\x1b]/);
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//log(LOG_DEBUG,'SPECIAL CHAR ['+r+'x'+c+'] ['+p+'-'+cte+'] for: '+match);
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if (match === null || match.index) {
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advance = match ? match.index : cte;
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//log(LOG_DEBUG,'INCLUDE: '+text.substr(p,advance));
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output += text.substr(p,advance);
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p += advance;
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c += advance;
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advance = 0;
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}
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// If the frame is not big enough, fill it with spaces.
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byte = text.charAt(p);
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advance = 0;
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switch (byte) {
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// Carriage Return
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case "\r":
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// log(LOG_DEBUG,'CR');
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c=1;
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break;
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// New line
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case "\n":
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// log(LOG_DEBUG,'LF');
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r++;
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break;
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// ESC
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case KEY_ESC:
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advance = 1;
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// Is the next byte something we know about
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nextbyte = text.charAt(p+advance);
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//log(LOG_DEBUG,'ESC ['+r+'x'+c+'] NEXT: '+nextbyte);
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switch (nextbyte) {
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// CSI
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case '[':
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advance++;
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chars = '';
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// Find our end CSI param in the next 50 chars
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matches = text.substr(p+advance,50).match(/([0-9]+[;]?)+([a-zA-Z])/);
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//log(LOG_DEBUG,'CSI ['+r+'x'+c+'] ADVANCE: '+advance+', MATCHES: '+matches+', STRING: '+text.substr(p+advance,50));
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if (! matches) {
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chars += nextbyte;
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break;
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}
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advance += matches[0].length-1;
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chars += nextbyte+matches[0];
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//log(LOG_DEBUG,'CSI ['+r+'x'+c+'] ADVANCE: '+advance+', CHARS: '+chars+', CHARSLEN: '+chars.length);
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switch (matches[2]) {
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// Color CSIs
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case 'm':
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//log(LOG_DEBUG,'CSI m ['+r+'x'+c+'] MATCHES: '+matches[0]+', LENGTH : '+matches[0].length);
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csi = matches[0].substr(0,matches[0].length-1).split(';');
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var num = null;
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for (num in csi) {
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//log(LOG_DEBUG,'CSI m ['+r+'x'+c+'] NUM: '+num+', CSI: '+csi[num]);
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// Intensity
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if (csi[num] >= 0 && csi[num] <= 8) {
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i = csi[num];
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f = 39;
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b = 49;
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// Forground Color
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} else if (csi[num] >= 30 && csi[num] <= 39) {
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f = csi[num];
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// Background Color
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} else if (csi[num] >= 40 && csi[num] <= 49) {
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b = num;
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}
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}
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break;
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// Advance characters
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case 'C':
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//log(LOG_DEBUG,'CSI C ['+r+'x'+c+'] CHARS: '+matches[1]);
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c += parseInt(matches[1]); // Advance our position
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break;
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default:
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log(LOG_DEBUG,'? CSI: '+matches[2]);
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}
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break;
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case ' ':
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log(LOG_DEBUG,'LOOSE ESC? ['+r+'x'+c+'] '+advance);
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break;
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// X - dynamic fields, terminated with ESC
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// Dynamic fields are defined with ESC X FIELD;LENGTH;PAD ESC \
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// @note FIELD & LENGTH are required
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// @note Dynamic field is can only be DYNAMIC_FIELD_SIZE_MAX chars in size
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case 'X':
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//log(LOG_DEBUG,'DF ['+r+'x'+c+'] '+advance);
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advance++;
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// Find our end ST param in the next DYNAMIC_FIELD_SIZE_MAX chars
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matches = text.substr(p+advance,DYNAMIC_FIELD_SIZE_MAX).match(/(([a-zA-Z._:^;]+[0-9]?;-?[0-9^;]+)([;]?[^;]+)?)\x1b\\/);
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//log(LOG_DEBUG,'- DF ['+r+'x'+c+'] ADVANCE: '+advance+', MATCHES: '+JSON.stringify(matches)+', LENGTH: '+(matches ? matches[0].length : 0)+', STRING: '+text.substr(p+advance,50));
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if (! matches) {
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chars += nextbyte;
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break;
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}
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advance += matches[0].length-1;
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var df = matches[0].substr(0,matches[0].length-2).split(';');
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//log(LOG_DEBUG,'- DF ['+r+'x'+c+'] ADVANCE: '+advance+', DF: '+df);
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log(LOG_DEBUG,'- DF found at ['+r+'x'+(c-1)+'], Field: '+df[0]+', Length: '+df[1]+', Attrs: '+JSON.stringify({i:i,f:f,b:b}));
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chars = atcode(df[0],df[1],df[2],context);
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byte = '';
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break;
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// _ - has our fields that take input
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case '_':
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//log(LOG_DEBUG,'SOS ['+r+'x'+c+'] '+advance);
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advance++;
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// Find our end ST param in the next 50 chars
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matches = text.substr(p+advance,50).match(/(([A-Z]+;[0-9a-z]+)([;]?.+)?)\x1b\\/);
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//log(LOG_DEBUG,'SOS ['+r+'x'+c+'] ADVANCE: '+advance+', MATCHES: '+matches+', LENGTH: '+matches[0].length+', STRING: '+text.substr(p+advance,50));
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if (! matches) {
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chars += nextbyte;
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break;
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}
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advance += matches[0].length-1;
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// The last 2 chars of matches[0] are the ESC \
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var sos = matches[0].substr(0,matches[0].length-2).split(';');
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//log(LOG_DEBUG,'SOS ['+r+'x'+c+'] ADVANCE: '+advance+', SOS: '+sos);
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var num = null;
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var field = null;
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var fieldlen = null;
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for (num in sos) {
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//log(LOG_DEBUG,'SOS ['+r+'x'+c+'] NUM: '+num+', SOS: '+sos[num]);
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switch (num) {
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// First value is the field name
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case '0':
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field = sos[num];
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break;
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// Second value is the length/type of the field
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case '1':
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x = sos[num].match(/([0-9]+)([a-z])/);
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if (! x) {
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log(LOG_ERROR,'SOS FAILED PARSING FIELD LENGTH/TYPE. ['+r+'x'+c+'] '+sos[num]);
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break;
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}
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//log(LOG_DEBUG,'SOS ['+r+'x'+c+'] NUM CHARS: '+x[1]+', TYPE: '+x[2]);
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fieldlen = x[1];
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fieldtype = x[2];
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break;
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// Third field is the char to to use
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case '2':
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fieldchar = sos[num];
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break;
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|
|
default:
|
|
log(LOG_ERROR,'IGNORING ADDITIONAL SOS FIELDS. ['+r+'x'+c+'] '+sos[num]);
|
|
}
|
|
}
|
|
|
|
if (fieldlen) {
|
|
chars = fieldchar.repeat(fieldlen);
|
|
}
|
|
|
|
byte = '';
|
|
|
|
this.frame_fields.push({
|
|
ftype: fieldtype,
|
|
flength: fieldlen,
|
|
fchar: fieldchar,
|
|
fname: field,
|
|
r: r,
|
|
c: c,
|
|
attribute: {i:i,f:f,b:b},
|
|
fvalue: '',
|
|
});
|
|
|
|
log(LOG_DEBUG,'SOS Field found at ['+r+'x'+(c-1)+'], Type: '+fieldtype+', Length: '+fieldlen+', Attrs: '+JSON.stringify({i:i,f:f,b:b}));
|
|
|
|
break;
|
|
|
|
default:
|
|
log(LOG_DEBUG,'DEFAULT ['+r+'x'+c+'] '+advance);
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
c++;
|
|
}
|
|
|
|
output += byte;
|
|
|
|
if (advance) {
|
|
//log(LOG_DEBUG,'ADVANCE P ['+r+'x'+c+'] '+advance+', NEXT CHAR: '+text.charAt(p+advance)+' ('+text.charCodeAt(p+advance)+')');
|
|
output += chars;
|
|
p += advance;
|
|
}
|
|
|
|
if (c>this.settings.FRAME_WIDTH) {
|
|
c = 1;
|
|
r++;
|
|
}
|
|
|
|
/*
|
|
// @todo - If we are longer than FRAME_LENGTH, move the output into the next frame.
|
|
if (r>this.settings.FRAME_LENGTH) {
|
|
break;
|
|
}
|
|
*/
|
|
}
|
|
|
|
return output;
|
|
};
|