1206 lines
34 KiB
JavaScript
1206 lines
34 KiB
JavaScript
(function(exports) {// http://weechat.org/files/doc/devel/weechat_dev.en.html#color_codes_in_strings
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/**
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* WeeChat protocol handling.
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*
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* This object parses messages and formats commands for the WeeChat
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* protocol. It's independent from the communication layer and thus
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* may be used with any network mechanism.
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*/
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(function() {
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var WeeChatProtocol = function() {
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// specific parsing for each object type
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this._types = {
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'chr': this._getChar,
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'int': this._getInt,
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'str': this._getString,
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'inf': this._getInfo,
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'hda': this._getHdata,
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'ptr': this._getPointer,
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'lon': this._getStrNumber,
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'tim': this._getTime,
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'buf': this._getString,
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'arr': this._getArray,
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'htb': this._getHashTable,
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'inl': function() {
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this._warnUnimplemented('infolist');
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}
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};
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// string value for some object types
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this._typesStr = {
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'chr': this._strDirect,
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'str': this._strDirect,
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'int': this._strToString,
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'tim': this._strToString,
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'ptr': this._strDirect
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};
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};
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/**
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* WeeChat colors names.
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*/
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WeeChatProtocol._weeChatColorsNames = [
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'default',
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'black',
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'darkgray',
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'red',
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'lightred',
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'green',
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'lightgreen',
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'brown',
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'yellow',
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'blue',
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'lightblue',
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'magenta',
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'lightmagenta',
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'cyan',
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'lightcyan',
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'gray',
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'white'
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];
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/**
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* Style options names.
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*/
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WeeChatProtocol._colorsOptionsNames = [
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'separator',
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'chat',
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'chat_time',
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'chat_time_delimiters',
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'chat_prefix_error',
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'chat_prefix_network',
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'chat_prefix_action',
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'chat_prefix_join',
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'chat_prefix_quit',
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'chat_prefix_more',
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'chat_prefix_suffix',
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'chat_buffer',
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'chat_server',
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'chat_channel',
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'chat_nick',
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'chat_nick_self',
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'chat_nick_other',
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'invalid',
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'invalid',
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'invalid',
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'invalid',
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'invalid',
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'invalid',
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'invalid',
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'invalid',
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'invalid',
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'invalid',
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'chat_host',
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'chat_delimiters',
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'chat_highlight',
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'chat_read_marker',
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'chat_text_found',
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'chat_value',
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'chat_prefix_buffer',
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'chat_tags',
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'chat_inactive_window',
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'chat_inactive_buffer',
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'chat_prefix_buffer_inactive_buffer',
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'chat_nick_offline',
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'chat_nick_offline_highlight',
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'chat_nick_prefix',
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'chat_nick_suffix',
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'emphasis',
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'chat_day_change'
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];
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/**
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* Gets the default color.
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*
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* @return Default color
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*/
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WeeChatProtocol._getDefaultColor = function() {
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return {
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type: 'weechat',
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name: 'default'
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};
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};
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/**
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* Gets the default attributes.
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*
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* @return Default attributes
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*/
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WeeChatProtocol._getDefaultAttributes = function() {
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return {
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name: null,
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override: {
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'bold': false,
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'reverse': false,
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'italic': false,
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'underline': false
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}
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};
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};
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/**
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* Gets the default style (default colors and attributes).
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*
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* @return Default style
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*/
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WeeChatProtocol._getDefaultStyle = function() {
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return {
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fgColor: WeeChatProtocol._getDefaultColor(),
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bgColor: WeeChatProtocol._getDefaultColor(),
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attrs: WeeChatProtocol._getDefaultAttributes()
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};
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};
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/**
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* Clones a color object.
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*
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* @param color Color object to clone
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* @return Cloned color object
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*/
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WeeChatProtocol._cloneColor = function(color) {
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var clone = {};
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for (var key in color) {
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clone[key] = color[key];
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}
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return clone;
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};
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/**
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* Clones an attributes object.
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*
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* @param attrs Attributes object to clone
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* @return Cloned attributes object
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*/
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WeeChatProtocol._cloneAttrs = function(attrs) {
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var clone = {};
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clone.name = attrs.name;
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clone.override = {};
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for (var attr in attrs.override) {
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clone.override[attr] = attrs.override[attr];
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}
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return clone;
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};
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/**
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* Gets the name of an attribute from its character.
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*
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* @param ch Character of attribute
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* @return Name of attribute
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*/
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WeeChatProtocol._attrNameFromChar = function(ch) {
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var chars = {
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// WeeChat protocol
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'*': 'b',
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'!': 'r',
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'/': 'i',
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'_': 'u',
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// some extension often used (IRC?)
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'\x01': 'b',
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'\x02': 'r',
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'\x03': 'i',
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'\x04': 'u'
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};
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if (ch in chars) {
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return chars[ch];
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}
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return null;
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};
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/**
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* Gets an attributes object from a string of attribute characters.
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*
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* @param str String of attribute characters
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* @return Attributes object (null if unchanged)
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*/
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WeeChatProtocol._attrsFromStr = function(str) {
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var attrs = WeeChatProtocol._getDefaultAttributes();
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for (var i = 0; i < str.length; ++i) {
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var ch = str.charAt(i);
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if (ch == '|') {
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// means keep attributes, so unchanged
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return null;
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}
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var attrName = WeeChatProtocol._attrNameFromChar(ch);
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if (attrName === null) {
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// ignore invalid attribute
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continue;
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}
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attrs.override[attrName] = true;
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}
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return attrs;
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};
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/**
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* Gets a single color from a string representing its index (WeeChat and
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* extended colors only, NOT colors options).
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*
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* @param str Color string (e.g., "05" or "00134")
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* @return Color object
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*/
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WeeChatProtocol._getColorObj = function(str) {
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if (str.length == 2) {
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var code = parseInt(str);
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if (code > 16) {
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// should never happen
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return WeeChatProtocol._getDefaultColor();
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} else {
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return {
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type: 'weechat',
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name: WeeChatProtocol._weeChatColorsNames[code]
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};
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}
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} else {
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var codeStr = str.substring(1);
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return {
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type: 'ext',
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name: parseInt(codeStr).toString()
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};
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}
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};
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/**
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* Gets colors and attributes of text element.
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*
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* See <http://www.weechat.org/files/doc/devel/weechat_dev.en.html#color_codes_in_strings>.
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*
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* @param txt Text element
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* @return Colors, attributes and plain text of this text element:
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* fgColor: Foreground color (null if unchanged)
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* bgColor: Background color (null if unchanged)
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* attrs: Attributes (null if unchanged)
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* text: Plain text element
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*/
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WeeChatProtocol._getStyle = function(txt) {
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var matchers = [
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{
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// color option
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// STD
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regex: /^(\d{2})/,
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fn: function(m) {
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var ret = {};
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var optionCode = parseInt(m[1]);
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if (optionCode > 43) {
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// should never happen
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return {
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fgColor: null,
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bgColor: null,
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attrs: null
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};
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}
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var optionName = WeeChatProtocol._colorsOptionsNames[optionCode];
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ret.fgColor = {
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type: 'option',
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name: optionName
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};
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ret.bgColor = WeeChatProtocol._cloneColor(ret.fgColor);
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ret.attrs = {
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name: optionName,
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override: {}
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};
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return ret;
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}
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},
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{
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// ncurses pair
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// EXT
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regex: /^@(\d{5})/,
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fn: function(m) {
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// unimplemented case
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return {
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fgColor: null,
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bgColor: null,
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attrs: null
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};
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}
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},
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{
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// foreground color with F
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// "F" + (A)STD
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// "F" + (A)EXT
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regex: /^F(?:([*!\/_|]*)(\d{2})|@([\x01\x02\x03\x04*!\/_|]*)(\d{5}))/,
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fn: function(m) {
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var ret = {
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bgColor: null
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};
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if (m[2]) {
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ret.attrs = WeeChatProtocol._attrsFromStr(m[1]);
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ret.fgColor = WeeChatProtocol._getColorObj(m[2]);
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} else {
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ret.attrs = WeeChatProtocol._attrsFromStr(m[3]);
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ret.fgColor = WeeChatProtocol._getColorObj(m[4]);
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}
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return ret;
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}
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},
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{
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// background color (no attributes)
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// "B" + STD
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// "B" + EXT
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regex: /^B(\d{2}|@\d{5})/,
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fn: function(m) {
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return {
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fgColor: null,
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bgColor: WeeChatProtocol._getColorObj(m[1]),
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attrs: null
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};
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}
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},
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{
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// foreground, background (+ attributes)
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// "*" + (A)STD + "," + STD
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// "*" + (A)STD + "," + EXT
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// "*" + (A)EXT + "," + STD
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// "*" + (A)EXT + "," + EXT
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regex: /^\*(?:([\x01\x02\x03\x04*!\/_|]*)(\d{2})|@([\x01\x02\x03\x04*!\/_|]*)(\d{5})),(\d{2}|@\d{5})/,
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fn: function(m) {
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var ret = {};
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if (m[2]) {
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ret.attrs = WeeChatProtocol._attrsFromStr(m[1]);
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ret.fgColor = WeeChatProtocol._getColorObj(m[2]);
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} else {
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ret.attrs = WeeChatProtocol._attrsFromStr(m[3]);
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ret.fgColor = WeeChatProtocol._getColorObj(m[4]);
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}
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ret.bgColor = WeeChatProtocol._getColorObj(m[5]);
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return ret;
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}
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},
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{
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// foreground color with * (+ attributes) (fall back, must be checked before previous case)
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// "*" + (A)STD
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// "*" + (A)EXT
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regex: /^\*([\x01\x02\x03\x04*!\/_|]*)(\d{2}|@\d{5})/,
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fn: function(m) {
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return {
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fgColor: WeeChatProtocol._getColorObj(m[2]),
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bgColor: null,
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attrs: WeeChatProtocol._attrsFromStr(m[1])
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};
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}
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},
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{
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// emphasis
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// "E"
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regex: /^E/,
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fn: function(m) {
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var ret = {};
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ret.fgColor = {
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type: 'option',
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name: 'emphasis'
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};
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ret.bgColor = WeeChatProtocol._cloneColor(ret.fgColor);
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ret.attrs = {
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name: 'emphasis',
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override: {}
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};
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return ret;
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}
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}
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];
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// parse
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var ret = {
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fgColor: null,
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bgColor: null,
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attrs: null,
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text: txt
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};
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matchers.some(function(matcher) {
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var m = txt.match(matcher.regex);
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if (m) {
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ret = matcher.fn(m);
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ret.text = txt.substring(m[0].length);
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return true;
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}
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return false;
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});
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return ret;
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};
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/**
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* Transforms a raw text into an array of text elements with integrated
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* colors and attributes.
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*
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* @param rawText Raw text to transform
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* @return Array of text elements
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*/
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WeeChatProtocol.rawText2Rich = function(rawText) {
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/* This is subtle, but JavaScript adds the token to the output list
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* when it's surrounded by capturing parentheses.
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*/
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var parts = rawText.split(/(\x19|\x1a|\x1b|\x1c)/);
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// no colors/attributes
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if (parts.length == 1) {
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return [
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{
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attrs: WeeChatProtocol._getDefaultAttributes(),
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fgColor: WeeChatProtocol._getDefaultColor(),
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bgColor: WeeChatProtocol._getDefaultColor(),
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text: parts[0]
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}
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];
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}
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// find the style of every part
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var curFgColor = WeeChatProtocol._getDefaultColor();
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var curBgColor = WeeChatProtocol._getDefaultColor();
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var curAttrs = WeeChatProtocol._getDefaultAttributes();
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var curSpecialToken = null;
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var curAttrsOnlyFalseOverrides = true;
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return parts.map(function(p) {
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if (p.length === 0) {
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return null;
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}
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var firstCharCode = p.charCodeAt(0);
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var firstChar = p.charAt(0);
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if (firstCharCode >= 0x19 && firstCharCode <= 0x1c) {
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// special token
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if (firstCharCode == 0x1c) {
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// always reset colors
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curFgColor = WeeChatProtocol._getDefaultColor();
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curBgColor = WeeChatProtocol._getDefaultColor();
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if (curSpecialToken != 0x19) {
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// also reset attributes
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curAttrs = WeeChatProtocol._getDefaultAttributes();
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}
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}
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curSpecialToken = firstCharCode;
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return null;
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}
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var text = p;
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if (curSpecialToken == 0x19) {
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// get new style
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var style = WeeChatProtocol._getStyle(p);
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// set foreground color if changed
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if (style.fgColor !== null) {
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curFgColor = style.fgColor;
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}
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// set background color if changed
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if (style.bgColor !== null) {
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curBgColor = style.bgColor;
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}
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// set attibutes if changed
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if (style.attrs !== null) {
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curAttrs = style.attrs;
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}
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// set plain text
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text = style.text;
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} else if (curSpecialToken == 0x1a || curSpecialToken == 0x1b) {
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// set/reset attribute
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var orideVal = (curSpecialToken == 0x1a);
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// set attribute override if we don't have to keep all of them
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if (firstChar != '|') {
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var orideName = WeeChatProtocol._attrNameFromChar(firstChar);
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if (orideName) {
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// known attribute
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curAttrs.override[orideName] = orideVal;
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text = p.substring(1);
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}
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}
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}
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// reset current special token
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curSpecialToken = null;
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// if text is empty, don't bother returning it
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if (text.length === 0) {
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return null;
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}
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/* As long as attributes are only false overrides, without any option
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* name, it's safe to remove them.
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*/
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if (curAttrsOnlyFalseOverrides && curAttrs.name === null) {
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var allReset = true;
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for (var attr in curAttrs.override) {
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if (curAttrs.override[attr]) {
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allReset = false;
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break;
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}
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}
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if (allReset) {
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curAttrs.override = {};
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} else {
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curAttrsOnlyFalseOverrides = false;
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}
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}
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// parsed text element
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return {
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fgColor: WeeChatProtocol._cloneColor(curFgColor),
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bgColor: WeeChatProtocol._cloneColor(curBgColor),
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attrs: WeeChatProtocol._cloneAttrs(curAttrs),
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text: text
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};
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}).filter(function(p) {
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return p !== null;
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});
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};
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/**
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* Unsigned integer array to string.
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*
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* @param uia Unsigned integer array
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* @return Decoded string
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*/
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WeeChatProtocol._uia2s = function(uia) {
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var str = [];
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for (var c = 0; c < uia.length && uia[c] !== 0; c++) {
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str.push(String.fromCharCode(uia[c]));
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}
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return decodeURIComponent(escape(str.join('')));
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};
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/**
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* Merges default parameters with overriding parameters.
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*
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* @param defaults Default parameters
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* @param override Overriding parameters
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* @return Merged parameters
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*/
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WeeChatProtocol._mergeParams = function(defaults, override) {
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for (var v in override) {
|
|
defaults[v] = override[v];
|
|
}
|
|
|
|
return defaults;
|
|
};
|
|
|
|
/**
|
|
* Formats a command.
|
|
*
|
|
* @param id Command ID (null for no ID)
|
|
* @param name Command name
|
|
* @param parts Command parts
|
|
* @return Formatted command string
|
|
*/
|
|
WeeChatProtocol._formatCmd = function(id, name, parts) {
|
|
var cmdIdName;
|
|
var cmd;
|
|
|
|
cmdIdName = (id !== null) ? '(' + id + ') ' : '';
|
|
cmdIdName += name;
|
|
parts.unshift(cmdIdName);
|
|
cmd = parts.join(' ');
|
|
cmd += '\n';
|
|
|
|
return cmd;
|
|
};
|
|
|
|
/**
|
|
* Formats an init command.
|
|
*
|
|
* @param params Parameters:
|
|
* password: password (optional)
|
|
* compression: compression ('off' or 'zlib') (optional)
|
|
* @return Formatted init command string
|
|
*/
|
|
WeeChatProtocol.formatInit = function(params) {
|
|
var defaultParams = {
|
|
password: null,
|
|
compression: 'zlib'
|
|
};
|
|
var keys = [];
|
|
var parts = [];
|
|
|
|
params = WeeChatProtocol._mergeParams(defaultParams, params);
|
|
keys.push('compression=' + params.compression);
|
|
if (params.password !== null) {
|
|
keys.push('password=' + params.password);
|
|
}
|
|
parts.push(keys.join(','));
|
|
|
|
return WeeChatProtocol._formatCmd(null, 'init', parts);
|
|
};
|
|
|
|
/**
|
|
* Formats an hdata command.
|
|
*
|
|
* @param params Parameters:
|
|
* id: command ID (optional)
|
|
* path: hdata path (mandatory)
|
|
* keys: array of keys (optional)
|
|
* @return Formatted hdata command string
|
|
*/
|
|
WeeChatProtocol.formatHdata = function(params) {
|
|
var defaultParams = {
|
|
id: null,
|
|
keys: null
|
|
};
|
|
var parts = [];
|
|
|
|
params = WeeChatProtocol._mergeParams(defaultParams, params);
|
|
parts.push(params.path);
|
|
if (params.keys !== null) {
|
|
parts.push(params.keys.join(','));
|
|
}
|
|
|
|
return WeeChatProtocol._formatCmd(params.id, 'hdata', parts);
|
|
};
|
|
|
|
/**
|
|
* Formats an info command.
|
|
*
|
|
* @param params Parameters:
|
|
* id: command ID (optional)
|
|
* name: info name (mandatory)
|
|
* @return Formatted info command string
|
|
*/
|
|
WeeChatProtocol.formatInfo = function(params) {
|
|
var defaultParams = {
|
|
id: null
|
|
};
|
|
var parts = [];
|
|
|
|
params = WeeChatProtocol._mergeParams(defaultParams, params);
|
|
parts.push(params.name);
|
|
|
|
return WeeChatProtocol._formatCmd(params.id, 'info', parts);
|
|
};
|
|
|
|
/**
|
|
* Formats a nicklist command.
|
|
*
|
|
* @param params Parameters:
|
|
* id: command ID (optional)
|
|
* buffer: buffer name (optional)
|
|
* @return Formatted nicklist command string
|
|
*/
|
|
WeeChatProtocol.formatNicklist = function(params) {
|
|
var defaultParams = {
|
|
id: null,
|
|
buffer: null
|
|
};
|
|
var parts = [];
|
|
|
|
params = WeeChatProtocol._mergeParams(defaultParams, params);
|
|
if (params.buffer !== null) {
|
|
parts.push(params.buffer);
|
|
}
|
|
|
|
return WeeChatProtocol._formatCmd(params.id, 'nicklist', parts);
|
|
};
|
|
|
|
/**
|
|
* Formats an input command.
|
|
*
|
|
* @param params Parameters:
|
|
* id: command ID (optional)
|
|
* buffer: target buffer (mandatory)
|
|
* data: input data (mandatory)
|
|
* @return Formatted input command string
|
|
*/
|
|
WeeChatProtocol.formatInput = function(params) {
|
|
var defaultParams = {
|
|
id: null
|
|
};
|
|
var parts = [];
|
|
|
|
params = WeeChatProtocol._mergeParams(defaultParams, params);
|
|
parts.push(params.buffer);
|
|
parts.push(params.data);
|
|
|
|
return WeeChatProtocol._formatCmd(params.id, 'input', parts);
|
|
};
|
|
|
|
/**
|
|
* Formats a sync or a desync command.
|
|
*
|
|
* @param params Parameters (see _formatSync and _formatDesync)
|
|
* @return Formatted sync/desync command string
|
|
*/
|
|
WeeChatProtocol._formatSyncDesync = function(cmdName, params) {
|
|
var defaultParams = {
|
|
id: null,
|
|
buffers: null,
|
|
options: null
|
|
};
|
|
var parts = [];
|
|
|
|
params = WeeChatProtocol._mergeParams(defaultParams, params);
|
|
if (params.buffers !== null) {
|
|
parts.push(params.buffers.join(','));
|
|
if (params.options !== null) {
|
|
parts.push(params.options.join(','));
|
|
}
|
|
}
|
|
|
|
return WeeChatProtocol._formatCmd(params.id, cmdName, parts);
|
|
};
|
|
|
|
/**
|
|
* Formats a sync command.
|
|
*
|
|
* @param params Parameters:
|
|
* id: command ID (optional)
|
|
* buffers: array of buffers to sync (optional)
|
|
* options: array of options (optional)
|
|
* @return Formatted sync command string
|
|
*/
|
|
WeeChatProtocol.formatSync = function(params) {
|
|
return WeeChatProtocol._formatSyncDesync('sync', params);
|
|
};
|
|
|
|
/**
|
|
* Formats a desync command.
|
|
*
|
|
* @param params Parameters:
|
|
* id: command ID (optional)
|
|
* buffers: array of buffers to desync (optional)
|
|
* options: array of options (optional)
|
|
* @return Formatted desync command string
|
|
*/
|
|
WeeChatProtocol.formatDesync = function(params) {
|
|
return WeeChatProtocol._formatSyncDesync('desync', params);
|
|
};
|
|
|
|
/**
|
|
* Formats a test command.
|
|
*
|
|
* @param params Parameters:
|
|
* id: command ID (optional)
|
|
* @return Formatted test command string
|
|
*/
|
|
WeeChatProtocol.formatTest = function(params) {
|
|
var defaultParams = {
|
|
id: null
|
|
};
|
|
var parts = [];
|
|
|
|
params = WeeChatProtocol._mergeParams(defaultParams, params);
|
|
|
|
return WeeChatProtocol._formatCmd(params.id, 'test', parts);
|
|
};
|
|
|
|
/**
|
|
* Formats a quit command.
|
|
*
|
|
* @return Formatted quit command string
|
|
*/
|
|
WeeChatProtocol.formatQuit = function() {
|
|
return WeeChatProtocol._formatCmd(null, 'quit', []);
|
|
};
|
|
|
|
/**
|
|
* Formats a ping command.
|
|
*
|
|
* @param params Parameters:
|
|
* id: command ID (optional)
|
|
* args: array of custom arguments (optional)
|
|
* @return Formatted ping command string
|
|
*/
|
|
WeeChatProtocol.formatPing = function(params) {
|
|
var defaultParams = {
|
|
id: null,
|
|
args: null
|
|
};
|
|
var parts = [];
|
|
|
|
params = WeeChatProtocol._mergeParams(defaultParams, params);
|
|
if (params.args !== null) {
|
|
parts.push(params.args.join(' '));
|
|
}
|
|
|
|
return WeeChatProtocol._formatCmd(params.id, 'ping', parts);
|
|
};
|
|
|
|
WeeChatProtocol.prototype = {
|
|
/**
|
|
* Warns that message parsing is not implemented for a
|
|
* specific type.
|
|
*
|
|
* @param type Message type to display
|
|
*/
|
|
_warnUnimplemented: function(type) {
|
|
console.log('Warning: ' + type + ' message parsing is not implemented');
|
|
},
|
|
|
|
/**
|
|
* Reads a 3-character message type token value from current
|
|
* set data.
|
|
*
|
|
* @return Type
|
|
*/
|
|
_getType: function() {
|
|
var t = this._getSlice(3);
|
|
|
|
if (!t) {
|
|
return null;
|
|
}
|
|
|
|
return WeeChatProtocol._uia2s(new Uint8Array(t));
|
|
},
|
|
|
|
/**
|
|
* Runs the appropriate read routine for the specified message type.
|
|
*
|
|
* @param type Message type
|
|
* @return Data value
|
|
*/
|
|
_runType: function(type) {
|
|
var cb = this._types[type];
|
|
var boundCb = cb.bind(this);
|
|
|
|
return boundCb();
|
|
},
|
|
|
|
/**
|
|
* Reads a "number as a string" token value from current set data.
|
|
*
|
|
* @return Number as a string
|
|
*/
|
|
_getStrNumber: function() {
|
|
var len = this._getByte();
|
|
var str = this._getSlice(len);
|
|
|
|
return WeeChatProtocol._uia2s(new Uint8Array(str));
|
|
},
|
|
|
|
/**
|
|
* Returns the passed object.
|
|
*
|
|
* @param obj Object
|
|
* @return Passed object
|
|
*/
|
|
_strDirect: function(obj) {
|
|
return obj;
|
|
},
|
|
|
|
/**
|
|
* Calls toString() on the passed object and returns the value.
|
|
*
|
|
* @param obj Object to call toString() on
|
|
* @return String value of object
|
|
*/
|
|
_strToString: function(obj) {
|
|
return obj.toString();
|
|
},
|
|
|
|
/**
|
|
* Gets the string value of an object representing the message
|
|
* value for a specified type.
|
|
*
|
|
* @param obj Object for which to get the string value
|
|
* @param type Message type
|
|
* @return String value of object
|
|
*/
|
|
_objToString: function(obj, type) {
|
|
var cb = this._typesStr[type];
|
|
var boundCb = cb.bind(this);
|
|
|
|
return boundCb(obj);
|
|
},
|
|
|
|
/**
|
|
* Reads an info token value from current set data.
|
|
*
|
|
* @return Info object
|
|
*/
|
|
_getInfo: function() {
|
|
var info = {};
|
|
info.key = this._getString();
|
|
info.value = this._getString();
|
|
|
|
return info;
|
|
},
|
|
|
|
/**
|
|
* Reads an hdata token value from current set data.
|
|
*
|
|
* @return Hdata object
|
|
*/
|
|
_getHdata: function() {
|
|
var self = this;
|
|
var paths;
|
|
var count;
|
|
var objs = [];
|
|
var hpath = this._getString();
|
|
|
|
keys = this._getString().split(',');
|
|
paths = hpath.split('/');
|
|
count = this._getInt();
|
|
|
|
keys = keys.map(function(key) {
|
|
return key.split(':');
|
|
});
|
|
|
|
function runType() {
|
|
var tmp = {};
|
|
|
|
tmp.pointers = paths.map(function(path) {
|
|
return self._getPointer();
|
|
});
|
|
keys.forEach(function(key) {
|
|
tmp[key[0]] = self._runType(key[1]);
|
|
});
|
|
objs.push(tmp);
|
|
}
|
|
|
|
for (var i = 0; i < count; i++) {
|
|
runType();
|
|
}
|
|
|
|
return objs;
|
|
},
|
|
|
|
/**
|
|
* Reads a pointer token value from current set data.
|
|
*
|
|
* @return Pointer value
|
|
*/
|
|
_getPointer: function() {
|
|
return this._getStrNumber();
|
|
},
|
|
|
|
/**
|
|
* Reads a time token value from current set data.
|
|
*
|
|
* @return Time value (Date)
|
|
*/
|
|
_getTime: function() {
|
|
var str = this._getStrNumber();
|
|
|
|
return new Date(parseInt(str, 10) * 1000);
|
|
},
|
|
|
|
/**
|
|
* Reads an integer token value from current set data.
|
|
*
|
|
* @return Integer value
|
|
*/
|
|
_getInt: function() {
|
|
var parsedData = new Uint8Array(this._getSlice(4));
|
|
|
|
return ((parsedData[0] & 0xff) << 24) |
|
|
((parsedData[1] & 0xff) << 16) |
|
|
((parsedData[2] & 0xff) << 8) |
|
|
(parsedData[3] & 0xff);
|
|
},
|
|
|
|
/**
|
|
* Reads a byte from current set data.
|
|
*
|
|
* @return Byte value (integer)
|
|
*/
|
|
_getByte: function() {
|
|
var parsedData = new Uint8Array(this._getSlice(1));
|
|
|
|
return parsedData[0];
|
|
},
|
|
|
|
/**
|
|
* Reads a character token value from current set data.
|
|
*
|
|
* @return Character (string)
|
|
*/
|
|
_getChar: function() {
|
|
return this._getByte();
|
|
},
|
|
|
|
/**
|
|
* Reads a string token value from current set data.
|
|
*
|
|
* @return String value
|
|
*/
|
|
_getString: function() {
|
|
var l = this._getInt();
|
|
|
|
if (l > 0) {
|
|
var s = this._getSlice(l);
|
|
var parsedData = new Uint8Array(s);
|
|
|
|
return WeeChatProtocol._uia2s(parsedData);
|
|
}
|
|
|
|
return "";
|
|
},
|
|
|
|
/**
|
|
* Reads a message header from current set data.
|
|
*
|
|
* @return Header object
|
|
*/
|
|
_getHeader: function() {
|
|
var len = this._getInt();
|
|
var comp = this._getByte();
|
|
|
|
return {
|
|
length: len,
|
|
compression: comp
|
|
};
|
|
},
|
|
|
|
/**
|
|
* Reads a message header ID from current set data.
|
|
*
|
|
* @return Message ID (string)
|
|
*/
|
|
_getId: function() {
|
|
return this._getString();
|
|
},
|
|
|
|
/**
|
|
* Reads an arbitrary object token from current set data.
|
|
*
|
|
* @return Object value
|
|
*/
|
|
_getObject: function() {
|
|
var self = this;
|
|
var type = this._getType();
|
|
|
|
if (type) {
|
|
return {
|
|
type: type,
|
|
content: self._runType(type)
|
|
};
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Reads an hash table token from current set data.
|
|
*
|
|
* @return Hash table
|
|
*/
|
|
_getHashTable: function() {
|
|
var self = this;
|
|
var typeKeys, typeValues, count;
|
|
var dict = {};
|
|
|
|
typeKeys = this._getType();
|
|
typeValues = this._getType();
|
|
count = this._getInt();
|
|
|
|
for (var i = 0; i < count; ++i) {
|
|
var key = self._runType(typeKeys);
|
|
var keyStr = self._objToString(key, typeKeys);
|
|
var value = self._runType(typeValues);
|
|
dict[keyStr] = value;
|
|
}
|
|
|
|
return dict;
|
|
},
|
|
|
|
/**
|
|
* Reads an array token from current set data.
|
|
*
|
|
* @return Array
|
|
*/
|
|
_getArray: function() {
|
|
var self = this;
|
|
var type;
|
|
var count;
|
|
var values;
|
|
|
|
type = this._getType();
|
|
count = this._getInt();
|
|
values = [];
|
|
|
|
for (var i = 0; i < count; i++) {
|
|
values.push(self._runType(type));
|
|
}
|
|
|
|
return values;
|
|
},
|
|
|
|
/**
|
|
* Reads a specified number of bytes from current set data.
|
|
*
|
|
* @param length Number of bytes to read
|
|
* @return Sliced array
|
|
*/
|
|
_getSlice: function(length) {
|
|
if (this.dataAt + length > this._data.byteLength) {
|
|
return null;
|
|
}
|
|
|
|
var slice = this._data.slice(this._dataAt, this._dataAt + length);
|
|
|
|
this._dataAt += length;
|
|
|
|
return slice;
|
|
},
|
|
|
|
/**
|
|
* Sets the current data.
|
|
*
|
|
* @param data Current data
|
|
*/
|
|
_setData: function(data) {
|
|
this._data = data;
|
|
},
|
|
|
|
/**
|
|
* Parses a WeeChat message.
|
|
*
|
|
* @param data Message data (ArrayBuffer)
|
|
* @return Message value
|
|
*/
|
|
parse: function(data, optionsValues) {
|
|
var self = this;
|
|
|
|
this._setData(data);
|
|
this._dataAt = 0;
|
|
|
|
var header = this._getHeader();
|
|
|
|
if (header.compression) {
|
|
var raw = new Uint8Array(data, 5); // skip first five bytes (header, 4B size, 1B compression flag)
|
|
var inflate = new Zlib.Inflate(raw);
|
|
var plain = inflate.decompress();
|
|
this._setData(plain.buffer);
|
|
this._dataAt = 0; // reset position in data, as the header is not part of the decompressed data
|
|
}
|
|
|
|
var id = this._getId();
|
|
var objects = [];
|
|
var object = this._getObject();
|
|
|
|
while (object) {
|
|
objects.push(object);
|
|
object = self._getObject();
|
|
}
|
|
var msg = {
|
|
header: header,
|
|
id: id,
|
|
objects: objects
|
|
};
|
|
|
|
return msg;
|
|
}
|
|
};
|
|
|
|
exports.Protocol = WeeChatProtocol;
|
|
})();
|
|
})(typeof exports === "undefined" ? this.weeChat = {} : exports);
|