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Use vCard from the app itself #738
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,303 @@ | ||
| var vCard = (function () { | ||
| var PREFIX = 'BEGIN:VCARD', | ||
| POSTFIX = 'END:VCARD'; | ||
|
|
||
| /** | ||
| * Return json representation of vCard | ||
| * @param {string} string raw vCard | ||
| * @returns {*} | ||
| */ | ||
| function parse(string) { | ||
| var result = {}, | ||
| lines = string.split(/\r\n|\r|\n/), | ||
| count = lines.length, | ||
| pieces, | ||
| key, | ||
| value, | ||
| meta, | ||
| namespace; | ||
|
|
||
| for (var i = 0; i < count; i++) { | ||
| if (lines[i] == '') { | ||
| continue; | ||
| } | ||
| if (lines[i].toUpperCase() == PREFIX || lines[i].toUpperCase() == POSTFIX) { | ||
| continue; | ||
| } | ||
| var data = lines[i]; | ||
|
|
||
| /** | ||
| * Check that next line continues current | ||
| * @param {number} i | ||
| * @returns {boolean} | ||
| */ | ||
| var isValueContinued = function (i) { | ||
| return i + 1 < count && (lines[i + 1][0] == ' ' || lines[i + 1][0] == '\t'); | ||
| }; | ||
| // handle multiline properties (i.e. photo). | ||
| // next line should start with space or tab character | ||
| if (isValueContinued(i)) { | ||
| while (isValueContinued(i)) { | ||
| data += lines[i + 1].trim(); | ||
| i++; | ||
| } | ||
| } | ||
|
|
||
| pieces = data.split(':'); | ||
| key = pieces.shift(); | ||
| value = pieces.join(':'); | ||
| namespace = false; | ||
| meta = {}; | ||
|
|
||
| // meta fields in property | ||
| if (key.match(/;/)) { | ||
| key = key | ||
| .replace(/\\;/g, 'ΩΩΩ') | ||
| .replace(/\\,/, ','); | ||
| var metaArr = key.split(';').map(function (item) { | ||
| return item.replace(/ΩΩΩ/g, ';'); | ||
| }); | ||
| key = metaArr.shift(); | ||
| metaArr.forEach(function (item) { | ||
| var arr = item.split('='); | ||
| arr[0] = arr[0].toLowerCase(); | ||
| if (arr[0].length === 0) { | ||
| return; | ||
| } | ||
| if (meta[arr[0]]) { | ||
| meta[arr[0]].push(arr[1]); | ||
| } else { | ||
| meta[arr[0]] = [arr[1]]; | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| // values with \n | ||
| value = value | ||
| .replace(/\\n/g, '\n'); | ||
|
|
||
| value = tryToSplit(value); | ||
|
|
||
| // Grouped properties | ||
| if (key.match(/\./)) { | ||
| var arr = key.split('.'); | ||
| key = arr[1]; | ||
| namespace = arr[0]; | ||
| } | ||
|
|
||
| var newValue = { | ||
| value: value | ||
| }; | ||
| if (Object.keys(meta).length) { | ||
| newValue.meta = meta; | ||
| } | ||
| if (namespace) { | ||
| newValue.namespace = namespace; | ||
| } | ||
|
|
||
| if (key.indexOf('X-') !== 0) { | ||
| key = key.toLowerCase(); | ||
| } | ||
|
|
||
| if (typeof result[key] === 'undefined') { | ||
| result[key] = [newValue]; | ||
| } else { | ||
| result[key].push(newValue); | ||
| } | ||
|
|
||
| } | ||
|
|
||
| return result; | ||
| } | ||
|
|
||
| var HAS_SEMICOLON_SEPARATOR = /[^\\];|^;/, | ||
| HAS_COMMA_SEPARATOR = /[^\\],|^,/; | ||
| /** | ||
| * Split value by "," or ";" and remove escape sequences for this separators | ||
| * @param {string} value | ||
| * @returns {string|string[] | ||
| */ | ||
| function tryToSplit(value) { | ||
| if (value.match(HAS_SEMICOLON_SEPARATOR)) { | ||
| value = value.replace(/\\,/g, ','); | ||
| return splitValue(value, ';'); | ||
| } else if (value.match(HAS_COMMA_SEPARATOR)) { | ||
| value = value.replace(/\\;/g, ';'); | ||
| return splitValue(value, ','); | ||
| } else { | ||
| return value | ||
| .replace(/\\,/g, ',') | ||
| .replace(/\\;/g, ';'); | ||
| } | ||
| } | ||
| /** | ||
| * Split vcard field value by separator | ||
| * @param {string|string[]} value | ||
| * @param {string} separator | ||
| * @returns {string|string[]} | ||
| */ | ||
| function splitValue(value, separator) { | ||
| var separatorRegexp = new RegExp(separator); | ||
| var escapedSeparatorRegexp = new RegExp('\\\\' + separator, 'g'); | ||
| // easiest way, replace it with really rare character sequence | ||
| value = value.replace(escapedSeparatorRegexp, 'ΩΩΩ'); | ||
| if (value.match(separatorRegexp)) { | ||
| value = value.split(separator); | ||
|
|
||
| value = value.map(function (item) { | ||
| return item.replace(/ΩΩΩ/g, separator); | ||
| }); | ||
| } else { | ||
| value = value.replace(/ΩΩΩ/g, separator); | ||
| } | ||
| return value; | ||
| } | ||
|
|
||
| var guid = (function() { | ||
| function s4() { | ||
| return Math.floor((1 + Math.random()) * 0x10000) | ||
| .toString(16) | ||
| .substring(1); | ||
| } | ||
| return function() { | ||
| return s4() + s4() + '-' + s4() + '-' + s4() + '-' + | ||
| s4() + '-' + s4() + s4() + s4(); | ||
| }; | ||
| })(); | ||
|
|
||
| var COMMA_SEPARATED_FIELDS = ['nickname', 'related', 'categories', 'pid']; | ||
|
|
||
| var REQUIRED_FIELDS = ['fn']; | ||
|
|
||
| /** | ||
| * Generate vCard representation af object | ||
| * @param {*} data | ||
| * @param {boolean=} addRequired determine if generator should add required properties (version and uid) | ||
| * @returns {string} | ||
| */ | ||
| function generate(data, addRequired) { | ||
| var lines = [PREFIX], | ||
| line = ''; | ||
|
|
||
| if (addRequired && !data.version) { | ||
| data.version = [{value: '3.0'}]; | ||
| } | ||
| if (addRequired && !data.uid) { | ||
| data.uid = [{value: guid()}]; | ||
| } | ||
|
|
||
| var escapeCharacters = function (v) { | ||
| if (typeof v === 'undefined') { | ||
| return ''; | ||
| } | ||
| return v | ||
| .replace(/\n/g, '\\n') | ||
| .replace(/;/g, '\\;') | ||
| .replace(/,/g, '\\,'); | ||
| }; | ||
|
|
||
| var escapeTypeCharacters = function(v) { | ||
| if (typeof v === 'undefined') { | ||
| return ''; | ||
| } | ||
| return v | ||
| .replace(/\n/g, '\\n') | ||
| .replace(/;/g, '\\;'); | ||
| }; | ||
|
|
||
| Object.keys(data).forEach(function (key) { | ||
| if (!data[key] || typeof data[key].forEach !== 'function') { | ||
| return; | ||
| } | ||
| data[key].forEach(function (value) { | ||
| // ignore undefined values | ||
| if (typeof value.value === 'undefined') { | ||
| return; | ||
| } | ||
|
|
||
| // ignore empty values (unless it's a required field) | ||
| if (value.value == '' && REQUIRED_FIELDS.indexOf(key) === -1) { | ||
| return; | ||
| } | ||
|
|
||
| // ignore empty array values | ||
| if (value.value instanceof Array) { | ||
| var empty = true; | ||
| for (var i = 0; i < value.value.length; i++) { | ||
| if (typeof value.value[i] !== 'undefined' && value.value[i] != '') { | ||
| empty = false; | ||
| break; | ||
| } | ||
| } | ||
| if (empty) { | ||
| return; | ||
| } | ||
| } | ||
| line = ''; | ||
|
|
||
| // add namespace if exists | ||
| if (value.namespace) { | ||
| line += value.namespace + '.'; | ||
| } | ||
| line += key.indexOf('X-') === 0 ? key : key.toUpperCase(); | ||
|
|
||
| // add meta properties | ||
| if (typeof value.meta === 'object') { | ||
| Object.keys(value.meta).forEach(function (metaKey) { | ||
| // values of meta tags must be an array | ||
| if (typeof value.meta[metaKey].forEach !== 'function') { | ||
| return; | ||
| } | ||
| value.meta[metaKey].forEach(function (metaValue) { | ||
| if (metaKey.length > 0) { | ||
| if (metaKey.toUpperCase() === 'TYPE') { | ||
| // Do not escape the comma when it is the type property. This breaks a lot. | ||
| line += ';' + escapeCharacters(metaKey.toUpperCase()) + '=' + escapeTypeCharacters(metaValue); | ||
| } else { | ||
| line += ';' + escapeCharacters(metaKey.toUpperCase()) + '=' + escapeCharacters(metaValue); | ||
| } | ||
| } | ||
| }); | ||
| }); | ||
| } | ||
|
|
||
| line += ':'; | ||
|
|
||
|
|
||
|
|
||
| if (typeof value.value === 'string') { | ||
| line += escapeCharacters(value.value); | ||
| } else { | ||
| // list-values | ||
| var separator = COMMA_SEPARATED_FIELDS.indexOf(key) !== -1 | ||
| ? ',' | ||
| : ';'; | ||
| line += value.value.map(function (item) { | ||
| return escapeCharacters(item); | ||
| }).join(separator); | ||
| } | ||
|
|
||
| // line-length limit. Content lines | ||
| // SHOULD be folded to a maximum width of 75 octets, excluding the line break. | ||
| if (line.length > 75) { | ||
| var firstChunk = line.substr(0, 75), | ||
| least = line.substr(75); | ||
| var splitted = least.match(/.{1,74}/g); | ||
| lines.push(firstChunk); | ||
| splitted.forEach(function (chunk) { | ||
| lines.push(' ' + chunk); | ||
| }); | ||
| } else { | ||
| lines.push(line); | ||
| } | ||
| }); | ||
| }); | ||
|
|
||
| lines.push(POSTFIX); | ||
| return lines.join('\r\n'); | ||
| } | ||
| return { | ||
| parse: parse, | ||
| generate: generate | ||
| }; | ||
| })(); |
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this can be undone