@ngx-i18nsupport/ngx-i18nsupport-lib
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A Typescript library to work with Angular generated i18n files (xliff, xmb)
172 lines • 18.1 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { ParsedMessagePart, ParsedMessagePartType } from './parsed-message-part';
import { COMMA, CURLY_BRACE_CLOSE, CURLY_BRACE_OPEN, ICUMessageTokenizer, PLURAL, SELECT, TEXT } from './icu-message-tokenizer';
import { ICUMessage } from './icu-message';
import { format } from 'util';
/**
* Created by martin on 02.06.2017.
* A message part consisting of an icu message.
* There can only be one icu message in a parsed message.
* Syntax of ICU message is '{' <keyname> ',' 'select'|'plural' ',' (<category> '{' text '}')+ '}'
*/
export class ParsedMessagePartICUMessage extends ParsedMessagePart {
/**
* @param {?} icuMessageText
* @param {?} _parser
*/
constructor(icuMessageText, _parser) {
super(ParsedMessagePartType.ICU_MESSAGE);
this._parser = _parser;
if (icuMessageText) {
this.parseICUMessage(icuMessageText);
}
}
/**
* Test wether text might be an ICU message.
* Should at least start with something like '{<name>, select, ..' or '{<name>, plural, ...'
* @param {?} icuMessageText icuMessageText
* @return {?} wether text might be an ICU message.
*/
static looksLikeICUMessage(icuMessageText) {
/** @type {?} */
const part = new ParsedMessagePartICUMessage(null, null);
return part.looksLikeICUMessage(icuMessageText);
}
/**
* @param {?=} displayFormat
* @return {?}
*/
asDisplayString(displayFormat) {
return '<ICU-Message/>';
}
/**
* return the parsed message.
* @return {?} parsed message
*/
getICUMessage() {
return this._message;
}
/**
* Parse the message.
* @throws an error if the syntax is not ok in any way.
* @private
* @param {?} text message text to parse
* @return {?}
*/
parseICUMessage(text) {
// console.log('message ', text);
// const tokens = new ICUMessageTokenizer().tokenize(text);
// tokens.forEach((tok) => {
// console.log('Token', tok.type, tok.value);
// });
this._messageText = text;
this._tokenizer = new ICUMessageTokenizer();
this._tokenizer.input(text);
this.expectNext(CURLY_BRACE_OPEN);
this.expectNext(TEXT); // varname, not used currently, ng always used VAR_PLURAL or VAR_SELECT
this.expectNext(COMMA);
/** @type {?} */
let token = this._tokenizer.next();
if (token.type === PLURAL) {
this._message = new ICUMessage(this._parser, true);
}
else if (token.type === SELECT) {
this._message = new ICUMessage(this._parser, false);
}
this.expectNext(COMMA);
token = this._tokenizer.peek();
while (token.type !== CURLY_BRACE_CLOSE) {
/** @type {?} */
const category = this.expectNext(TEXT).value.trim();
this.expectNext(CURLY_BRACE_OPEN);
/** @type {?} */
const message = this.expectNext(TEXT).value;
this._message.addCategory(category, this.parseNativeSubMessage(message));
this.expectNext(CURLY_BRACE_CLOSE);
token = this._tokenizer.peek();
}
this.expectNext(CURLY_BRACE_CLOSE);
this.expectNext('EOF');
}
/**
* Parse the message to check, wether it might be an ICU message.
* Should at least start with something like '{<name>, select, ..' or '{<name>, plural, ...'
* @private
* @param {?} text message text to parse
* @return {?}
*/
looksLikeICUMessage(text) {
// console.log('message ', text);
// const tokens = new ICUMessageTokenizer().tokenize(text);
// tokens.forEach((tok) => {
// console.log('Token', tok.type, tok.value);
// });
this._tokenizer = new ICUMessageTokenizer();
this._tokenizer.input(text);
try {
this.expectNext(CURLY_BRACE_OPEN);
this.expectNext(TEXT); // varname, not used currently, ng always used VAR_PLURAL or VAR_SELECT
this.expectNext(COMMA);
/** @type {?} */
const token = this._tokenizer.next();
if (token.type !== PLURAL && token.type !== SELECT) {
return false;
}
this.expectNext(COMMA);
return true;
}
catch (error) {
return false;
}
}
/**
* Read next token and expect, that it is of the given type.
* @throws error, if next token has wrong type.
* @private
* @param {?} tokentype expected type.
* @return {?} Token
*/
expectNext(tokentype) {
/** @type {?} */
const token = this._tokenizer.next();
if (token.type !== tokentype) {
throw new Error(format('Error parsing ICU Message: expected %s, found %s (%s) (message %s)', tokentype, token.type, token.value, this._messageText));
}
return token;
}
/**
* Parse XML text to normalized message.
* @private
* @param {?} message message in format dependent xml syntax.
* @return {?} normalized message
*/
parseNativeSubMessage(message) {
return this._parser.createNormalizedMessageFromXMLString(message, null);
}
}
if (false) {
/**
* @type {?}
* @private
*/
ParsedMessagePartICUMessage.prototype._message;
/**
* @type {?}
* @private
*/
ParsedMessagePartICUMessage.prototype._messageText;
/**
* @type {?}
* @private
*/
ParsedMessagePartICUMessage.prototype._tokenizer;
/**
* @type {?}
* @private
*/
ParsedMessagePartICUMessage.prototype._parser;
}
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{ParsedMessagePart, ParsedMessagePartType} from './parsed-message-part';\r\nimport {IICUMessage, INormalizedMessage} from '../api/index';\r\nimport {\r\n    COMMA, CURLY_BRACE_CLOSE, CURLY_BRACE_OPEN, ICUMessageTokenizer, ICUToken, PLURAL, SELECT,\r\n    TEXT\r\n} from './icu-message-tokenizer';\r\nimport {ICUMessage} from './icu-message';\r\nimport {format} from 'util';\r\nimport {IMessageParser} from './i-message-parser';\r\n\r\n/**\r\n * Created by martin on 02.06.2017.\r\n * A message part consisting of an icu message.\r\n * There can only be one icu message in a parsed message.\r\n * Syntax of ICU message is '{' <keyname> ',' 'select'|'plural' ',' (<category> '{' text '}')+ '}'\r\n */\r\n\r\nexport class ParsedMessagePartICUMessage extends ParsedMessagePart {\r\n\r\n    private _message: ICUMessage;\r\n    private _messageText: string;\r\n    private _tokenizer: ICUMessageTokenizer;\r\n\r\n    constructor(icuMessageText: string, private _parser: IMessageParser) {\r\n        super(ParsedMessagePartType.ICU_MESSAGE);\r\n        if (icuMessageText) {\r\n            this.parseICUMessage(icuMessageText);\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Test wether text might be an ICU message.\r\n     * Should at least start with something like '{<name>, select, ..' or '{<name>, plural, ...'\r\n     * @param icuMessageText icuMessageText\r\n     * @return wether text might be an ICU message.\r\n     */\r\n    static looksLikeICUMessage(icuMessageText: string): boolean {\r\n        const part = new ParsedMessagePartICUMessage(null, null);\r\n        return part.looksLikeICUMessage(icuMessageText);\r\n    }\r\n\r\n    public asDisplayString(displayFormat?: string) {\r\n        return '<ICU-Message/>';\r\n    }\r\n\r\n    /**\r\n     * return the parsed message.\r\n     * @return parsed message\r\n     */\r\n    public getICUMessage(): IICUMessage {\r\n        return this._message;\r\n    }\r\n\r\n    /**\r\n     * Parse the message.\r\n     * @param text message text to parse\r\n     * @throws an error if the syntax is not ok in any way.\r\n     */\r\n    private parseICUMessage(text: string) {\r\n        // console.log('message ', text);\r\n        // const tokens = new ICUMessageTokenizer().tokenize(text);\r\n        // tokens.forEach((tok) => {\r\n        //     console.log('Token', tok.type, tok.value);\r\n        // });\r\n        this._messageText = text;\r\n        this._tokenizer = new ICUMessageTokenizer();\r\n        this._tokenizer.input(text);\r\n        this.expectNext(CURLY_BRACE_OPEN);\r\n        this.expectNext(TEXT); // varname, not used currently, ng always used VAR_PLURAL or VAR_SELECT\r\n        this.expectNext(COMMA);\r\n        let token: ICUToken = this._tokenizer.next();\r\n        if (token.type === PLURAL) {\r\n            this._message = new ICUMessage(this._parser, true);\r\n        } else if (token.type === SELECT) {\r\n            this._message = new ICUMessage(this._parser, false);\r\n        }\r\n        this.expectNext(COMMA);\r\n        token = this._tokenizer.peek();\r\n        while (token.type !== CURLY_BRACE_CLOSE) {\r\n            const category = this.expectNext(TEXT).value.trim();\r\n            this.expectNext(CURLY_BRACE_OPEN);\r\n            const message = this.expectNext(TEXT).value;\r\n            this._message.addCategory(category, this.parseNativeSubMessage(message));\r\n            this.expectNext(CURLY_BRACE_CLOSE);\r\n            token = this._tokenizer.peek();\r\n        }\r\n        this.expectNext(CURLY_BRACE_CLOSE);\r\n        this.expectNext('EOF');\r\n    }\r\n\r\n    /**\r\n     * Parse the message to check, wether it might be an ICU message.\r\n     * Should at least start with something like '{<name>, select, ..' or '{<name>, plural, ...'\r\n     * @param text message text to parse\r\n     */\r\n    private looksLikeICUMessage(text: string): boolean {\r\n        // console.log('message ', text);\r\n        // const tokens = new ICUMessageTokenizer().tokenize(text);\r\n        // tokens.forEach((tok) => {\r\n        //     console.log('Token', tok.type, tok.value);\r\n        // });\r\n        this._tokenizer = new ICUMessageTokenizer();\r\n        this._tokenizer.input(text);\r\n        try {\r\n            this.expectNext(CURLY_BRACE_OPEN);\r\n            this.expectNext(TEXT); // varname, not used currently, ng always used VAR_PLURAL or VAR_SELECT\r\n            this.expectNext(COMMA);\r\n            const token: ICUToken = this._tokenizer.next();\r\n            if (token.type !== PLURAL && token.type !== SELECT) {\r\n                return false;\r\n            }\r\n            this.expectNext(COMMA);\r\n            return true;\r\n        } catch (error) {\r\n            return false;\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Read next token and expect, that it is of the given type.\r\n     * @param tokentype expected type.\r\n     * @return Token\r\n     * @throws error, if next token has wrong type.\r\n     */\r\n    private expectNext(tokentype: string): ICUToken {\r\n        const token = this._tokenizer.next();\r\n        if (token.type !== tokentype) {\r\n            throw new Error(format('Error parsing ICU Message: expected %s, found %s (%s) (message %s)',\r\n                tokentype, token.type, token.value, this._messageText));\r\n        }\r\n        return token;\r\n    }\r\n\r\n    /**\r\n     * Parse XML text to normalized message.\r\n     * @param message message in format dependent xml syntax.\r\n     * @return normalized message\r\n     */\r\n    private parseNativeSubMessage(message: string): INormalizedMessage {\r\n        return this._parser.createNormalizedMessageFromXMLString(message, null);\r\n    }\r\n}\r\n"]}