@ngx-i18nsupport/ngx-i18nsupport-lib
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A Typescript library to work with Angular generated i18n files (xliff, xmb)
253 lines • 19.4 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import * as Tokenizr from 'tokenizr';
// Tokens
/**
* Created by martin on 04.06.2017.
* A tokenizer for ICU messages.
* @type {?}
*/
export const TEXT = 'TEXT';
/** @type {?} */
export const CURLY_BRACE_OPEN = 'CURLY_BRACE_OPEN';
/** @type {?} */
export const CURLY_BRACE_CLOSE = 'CURLY_BRACE_CLOSE';
/** @type {?} */
export const COMMA = 'COMMA';
/** @type {?} */
export const PLURAL = 'PLURAL';
/** @type {?} */
export const SELECT = 'SELECT';
/**
* @record
*/
export function ICUToken() { }
if (false) {
/** @type {?} */
ICUToken.prototype.type;
/** @type {?} */
ICUToken.prototype.value;
}
// states: default normal in_message
/** @type {?} */
const STATE_DEFAULT = 'default';
/** @type {?} */
const STATE_NORMAL = 'normal';
/** @type {?} */
const STATE_IN_MESSAGE = 'in_message';
export class ICUMessageTokenizer {
/**
* @private
* @return {?}
*/
getLexer() {
/** @type {?} */
const lexer = new Tokenizr();
/** @type {?} */
let plaintext = '';
/** @type {?} */
let openedCurlyBracesInTextCounter = 0;
lexer.before((/**
* @param {?} ctx
* @param {?} match
* @param {?} rule
* @return {?}
*/
(ctx, match, rule) => {
if (rule.name !== TEXT) {
if (this.containsNonWhiteSpace(plaintext)) {
ctx.accept(TEXT, plaintext);
plaintext = '';
}
else {
ctx.ignore();
}
}
}));
lexer.finish((/**
* @param {?} ctx
* @return {?}
*/
(ctx) => {
if (this.containsNonWhiteSpace(plaintext)) {
ctx.accept(TEXT, plaintext);
}
}));
// curly brace
lexer.rule(STATE_DEFAULT, /{/, (/**
* @param {?} ctx
* @param {?} match
* @return {?}
*/
(ctx, match) => {
ctx.accept(CURLY_BRACE_OPEN, match[0]);
ctx.push(STATE_NORMAL);
}), CURLY_BRACE_OPEN);
lexer.rule(STATE_NORMAL, /{/, (/**
* @param {?} ctx
* @param {?} match
* @return {?}
*/
(ctx, match) => {
ctx.accept(CURLY_BRACE_OPEN, match[0]);
ctx.push(STATE_IN_MESSAGE);
}), CURLY_BRACE_OPEN);
lexer.rule(STATE_NORMAL, /}/, (/**
* @param {?} ctx
* @param {?} match
* @return {?}
*/
(ctx, match) => {
ctx.pop();
ctx.accept(CURLY_BRACE_CLOSE, match[0]);
}), CURLY_BRACE_CLOSE);
// masked ' { and }
lexer.rule(STATE_IN_MESSAGE, /'[{}]?'/, (/**
* @param {?} ctx
* @param {?} match
* @return {?}
*/
(ctx, match) => {
if (match[0] === '\'\'') {
plaintext += '\'';
}
else if (match[0] === '\'{\'') {
plaintext += '{';
}
else if (match[0] === '\'}\'') {
plaintext += '}';
}
ctx.ignore();
}), TEXT);
lexer.rule(STATE_IN_MESSAGE, /./, (/**
* @param {?} ctx
* @param {?} match
* @return {?}
*/
(ctx, match) => {
/** @type {?} */
const char = match[0];
if (char === '{') {
openedCurlyBracesInTextCounter++;
plaintext += match[0];
ctx.ignore();
}
else if (char === '}') {
if (openedCurlyBracesInTextCounter > 0) {
openedCurlyBracesInTextCounter--;
plaintext += match[0];
ctx.ignore();
}
else {
ctx.pop();
ctx.accept(TEXT, plaintext);
plaintext = '';
ctx.accept(CURLY_BRACE_CLOSE, match[0]);
}
}
else {
plaintext += match[0];
ctx.ignore();
}
}), TEXT);
// comma
lexer.rule(STATE_NORMAL, /,/, (/**
* @param {?} ctx
* @param {?} match
* @return {?}
*/
(ctx, match) => {
ctx.accept(COMMA, match[0]);
}), COMMA);
// keywords plural and select
lexer.rule(STATE_NORMAL, /plural/, (/**
* @param {?} ctx
* @param {?} match
* @return {?}
*/
(ctx, match) => {
ctx.accept(PLURAL, match[0]);
}), PLURAL);
lexer.rule(STATE_NORMAL, /select/, (/**
* @param {?} ctx
* @param {?} match
* @return {?}
*/
(ctx, match) => {
ctx.accept(SELECT, match[0]);
}), SELECT);
// text
lexer.rule(/./, (/**
* @param {?} ctx
* @param {?} match
* @return {?}
*/
(ctx, match) => {
plaintext += match[0];
ctx.ignore();
}), TEXT);
lexer.rule(/[\s]+/, (/**
* @param {?} ctx
* @param {?} match
* @return {?}
*/
(ctx, match) => {
plaintext += match[0];
ctx.ignore();
}), TEXT);
return lexer;
}
/**
* @private
* @param {?} text
* @return {?}
*/
containsNonWhiteSpace(text) {
for (let i = 0; i < text.length; i++) {
if (!/\s/.test(text.charAt(i))) {
return true;
}
}
return false;
}
/**
* @param {?} normalizedMessage
* @return {?}
*/
tokenize(normalizedMessage) {
/** @type {?} */
const lexer = this.getLexer();
lexer.input(normalizedMessage);
return lexer.tokens();
}
/**
* @param {?} normalizedMessage
* @return {?}
*/
input(normalizedMessage) {
this.lexer = this.getLexer();
this.lexer.input(normalizedMessage);
}
/**
* @return {?}
*/
next() {
return this.lexer.token();
}
/**
* @return {?}
*/
peek() {
return this.lexer.peek();
}
}
if (false) {
/**
* @type {?}
* @private
*/
ICUMessageTokenizer.prototype.lexer;
}
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* as Tokenizr from 'tokenizr';\r\n\r\n/**\r\n * Created by martin on 04.06.2017.\r\n * A tokenizer for ICU messages.\r\n */\r\n\r\n// Tokens\r\nexport const TEXT = 'TEXT';\r\nexport const CURLY_BRACE_OPEN = 'CURLY_BRACE_OPEN';\r\nexport const CURLY_BRACE_CLOSE = 'CURLY_BRACE_CLOSE';\r\nexport const COMMA = 'COMMA';\r\nexport const PLURAL = 'PLURAL';\r\nexport const SELECT = 'SELECT';\r\n\r\nexport interface ICUToken {\r\n    type: string;\r\n    value: any;\r\n}\r\n\r\n// states: default normal in_message\r\nconst STATE_DEFAULT = 'default';\r\nconst STATE_NORMAL = 'normal';\r\nconst STATE_IN_MESSAGE = 'in_message';\r\n\r\nexport class ICUMessageTokenizer {\r\n    private lexer: Tokenizr;\r\n\r\n    private getLexer(): Tokenizr {\r\n        const lexer = new Tokenizr();\r\n        let plaintext = '';\r\n        let openedCurlyBracesInTextCounter = 0;\r\n        lexer.before((ctx, match, rule) => {\r\n            if (rule.name !== TEXT) {\r\n                if (this.containsNonWhiteSpace(plaintext)) {\r\n                    ctx.accept(TEXT, plaintext);\r\n                    plaintext = '';\r\n                } else {\r\n                    ctx.ignore();\r\n                }\r\n            }\r\n        });\r\n        lexer.finish((ctx) => {\r\n            if (this.containsNonWhiteSpace(plaintext)) {\r\n                ctx.accept(TEXT, plaintext);\r\n            }\r\n         });\r\n        // curly brace\r\n        lexer.rule(STATE_DEFAULT, /{/, (ctx, match) => {\r\n            ctx.accept(CURLY_BRACE_OPEN, match[0]);\r\n            ctx.push(STATE_NORMAL);\r\n        }, CURLY_BRACE_OPEN);\r\n        lexer.rule(STATE_NORMAL, /{/, (ctx, match) => {\r\n            ctx.accept(CURLY_BRACE_OPEN, match[0]);\r\n            ctx.push(STATE_IN_MESSAGE);\r\n        }, CURLY_BRACE_OPEN);\r\n        lexer.rule(STATE_NORMAL, /}/, (ctx, match) => {\r\n            ctx.pop();\r\n            ctx.accept(CURLY_BRACE_CLOSE, match[0]);\r\n        }, CURLY_BRACE_CLOSE);\r\n        // masked ' { and }\r\n        lexer.rule(STATE_IN_MESSAGE, /'[{}]?'/, (ctx, match) => {\r\n            if (match[0] === '\\'\\'') {\r\n                plaintext += '\\'';\r\n            } else if (match[0] === '\\'{\\'') {\r\n                plaintext += '{';\r\n            } else if (match[0] === '\\'}\\'') {\r\n                plaintext += '}';\r\n            }\r\n            ctx.ignore();\r\n        }, TEXT);\r\n        lexer.rule(STATE_IN_MESSAGE, /./, (ctx, match) => {\r\n            const char = match[0];\r\n            if (char === '{') {\r\n                openedCurlyBracesInTextCounter++;\r\n                plaintext += match[0];\r\n                ctx.ignore();\r\n            } else if (char === '}') {\r\n                if (openedCurlyBracesInTextCounter > 0) {\r\n                    openedCurlyBracesInTextCounter--;\r\n                    plaintext += match[0];\r\n                    ctx.ignore();\r\n                } else {\r\n                    ctx.pop();\r\n                    ctx.accept(TEXT, plaintext);\r\n                    plaintext = '';\r\n                    ctx.accept(CURLY_BRACE_CLOSE, match[0]);\r\n                }\r\n            } else {\r\n                plaintext += match[0];\r\n                ctx.ignore();\r\n            }\r\n        }, TEXT);\r\n        // comma\r\n        lexer.rule(STATE_NORMAL, /,/, (ctx, match) => {\r\n            ctx.accept(COMMA, match[0]);\r\n        }, COMMA);\r\n        // keywords plural and select\r\n        lexer.rule(STATE_NORMAL, /plural/, (ctx, match) => {\r\n            ctx.accept(PLURAL, match[0]);\r\n        }, PLURAL);\r\n        lexer.rule(STATE_NORMAL, /select/, (ctx, match) => {\r\n            ctx.accept(SELECT, match[0]);\r\n        }, SELECT);\r\n        // text\r\n        lexer.rule(/./, (ctx, match) => {\r\n            plaintext += match[0];\r\n            ctx.ignore();\r\n        }, TEXT);\r\n        lexer.rule(/[\\s]+/, (ctx, match) => {\r\n            plaintext += match[0];\r\n            ctx.ignore();\r\n        }, TEXT);\r\n        return lexer;\r\n    }\r\n\r\n    private containsNonWhiteSpace(text: string): boolean {\r\n        for (let i = 0; i < text.length; i++) {\r\n            if (!/\\s/.test(text.charAt(i))) {\r\n                return true;\r\n            }\r\n        }\r\n        return false;\r\n    }\r\n\r\n    tokenize(normalizedMessage: string): ICUToken[] {\r\n        const lexer: Tokenizr = this.getLexer();\r\n        lexer.input(normalizedMessage);\r\n        return lexer.tokens();\r\n    }\r\n\r\n    input(normalizedMessage: string) {\r\n        this.lexer = this.getLexer();\r\n        this.lexer.input(normalizedMessage);\r\n    }\r\n\r\n    next(): ICUToken {\r\n        return this.lexer.token();\r\n    }\r\n\r\n    peek(): ICUToken {\r\n        return this.lexer.peek();\r\n    }\r\n}\r\n"]}