| 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google LLC All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | import { AST } from '../../../expression_parser/ast';
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| 9 | import * as i18n from '../../../i18n/i18n_ast';
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| 10 | import * as o from '../../../output/output_ast';
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| 11 | /**
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| 12 | * I18nContext is a helper class which keeps track of all i18n-related aspects
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| 13 | * (accumulates placeholders, bindings, etc) between i18nStart and i18nEnd instructions.
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| 14 | *
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| 15 | * When we enter a nested template, the top-level context is being passed down
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| 16 | * to the nested component, which uses this context to generate a child instance
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| 17 | * of I18nContext class (to handle nested template) and at the end, reconciles it back
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| 18 | * with the parent context.
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| 19 | *
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| 20 | * @param index Instruction index of i18nStart, which initiates this context
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| 21 | * @param ref Reference to a translation const that represents the content if thus context
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| 22 | * @param level Nestng level defined for child contexts
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| 23 | * @param templateIndex Instruction index of a template which this context belongs to
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| 24 | * @param meta Meta information (id, meaning, description, etc) associated with this context
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| 25 | */
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| 26 | export declare class I18nContext {
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| 27 | readonly index: number;
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| 28 | readonly ref: o.ReadVarExpr;
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| 29 | readonly level: number;
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| 30 | readonly templateIndex: number | null;
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| 31 | readonly meta: i18n.I18nMeta;
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| 32 | private registry?;
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| 33 | readonly id: number;
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| 34 | bindings: Set<AST>;
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| 35 | placeholders: Map<string, any[]>;
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| 36 | isEmitted: boolean;
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| 37 | private _registry;
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| 38 | private _unresolvedCtxCount;
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| 39 | constructor(index: number, ref: o.ReadVarExpr, level: number, templateIndex: number | null, meta: i18n.I18nMeta, registry?: any);
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| 40 | private appendTag;
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| 41 | get icus(): any;
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| 42 | get isRoot(): boolean;
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| 43 | get isResolved(): boolean;
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| 44 | getSerializedPlaceholders(): Map<string, any[]>;
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| 45 | appendBinding(binding: AST): void;
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| 46 | appendIcu(name: string, ref: o.Expression): void;
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| 47 | appendBoundText(node: i18n.I18nMeta): void;
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| 48 | appendTemplate(node: i18n.I18nMeta, index: number): void;
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| 49 | appendElement(node: i18n.I18nMeta, index: number, closed?: boolean): void;
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| 50 | appendProjection(node: i18n.I18nMeta, index: number): void;
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| 51 | /**
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| 52 | * Generates an instance of a child context based on the root one,
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| 53 | * when we enter a nested template within I18n section.
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| 54 | *
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| 55 | * @param index Instruction index of corresponding i18nStart, which initiates this context
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| 56 | * @param templateIndex Instruction index of a template which this context belongs to
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| 57 | * @param meta Meta information (id, meaning, description, etc) associated with this context
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| 58 | *
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| 59 | * @returns I18nContext instance
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| 60 | */
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| 61 | forkChildContext(index: number, templateIndex: number, meta: i18n.I18nMeta): I18nContext;
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| 62 | /**
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| 63 | * Reconciles child context into parent one once the end of the i18n block is reached (i18nEnd).
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| 64 | *
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| 65 | * @param context Child I18nContext instance to be reconciled with parent context.
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| 66 | */
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| 67 | reconcileChildContext(context: I18nContext): void;
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| 68 | }
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