/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { assertEqual, assertGreaterThan, assertGreaterThanOrEqual, throwError } from '../../util/assert';
import { assertTIcu, assertTNode } from '../assert';
import { createTNodeAtIndex } from '../instructions/shared';
import { assertTNodeType } from '../node_assert';
import { setI18nHandling } from '../node_manipulation';
import { getInsertInFrontOfRNodeWithI18n, processI18nInsertBefore } from '../node_manipulation_i18n';
import { addTNodeAndUpdateInsertBeforeIndex } from './i18n_insert_before_index';
/**
 * Retrieve `TIcu` at a given `index`.
 *
 * The `TIcu` can be stored either directly (if it is nested ICU) OR
 * it is stored inside tho `TIcuContainer` if it is top level ICU.
 *
 * The reason for this is that the top level ICU need a `TNode` so that they are part of the render
 * tree, but nested ICU's have no TNode, because we don't know ahead of time if the nested ICU is
 * expressed (parent ICU may have selected a case which does not contain it.)
 *
 * @param tView Current `TView`.
 * @param index Index where the value should be read from.
 */
export function getTIcu(tView, index) {
    const value = tView.data[index];
    if (value === null || typeof value === 'string')
        return null;
    if (ngDevMode &&
        !(value.hasOwnProperty('tViews') || value.hasOwnProperty('currentCaseLViewIndex'))) {
        throwError('We expect to get \'null\'|\'TIcu\'|\'TIcuContainer\', but got: ' + value);
    }
    // Here the `value.hasOwnProperty('currentCaseLViewIndex')` is a polymorphic read as it can be
    // either TIcu or TIcuContainerNode. This is not ideal, but we still think it is OK because it
    // will be just two cases which fits into the browser inline cache (inline cache can take up to
    // 4)
    const tIcu = value.hasOwnProperty('currentCaseLViewIndex') ? value :
        value.value;
    ngDevMode && assertTIcu(tIcu);
    return tIcu;
}
/**
 * Store `TIcu` at a give `index`.
 *
 * The `TIcu` can be stored either directly (if it is nested ICU) OR
 * it is stored inside tho `TIcuContainer` if it is top level ICU.
 *
 * The reason for this is that the top level ICU need a `TNode` so that they are part of the render
 * tree, but nested ICU's have no TNode, because we don't know ahead of time if the nested ICU is
 * expressed (parent ICU may have selected a case which does not contain it.)
 *
 * @param tView Current `TView`.
 * @param index Index where the value should be stored at in `Tview.data`
 * @param tIcu The TIcu to store.
 */
export function setTIcu(tView, index, tIcu) {
    const tNode = tView.data[index];
    ngDevMode &&
        assertEqual(tNode === null || tNode.hasOwnProperty('tViews'), true, 'We expect to get \'null\'|\'TIcuContainer\'');
    if (tNode === null) {
        tView.data[index] = tIcu;
    }
    else {
        ngDevMode && assertTNodeType(tNode, 32 /* TNodeType.Icu */);
        tNode.value = tIcu;
    }
}
/**
 * Set `TNode.insertBeforeIndex` taking the `Array` into account.
 *
 * See `TNode.insertBeforeIndex`
 */
export function setTNodeInsertBeforeIndex(tNode, index) {
    ngDevMode && assertTNode(tNode);
    let insertBeforeIndex = tNode.insertBeforeIndex;
    if (insertBeforeIndex === null) {
        setI18nHandling(getInsertInFrontOfRNodeWithI18n, processI18nInsertBefore);
        insertBeforeIndex = tNode.insertBeforeIndex =
            [null /* may be updated to number later */, index];
    }
    else {
        assertEqual(Array.isArray(insertBeforeIndex), true, 'Expecting array here');
        insertBeforeIndex.push(index);
    }
}
/**
 * Create `TNode.type=TNodeType.Placeholder` node.
 *
 * See `TNodeType.Placeholder` for more information.
 */
export function createTNodePlaceholder(tView, previousTNodes, index) {
    const tNode = createTNodeAtIndex(tView, index, 64 /* TNodeType.Placeholder */, null, null);
    addTNodeAndUpdateInsertBeforeIndex(previousTNodes, tNode);
    return tNode;
}
/**
 * Returns current ICU case.
 *
 * ICU cases are stored as index into the `TIcu.cases`.
 * At times it is necessary to communicate that the ICU case just switched and that next ICU update
 * should update all bindings regardless of the mask. In such a case the we store negative numbers
 * for cases which have just been switched. This function removes the negative flag.
 */
export function getCurrentICUCaseIndex(tIcu, lView) {
    const currentCase = lView[tIcu.currentCaseLViewIndex];
    return currentCase === null ? currentCase : (currentCase < 0 ? ~currentCase : currentCase);
}
export function getParentFromIcuCreateOpCode(mergedCode) {
    return mergedCode >>> 17 /* IcuCreateOpCode.SHIFT_PARENT */;
}
export function getRefFromIcuCreateOpCode(mergedCode) {
    return (mergedCode & 131070 /* IcuCreateOpCode.MASK_REF */) >>> 1 /* IcuCreateOpCode.SHIFT_REF */;
}
export function getInstructionFromIcuCreateOpCode(mergedCode) {
    return mergedCode & 1 /* IcuCreateOpCode.MASK_INSTRUCTION */;
}
export function icuCreateOpCode(opCode, parentIdx, refIdx) {
    ngDevMode && assertGreaterThanOrEqual(parentIdx, 0, 'Missing parent index');
    ngDevMode && assertGreaterThan(refIdx, 0, 'Missing ref index');
    return opCode | parentIdx << 17 /* IcuCreateOpCode.SHIFT_PARENT */ | refIdx << 1 /* IcuCreateOpCode.SHIFT_REF */;
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"i18n_util.js","sourceRoot":"","sources":["../../../../../../../../packages/core/src/render3/i18n/i18n_util.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,WAAW,EAAE,iBAAiB,EAAE,wBAAwB,EAAE,UAAU,EAAC,MAAM,mBAAmB,CAAC;AACvG,OAAO,EAAC,UAAU,EAAE,WAAW,EAAC,MAAM,WAAW,CAAC;AAClD,OAAO,EAAC,kBAAkB,EAAC,MAAM,wBAAwB,CAAC;AAI1D,OAAO,EAAC,eAAe,EAAC,MAAM,gBAAgB,CAAC;AAC/C,OAAO,EAAC,eAAe,EAAC,MAAM,sBAAsB,CAAC;AACrD,OAAO,EAAC,+BAA+B,EAAE,uBAAuB,EAAC,MAAM,2BAA2B,CAAC;AACnG,OAAO,EAAC,kCAAkC,EAAC,MAAM,4BAA4B,CAAC;AAG9E;;;;;;;;;;;;GAYG;AACH,MAAM,UAAU,OAAO,CAAC,KAAY,EAAE,KAAa;IACjD,MAAM,KAAK,GAAG,KAAK,CAAC,IAAI,CAAC,KAAK,CAA6C,CAAC;IAC5E,IAAI,KAAK,KAAK,IAAI,IAAI,OAAO,KAAK,KAAK,QAAQ;QAAE,OAAO,IAAI,CAAC;IAC7D,IAAI,SAAS;QACT,CAAC,CAAC,KAAK,CAAC,cAAc,CAAC,QAAQ,CAAC,IAAI,KAAK,CAAC,cAAc,CAAC,uBAAuB,CAAC,CAAC,EAAE;QACtF,UAAU,CAAC,iEAAiE,GAAG,KAAK,CAAC,CAAC;KACvF;IACD,8FAA8F;IAC9F,8FAA8F;IAC9F,+FAA+F;IAC/F,KAAK;IACL,MAAM,IAAI,GAAG,KAAK,CAAC,cAAc,CAAC,uBAAuB,CAAC,CAAC,CAAC,CAAC,KAAa,CAAC,CAAC;QACd,KAA2B,CAAC,KAAK,CAAC;IAChG,SAAS,IAAI,UAAU,CAAC,IAAI,CAAC,CAAC;IAC9B,OAAO,IAAI,CAAC;AACd,CAAC;AAED;;;;;;;;;;;;;GAaG;AACH,MAAM,UAAU,OAAO,CAAC,KAAY,EAAE,KAAa,EAAE,IAAU;IAC7D,MAAM,KAAK,GAAG,KAAK,CAAC,IAAI,CAAC,KAAK,CAA6B,CAAC;IAC5D,SAAS;QACL,WAAW,CACP,KAAK,KAAK,IAAI,IAAI,KAAK,CAAC,cAAc,CAAC,QAAQ,CAAC,EAAE,IAAI,EACtD,6CAA6C,CAAC,CAAC;IACvD,IAAI,KAAK,KAAK,IAAI,EAAE;QAClB,KAAK,CAAC,IAAI,CAAC,KAAK,CAAC,GAAG,IAAI,CAAC;KAC1B;SAAM;QACL,SAAS,IAAI,eAAe,CAAC,KAAK,yBAAgB,CAAC;QACnD,KAAK,CAAC,KAAK,GAAG,IAAI,CAAC;KACpB;AACH,CAAC;AAED;;;;GAIG;AACH,MAAM,UAAU,yBAAyB,CAAC,KAAY,EAAE,KAAa;IACnE,SAAS,IAAI,WAAW,CAAC,KAAK,CAAC,CAAC;IAChC,IAAI,iBAAiB,GAAG,KAAK,CAAC,iBAAiB,CAAC;IAChD,IAAI,iBAAiB,KAAK,IAAI,EAAE;QAC9B,eAAe,CAAC,+BAA+B,EAAE,uBAAuB,CAAC,CAAC;QAC1E,iBAAiB,GAAG,KAAK,CAAC,iBAAiB;YACvC,CAAC,IAAK,CAAA,oCAAoC,EAAE,KAAK,CAAC,CAAC;KACxD;SAAM;QACL,WAAW,CAAC,KAAK,CAAC,OAAO,CAAC,iBAAiB,CAAC,EAAE,IAAI,EAAE,sBAAsB,CAAC,CAAC;QAC3E,iBAA8B,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;KAC7C;AACH,CAAC;AAED;;;;GAIG;AACH,MAAM,UAAU,sBAAsB,CAClC,KAAY,EAAE,cAAuB,EAAE,KAAa;IACtD,MAAM,KAAK,GAAG,kBAAkB,CAAC,KAAK,EAAE,KAAK,kCAAyB,IAAI,EAAE,IAAI,CAAC,CAAC;IAClF,kCAAkC,CAAC,cAAc,EAAE,KAAK,CAAC,CAAC;IAC1D,OAAO,KAAK,CAAC;AACf,CAAC;AAGD;;;;;;;GAOG;AACH,MAAM,UAAU,sBAAsB,CAAC,IAAU,EAAE,KAAY;IAC7D,MAAM,WAAW,GAAgB,KAAK,CAAC,IAAI,CAAC,qBAAqB,CAAC,CAAC;IACnE,OAAO,WAAW,KAAK,IAAI,CAAC,CAAC,CAAC,WAAW,CAAC,CAAC,CAAC,CAAC,WAAW,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,WAAW,CAAC,CAAC,CAAC,WAAW,CAAC,CAAC;AAC7F,CAAC;AAED,MAAM,UAAU,4BAA4B,CAAC,UAAkB;IAC7D,OAAO,UAAU,0CAAiC,CAAC;AACrD,CAAC;AAED,MAAM,UAAU,yBAAyB,CAAC,UAAkB;IAC1D,OAAO,CAAC,UAAU,wCAA2B,CAAC,sCAA8B,CAAC;AAC/E,CAAC;AAED,MAAM,UAAU,iCAAiC,CAAC,UAAkB;IAClE,OAAO,UAAU,2CAAmC,CAAC;AACvD,CAAC;AAED,MAAM,UAAU,eAAe,CAAC,MAAuB,EAAE,SAAiB,EAAE,MAAc;IACxF,SAAS,IAAI,wBAAwB,CAAC,SAAS,EAAE,CAAC,EAAE,sBAAsB,CAAC,CAAC;IAC5E,SAAS,IAAI,iBAAiB,CAAC,MAAM,EAAE,CAAC,EAAE,mBAAmB,CAAC,CAAC;IAC/D,OAAO,MAAM,GAAG,SAAS,yCAAgC,GAAG,MAAM,qCAA6B,CAAC;AAClG,CAAC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {assertEqual, assertGreaterThan, assertGreaterThanOrEqual, throwError} from '../../util/assert';\nimport {assertTIcu, assertTNode} from '../assert';\nimport {createTNodeAtIndex} from '../instructions/shared';\nimport {IcuCreateOpCode, TIcu} from '../interfaces/i18n';\nimport {TIcuContainerNode, TNode, TNodeType} from '../interfaces/node';\nimport {LView, TView} from '../interfaces/view';\nimport {assertTNodeType} from '../node_assert';\nimport {setI18nHandling} from '../node_manipulation';\nimport {getInsertInFrontOfRNodeWithI18n, processI18nInsertBefore} from '../node_manipulation_i18n';\nimport {addTNodeAndUpdateInsertBeforeIndex} from './i18n_insert_before_index';\n\n\n/**\n * Retrieve `TIcu` at a given `index`.\n *\n * The `TIcu` can be stored either directly (if it is nested ICU) OR\n * it is stored inside tho `TIcuContainer` if it is top level ICU.\n *\n * The reason for this is that the top level ICU need a `TNode` so that they are part of the render\n * tree, but nested ICU's have no TNode, because we don't know ahead of time if the nested ICU is\n * expressed (parent ICU may have selected a case which does not contain it.)\n *\n * @param tView Current `TView`.\n * @param index Index where the value should be read from.\n */\nexport function getTIcu(tView: TView, index: number): TIcu|null {\n  const value = tView.data[index] as null | TIcu | TIcuContainerNode | string;\n  if (value === null || typeof value === 'string') return null;\n  if (ngDevMode &&\n      !(value.hasOwnProperty('tViews') || value.hasOwnProperty('currentCaseLViewIndex'))) {\n    throwError('We expect to get \\'null\\'|\\'TIcu\\'|\\'TIcuContainer\\', but got: ' + value);\n  }\n  // Here the `value.hasOwnProperty('currentCaseLViewIndex')` is a polymorphic read as it can be\n  // either TIcu or TIcuContainerNode. This is not ideal, but we still think it is OK because it\n  // will be just two cases which fits into the browser inline cache (inline cache can take up to\n  // 4)\n  const tIcu = value.hasOwnProperty('currentCaseLViewIndex') ? value as TIcu :\n                                                               (value as TIcuContainerNode).value;\n  ngDevMode && assertTIcu(tIcu);\n  return tIcu;\n}\n\n/**\n * Store `TIcu` at a give `index`.\n *\n * The `TIcu` can be stored either directly (if it is nested ICU) OR\n * it is stored inside tho `TIcuContainer` if it is top level ICU.\n *\n * The reason for this is that the top level ICU need a `TNode` so that they are part of the render\n * tree, but nested ICU's have no TNode, because we don't know ahead of time if the nested ICU is\n * expressed (parent ICU may have selected a case which does not contain it.)\n *\n * @param tView Current `TView`.\n * @param index Index where the value should be stored at in `Tview.data`\n * @param tIcu The TIcu to store.\n */\nexport function setTIcu(tView: TView, index: number, tIcu: TIcu): void {\n  const tNode = tView.data[index] as null | TIcuContainerNode;\n  ngDevMode &&\n      assertEqual(\n          tNode === null || tNode.hasOwnProperty('tViews'), true,\n          'We expect to get \\'null\\'|\\'TIcuContainer\\'');\n  if (tNode === null) {\n    tView.data[index] = tIcu;\n  } else {\n    ngDevMode && assertTNodeType(tNode, TNodeType.Icu);\n    tNode.value = tIcu;\n  }\n}\n\n/**\n * Set `TNode.insertBeforeIndex` taking the `Array` into account.\n *\n * See `TNode.insertBeforeIndex`\n */\nexport function setTNodeInsertBeforeIndex(tNode: TNode, index: number) {\n  ngDevMode && assertTNode(tNode);\n  let insertBeforeIndex = tNode.insertBeforeIndex;\n  if (insertBeforeIndex === null) {\n    setI18nHandling(getInsertInFrontOfRNodeWithI18n, processI18nInsertBefore);\n    insertBeforeIndex = tNode.insertBeforeIndex =\n        [null!/* may be updated to number later */, index];\n  } else {\n    assertEqual(Array.isArray(insertBeforeIndex), true, 'Expecting array here');\n    (insertBeforeIndex as number[]).push(index);\n  }\n}\n\n/**\n * Create `TNode.type=TNodeType.Placeholder` node.\n *\n * See `TNodeType.Placeholder` for more information.\n */\nexport function createTNodePlaceholder(\n    tView: TView, previousTNodes: TNode[], index: number): TNode {\n  const tNode = createTNodeAtIndex(tView, index, TNodeType.Placeholder, null, null);\n  addTNodeAndUpdateInsertBeforeIndex(previousTNodes, tNode);\n  return tNode;\n}\n\n\n/**\n * Returns current ICU case.\n *\n * ICU cases are stored as index into the `TIcu.cases`.\n * At times it is necessary to communicate that the ICU case just switched and that next ICU update\n * should update all bindings regardless of the mask. In such a case the we store negative numbers\n * for cases which have just been switched. This function removes the negative flag.\n */\nexport function getCurrentICUCaseIndex(tIcu: TIcu, lView: LView) {\n  const currentCase: number|null = lView[tIcu.currentCaseLViewIndex];\n  return currentCase === null ? currentCase : (currentCase < 0 ? ~currentCase : currentCase);\n}\n\nexport function getParentFromIcuCreateOpCode(mergedCode: number): number {\n  return mergedCode >>> IcuCreateOpCode.SHIFT_PARENT;\n}\n\nexport function getRefFromIcuCreateOpCode(mergedCode: number): number {\n  return (mergedCode & IcuCreateOpCode.MASK_REF) >>> IcuCreateOpCode.SHIFT_REF;\n}\n\nexport function getInstructionFromIcuCreateOpCode(mergedCode: number): number {\n  return mergedCode & IcuCreateOpCode.MASK_INSTRUCTION;\n}\n\nexport function icuCreateOpCode(opCode: IcuCreateOpCode, parentIdx: number, refIdx: number) {\n  ngDevMode && assertGreaterThanOrEqual(parentIdx, 0, 'Missing parent index');\n  ngDevMode && assertGreaterThan(refIdx, 0, 'Missing ref index');\n  return opCode | parentIdx << IcuCreateOpCode.SHIFT_PARENT | refIdx << IcuCreateOpCode.SHIFT_REF;\n}\n"]}