case_multiscripts.js 2.7 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", { value: true });
  3. exports.CaseMultiscripts = void 0;
  4. const DomUtil = require("../common/dom_util.js");
  5. const semantic_meaning_js_1 = require("../semantic_tree/semantic_meaning.js");
  6. const semantic_skeleton_js_1 = require("../semantic_tree/semantic_skeleton.js");
  7. const semantic_util_js_1 = require("../semantic_tree/semantic_util.js");
  8. const case_multiindex_js_1 = require("./case_multiindex.js");
  9. const EnrichMathml = require("./enrich_mathml.js");
  10. const enrich_attr_js_1 = require("./enrich_attr.js");
  11. class CaseMultiscripts extends case_multiindex_js_1.CaseMultiindex {
  12. static test(semantic) {
  13. if (!semantic.mathmlTree) {
  14. return false;
  15. }
  16. const mmlTag = DomUtil.tagName(semantic.mathmlTree);
  17. return (mmlTag === semantic_util_js_1.MMLTAGS.MMULTISCRIPTS &&
  18. (semantic.type === semantic_meaning_js_1.SemanticType.SUPERSCRIPT ||
  19. semantic.type === semantic_meaning_js_1.SemanticType.SUBSCRIPT));
  20. }
  21. constructor(semantic) {
  22. super(semantic);
  23. }
  24. getMathml() {
  25. (0, enrich_attr_js_1.setAttributes)(this.mml, this.semantic);
  26. let baseSem, rsup, rsub;
  27. if (this.semantic.childNodes[0] &&
  28. this.semantic.childNodes[0].role === semantic_meaning_js_1.SemanticRole.SUBSUP) {
  29. const ignore = this.semantic.childNodes[0];
  30. baseSem = ignore.childNodes[0];
  31. rsup = case_multiindex_js_1.CaseMultiindex.multiscriptIndex(this.semantic.childNodes[1]);
  32. rsub = case_multiindex_js_1.CaseMultiindex.multiscriptIndex(ignore.childNodes[1]);
  33. const collapsed = [this.semantic.id, [ignore.id, baseSem.id, rsub], rsup];
  34. EnrichMathml.addCollapsedAttribute(this.mml, collapsed);
  35. this.mml.setAttribute(enrich_attr_js_1.Attribute.TYPE, ignore.role);
  36. this.completeMultiscript(semantic_skeleton_js_1.SemanticSkeleton.interleaveIds(rsub, rsup), []);
  37. }
  38. else {
  39. baseSem = this.semantic.childNodes[0];
  40. rsup = case_multiindex_js_1.CaseMultiindex.multiscriptIndex(this.semantic.childNodes[1]);
  41. const collapsed = [this.semantic.id, baseSem.id, rsup];
  42. EnrichMathml.addCollapsedAttribute(this.mml, collapsed);
  43. }
  44. const childIds = semantic_skeleton_js_1.SemanticSkeleton.collapsedLeafs(rsub || [], rsup);
  45. const base = EnrichMathml.walkTree(baseSem);
  46. EnrichMathml.getInnerNode(base).setAttribute(enrich_attr_js_1.Attribute.PARENT, this.semantic.id.toString());
  47. childIds.unshift(baseSem.id);
  48. this.mml.setAttribute(enrich_attr_js_1.Attribute.CHILDREN, childIds.join(','));
  49. return this.mml;
  50. }
  51. }
  52. exports.CaseMultiscripts = CaseMultiscripts;