parser_core.mjs 1.5 KB

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  1. /** internal
  2. * class Core
  3. *
  4. * Top-level rules executor. Glues block/inline parsers and does intermediate
  5. * transformations.
  6. **/
  7. import Ruler from './ruler.mjs'
  8. import StateCore from './rules_core/state_core.mjs'
  9. import r_normalize from './rules_core/normalize.mjs'
  10. import r_block from './rules_core/block.mjs'
  11. import r_inline from './rules_core/inline.mjs'
  12. import r_linkify from './rules_core/linkify.mjs'
  13. import r_replacements from './rules_core/replacements.mjs'
  14. import r_smartquotes from './rules_core/smartquotes.mjs'
  15. import r_text_join from './rules_core/text_join.mjs'
  16. const _rules = [
  17. ['normalize', r_normalize],
  18. ['block', r_block],
  19. ['inline', r_inline],
  20. ['linkify', r_linkify],
  21. ['replacements', r_replacements],
  22. ['smartquotes', r_smartquotes],
  23. // `text_join` finds `text_special` tokens (for escape sequences)
  24. // and joins them with the rest of the text
  25. ['text_join', r_text_join]
  26. ]
  27. /**
  28. * new Core()
  29. **/
  30. function Core () {
  31. /**
  32. * Core#ruler -> Ruler
  33. *
  34. * [[Ruler]] instance. Keep configuration of core rules.
  35. **/
  36. this.ruler = new Ruler()
  37. for (let i = 0; i < _rules.length; i++) {
  38. this.ruler.push(_rules[i][0], _rules[i][1])
  39. }
  40. }
  41. /**
  42. * Core.process(state)
  43. *
  44. * Executes core chain rules.
  45. **/
  46. Core.prototype.process = function (state) {
  47. const rules = this.ruler.getRules('')
  48. for (let i = 0, l = rules.length; i < l; i++) {
  49. rules[i](state)
  50. }
  51. }
  52. Core.prototype.State = StateCore
  53. export default Core