implab/implabjs-core Files · src/main/ts/text/FormatScanner.ts

Added tag v1.3.2 for changeset

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r82:025f02eff3b2 v1.3.0 default


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             FormatScanner.ts
        
                    46 lines
            
             | 970 B
            
                | video/mp2t
            
             |
                TypeScriptLexer
            
             / src / main / ts / text / FormatScanner.ts
          
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        cin
    
working on text writer

              r79
            
      import { argumentNotEmptyString } from "../safe";

      import { MapOf } from "../interfaces";

      export const enum TokeType {

        cin
    
StringBuilder, TextWriter, ConsoleWriter tests

              r82
            
          CurlOpen = 1,

          CurlClose = 2,

          Colon = 3,

          Text = 4

        cin
    
working on text writer

              r79
            
      }

      const typeMap = {

          "{": TokeType.CurlOpen,

          "}": TokeType.CurlClose,

          ":": TokeType.Colon

      } as MapOf<TokeType>;

      export class FormatScanner {

          private _text: string;

          private _tokenType: TokeType;

          private _tokenValue: string;

          private _rx = /[^{}:]+|(.)/g;

          constructor(text: string) {

              argumentNotEmptyString(text, text);

              this._text = text;

          }

          next() {

              if (this._rx.lastIndex >= this._text.length)

                  return false;

              const match = this._rx.exec(this._text);

              this._tokenType = typeMap[match[1]] || TokeType.Text;

              this._tokenValue = match[0];

              return true;

          }

          getTokenValue() {

              return this._tokenValue;

          }

          getTokenType() {

              return this._tokenType;

          }

      }

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cin working on text writer	r79	import { argumentNotEmptyString } from "../safe";
		import { MapOf } from "../interfaces";

		export const enum TokeType {
cin StringBuilder, TextWriter, ConsoleWriter tests	r82	CurlOpen = 1,
		CurlClose = 2,
		Colon = 3,
		Text = 4
cin working on text writer	r79	}

		const typeMap = {
		"{": TokeType.CurlOpen,
		"}": TokeType.CurlClose,
		":": TokeType.Colon
		} as MapOf<TokeType>;

		export class FormatScanner {
		private _text: string;
		private _tokenType: TokeType;
		private _tokenValue: string;
		private _rx = /[^{}:]+\|(.)/g;

		constructor(text: string) {
		argumentNotEmptyString(text, text);
		this._text = text;
		}

		next() {
		if (this._rx.lastIndex >= this._text.length)
		return false;

		const match = this._rx.exec(this._text);
		this._tokenType = typeMap[match[1]] \|\| TokeType.Text;
		this._tokenValue = match[0];

		return true;
		}

		getTokenValue() {
		return this._tokenValue;
		}

		getTokenType() {
		return this._tokenType;
		}
		}