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[VSoRC/.git] / node_modules / xterm / src / common / parser / OscParser.ts

diff --git a/node_modules/xterm/src/common/parser/OscParser.ts b/node_modules/xterm/src/common/parser/OscParser.ts
deleted file mode 100644 (file)
index e8c5a80..0000000
--- a/node_modules/xterm/src/common/parser/OscParser.ts
+++ /dev/null
@@ -1,203 +0,0 @@
-/**
- * Copyright (c) 2019 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import { IOscHandler, IHandlerCollection, OscFallbackHandlerType, IOscParser } from 'common/parser/Types';
-import { OscState, PAYLOAD_LIMIT } from 'common/parser/Constants';
-import { utf32ToString } from 'common/input/TextDecoder';
-import { IDisposable } from 'common/Types';
-
-
-export class OscParser implements IOscParser {
-  private _state = OscState.START;
-  private _id = -1;
-  private _handlers: IHandlerCollection<IOscHandler> = Object.create(null);
-  private _handlerFb: OscFallbackHandlerType = () => { };
-
-  public addHandler(ident: number, handler: IOscHandler): IDisposable {
-    if (this._handlers[ident] === undefined) {
-      this._handlers[ident] = [];
-    }
-    const handlerList = this._handlers[ident];
-    handlerList.push(handler);
-    return {
-      dispose: () => {
-        const handlerIndex = handlerList.indexOf(handler);
-        if (handlerIndex !== -1) {
-          handlerList.splice(handlerIndex, 1);
-        }
-      }
-    };
-  }
-  public setHandler(ident: number, handler: IOscHandler): void {
-    this._handlers[ident] = [handler];
-  }
-  public clearHandler(ident: number): void {
-    if (this._handlers[ident]) delete this._handlers[ident];
-  }
-  public setHandlerFallback(handler: OscFallbackHandlerType): void {
-    this._handlerFb = handler;
-  }
-
-  public dispose(): void {
-    this._handlers = Object.create(null);
-    this._handlerFb = () => {};
-  }
-
-  public reset(): void {
-    // cleanup handlers if payload was already sent
-    if (this._state === OscState.PAYLOAD) {
-      this.end(false);
-    }
-    this._id = -1;
-    this._state = OscState.START;
-  }
-
-  private _start(): void {
-    const handlers = this._handlers[this._id];
-    if (!handlers) {
-      this._handlerFb(this._id, 'START');
-    } else {
-      for (let j = handlers.length - 1; j >= 0; j--) {
-        handlers[j].start();
-      }
-    }
-  }
-
-  private _put(data: Uint32Array, start: number, end: number): void {
-    const handlers = this._handlers[this._id];
-    if (!handlers) {
-      this._handlerFb(this._id, 'PUT', utf32ToString(data, start, end));
-    } else {
-      for (let j = handlers.length - 1; j >= 0; j--) {
-        handlers[j].put(data, start, end);
-      }
-    }
-  }
-
-  private _end(success: boolean): void {
-    // other than the old code we always have to call .end
-    // to keep the bubbling we use `success` to indicate
-    // whether a handler should execute
-    const handlers = this._handlers[this._id];
-    if (!handlers) {
-      this._handlerFb(this._id, 'END', success);
-    } else {
-      let j = handlers.length - 1;
-      for (; j >= 0; j--) {
-        if (handlers[j].end(success) !== false) {
-          break;
-        }
-      }
-      j--;
-      // cleanup left over handlers
-      for (; j >= 0; j--) {
-        handlers[j].end(false);
-      }
-    }
-  }
-
-  public start(): void {
-    // always reset leftover handlers
-    this.reset();
-    this._id = -1;
-    this._state = OscState.ID;
-  }
-
-  /**
-   * Put data to current OSC command.
-   * Expects the identifier of the OSC command in the form
-   * OSC id ; payload ST/BEL
-   * Payload chunks are not further processed and get
-   * directly passed to the handlers.
-   */
-  public put(data: Uint32Array, start: number, end: number): void {
-    if (this._state === OscState.ABORT) {
-      return;
-    }
-    if (this._state === OscState.ID) {
-      while (start < end) {
-        const code = data[start++];
-        if (code === 0x3b) {
-          this._state = OscState.PAYLOAD;
-          this._start();
-          break;
-        }
-        if (code < 0x30 || 0x39 < code) {
-          this._state = OscState.ABORT;
-          return;
-        }
-        if (this._id === -1) {
-          this._id = 0;
-        }
-        this._id = this._id * 10 + code - 48;
-      }
-    }
-    if (this._state === OscState.PAYLOAD && end - start > 0) {
-      this._put(data, start, end);
-    }
-  }
-
-  /**
-   * Indicates end of an OSC command.
-   * Whether the OSC got aborted or finished normally
-   * is indicated by `success`.
-   */
-  public end(success: boolean): void {
-    if (this._state === OscState.START) {
-      return;
-    }
-    // do nothing if command was faulty
-    if (this._state !== OscState.ABORT) {
-      // if we are still in ID state and get an early end
-      // means that the command has no payload thus we still have
-      // to announce START and send END right after
-      if (this._state === OscState.ID) {
-        this._start();
-      }
-      this._end(success);
-    }
-    this._id = -1;
-    this._state = OscState.START;
-  }
-}
-
-/**
- * Convenient class to allow attaching string based handler functions
- * as OSC handlers.
- */
-export class OscHandler implements IOscHandler {
-  private _data = '';
-  private _hitLimit: boolean = false;
-
-  constructor(private _handler: (data: string) => any) {}
-
-  public start(): void {
-    this._data = '';
-    this._hitLimit = false;
-  }
-
-  public put(data: Uint32Array, start: number, end: number): void {
-    if (this._hitLimit) {
-      return;
-    }
-    this._data += utf32ToString(data, start, end);
-    if (this._data.length > PAYLOAD_LIMIT) {
-      this._data = '';
-      this._hitLimit = true;
-    }
-  }
-
-  public end(success: boolean): any {
-    let ret;
-    if (this._hitLimit) {
-      ret = false;
-    } else if (success) {
-      ret = this._handler(this._data);
-    }
-    this._data = '';
-    this._hitLimit = false;
-    return ret;
-  }
-}