init: restore source from @anthropic-ai/claude-code@2.1.88 sourcemap

2026-03-31 16:30:12 +08:00
commit a8a678cb62
@@ -0,0 +1,5 @@
+'use strict';
+
+//NOTE: this file contains auto-generated array mapped radix tree that is used for the named entity references consumption
+//(details: https://github.com/inikulin/parse5/tree/master/scripts/generate-named-entity-data/README.md)
+module.exports = new 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truncated
@@ -0,0 +1,159 @@
+'use strict';
+
+const unicode = require('../common/unicode');
+const ERR = require('../common/error-codes');
+
+//Aliases
+const $ = unicode.CODE_POINTS;
+
+//Const
+const DEFAULT_BUFFER_WATERLINE = 1 << 16;
+
+//Preprocessor
+//NOTE: HTML input preprocessing
+//(see: http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#preprocessing-the-input-stream)
+class Preprocessor {
+    constructor() {
+        this.html = null;
+
+        this.pos = -1;
+        this.lastGapPos = -1;
+        this.lastCharPos = -1;
+
+        this.gapStack = [];
+
+        this.skipNextNewLine = false;
+
+        this.lastChunkWritten = false;
+        this.endOfChunkHit = false;
+        this.bufferWaterline = DEFAULT_BUFFER_WATERLINE;
+    }
+
+    _err() {
+        // NOTE: err reporting is noop by default. Enabled by mixin.
+    }
+
+    _addGap() {
+        this.gapStack.push(this.lastGapPos);
+        this.lastGapPos = this.pos;
+    }
+
+    _processSurrogate(cp) {
+        //NOTE: try to peek a surrogate pair
+        if (this.pos !== this.lastCharPos) {
+            const nextCp = this.html.charCodeAt(this.pos + 1);
+
+            if (unicode.isSurrogatePair(nextCp)) {
+                //NOTE: we have a surrogate pair. Peek pair character and recalculate code point.
+                this.pos++;
+
+                //NOTE: add gap that should be avoided during retreat
+                this._addGap();
+
+                return unicode.getSurrogatePairCodePoint(cp, nextCp);
+            }
+        }
+
+        //NOTE: we are at the end of a chunk, therefore we can't infer surrogate pair yet.
+        else if (!this.lastChunkWritten) {
+            this.endOfChunkHit = true;
+            return $.EOF;
+        }
+
+        //NOTE: isolated surrogate
+        this._err(ERR.surrogateInInputStream);
+
+        return cp;
+    }
+
+    dropParsedChunk() {
+        if (this.pos > this.bufferWaterline) {
+            this.lastCharPos -= this.pos;
+            this.html = this.html.substring(this.pos);
+            this.pos = 0;
+            this.lastGapPos = -1;
+            this.gapStack = [];
+        }
+    }
+
+    write(chunk, isLastChunk) {
+        if (this.html) {
+            this.html += chunk;
+        } else {
+            this.html = chunk;
+        }
+
+        this.lastCharPos = this.html.length - 1;
+        this.endOfChunkHit = false;
+        this.lastChunkWritten = isLastChunk;
+    }
+
+    insertHtmlAtCurrentPos(chunk) {
+        this.html = this.html.substring(0, this.pos + 1) + chunk + this.html.substring(this.pos + 1, this.html.length);
+
+        this.lastCharPos = this.html.length - 1;
+        this.endOfChunkHit = false;
+    }
+
+    advance() {
+        this.pos++;
+
+        if (this.pos > this.lastCharPos) {
+            this.endOfChunkHit = !this.lastChunkWritten;
+            return $.EOF;
+        }
+
+        let cp = this.html.charCodeAt(this.pos);
+
+        //NOTE: any U+000A LINE FEED (LF) characters that immediately follow a U+000D CARRIAGE RETURN (CR) character
+        //must be ignored.
+        if (this.skipNextNewLine && cp === $.LINE_FEED) {
+            this.skipNextNewLine = false;
+            this._addGap();
+            return this.advance();
+        }
+
+        //NOTE: all U+000D CARRIAGE RETURN (CR) characters must be converted to U+000A LINE FEED (LF) characters
+        if (cp === $.CARRIAGE_RETURN) {
+            this.skipNextNewLine = true;
+            return $.LINE_FEED;
+        }
+
+        this.skipNextNewLine = false;
+
+        if (unicode.isSurrogate(cp)) {
+            cp = this._processSurrogate(cp);
+        }
+
+        //OPTIMIZATION: first check if code point is in the common allowed
+        //range (ASCII alphanumeric, whitespaces, big chunk of BMP)
+        //before going into detailed performance cost validation.
+        const isCommonValidRange =
+            (cp > 0x1f && cp < 0x7f) || cp === $.LINE_FEED || cp === $.CARRIAGE_RETURN || (cp > 0x9f && cp < 0xfdd0);
+
+        if (!isCommonValidRange) {
+            this._checkForProblematicCharacters(cp);
+        }
+
+        return cp;
+    }
+
+    _checkForProblematicCharacters(cp) {
+        if (unicode.isControlCodePoint(cp)) {
+            this._err(ERR.controlCharacterInInputStream);
+        } else if (unicode.isUndefinedCodePoint(cp)) {
+            this._err(ERR.noncharacterInInputStream);
+        }
+    }
+
+    retreat() {
+        if (this.pos === this.lastGapPos) {
+            this.lastGapPos = this.gapStack.pop();
+            this.pos--;
+        }
+
+        this.pos--;
+    }
+}
+
+module.exports = Preprocessor;