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Update scintilla with https://www.scintilla.org/scintilla537.zip Release 5.3.7 Released 22 September 2023. For GTK on macOS, fix popup window behaviour by setting type hints. Bug #2401. For GTK, fix assertion failure on some systems when an INDIC_SQUIGGLEPIXMAP drawn for a zero-width character. For Qt, allow parent window to handle context menu events by setting as ignored. Bug #2395. For Qt, fix potential crash when using IME with large amount of text selected. For Windows, fix building with non-English environment. Bug #2400. and lexilla https://www.scintilla.org/lexilla527.zip Release 5.2.7 Released 22 September 2023. Fix building on Windows with non-English environment. Pull request #200. Bash: fix line continuation for comments and when multiple backslashes at line end. Issue #195. Bash: treat += as operator and, inside arithmetic expressions, treat ++ and -- as operators. Issue #197. Bash: improve backslash handling inside backquoted command substitution and fix $ at end of backtick expression. Issue #194. Bash: treat words that are similar to numbers but invalid wholly as identifiers. Issue #199. Bash: consistently handle '-' options at line start and after '|' as identifiers. Issue #202. Bash: handle '-' options differently in [ single ] and [[ double ]] bracket constructs. Issue #203. F#: improve speed of folding long lines. Issue #198. HTML: fix invalid entity at line end and terminate invalid entity before invalid character. Issue #192. Fix #13991, fix #14062, close #14173
105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
// Scintilla source code edit control
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/** @file StyleContext.cxx
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** Lexer infrastructure.
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**/
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// Copyright 1998-2004 by Neil Hodgson <neilh@scintilla.org>
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// This file is in the public domain.
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#include <cstdlib>
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#include <cstdint>
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#include <cassert>
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#include <string>
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#include <string_view>
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#include "ILexer.h"
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#include "LexAccessor.h"
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#include "Accessor.h"
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#include "StyleContext.h"
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#include "CharacterSet.h"
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using namespace Lexilla;
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StyleContext::StyleContext(Sci_PositionU startPos, Sci_PositionU length,
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int initStyle, LexAccessor &styler_, char chMask) :
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styler(styler_),
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multiByteAccess((styler.Encoding() == EncodingType::eightBit) ? nullptr : styler.MultiByteAccess()),
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lengthDocument(static_cast<Sci_PositionU>(styler.Length())),
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endPos(((startPos + length) < lengthDocument) ? (startPos + length) : (lengthDocument+1)),
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lineDocEnd(styler.GetLine(lengthDocument)),
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currentPosLastRelative(SIZE_MAX),
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currentPos(startPos),
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currentLine(styler.GetLine(startPos)),
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lineEnd(styler.LineEnd(currentLine)),
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lineStartNext(styler.LineStart(currentLine + 1)),
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atLineStart(static_cast<Sci_PositionU>(styler.LineStart(currentLine)) == startPos),
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// Mask off all bits which aren't in the chMask.
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state(initStyle &chMask) {
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styler.StartAt(startPos /*, chMask*/);
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styler.StartSegment(startPos);
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chPrev = GetRelativeCharacter(-1);
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// Variable width is now 0 so GetNextChar gets the char at currentPos into chNext/widthNext
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GetNextChar();
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ch = chNext;
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width = widthNext;
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GetNextChar();
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}
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bool StyleContext::MatchIgnoreCase(const char *s) {
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if (MakeLowerCase(ch) != static_cast<unsigned char>(*s))
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return false;
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s++;
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if (MakeLowerCase(chNext) != static_cast<unsigned char>(*s))
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return false;
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s++;
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for (int n = 2; *s; n++) {
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if (*s !=
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MakeLowerCase(styler.SafeGetCharAt(currentPos + n, 0)))
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return false;
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s++;
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}
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return true;
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}
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bool StyleContext::MatchIgnoreCase2(const char *s) {
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if (MakeLowerCase(ch) != MakeLowerCase(static_cast<unsigned char>(*s)))
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return false;
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s++;
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if (!*s)
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return true;
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if (MakeLowerCase(chNext) != MakeLowerCase(static_cast<unsigned char>(*s)))
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return false;
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s++;
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for (int n = 2; *s; n++) {
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if (MakeLowerCase(static_cast<unsigned char>(*s)) !=
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MakeLowerCase(static_cast<unsigned char>(styler.SafeGetCharAt(currentPos + n))))
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return false;
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s++;
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}
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return true;
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}
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void StyleContext::GetCurrent(char *s, Sci_PositionU len) {
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styler.GetRange(styler.GetStartSegment(), currentPos, s, len);
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}
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void StyleContext::GetCurrentLowered(char *s, Sci_PositionU len) {
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styler.GetRangeLowered(styler.GetStartSegment(), currentPos, s, len);
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}
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void StyleContext::GetCurrentString(std::string &string, Transform transform) {
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const Sci_PositionU startPos = styler.GetStartSegment();
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const Sci_PositionU len = currentPos - styler.GetStartSegment();
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string.resize(len);
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if (transform == Transform::lower) {
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styler.GetRangeLowered(startPos, currentPos, string.data(), len + 1);
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} else {
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styler.GetRange(startPos, currentPos, string.data(), len + 1);
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}
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}
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