87 lines
2.1 KiB
C++
87 lines
2.1 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 <cassert>
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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 Scintilla;
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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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static void getRange(Sci_PositionU start,
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Sci_PositionU end,
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LexAccessor &styler,
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char *s,
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Sci_PositionU len) {
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Sci_PositionU i = 0;
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while ((i < end - start + 1) && (i < len-1)) {
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s[i] = styler[start + i];
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i++;
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}
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s[i] = '\0';
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}
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void StyleContext::GetCurrent(char *s, Sci_PositionU len) {
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getRange(styler.GetStartSegment(), currentPos - 1, styler, s, len);
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}
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static void getRangeLowered(Sci_PositionU start,
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Sci_PositionU end,
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LexAccessor &styler,
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char *s,
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Sci_PositionU len) {
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Sci_PositionU i = 0;
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while ((i < end - start + 1) && (i < len-1)) {
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s[i] = MakeLowerCase(styler[start + i]);
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i++;
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}
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s[i] = '\0';
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}
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void StyleContext::GetCurrentLowered(char *s, Sci_PositionU len) {
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getRangeLowered(styler.GetStartSegment(), currentPos - 1, styler, s, len);
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}
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