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Diffstat (limited to 'src/StyleContext.h')
| -rw-r--r-- | src/StyleContext.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/src/StyleContext.h b/src/StyleContext.h deleted file mode 100644 index 4e175bc29..000000000 --- a/src/StyleContext.h +++ /dev/null @@ -1,177 +0,0 @@ -// Scintilla source code edit control -/** @file StyleContext.cxx - ** Lexer infrastructure. - **/ -// Copyright 1998-2004 by Neil Hodgson <neilh@scintilla.org> -// This file is in the public domain. - -#ifdef SCI_NAMESPACE -namespace Scintilla { -#endif - -// All languages handled so far can treat all characters >= 0x80 as one class -// which just continues the current token or starts an identifier if in default. -// DBCS treated specially as the second character can be < 0x80 and hence -// syntactically significant. UTF-8 avoids this as all trail bytes are >= 0x80 -class StyleContext { - Accessor &styler; - unsigned int endPos; - StyleContext &operator=(const StyleContext &); - void GetNextChar(unsigned int pos) { - chNext = static_cast<unsigned char>(styler.SafeGetCharAt(pos+1)); - if (styler.IsLeadByte(static_cast<char>(chNext))) { - chNext = chNext << 8; - chNext |= static_cast<unsigned char>(styler.SafeGetCharAt(pos+2)); - } - // End of line? - // Trigger on CR only (Mac style) or either on LF from CR+LF (Dos/Win) - // or on LF alone (Unix). Avoid triggering two times on Dos/Win. - atLineEnd = (ch == '\r' && chNext != '\n') || - (ch == '\n') || - (currentPos >= endPos); - } - -public: - unsigned int currentPos; - bool atLineStart; - bool atLineEnd; - int state; - int chPrev; - int ch; - int chNext; - - StyleContext(unsigned int startPos, unsigned int length, - int initStyle, Accessor &styler_, char chMask=31) : - styler(styler_), - endPos(startPos + length), - currentPos(startPos), - atLineStart(true), - atLineEnd(false), - state(initStyle & chMask), // Mask off all bits which aren't in the chMask. - chPrev(0), - ch(0), - chNext(0) { - styler.StartAt(startPos, chMask); - styler.StartSegment(startPos); - unsigned int pos = currentPos; - ch = static_cast<unsigned char>(styler.SafeGetCharAt(pos)); - if (styler.IsLeadByte(static_cast<char>(ch))) { - pos++; - ch = ch << 8; - ch |= static_cast<unsigned char>(styler.SafeGetCharAt(pos)); - } - GetNextChar(pos); - } - void Complete() { - styler.ColourTo(currentPos - 1, state); - } - bool More() const { - return currentPos < endPos; - } - void Forward() { - if (currentPos < endPos) { - atLineStart = atLineEnd; - chPrev = ch; - currentPos++; - if (ch >= 0x100) - currentPos++; - ch = chNext; - GetNextChar(currentPos + ((ch >= 0x100) ? 1 : 0)); - } else { - atLineStart = false; - chPrev = ' '; - ch = ' '; - chNext = ' '; - atLineEnd = true; - } - } - void Forward(int nb) { - for (int i = 0; i < nb; i++) { - Forward(); - } - } - void ChangeState(int state_) { - state = state_; - } - void SetState(int state_) { - styler.ColourTo(currentPos - 1, state); - state = state_; - } - void ForwardSetState(int state_) { - Forward(); - styler.ColourTo(currentPos - 1, state); - state = state_; - } - int LengthCurrent() { - return currentPos - styler.GetStartSegment(); - } - int GetRelative(int n) { - return static_cast<unsigned char>(styler.SafeGetCharAt(currentPos+n)); - } - bool Match(char ch0) const { - return ch == static_cast<unsigned char>(ch0); - } - bool Match(char ch0, char ch1) const { - return (ch == static_cast<unsigned char>(ch0)) && (chNext == static_cast<unsigned char>(ch1)); - } - bool Match(const char *s) { - if (ch != static_cast<unsigned char>(*s)) - return false; - s++; - if (!*s) - return true; - if (chNext != static_cast<unsigned char>(*s)) - return false; - s++; - for (int n=2; *s; n++) { - if (*s != styler.SafeGetCharAt(currentPos+n)) - return false; - s++; - } - return true; - } - bool MatchIgnoreCase(const char *s) { - if (tolower(ch) != static_cast<unsigned char>(*s)) - return false; - s++; - if (tolower(chNext) != static_cast<unsigned char>(*s)) - return false; - s++; - for (int n=2; *s; n++) { - if (static_cast<unsigned char>(*s) != - tolower(static_cast<unsigned char>(styler.SafeGetCharAt(currentPos+n)))) - return false; - s++; - } - return true; - } - // Non-inline - void GetCurrent(char *s, unsigned int len); - void GetCurrentLowered(char *s, unsigned int len); -}; - -#ifdef SCI_NAMESPACE -} -#endif - -inline bool IsASpace(unsigned int ch) { - return (ch == ' ') || ((ch >= 0x09) && (ch <= 0x0d)); -} - -inline bool IsASpaceOrTab(unsigned int ch) { - return (ch == ' ') || (ch == '\t'); -} - -inline bool IsADigit(unsigned int ch) { - return (ch >= '0') && (ch <= '9'); -} - -inline bool IsADigit(unsigned int ch, unsigned int base) { - if (base <= 10) { - return (ch >= '0') && (ch < '0' + base); - } else { - return ((ch >= '0') && (ch <= '9')) || - ((ch >= 'A') && (ch < 'A' + base - 10)) || - ((ch >= 'a') && (ch < 'a' + base - 10)); - } -} |