diff options
Diffstat (limited to 'scintilla/src/StyleContext.h')
| -rw-r--r-- | scintilla/src/StyleContext.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/scintilla/src/StyleContext.h b/scintilla/src/StyleContext.h deleted file mode 100644 index 0bb89d0..0000000 --- a/scintilla/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));
- }
-}
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