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[wxWidgets.git] / contrib / src / stc / scintilla / include / KeyWords.h

diff --git a/contrib/src/stc/scintilla/include/KeyWords.h b/contrib/src/stc/scintilla/include/KeyWords.h
index 2cc03b788f5606ab81a98cc3c2722211993d06a0..059ac0da0fd881dbe31aebe03c584cb368837f39 100644 (file)
--- a/contrib/src/stc/scintilla/include/KeyWords.h
+++ b/contrib/src/stc/scintilla/include/KeyWords.h
@@ -1,8 +1,82 @@
-// SciTE - Scintilla based Text Editor
-// KeyWords.h - colourise for particular languages
-// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
+// Scintilla source code edit control
+/** @file KeyWords.h
+ ** Colourise for particular languages.
+ **/
+// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
 // The License.txt file describes the conditions under which this software may be distributed.
 
-void ColouriseDoc(int codePage, int startPos, int lengthDoc, int initStyle, 
-       int language, WordList *keywordlists[], StylingContext &styler);
+typedef void (*LexerFunction)(unsigned int startPos, int lengthDoc, int initStyle,
+                  WordList *keywordlists[], Accessor &styler);
+                  
+/**
+ * A LexerModule is responsible for lexing and folding a particular language.
+ * The class maintains a list of LexerModules which can be searched to find a
+ * module appropriate to a particular language.
+ */
+class LexerModule {
+protected:
+       const LexerModule *next;
+       int language;
+       LexerFunction fnLexer;
+       LexerFunction fnFolder;
+       const char * const * wordListDescriptions;
+       int styleBits;
 
+       static const LexerModule *base;
+       static int nextLanguage;
+
+public:
+       const char *languageName;
+       LexerModule(int language_, 
+               LexerFunction fnLexer_, 
+               const char *languageName_=0, 
+               LexerFunction fnFolder_=0,
+               const char * const wordListDescriptions_[] = NULL,
+               int styleBits_=5);
+       virtual ~LexerModule() {
+       }
+       int GetLanguage() const { return language; }
+
+       // -1 is returned if no WordList information is available
+       int GetNumWordLists() const;
+       const char *GetWordListDescription(int index) const;
+
+       int GetStyleBitsNeeded() const;
+
+       virtual void Lex(unsigned int startPos, int lengthDoc, int initStyle,
+                  WordList *keywordlists[], Accessor &styler) const;
+       virtual void Fold(unsigned int startPos, int lengthDoc, int initStyle,
+                  WordList *keywordlists[], Accessor &styler) const;
+       static const LexerModule *Find(int language);
+       static const LexerModule *Find(const char *languageName);
+};
+
+/**
+ * Check if a character is a space.
+ * This is ASCII specific but is safe with chars >= 0x80.
+ */
+inline bool isspacechar(unsigned char ch) {
+    return (ch == ' ') || ((ch >= 0x09) && (ch <= 0x0d));
+}
+
+inline bool iswordchar(char ch) {
+       return isascii(ch) && (isalnum(ch) || ch == '.' || ch == '_');
+}
+
+inline bool iswordstart(char ch) {
+       return isascii(ch) && (isalnum(ch) || ch == '_');
+}
+
+inline bool isoperator(char ch) {
+       if (isascii(ch) && isalnum(ch))
+               return false;
+       // '.' left out as it is used to make up numbers
+       if (ch == '%' || ch == '^' || ch == '&' || ch == '*' ||
+               ch == '(' || ch == ')' || ch == '-' || ch == '+' ||
+               ch == '=' || ch == '|' || ch == '{' || ch == '}' ||
+               ch == '[' || ch == ']' || ch == ':' || ch == ';' ||
+               ch == '<' || ch == '>' || ch == ',' || ch == '/' ||
+               ch == '?' || ch == '!' || ch == '.' || ch == '~')
+               return true;
+       return false;
+}