src/stc/scintilla/src/KeyWords.cxx

   1 // SciTE - Scintilla based Text Editor
   2 // KeyWords.cxx - colourise for particular languages
   3 // Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
   4 // The License.txt file describes the conditions under which this software may be distributed.
   5
   6 #include <stdlib.h>
   7 #include <string.h>
   8 #include <ctype.h>
   9 #include <stdio.h>
  10 #include <stdarg.h>
  11
  12 #include "Platform.h"
  13
  14 #include "PropSet.h"
  15 #include "Accessor.h"
  16 #include "KeyWords.h"
  17 #include "Scintilla.h"
  18 #include "SciLexer.h"
  19
  20 LexerModule *LexerModule::base = 0;
  21
  22 LexerModule::LexerModule(int language_, LexerFunction fn_) :
  23         language(language_), fn(fn_) {
  24         next = base;
  25         base = this;
  26 }
  27
  28 void LexerModule::Colourise(unsigned int startPos, int lengthDoc, int initStyle,
  29                 int language, WordList *keywordlists[], Accessor &styler) {
  30         LexerModule *lm = base;
  31         while (lm) {
  32                 if (lm->language == language) {
  33                         lm->fn(startPos, lengthDoc, initStyle, keywordlists, styler);
  34                         return;
  35                 }
  36                 lm = lm->next;
  37         }
  38         // Unknown language
  39         // Null language means all style bytes are 0 so just mark the end - no need to fill in.
  40         if (lengthDoc > 0) {
  41                 styler.StartAt(startPos + lengthDoc - 1);
  42                 styler.StartSegment(startPos + lengthDoc - 1);
  43                 styler.ColourTo(startPos + lengthDoc - 1, 0);
  44         }
  45 }