ext/scintilla/lexlib/StyleContext.cxx

   1 // Scintilla source code edit control
   2 /** @file StyleContext.cxx
   3  ** Lexer infrastructure.
   4  **/
   5 // Copyright 1998-2004 by Neil Hodgson <neilh@scintilla.org>
   6 // This file is in the public domain.
   7
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <stdio.h>
  11 #include <assert.h>
  12 #include <ctype.h>
  13
  14 #include "ILexer.h"
  15
  16 #include "LexAccessor.h"
  17 #include "Accessor.h"
  18 #include "StyleContext.h"
  19
  20 #ifdef SCI_NAMESPACE
  21 using namespace Scintilla;
  22 #endif
  23
  24 static void getRange(unsigned int start,
  25                 unsigned int end,
  26                 LexAccessor &styler,
  27                 char *s,
  28                 unsigned int len) {
  29         unsigned int i = 0;
  30         while ((i < end - start + 1) && (i < len-1)) {
  31                 s[i] = styler[start + i];
  32                 i++;
  33         }
  34         s[i] = '\0';
  35 }
  36
  37 void StyleContext::GetCurrent(char *s, unsigned int len) {
  38         getRange(styler.GetStartSegment(), currentPos - 1, styler, s, len);
  39 }
  40
  41 static void getRangeLowered(unsigned int start,
  42                 unsigned int end,
  43                 LexAccessor &styler,
  44                 char *s,
  45                 unsigned int len) {
  46         unsigned int i = 0;
  47         while ((i < end - start + 1) && (i < len-1)) {
  48                 s[i] = static_cast<char>(tolower(styler[start + i]));
  49                 i++;
  50         }
  51         s[i] = '\0';
  52 }
  53
  54 void StyleContext::GetCurrentLowered(char *s, unsigned int len) {
  55         getRangeLowered(styler.GetStartSegment(), currentPos - 1, styler, s, len);
  56 }