scintilla/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 <ctype.h>
  11 #include <stdio.h>
  12
  13 #include "Platform.h"
  14
  15 #include "PropSet.h"
  16 #include "Accessor.h"
  17 #include "StyleContext.h"
  18
  19 #ifdef SCI_NAMESPACE
  20 using namespace Scintilla;
  21 #endif
  22
  23 static void getRange(unsigned int start,
  24                 unsigned int end,
  25                 Accessor &styler,
  26                 char *s,
  27                 unsigned int len) {
  28         unsigned int i = 0;
  29         while ((i < end - start + 1) && (i < len-1)) {
  30                 s[i] = styler[start + i];
  31                 i++;
  32         }
  33         s[i] = '\0';
  34 }
  35
  36 void StyleContext::GetCurrent(char *s, unsigned int len) {
  37         getRange(styler.GetStartSegment(), currentPos - 1, styler, s, len);
  38 }
  39
  40 static void getRangeLowered(unsigned int start,
  41                 unsigned int end,
  42                 Accessor &styler,
  43                 char *s,
  44                 unsigned int len) {
  45         unsigned int i = 0;
  46         while ((i < end - start + 1) && (i < len-1)) {
  47                 s[i] = static_cast<char>(tolower(styler[start + i]));
  48                 i++;
  49         }
  50         s[i] = '\0';
  51 }
  52
  53 void StyleContext::GetCurrentLowered(char *s, unsigned int len) {
  54         getRangeLowered(styler.GetStartSegment(), currentPos - 1, styler, s, len);
  55 }