notepad-plus-plus/scintilla/lexlib/StyleContext.cxx

57 lines
1.3 KiB
C++

// 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.
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include <assert.h>
#include "ILexer.h"
#include "LexAccessor.h"
#include "Accessor.h"
#include "StyleContext.h"
#ifdef SCI_NAMESPACE
using namespace Scintilla;
#endif
static void getRange(unsigned int start,
unsigned int end,
LexAccessor &styler,
char *s,
unsigned int len) {
unsigned int i = 0;
while ((i < end - start + 1) && (i < len-1)) {
s[i] = styler[start + i];
i++;
}
s[i] = '\0';
}
void StyleContext::GetCurrent(char *s, unsigned int len) {
getRange(styler.GetStartSegment(), currentPos - 1, styler, s, len);
}
static void getRangeLowered(unsigned int start,
unsigned int end,
LexAccessor &styler,
char *s,
unsigned int len) {
unsigned int i = 0;
while ((i < end - start + 1) && (i < len-1)) {
s[i] = static_cast<char>(tolower(styler[start + i]));
i++;
}
s[i] = '\0';
}
void StyleContext::GetCurrentLowered(char *s, unsigned int len) {
getRangeLowered(styler.GetStartSegment(), currentPos - 1, styler, s, len);
}