geany/scintilla/lexlib/Accessor.cxx
Enrico Tröger 2c7d37dde4 Update Scintilla to version 2.22.
Keep Scintilla's directory structure mostly and only remove unused lexers.

For now, this will break the build. The build systems have to be updated as well as scintilla_changes.patch.


git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/branches/unstable@5437 ea778897-0a13-0410-b9d1-a72fbfd435f5
2010-11-24 21:23:05 +00:00

80 lines
2.1 KiB
C++

// Scintilla source code edit control
/** @file KeyWords.cxx
** Colourise for particular languages.
**/
// Copyright 1998-2002 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include <assert.h>
#include <ctype.h>
#include "ILexer.h"
#include "Scintilla.h"
#include "SciLexer.h"
#include "PropSetSimple.h"
#include "WordList.h"
#include "LexAccessor.h"
#include "Accessor.h"
#ifdef SCI_NAMESPACE
using namespace Scintilla;
#endif
Accessor::Accessor(IDocument *pAccess_, PropSetSimple *pprops_) : LexAccessor(pAccess_), pprops(pprops_) {
}
int Accessor::GetPropertyInt(const char *key, int defaultValue) {
return pprops->GetInt(key, defaultValue);
}
int Accessor::IndentAmount(int line, int *flags, PFNIsCommentLeader pfnIsCommentLeader) {
int end = Length();
int spaceFlags = 0;
// Determines the indentation level of the current line and also checks for consistent
// indentation compared to the previous line.
// Indentation is judged consistent when the indentation whitespace of each line lines
// the same or the indentation of one line is a prefix of the other.
int pos = LineStart(line);
char ch = (*this)[pos];
int indent = 0;
bool inPrevPrefix = line > 0;
int posPrev = inPrevPrefix ? LineStart(line-1) : 0;
while ((ch == ' ' || ch == '\t') && (pos < end)) {
if (inPrevPrefix) {
char chPrev = (*this)[posPrev++];
if (chPrev == ' ' || chPrev == '\t') {
if (chPrev != ch)
spaceFlags |= wsInconsistent;
} else {
inPrevPrefix = false;
}
}
if (ch == ' ') {
spaceFlags |= wsSpace;
indent++;
} else { // Tab
spaceFlags |= wsTab;
if (spaceFlags & wsSpace)
spaceFlags |= wsSpaceTab;
indent = (indent / 8 + 1) * 8;
}
ch = (*this)[++pos];
}
*flags = spaceFlags;
indent += SC_FOLDLEVELBASE;
// if completely empty line or the start of a comment...
if ((ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r') ||
(pfnIsCommentLeader && (*pfnIsCommentLeader)(*this, pos, end-pos)))
return indent | SC_FOLDLEVELWHITEFLAG;
else
return indent;
}