notepad-plus-plus/scintilla/lexers/LexSearchResult.cxx

179 lines
5.7 KiB
C++

// This file is modified from LexOthers.cxx of Scintilla source code edit control
// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
//this file is part of notepad++
//Copyright (C)2003 Don HO <donho@altern.org >
//
//This program is free software; you can redistribute it and/or
//modify it under the terms of the GNU General Public License
//as published by the Free Software Foundation; either
//version 2 of the License, or (at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include <stdarg.h>
#include <vector>
#include <assert.h>
#include "ILexer.h"
#include "LexAccessor.h"
#include "PropSetSimple.h"
#include "Accessor.h"
#include "WordList.h"
#include "Scintilla.h"
#include "SciLexer.h"
#include "CharacterSet.h"
#include "LexerModule.h"
using namespace Scintilla;
// The following definitions are a copy of the ones in FindReplaceDlg.h
enum { searchHeaderLevel = SC_FOLDLEVELBASE, fileHeaderLevel, resultLevel };
static inline bool AtEOL(Accessor &styler, size_t i) {
return (styler[i] == '\n') ||
((styler[i] == '\r') && (styler.SafeGetCharAt(i + 1) != '\n'));
}
static const char * const emptyWordListDesc[] = {
0
};
static void ColouriseSearchResultLine(SearchResultMarkings* pMarkings, char *lineBuffer, size_t startLine, size_t endPos, Accessor &styler, int linenum)
{
// startLine and endPos are the absolute positions.
if (lineBuffer[0] == ' ') // white space - file header
{
styler.ColourTo(endPos, SCE_SEARCHRESULT_FILE_HEADER);
}
else if (lineBuffer[0] == ' ')// \t - line info
{
unsigned int firstTokenLen = 0;
unsigned int currentPos = 0;
for (; !(lineBuffer[firstTokenLen] >= '0' && lineBuffer[firstTokenLen] <= '9'); firstTokenLen++);
styler.ColourTo(startLine + firstTokenLen - 1, SCE_SEARCHRESULT_DEFAULT);
for (currentPos = firstTokenLen; lineBuffer[currentPos] != ':'; currentPos++);
styler.ColourTo(startLine + currentPos - 1, SCE_SEARCHRESULT_LINE_NUMBER);
int currentStat = SCE_SEARCHRESULT_DEFAULT;
SearchResultMarking mi = pMarkings->_markings[linenum];
size_t match_start = startLine + mi._start - 1;
size_t match_end = startLine + mi._end - 1;
if (match_start <= endPos) {
styler.ColourTo(match_start, SCE_SEARCHRESULT_DEFAULT);
if (match_end <= endPos)
styler.ColourTo(match_end, SCE_SEARCHRESULT_WORD2SEARCH);
else
currentStat = SCE_SEARCHRESULT_WORD2SEARCH;
}
styler.ColourTo(endPos, currentStat);
}
else // every character - search header
{
styler.ColourTo(endPos, SCE_SEARCHRESULT_SEARCH_HEADER);
}
}
static void ColouriseSearchResultDoc(Sci_PositionU startPos, Sci_Position length, int, WordList *[], Accessor &styler) {
char lineBuffer[SC_SEARCHRESULT_LINEBUFFERMAXLENGTH];
styler.StartAt(startPos);
styler.StartSegment(startPos);
unsigned int linePos = 0;
size_t startLine = startPos;
const char *addrMarkingsStruct = (styler.pprops)->Get("@MarkingsStruct");
if (!addrMarkingsStruct || !addrMarkingsStruct[0])
return;
SearchResultMarkings* pMarkings = NULL;
sscanf(addrMarkingsStruct, "%p", (void**)&pMarkings);
for (size_t i = startPos; i < startPos + length; i++) {
lineBuffer[linePos++] = styler[i];
if (AtEOL(styler, i) || (linePos >= sizeof(lineBuffer) - 1)) {
// End of line (or of line buffer) met, colourise it
lineBuffer[linePos] = '\0';
ColouriseSearchResultLine(pMarkings, lineBuffer, startLine, i, styler, styler.GetLine(startLine));
linePos = 0;
startLine = i + 1;
while (!AtEOL(styler, i)) i++;
}
}
if (linePos > 0) { // Last line does not have ending characters
ColouriseSearchResultLine(pMarkings, lineBuffer, startLine, startPos + length - 1, styler, styler.GetLine(startLine));
}
}
static void FoldSearchResultDoc(Sci_PositionU startPos, Sci_Position length, int, WordList *[], Accessor &styler) {
bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
size_t endPos = startPos + length;
int visibleChars = 0;
int lineCurrent = styler.GetLine(startPos);
char chNext = styler[startPos];
int styleNext = styler.StyleAt(startPos);
int headerPoint = 0;
int lev;
for (size_t i = startPos; i < endPos; i++) {
char ch = chNext;
chNext = styler[i+1];
int style = styleNext;
styleNext = styler.StyleAt(i + 1);
bool atEOL = (ch == '\n') || (ch == '\r' && chNext != '\n');
if (style == SCE_SEARCHRESULT_FILE_HEADER)
{
headerPoint = fileHeaderLevel;
}
else if (style == SCE_SEARCHRESULT_SEARCH_HEADER)
{
headerPoint = searchHeaderLevel;
}
if (atEOL) {
lev = headerPoint ? SC_FOLDLEVELHEADERFLAG + headerPoint : resultLevel;
headerPoint = 0;
if (visibleChars == 0 && foldCompact)
lev |= SC_FOLDLEVELWHITEFLAG;
if (lev != styler.LevelAt(lineCurrent)) {
styler.SetLevel(lineCurrent, lev);
}
lineCurrent++;
visibleChars = 0;
}
if (!isspacechar(ch))
visibleChars++;
}
styler.SetLevel(lineCurrent, SC_FOLDLEVELBASE);
}
LexerModule lmSearchResult(SCLEX_SEARCHRESULT, ColouriseSearchResultDoc, "searchResult", FoldSearchResultDoc, emptyWordListDesc);