189 lines
5.4 KiB
C++
189 lines
5.4 KiB
C++
// Scintilla source code edit control
|
|
/** @file LexProps.cxx
|
|
** Lexer for properties files.
|
|
**/
|
|
// Copyright 1998-2001 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 <string>
|
|
#include <string_view>
|
|
|
|
#include "ILexer.h"
|
|
#include "Scintilla.h"
|
|
#include "SciLexer.h"
|
|
|
|
#include "WordList.h"
|
|
#include "LexAccessor.h"
|
|
#include "Accessor.h"
|
|
#include "StyleContext.h"
|
|
#include "CharacterSet.h"
|
|
#include "LexerModule.h"
|
|
|
|
using namespace Lexilla;
|
|
|
|
static inline bool AtEOL(Accessor &styler, Sci_PositionU i) {
|
|
return (styler[i] == '\n') ||
|
|
((styler[i] == '\r') && (styler.SafeGetCharAt(i + 1) != '\n'));
|
|
}
|
|
|
|
static inline bool isassignchar(unsigned char ch) {
|
|
return (ch == '=') || (ch == ':');
|
|
}
|
|
|
|
static void ColourisePropsLine(
|
|
const char *lineBuffer,
|
|
Sci_PositionU lengthLine,
|
|
Sci_PositionU startLine,
|
|
Sci_PositionU endPos,
|
|
Accessor &styler,
|
|
bool allowInitialSpaces) {
|
|
|
|
Sci_PositionU i = 0;
|
|
if (allowInitialSpaces) {
|
|
while ((i < lengthLine) && isspacechar(lineBuffer[i])) // Skip initial spaces
|
|
i++;
|
|
} else {
|
|
if (isspacechar(lineBuffer[i])) // don't allow initial spaces
|
|
i = lengthLine;
|
|
}
|
|
|
|
if (i < lengthLine) {
|
|
if (lineBuffer[i] == '#' || lineBuffer[i] == '!' || lineBuffer[i] == ';') {
|
|
styler.ColourTo(endPos, SCE_PROPS_COMMENT);
|
|
} else if (lineBuffer[i] == '[') {
|
|
styler.ColourTo(endPos, SCE_PROPS_SECTION);
|
|
} else if (lineBuffer[i] == '@') {
|
|
styler.ColourTo(startLine + i, SCE_PROPS_DEFVAL);
|
|
if (isassignchar(lineBuffer[i++]))
|
|
styler.ColourTo(startLine + i, SCE_PROPS_ASSIGNMENT);
|
|
styler.ColourTo(endPos, SCE_PROPS_DEFAULT);
|
|
} else {
|
|
// Search for the '=' character
|
|
while ((i < lengthLine) && !isassignchar(lineBuffer[i]))
|
|
i++;
|
|
if ((i < lengthLine) && isassignchar(lineBuffer[i])) {
|
|
styler.ColourTo(startLine + i - 1, SCE_PROPS_KEY);
|
|
styler.ColourTo(startLine + i, SCE_PROPS_ASSIGNMENT);
|
|
styler.ColourTo(endPos, SCE_PROPS_DEFAULT);
|
|
} else {
|
|
styler.ColourTo(endPos, SCE_PROPS_DEFAULT);
|
|
}
|
|
}
|
|
} else {
|
|
styler.ColourTo(endPos, SCE_PROPS_DEFAULT);
|
|
}
|
|
}
|
|
|
|
static void ColourisePropsDoc(Sci_PositionU startPos, Sci_Position length, int, WordList *[], Accessor &styler) {
|
|
std::string lineBuffer;
|
|
styler.StartAt(startPos);
|
|
styler.StartSegment(startPos);
|
|
Sci_PositionU startLine = startPos;
|
|
|
|
// property lexer.props.allow.initial.spaces
|
|
// For properties files, set to 0 to style all lines that start with whitespace in the default style.
|
|
// This is not suitable for SciTE .properties files which use indentation for flow control but
|
|
// can be used for RFC2822 text where indentation is used for continuation lines.
|
|
const bool allowInitialSpaces = styler.GetPropertyInt("lexer.props.allow.initial.spaces", 1) != 0;
|
|
|
|
for (Sci_PositionU i = startPos; i < startPos + length; i++) {
|
|
lineBuffer.push_back(styler[i]);
|
|
if (AtEOL(styler, i)) {
|
|
// End of line (or of line buffer) met, colourise it
|
|
ColourisePropsLine(lineBuffer.c_str(), lineBuffer.length(), startLine, i, styler, allowInitialSpaces);
|
|
lineBuffer.clear();
|
|
startLine = i + 1;
|
|
}
|
|
}
|
|
if (lineBuffer.length() > 0) { // Last line does not have ending characters
|
|
ColourisePropsLine(lineBuffer.c_str(), lineBuffer.length(), startLine, startPos + length - 1, styler, allowInitialSpaces);
|
|
}
|
|
}
|
|
|
|
// adaption by ksc, using the "} else {" trick of 1.53
|
|
// 030721
|
|
static void FoldPropsDoc(Sci_PositionU startPos, Sci_Position length, int, WordList *[], Accessor &styler) {
|
|
const bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
|
|
|
|
const Sci_PositionU endPos = startPos + length;
|
|
int visibleChars = 0;
|
|
Sci_Position lineCurrent = styler.GetLine(startPos);
|
|
|
|
char chNext = styler[startPos];
|
|
int styleNext = styler.StyleAt(startPos);
|
|
bool headerPoint = false;
|
|
int lev;
|
|
|
|
for (Sci_PositionU i = startPos; i < endPos; i++) {
|
|
const char ch = chNext;
|
|
chNext = styler[i+1];
|
|
|
|
const int style = styleNext;
|
|
styleNext = styler.StyleAt(i + 1);
|
|
const bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
|
|
|
|
if (style == SCE_PROPS_SECTION) {
|
|
headerPoint = true;
|
|
}
|
|
|
|
if (atEOL) {
|
|
lev = SC_FOLDLEVELBASE;
|
|
|
|
if (lineCurrent > 0) {
|
|
const int levelPrevious = styler.LevelAt(lineCurrent - 1);
|
|
|
|
if (levelPrevious & SC_FOLDLEVELHEADERFLAG) {
|
|
lev = SC_FOLDLEVELBASE + 1;
|
|
} else {
|
|
lev = levelPrevious & SC_FOLDLEVELNUMBERMASK;
|
|
}
|
|
}
|
|
|
|
if (headerPoint) {
|
|
lev = SC_FOLDLEVELBASE;
|
|
}
|
|
if (visibleChars == 0 && foldCompact)
|
|
lev |= SC_FOLDLEVELWHITEFLAG;
|
|
|
|
if (headerPoint) {
|
|
lev |= SC_FOLDLEVELHEADERFLAG;
|
|
}
|
|
if (lev != styler.LevelAt(lineCurrent)) {
|
|
styler.SetLevel(lineCurrent, lev);
|
|
}
|
|
|
|
lineCurrent++;
|
|
visibleChars = 0;
|
|
headerPoint = false;
|
|
}
|
|
if (!isspacechar(ch))
|
|
visibleChars++;
|
|
}
|
|
|
|
if (lineCurrent > 0) {
|
|
const int levelPrevious = styler.LevelAt(lineCurrent - 1);
|
|
if (levelPrevious & SC_FOLDLEVELHEADERFLAG) {
|
|
lev = SC_FOLDLEVELBASE + 1;
|
|
} else {
|
|
lev = levelPrevious & SC_FOLDLEVELNUMBERMASK;
|
|
}
|
|
} else {
|
|
lev = SC_FOLDLEVELBASE;
|
|
}
|
|
int flagsNext = styler.LevelAt(lineCurrent);
|
|
styler.SetLevel(lineCurrent, lev | (flagsNext & ~SC_FOLDLEVELNUMBERMASK));
|
|
}
|
|
|
|
static const char *const emptyWordListDesc[] = {
|
|
0
|
|
};
|
|
|
|
LexerModule lmProps(SCLEX_PROPERTIES, ColourisePropsDoc, "props", FoldPropsDoc, emptyWordListDesc);
|