highlightdata.c

nedit 是一款linux下的开发源码的功能强大的编辑器

static const char CVSID[] = "$Id: highlightData.c,v 1.52.2.3 2003/08/24 19:02:15 yooden Exp $";
/*******************************************************************************
*									       *
* highlightData.c -- Maintain, and allow user to edit, highlight pattern list  *
*		     used for syntax highlighting			       *
*									       *
* Copyright (C) 1999 Mark Edel						       *
*									       *
* This 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 software 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 *
* software; if not, write to the Free Software Foundation, Inc., 59 Temple     *
* Place, Suite 330, Boston, MA  02111-1307 USA		                       *
*									       *
* Nirvana Text Editor	    						       *
* April, 1997								       *
*									       *
* Written by Mark Edel							       *
*									       *
*******************************************************************************/

#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif

#include "highlightData.h"
#include "textBuf.h"
#include "nedit.h"
#include "highlight.h"
#include "regularExp.h"
#include "preferences.h"
#include "help.h"
#include "window.h"
#include "regexConvert.h"
#include "../util/misc.h"
#include "../util/DialogF.h"
#include "../util/managedList.h"

#include <stdio.h>
#include <string.h>
#include <limits.h>
#ifdef VMS
#include "../util/VMSparam.h"
#else
#ifndef __MVS__
#include <sys/param.h>
#endif
#endif /*VMS*/

#include <Xm/Xm.h>
#include <Xm/Form.h>
#include <Xm/Frame.h>
#include <Xm/Text.h>
#include <Xm/LabelG.h>
#include <Xm/PushB.h>
#include <Xm/ToggleB.h>
#include <Xm/RowColumn.h>
#include <Xm/SeparatoG.h>

#ifdef HAVE_DEBUG_H
#include "../debug.h"
#endif

/* Maximum allowed number of styles (also limited by representation of
   styles as a byte - 'b') */
#define MAX_HIGHLIGHT_STYLES 128

/* Maximum number of patterns allowed in a pattern set (regular expression
   limitations are probably much more restrictive).  */
#define MAX_PATTERNS 127

/* Names for the fonts that can be used for syntax highlighting */
#define N_FONT_TYPES 4
enum fontTypes {PLAIN_FONT, ITALIC_FONT, BOLD_FONT, BOLD_ITALIC_FONT};
static const char *FontTypeNames[N_FONT_TYPES] =
   {"Plain", "Italic", "Bold", "Bold Italic"};

typedef struct {
    char *name;
    char *color;
    char *bgColor;
    int font;
} highlightStyleRec;

static int styleError(const char *stringStart, const char *stoppedAt,
       const char *message);
#if 0
static int lookupNamedPattern(patternSet *p, char *patternName);
#endif
static int lookupNamedStyle(const char *styleName);
static highlightPattern *readHighlightPatterns(char **inPtr, int withBraces,
       char **errMsg, int *nPatterns);
static int readHighlightPattern(char **inPtr, char **errMsg,
    	highlightPattern *pattern);
static patternSet *readDefaultPatternSet(const char *langModeName);
static int isDefaultPatternSet(patternSet *patSet);
static patternSet *readPatternSet(char **inPtr, int convertOld);
static patternSet *highlightError(char *stringStart, char *stoppedAt,
    	const char *message);
static char *intToStr(int i);
static char *createPatternsString(patternSet *patSet, char *indentStr);
static void setStyleByName(const char *style);
static void hsDestroyCB(Widget w, XtPointer clientData, XtPointer callData);
static void hsOkCB(Widget w, XtPointer clientData, XtPointer callData);
static void hsApplyCB(Widget w, XtPointer clientData, XtPointer callData);
static void hsDismissCB(Widget w, XtPointer clientData, XtPointer callData);
static highlightStyleRec *copyHighlightStyleRec(highlightStyleRec *hs);
static void *hsGetDisplayedCB(void *oldItem, int explicitRequest, int *abort,
    	void *cbArg);
static void hsSetDisplayedCB(void *item, void *cbArg);
static highlightStyleRec *readHSDialogFields(int silent);
static void hsFreeItemCB(void *item);
static void freeHighlightStyleRec(highlightStyleRec *hs);
static int hsDialogEmpty(void);
static int updateHSList(void);
static void updateHighlightStyleMenu(void);
static void convertOldPatternSet(patternSet *patSet);
static void convertPatternExpr(char **patternRE, char *patSetName,
	char *patName, int isSubsExpr);
static Widget createHighlightStylesMenu(Widget parent);
static void destroyCB(Widget w, XtPointer clientData, XtPointer callData);
static void langModeCB(Widget w, XtPointer clientData, XtPointer callData);
static void lmDialogCB(Widget w, XtPointer clientData, XtPointer callData);
static void styleDialogCB(Widget w, XtPointer clientData, XtPointer callData);
static void patTypeCB(Widget w, XtPointer clientData, XtPointer callData);
static void matchTypeCB(Widget w, XtPointer clientData, XtPointer callData);
static int checkHighlightDialogData(void);
static void updateLabels(void);
static void okCB(Widget w, XtPointer clientData, XtPointer callData);
static void applyCB(Widget w, XtPointer clientData, XtPointer callData);
static void checkCB(Widget w, XtPointer clientData, XtPointer callData);
static void restoreCB(Widget w, XtPointer clientData, XtPointer callData);