/* *	HT Editor *	htformat.h * *	Copyright (C) 1999-2002 Stefan Weyergraf * *	This program is free software; you can redistribute it and/or modify *	it under the terms of the GNU General Public License version 2 as *	published by the Free Software Foundation. * *	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. */#ifndef __HTFORMAT_H__#define __HTFORMAT_H__class ht_format_group;#include "evalx.h"#include "data.h"#include "htobj.h"#include "strtools.h"#include "formats.h"class ht_sub;struct LINE_ID {	ID id1;	ID id2;	ID id3;	ID id4;	ID id5;};struct uformat_viewer_pos {	/* which line ? */	ht_sub *sub;	LINE_ID line_id;	/* which tag ? */	int tag_group;	int tag_idx;};union viewer_pos {	uformat_viewer_pos u;};// search classes#define SC_PHYSICAL			0    // search in underlying binary data#define SC_VISUAL			1    // search in displayed text/* *	CLASS ht_search_request */ class ht_search_request: public Object {public:	uint search_class;	uint type;	uint flags;			ht_search_request(uint search_class, uint type, uint flags);	virtual ht_search_request *clone() const = 0;};/* *	CLASS ht_search_result */ class ht_search_result: public Object {public:	uint search_class;	ht_search_result(uint asearch_class): search_class(asearch_class) {}};/* *	CLASS ht_physical_search_result */ class ht_physical_search_result: public ht_search_result {public:	FileOfs offset;	uint size;		ht_physical_search_result(): ht_search_result(SC_PHYSICAL) {}};/* *	CLASS ht_visual_search_result */ class ht_visual_search_result: public ht_search_result {public:	viewer_pos pos;	uint xpos;	uint length;		ht_visual_search_result(): ht_search_result(SC_VISUAL) {}};/* *	formats */class ht_format_loc: public Object {public:	const char *name;	FileOfs start;	FileOfs length;};/* *	CLASS ht_viewer *//* caps */#define VC_NULL		0x0000#define VC_EDIT		0x0001#define VC_GOTO		0x0002#define VC_SEARCH		0x0004#define VC_REPLACE		0x0008#define VC_RESIZE		0x0010class ht_viewer: public ht_view {protected:	uint caps;/* new */	virtual	const char *func(uint i, bool execute);public:		void init(Bounds *b, const char *desc, uint caps);/* overwritten */	virtual	void handlemsg(htmsg *msg);};/* *	CLASS ht_format_viewer */class ht_format_viewer: public ht_viewer {protected:	File *file;// last search (request)	ht_search_request *last_search_request;	bool last_search_physical;	union {		FileOfs last_search_end_ofs;		viewer_pos last_search_end_pos;	};/* new */	virtual	bool compeq_viewer_pos(viewer_pos *a, viewer_pos *b);	virtual	void vstate_restore(Object *view_state);	virtual	Object *vstate_create();		virtual	bool next_logical_pos(viewer_pos pos, viewer_pos *npos);	virtual	bool next_logical_offset(FileOfs ofs, FileOfs *nofs);public:	ht_format_group *format_group;		void init(Bounds *b, const char *desc, uint caps, File *file, ht_format_group *format_group);	virtual	void done();/* overwritten */	virtual	void handlemsg(htmsg *msg);/* new */	virtual	bool pos_to_offset(viewer_pos pos, FileOfs *ofs);	virtual	bool offset_to_pos(FileOfs ofs, viewer_pos *pos);	/* position indicator string */	virtual	int get_pindicator_str(char *buf, int max_len);	/* scrollbar pos */	virtual	bool get_hscrollbar_pos(int *pstart, int *psize);	virtual	bool get_vscrollbar_pos(int *pstart, int *psize);	/* physical file location(s) */	virtual	void loc_enum_start();	virtual	bool loc_enum_next(ht_format_loc *loc);	/* physical address (offset) functions */	virtual	bool get_current_offset(FileOfs *ofs);	virtual	bool goto_offset(FileOfs ofs, bool save_vstate);	virtual	uint pread(FileOfs ofs, void *buf, uint size);	virtual	ht_search_result *psearch(ht_search_request *search, FileOfs start, FileOfs end);	virtual	void pselect_add(FileOfs start, FileOfs end);	virtual	void pselect_get(FileOfs *start, FileOfs *end);	virtual	void pselect_set(FileOfs start, FileOfs end);	virtual	uint pwrite(FileOfs ofs, void *buf, uint size);	virtual	bool string_to_offset(char *string, FileOfs *ofs);	virtual	bool qword_to_offset(uint64 q, FileOfs *ofs);	virtual	bool get_current_real_offset(FileOfs *ofs);	/* visual address (viewer pos) functions */	virtual	bool get_current_pos(viewer_pos *pos);	virtual	bool goto_pos(viewer_pos pos, bool save_vstate);	virtual	uint vread(viewer_pos pos, void *buf, uint size);	virtual	ht_search_result *vsearch(ht_search_request *search, viewer_pos start, viewer_pos end);	virtual	void vselect_add(viewer_pos start, viewer_pos end);	virtual	void vselect_get(viewer_pos *start, viewer_pos *end);	virtual	void vselect_set(viewer_pos start, viewer_pos end);	virtual	uint vwrite(viewer_pos pos, void *buf, uint size);	virtual	bool string_to_pos(const char *string, viewer_pos *pos);	virtual	bool qword_to_pos(uint64 q, viewer_pos *pos);	/* string evaluation */	virtual	bool func_handler(eval_scalar *result, char *name, eval_scalarlist *params);	virtual	bool symbol_handler(eval_scalar *result, char *name);	/* search related */		bool continue_search();	virtual	bool show_search_result(ht_search_result *result);	/* misc */		void clear_viewer_pos(viewer_pos *p);		File *get_file();		bool string_to_qword(const char *string, uint64 *q);		bool vstate_save();};/* *	CLASS ht_format_viewer_entry */class ht_format_viewer_entry: public Object {public:	ht_view *instance;	format_viewer_if *interface;};/* *	CLASS ht_format_group */class ht_format_group: public ht_format_viewer {protected:	Container *format_views;	void *shared_data;	bool editable_file;	bool own_file;	ht_xgroup *xgroup;/* new */		void init_ifs(format_viewer_if **ifs);		void done_ifs();					bool init_if(format_viewer_if *i);		bool done_if(format_viewer_if *i, ht_view *v);					bool edit();public:		void init(Bounds *b, int options, const char *desc, File *file, bool own_file, bool editable_file, format_viewer_if **ifs, ht_format_group *format_group);	virtual	void done();/* overwritten */	virtual	int childcount() const;	virtual	bool focus(ht_view *view);	virtual	const char *func(uint i, bool execute);		void getbounds(Bounds *b);	virtual ht_view *getfirstchild();	virtual	ht_view *getselected();	virtual	int get_pindicator_str(char *buf, int max_len);	virtual	bool get_hscrollbar_pos(int *pstart, int *psize);	virtual	bool get_vscrollbar_pos(int *pstart, int *psize);	virtual	void handlemsg(htmsg *msg);	virtual	void move(int x, int y);	virtual	void receivefocus();	virtual	void redraw();	virtual	void releasefocus();	virtual	void resize(int rw, int rh);	virtual	void setgroup(ht_group *group);	virtual	bool func_handler(eval_scalar *result, char *name, eval_scalarlist *params);	virtual	bool symbol_handler(eval_scalar *result, char *name);/* new */	virtual	void insert(ht_view *view);		void remove(ht_view *view);		void *get_shared_data();};/* *	CLASS ht_uformat_viewer */#define cursor_state_visible		0#define cursor_state_invisible	1#define cursor_state_disabled		2class ht_uformat_viewer: public ht_format_viewer {protected:	ht_sub *first_sub, *last_sub;/* top line position */	uformat_viewer_pos top;/* cursor line and state and tag position */	uformat_viewer_pos cursor;	int cursor_ypos;	int cursor_state;	bool cursor_select;	FileOfs cursor_select_start;	uint32 cursor_select_cursor_length;