libheraia.h

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00001 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
00002 /*
00003   libheraia.h
00004   Heraia's library header
00005 
00006   (C) Copyright 2008 - 2009 Sébastien Tricaud, Olivier Delhomme
00007   e-mail : heraia@delhomme.org
00008   URL    : http://heraia.tuxfamily.org
00009 
00010   This program is free software; you can redistribute it and/or modify
00011   it under the terms of the GNU General Public License as published by
00012   the Free Software Foundation; either version 2, or  (at your option)
00013   any later version.
00014 
00015   This program is distributed in the hope that it will be useful,
00016   but WITHOUT ANY WARRANTY;  without even the implied warranty of
00017   MERCHANTABILITY  or  FITNESS FOR A PARTICULAR PURPOSE.  See the
00018   GNU General Public License for more details.
00019 
00020   You should have received a copy of the GNU General Public License
00021   along with this program; if not, write to the Free Software
00022   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
00023 /**
00024  * @file libheraia.h
00025  *
00026  *  This file contains all the definitions and includes all other .h
00027  *  file. This is not very friendly, but ease compilation on exotic
00028  *  systems.
00029  */
00030 #ifndef _LIBHERAIA_H_
00031 #define _LIBHERAIA_H_
00032 
00033 #include <stdio.h>
00034 #include <stdlib.h>
00035 #include <string.h>
00036 #include <time.h>
00037 #include <unistd.h>
00038 #include <sys/types.h>
00039 #include <sys/stat.h>
00040 #include <getopt.h>
00041 
00042 #include <glib.h>
00043 #include <glib/gstdio.h>
00044 #include <glade/glade.h>
00045 #include <gmodule.h>
00046 
00047 #include <gtkhex/gtkhex.h>
00048 
00049 /**
00050  * @typedef HexDocument Heraia_Document
00051  *  Abstract layer this may be usefull if we decide to leave GtkHex
00052  *  and use something else !
00053  *
00054  * @typedef GtkHex Heraia_Hex
00055  *  Abstract layer this may be usefull if we decide to leave GtkHex
00056  *  and use something else !
00057  */
00058 /**
00059  * @typedef  gint HERAIA_ERROR
00060  *  Defines heraia error type (this should be used !)
00061  */
00062 typedef HexDocument Heraia_Document;
00063 typedef GtkHex Heraia_Hex;
00064 typedef gint HERAIA_ERROR;
00065 
00066 /**
00067  *  @typedef gint RefreshType
00068  *   Refresh type (may be used to decide what to do
00069  *   in a particular case)
00070  *  @warning This is not thread safe !!
00071  */
00072 /**
00073  *  @def HERAIA_REFRESH_NOTHING
00074  *   When nothing is refreshed
00075  *
00076  *  @def HERAIA_REFRESH_NEW_FILE
00077  *   When a new file has been loaded
00078  *
00079  *  @def HERAIA_REFRESH_CURSOR_MOVE
00080  *   When the cursor is moving
00081  *
00082  *  @def HERAIA_REFRESH_TAB_CHANGED
00083  *   When user selects another tab in main notebook
00084  */
00085 typedef gint RefreshType;
00086 #define HERAIA_REFRESH_NOTHING 0
00087 #define HERAIA_REFRESH_NEW_FILE 1
00088 #define HERAIA_REFRESH_CURSOR_MOVE 2
00089 #define HERAIA_REFRESH_TAB_CHANGED 3
00090 
00091 /**
00092  * @struct date_and_time_t
00093  *  A human struct to store a date with a time.
00094  * @todo add an UTC info field
00095  */
00096 typedef struct
00097 {
00098         guint32 year;
00099         guint32 month;
00100         guint32 day;
00101 
00102         guint32 hour;
00103         guint32 minutes;
00104         guint32 seconds;
00105 } date_and_time_t;
00106 
00107 
00108 /** Templates for the decoding functions */
00109 typedef gchar *(* DecodeFunc) (guchar *, gpointer);     /**< Decode function template */
00110 
00111 /**
00112  * @struct decode_parameters_t
00113  * Used to pass decoding options to the functions. Those options are evaluated
00114  * from data_interpretor's window
00115  */
00116 typedef struct
00117 {
00118                 guint endianness;  /**< endianness  */
00119                 guint stream_size; /**< stream_size    */
00120 } decode_parameters_t;
00121 
00122 /**
00123  * @struct decode_t
00124  * Basic way to associate a decode function and an entry that will receive the
00125  * result
00126  * @warning this structure is subject to changes
00127  */
00128  typedef struct
00129  {
00130     DecodeFunc func;  /**< a function to decode into something     */
00131     GtkWidget *entry; /**< the widget that will receive the result */
00132  } decode_t;
00133 
00134 
00135 /**
00136  * @struct decode_generic_t
00137  * Basic way to have as many as we want decoding functions corresponding to one
00138  * label. This Structure is basicaly one row in the data intrepretor window
00139  * @warning this structure is subject to changes
00140  */
00141  typedef struct
00142  {
00143     GPtrArray *decode_array; /**< Pointer Array of decode_t functions and corresponding entries */
00144     GtkWidget *label;        /**< label for these decoding functions                            */
00145     guint data_size;         /**< size of what we may decode                                    */
00146     gboolean fixed_size;     /**< says whether we can modify data_size or not                   */
00147  } decode_generic_t;
00148 
00149 
00150 /**
00151  * @struct tab_t
00152  * Tabulation structure to be used in the GtkNoteBook of
00153  * data_interpretor's window
00154  */
00155 typedef struct
00156 {
00157         guint index;           /**< number for this tab                                             */
00158         guint nb_cols;         /**< number of columns in this tab - this MUST NOT change in any way */
00159         guint nb_rows;         /**< number of rows in this tab - this is automatically updated      */
00160         GtkWidget *label;      /**< label for this tab                                              */
00161         GPtrArray *col_labels; /**< array of GtkWidgets of columns labels                           */
00162         GPtrArray *vboxes;     /**< array of vboxes where we will pack label and entry widgets      */
00163         GPtrArray *rows;       /**< array of pointers to decode_generic_t variables.                */
00164 } tab_t;
00165 
00166 /**
00167  * @struct data_window_t
00168  *  Data interpretor window structure
00169  */
00170 typedef struct
00171 {
00172     /** Current Hexwidget that we want data to be interpreted */
00173     GtkWidget *current_hexwidget;  /** @todo we may want to move this from here to heraia_window_t structure. This should not be used anymore */
00174     GtkWidget *diw;                /**< data interpretor window                                              */
00175     gint tab_displayed;            /**< keeps the last displayed tab's number before closing                 */
00176     guint nb_tabs;                 /**< keeps Number of tabs in the GPtrArray                                */
00177     GPtrArray *tabs;               /**< an array of tabs displayed in data interpretor's notebook            */
00178 } data_window_t;
00179 
00180 /* Treatment Stuff (if one wants to add new data types) */
00181 typedef GList *(* TreatmentDoFunc) (GList *);     /**< Treatment function called while operating the treatment */
00182 typedef void (* TreatmentInitFunc) (gpointer);    /**< Treatment init function                                 */
00183 typedef void (* TreatmentDelFunc) (gpointer);     /**< Treatment delete function                               */
00184 typedef gpointer (*TreatmentCopyFunc) (gpointer); /**< Treatment copy function that have to copy internal
00185                                                                                                            structures (widgets and all stuff in it)                */
00186 /**
00187  * @struct treatment_t
00188  *  Treatment structure
00189  * @warning I'm not happy with this struct and all data_type.c file. I plan
00190  *          to replace thoses ugly things with an embedded scripting language
00191  *          such as python.
00192  */
00193 typedef struct
00194 {
00195         gchar *name;               /**< Treatment name  */
00196         TreatmentDoFunc do_it;     /**< Treatment function that manages the whole treatment (interface + treatment itself) */
00197         TreatmentInitFunc init;    /**< inits the interface */
00198         TreatmentDelFunc kill;     /**< kills the treatment itself */
00199         TreatmentCopyFunc copy;    /**< Copy the gpointer data sub structure of the treatment itself */
00200         gpointer data;             /**< Generic treatment data. Each instantiated treatment may have it's own              */
00201 } treatment_t;
00202 
00203 /**
00204  * @struct treatment_container_t
00205  *  Structure in order to contain one treatment
00206  * @warning I'm not happy with this struct and all data_type.c file. I plan
00207  *          to replace thoses ugly things with an embedded scripting language
00208  *          such as python.
00209  */
00210 typedef struct
00211 {
00212         GtkWidget *container_box;  /**< Upper box containing the whole stuff                */
00213         GtkWidget *button_box;     /**< Right part of the hbox. Contains "-", GtkEntry, "+" */
00214         GtkWidget *combo_box;      /**< Left box where we have the combobox                 */
00215         GtkWidget *tment_list;     /**< Combobox containning the treatment list             */
00216         GtkWidget *result;         /**< The GtkEntry in the vbox                            */
00217         GtkWidget *moins;          /**< "-" button                                          */
00218         GtkWidget *plus;           /**< "+" button                                          */
00219         treatment_t *treatment;    /**< Selected treatment                                  */
00220 } treatment_container_t;
00221 
00222 /**
00223  * @struct data_type_t
00224  *  Data type structure entry that contains user defined data types
00225  *  This is integrated within a GList.
00226  *  !! Do not forget to update the functions related to this such as
00227  *   - new_data_type
00228  *   - free_data_type
00229  *   - copy_data_type
00230  *  See data_type.c for thoses functions
00231  * @warning I'm not happy with this struct and all data_type.c file. I plan
00232  *          to replace thoses ugly things with an embedded scripting language
00233  *          such as python.
00234  */
00235 typedef struct
00236 {
00237         gchar *name;             /**< Name of the data type                                                       */
00238         guint size;              /**< size of the data type  (here we may limit size entry, eg <= 16 for example) */
00239         GList *treatment_c_list; /**< Treatments containers to be applied (in the list order) to the data
00240                                                                   (treatment_container_t *)                                                   */
00241         GtkWidget *di_label;     /**< label for the data_interpretor window                                       */
00242         GtkWidget *di_entry;     /**< entry for the data interpretor window                                       */
00243 } data_type_t;
00244 
00245 
00246 /**
00247  * @struct xml_t
00248  *  Structure that contains all the xml definitions loaded at
00249  *  running time using libglade
00250  */
00251 typedef struct
00252 {
00253         GladeXML *main;      /**< the main interface xml description */
00254 } xml_t;
00255 
00256 
00257 /**
00258  * @def WPT_DEFAULT_HEIGHT
00259  *  Defines the default height for a window (set in window_prop_t)
00260  *
00261  * @def WPT_DEFAULT_WIDTH
00262  *  Defines the default width for a window (set in window_prop_t)
00263  */
00264 #define WPT_DEFAULT_HEIGHT 200
00265 #define WPT_DEFAULT_WIDTH 200
00266 
00267 /**
00268  * @struct window_prop_t
00269  * Window properties
00270  *  - position (x,y) record window's position
00271  *  - displayed (boolean) say whether the window is displayed or not
00272  */
00273 typedef struct
00274 {
00275         gint x;              /**< x position (upper left corner)     */
00276         gint y;              /**< y position (upper left corner)     */
00277         guint height;        /**< y+height (bottom right corner)     */
00278         guint width;         /**< x+width (bottom right corner)     */
00279         gboolean displayed;  /**< TRUE if displayed, FALSE otherwise */
00280 } window_prop_t;
00281 
00282 /**
00283  * @struct all_window_prop_t
00284  *  Structure to keep window properties for each window
00285  */
00286 typedef struct
00287 {
00288         window_prop_t *about_box;
00289         window_prop_t *data_interpretor;  /**< data interpretor window   */
00290         window_prop_t *log_box;           /**< log window                */
00291         window_prop_t *main_dialog;       /**< heraia's main window      */
00292         window_prop_t *plugin_list;       /**< plugin description window */
00293         window_prop_t *ldt;               /**< list data types window    */
00294         window_prop_t *main_pref_window;  /**< main preference window    */
00295 } all_window_prop_t;
00296 
00297 /**
00298  * @struct prefs_t
00299  *  Data type related to preferences
00300  */
00301 typedef struct
00302 {
00303    gchar *filename;    /**< user preference file file name   */
00304    gchar *pathname;    /**< user preference file path name   */
00305    GKeyFile *file;     /**< preference file contents         */
00306 } prefs_t;
00307 
00308 
00309 /**
00310  * @struct doc_t
00311  * Proposal for a structure that will group all informations about
00312  * a single document. This structure is managed in heraia_io.c
00313  */
00314 typedef struct
00315 {
00316         Heraia_Document *hex_doc;  /**< Document definition related to libgtkhex */
00317         GtkWidget *hex_widget;     /**< hexwidget corresponding to the document  */
00318 } doc_t;
00319 
00320 
00321 /**
00322  * @struct heraia_window_t
00323  *  This is the main structure (mainly named main_window due to historycal reasons)
00324  *  It contains all things that the program needs
00325  */
00326 typedef struct
00327 {
00328         gboolean  debug;                /**< Used to tell the program wether we want to display debug messages or not  */
00329         doc_t *current_doc;             /**< This is a pointer to the current edited document                          */
00330         GPtrArray *documents;               /**< An array of doc_t in order to be able to open more than one doc           */
00331         xml_t *xmls;                    /**< All the xmls used in the program, loaded at running time                  */
00332         data_window_t *current_DW;      /**< data_interpretor pointer                                                  */
00333         GList *location_list;           /**< this is the location list where we store some paths                       */
00334         GList *plugins_list;            /**< A list of plugins                                                         */
00335         GList *data_type_list;          /**< A list of data types                                                      */
00336         data_type_t *current_data_type; /**< data type that is being edited                                            */
00337         GList *available_treatment_list;/**< Available treatments that can be used by the user in the data type window */
00338         RefreshType event;              /**< Tells what is happening                                                   */
00339         all_window_prop_t *win_prop;    /**< Keeps window properties                                                   */
00340         prefs_t *prefs;                 /**< All datas related to main preferences                                     */
00341 } heraia_window_t;
00342 
00343 #include "config.h"
00344 #include "data_interpretor.h"
00345 #include "data_type.h"
00346 #include "decode.h"
00347 #include "ghex_heraia_interface.h"
00348 #include "heraia_errors.h"
00349 #include "heraia_io.h"
00350 #include "heraia_ui.h"
00351 #include "list_data_types.h"
00352 #include "log.h"
00353 #include "main_pref_window.h"
00354 #include "plugin.h"
00355 #include "plugin_list.h"
00356 #include "treatments.h"
00357 #include "user_prefs.h"
00358 
00359 extern int libheraia_test(void);
00360 
00361 /**
00362  * Python specific
00363  */
00364 extern void libheraia_initialize(void);
00365 extern void libheraia_finalize(void);
00366 
00367 #endif /* _LIBHERAIA_H_ */

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