C++ BLI_make_file_string函數代碼示例

void wm_autosave_delete(void)
{
	char filename[FILE_MAX];
	
	wm_autosave_location(filename);

	if (BLI_exists(filename)) {
		char str[FILE_MAX];
		BLI_make_file_string("/", str, BKE_tempdir_base(), BLENDER_QUIT_FILE);

		/* if global undo; remove tempsave, otherwise rename */
		if (U.uiflag & USER_GLOBALUNDO) BLI_delete(filename, false, false);
		else BLI_rename(filename, str);
	}
}

static void renamebutton_cb(bContext *C, void *UNUSED(arg1), char *oldname)
{
	char newname[FILE_MAX + 12];
	char orgname[FILE_MAX + 12];
	char filename[FILE_MAX + 12];
	wmWindowManager *wm = CTX_wm_manager(C);
	SpaceFile *sfile = (SpaceFile *)CTX_wm_space_data(C);
	ARegion *ar = CTX_wm_region(C);

	BLI_make_file_string(G.main->name, orgname, sfile->params->dir, oldname);
	BLI_strncpy(filename, sfile->params->renameedit, sizeof(filename));
	BLI_filename_make_safe(filename);
	BLI_make_file_string(G.main->name, newname, sfile->params->dir, filename);

	if (!STREQ(orgname, newname)) {
		if (!BLI_exists(newname)) {
			BLI_rename(orgname, newname);
			/* to make sure we show what is on disk */
			ED_fileselect_clear(wm, sfile);
		}

		ED_region_tag_redraw(ar);
	}
}

int file_delete_exec(bContext *C, wmOperator *UNUSED(op))
{
	char str[FILE_MAX];
	SpaceFile *sfile= CTX_wm_space_file(C);
	struct direntry* file;
	
	
	file = filelist_file(sfile->files, sfile->params->active_file);
	BLI_make_file_string(G.main->name, str, sfile->params->dir, file->relname);
	BLI_delete(str, 0, 0);	
	ED_fileselect_clear(C, sfile);
	WM_event_add_notifier(C, NC_SPACE|ND_SPACE_FILE_LIST, NULL);
	
	return OPERATOR_FINISHED;

}

/* path to temporary exr file */
void render_result_exr_file_path(Scene *scene, const char *layname, int sample, char *filepath)
{
	char name[FILE_MAXFILE + MAX_ID_NAME + MAX_ID_NAME + 100];
	const char *fi = BLI_path_basename(G.main->name);
	
	if (sample == 0) {
		BLI_snprintf(name, sizeof(name), "%s_%s_%s.exr", fi, scene->id.name + 2, layname);
	}
	else {
		BLI_snprintf(name, sizeof(name), "%s_%s_%s%d.exr", fi, scene->id.name + 2, layname, sample);
	}

	/* Make name safe for paths, see T43275. */
	BLI_filename_make_safe(name);

	BLI_make_file_string("/", filepath, BKE_tempdir_session(), name);
}

ImBuf *get_brush_icon(Brush *brush)
{
  static const int flags = IB_rect | IB_multilayer | IB_metadata;

  char path[FILE_MAX];
  const char *folder;

  if (!(brush->icon_imbuf)) {
    if (brush->flag & BRUSH_CUSTOM_ICON) {

      if (brush->icon_filepath[0]) {
        // first use the path directly to try and load the file

        BLI_strncpy(path, brush->icon_filepath, sizeof(brush->icon_filepath));
        BLI_path_abs(path, BKE_main_blendfile_path_from_global());

        /* use default colorspaces for brushes */
        brush->icon_imbuf = IMB_loadiffname(path, flags, NULL);

        // otherwise lets try to find it in other directories
        if (!(brush->icon_imbuf)) {
          folder = BKE_appdir_folder_id(BLENDER_DATAFILES, "brushicons");

          BLI_make_file_string(
              BKE_main_blendfile_path_from_global(), path, folder, brush->icon_filepath);

          if (path[0]) {
            /* use fefault color spaces */
            brush->icon_imbuf = IMB_loadiffname(path, flags, NULL);
          }
        }

        if (brush->icon_imbuf) {
          BKE_icon_changed(BKE_icon_id_ensure(&brush->id));
        }
      }
    }
  }

  if (!(brush->icon_imbuf)) {
    brush->id.icon_id = 0;
  }

  return brush->icon_imbuf;
}

static int bookmark_add_exec(bContext *C, wmOperator *UNUSED(op))
{
	ScrArea *sa = CTX_wm_area(C);
	SpaceFile *sfile = CTX_wm_space_file(C);
	struct FSMenu *fsmenu = fsmenu_get();
	struct FileSelectParams *params = ED_fileselect_get_params(sfile);

	if (params->dir[0] != '\0') {
		char name[FILE_MAX];
	
		fsmenu_insert_entry(fsmenu, FS_CATEGORY_BOOKMARKS, params->dir, FS_INSERT_SAVE);
		BLI_make_file_string("/", name, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_BOOKMARK_FILE);
		fsmenu_write_file(fsmenu, name);
	}

	ED_area_tag_redraw(sa);
	return OPERATOR_FINISHED;
}

static void writeBlog(void)
{
	struct RecentFile *recent, *next_recent;
	char name[FILE_MAXDIR+FILE_MAXFILE];
	FILE *fp;
	int i;

	BLI_make_file_string("/", name, BLI_gethome(), ".Blog");

	recent = G.recent_files.first;
	/* refresh .Blog of recent opened files, when current file was changed */
	if(!(recent) || (strcmp(recent->filename, G.sce)!=0)) {
		fp= fopen(name, "w");
		if (fp) {
			/* add current file to the beginning of list */
			recent = (RecentFile*)MEM_mallocN(sizeof(RecentFile),"RecentFile");
			recent->filename = (char*)MEM_mallocN(sizeof(char)*(strlen(G.sce)+1), "name of file");
			recent->filename[0] = '\0';
			strcpy(recent->filename, G.sce);
			BLI_addhead(&(G.recent_files), recent);
			/* write current file to .Blog */
			fprintf(fp, "%s\n", recent->filename);
			recent = recent->next;
			i=1;
			/* write rest of recent opened files to .Blog */
			while((i<U.recent_files) && (recent)){
				/* this prevents to have duplicities in list */
				if (strcmp(recent->filename, G.sce)!=0) {
					fprintf(fp, "%s\n", recent->filename);
					recent = recent->next;
				}
				else {
					next_recent = recent->next;
					MEM_freeN(recent->filename);
					BLI_freelinkN(&(G.recent_files), recent);
					recent = next_recent;
				}
				i++;
			}
			fclose(fp);
		}
	}
}

static int bookmark_delete_exec(bContext *C, wmOperator *op)
{
	ScrArea *sa = CTX_wm_area(C);
	struct FSMenu *fsmenu = fsmenu_get();
	int nentries = fsmenu_get_nentries(fsmenu, FS_CATEGORY_BOOKMARKS);
	
	if (RNA_struct_find_property(op->ptr, "index")) {
		int index = RNA_int_get(op->ptr, "index");
		if ((index > -1) && (index < nentries)) {
			char name[FILE_MAX];
			
			fsmenu_remove_entry(fsmenu, FS_CATEGORY_BOOKMARKS, index);
			BLI_make_file_string("/", name, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_BOOKMARK_FILE);
			fsmenu_write_file(fsmenu, name);
			ED_area_tag_redraw(sa);
		}
	}

	return OPERATOR_FINISHED;
}

/* Only save the prefs block. operator entry */
int wm_userpref_write_exec(bContext *C, wmOperator *op)
{
	wmWindowManager *wm = CTX_wm_manager(C);
	char filepath[FILE_MAX];
	
	/* update keymaps in user preferences */
	WM_keyconfig_update(wm);
	
	BLI_make_file_string("/", filepath, BKE_appdir_folder_id_create(BLENDER_USER_CONFIG, NULL), BLENDER_USERPREF_FILE);
	printf("trying to save userpref at %s ", filepath);
	
	if (BKE_write_file_userdef(filepath, op->reports) == 0) {
		printf("fail\n");
		return OPERATOR_CANCELLED;
	}
	
	printf("ok\n");
	
	return OPERATOR_FINISHED;
}

ImBuf* get_brush_icon(Brush *brush)
{
	static const int flags = IB_rect|IB_multilayer|IB_metadata;

	char path[240];
	char *folder;

	if (!(brush->icon_imbuf)) {
		if (brush->flag & BRUSH_CUSTOM_ICON) {

			if (brush->icon_filepath[0]) {
				// first use the path directly to try and load the file

				BLI_strncpy(path, brush->icon_filepath, sizeof(brush->icon_filepath));
				BLI_path_abs(path, G.main->name);

				brush->icon_imbuf= IMB_loadiffname(path, flags);

				// otherwise lets try to find it in other directories
				if (!(brush->icon_imbuf)) {
					folder= BLI_get_folder(BLENDER_DATAFILES, "brushicons");

					path[0]= 0;

					BLI_make_file_string(G.main->name, path, folder, brush->icon_filepath);

					if (path[0])
						brush->icon_imbuf= IMB_loadiffname(path, flags);
				}

				if (brush->icon_imbuf)
					BKE_icon_changed(BKE_icon_getid(&brush->id));
			}
		}
	}

	if (!(brush->icon_imbuf))
		brush->id.icon_id = 0;

	return brush->icon_imbuf;
}

/* sends events now, so things get handled on windowqueue level */
int file_exec(bContext *C, wmOperator *exec_op)
{
	wmWindowManager *wm = CTX_wm_manager(C);
	SpaceFile *sfile = CTX_wm_space_file(C);
	char filepath[FILE_MAX];
	
	if (sfile->op) {
		wmOperator *op = sfile->op;
	
		/* when used as a macro, for doubleclick, 
		 * to prevent closing when doubleclicking on .. item */
		if (RNA_boolean_get(exec_op->ptr, "need_active")) {
			int i, active = 0;
			
			for (i = 0; i < filelist_numfiles(sfile->files); i++) {
				if (filelist_is_selected(sfile->files, i, CHECK_ALL)) {
					active = 1;
					break;
				}
			}
			if (active == 0)
				return OPERATOR_CANCELLED;
		}
		
		sfile->op = NULL;

		file_sfile_to_operator(op, sfile, filepath);

		if (BLI_exists(sfile->params->dir)) {
			fsmenu_insert_entry(fsmenu_get(), FS_CATEGORY_RECENT, sfile->params->dir, FS_INSERT_SAVE | FS_INSERT_FIRST);
		}

		BLI_make_file_string(G.main->name, filepath, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_BOOKMARK_FILE);
		fsmenu_write_file(fsmenu_get(), filepath);
		WM_event_fileselect_event(wm, op, EVT_FILESELECT_EXEC);

	}
				
	return OPERATOR_FINISHED;
}

/**
 * Write #BLENDER_HISTORY_FILE as-is, without checking the environment
 * (thats handled by #wm_history_file_update).
 */
static void wm_history_file_write(void)
{
	const char *user_config_dir;
	char name[FILE_MAX];
	FILE *fp;

	/* will be NULL in background mode */
	user_config_dir = BKE_appdir_folder_id_create(BLENDER_USER_CONFIG, NULL);
	if (!user_config_dir)
		return;

	BLI_make_file_string("/", name, user_config_dir, BLENDER_HISTORY_FILE);

	fp = BLI_fopen(name, "w");
	if (fp) {
		struct RecentFile *recent;
		for (recent = G.recent_files.first; recent; recent = recent->next) {
			fprintf(fp, "%s\n", recent->filepath);
		}
		fclose(fp);
	}
}

/* operator entry */
int WM_write_homefile(bContext *C, wmOperator *op)
{
	wmWindowManager *wm= CTX_wm_manager(C);
	wmWindow *win= CTX_wm_window(C);
	char tstr[FILE_MAXDIR+FILE_MAXFILE];
	int fileflags;
	
	/* check current window and close it if temp */
	if(win->screen->full == SCREENTEMP)
		wm_window_close(C, wm, win);
	
	BLI_make_file_string("/", tstr, BLI_gethome(), ".B25.blend");
	
	/*  force save as regular blend file */
	fileflags = G.fileflags & ~(G_FILE_COMPRESS | G_FILE_LOCK | G_FILE_SIGN);

	BLO_write_file(CTX_data_main(C), tstr, fileflags, op->reports);
	
	G.save_over= 0;
	
	return OPERATOR_FINISHED;
}

/**
 * \see #wm_file_write wraps #BLO_write_file in a similar way.
 */
int wm_homefile_write_exec(bContext *C, wmOperator *op)
{
	wmWindowManager *wm = CTX_wm_manager(C);
	wmWindow *win = CTX_wm_window(C);
	char filepath[FILE_MAX];
	int fileflags;

	BLI_callback_exec(G.main, NULL, BLI_CB_EVT_SAVE_PRE);

	/* check current window and close it if temp */
	if (win && win->screen->temp)
		wm_window_close(C, wm, win);
	
	/* update keymaps in user preferences */
	WM_keyconfig_update(wm);
	
	BLI_make_file_string("/", filepath, BKE_appdir_folder_id_create(BLENDER_USER_CONFIG, NULL), BLENDER_STARTUP_FILE);
	printf("trying to save homefile at %s ", filepath);
	
	ED_editors_flush_edits(C, false);

	/*  force save as regular blend file */
	fileflags = G.fileflags & ~(G_FILE_COMPRESS | G_FILE_AUTOPLAY | G_FILE_HISTORY);

	if (BLO_write_file(CTX_data_main(C), filepath, fileflags | G_FILE_USERPREFS, op->reports, NULL) == 0) {
		printf("fail\n");
		return OPERATOR_CANCELLED;
	}
	
	printf("ok\n");

	G.save_over = 0;

	BLI_callback_exec(G.main, NULL, BLI_CB_EVT_SAVE_POST);

	return OPERATOR_FINISHED;
}

/*
 * Should only be done with command line paths.
 * this is NOT something blenders internal paths support like the // prefix
 */
int BLI_path_cwd(char *path)
{
	int wasrelative = 1;
	int filelen = strlen(path);
	
#ifdef WIN32
	if (filelen >= 3 && path[1] == ':' && (path[2] == '\\' || path[2] == '/'))
		wasrelative = 0;
#else
	if (filelen >= 2 && path[0] == '/')
		wasrelative = 0;
#endif
	
	if (wasrelative == 1) {
		char cwd[FILE_MAX] = "";
		BLI_current_working_dir(cwd, sizeof(cwd)); /* in case the full path to the blend isn't used */
		
		if (cwd[0] == '\0') {
			printf("Could not get the current working directory - $PWD for an unknown reason.\n");
		}
		else {
			/* uses the blend path relative to cwd important for loading relative linked files.
			 *
			 * cwd should contain c:\ etc on win32 so the relbase can be NULL
			 * relbase being NULL also prevents // being misunderstood as relative to the current
			 * blend file which isn't a feature we want to use in this case since were dealing
			 * with a path from the command line, rather than from inside Blender */

			char origpath[FILE_MAX];
			BLI_strncpy(origpath, path, FILE_MAX);
			
			BLI_make_file_string(NULL, path, cwd, origpath); 
		}
	}
	
	return wasrelative;
}