gnucash/libgnucash/core-utils/gnc-filepath-utils.h
Robert Fewell 22a7a05d50 Add function to create an absolute file path
Add function to create an absolute file path from a prefix path and a
relative one. If the prefix is null, then the root directory of the
current path is used.
2019-03-29 20:43:00 +00:00

173 lines
7.1 KiB
C

/********************************************************************\
* gnc-filepath-utils.h -- file path resolution utilities *
* *
* This program 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 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, contact: *
* *
* Free Software Foundation Voice: +1-617-542-5942 *
* 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652 *
* Boston, MA 02110-1301, USA gnu@gnu.org *
\********************************************************************/
/**
* @file gnc-filepath-utils.h
* @brief File path resolution utility functions
* @author Copyright (c) 1998-2004 Linas Vepstas <linas@linas.org>
* @author Copyright (c) 2000 Dave Peticolas
*/
#ifndef GNC_FILEPATH_UTILS_H
#define GNC_FILEPATH_UTILS_H
/** The gnc_resolve_file_path() routine is a utility that will accept
* a fragmentary filename as input, and resolve it into a fully
* qualified path in the file system, i.e. a path that begins with
* a leading slash. First, the current working directory is
* searched for the file. Next, the directory $HOME/.gnucash/data,
* and finally, a list of other (configurable) paths. If the file
* is not found, then the path $HOME/.gnucash/data is used. If
* $HOME is not defined, then the current working directory is
* used.
*/
gchar *gnc_resolve_file_path (const gchar *filefrag);
/** Given a prefix and a path return the relative portion of the path.
* @param prefix The prefix that might be the first part of the path
* @param path The path from which the prefix might be removed
* @return a char* that must be g_freed containing the path without
* the prefix if path begins with prefix, otherwise a copy of path.
*/
gchar *gnc_file_path_relative_part (const gchar *prefix, const gchar *path);
/** Given a prefix and a relative path, return the absolute path.
* @param prefix The prefix that is the head of the path
* @param relative The path to add to the prefix to form an absolute path
* @return a char* that must be g_freed containing the absolute path.
*
* If prefix is null, then the gnc_userdata_home is used as the prefix.
*/
gchar *gnc_file_path_absolute (const gchar *prefix, const gchar *relative);
/** @brief Find an absolute path to a localized version of a given
* relative path to a html or html related file.
* If no localized version exists, an absolute path to the file
* is searched for. If that file doesn't exist either, returns NULL.
*
* @warning file_name should be a simple path fragment. It shouldn't
* contain xml:// or http:// or <whatever>:// other protocol specifiers.
*
* If passed a string which g_path_is_absolute declares an absolute
* path, return the argument.
*
* Otherwise, assume that file_name is a well-formed relative path and
* try to find a file with its path relative to
* \li a localized subdirectory in the html directory
* of the user's configuration directory
* (e.g. $HOME/.gnucash/html/de_DE, $HOME/.gnucash/html/en,...)
* \li a localized subdirectory in the gnucash documentation directory
* (e.g. /usr/share/doc/gnucash/C,...)
* \li the html directory of the user's configuration directory
* (e.g. $HOME/.gnucash/html)
* \li the gnucash documentation directory
* (e.g. /usr/share/doc/gnucash/)
*
* The paths are searched for in that order. If a matching file is
* found, return the absolute path to it.
* If one isn't found, return NULL.
*
* @param file_name The file path to resolve
*
* @return An absolute file path or NULL if no file is found.
*/
gchar *gnc_path_find_localized_html_file (const gchar *file_name);
/** @brief Initializes the gnucash user data directory.
* This function should be called very early at startup (before any
* other of the user data directory related function gets called).
*
* @note If the necessary directories did get created this
* function will also try to copy files from $HOME/.gnucash
* to there if that old location exists.
*
* @return a migration message when files got copied from the old location, NULL otherwise
*/
char * gnc_filepath_init (void);
const gchar *gnc_userdata_dir (void);
gchar *gnc_build_userdata_path (const gchar *filename);
gchar *gnc_build_book_path (const gchar *filename);
gchar *gnc_build_translog_path (const gchar *filename);
gchar *gnc_build_data_path (const gchar *filename);
gchar *gnc_build_report_path (const gchar *filename);
gchar *gnc_build_stdreports_path (const gchar *filename);
const gchar *gnc_userconfig_dir (void);
/** Given a pixmap/pixbuf file name, find the file in the pixmap
* directory associated with this application. This routine will
* display an error message if it can't find the file.
*
* @param name The name of the file to be found.
*
* @return the full path name of the file, or NULL of the file can't
* be found.
*
* @note It is the caller's responsibility to free the returned string.
*/
gchar *gnc_filepath_locate_pixmap (const gchar *name);
/** Given a file name, find the file in the directories associated
* with this application. This routine will display an error message
* if it can't find the file.
*
* @param name The name of the file to be found.
*
* @return the full path name of the file, or NULL of the file can't
* be found.
*
* @note It is the caller's responsibility to free the returned string.
*/
gchar *gnc_filepath_locate_data_file (const gchar *name);
/** Given a ui file name, find the file in the ui directory associated
* with this application. This routine will display an error message
* if it can't find the file.
*
* @param name The name of the file to be found.
*
* @return the full path name of the file, or NULL of the file can't
* be found.
*
* @note It is the caller's responsibility to free the returned string.
*/
gchar *gnc_filepath_locate_ui_file (const gchar *name);
/** Given a documentation file name, find the file in the doc directory
* associated with this application. This routine will display an error
* message if it can't find the file.
*
* @param name The name of the file to be found.
*
* @return the full path name of the file, or NULL of the file can't
* be found.
*
* @note It is the caller's responsibility to free the returned string.
*/
gchar *gnc_filepath_locate_doc_file (const gchar *name);
#endif /* GNC_FILEPATH_UTILS_H */