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+/*
+ * Copyright 2010 Vincent Sanders <vince@kyllikki.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf 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; version 2 of the License.
+ *
+ * NetSurf 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _NETSURF_UTILS_FINDRESOURCE_H_
+#define _NETSURF_UTILS_FINDRESOURCE_H_
+
+/** Create a normalised file name.
+ *
+ * If the file described by the format exists and is accessible the
+ * normalised path is placed in str and a pointer to str returned
+ * otherwise NULL is returned. The string in str is always modified.
+ *
+ * @param str A buffer to contain the normalised file name must be at
+ * least PATH_MAX bytes long.
+ * @param format A printf format for the filename.
+ * @param ap The list of arguments for the format.
+ * @return A pointer to the expanded filename or NULL if the file is
+ * not present or accessible.
+ */
+char *vsfindfile(char *str, const char *format, va_list ap);
+
+/** Create a normalised file name.
+ *
+ * Similar to vsfindfile but takes variadic (printf like) parameters
+ */
+char *sfindfile(char *str, const char *format, ...);
+
+/** Create a normalised file name.
+ *
+ * Similar to sfindfile but allocates its own storage for the
+ * returned string. The caller must free this sorage.
+ */
+char *findfile(const char *format, ...);
+
+/** Searches an array of resource paths for a file.
+ *
+ * Iterates through a vector of resource paths and returns the
+ * normalised file name of the first acessible file or NULL if no file
+ * can be found in any of the resource paths.
+ *
+ * @param respathv The resource path vector to iterate.
+ * @param filepath The buffer to place the result in.
+ * @param filename The filename of the resource to search for.
+ * @return A pointer to filepath if a target is found or NULL if not.
+ */
+char *sfindresource(char **respathv, char *filepath, const char *filename);
+
+/** Searches an array of resource paths for a file.
+ *
+ * Similar to sfindresource except it allocates its own storage for
+ * the returned string. The caller must free this sorage.
+ */
+char *findresource(char **respathv, const char *filename);
+
+/** Searches an array of resource paths for a file optionally forcing a default.
+ *
+ * Similar to sfindresource except if no resource is found the default
+ * is used as an additional path element to search, if that still
+ * fails the returned path is set to the concatination of the default
+ * path and the filename.
+ */
+char *sfindresourcedef(char **respathv, char *filepath, const char *filename, const char *def);
+
+/** Merge two string vectors into a resource search path vector.
+ *
+ * @param pathv A string vector containing path elemets to scan.
+ * @param langv A string vector containing language names to enumerate.
+ * @return A pointer to a NULL terminated string vector of valid
+ * resource directories.
+ */
+char **findresource_generate(char * const *pathv, const char * const *langv);
+
+#endif