ali@423: /*
ali@423:  * Copyright (C) 2011-2012  J. Ali Harlow <ali@juiblex.co.uk>
ali@423:  *
ali@423:  * This program is free software; you can redistribute it and/or modify
ali@423:  * it under the terms of the GNU General Public License as published by
ali@423:  * the Free Software Foundation; either version 2 of the License, or
ali@423:  * (at your option) any later version.
ali@423:  *
ali@423:  * This program is distributed in the hope that it will be useful,
ali@423:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
ali@423:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
ali@423:  * GNU General Public License for more details.
ali@423:  *
ali@423:  * You should have received a copy of the GNU General Public License along
ali@423:  * with this program; if not, write to the Free Software Foundation, Inc.,
ali@423:  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
ali@423:  */
ali@423: 
ali@423: #include "config.h"
ali@423: 
ali@423: #ifdef MSWIN_API
ali@423: #include <windows.h>
ali@423: #endif
ali@423: #include <stdlib.h>
ali@423: #include <string.h>
ali@423: 
ali@423: #include "razor.h"
ali@423: #include "razor-internal.h"
ali@423: 
ali@439: const char *razor_error_get_path_str(struct razor_error *error)
ali@439: {
ali@439: 	if (error->path_str)
ali@439: 		return error->path_str;
ali@439: 
ali@439: 	if (error->path) {
ali@439: 		error->path_str = razor_concat(error->path, ": ",
ali@439: 					       error->str, NULL);
ali@439: 		return error->path_str;
ali@439: 	}
ali@439: 
ali@439: 	return error->str;
ali@439: }
ali@439: 
ali@439: /**
ali@439:  * razor_error_get_primary_text:
ali@439:  *
ali@439:  * Retrieves the basic information about an error. If a summary has been set
ali@439:  * then this will be returned. Otherwise the error string possibly prefixed
ali@439:  * by the path will be returned instead.
ali@439:  *
ali@439:  * Returns: Primary text of error.
ali@439:  **/
ali@439: RAZOR_EXPORT const char *
ali@439: razor_error_get_primary_text(struct razor_error *error)
ali@439: {
ali@439: 	if (error->summary)
ali@439: 		return error->summary;
ali@439: 
ali@439: 	return razor_error_get_path_str(error);
ali@439: }
ali@439: 
ali@439: /**
ali@439:  * razor_error_get_secondary_text:
ali@439:  *
ali@439:  * Retrieves more detailed information about an error, if any. If a summary
ali@439:  * has been set the error string possibly prefixed by the path will be
ali@439:  * returned. Otherwise NULL will be returned.
ali@439:  *
ali@439:  * Returns: Secondary text of error or NULL.
ali@439:  **/
ali@439: RAZOR_EXPORT const char *
ali@439: razor_error_get_secondary_text(struct razor_error *error)
ali@439: {
ali@439: 	if (!error->summary)
ali@439: 		return NULL;
ali@439: 
ali@439: 	return razor_error_get_path_str(error);
ali@439: }
ali@439: 
ali@423: RAZOR_EXPORT const char *
ali@423: razor_error_get_msg(struct razor_error *error)
ali@423: {
ali@439: 	const char *primary, *secondary;
ali@423: 
ali@439: 	if (error->msg)
ali@439: 		return error->msg;
ali@439: 
ali@439: 	primary = razor_error_get_primary_text(error);
ali@439: 
ali@439: 	secondary = razor_error_get_secondary_text(error);
ali@439: 
ali@439: 	if (secondary) {
ali@439: 		error->msg = razor_concat(primary, "\n", secondary, NULL);
ali@439: 		return error->msg;
ali@439: 	} else
ali@439: 		return primary;
ali@423: }
ali@423: 
ali@423: #ifdef MSWIN_API
ali@423: struct razor_error *
ali@423: razor_error_new_mswin(const wchar_t *path, DWORD err)
ali@423: {
ali@423: 	struct razor_error *error;
ali@423: 	wchar_t *buf;
ali@423: 
ali@423: 	error = zalloc(sizeof *error);
ali@423: 
ali@423: 	if (path)
ali@423: 		error->path = razor_utf16_to_utf8(path, -1);
ali@423: 
ali@423: 	FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER|
ali@423: 		       FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,
ali@423: 		       NULL, err, MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),
ali@423: 		       (LPWSTR)&buf, 0, NULL);
ali@423: 	error->str = razor_utf16_to_utf8(buf, -1);
ali@423: 	LocalFree(buf);
ali@423: 
ali@423: 	return error;
ali@423: }
ali@423: 
ali@423: struct razor_error *
ali@424: razor_error_new_str2(const wchar_t *path, const char *str)
ali@423: {
ali@423: 	struct razor_error *error;
ali@423: 
ali@423: 	error = zalloc(sizeof *error);
ali@423: 
ali@423: 	if (path)
ali@423: 		error->path = razor_utf16_to_utf8(path, -1);
ali@424: 
ali@424: 	error->str = strdup(str);
ali@424: 
ali@424: 	return error;
ali@424: }
ali@424: #endif	/* MSWIN_API */
ali@424: 
ali@424: RAZOR_EXPORT struct razor_error *
ali@424: razor_error_new_str(const char *path, const char *str)
ali@424: {
ali@424: 	struct razor_error *error;
ali@424: 
ali@424: 	error = zalloc(sizeof *error);
ali@424: 
ali@423: 	if (path)
ali@423: 		error->path = strdup(path);
ali@423: 
ali@423: 	error->str = strdup(str);
ali@423: 
ali@423: 	return error;
ali@423: }
ali@423: 
ali@439: RAZOR_EXPORT struct razor_error *
ali@439: razor_error_dup(struct razor_error *src, const char *summary)
ali@439: {
ali@439: 	struct razor_error *error;
ali@439: 
ali@439: 	error = zalloc(sizeof *error);
ali@439: 
ali@439: 	if (summary)
ali@439: 		error->summary = strdup(summary);
ali@439: 	else if (src->summary)
ali@439: 		error->summary = strdup(src->summary);
ali@439: 
ali@439: 	if (src->path)
ali@439: 		error->path = strdup(src->path);
ali@439: 
ali@439: 	if (src->str)
ali@439: 		error->str = strdup(src->str);
ali@439: 
ali@439: 	return error;
ali@439: }
ali@439: 
ali@424: RAZOR_EXPORT void
ali@424: razor_error_free(struct razor_error *error)
ali@423: {
ali@424: 	free(error->path);
ali@424: 	free(error->str);
ali@439: 	free(error->path_str);
ali@439: 	free(error->summary);
ali@424: 	free(error->msg);
ali@424: 	free(error);
ali@423: }