--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/project_files/frontlib/model/schemelist.c	Sun Oct 28 15:12:37 2012 +0100
@@ -0,0 +1,216 @@
+/*
+ * Hedgewars, a free turn based strategy game
+ * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include "schemelist.h"
+
+#include "../util/inihelper.h"
+#include "../util/logging.h"
+#include "../util/util.h"
+#include "../util/list.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <string.h>
+
+static char *makePrefixedName(int schemeIndex, const char *settingName) {
+	return flib_asprintf("%i\\%s", schemeIndex, settingName);
+}
+
+static int readSettingsFromIni(flib_ini *ini, flib_scheme *scheme, int index) {
+	bool error = false;
+	for(int i=0; i<flib_meta.settingCount && !error; i++) {
+		char *key = makePrefixedName(index, flib_meta.settings[i].name);
+		if(!key) {
+			error = true;
+		} else if(flib_ini_get_int_opt(ini, &scheme->settings[i], key, flib_meta.settings[i].def)) {
+			flib_log_e("Error reading setting %s in schemes file.", key);
+			error = true;
+		}
+		free(key);
+	}
+	return error;
+}
+
+static int readModsFromIni(flib_ini *ini, flib_scheme *scheme, int index) {
+	bool error = false;
+	for(int i=0; i<flib_meta.modCount && !error; i++) {
+		char *key = makePrefixedName(index, flib_meta.mods[i].name);
+		if(!key) {
+			error = true;
+		} else if(flib_ini_get_bool_opt(ini, &scheme->mods[i], key, false)) {
+			flib_log_e("Error reading mod %s in schemes file.", key);
+			error = true;
+		}
+		free(key);
+	}
+	return error;
+}
+
+static flib_scheme *readSchemeFromIni(flib_ini *ini, int index) {
+	flib_scheme *result = NULL;
+	char *schemeNameKey = makePrefixedName(index+1, "name");
+	if(schemeNameKey) {
+		char *schemeName = NULL;
+		if(!flib_ini_get_str_opt(ini, &schemeName, schemeNameKey, "Unnamed")) {
+			flib_scheme *tmpScheme = flib_scheme_create(schemeName);
+			if(tmpScheme) {
+				if(!readSettingsFromIni(ini, tmpScheme, index) && !readModsFromIni(ini, tmpScheme, index)) {
+					result = tmpScheme;
+					tmpScheme = NULL;
+				}
+			}
+			flib_scheme_destroy(tmpScheme);
+		}
+		free(schemeName);
+	}
+	free(schemeNameKey);
+	return result;
+}
+
+static flib_schemelist *fromIniHandleError(flib_schemelist *result, flib_ini *ini) {
+	flib_ini_destroy(ini);
+	flib_schemelist_destroy(result);
+	return NULL;
+}
+
+flib_schemelist *flib_schemelist_from_ini(const char *filename) {
+	if(log_badargs_if(filename==NULL)) {
+		return NULL;
+	}
+
+	flib_schemelist *list = NULL;
+	flib_ini *ini = flib_ini_load(filename);
+	if(!ini || flib_ini_enter_section(ini, "schemes")) {
+		flib_log_e("Missing file or missing section \"schemes\" in file %s.", filename);
+		return fromIniHandleError(list, ini);
+	}
+
+	list = flib_schemelist_create();
+	if(!list) {
+		return fromIniHandleError(list, ini);
+	}
+
+	int schemeCount = 0;
+	if(flib_ini_get_int(ini, &schemeCount, "size")) {
+		flib_log_e("Missing or malformed scheme count in config file %s.", filename);
+		return fromIniHandleError(list, ini);
+	}
+
+	for(int i=0; i<schemeCount; i++) {
+		flib_scheme *scheme = readSchemeFromIni(ini, i);
+		if(!scheme || flib_schemelist_insert(list, scheme, i)) {
+			flib_scheme_destroy(scheme);
+			flib_log_e("Error reading scheme %i from config file %s.", i, filename);
+			return fromIniHandleError(list, ini);
+		}
+	}
+
+
+	flib_ini_destroy(ini);
+	return list;
+}
+
+static int writeSchemeToIni(const flib_scheme *scheme, flib_ini *ini, int index) {
+	bool error = false;
+
+	char *key = makePrefixedName(index+1, "name");
+	error |= !key || flib_ini_set_str(ini, key, scheme->name);
+	free(key);
+
+	for(int i=0; i<flib_meta.modCount && !error; i++) {
+		char *key = makePrefixedName(index+1, flib_meta.mods[i].name);
+		error |= !key || flib_ini_set_bool(ini, key, scheme->mods[i]);
+		free(key);
+	}
+
+	for(int i=0; i<flib_meta.settingCount && !error; i++) {
+		char *key = makePrefixedName(index+1, flib_meta.settings[i].name);
+		error |= !key || flib_ini_set_int(ini, key, scheme->settings[i]);
+		free(key);
+	}
+	return error;
+}
+
+int flib_schemelist_to_ini(const char *filename, const flib_schemelist *schemes) {
+	int result = -1;
+	if(!log_badargs_if2(filename==NULL, schemes==NULL)) {
+		flib_ini *ini = flib_ini_create(NULL);
+		if(ini && !flib_ini_create_section(ini, "schemes")) {
+			bool error = false;
+			error |= flib_ini_set_int(ini, "size", schemes->schemeCount);
+			for(int i=0; i<schemes->schemeCount && !error; i++) {
+				error |= writeSchemeToIni(schemes->schemes[i], ini, i);
+			}
+
+			if(!error) {
+				result = flib_ini_save(ini, filename);
+			}
+		}
+		flib_ini_destroy(ini);
+	}
+	return result;
+}
+
+flib_schemelist *flib_schemelist_create() {
+	return flib_calloc(1, sizeof(flib_schemelist));
+}
+
+void flib_schemelist_destroy(flib_schemelist *list) {
+	if(list) {
+		for(int i=0; i<list->schemeCount; i++) {
+			flib_scheme_destroy(list->schemes[i]);
+		}
+		free(list->schemes);
+		free(list);
+	}
+}
+
+flib_scheme *flib_schemelist_find(flib_schemelist *list, const char *name) {
+	if(!log_badargs_if2(list==NULL, name==NULL)) {
+		for(int i=0; i<list->schemeCount; i++) {
+			if(!strcmp(name, list->schemes[i]->name)) {
+				return list->schemes[i];
+			}
+		}
+	}
+	return NULL;
+}
+
+GENERATE_STATIC_LIST_INSERT(insertScheme, flib_scheme*)
+GENERATE_STATIC_LIST_DELETE(deleteScheme, flib_scheme*)
+
+int flib_schemelist_insert(flib_schemelist *list, flib_scheme *cfg, int pos) {
+	if(!log_badargs_if2(list==NULL, cfg==NULL)
+			&& !insertScheme(&list->schemes, &list->schemeCount, cfg, pos)) {
+		return 0;
+	}
+	return -1;
+}
+
+int flib_schemelist_delete(flib_schemelist *list, int pos) {
+	if(!log_badargs_if(list==NULL)) {
+		flib_scheme *elem = list->schemes[pos];
+		if(!deleteScheme(&list->schemes, &list->schemeCount, pos)) {
+			flib_scheme_destroy(elem);
+			return 0;
+		}
+	}
+	return -1;
+}