--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/project_files/frontlib/model/scheme.c	Tue Jul 10 19:33:57 2012 +0200
@@ -0,0 +1,237 @@
+/*
+ * 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 "scheme.h"
+
+#include "../util/inihelper.h"
+#include "../util/logging.h"
+#include "../util/util.h"
+#include "../util/refcounter.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <string.h>
+
+static void flib_metascheme_destroy(flib_metascheme *meta) {
+	if(meta) {
+		if(meta->settings) {
+			for(int i=0; i<meta->settingCount; i++) {
+				free(meta->settings[i].name);
+				free(meta->settings[i].engineCommand);
+			}
+			free(meta->settings);
+		}
+		if(meta->mods) {
+			for(int i=0; i<meta->modCount; i++) {
+				free(meta->mods[i].name);
+			}
+			free(meta->mods);
+		}
+		free(meta);
+	}
+}
+
+static void flib_scheme_destroy(flib_scheme* scheme) {
+	if(scheme) {
+		flib_metascheme_release(scheme->meta);
+		free(scheme->mods);
+		free(scheme->settings);
+		free(scheme->name);
+		free(scheme);
+	}
+}
+
+static flib_metascheme *flib_metascheme_from_ini_handleError(flib_metascheme *result, flib_ini *ini) {
+	flib_metascheme_destroy(result);
+	flib_ini_destroy(ini);
+	return NULL;
+}
+
+static int readMetaSettingSections(flib_ini *ini, flib_metascheme *result, int limit) {
+	while(result->settingCount<limit) {
+		char sectionName[32];
+		if(snprintf(sectionName, sizeof(sectionName), "setting%i", result->settingCount) <= 0) {
+			return -1;
+		}
+		if(!flib_ini_enter_section(ini, sectionName)) {
+			flib_metascheme_setting *metasetting = &result->settings[result->settingCount];
+			result->settingCount++;
+
+			bool error = false;
+			error |= flib_ini_get_str(ini, &metasetting->name, "name");
+			error |= flib_ini_get_str_opt(ini, &metasetting->engineCommand, "command", NULL);
+			error |= flib_ini_get_bool(ini, &metasetting->times1000, "times1000");
+			error |= flib_ini_get_bool(ini, &metasetting->maxMeansInfinity, "maxmeansinfinity");
+			error |= flib_ini_get_int(ini, &metasetting->min, "min");
+			error |= flib_ini_get_int(ini, &metasetting->max, "max");
+			error |= flib_ini_get_int(ini, &metasetting->def, "default");
+			if(error) {
+				flib_log_e("Missing or malformed ini parameter in metaconfig, section %s", sectionName);
+				return -1;
+			}
+		} else {
+			return 0;
+		}
+	}
+	return 0;
+}
+
+static int readMetaModSections(flib_ini *ini, flib_metascheme *result, int limit) {
+	while(result->modCount<limit) {
+		char sectionName[32];
+		if(snprintf(sectionName, sizeof(sectionName), "mod%i", result->modCount) <= 0) {
+			return -1;
+		}
+		if(!flib_ini_enter_section(ini, sectionName)) {
+			flib_metascheme_mod *metamod = &result->mods[result->modCount];
+			result->modCount++;
+
+			bool error = false;
+			error |= flib_ini_get_str(ini, &metamod->name, "name");
+			error |= flib_ini_get_int(ini, &metamod->bitmaskIndex, "bitmaskIndex");
+			if(error) {
+				flib_log_e("Missing or malformed ini parameter in metaconfig, section %s", sectionName);
+				return -1;
+			}
+		} else {
+			return 0;
+		}
+	}
+	return 0;
+}
+
+flib_metascheme *flib_metascheme_from_ini(const char *filename) {
+	if(log_badargs_if(filename==NULL)) {
+		return NULL;
+	}
+	flib_metascheme *result = flib_metascheme_retain(flib_calloc(1, sizeof(flib_metascheme)));
+	flib_ini *ini = flib_ini_load(filename);
+
+	if(!result || !ini) {
+		return flib_metascheme_from_ini_handleError(result, ini);
+	}
+
+	// We're overallocating here for simplicity
+	int sectionCount = flib_ini_get_sectioncount(ini);
+	result->settingCount = 0;
+	result->modCount = 0;
+	result->settings = flib_calloc(sectionCount, sizeof(flib_metascheme_setting));
+	result->mods = flib_calloc(sectionCount, sizeof(flib_metascheme_mod));
+
+	if(!result->settings || !result->mods) {
+		return flib_metascheme_from_ini_handleError(result, ini);
+	}
+
+	if(readMetaSettingSections(ini, result, sectionCount) || readMetaModSections(ini, result, sectionCount)) {
+		return flib_metascheme_from_ini_handleError(result, ini);
+	}
+
+	if(result->settingCount+result->modCount != sectionCount) {
+		flib_log_e("Unknown or non-contiguous sections headers in metaconfig.");
+		return flib_metascheme_from_ini_handleError(result, ini);
+	}
+
+	flib_ini_destroy(ini);
+	return result;
+}
+
+flib_metascheme *flib_metascheme_retain(flib_metascheme *metainfo) {
+	if(metainfo) {
+		flib_retain(&metainfo->_referenceCount, "flib_metascheme");
+	}
+	return metainfo;
+}
+
+void flib_metascheme_release(flib_metascheme *meta) {
+	if(meta && flib_release(&meta->_referenceCount, "flib_metascheme")) {
+		flib_metascheme_destroy(meta);
+	}
+}
+
+flib_scheme *flib_scheme_create(flib_metascheme *meta, const char *schemeName) {
+	flib_scheme *result = flib_scheme_retain(flib_calloc(1, sizeof(flib_scheme)));
+	if(log_badargs_if2(meta==NULL, schemeName==NULL) || result==NULL) {
+		return NULL;
+	}
+
+	result->meta = flib_metascheme_retain(meta);
+	result->name = flib_strdupnull(schemeName);
+	result->mods = flib_calloc(meta->modCount, sizeof(*result->mods));
+	result->settings = flib_calloc(meta->settingCount, sizeof(*result->settings));
+
+	if(!result->mods || !result->settings || !result->name) {
+		flib_scheme_destroy(result);
+		return NULL;
+	}
+
+	for(int i=0; i<meta->settingCount; i++) {
+		result->settings[i] = meta->settings[i].def;
+	}
+	return result;
+}
+
+flib_scheme *flib_scheme_copy(const flib_scheme *scheme) {
+	flib_scheme *result = NULL;
+	if(scheme) {
+		result = flib_scheme_create(scheme->meta, scheme->name);
+		if(result) {
+			memcpy(result->mods, scheme->mods, scheme->meta->modCount * sizeof(*scheme->mods));
+			memcpy(result->settings, scheme->settings, scheme->meta->settingCount * sizeof(*scheme->settings));
+		}
+	}
+	return result;
+}
+
+flib_scheme *flib_scheme_retain(flib_scheme *scheme) {
+	if(scheme) {
+		flib_retain(&scheme->_referenceCount, "flib_scheme");
+	}
+	return scheme;
+}
+
+void flib_scheme_release(flib_scheme *scheme) {
+	if(scheme && flib_release(&scheme->_referenceCount, "flib_scheme")) {
+		flib_scheme_destroy(scheme);
+	}
+}
+
+bool flib_scheme_get_mod(flib_scheme *scheme, const char *name) {
+	if(!log_badargs_if2(scheme==NULL, name==NULL)) {
+		for(int i=0; i<scheme->meta->modCount; i++) {
+			if(!strcmp(scheme->meta->mods[i].name, name)) {
+				return scheme->mods[i];
+			}
+		}
+		flib_log_e("Unable to find game mod %s", name);
+	}
+	return false;
+}
+
+int flib_scheme_get_setting(flib_scheme *scheme, const char *name, int def) {
+	if(!log_badargs_if2(scheme==NULL, name==NULL)) {
+		for(int i=0; i<scheme->meta->settingCount; i++) {
+			if(!strcmp(scheme->meta->settings[i].name, name)) {
+				return scheme->settings[i];
+			}
+		}
+		flib_log_e("Unable to find game setting %s", name);
+	}
+	return def;
+}