add basic order support. still need to add a cmdline parameter

CMakeLists.txt

@@ -15,6 +15,7 @@ set(SOURCES
 	src/overlayfs.c
 	src/getHome.c
 	src/file.c
+	src/order.c
 	src/fomod.c
 	src/fomod/group.c
 	src/fomod/xmlUtil.c

src/main.c

@@ -16,6 +16,7 @@
 #include "main.h"
 #include "file.h"
 #include "fomod.h"
+#include "order.h"
 
 GHashTable * gamePaths;
 
@@ -119,10 +120,11 @@ int add(int argc, char ** argv) {
 	return EXIT_SUCCESS;
 }
 
-int listMods(int argc, char ** argv) {
+int listAllMods(int argc, char ** argv) {
 	if(argc != 3) return usage();
 	char * appIdStr = argv[2];
-	if(validateAppId(appIdStr) < 0) {
+	int appid = validateAppId(appIdStr);
+	if( appid < 0) {
 		return EXIT_FAILURE;
 	}
 
@@ -130,7 +132,8 @@ int listMods(int argc, char ** argv) {
 	char * home = getHome();
 	char * modFolder = g_build_filename(home, MANAGER_FILES, MOD_FOLDER_NAME, appIdStr, NULL);
 	free(home);
-	GList * mods = listFilesInFolder(modFolder);
+
+	GList * mods = listMods(appid);
 	unsigned short index = 0;
 
 	printf("Id | Installed  | Name\n");
@@ -528,7 +531,7 @@ int main(int argc, char ** argv) {
 		if(isRoot())
 			returnValue = noRoot();
 		else
-			returnValue = listMods(argc, argv);
+			returnValue = listAllMods(argc, argv);
 
 	} else if(strcmp(argv[1], "--install") == 0 || strcmp(argv[1], "-i") == 0) {
 		if(isRoot())

src/main.h

@@ -1,3 +1,5 @@
+//no function should ever be put here, only keep important macros here
+
 #define APP_NAME "modmanager"
 //relative to home the url is not preprocessed so ../ might create some issues
 // in c "A" "B" is the same as "AB"

src/order.c

@@ -0,0 +1,101 @@
+#include <stdio.h>
+#include "order.h"
+
+//no function are declared in main it's just macros
+#include "main.h"
+#include "getHome.h"
+
+typedef struct Mod {
+	int modId;
+	char * path;
+	char * name;
+} Mod_t;
+
+gint compareOrder(const void * a, const void * b) {
+	const Mod_t * ModA = a;
+	const Mod_t * ModB = b;
+
+	if(ModA->modId == -1) return -1;
+	if(ModB->modId == -1) return 1;
+
+	return ModA->modId - ModB->modId;
+}
+
+GList * listMods(int appid) {
+	char appidStr[10];
+	sprintf(appidStr, "%d", appid);
+
+	char * home = getHome();
+	char * modFolder = g_build_filename(home, MANAGER_FILES, MOD_FOLDER_NAME, appidStr, NULL);
+	free(home);
+
+	GList * list = NULL;
+	DIR *d;
+	struct dirent *dir;
+	d = opendir(modFolder);
+	if (d) {
+		while ((dir = readdir(d)) != NULL) {
+			//removes .. & . from the list
+			if(strcmp(dir->d_name, "..") != 0 && strcmp(dir->d_name, ".") != 0) {
+				int modId = -1;
+				//TODO: remove order file
+				char * modPath = g_build_filename(modFolder, dir->d_name, NULL);
+				char * modOrder = g_build_filename(modPath, ORDER_FILE, NULL);
+				FILE * fd_oder = fopen(modOrder, "r");
+				g_free(modOrder);
+				if(fd_oder != NULL) {
+					fscanf(fd_oder, "%d", &modId);
+					fclose(fd_oder);
+				}
+
+				Mod_t * mod = alloca(sizeof(Mod_t));
+				mod->modId = modId;
+				mod->name = strdup(dir->d_name);
+				//strdup but on the stack
+				//add one for the \0
+				mod->path = alloca((strlen(modPath) + 1) * sizeof(char));
+				memcpy(mod->path, modPath, (strlen(modPath) + 1) * sizeof(char));
+
+
+				list = g_list_append(list, mod);
+				g_free(modPath);
+			}
+		}
+		closedir(d);
+	}
+
+	list = g_list_sort(list, compareOrder);
+	GList * orderedMods = NULL;
+
+	int index = 0;
+	for(GList * p_list = list; p_list != NULL; p_list = g_list_next(p_list)) {
+		Mod_t * mod = p_list->data;
+
+		gchar * modOrder = g_build_filename(mod->path, ORDER_FILE, NULL);
+
+		FILE * fd_oder = fopen(modOrder, "w+");
+		g_free(modOrder);
+		if(fd_oder != NULL) {
+			fprintf(fd_oder, "%d", index);
+			fclose(fd_oder);
+		}
+
+		orderedMods = g_list_append(orderedMods, mod->name);
+
+		index++;
+	}
+
+	//do not use g_list_free since i used alloca everything is on the stack
+	g_list_free(list);
+	g_free(modFolder);
+	return orderedMods;
+}
+
+
+void swapPlace(int appid, int modId, int modId2) {
+	GList * list = listMods(appid);
+
+
+
+	g_list_free(list);
+}

src/order.h

@@ -0,0 +1,20 @@
+#ifndef __ORDER_H__
+#define __ORDER_H__
+
+#include <glib.h>
+
+#define ORDER_FILE "__ORDER__"
+
+//This file manager the load order of mods.
+// the current solution is using ORDER_FILE to store a number corresponding to the mod
+// this might be sub-optimal but at least it will work just fine
+
+/**
+ * @brief update the mods ids and return the mods in order
+ *
+ * @return GList of char containing the name of the mod folder in order
+ */
+GList * listMods(int appid);
+void swapPlace(int appid, int modId, int modId2);
+
+#endif