From 105d66c75d883b8da24364c0b1e3602d09c356ae Mon Sep 17 00:00:00 2001
From: Martin Dvorak <martin.dvorak@gmail.com>
Date: Sat, 29 Mar 2014 13:19:15 +0100
Subject: [PATCH] Loading of favorites from resource file added.

---
 src/hstr_favorites.c         | 99 +++++++++++++++++++++---------------
 src/include/hstr_favorites.h |  6 +--
 2 files changed, 62 insertions(+), 43 deletions(-)

diff --git a/src/hstr_favorites.c b/src/hstr_favorites.c
index 83a2695..ad30018 100644
--- a/src/hstr_favorites.c
+++ b/src/hstr_favorites.c
@@ -19,57 +19,75 @@ void favorites_init(FavoriteItems *favorites)
 {
 	favorites->items=NULL;
 	favorites->count=0;
+	favorites->loaded=false;
 }
 
-void favorites_load(FavoriteItems *favorites)
+void favorites_get(FavoriteItems *favorites)
 {
-	// TODO fake initialization instead of .hhrc load
-	favorites->count=2;
-	favorites->items=malloc(sizeof(char *)*favorites->count);
-	favorites->items[0]=malloc(2);
-	strcpy(favorites->items[0],"a");
-	favorites->items[1]=malloc(2);
-	strcpy(favorites->items[1],"b");
+	if(!favorites->loaded) {
+		char *home = getenv(ENV_VAR_HOME);
+		char *fileName=(char*)malloc(strlen(home)+1+strlen(FILE_HH_RC)+1);
+		strcpy(fileName,home);
+		strcat(fileName,"/");
+		strcat(fileName,FILE_HH_RC);
 
-	lazy loading (boolean indicator to FavoriteItems)
+		char *file_contents=NULL;
+		if(access(fileName, F_OK) != -1) {
+			long input_file_size;
 
-	// TODO load from file
+			FILE *input_file = fopen(fileName, "rb");
+			fseek(input_file, 0, SEEK_END);
+			input_file_size = ftell(input_file);
+			rewind(input_file);
+			file_contents = malloc((input_file_size + 1) * (sizeof(char)));
+			if(fread(file_contents, sizeof(char), input_file_size, input_file)==-1) {
+				exit(EXIT_FAILURE);
+			}
+			fclose(input_file);
+			file_contents[input_file_size] = 0;
 
-	char *home = getenv(ENV_VAR_HOME);
-	char *fileName=(char*)malloc(strlen(home)+1+strlen(FILE_HH_RC)+1);
-	strcpy(fileName,home);
-	strcat(fileName,"/");
-	strcat(fileName,FILE_HH_RC);
+			if(file_contents && strlen(file_contents)) {
+				favorites->count = 0;
+				char *p=strchr(file_contents,'\n');
+				while (p!=NULL) {
+					favorites->count++;
+					p=strchr(p+1,'\n');
+				}
 
-	char *file_contents=NULL;
-	if(access(fileName, F_OK) != -1) {
-		long input_file_size;
-
-		FILE *input_file = fopen(fileName, "rb");
-		fseek(input_file, 0, SEEK_END);
-		input_file_size = ftell(input_file);
-		rewind(input_file);
-		file_contents = malloc((input_file_size + 1) * (sizeof(char)));
-		if(fread(file_contents, sizeof(char), input_file_size, input_file)==-1) {
-			exit(EXIT_FAILURE);
+			    favorites->items = malloc(sizeof(char*) * favorites->count);
+				int i = 0;
+				char *pb=file_contents, *pe;
+				pe=strchr(file_contents, '\n');
+				while(pe!=NULL) {
+					favorites->items[i]=pb;
+					*pe=0;
+					favorites->items[i]=strdup(pb);
+					pb=pe+1;
+					pe=strchr(pb, '\n');
+					i++;
+				}
+				free(file_contents);
+			}
+		} else {
+			// favorites file not found > favorites don't exist yet
+			favorites->loaded=true;
+			return;
 		}
-		fclose(input_file);
-		file_contents[input_file_size] = 0;
-	} else {
-		fprintf(stderr,"\nHistory file not found: %s\n",fileName);
-	}
-
-	if(file_contents) {
-		split & process & initilize favorites
 	}
 }
 
 void favorites_add(FavoriteItems *favorites, char *newFavorite)
 {
-	favorites->items=realloc(favorites->items, sizeof(char *) * ++favorites->count);
-	favorites->items[favorites->count-1]=newFavorite;
+	if(favorites->count) {
+		favorites->items=realloc(favorites->items, sizeof(char *) * ++favorites->count);
+		favorites->items[favorites->count-1]=strdup(newFavorite);
+		favorites_choose(favorites, newFavorite);
+	} else {
+		favorites->items=malloc(sizeof(char*));
+		favorites->items[0]=strdup(newFavorite);
+		favorites->count=1;
+	}
 
-	favorites_choose(favorites, newFavorite);
 	favorites_save(favorites);
 }
 
@@ -96,15 +114,16 @@ void favorites_choose(FavoriteItems *favorites, char *choice)
 
 void favorites_remove(FavoriteItems *favorites, char *almostDead)
 {
-	// TODO: keept slot you have, just change count
+	// TODO: keep slot you have, just change count
 
 	favorites_save(favorites);
 }
 
 void favorites_save(FavoriteItems *favorites)
 {
-	create/update history file
-
+	if(favorites->count) {
+		// TODO shrink file and rewrite it (can be shorter)
+	}
 }
 
 void favorites_destroy(FavoriteItems *favorites)
diff --git a/src/include/hstr_favorites.h b/src/include/hstr_favorites.h
index 45d4e91..5a91a86 100644
--- a/src/include/hstr_favorites.h
+++ b/src/include/hstr_favorites.h
@@ -15,19 +15,19 @@
 #define ENV_VAR_USER "USER"
 #define ENV_VAR_HOME "HOME"
 
-#define FILE_HH_RC ".hhrc"
+#define FILE_HH_RC ".hh_favorites"
 
 typedef struct {
 	char **items;
 	unsigned count;
+	bool loaded;
 } FavoriteItems;
 
 void favorites_init(FavoriteItems *favorites);
-void favorites_load(FavoriteItems *favorites);
+void favorites_get(FavoriteItems *favorites);
 void favorites_add(FavoriteItems *favorites, char *favorite);
 void favorites_choose(FavoriteItems *favorites, char *choice);
 void favorites_remove(FavoriteItems *favorites, char *almostDead);
-void favorites_save(FavoriteItems *favorites);
 void favorites_destroy(FavoriteItems *favorites);
 
 #endif