diff options
Diffstat (limited to 'src/group.c')
| -rw-r--r-- | src/group.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/src/group.c b/src/group.c new file mode 100644 index 0000000..0c0d5a0 --- /dev/null +++ b/src/group.c @@ -0,0 +1,240 @@ +#include <assert.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "include/entry.h" +#include "include/group.h" +#include "include/read_cfg.h" + +typedef struct group{ + char name[BUF_LEN]; + char program[BUF_LEN]; + char flags[BUF_LEN]; + struct entry *head; + struct entry *tail; + struct group *next; + int entry_count; + bool launcher_quotes; //set by a group option whether or not the launcher should be wrapped by quotes +} GROUP; + +GROUP *groups_head; +GROUP *gp; //pointer to remember last group that was looked at +int group_count = 0; +int total_count = 0; + +GROUP *create_group(char *new_name){ + GROUP *new = malloc(sizeof(GROUP)); + + strcpy(new->name, new_name); //by default, group name is equivalent to the path + strcpy(new->program, "./"); //by default, launch an entry by executing it + new->flags[0] = '\0'; //by default, no command line flags + new->head = NULL; + new->tail = NULL; + new->next = NULL; + new->entry_count = 0; + new->launcher_quotes = true; + + group_count++; + return new; +} + +//add an entry to a group or add a new empty group +//FIXME maybe make this function part of a seperate file to handle a tree (AVL?) +//for now, simple linked list implementation +void group_add(char *gname, ENTRY *addme){ + int i; + GROUP *new; + GROUP *last = NULL; //last element in an existing group list (NULL to start) + + //only adding a new group + if(addme == NULL){ + gp = groups_head; + while(gp != NULL){ + if(!(strcmp(gp->name, gname))){ + printf("config error: %s is already a group!\n", gname); + return; + } + + last = gp; + gp = gp->next; + } + } + + //The previous group is not the same as the new group to add to + if(!(gp != NULL && (!(strcmp(gp->name, gname))))){ + gp = groups_head; + while(gp != NULL){ + //gname matches groups[i]'s name, add entry here + if(!(strcmp(gp->name, gname))) break; + + last = gp; + gp = gp->next; + } + } + + //was unable to find a matching existing group + //need to create new group to insert the entry into + if(gp == NULL){ + new = create_group(gname); + + //first group + if(last == NULL) groups_head = new; + + //add to the end of the groups + else last->next = new; + + gp = new; + } + + //add the entry to the list of entries in the group + if(addme != NULL){ + i = entry_add(gp->head, gp->tail, addme); + switch(i){ + case 1: + gp->head = addme; + break; + + case 2: + gp->tail = addme; + break; + + case 3: + gp->head = addme; + gp->tail = addme; + break; + + } + + gp->entry_count++; + total_count++; + } + + return; +} + +void group_rm(GROUP *g){ + + clear_entries(g->head); + + free(g); + group_count--; + return; +} + +void clean_groups(){ + GROUP *dummy_head; + GROUP *trav; + GROUP *hold; + + if(group_count == 0){ + printf("Error: no groups! "); + refer_to_doc(); + exit(0); + } + + else{ + dummy_head = create_group("dummy"); + dummy_head->next = groups_head; + trav = dummy_head; + + while(trav != NULL){ + //found empty group for removal + if(trav->next != NULL && trav->next->entry_count < 1){ + printf("Omitting empty group \"%s\"\n", trav->next->name); + hold = trav->next; + trav->next = trav->next->next; + group_rm(hold); + } + else trav = trav->next; + } + } + + //ensure groups->head is still correct + groups_head = dummy_head->next; + group_rm(dummy_head); + return; + +} + + +GROUP **get_groups(){ + GROUP **arr = malloc(sizeof(GROUP *) * group_count); + GROUP *trav = groups_head; + int i; + + for(i = 0; i < group_count; i++){ + arr[i] = trav; + trav = trav->next; + } + + return arr; +} + +char *get_gname(GROUP *g){ + assert(g != NULL); + return g->name; +} + +char *get_gprog(GROUP *g){ + assert(g != NULL); + return g->program; +} + +void set_gprog(GROUP *g, char *p){ + assert(g != NULL); + strcpy(g->program, p); + return; +} + +char *get_gflags(GROUP *g){ + assert(g != NULL); + return g->flags; +} + +void set_gflags(GROUP *g, char *p){ + assert(g != NULL); + strcpy(g->flags, p); +} + +ENTRY *get_ghead(GROUP *g){ + assert(g != NULL); + return g->head; +} + +int get_ecount(GROUP *g){ + assert(g != NULL); + return g->entry_count; +} + +void set_ecount(GROUP *g, int new_count){ + assert(g != NULL); + g->entry_count = new_count; +} + +void set_gquotes(GROUP *g, bool b){ + assert(g != NULL); + g->launcher_quotes = b; +} + +bool get_gquotes(GROUP *g){ + return g->launcher_quotes; +} + +int get_gcount(){ + return group_count; +} + +void group_debug(){ + GROUP *trav = groups_head; + + while(trav != NULL){ + entry_debug(trav->head); + printf("\tfrom group %s\n", trav->name); + trav = trav->next; + } + + return; +} |