/* parses compile options of a port through scan for all
.if defined or .if !defined in port's Makefile */
List *
parse_options(char *mkfile) {
FILE *fd;
char line[MAX_TOKEN];
char option[MAX_PATH];
char *start;
char *end;
List *l;
TNode *t = NULL;
extern void *exists;
int i;
if ((fd = fopen(mkfile, "r")) == NULL)
return NULL; /* error */
/* init */
l = (List *)malloc(sizeof(List));
l->head = NULL;
l->tail = NULL;
l->num_of_items = 0;
while (fgets(line, MAX_TOKEN, fd) != NULL) {
if ((strstr(line, ".if") != NULL) &&
(strstr(line, "defined") != NULL)) {
Option *opt = (Option *)malloc(sizeof(Option));
opt->type = OPTION;
opt->state = STATE_NOT_SELECTED;
i = 0;
start = strpbrk(line, "({");
start++;
end = strpbrk(line, ")}");
while (start != end)
option[i++] = *start++;
option[i] = '\0';
sprintf(line, "%-.50s (port specific compile option)", option);
opt->name = strdup(line);
sprintf(line, "%s=yes", option);
opt->arg = strdup(line);
exists = NULL;
t = add_tree_item(t, opt, cmp_name);
if (exists != NULL) { /* option does exist */
/* clean up */
free(opt->name);
free(opt->arg);
free(opt);
}
}
}
fclose(fd);
create_inorder_list(l, t);
return l;
}
static void update_node(tree** t, tree* p,
int (*compare_keys)(const void* key1, const void* key2)) {
/*overwrite existing node item with new node item */
add_tree_item(*t, p->item, p->item_sz);
/*copy node key then delete old key*/
void* key = malloc(p->key_sz);
int key_sz = p->key_sz;
memcpy(key, p->key, p->key_sz);
delete_tree(t, p->key, compare_keys); /*delete before re-assignment of key*/
free((*t)->key);
(*t)->key = key;
(*t)->key_sz = key_sz;
}
/* adds a category in sorted order if it does not already exist,
returns pointer of the new or existing category with name
"name" */
Category *
add_category(char *name, List *lpdir) {
extern TNode *tcat;
extern void *exists;
Category *newcat = NULL;
newcat = (Category *)malloc(sizeof(Category));
newcat->type = CATEGORY;
newcat->name = strdup(name);
exists = NULL;
tcat = add_tree_item(tcat, newcat, cmp_name);
if (exists != NULL) { /* category does exist */
/* clean up */
free(newcat->name);
free(newcat);
/* use existing pointer for return */
newcat = (Category *)((TNode *)exists)->item;
} else { /* category does not exist yet */
/* check, if this category is a meta category or not */
Iter itr = lpdir->head;
while (itr != NULL) {
if (strcmp((char *)itr->item, name) == 0)
/* physically existing */
break;
itr = itr->next;
}
newcat->meta = (itr == NULL) ? TRUE : FALSE;
newcat->num_of_ports = 0;
newcat->num_of_inst_ports = 0;
newcat->num_of_marked_ports = 0;
newcat->num_of_inst_ports = 0;
newcat->num_of_deinst_ports = 0;
newcat->lprts = (List *)malloc(sizeof(List));
newcat->lprts->num_of_items = 0;
newcat->lprts->head = NULL;
newcat->lprts->tail = NULL;
}
return newcat;
}
/* creates linear list of dir names,
returns list of directories */
TNode *
parse_dir(char *path) {
struct dirent *dp;
DIR *dfd;
TNode *t = NULL;
/* if the directory doesn't exist or there is another reason,
it returns NULL */
if ((dfd = opendir(path)) == NULL) return NULL;
/* generates entries */
while ((dp = readdir(dfd)) != NULL) {
/* exlude hidden files or "." and ".." */
if ((dp->d_name)[0] != '.') {
t = add_tree_item(t, strdup(dp->d_name), cmp_str);
}
}
closedir(dfd);
/* finished */
/* number of entries */
return t;
}
/* parses the FreeBSD ports INDEX file and creates a
list of categories with dedicated ports, it also creates
a meta-category "all", all lists and categories are
sorted ascending. */
int
parse_index()
{
FILE *fd;
int c, i, readyToken;
int pipes = 0;
char tok[MAX_TOKEN];
extern Config config;
extern List *lprts;
extern List *lcats;
extern void *exists;
extern TNode *tcat;
TNode *tdirs;
TNode *tprt = NULL;
List *lpdir = (List *)malloc(sizeof(List));
Port *p, *dprt;
int num_of_inst_ports = 0;
/* init */
p = NULL;
tcat = NULL;
lpdir->num_of_items = 0;
lpdir->head = NULL;
lpdir->tail = NULL;
if ((fd = fopen(config.index_file, "r")) == NULL)
return ERROR_OPEN_INDEX; /* error */
/* parse installed pkgs */
tdirs = parse_dir(config.inst_pkg_dir);
/* parse ports dir and create list */
create_inorder_list(lpdir, parse_dir(config.ports_dir));
i = 0;
readyToken = 0; /* token not ready */
while (feof(fd) == 0) {
c = fgetc(fd); /* get next char */
switch (c) {
case '|': /* next token */
readyToken = 1; /* ready token */
break;
case '\n': /* end of port */
#if defined(__FreeBSD__)
if (pipes != PORT_URL) /* seems to be some strange INDEX */
return ERROR_CORRUPT_INDEX;
#endif
readyToken = 1; /* tail token of port ready */
break;
default:
if ((pipes != PORT_CATEGORY) && (pipes != PORT_BUILD_DEPENDENCY)
&& (pipes != PORT_RUN_DEPENDENCY))
/* default, no port category, build dep or run dep modus */
tok[i++] = (char)c;
break;
}
/* to speed up the parsing, we also parse categories here,
I guessed if it'll be senseful to also parse BDEP and RDEP,
but this makes no sense until there aren't all entries
scanned */
if (pipes == PORT_CATEGORY) { /* port category mode */
if ((c == ' ') || (c == '|')) {
if (i > 0) { /* maybe there're ports without a category */
tok[i] = '\0'; /* terminate current cat token */
add_list_item(p->lcats, add_category(tok, lpdir));
i = 0; /* reset i */
}
} else { /* inside a token */
tok[i++] = (char)c;
}
} else if ((pipes == PORT_BUILD_DEPENDENCY) ||
(pipes == PORT_RUN_DEPENDENCY)) { /* port build/run dep mode */
if ((c == ' ') || (c == '|')) {
if (i > 0) { /* maybe there're ports without a build dep */
tok[i] = '\0';
dprt = create_port(tok, tdirs);
exists = NULL;
tprt = add_tree_item(tprt, dprt, cmp_name);
if (exists != NULL) {
free_port(dprt);
dprt = (Port *)((TNode *)exists)->item;
} else {
if (dprt->state >= STATE_INSTALLED)
num_of_inst_ports++;
}
if (pipes == PORT_BUILD_DEPENDENCY) {
add_list_item(p->lbdep, dprt);
} else if (pipes == PORT_RUN_DEPENDENCY) {
add_list_item(p->lrdep, dprt);
}
/* add also p to dprt->ldep, so that dprt knows
the port for which dprt is a dependency, this
helps seeking for unused ports */
add_list_item(dprt->ldep, p);
i = 0; /* reset i */
}
} else { /* inside a token */
tok[i++] = (char)c;
}
}
if (readyToken == 1) { /* a new token is ready */
tok[i] = '\0'; /* terminate current token */
switch (pipes) {
case PORT_NAME_VERSION:
p = create_port(tok, tdirs);
/* add the port */
exists = NULL;
tprt = add_tree_item(tprt, p, cmp_name);
if (exists != NULL) {
free_port(p);
p = (Port *)((TNode *)exists)->item;
} else {
if (p->state >= STATE_INSTALLED)
num_of_inst_ports++;
}
break;
case PORT_PATH:
p->path = strdup(tok);
break;
#if defined(__FreeBSD__)
case PORT_INSTALL_PREFIX:
p->instpfx = strdup(tok);
break;
#endif
case PORT_DESCR:
p->descr = strdup(tok);
break;
case PORT_PKGDESCR:
p->pathpkgdesc = strdup(tok);
break;
case PORT_MAINTAINER:
p->maintainer = strdup(tok);
break;
#if defined(__FreeBSD__)
case PORT_URL:
p->url = strdup(tok);
pipes = -1;
break;
#endif
}
readyToken = i = 0; /* token processed, not ready token anymore */
pipes++;
}
}
fclose(fd); /* close INDEX file */
create_inorder_list(lcats, tcat);
create_inorder_list(lprts, tprt);
create_categories(num_of_inst_ports);
free_tree(tdirs);
/* finished */
return (0);
}
