xtypes&tableprinter: added parsing of size and tests

[libucw.git] / ucw / opt.c

diff --git a/ucw/opt.c b/ucw/opt.c
index 229a93b7a3168cd275d1b3e25ae43507445b8e6b..713ee784d3f384bbc501553f8d4ab74781ea75ac 100644 (file)
--- a/ucw/opt.c
+++ b/ucw/opt.c
@@ -18,7 +18,7 @@
 #include <alloca.h>
 #include <math.h>
 
-static uns opt_default_value_flags[] = {
+static uint opt_default_value_flags[] = {
     [OPT_CL_BOOL] = OPT_NO_VALUE,
     [OPT_CL_STATIC] = OPT_MAYBE_VALUE,
     [OPT_CL_MULTIPLE] = OPT_REQUIRED_VALUE,
@@ -39,7 +39,7 @@ void opt_failure(const char * mesg, ...) {
 
 static char *opt_name(struct opt_context *oc, struct opt_precomputed *opt)
 {
-  struct opt_item *item = opt->item;
+  const struct opt_item *item = opt->item;
   char *res;
   if (item->letter >= OPT_POSITIONAL_TAIL)
     res = stk_printf("positional argument #%d", oc->positional_count);
@@ -52,12 +52,12 @@ static char *opt_name(struct opt_context *oc, struct opt_precomputed *opt)
 
 #define THIS_OPT opt_name(oc, opt)
 
-void opt_precompute(struct opt_precomputed *opt, struct opt_item *item)
+void opt_precompute(struct opt_precomputed *opt, const struct opt_item *item)
 {
   opt->item = item;
   opt->count = 0;
   opt->name = item->name;
-  uns flags = item->flags;
+  uint flags = item->flags;
 
   if (item->letter >= OPT_POSITIONAL_TAIL) {
     flags &= ~OPT_VALUE_FLAGS;
@@ -71,10 +71,10 @@ void opt_precompute(struct opt_precomputed *opt, struct opt_item *item)
   opt->flags = flags;
 }
 
-static void opt_invoke_hooks(struct opt_context *oc, uns event, struct opt_item *item, char *value)
+static void opt_invoke_hooks(struct opt_context *oc, uint event, const struct opt_item *item, char *value)
 {
   for (int i = 0; i < oc->hook_count; i++) {
-    struct opt_item *hook = oc->hooks[i];
+    const struct opt_item *hook = oc->hooks[i];
     if (hook->flags & event) {
       void *data = (hook->flags & OPT_HOOK_INTERNAL) ? oc : hook->ptr;
       hook->u.hook(item, event, value, data);
@@ -83,7 +83,7 @@ static void opt_invoke_hooks(struct opt_context *oc, uns event, struct opt_item
 }
 
 static struct opt_precomputed * opt_find_item_longopt(struct opt_context * oc, char * str) {
-  uns len = strlen(str);
+  uint len = strlen(str);
   struct opt_precomputed * candidate = NULL;
 
   for (int i = 0; i < oc->opt_count; i++) {
@@ -126,7 +126,7 @@ static struct opt_precomputed * opt_find_item_longopt(struct opt_context * oc, c
 }
 
 static void opt_parse_value(struct opt_context * oc, struct opt_precomputed * opt, char * value) {
-  struct opt_item * item = opt->item;
+  const struct opt_item * item = opt->item;
 
   if (opt->count++ && (opt->flags & OPT_SINGLE))
     opt_failure("Option %s must be specified at most once.", THIS_OPT);
@@ -225,6 +225,9 @@ static void opt_parse_value(struct opt_context * oc, struct opt_precomputed * op
        item->u.call(item, value, data);
        break;
       }
+    case OPT_CL_BREAK:
+      oc->stop_parsing = 2;
+      break;
     default:
       ASSERT(0);
   }
@@ -235,7 +238,7 @@ static void opt_parse_value(struct opt_context * oc, struct opt_precomputed * op
 static int opt_longopt(struct opt_context * oc, char ** argv, int index) {
   int eaten = 0;
   char * name_in = argv[index] + 2; // skipping the -- on the beginning
-  uns pos = strchrnul(name_in, '=') - name_in;
+  uint pos = strchrnul(name_in, '=') - name_in;
   struct opt_precomputed * opt = opt_find_item_longopt(oc, strndupa(name_in, pos));
   char * value = NULL;
 
@@ -311,7 +314,7 @@ static int opt_shortopt(struct opt_context * oc, char ** argv, int index) {
 
 static void opt_positional(struct opt_context * oc, char * value) {
   oc->positional_count++;
-  uns id = oc->positional_count > oc->positional_max ? OPT_POSITIONAL_TAIL : OPT_POSITIONAL(oc->positional_count);
+  uint id = oc->positional_count > oc->positional_max ? OPT_POSITIONAL_TAIL : OPT_POSITIONAL(oc->positional_count);
   struct opt_precomputed * opt = oc->shortopt[id];
   if (!opt)
     opt_failure("Too many positional arguments.");
@@ -338,7 +341,7 @@ static void opt_count_items(struct opt_context *oc, const struct opt_section *se
 
 static void opt_prepare_items(struct opt_context *oc, const struct opt_section *sec)
 {
-  for (struct opt_item *item = sec->opt; item->cls != OPT_CL_END; item++) {
+  for (const struct opt_item *item = sec->opt; item->cls != OPT_CL_END; item++) {
     if (item->cls == OPT_CL_SECTION)
       opt_prepare_items(oc, item->u.section);
     else if (item->cls == OPT_CL_HOOK)
@@ -357,7 +360,7 @@ static void opt_check_required(struct opt_context *oc)
   for (int i = 0; i < oc->opt_count; i++) {
     struct opt_precomputed *opt = &oc->opts[i];
     if (!opt->count && (opt->flags & OPT_REQUIRED)) {
-      struct opt_item *item = opt->item;
+      const struct opt_item *item = opt->item;
       if (item->letter > OPT_POSITIONAL_TAIL)
        opt_failure("Required positional argument #%d not found.", item->letter - OPT_POSITIONAL_TAIL);
       else if (item->letter == OPT_POSITIONAL_TAIL)
@@ -388,8 +391,9 @@ int opt_parse(const struct opt_section * options, char ** argv) {
   opt_prepare_items(oc, options);
 
   int force_positional = 0;
-  int i;
+  int i, start_i = 0;
   for (i=0; argv[i] && !oc->stop_parsing; i++) {
+    start_i = i;
     char *arg = argv[i];
     opt_invoke_hooks(oc, OPT_HOOK_BEFORE_ARG, NULL, NULL);
     if (arg[0] != '-' || force_positional)
@@ -409,5 +413,5 @@ int opt_parse(const struct opt_section * options, char ** argv) {
 
   opt_check_required(oc);
   opt_invoke_hooks(oc, OPT_HOOK_FINAL, NULL, NULL);
-  return i;
+  return (oc->stop_parsing < 2 ? i : start_i);
 }