Changeset 4bf08aa5 in mainline

Timestamp:

2018-11-30T03:22:03Z (6 years ago)

Author:

Matthieu Riolo <matthieu.riolo@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

55e35a22

Parents:

60c332e

Message:

correcting setting and updating aliases

Location:

uspace/app/bdsh

Files:

• cmds/modules/alias/alias.c (modified) (5 diffs)
• input.c (modified) (2 diffs)
• scli.c (modified) (1 diff)
• scli.h (modified) (1 diff)

uspace/app/bdsh/cmds/modules/alias/alias.c

@@ -21 +21 @@
 
 static const char *cmdname = "alias";
-static const char* alias_format = "%s/%s";
+static const char* alias_format = "%s='%s'\n";
 
-
-/*
-#include <types/adt/odict.h>
-extern void odict_initialize(odict_t *, odgetkey_t, odcmp_t);
-extern void odict_finalize(odict_t *);
-extern void odlink_initialize(odlink_t *);
-extern void odict_insert(odlink_t *, odict_t *, odlink_t *);
-extern void odict_remove(odlink_t *);
-
-extern odlink_t *odict_first(odict_t *);
-extern odlink_t *odict_next(odlink_t *, odict_t *);
-extern odlink_t *odict_find_eq(odict_t *, void *, odlink_t *);
-extern errno_t odict_validate(odict_t *);
-*/
 
 
@@ -51 +37 @@
 }
 
+
 static int print_alias(const char* name)
 {
@@ -62 +49 @@
 
 
-        printf("No alias with the name '%s' exists", name);
+        printf("%s: No alias with the name '%s' exists\n", cmdname, name);
         return CMD_FAILURE;
 }
 
+
 static void set_alias(const char* name, const char* value)
 {
-        
+        odlink_t *alias_link = odict_find_eq(&alias_dict, (void*)name, NULL);
+
+        if (alias_link != NULL) {
+                //update existing value
+                alias_t* data = odict_get_instance(alias_link, alias_t, odict);
+                free(data->value);
+                data->value = str_dup(value);
+
+                printf("%s: update value ", cmdname);
+        }else {
+                //add new value
+                alias_t* data = (alias_t*)calloc(1, sizeof(alias_t));
+                data->name = str_dup(name);
+                data->value = str_dup(value);
+
+                odict_insert(&data->odict, &alias_dict, NULL);
+
+
+                printf("%s: insert value ", cmdname);
+        }
+
+        printf(alias_format, name, value);
 }
 
@@ -78 +87 @@
 void help_cmd_alias(unsigned int level)
 {
-        printf("This is the %s help for '%s'.\n",
-                level ? EXT_HELP : SHORT_HELP, cmdname);
+        printf("Set a new alias with \"alias hex='cat --hex'\". Display an alias with \"alias hex\". List all alias by passing no argument.\n");
         return;
 }
@@ -87 +95 @@
 {
         
-        if (argv[0] == NULL) {
+        if (argv[1] == NULL) {
                 list_aliases();
                 return CMD_SUCCESS;
-        }else if (argv[1] == NULL && strpos(argv[0], "=") == -1) {
-                return print_alias(argv[0]);
+        }else if (argv[2] == NULL && str_chr(argv[1], '=') == NULL) {
+                return print_alias(argv[1]);
         }
-
-
+        
+        //concat all it together
         char* str = (char*)malloc(INPUT_MAX * sizeof(char));
         str[0] = '\0';
 
         size_t i;
-        for(i = 0; argv[i] != NULL; i++) {
-                str = strcat(str, argv[i]);
+        for (i = 1; argv[i] != NULL; i++) {
+                str_append(str, INPUT_MAX - 1, argv[i]);
         }
 
-        
-        
-        set_alias(name, value);
+        //split input
+        char* pos = str_chr(str, '=');
+        if(pos == NULL) {
+                printf("%s: bad formatted input\n", cmdname);
+                return CMD_FAILURE;
+        }
+
+
+        str[pos - str] = '\0';
+        set_alias(str, pos + 1);
+
+        free(str);
         return CMD_SUCCESS;
 }

uspace/app/bdsh/input.c

@@ -171 +171 @@
         }
 
+
+
+        /* test if the passed cmd is an alias 
+        odlink_t *alias_link = odict_find_eq(&alias_dict, (void *)&v, NULL);
+        e = odict_get_instance(alias_link, test_entry_t, alias_dict);
+        if() {
+                char* oldLine = usr->line;
+
+
+                //reprocess input after string replace
+                rc = process_input(usr);
+                usr->line = oldLine;
+                goto finit;
+        }
+        
+        */
+
+
         iostate_t new_iostate = {
                 .stdin = stdin,
@@ -219 +237 @@
                 usr->line = (char *) NULL;
         }
+
         tok_fini(&tok);
         free(tokens_buf);

uspace/app/bdsh/scli.c

@@ -61 +61 @@
 const char *progname = PACKAGE_NAME;
 
-static int alias_cmp(void* a, void* b) {
+static int alias_cmp(void* a, void* b)
+{
         return str_cmp((char*)a, (char*)b);
 }
 
+static void* alias_key(odlink_t *odlink)
+{
+        return (void*)odict_get_instance(odlink, alias_t, odict)->name;
+}
 
 /* These are not exposed, even to builtins */

uspace/app/bdsh/scli.h

@@ -60 +60 @@
 extern odict_t alias_dict;
 
-extern void* alias_key(odlink_t *odlink);
 
 typedef struct {