Implement multiline and hints support

[linenoise.git] / example.c

diff --git a/example.c b/example.c
index f6ce462e6b10710997ba3b3804277f9859bbd652..971ac31def48e6ba975537360217f32cf795626b 100644 (file)
--- a/example.c
+++ b/example.c
@@ -10,12 +10,20 @@ void completion(const char *buf, linenoiseCompletions *lc, void *userdata) {
         linenoiseAddCompletion(lc,"hello there");
     }
 }
+
+char *hints(const char *buf, int *color, int *bold, void *userdata) {
+    if (!strcasecmp(buf,"hello")) {
+        *color = 35;
+        *bold = 0;
+        return " World";
+    }
+    return NULL;
+}
 #endif
 
 int main(int argc, char *argv[]) {
+    const char *prompt = "hello> ";
     char *line;
-#ifdef HAVE_MULTILINE
-    /* Note: multiline support has not yet been integrated */
     char *prgname = argv[0];
 
     /* Parse options, with --multiline we enable multi line editing. */
@@ -25,17 +33,23 @@ int main(int argc, char *argv[]) {
         if (!strcmp(*argv,"--multiline")) {
             linenoiseSetMultiLine(1);
             printf("Multi-line mode enabled.\n");
+        } else if (!strcmp(*argv,"--fancyprompt")) {
+            prompt = "\x1b[1;31m\xf0\xa0\x8a\x9d-\xc2\xb5hello>\x1b[0m ";
+        } else if (!strcmp(*argv,"--prompt") && argc > 1) {
+            argc--;
+            argv++;
+            prompt = *argv;
         } else {
-            fprintf(stderr, "Usage: %s [--multiline]\n", prgname);
+            fprintf(stderr, "Usage: %s [--multiline] [--fancyprompt] [--prompt text]\n", prgname);
             exit(1);
         }
     }
-#endif
 
 #ifndef NO_COMPLETION
     /* Set the completion callback. This will be called every time the
      * user uses the <tab> key. */
     linenoiseSetCompletionCallback(completion, NULL);
+    linenoiseSetHintsCallback(hints, NULL);
 #endif
 
     /* Load history from file. The history file is just a plain text file
@@ -48,7 +62,7 @@ int main(int argc, char *argv[]) {
      *
      * The typed string is returned as a malloc() allocated string by
      * linenoise, so the user needs to free() it. */
-    while((line = linenoise("hello> ")) != NULL) {
+    while((line = linenoise(prompt)) != NULL) {
         /* Do something with the string. */
         if (line[0] != '\0' && line[0] != '/') {
             printf("echo: '%s'\n", line);