From 180c90e48f1d24352d25965a6d880b762c0c4d84 Mon Sep 17 00:00:00 2001
From: Federico Angelilli <code@fedang.net>
Date: Thu, 6 Jun 2024 21:40:59 +0200
Subject: Add custom type format to log_value

---
 test/log.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'test')

diff --git a/test/log.c b/test/log.c
index d5d7d34..5b6293d 100644
--- a/test/log.c
+++ b/test/log.c
@@ -14,9 +14,30 @@
 #define ANY_LOG_VALUE_PTR(key, value) "\"%s\": \"%p\"", key, value
 #define ANY_LOG_VALUE_DOUBLE(key, value) "\"%s\": %lf", key, value
 #define ANY_LOG_VALUE_STRING(key, value) "\"%s \": \"%s\"", key, value
+#define ANY_LOG_VALUE_CUSTOM(key, stream, formatter, value) \
+    do { \
+        fprintf(stream, "\"%s\": ", key); \
+        formatter(stream, value); \
+    } while (false)
 #define ANY_LOG_VALUE_AFTER(level, module, func, message) "}\n"
 #include "any_log.h"
 
+struct pair {
+    const char *s1, *s2;
+};
+
+void pairs_format(FILE *stream, struct pair *pairs)
+{
+    fprintf(stream, "[");
+    while (pairs->s1 && pairs->s2) {
+        fprintf(stream, "%s -> %s", pairs->s1, pairs->s2);
+        pairs++;
+        if (pairs->s1 && pairs->s2)
+            fprintf(stream, ", ");
+    }
+    fprintf(stream, "]");
+}
+
 int main()
 {
     any_log_init(stdout, ANY_LOG_DEBUG);
@@ -59,12 +80,20 @@ int main()
             "f:dbl", 20.3333,
             "p:a", NULL);
 
+    struct pair pairs[] = {
+        { "v", "v2" },
+        { "p", "xp" },
+        { "23", "42" },
+        { NULL, NULL },
+    };
+
     log_value_info("Created graphical context",
                    "d:width", 100,
                    "d:height", 200,
                    "p:window", NULL,
                    "f:scale", 1.23,
                    "b:hidden", true,
+                   "c:pairs", ANY_LOG_FORMATTER(pairs_format), pairs,
                    "appname", "nice app");
 
     // Test any_log_format
-- 
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