From e02bfc1854effe0bb55ea6d4320e2b1902eaeae3 Mon Sep 17 00:00:00 2001
From: Martin Kagamino Lehoux <martin@lehoux.net>
Date: Tue, 22 Jul 2025 08:43:23 +0200
Subject: feat(json): Boolean parsing

---
 README.md   |  2 ++
 json.c      |  9 +++++++++
 json.h      |  1 +
 test_json.c | 38 +++++++++++++++++++++++++++-----------
 4 files changed, 39 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index 008e72e..6bc3aea 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,8 @@
 - File structure
 - Static functions for private?
 - JSON float
+- JSON: remove pointer and use bitflag
+- JSON: tagged union for memory
 
 ## Resources
 
diff --git a/json.c b/json.c
index 8a542f5..529dc3a 100644
--- a/json.c
+++ b/json.c
@@ -6,6 +6,7 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <string.h>
 
 #include "json.h"
 #include "string.h"
@@ -190,6 +191,14 @@ parse_any_result parse_any(Arena *a, byte *src, uptr start_pos) {
         parse_object_result object_result = parse_object(a, src, result.pos);
         result.value->object = object_result.object;
         result.pos = object_result.pos;
+    } else if (memcmp(src + result.pos, "true", 4) == 0) {
+        result.value->boolean = new(a, int, 1);
+        *result.value->boolean = 1;
+        result.pos = start_pos + 4;
+    } else if (memcmp(src + result.pos, "false", 5) == 0) {
+        result.value->boolean = new(a, int, 1);
+        *result.value->boolean = 0;
+        result.pos = start_pos + 5;
     }
 
     return result;
diff --git a/json.h b/json.h
index 5d5d703..824c5c6 100644
--- a/json.h
+++ b/json.h
@@ -10,6 +10,7 @@ typedef struct {
     size len;
 } JSONObject;
 typedef struct {
+    int *boolean;
     int *integer;
     Vec *array; // Vec<JSON>
     Str *string;
diff --git a/test_json.c b/test_json.c
index b268685..65891fd 100644
--- a/test_json.c
+++ b/test_json.c
@@ -7,7 +7,7 @@ int test_json_integer() {
     JSON json_int = JSON_parse(&perm, "123");
 
     t_assert(*json_int.integer == 123);
-    t_assert_equal(Arena_get_used(perm), 36);
+    t_assert_equal(Arena_get_used(perm), 44);
     return 0;
 }
 
@@ -29,7 +29,7 @@ int test_json_int_array() {
     t_assert(ints[1] == 2);
     t_assert(ints[2] == 3);
     t_assert(sum == 6);
-    t_assert_equal(Arena_get_used(perm), 384);
+    t_assert_equal(Arena_get_used(perm), 464);
 
     return 0;
 }
@@ -40,7 +40,7 @@ int test_json_empty_array() {
     JSON json_empty_array = JSON_parse(&perm, "[]");
 
     t_assert(json_empty_array.array->len == 0);
-    t_assert_equal(Arena_get_used(perm), 136);
+    t_assert_equal(Arena_get_used(perm), 160);
 
     return 0;
 }
@@ -50,7 +50,7 @@ int test_json_nested_array() {
 
     JSON doc = JSON_parse(&perm, "[[1,\"abc\"]]");
 
-    t_assert_equal(Arena_get_used(perm), 363);
+    t_assert_equal(Arena_get_used(perm), 427);
     JSON sub_array = *Vec_get(doc.array, JSON, 0);
     JSON val_1 = *Vec_get(sub_array.array, JSON, 0);
     t_assert(*val_1.integer == 1);
@@ -58,7 +58,7 @@ int test_json_nested_array() {
     Str str = *val_2.string;
     Str expected = S("abc");
     t_assert(Str_equals(str, expected));
-    t_assert_equal(Arena_get_used(perm), 363);
+    t_assert_equal(Arena_get_used(perm), 427);
 
     return 0;
 }
@@ -68,9 +68,9 @@ int test_json_string() {
 
     JSON js = JSON_parse(&perm, "\"abc\"");
 
-    t_assert_equal(Arena_get_used(perm), 51);
+    t_assert_equal(Arena_get_used(perm), 59);
     t_assert(Str_equals(*js.string, S("abc")));
-    t_assert_equal(Arena_get_used(perm), 51);
+    t_assert_equal(Arena_get_used(perm), 59);
 
     return 0;
 }
@@ -81,7 +81,7 @@ int test_json_empty_object() {
     JSON doc = JSON_parse(&perm, "{}");
 
     t_assert_equal(doc.object->len, 0);
-    t_assert_equal(Arena_get_used(perm), 296);
+    t_assert_equal(Arena_get_used(perm), 320);
 
     return 0;
 }
@@ -91,11 +91,27 @@ int test_json_object() {
 
     JSON doc = JSON_parse(&perm, "{\"key\": \"value\"}");
 
-    t_assert_equal(Arena_get_used(perm), 373);
+    t_assert_equal(Arena_get_used(perm), 405);
     t_assert_equal(doc.object->len, 1);
     t_assert(Str_equals(*Vec_get(&doc.object->keys, Str, 0), S("key")));
-    t_assert(Str_equals(*JSONObject_get(doc.object, S("key"))->string,
-                        S("value"))) t_assert_equal(Arena_get_used(perm), 373);
+    JSON value = *JSONObject_get(doc.object, S("key"));
+    t_assert(Str_equals(*value.string, S("value")));
+    t_assert_equal(Arena_get_used(perm), 405);
+
+    return 0;
+}
+
+int test_json_boolean() {
+    Arena perm = Arena_new(128e3);
+
+    JSON doc = JSON_parse(&perm, "{\"a\": true, \"b\": false}");
+
+    t_assert_equal(Arena_get_used(perm), 460);
+    JSON a = *JSONObject_get(doc.object, S("a"));
+    t_assert(*a.boolean == 1);
+    JSON b = *JSONObject_get(doc.object, S("b"));
+    t_assert(*b.boolean == 0);
+    t_assert_equal(Arena_get_used(perm), 460);
 
     return 0;
 }
-- 
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