From f5d0b7438be4f70a17841e7735a82d612d2ba596 Mon Sep 17 00:00:00 2001
From: Mitya Selivanov <automainint@guattari.tech>
Date: Sat, 20 Jan 2024 15:35:36 +0100
Subject: xml: property

---
 source/kit/xml.c        | 33 +++++++++++++++++++++++++++++----
 source/kit/xml.h        | 12 ++++++++----
 source/tests/xml.test.c | 19 +++++++++++++++++++
 3 files changed, 56 insertions(+), 8 deletions(-)

(limited to 'source')

diff --git a/source/kit/xml.c b/source/kit/xml.c
index 399cc5f..fbe4ec2 100644
--- a/source/kit/xml.c
+++ b/source/kit/xml.c
@@ -4,9 +4,9 @@
 #include <assert.h>
 
 typedef struct {
-  ib_token_t        last;
-  kit_str_builder_t text;
-  kit_da_xml_t      tags;
+  ib_token_t    last;
+  str_builder_t text;
+  kit_da_xml_t  tags;
 } kit_xml_intermediate_t;
 
 static s32 kit_xml_alloc_and_unescape_(str_builder_t *dst, str_t str,
@@ -270,7 +270,7 @@ static kit_xml_intermediate_t kit_xml_parse_buf_(
   return res;
 }
 
-kit_xml_parse_result_t kit_xml_parse(kit_is_handle_t  is,
+kit_xml_parse_result_t kit_xml_parse(is_handle_t      is,
                                      kit_allocator_t *alloc) {
   input_buffer_t         ib = ib_wrap(is, alloc);
   kit_xml_intermediate_t im = kit_xml_parse_buf_(ib_token(&ib),
@@ -370,6 +370,31 @@ kit_xml_text_t kit_xml_full_text(kit_xml_t       *xml,
   return res;
 }
 
+b8 kit_xml_has_property(kit_xml_t *xml, kit_str_t name) {
+  assert(xml != NULL);
+  if (xml == NULL)
+    return 0;
+
+  for (i64 i = 0; i < xml->properties.size; i++)
+    if (AR_EQUAL(xml->properties.values[i].name, name))
+      return 1;
+
+  return 0;
+}
+
+str_t kit_xml_property(kit_xml_t *xml, str_t name) {
+  assert(xml != NULL);
+  if (xml == NULL)
+    return str(0, NULL);
+
+  for (i64 i = 0; i < xml->properties.size; i++)
+    if (AR_EQUAL(xml->properties.values[i].name, name))
+      return WRAP_STR(xml->properties.values[i].value);
+
+  assert(0);
+  return str(0, NULL);
+}
+
 void kit_xml_destroy(kit_xml_t *xml) {
   assert(xml != NULL);
   if (xml == NULL)
diff --git a/source/kit/xml.h b/source/kit/xml.h
index fab1d1d..fdc9536 100644
--- a/source/kit/xml.h
+++ b/source/kit/xml.h
@@ -42,6 +42,8 @@ kit_xml_parse_result_t kit_xml_parse(kit_is_handle_t  is,
 kit_xml_text_t kit_xml_print(kit_xml_t *xml, kit_allocator_t *alloc);
 kit_xml_text_t kit_xml_full_text(kit_xml_t       *xml,
                                  kit_allocator_t *alloc);
+b8             kit_xml_has_property(kit_xml_t *xml, kit_str_t name);
+kit_str_t      kit_xml_property(kit_xml_t *xml, kit_str_t name);
 void           kit_xml_destroy(kit_xml_t *xml);
 
 #ifdef __cplusplus
@@ -49,14 +51,16 @@ void           kit_xml_destroy(kit_xml_t *xml);
 #endif
 
 #ifndef KIT_DISABLE_SHORT_NAMES
-#  define xml_parse kit_xml_parse
-#  define xml_print kit_xml_print
-#  define xml_full_text kit_xml_full_text
-#  define xml_destroy kit_xml_destroy
 #  define xml_t kit_xml_t
 #  define xml_property_t kit_xml_property_t
 #  define xml_parse_result_t kit_xml_parse_result_t
 #  define xml_text_t kit_xml_text_t
+#  define xml_parse kit_xml_parse
+#  define xml_print kit_xml_print
+#  define xml_full_text kit_xml_full_text
+#  define xml_has_property kit_xml_has_property
+#  define xml_property kit_xml_property
+#  define xml_destroy kit_xml_destroy
 #endif
 
 #endif
diff --git a/source/tests/xml.test.c b/source/tests/xml.test.c
index 4c72d28..1534030 100644
--- a/source/tests/xml.test.c
+++ b/source/tests/xml.test.c
@@ -406,4 +406,23 @@ TEST("xml full text") {
   is_destroy(is);
 }
 
+TEST("xml property") {
+  is_handle_t is = IS_WRAP_STRING(
+      SZ("<tag foo=\"123\" bar=\"456\" />"));
+  xml_parse_result_t res = xml_parse(is, NULL);
+
+  REQUIRE_EQ(res.status, KIT_OK);
+
+  if (res.status == KIT_OK) {
+    REQUIRE_EQ(xml_has_property(&res.xml, SZ("foo")), 1);
+    REQUIRE_EQ(xml_has_property(&res.xml, SZ("bar")), 1);
+    REQUIRE_EQ(xml_has_property(&res.xml, SZ("buz")), 0);
+    REQUIRE(AR_EQUAL(xml_property(&res.xml, SZ("foo")), SZ("123")));
+    REQUIRE(AR_EQUAL(xml_property(&res.xml, SZ("bar")), SZ("456")));
+    xml_destroy(&res.xml);
+  }
+
+  is_destroy(is);
+}
+
 #undef KIT_TEST_FILE
-- 
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