From b6858640ec6ca17dc746863d1e92cb2452253d7d Mon Sep 17 00:00:00 2001
From: bpc2003 <wpesfriendnva@gmail.com>
Date: Mon, 5 May 2025 16:51:27 -0400
Subject: Get started on XML decoder

---
 src/include/xml/decode.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/include/xml/decode.c

(limited to 'src/include/xml/decode.c')

diff --git a/src/include/xml/decode.c b/src/include/xml/decode.c
new file mode 100644
index 0000000..f072ae7
--- /dev/null
+++ b/src/include/xml/decode.c
@@ -0,0 +1,57 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include "xml.h"
+
+static char *gettag(char *xml, int *pos);
+
+map_t *decode(char *xml, int *len)
+{
+  map_t *decoded = calloc(1, sizeof(map_t));
+  *len = 1;
+  
+  int closed = 0;
+  char *title = NULL, *tmp;
+  for (int i = 0, j = 0; i < strlen(xml); ++i) {
+    switch (xml[i]) {
+      case '<':
+        ++i;
+        if (xml[i] == '/') {
+          ++i;
+          if (!strcmp(title, (tmp = gettag(xml, &i))))
+            closed = 1;
+          else {
+            free(tmp);
+            return NULL;
+          }
+          free(tmp);
+        } else {
+          if (title != NULL)
+            free(title);
+          closed = 0;
+          title = gettag(xml, &i);
+        }
+        printf("%s\n", title);
+        break;
+      case '>':
+        // TODO: make this recursive
+        if (xml[i + 1] == '<')
+          printf("nested tag\n");
+        else
+          ;
+        break;
+    }
+  }
+  free(title);
+  return decoded;
+}
+
+static char *gettag(char *xml, int *pos)
+{
+  int len, i;
+  for (i = *pos, len = 0; xml[i] != '>'; ++i, ++len) ;
+  char *title = calloc(len + 1, sizeof(char));
+  strncpy(title, xml + *pos, len);
+  *pos += i - 2;
+  return title;
+}
-- 
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