From ee081ca70322cd01d0642fdb1860e6bfbfb48e85 Mon Sep 17 00:00:00 2001
From: steven-vd <steven@vandorp.lu>
Date: Sun, 16 Aug 2026 15:00:32 +0200
Subject: Initial commit

---
 examples/c89.c    | 33 ++++++++++++++++++++++++++
 examples/nolibc.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 examples/simple.c | 27 +++++++++++++++++++++
 3 files changed, 131 insertions(+)
 create mode 100644 examples/c89.c
 create mode 100644 examples/nolibc.c
 create mode 100644 examples/simple.c

(limited to 'examples')

diff --git a/examples/c89.c b/examples/c89.c
new file mode 100644
index 0000000..4b0eaf6
--- /dev/null
+++ b/examples/c89.c
@@ -0,0 +1,33 @@
+#include <assert.h>
+#include <stdio.h>
+#define ASSERT assert
+#define IMXML_SIMD_DEFAULT SSE2
+#define IMXML_IMPLEMENTATION
+#include "imxml.h"
+
+int main (void) {
+    ImxmlString s, from, to, msg;
+    XmlContent content;
+    ImxmlCharSequence const xml = "<msg from=\"John\" to=\"Jane\">Hello, World!</msg>"IMXML_LIT_PAD;
+    XmlParser p = {0};
+    p.head = xml;
+
+    imxml_strlit89(s, "msg");
+    assert(xml_tag_expect_str(&p, s));
+    imxml_strlit89(s, "from");
+    assert(xml_attr_expect_str(&p, s));
+    from = xml_value(&p);
+    imxml_strlit89(s, "to");
+    assert(xml_attr_expect_str(&p, s));
+    to = xml_value(&p);
+
+    content = xml_content(&p);
+    assert(content.type == XML_CONTENT_TEXT);
+    msg = content.data;
+    assert(xml_content(&p).type == XML_CONTENT_TAG);
+
+    printf("%.*s->%.*s: '%.*s'\n", (int)from.count, from.items, (int)to.count, to.items, (int)msg.count, msg.items);
+
+    return 0;
+}
+
diff --git a/examples/nolibc.c b/examples/nolibc.c
new file mode 100644
index 0000000..1a68383
--- /dev/null
+++ b/examples/nolibc.c
@@ -0,0 +1,71 @@
+#define assert(X) do { if (!(X)) __asm__("int3"); } while (0)
+
+#define IMXML_SIMD_DEFAULT SCALAR
+#define IMXML_NO_SUPPORT_SINGLE_QUOTES
+#define IMXML_NO_SUPPORT_COMMENTS
+#define IMXML_NO_SUPPORT_CDATA
+#define IMXML_NO_SUPPORT_ENTITIES
+#define IMXML_NO_SUPPORT_NAMESPACES
+#define THREADLOCAL
+#define IMXML_NO_CHECK_BOUNDS
+
+#define IMXML_IMPLEMENTATION
+#include "imxml.h"
+
+// some compilers require memset to be present
+void* memset (void* s, int c, size_t n) {
+    for (size_t i = 0; i < n; ++i) {
+        ((char*)s)[i] = c;
+    }
+    return s;
+}
+
+static void write (ImxmlString s) {
+    long ret;
+    __asm__ volatile(
+        "syscall"
+        : "=a"(ret)
+        : "a"(1), "D"(1), "S"(s.items), "d"(s.count)
+        : "rcx", "r11", "memory"
+    );
+}
+
+void start (void) {
+    static ImxmlCharSequence xml = "<msg from=\"John\" to=\"Jane\">Hello, World!</msg>"IMXML_LIT_PAD;
+
+    XmlParser p = {
+        .head = xml,
+    };
+
+    assert(xml_tag_expect(&p, "msg"));
+    assert(xml_attr_expect(&p, "from"));
+    ImxmlString const from = xml_value(&p);
+    assert(xml_attr_expect(&p, "to"));
+    ImxmlString const to = xml_value(&p);
+
+    XmlContent content = xml_content(&p);
+    assert(content.type == XML_CONTENT_TEXT);
+    ImxmlString const msg = content.data;
+
+    write(from);
+    write(imxml_strlit("->"));
+    write(to);
+    write(imxml_strlit(": "));
+    write(msg);
+    write(imxml_strlit("\n"));
+
+    __asm__ volatile(
+        "syscall\n"
+        :
+        : "a"(60), "D"(0)
+        : "rcx", "r11", "memory"
+    );
+}
+
+void _start (void) {
+    __asm__ volatile (
+        "andq $-16, %rsp\n" // required because the compiler emits aligned stack loads later
+        "call start\n"
+    );
+}
+
diff --git a/examples/simple.c b/examples/simple.c
new file mode 100644
index 0000000..caacc83
--- /dev/null
+++ b/examples/simple.c
@@ -0,0 +1,27 @@
+#include <assert.h>
+#include <stdio.h>
+#define ASSERT assert
+#define IMXML_SIMD_DEFAULT SSE2
+#define IMXML_IMPLEMENTATION
+#include "imxml.h"
+
+int main (void) {
+    ImxmlCharSequence const xml = "<msg from=\"John\" to=\"Jane\">Hello, World!</msg>"IMXML_LIT_PAD;
+    XmlParser p = {
+        .head = xml,
+    };
+
+    assert(xml_tag_expect(&p, "msg"));
+    assert(xml_attr_expect(&p, "from"));
+    ImxmlString const from = xml_value(&p);
+    assert(xml_attr_expect(&p, "to"));
+    ImxmlString const to = xml_value(&p);
+
+    XmlContent content = xml_content(&p);
+    assert(content.type == XML_CONTENT_TEXT);
+    ImxmlString msg = content.data;
+    assert(xml_content(&p).type == XML_CONTENT_TAG);
+
+    printf("%.*s->%.*s: '%.*s'\n", (int)from.count, from.items, (int)to.count, to.items, (int)msg.count, msg.items);
+}
+
-- 
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