Add examples

.gitignore

@@ -1,2 +1,6 @@
 test
 test.exe
+reference.out
+reference.exe
+parse.out
+parse.exe

build.bat

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+gcc url.c examples/reference.c -o reference.exe -Wall -Wextra -ggdb
+gcc url.c examples/parse.c -o parse.exe -Wall -Wextra -ggdb

build.sh

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+gcc url.c examples/reference.c -o reference.out -Wall -Wextra -ggdb
+gcc url.c examples/parse.c -o parse.out -Wall -Wextra -ggdb

examples/parse.c

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+#include <stdio.h>
+#include <string.h>
+#include "../url.h"
+
+int main(void)
+{
+    char src[] = "http://website.com/users/000?filter=no#title";
+
+    URL parsed;
+    int ret = url_parse(src, strlen(src), NULL, 1, &parsed);
+    if (ret < 0) {
+        printf("Couldn't parse base URL\n");
+        return -1;
+    }
+
+    // http
+    printf("scheme=%.*s\n",
+        parsed.scheme.len,
+        parsed.scheme.ptr);
+
+    // (empty)
+    if (parsed.username.len == 0)
+        printf("username=(empty)\n");
+    else
+        printf("username=%.*s\n",
+            parsed.username.len,
+            parsed.username.ptr);
+
+    // (password)
+    if (parsed.password.len == 0)
+        printf("password=(empty)\n");
+    else
+        printf("password=%.*s\n",
+            parsed.password.len,
+            parsed.password.ptr);
+
+    if (parsed.host_type == URL_HOST_EMPTY)
+        printf("host=(empty)\n");
+    else
+        printf("host=%.*s\n",
+            parsed.host_text.len,
+            parsed.host_text.ptr);
+
+    if (parsed.no_port)
+        printf("port=(empty)\n");
+    else
+        printf("port=%d\n", parsed.port);
+
+    printf("path=%.*s\n",
+        parsed.path.len,
+        parsed.path.ptr);
+
+    printf("query=%.*s\n",
+        parsed.query.len,
+        parsed.query.ptr);
+
+    printf("fragment=%.*s\n",
+        parsed.fragment.len,
+        parsed.fragment.ptr);
+
+    return 0;
+}

examples/reference.c

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+#include <stdio.h>
+#include <string.h>
+#include "../url.h"
+
+int main(void)
+{
+    char base[] = "http://website.com/users/000";
+    char ref[] = "../images/cat.png";
+
+    URL parsed_base;
+    int ret = url_parse(base, strlen(base), NULL, 1, &parsed_base);
+    if (ret < 0) {
+        printf("Couldn't parse base URL\n");
+        return -1;
+    }
+
+    char dst[1<<10];
+    ret = url_resolve_reference(ref, strlen(ref), NULL, &parsed_base, 1, dst, (int) sizeof(dst));
+    if (ret < 0) {
+        printf("Couldn't resolve reference\n");
+        return -1;
+    }
+
+    // http://website.com/images/cat.png
+    printf("%.*s\n", ret, dst);
+    return 0;
+}