Add support for Emscripten

1 files changed, 43 insertions, 3 deletions

diff --git a/request.h b/request.h
index a943687..73b26d8 100644
--- a/request.h
+++ b/request.h
@@ -7,18 +7,34 @@
 #include <string.h>
 #include <stdarg.h>
 #include <stdio.h>
+#ifndef __EMSCRIPTEN__
 #include <curl/curl.h>
+#endif
+#include "icclient/typedefs.h"
 
+#ifdef __EMSCRIPTEN__
+extern emscripten_fetch_attr_t attr;
+#else
 extern CURL *curl;
 extern char *server_url;
+#endif
 
-inline void request(size_t (*writefunction)(void *, size_t, size_t, void *),
-		void *writedata, struct curl_httppost *post, char *fmt, ...)
+inline void request(icclient_handler writefunction, void *writedata, 
+#ifdef __EMSCRIPTEN__
+		int
+#else
+		struct curl_httppost *
+#endif
+		post, char *fmt, ...)
 {
 	va_list ap;
 	char *p, *sval;
 	unsigned int ival;
-	size_t length = strlen(server_url) + strlen(fmt);
+	size_t length =
+#ifndef __EMSCRIPTEN__
+		strlen(server_url) +
+#endif
+		strlen(fmt);
 
 	va_start(ap, fmt);
 	for (p = fmt; *p; p++) {
@@ -43,7 +59,11 @@ inline void request(size_t (*writefunction)(void *, size_t, size_t, void *),
 	va_end(ap);
 
 	char url[length + 1];
+#ifdef __EMSCRIPTEN__
+	memset(url, 0, length + 1);
+#else
 	strcpy(url, server_url);
+#endif
 
 	va_start(ap, fmt);
 	for (p = fmt; *p; p++) {
@@ -64,17 +84,36 @@ inline void request(size_t (*writefunction)(void *, size_t, size_t, void *),
 	}
 	va_end(ap);
 
+#ifdef __EMSCRIPTEN__
+	attr.onsuccess = writefunction;
+#else
 	curl_easy_setopt(curl, CURLOPT_URL, url);
 	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writefunction);
+#endif
 	if (writedata)
+#ifdef __EMSCRIPTEN__
+		attr.userData = writedata;
+#else
 		curl_easy_setopt(curl, CURLOPT_WRITEDATA, writedata);
 	else
 		curl_easy_setopt(curl, CURLOPT_WRITEDATA, stdout);
+#endif
 	if (post)
+#ifdef __EMSCRIPTEN__
+		strcpy(attr.requestMethod, "POST");
+#else
 		curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
+#endif
 	else
+#ifdef __EMSCRIPTEN__
+		strcpy(attr.requestMethod, "GET");
+#else
 		curl_easy_setopt(curl, CURLOPT_HTTPGET, 1L);
+#endif
 
+#ifdef __EMSCRIPTEN__
+		emscripten_fetch(&attr, url);
+#else
 #ifdef DEBUG
 	CURLcode res =
 #endif
@@ -87,6 +126,7 @@ inline void request(size_t (*writefunction)(void *, size_t, size_t, void *),
 #else
 		fprintf(stderr, "%s: %s\n", __func__, error);
 #endif
+#endif
 	}
 #endif
 }