From e7f83073426cd705ea668d1eb26087019d86ac89 Mon Sep 17 00:00:00 2001
From: nishi <nishi@d27a3e52-49c5-7645-884c-6793ebffc270>
Date: Fri, 26 Jan 2024 04:18:45 +0000
Subject: [PATCH] url support

git-svn-id: file:///raid/svn-main/nishi-libw3/trunk@78 d27a3e52-49c5-7645-884c-6793ebffc270
---
 Example/W3B/w3b.c |  5 ++++
 Library/Makefile  |  2 +-
 Library/URL.c     | 67 +++++++++++++++++++++++++++++++++++++++++++++--
 Library/W3URL.h   |  8 ++++++
 4 files changed, 79 insertions(+), 3 deletions(-)

diff --git a/Example/W3B/w3b.c b/Example/W3B/w3b.c
index 1f2af9a..dc27d3f 100644
--- a/Example/W3B/w3b.c
+++ b/Example/W3B/w3b.c
@@ -5,6 +5,7 @@
  */
 
 #include <W3Core.h>
+#include <W3URL.h>
 #include <W3Util.h> /* It has some useful functions, you know */
 
 #include <stdio.h>
@@ -13,6 +14,10 @@
 #include <stdbool.h>
 
 int main(int argc, char** argv) {
+	W3_Parse_URL("http://nishi.boats");
+	W3_Parse_URL("http://nishi.boats/abc");
+	W3_Parse_URL("nishi.boats");
+	W3_Parse_URL("nishi.boats/abc");
 	int i;
 	char* url = NULL;
 	for(i = 1; i < argc; i++){
diff --git a/Library/Makefile b/Library/Makefile
index fa5afa6..aba3248 100644
--- a/Library/Makefile
+++ b/Library/Makefile
@@ -1,7 +1,7 @@
 # $Id$
 .PHONY: clean install
 
-OBJS = ./Core.o ./Util.o ./DNS.o ./HTTP.o ./File.o
+OBJS = ./Core.o ./Util.o ./DNS.o ./HTTP.o ./File.o ./URL.o
 
 ifeq ($(WINDOWS),YES)
 ./w3.dll: $(OBJS)
diff --git a/Library/URL.c b/Library/URL.c
index 37b1356..579844c 100644
--- a/Library/URL.c
+++ b/Library/URL.c
@@ -1,6 +1,69 @@
 /* $Id$ */
 #include "W3URL.h"
 
-struct W3URL* W3_Parse_URL(const char* url){
-	return NULL;
+#include "W3Util.h"
+
+#include <string.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+struct W3URL* W3_Parse_URL(const char* _url){
+	char* url = __W3_Strdup(_url);
+	__W3_Debug("URL", "Parsing URL");
+	struct W3URL* r = malloc(sizeof(*r));
+	r->protocol = NULL;
+	r->host = NULL;
+	r->path = NULL;
+	if(strlen(url) > 3){
+		int i;
+		bool found = false;
+		for(i = 0; i < strlen(url) - 3; i++){
+			if(url[i] == ':' && url[i + 1] == '/' && url[i + 2] == '/'){
+				found = true;
+				break;
+			}
+		}
+		if(!found){
+			__W3_Debug("URL", "Failed to parse");
+			W3_Free_URL(r);
+			r = NULL;
+		}else{
+			url[i] = 0;
+			char* str = malloc(strlen(url) + 64);
+			sprintf(str, "Protocol is %s", url);
+			__W3_Debug("URL", str);
+			free(str);
+			r->protocol = __W3_Strdup(url);
+			i += 3;
+			int start = i;
+			for(; url[i] != 0; i++){
+				if(url[i] == '/'){
+					r->path = __W3_Strdup(url + i);
+					url[i] = 0;
+					break;
+				}
+			}
+			r->host = __W3_Strdup(url + start);
+			str = malloc(strlen(r->host) + 64);
+			sprintf(str, "Host is %s", r->host);
+			__W3_Debug("URL", str);
+			free(str);
+			if(r->path == NULL) r->path = __W3_Strdup("/");
+			str = malloc(strlen(r->path) + 64);
+			sprintf(str, "Path is %s", r->path);
+			__W3_Debug("URL", str);
+			free(str);
+		}
+	}
+	return r;
+}
+
+void W3_Free_URL(struct W3URL* url){
+	if(url == NULL) return;
+	if(url->protocol != NULL) free(url->protocol);
+	if(url->host != NULL) free(url->host);
+	if(url->path != NULL) free(url->path);
+	free(url);
 }
diff --git a/Library/W3URL.h b/Library/W3URL.h
index 352c642..56d2557 100644
--- a/Library/W3URL.h
+++ b/Library/W3URL.h
@@ -2,6 +2,14 @@
 #ifndef __W3URL_H__
 #define __W3URL_H__
 
+struct W3URL {
+	char* protocol;
+	char* host;
+	int port;
+	char* path;
+};
+
 struct W3URL* W3_Parse_URL(const char* url);
+void W3_Free_URL(struct W3URL* url);
 
 #endif
-- 
2.43.0