From d2a32ee517c5359a9b38909062bad28266cc63d4 Mon Sep 17 00:00:00 2001
From: nishi <nishi@d27a3e52-49c5-7645-884c-6793ebffc270>
Date: Mon, 29 Jan 2024 00:35:10 +0000
Subject: [PATCH] tag parsing

git-svn-id: file:///raid/svn-main/nishi-libw3/trunk@128 d27a3e52-49c5-7645-884c-6793ebffc270
---
 Example/w3b/w3b.c |  5 +++++
 Library/Tag.c     | 38 +++++++++++++++++++++++++++++++++++++-
 2 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/Example/w3b/w3b.c b/Example/w3b/w3b.c
index 07f7c87..4f14aaa 100644
--- a/Example/w3b/w3b.c
+++ b/Example/w3b/w3b.c
@@ -95,6 +95,11 @@ void access_site(const char* url) {
 }
 
 void html_handler(char* tagname, char** attr){
+	printf("<%s>\n", tagname);
+	if(attr != NULL){
+		int i;
+		for(i = 0; attr[i] != NULL; i++) printf("%s\n", attr[i]);
+	}
 }
 
 void render_site(){
diff --git a/Library/Tag.c b/Library/Tag.c
index 948a2b6..3c15a7e 100644
--- a/Library/Tag.c
+++ b/Library/Tag.c
@@ -1,7 +1,43 @@
 /* $Id$ */
 #include "W3Tag.h"
 
+#include "W3Util.h"
+
 #include <stddef.h>
+#include <stdlib.h>
 
-void W3_Tag_Parse(char* data, size_t size, void(*func)(char* tagname, char** attr)){
+void W3_Tag_Parse(char* data, size_t size, void(*tagfunc)(char* tagname, char** attr)){
+	int i;
+	int phase = 0;
+	char* tagn = malloc(1);
+	tagn[0] = 0;
+	char* cbuf = malloc(2);
+	cbuf[1] = 0;
+	char* attrlist = NULL;
+	for(i = 0; i < size; i++){
+		if(phase == 1 && data[i] != ' ' && data[i] != '>'){
+			cbuf[0] = data[i];
+			char* tmp = tagn;
+			tagn = __W3_Concat(tmp, cbuf);
+			free(tmp);
+		}
+		if(phase == 0 && data[i] == '<'){
+			phase = 1;
+			free(tagn);
+			tagn = malloc(1);
+			tagn[0] = 0;
+		}else if(phase == 1 && (data[i] == ' ' || data[i] == '>')){
+			if(data[i] == ' '){
+				phase = 2;
+			}else if(data[i] == '>'){
+				tagfunc(tagn, NULL);
+				phase = 0;
+			}
+		}else if(phase == 2 && data[i] == '>'){
+			tagfunc(tagn, attrlist);
+			phase = 0;
+		}
+	}
+	free(tagn);
+	free(cbuf);
 }
-- 
2.43.0