partial revert of 48105b0

see 48105b0
that commit broke reading correct BED files

Author: kuk0

src/utils/general/ParseTools.cpp

@@ -82,63 +82,6 @@ string vectorIntToStr(const vector<int> &vec) {
 	return str;
 }
 
-
-#if defined(__i386__) || defined(__x86_64__)
-bool isHeaderLine(const string &line) {
-	if (line[0] == '>') {
-		return true;
-	}
-	if (line[0] == '!') {
-		return true;
-	}
-	if (line[0] == '#') {
-		return true;
-	}
-	
-	if(line.length() > 4) {
-		uint32_t peek = *(uint32_t*)line.c_str() | 0x20202020u;
-		const char* full_text = NULL;
-		bool require_space = false;
-		bool require_digit = false;
-		switch(peek) {
-			case 0x6f726863: 
-				full_text = "chrom";
-				require_space = true;
-				require_digit = false;
-				break;
-			case 0x20726863:
-			case 0x09726863:
-				full_text = "chr";
-				require_space = require_digit = true;
-				break;
-			case 0x776f7262:
-				full_text = "browser";
-				break;
-			case 0x63617274:
-				full_text = "track";
-				break;
-			case 0x69736976:
-				full_text = "visibility";
-				break;
-			default:
-				return false;
-		}
-		if(full_text) {
-			const char* ptr = NULL;
-			for(ptr = line.c_str(); *ptr && *full_text; ptr ++, full_text ++) {
-				char c = *ptr;
-				if(c >= 'A' && c <= 'Z') c += 32;
-				if(c != *full_text) return false;
-			}
-			if(require_space && !isspace(*(ptr++))) return false;
-			if(require_digit && !isdigit(*(ptr++))) return false;
-			return true;
-		}
-	}
-
-	return false;
-}
-#else
 bool isHeaderLine(const string &line) {
 	if (line[0] == '>') {
 		return true;
@@ -172,4 +115,3 @@ bool isHeaderLine(const string &line) {
 	}
 	return false;
 }
-#endif