--- parser3/src/include/pa_common.h	2005/11/24 14:05:04	1.101.8.5
+++ parser3/src/include/pa_common.h	2007/02/07 15:49:51	1.112
@@ -8,7 +8,7 @@
 #ifndef PA_COMMON_H
 #define PA_COMMON_H
 
-static const char * const IDENT_COMMON_H="$Date: 2005/11/24 14:05:04 $";
+static const char * const IDENT_COMMON_H="$Date: 2007/02/07 15:49:51 $";
 
 #include "pa_string.h"
 #include "pa_hash.h"
@@ -212,8 +212,73 @@ void remove_crlf(char *start, char *end)
 void check_safe_mode(struct stat finfo, const String& file_spec, const char* fname); 
 #endif 
 
-char* pa_base64_encode(const char *in, size_t in_size);
 void pa_base64_decode(const char *in, size_t in_size, char*& result, size_t& result_size);
+char* pa_base64_encode(const char *in, size_t in_size);
+struct File_base64_action_info {
+	unsigned char** base64;
+}; 
+char* pa_base64_encode(const String& file_spec);
+static void file_base64_file_action(
+			     struct stat& finfo, 
+			     int f, 
+			     const String&, const char* /*fname*/, bool, 
+			     void *context);
+
+#define FILE_BUFFER_SIZE	4096
+static unsigned long crc32Table[256];
+static void InitCrc32Table()
+{
+	if(crc32Table[1] == 0){
+		// This is the official polynomial used by CRC32 in PKZip.
+		// Often times the polynomial shown reversed as 0x04C11DB7.
+		static const unsigned long dwPolynomial = 0xEDB88320;
+
+		for(int i = 0; i < 256; i++)
+		{
+			unsigned long dwCrc = i;
+			for(int j = 8; j > 0; j--)
+			{
+				if(dwCrc & 1)
+					dwCrc = (dwCrc >> 1) ^ dwPolynomial;
+				else
+					dwCrc >>= 1;
+			}
+			crc32Table[i] = dwCrc;
+		}
+	}
+}
+
+int file_block_read(const int f, unsigned char* buffer, const size_t size);
+
+inline void CalcCrc32(const unsigned char byte, unsigned long &crc32)
+{
+	crc32 = ((crc32) >> 8) ^ crc32Table[(byte) ^ ((crc32) & 0x000000FF)];
+}
+
+const unsigned long pa_crc32(const char *in, size_t in_size);
+const unsigned long pa_crc32(const String& file_spec);
+static void file_crc32_file_action(
+			     struct stat& finfo, 
+			     int f, 
+			     const String&, const char* /*fname*/, bool, 
+			     void *context);
+
+static const char* hex_string(unsigned char* bytes, size_t size, bool upcase) {
+	char *bytes_hex=new(PointerFreeGC) char [size*2/*byte->hh*/+1/*for zero-teminator*/];
+	unsigned char *src=bytes;
+	unsigned char *end=bytes+size;
+	char *dest=bytes_hex;
+
+	const char *hex=upcase?"0123456789ABCDEF":"0123456789abcdef";
+
+	for(; src<end; src++) {
+                *dest++=hex[*src/0x10];
+                *dest++=hex[*src%0x10];
+	}
+	*dest=0;
+
+	return bytes_hex;
+}
 
 int pa_get_valid_file_options_count(HashStringValue& options);