QuotedPrintableDecoder Class Reference

#include <TransferEncoding.h>

Static Public Member Functions
static ByteString	decode (const ByteString &_str)

Detailed Description

Definition at line 31 of file TransferEncoding.h.

Member Function Documentation

decode()

ByteString QuotedPrintableDecoder::decode ( const ByteString & _str )

static

Definition at line 116 of file TransferEncoding.cpp.

{
    __DCL_ASSERT(_str.length() > 0);
 
    const byte_t* src = (byte_t*)_str.data();
    ByteBuffer* buf = ByteBuffer::create(_str.length()); // + 1);
    byte_t* dest = (byte_t*) buf->data();
 
    size_t i = 0;
    size_t j = 0;
    while(src[i]) {
        if ('=' == src[i]) {
            // quotered character
            if (src[i + 1] && src[i + 2]
                && isxdigit(src[i + 1]) && isxdigit(src[i + 2])
            ) {
                dest[j++] = (hex2int(src[i + 1]) << 4)
                            + hex2int(src[i + 2]);
                i += 3;
            }
            else {
                // check for soft line break
                int k = 1;
                while(src[i + k] && 
                    ((src[i + k] == ' ') || (src[i + k] == TAB))
                ) {
                    // skip space or tab character
                    k++;
                }
 
                if (!src[i + k])
                    i += k;         // end of line reached
                else if ((src[i + k] == CR) && (src[i + k + 1] == LF))
                    i += k + 2;     // CRLF
                else if ((src[i + k] == CR) || (src[i + k] == LF))
                    i += k + 1;     // CR or LF
                else
                    dest[j++] = src[i++];
            }
        }
        else {
            // literal
            dest[j++] = src[i++];
        }
    }
 
    dest[j] = __T('\0');
    __DCL_ASSERT(j <= buf->__allocLength);
    buf->__dataLength = j;
 
    ByteString r = buf;
    buf->release();
    return r;
}

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The documentation for this class was generated from the following files:

• TransferEncoding.h
• TransferEncoding.cpp