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<div class="title">kmime_codec_qp.cpp</div> </div>
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<a href="kmime__codec__qp_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- c++ -*-</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> kmime_codec_qp.cpp</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"></span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> KMime, the KDE Internet mail/usenet news message library.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Copyright (c) 2002 Marc Mutz <mutz@kde.org></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> modify it under the terms of the GNU Library General Public</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> License as published by the Free Software Foundation; either</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> version 2 of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> This library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> Library General Public License for more details.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"></span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> You should have received a copy of the GNU Library General Public License</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> Boston, MA 02110-1301, USA.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="kmime__codec__qp_8h.html" title="This file is part of the API for handling MIME data and defines the QuotedPrintable, RFC2047Q, and RFC2231 Codec classes.">kmime_codec_qp.h</a>"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "kmime_util.h"</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <kdebug.h></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <cassert></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">using namespace </span>KMime;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">namespace </span>KMime {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// some helpful functions:</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="code" href="namespaceKMime.html#a9dbe8347776b22328b3f2ab5b3cb599d"> 54</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">char</span> <a class="code" href="namespaceKMime.html#a9dbe8347776b22328b3f2ab5b3cb599d" title="Converts a 4-bit value into its hexadecimal characater representation.">binToHex</a>( uchar value )</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> ( value > 9 ) {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> value + <span class="charliteral">'A'</span> - 10;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> value + <span class="charliteral">'0'</span>;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="code" href="namespaceKMime.html#ac354a35e30c5ac5b4fd439de6808ae24"> 67</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> uchar <a class="code" href="namespaceKMime.html#ac354a35e30c5ac5b4fd439de6808ae24" title="Returns the high-order 4 bits of an 8-bit value in another 8-bit value.">highNibble</a>( uchar ch )</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> ch >> 4;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="code" href="namespaceKMime.html#a297012b1a30dd0c8be8c5866e79a63ca"> 76</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> uchar <a class="code" href="namespaceKMime.html#a297012b1a30dd0c8be8c5866e79a63ca" title="Returns the low-order 4 bits of an 8-bit value in another 8-bit value.">lowNibble</a>( uchar ch )</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">return</span> ch & 0xF;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> }</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="code" href="namespaceKMime.html#a90783237628973b2a49bade7d0ee6d43"> 86</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceKMime.html#a90783237628973b2a49bade7d0ee6d43" title="Returns true if the specified value is a not Control character or question mark; else true...">keep</a>( uchar ch )</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// no CTLs, except HT and not '?'</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> !( ( ch < <span class="charliteral">' '</span> && ch != <span class="charliteral">'\t'</span> ) || ch == <span class="charliteral">'?'</span> );</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">//</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment">// QuotedPrintableCodec</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment">//</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">class </span>QuotedPrintableEncoder : <span class="keyword">public</span> <a class="code" href="classKMime_1_1Encoder.html" title="Stateful encoder class.">Encoder</a></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">char</span> mInputBuffer[16];</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  uchar mCurrentLineLength; <span class="comment">// 0..76</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  uchar mAccu;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  uint mInputBufferReadCursor : 4; <span class="comment">// 0..15</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  uint mInputBufferWriteCursor : 4; <span class="comment">// 0..15</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  Never, AtBOL, Definitely</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  } mAccuNeedsEncoding : 2;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">bool</span> mSawLineEnd : 1;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">bool</span> mSawCR : 1;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">bool</span> mFinishing : 1;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">bool</span> mFinished : 1;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classKMime_1_1QuotedPrintableCodec.html" title="A class representing the codec for QuotedPrintable as specified in RFC2045 (section 6...">QuotedPrintableCodec</a>;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  QuotedPrintableEncoder( <span class="keywordtype">bool</span> withCRLF=<span class="keyword">false</span> )</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  : <a class="code" href="classKMime_1_1Encoder.html" title="Stateful encoder class.">Encoder</a>( withCRLF ), mCurrentLineLength( 0 ), mAccu( 0 ),</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  mInputBufferReadCursor( 0 ), mInputBufferWriteCursor( 0 ),</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  mAccuNeedsEncoding( Never ),</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  mSawLineEnd( false ), mSawCR( false ), mFinishing( false ),</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  mFinished( false ) {}</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">bool</span> needsEncoding( uchar ch )</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  { <span class="keywordflow">return</span> ch > <span class="charliteral">'~'</span> || ( ch < <span class="charliteral">' '</span> && ch != <span class="charliteral">'\t'</span> ) || ch == <span class="charliteral">'='</span>; }</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordtype">bool</span> needsEncodingAtEOL( uchar ch )</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  { <span class="keywordflow">return</span> ch == <span class="charliteral">' '</span> || ch == <span class="charliteral">'\t'</span>; }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">bool</span> needsEncodingAtBOL( uchar ch )</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  { <span class="keywordflow">return</span> ch == <span class="charliteral">'F'</span> || ch == <span class="charliteral">'.'</span> || ch == <span class="charliteral">'-'</span>; }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">bool</span> fillInputBuffer( <span class="keyword">const</span> <span class="keywordtype">char</span>* &scursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> send );</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">bool</span> processNextChar();</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">void</span> createOutputBuffer( <span class="keywordtype">char</span>* &dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend );</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">virtual</span> ~QuotedPrintableEncoder() {}</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">bool</span> encode( <span class="keyword">const</span> <span class="keywordtype">char</span>* &scursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> send,</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">char</span>* &dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend );</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">bool</span> finish( <span class="keywordtype">char</span>* &dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend );</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> };</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">class </span>QuotedPrintableDecoder : <span class="keyword">public</span> <a class="code" href="classKMime_1_1Decoder.html" title="Stateful CTE decoder class.">Decoder</a></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> mEscapeChar;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">char</span> mBadChar;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  uchar mAccu;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> mQEncoding;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">bool</span> mInsideHexChar;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">bool</span> mFlushing;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">bool</span> mExpectLF;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">bool</span> mHaveAccu;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">char</span> mLastChar;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classKMime_1_1QuotedPrintableCodec.html" title="A class representing the codec for QuotedPrintable as specified in RFC2045 (section 6...">QuotedPrintableCodec</a>;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classKMime_1_1Rfc2047QEncodingCodec.html" title="A class representing the codec for the Q encoding as specified in RFC2047Q.">Rfc2047QEncodingCodec</a>;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classKMime_1_1Rfc2231EncodingCodec.html" title="A class representing the codec for RFC2231.">Rfc2231EncodingCodec</a>;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  QuotedPrintableDecoder( <span class="keywordtype">bool</span> withCRLF=<span class="keyword">false</span>,</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordtype">bool</span> aQEncoding=<span class="keyword">false</span>, <span class="keywordtype">char</span> aEscapeChar=<span class="charliteral">'='</span> )</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  : <a class="code" href="classKMime_1_1Decoder.html" title="Stateful CTE decoder class.">Decoder</a>( withCRLF ),</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  mEscapeChar( aEscapeChar ),</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  mBadChar( 0 ),</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  mAccu( 0 ),</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  mQEncoding( aQEncoding ),</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  mInsideHexChar( false ),</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  mFlushing( false ),</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  mExpectLF( false ),</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  mHaveAccu( false ),</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  mLastChar( 0 ) {}</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">virtual</span> ~QuotedPrintableDecoder() {}</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordtype">bool</span> decode( <span class="keyword">const</span> <span class="keywordtype">char</span>* &scursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> send,</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordtype">char</span>* &dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend );</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">bool</span> finish( <span class="keywordtype">char</span>* & dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend );</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> };</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">class </span>Rfc2047QEncodingEncoder : <span class="keyword">public</span> <a class="code" href="classKMime_1_1Encoder.html" title="Stateful encoder class.">Encoder</a></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  uchar mAccu;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  uchar mStepNo;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> mEscapeChar;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">bool</span> mInsideFinishing : 1;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classKMime_1_1Rfc2047QEncodingCodec.html" title="A class representing the codec for the Q encoding as specified in RFC2047Q.">Rfc2047QEncodingCodec</a>;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classKMime_1_1Rfc2231EncodingCodec.html" title="A class representing the codec for RFC2231.">Rfc2231EncodingCodec</a>;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  Rfc2047QEncodingEncoder( <span class="keywordtype">bool</span> withCRLF=<span class="keyword">false</span>, <span class="keywordtype">char</span> aEscapeChar=<span class="charliteral">'='</span> )</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  : <a class="code" href="classKMime_1_1Encoder.html" title="Stateful encoder class.">Encoder</a>( withCRLF ),</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  mAccu( 0 ), mStepNo( 0 ), mEscapeChar( aEscapeChar ),</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  mInsideFinishing( false )</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  {</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// else an optimization in ::encode might break.</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  assert( aEscapeChar == <span class="charliteral">'='</span> || aEscapeChar == <span class="charliteral">'%'</span> );</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="comment">// this code assumes that isEText( mEscapeChar ) == false!</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordtype">bool</span> needsEncoding( uchar ch )</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  {</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> ( ch > <span class="charliteral">'z'</span> ) {</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// {|}~ DEL and 8bit chars need</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> ( !isEText( ch ) ) {</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// all but a-zA-Z0-9!/*+- need, too</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">if</span> ( mEscapeChar == <span class="charliteral">'%'</span> && ( ch == <span class="charliteral">'*'</span> || ch == <span class="charliteral">'/'</span> ) ) {</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// not allowed in rfc2231 encoding</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">virtual</span> ~Rfc2047QEncodingEncoder() {}</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordtype">bool</span> encode( <span class="keyword">const</span> <span class="keywordtype">char</span>* & scursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> send,</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordtype">char</span>* & dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend );</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordtype">bool</span> finish( <span class="keywordtype">char</span>* & dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend );</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> };</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment">// this doesn't access any member variables, so it can be defined static</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment">// but then we can't call it from virtual functions</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="keyword">static</span> <span class="keywordtype">int</span> QuotedPrintableDecoder_maxDecodedSizeFor( <span class="keywordtype">int</span> insize, <span class="keywordtype">bool</span> withCRLF )</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> {</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// all chars unencoded:</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordtype">int</span> result = insize;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// but maybe all of them are \n and we need to make them \r\n :-o</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">if</span> ( withCRLF )</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  result += insize;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// there might be an accu plus escape</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  result += 2;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> }</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div>
<div class="line"><a name="l00241"></a><span class="lineno"><a class="code" href="classKMime_1_1QuotedPrintableCodec.html#af41b31999fa2ee7ebe457735efd7bfbe"> 241</a></span> <a class="code" href="classKMime_1_1Encoder.html" title="Stateful encoder class.">Encoder</a> *<a class="code" href="classKMime_1_1QuotedPrintableCodec.html#af41b31999fa2ee7ebe457735efd7bfbe">QuotedPrintableCodec::makeEncoder</a>( <span class="keywordtype">bool</span> withCRLF )<span class="keyword"> const</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> QuotedPrintableEncoder( withCRLF );</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> }</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a name="l00246"></a><span class="lineno"><a class="code" href="classKMime_1_1QuotedPrintableCodec.html#a1f663d3fd5de348da4cdfcdaa8504944"> 246</a></span> <a class="code" href="classKMime_1_1Decoder.html" title="Stateful CTE decoder class.">Decoder</a> *<a class="code" href="classKMime_1_1QuotedPrintableCodec.html#a1f663d3fd5de348da4cdfcdaa8504944">QuotedPrintableCodec::makeDecoder</a>( <span class="keywordtype">bool</span> withCRLF )<span class="keyword"> const</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> QuotedPrintableDecoder( withCRLF );</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> }</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div>
<div class="line"><a name="l00251"></a><span class="lineno"><a class="code" href="classKMime_1_1QuotedPrintableCodec.html#ab5b648b4ffe200c7c58becb1c83cc97c"> 251</a></span> <span class="keywordtype">int</span> <a class="code" href="classKMime_1_1QuotedPrintableCodec.html#ab5b648b4ffe200c7c58becb1c83cc97c">QuotedPrintableCodec::maxDecodedSizeFor</a>( <span class="keywordtype">int</span> insize, <span class="keywordtype">bool</span> withCRLF )<span class="keyword"> const</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">return</span> QuotedPrintableDecoder_maxDecodedSizeFor(insize, withCRLF);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> }</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a name="l00256"></a><span class="lineno"><a class="code" href="classKMime_1_1Rfc2047QEncodingCodec.html#a5900923c86a283b1ba72ef08b401b13d"> 256</a></span> <a class="code" href="classKMime_1_1Encoder.html" title="Stateful encoder class.">Encoder</a> *<a class="code" href="classKMime_1_1Rfc2047QEncodingCodec.html#a5900923c86a283b1ba72ef08b401b13d">Rfc2047QEncodingCodec::makeEncoder</a>( <span class="keywordtype">bool</span> withCRLF )<span class="keyword"> const</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> Rfc2047QEncodingEncoder( withCRLF );</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> }</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div>
<div class="line"><a name="l00261"></a><span class="lineno"><a class="code" href="classKMime_1_1Rfc2047QEncodingCodec.html#ac6677b7718c8ec4c8ca3f36db3a85b67"> 261</a></span> <a class="code" href="classKMime_1_1Decoder.html" title="Stateful CTE decoder class.">Decoder</a> *<a class="code" href="classKMime_1_1Rfc2047QEncodingCodec.html#ac6677b7718c8ec4c8ca3f36db3a85b67">Rfc2047QEncodingCodec::makeDecoder</a>( <span class="keywordtype">bool</span> withCRLF )<span class="keyword"> const</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> QuotedPrintableDecoder( withCRLF, <span class="keyword">true</span> );</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> }</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div>
<div class="line"><a name="l00266"></a><span class="lineno"><a class="code" href="classKMime_1_1Rfc2047QEncodingCodec.html#a302a9e8d0cf9f9e94c60f8f90759a912"> 266</a></span> <span class="keywordtype">int</span> <a class="code" href="classKMime_1_1Rfc2047QEncodingCodec.html#a302a9e8d0cf9f9e94c60f8f90759a912">Rfc2047QEncodingCodec::maxDecodedSizeFor</a>( <span class="keywordtype">int</span> insize, <span class="keywordtype">bool</span> withCRLF )<span class="keyword"> const</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">return</span> QuotedPrintableDecoder_maxDecodedSizeFor(insize, withCRLF);</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> }</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a name="l00271"></a><span class="lineno"><a class="code" href="classKMime_1_1Rfc2231EncodingCodec.html#af6679dc6906117e235dce5b2be2ab004"> 271</a></span> <a class="code" href="classKMime_1_1Encoder.html" title="Stateful encoder class.">Encoder</a> *<a class="code" href="classKMime_1_1Rfc2231EncodingCodec.html#af6679dc6906117e235dce5b2be2ab004">Rfc2231EncodingCodec::makeEncoder</a>( <span class="keywordtype">bool</span> withCRLF )<span class="keyword"> const</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> Rfc2047QEncodingEncoder( withCRLF, <span class="charliteral">'%'</span> );</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> }</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div>
<div class="line"><a name="l00276"></a><span class="lineno"><a class="code" href="classKMime_1_1Rfc2231EncodingCodec.html#aee123204fa0d22530daf420ac7d65587"> 276</a></span> <a class="code" href="classKMime_1_1Decoder.html" title="Stateful CTE decoder class.">Decoder</a> *<a class="code" href="classKMime_1_1Rfc2231EncodingCodec.html#aee123204fa0d22530daf420ac7d65587">Rfc2231EncodingCodec::makeDecoder</a>( <span class="keywordtype">bool</span> withCRLF )<span class="keyword"> const</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> QuotedPrintableDecoder( withCRLF, <span class="keyword">true</span>, <span class="charliteral">'%'</span> );</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a name="l00281"></a><span class="lineno"><a class="code" href="classKMime_1_1Rfc2231EncodingCodec.html#a44500b613374e28ca49c71b5b8d30060"> 281</a></span> <span class="keywordtype">int</span> <a class="code" href="classKMime_1_1Rfc2231EncodingCodec.html#a44500b613374e28ca49c71b5b8d30060">Rfc2231EncodingCodec::maxDecodedSizeFor</a>( <span class="keywordtype">int</span> insize, <span class="keywordtype">bool</span> withCRLF )<span class="keyword"> const</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">return</span> QuotedPrintableDecoder_maxDecodedSizeFor(insize, withCRLF);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> }</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment">/********************************************************/</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment">/********************************************************/</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment">/********************************************************/</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="keywordtype">bool</span> QuotedPrintableDecoder::decode( <span class="keyword">const</span> <span class="keywordtype">char</span>* &scursor,</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> send,</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordtype">char</span>* &dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend )</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> {</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span> ( mWithCRLF ) {</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  kWarning() << <span class="stringliteral">"CRLF output for decoders isn't yet supported!"</span>;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> </div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">while</span> ( scursor != send && dcursor != dend ) {</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">if</span> ( mFlushing ) {</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="comment">// we have to flush chars in the aftermath of an decoding</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="comment">// error. The way to request a flush is to</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="comment">// - store the offending character in mBadChar and</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// - set mFlushing to true.</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="comment">// The supported cases are (H: hexchar, X: bad char):</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">// =X, =HX, CR</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// mBadChar is only written out if it is not by itself illegal in</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="comment">// quoted-printable (e.g. CTLs, 8Bits).</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// A fast way to suppress mBadChar output is to set it to NUL.</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">if</span> ( mInsideHexChar ) {</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="comment">// output '='</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  *dcursor++ = mEscapeChar;</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  mInsideHexChar = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( mHaveAccu ) {</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="comment">// output the high nibble of the accumulator:</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  *dcursor++ = mLastChar;</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  mHaveAccu = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  mAccu = 0;</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">// output mBadChar</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  assert( mAccu == 0 );</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">if</span> ( mBadChar ) {</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">if</span> ( mBadChar == <span class="charliteral">'='</span> ) {</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  mInsideHexChar = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  *dcursor++ = mBadChar;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  }</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  mBadChar = 0;</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  mFlushing = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  }</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  assert( mBadChar == 0 );</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  uchar ch = *scursor++;</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  uchar value = 255;</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">if</span> ( mExpectLF && ch != <span class="charliteral">'\n'</span> ) {</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  kWarning() << <span class="stringliteral">"QuotedPrintableDecoder:"</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="stringliteral">"illegally formed soft linebreak or lonely CR!"</span>;</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  mInsideHexChar = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  mExpectLF = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  assert( mAccu == 0 );</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  }</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">if</span> ( mInsideHexChar ) {</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="comment">// next char(s) represent nibble instead of itself:</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">if</span> ( ch <= <span class="charliteral">'9'</span> ) {</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">if</span> ( ch >= <span class="charliteral">'0'</span> ) {</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  value = ch - <span class="charliteral">'0'</span>;</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">switch</span> ( ch ) {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">case</span> <span class="charliteral">'\r'</span>:</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  mExpectLF = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">case</span> <span class="charliteral">'\n'</span>:</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">// soft line break, but only if mAccu is NUL.</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">if</span> ( !mHaveAccu ) {</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  mExpectLF = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  mInsideHexChar = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  }</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="comment">// else fall through</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  kWarning() << <span class="stringliteral">"QuotedPrintableDecoder:"</span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="stringliteral">"illegally formed hex char! Outputting verbatim."</span>;</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  mBadChar = ch;</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  mFlushing = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  }</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  }</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  } <span class="keywordflow">else</span> { <span class="comment">// ch > '9'</span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">if</span> ( ch <= <span class="charliteral">'F'</span> ) {</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">if</span> ( ch >= <span class="charliteral">'A'</span> ) {</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  value = 10 + ch - <span class="charliteral">'A'</span>;</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  } <span class="keywordflow">else</span> { <span class="comment">// [:-@]</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  mBadChar = ch;</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  mFlushing = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  }</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  } <span class="keywordflow">else</span> { <span class="comment">// ch > 'F'</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">if</span> ( ch <= 'f' && ch >= <span class="charliteral">'a'</span> ) {</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  value = 10 + ch - <span class="charliteral">'a'</span>;</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  mBadChar = ch;</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  mFlushing = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  }</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  }</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  }</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> </div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  assert( value < 16 );</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  assert( mBadChar == 0 );</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  assert( !mExpectLF );</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> </div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span> ( mHaveAccu ) {</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  *dcursor++ = char( mAccu | value );</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  mAccu = 0;</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  mHaveAccu = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  mInsideHexChar = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  mHaveAccu = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  mAccu = value << 4;</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  mLastChar = ch;</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  }</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  } <span class="keywordflow">else</span> { <span class="comment">// not mInsideHexChar</span></div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">if</span> ( ( ch <= '~' && ch >= <span class="charliteral">' '</span> ) || ch == <span class="charliteral">'\t'</span> ) {</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> ( ch == mEscapeChar ) {</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  mInsideHexChar = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( mQEncoding && ch == <span class="charliteral">'_'</span> ) {</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  *dcursor++ = char( 0x20 );</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  *dcursor++ = char( ch );</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  }</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( ch == <span class="charliteral">'\n'</span> ) {</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  *dcursor++ = <span class="charliteral">'\n'</span>;</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  mExpectLF = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( ch == <span class="charliteral">'\r'</span> ) {</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  mExpectLF = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="comment">//kWarning() << "QuotedPrintableDecoder:" << ch <<</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="comment">// "illegal character in input stream!";</span></div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  *dcursor++ = char( ch );</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  }</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  }</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  }</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> scursor == send;</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> }</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="keywordtype">bool</span> QuotedPrintableDecoder::finish( <span class="keywordtype">char</span>* &dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend )</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> {</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">while</span> ( ( mInsideHexChar || mHaveAccu || mFlushing ) && dcursor != dend ) {</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="comment">// we have to flush chars</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">if</span> ( mInsideHexChar ) {</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="comment">// output '='</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  *dcursor++ = mEscapeChar;</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  mInsideHexChar = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  }</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( mHaveAccu ) {</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="comment">// output the high nibble of the accumulator:</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  *dcursor++ = mLastChar;</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  mHaveAccu = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  mAccu = 0;</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="comment">// output mBadChar</span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  assert( mAccu == 0 );</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">if</span> ( mBadChar ) {</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  *dcursor++ = mBadChar;</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  mBadChar = 0;</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  }</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  mFlushing = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  }</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span> </div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="comment">// return false if we are not finished yet; note that mInsideHexChar is always false</span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">return</span> !( mHaveAccu || mFlushing );</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> }</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> </div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="keywordtype">bool</span> QuotedPrintableEncoder::fillInputBuffer( <span class="keyword">const</span> <span class="keywordtype">char</span>* &scursor,</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> send ) {</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="comment">// Don't read more if there's still a tail of a line in the buffer:</span></div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordflow">if</span> ( mSawLineEnd ) {</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  }</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> </div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="comment">// Read until the buffer is full or we have found CRLF or LF (which</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="comment">// don't end up in the input buffer):</span></div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">for</span> ( ; ( mInputBufferWriteCursor + 1 ) % 16 != mInputBufferReadCursor &&</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  scursor != send ; mInputBufferWriteCursor++ ) {</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordtype">char</span> ch = *scursor++;</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">if</span> ( ch == <span class="charliteral">'\r'</span> ) {</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  mSawCR = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( ch == <span class="charliteral">'\n'</span> ) {</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="comment">// remove the CR from the input buffer (if any) and return that</span></div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="comment">// we found a line ending:</span></div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">if</span> ( mSawCR ) {</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  mSawCR = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  assert( mInputBufferWriteCursor != mInputBufferReadCursor );</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  mInputBufferWriteCursor--;</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  }</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  mSawLineEnd = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// saw CRLF or LF</span></div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  mSawCR = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  }</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  mInputBuffer[ mInputBufferWriteCursor ] = ch;</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  }</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  mSawLineEnd = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// didn't see a line ending...</span></div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> }</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> </div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="keywordtype">bool</span> QuotedPrintableEncoder::processNextChar()</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> {</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> </div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="comment">// If we process a buffer which doesn't end in a line break, we</span></div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="comment">// can't process all of it, since the next chars that will be read</span></div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="comment">// could be a line break. So we empty the buffer only until a fixed</span></div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="comment">// number of chars is left (except when mFinishing, which means that</span></div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="comment">// the data doesn't end in newline):</span></div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> minBufferFillWithoutLineEnd = 4;</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> </div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  assert( mOutputBufferCursor == 0 );</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> </div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordtype">int</span> bufferFill =</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  int( mInputBufferWriteCursor ) - int( mInputBufferReadCursor ) ;</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">if</span> ( bufferFill < 0 ) {</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  bufferFill += 16;</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  }</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> </div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  assert( bufferFill >=0 && bufferFill <= 15 );</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> </div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">if</span> ( !mFinishing && !mSawLineEnd &&</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  bufferFill < minBufferFillWithoutLineEnd ) {</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  }</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> </div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="comment">// buffer is empty, return false:</span></div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keywordflow">if</span> ( mInputBufferReadCursor == mInputBufferWriteCursor ) {</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  }</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> </div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="comment">// Real processing goes here:</span></div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  mAccu = mInputBuffer[ mInputBufferReadCursor++ ];</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keywordflow">if</span> ( needsEncoding( mAccu ) ) { <span class="comment">// always needs encoding or</span></div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  mAccuNeedsEncoding = Definitely;</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( ( mSawLineEnd || mFinishing ) && <span class="comment">// needs encoding at end of line</span></div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  bufferFill == 1 && <span class="comment">// or end of buffer</span></div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  needsEncodingAtEOL( mAccu ) ) {</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  mAccuNeedsEncoding = Definitely;</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( needsEncodingAtBOL( mAccu ) ) {</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  mAccuNeedsEncoding = AtBOL;</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="comment">// never needs encoding</span></div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  mAccuNeedsEncoding = Never;</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  }</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span> </div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span> }</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> </div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="comment">// Outputs processed (verbatim or hex-encoded) chars and inserts soft</span></div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="comment">// line breaks as necessary. Depends on processNextChar's directions</span></div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="comment">// on whether or not to encode the current char, and whether or not</span></div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span> <span class="comment">// the current char is the last one in it's input line:</span></div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> <span class="keywordtype">void</span> QuotedPrintableEncoder::createOutputBuffer( <span class="keywordtype">char</span>* &dcursor,</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend )</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> {</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> maxLineLength = 76; <span class="comment">// rfc 2045</span></div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span> </div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  assert( mOutputBufferCursor == 0 );</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> </div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordtype">bool</span> lastOneOnThisLine = mSawLineEnd</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  && mInputBufferReadCursor == mInputBufferWriteCursor;</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> </div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordtype">int</span> neededSpace = 1;</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keywordflow">if</span> ( mAccuNeedsEncoding == Definitely ) {</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  neededSpace = 3;</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  }</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> </div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="comment">// reserve space for the soft hyphen (=)</span></div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">if</span> ( !lastOneOnThisLine ) {</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  neededSpace++;</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  }</div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> </div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keywordflow">if</span> ( mCurrentLineLength > maxLineLength - neededSpace ) {</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="comment">// current line too short, insert soft line break:</span></div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  write( <span class="charliteral">'='</span>, dcursor, dend );</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  writeCRLF( dcursor, dend );</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  mCurrentLineLength = 0;</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> </div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">if</span> ( Never == mAccuNeedsEncoding ||</div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  ( AtBOL == mAccuNeedsEncoding && mCurrentLineLength != 0 ) ) {</div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  write( mAccu, dcursor, dend );</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  mCurrentLineLength++;</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  write( <span class="charliteral">'='</span>, dcursor, dend );</div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  write( <a class="code" href="namespaceKMime.html#a9dbe8347776b22328b3f2ab5b3cb599d" title="Converts a 4-bit value into its hexadecimal characater representation.">binToHex</a>( <a class="code" href="namespaceKMime.html#ac354a35e30c5ac5b4fd439de6808ae24" title="Returns the high-order 4 bits of an 8-bit value in another 8-bit value.">highNibble</a>( mAccu ) ), dcursor, dend );</div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  write( <a class="code" href="namespaceKMime.html#a9dbe8347776b22328b3f2ab5b3cb599d" title="Converts a 4-bit value into its hexadecimal characater representation.">binToHex</a>( <a class="code" href="namespaceKMime.html#a297012b1a30dd0c8be8c5866e79a63ca" title="Returns the low-order 4 bits of an 8-bit value in another 8-bit value.">lowNibble</a>( mAccu ) ), dcursor, dend );</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  mCurrentLineLength += 3;</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  }</div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> }</div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> </div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span> <span class="keywordtype">bool</span> QuotedPrintableEncoder::encode( <span class="keyword">const</span> <span class="keywordtype">char</span>* &scursor,</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> send,</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="keywordtype">char</span>* &dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend )</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span> {</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="comment">// support probing by the caller:</span></div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">if</span> ( mFinishing ) {</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  }</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> </div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="keywordflow">while</span> ( scursor != send && dcursor != dend ) {</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="keywordflow">if</span> ( mOutputBufferCursor && !flushOutputBuffer( dcursor, dend ) ) {</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="keywordflow">return</span> scursor == send;</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  }</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span> </div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  assert( mOutputBufferCursor == 0 );</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> </div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="comment">// fill input buffer until eol has been reached or until the</span></div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="comment">// buffer is full, whatever comes first:</span></div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  fillInputBuffer( scursor, send );</div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span> </div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="keywordflow">if</span> ( processNextChar() ) {</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="comment">// there was one...</span></div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  createOutputBuffer( dcursor, dend );</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( mSawLineEnd &&</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  mInputBufferWriteCursor == mInputBufferReadCursor ) {</div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="comment">// load a hard line break into output buffer:</span></div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  writeCRLF( dcursor, dend );</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="comment">// signal fillInputBuffer() we are ready for the next line:</span></div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  mSawLineEnd = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  mCurrentLineLength = 0;</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="comment">// we are supposedly finished with this input block:</span></div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  }</div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  }</div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span> </div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="comment">// make sure we write as much as possible and don't stop _writing_</span></div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="comment">// just because we have no more _input_:</span></div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordflow">if</span> ( mOutputBufferCursor ) {</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  flushOutputBuffer( dcursor, dend );</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  }</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span> </div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keywordflow">return</span> scursor == send;</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> </div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> } <span class="comment">// encode</span></div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> </div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="keywordtype">bool</span> QuotedPrintableEncoder::finish( <span class="keywordtype">char</span>* &dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend )</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> {</div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  mFinishing = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span> </div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="keywordflow">if</span> ( mFinished ) {</div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordflow">return</span> flushOutputBuffer( dcursor, dend );</div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  }</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span> </div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keywordflow">while</span> ( dcursor != dend ) {</div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keywordflow">if</span> ( mOutputBufferCursor && !flushOutputBuffer( dcursor, dend ) ) {</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  }</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span> </div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  assert( mOutputBufferCursor == 0 );</div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span> </div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keywordflow">if</span> ( processNextChar() ) {</div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="comment">// there was one...</span></div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  createOutputBuffer( dcursor, dend );</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( mSawLineEnd &&</div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  mInputBufferWriteCursor == mInputBufferReadCursor ) {</div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="comment">// load a hard line break into output buffer:</span></div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  writeCRLF( dcursor, dend );</div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  mSawLineEnd = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  mCurrentLineLength = 0;</div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  mFinished = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keywordflow">return</span> flushOutputBuffer( dcursor, dend );</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  }</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  }</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span> </div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="keywordflow">return</span> mFinished && !mOutputBufferCursor;</div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span> </div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span> } <span class="comment">// finish</span></div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span> </div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span> <span class="keywordtype">bool</span> Rfc2047QEncodingEncoder::encode( <span class="keyword">const</span> <span class="keywordtype">char</span>* &scursor,</div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> send,</div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="keywordtype">char</span>* &dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend )</div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span> {</div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keywordflow">if</span> ( mInsideFinishing ) {</div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  }</div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span> </div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="keywordflow">while</span> ( scursor != send && dcursor != dend ) {</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  uchar value = 0;</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="keywordflow">switch</span> ( mStepNo ) {</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keywordflow">case</span> 0:</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="comment">// read the next char and decide if and how do encode:</span></div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  mAccu = *scursor++;</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="keywordflow">if</span> ( !needsEncoding( mAccu ) ) {</div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  *dcursor++ = char( mAccu );</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( mEscapeChar == <span class="charliteral">'='</span> && mAccu == 0x20 ) {</div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="comment">// shortcut encoding for 0x20 (latin-1/us-ascii SPACE)</span></div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="comment">// (not for rfc2231 encoding)</span></div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  *dcursor++ = <span class="charliteral">'_'</span>;</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="comment">// needs =XY encoding - write escape char:</span></div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  *dcursor++ = mEscapeChar;</div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  mStepNo = 1;</div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  }</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordflow">case</span> 1:</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="comment">// extract hi-nibble:</span></div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  value = <a class="code" href="namespaceKMime.html#ac354a35e30c5ac5b4fd439de6808ae24" title="Returns the high-order 4 bits of an 8-bit value in another 8-bit value.">highNibble</a>( mAccu );</div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  mStepNo = 2;</div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">case</span> 2:</div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <span class="comment">// extract lo-nibble:</span></div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  value = <a class="code" href="namespaceKMime.html#a297012b1a30dd0c8be8c5866e79a63ca" title="Returns the low-order 4 bits of an 8-bit value in another 8-bit value.">lowNibble</a>( mAccu );</div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  mStepNo = 0;</div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <span class="keywordflow">default</span>: assert( 0 );</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  }</div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span> </div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="comment">// and write:</span></div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  *dcursor++ = <a class="code" href="namespaceKMime.html#a9dbe8347776b22328b3f2ab5b3cb599d" title="Converts a 4-bit value into its hexadecimal characater representation.">binToHex</a>( value );</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  }</div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> </div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordflow">return</span> scursor == send;</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> } <span class="comment">// encode</span></div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> </div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> <span class="preprocessor">#include <QtCore/QString></span></div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span> </div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> <span class="keywordtype">bool</span> Rfc2047QEncodingEncoder::finish( <span class="keywordtype">char</span>* &dcursor, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> dend )</div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span> {</div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  mInsideFinishing = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span> </div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="comment">// write the last bits of mAccu, if any:</span></div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="keywordflow">while</span> ( mStepNo != 0 && dcursor != dend ) {</div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  uchar value = 0;</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="keywordflow">switch</span> ( mStepNo ) {</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="keywordflow">case</span> 1:</div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="comment">// extract hi-nibble:</span></div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  value = <a class="code" href="namespaceKMime.html#ac354a35e30c5ac5b4fd439de6808ae24" title="Returns the high-order 4 bits of an 8-bit value in another 8-bit value.">highNibble</a>( mAccu );</div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  mStepNo = 2;</div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <span class="keywordflow">case</span> 2:</div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="comment">// extract lo-nibble:</span></div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  value = <a class="code" href="namespaceKMime.html#a297012b1a30dd0c8be8c5866e79a63ca" title="Returns the low-order 4 bits of an 8-bit value in another 8-bit value.">lowNibble</a>( mAccu );</div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  mStepNo = 0;</div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="keywordflow">default</span>: assert( 0 );</div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  }</div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span> </div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="comment">// and write:</span></div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  *dcursor++ = <a class="code" href="namespaceKMime.html#a9dbe8347776b22328b3f2ab5b3cb599d" title="Converts a 4-bit value into its hexadecimal characater representation.">binToHex</a>( value );</div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  }</div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span> </div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="keywordflow">return</span> mStepNo == 0;</div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span> }</div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> </div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> } <span class="comment">// namespace KMime</span></div>
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