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<hr><h1>gbfmorph.cpp</h1><div class="fragment"><pre>00001 <font class="comment">/******************************************************************************</font>
00002 <font class="comment"> *</font>
00003 <font class="comment"> * gbfmorph - SWFilter decendant to hide or show morph tags</font>
00004 <font class="comment"> * in a GBF module.</font>
00005 <font class="comment"> */</font>
00006
00007
00008 <font class="preprocessor">#include <stdlib.h></font>
00009 <font class="preprocessor">#include <string.h></font>
00010 <font class="preprocessor">#include <gbfmorph.h></font>
00011 <font class="preprocessor">#ifndef __GNUC__</font>
00012 <font class="preprocessor"></font><font class="preprocessor">#else</font>
00013 <font class="preprocessor"></font><font class="preprocessor">#include <unixstr.h></font>
00014 <font class="preprocessor">#endif</font>
00015 <font class="preprocessor"></font>
00016
00017 <font class="keyword">const</font> <font class="keywordtype">char</font> GBFMorph::on[] = <font class="stringliteral">"On"</font>;
00018 <font class="keyword">const</font> <font class="keywordtype">char</font> GBFMorph::off[] = <font class="stringliteral">"Off"</font>;
00019 <font class="keyword">const</font> <font class="keywordtype">char</font> GBFMorph::optName[] = <font class="stringliteral">"Morphological Tags"</font>;
00020 <font class="keyword">const</font> <font class="keywordtype">char</font> GBFMorph::optTip[] = <font class="stringliteral">"Toggles Morphological Tags On and Off if they exist"</font>;
00021
00022
00023 GBFMorph::GBFMorph() {
00024 option = <font class="keyword">false</font>;
00025 options.push_back(on);
00026 options.push_back(off);
00027 }
00028
00029
00030 GBFMorph::~GBFMorph() {
00031 }
00032
00033 <font class="keywordtype">void</font> GBFMorph::setOptionValue(<font class="keyword">const</font> <font class="keywordtype">char</font> *ival)
00034 {
00035 option = (!stricmp(ival, on));
00036 }
00037
00038 <font class="keyword">const</font> <font class="keywordtype">char</font> *GBFMorph::getOptionValue()
00039 {
00040 <font class="keywordflow">return</font> (option) ? on:off;
00041 }
00042
00043 <font class="keywordtype">char</font> GBFMorph::ProcessText(<font class="keywordtype">char</font> *text, <font class="keywordtype">int</font> maxlen, <font class="keyword">const</font> <a class="code" href="class_s_w_key.html">SWKey</a> *key, <font class="keyword">const</font> <a class="code" href="class_s_w_module.html">SWModule</a> *module)
00044 {
00045 <font class="keywordflow">if</font> (!option) { <font class="comment">// if we don't want morph tags</font>
00046 <font class="keywordtype">char</font> *to, *from, token[2048]; <font class="comment">// cheese. Fix.</font>
00047 <font class="keywordtype">int</font> tokpos = 0;
00048 <font class="keywordtype">bool</font> intoken = <font class="keyword">false</font>;
00049 <font class="keywordtype">int</font> len;
00050 <font class="keywordtype">bool</font> lastspace = <font class="keyword">false</font>;
00051
00052 len = strlen(text) + 1; <font class="comment">// shift string to right of buffer</font>
00053 <font class="keywordflow">if</font> (len < maxlen) {
00054 memmove(&text[maxlen - len], text, len);
00055 from = &text[maxlen - len];
00056 }
00057 <font class="keywordflow">else</font> from = text; <font class="comment">// -------------------------------</font>
00058
00059 <font class="keywordflow">for</font> (to = text; *from; from++) {
00060 <font class="keywordflow">if</font> (*from == <font class="charliteral">'<'</font>) {
00061 intoken = <font class="keyword">true</font>;
00062 tokpos = 0;
00063 token[0] = 0;
00064 token[1] = 0;
00065 token[2] = 0;
00066 <font class="keywordflow">continue</font>;
00067 }
00068 <font class="keywordflow">if</font> (*from == <font class="charliteral">'>'</font>) { <font class="comment">// process tokens</font>
00069 intoken = <font class="keyword">false</font>;
00070 <font class="keywordflow">if</font> (*token == <font class="charliteral">'W'</font> && token[1] == <font class="charliteral">'T'</font>) { <font class="comment">// Morph</font>
00071 <font class="keywordflow">if</font> ((from[1] == <font class="charliteral">' '</font>) || (from[1] == <font class="charliteral">','</font>) || (from[1] == <font class="charliteral">';'</font>) || (from[1] == <font class="charliteral">'.'</font>) || (from[1] == <font class="charliteral">'?'</font>) || (from[1] == <font class="charliteral">'!'</font>) || (from[1] == <font class="charliteral">')'</font>) || (from[1] == <font class="charliteral">'\''</font>) || (from[1] == <font class="charliteral">'\"'</font>)) {
00072 <font class="keywordflow">if</font> (lastspace)
00073 to--;
00074 }
00075 <font class="keywordflow">continue</font>;
00076 }
00077 <font class="comment">// if not a morph tag token, keep token in text</font>
00078 *to++ = <font class="charliteral">'<'</font>;
00079 <font class="keywordflow">for</font> (<font class="keywordtype">char</font> *tok = token; *tok; tok++)
00080 *to++ = *tok;
00081 *to++ = <font class="charliteral">'>'</font>;
00082 <font class="keywordflow">continue</font>;
00083 }
00084 <font class="keywordflow">if</font> (intoken) {
00085 <font class="keywordflow">if</font> (tokpos < 2045)
00086 token[tokpos++] = *from;
00087 token[tokpos+2] = 0;
00088 }
00089 <font class="keywordflow">else</font> {
00090 *to++ = *from;
00091 lastspace = (*from == <font class="charliteral">' '</font>);
00092 }
00093 }
00094 *to++ = 0;
00095 *to = 0;
00096 }
00097 <font class="keywordflow">return</font> 0;
00098 }
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