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<hr><h1>rawld4.cpp</h1><div class="fragment"><pre>00001 <font class="comment">/******************************************************************************</font>
00002 <font class="comment"> * rawld.cpp - code for class 'RawLD'- a module that reads raw lexicon and</font>
00003 <font class="comment"> * dictionary files: *.dat *.idx</font>
00004 <font class="comment"> */</font>
00005
00006
00007 <font class="preprocessor">#include <ctype.h></font>
00008 <font class="preprocessor">#include <stdio.h></font>
00009 <font class="preprocessor">#include <fcntl.h></font>
00010
00011 <font class="preprocessor">#ifndef __GNUC__</font>
00012 <font class="preprocessor"></font><font class="preprocessor">#include <io.h></font>
00013 <font class="preprocessor">#else</font>
00014 <font class="preprocessor"></font><font class="preprocessor">#include <unistd.h></font>
00015 <font class="preprocessor">#endif</font>
00016 <font class="preprocessor"></font>
00017 <font class="preprocessor">#include <string.h></font>
00018 <font class="preprocessor">#include <utilfuns.h></font>
00019 <font class="preprocessor">#include <rawstr4.h></font>
00020 <font class="preprocessor">#include <rawld4.h></font>
00021
00022
00023 <font class="comment">/******************************************************************************</font>
00024 <font class="comment"> * RawLD Constructor - Initializes data for instance of RawLD</font>
00025 <font class="comment"> *</font>
00026 <font class="comment"> * ENT: ipath - path and filename of files (no extension)</font>
00027 <font class="comment"> * iname - Internal name for module</font>
00028 <font class="comment"> * idesc - Name to display to user for module</font>
00029 <font class="comment"> * idisp - Display object to use for displaying</font>
00030 <font class="comment"> */</font>
00031
00032 RawLD4::RawLD4(<font class="keyword">const</font> <font class="keywordtype">char</font> *ipath, <font class="keyword">const</font> <font class="keywordtype">char</font> *iname, <font class="keyword">const</font> <font class="keywordtype">char</font> *idesc, <a class="code" href="class_s_w_display.html">SWDisplay</a> *idisp, SWTextEncoding enc, SWTextDirection dir, SWTextMarkup mark, <font class="keyword">const</font> <font class="keywordtype">char</font>* ilang) : RawStr4(ipath), <a class="code" href="class_s_w_l_d.html">SWLD</a>(iname, idesc, idisp, enc, dir, mark, ilang)
00033 {
00034 }
00035
00036
00037 <font class="comment">/******************************************************************************</font>
00038 <font class="comment"> * RawLD Destructor - Cleans up instance of RawLD</font>
00039 <font class="comment"> */</font>
00040
00041 RawLD4::~RawLD4()
00042 {
00043 }
00044
00045
00046 <font class="comment">/******************************************************************************</font>
00047 <font class="comment"> * RawLD4::strongsPad - Pads a key if it is 100% digits to 5 places</font>
00048 <font class="comment"> *</font>
00049 <font class="comment"> * ENT: buf - buffer to check and pad</font>
00050 <font class="comment"> */</font>
00051
00052 <font class="keywordtype">void</font> RawLD4::strongsPad(<font class="keywordtype">char</font> *buf)
00053 {
00054 <font class="keyword">const</font> <font class="keywordtype">char</font> *check;
00055 <font class="keywordtype">long</font> size = 0;
00056 <font class="keywordtype">int</font> len = strlen(buf);
00057 <font class="keywordflow">if</font> ((len < 5) && (len > 0)) {
00058 <font class="keywordflow">for</font> (check = buf; *check; check++) {
00059 <font class="keywordflow">if</font> (!isdigit(*check))
00060 <font class="keywordflow">break</font>;
00061 <font class="keywordflow">else</font> size++;
00062 }
00063
00064 <font class="keywordflow">if</font> ((size == len) && size)
00065 sprintf(buf, <font class="stringliteral">"%.5d"</font>, atoi(buf));
00066 }
00067 }
00068
00069
00070 <font class="comment">/******************************************************************************</font>
00071 <font class="comment"> * RawLD4::getEntry - Looks up entry from data file. 'Snaps' to closest</font>
00072 <font class="comment"> * entry and sets 'entrybuf'.</font>
00073 <font class="comment"> *</font>
00074 <font class="comment"> * ENT: away - number of entries offset from key (default = 0)</font>
00075 <font class="comment"> *</font>
00076 <font class="comment"> * RET: error status</font>
00077 <font class="comment"> */</font>
00078
00079 <font class="keywordtype">char</font> RawLD4::getEntry(<font class="keywordtype">long</font> away)
00080 {
00081 <font class="keywordtype">long</font> start = 0;
00082 <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> size = 0;
00083 <font class="keywordtype">char</font> *idxbuf = 0;
00084 <font class="keywordtype">char</font> retval = 0;
00085
00086 <font class="keywordtype">char</font> *buf = <font class="keyword">new</font> <font class="keywordtype">char</font> [ strlen(*key) + 6 ];
00087 strcpy(buf, *key);
00088
00089 strongsPad(buf);
00090
00091 *entrybuf = 0;
00092 <font class="keywordflow">if</font> (!(retval = findoffset(buf, &start, &size, away))) {
00093 entrySize = size; <font class="comment">// support getEntrySize call</font>
00094 <font class="keywordflow">if</font> (entrybuf)
00095 <font class="keyword">delete</font> [] entrybuf;
00096 entrybuf = <font class="keyword">new</font> <font class="keywordtype">char</font> [ ++size * FILTERPAD ];
00097 idxbuf = <font class="keyword">new</font> <font class="keywordtype">char</font> [ size * FILTERPAD ];
00098
00099 gettext(start, size, idxbuf, entrybuf);
00100 <font class="keywordflow">if</font> (!key->Persist()) <font class="comment">// If we have our own key</font>
00101 *key = idxbuf; <font class="comment">// reset it to entry index buffer</font>
00102
00103 stdstr(&entkeytxt, idxbuf); <font class="comment">// set entry key text that module 'snapped' to.</font>
00104 <font class="keyword">delete</font> [] idxbuf;
00105 }
00106 <font class="keywordflow">else</font> {
00107 entrybuf = <font class="keyword">new</font> <font class="keywordtype">char</font> [ 5 ];
00108 *entrybuf = 0;
00109 }
00110
00111 <font class="keyword">delete</font> [] buf;
00112 <font class="keywordflow">return</font> retval;
00113 }
00114
00115
00116 <font class="comment">/******************************************************************************</font>
00117 <font class="comment"> * RawLD4::operator char * - Returns the correct entry when char * cast</font>
00118 <font class="comment"> * is requested</font>
00119 <font class="comment"> *</font>
00120 <font class="comment"> * RET: string buffer with entry</font>
00121 <font class="comment"> */</font>
00122
00123 <font class="keywordtype">char</font> *RawLD4::getRawEntry() {
00124 <font class="keywordflow">if</font> (!getEntry() && !isUnicode()) {
00125 preptext(entrybuf);
00126 }
00127
00128 <font class="keywordflow">return</font> entrybuf;
00129 }
00130
00131
00132 <font class="comment">/******************************************************************************</font>
00133 <font class="comment"> * RawLD4::operator += - Increments module key a number of entries</font>
00134 <font class="comment"> *</font>
00135 <font class="comment"> * ENT: increment - Number of entries to jump forward</font>
00136 <font class="comment"> *</font>
00137 <font class="comment"> * RET: *this</font>
00138 <font class="comment"> */</font>
00139
00140 <a class="code" href="class_s_w_module.html">SWModule</a> &RawLD4::operator +=(<font class="keywordtype">int</font> increment)
00141 {
00142 <font class="keywordtype">char</font> tmperror;
00143
00144 <font class="keywordflow">if</font> (key->Traversable()) {
00145 *key += increment;
00146 error = key->Error();
00147 increment = 0;
00148 }
00149
00150 tmperror = (getEntry(increment)) ? KEYERR_OUTOFBOUNDS : 0;
00151 error = (error)?error:tmperror;
00152 *key = entkeytxt;
00153 <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00154 }
00155
00156
00157 <font class="comment">/******************************************************************************</font>
00158 <font class="comment"> * RawLD4::operator =(SW_POSITION) - Positions this key if applicable</font>
00159 <font class="comment"> */</font>
00160
00161 <a class="code" href="class_s_w_module.html">SWModule</a> &RawLD4::operator =(SW_POSITION p)
00162 {
00163 <font class="keywordflow">if</font> (!key->Traversable()) {
00164 <font class="keywordflow">switch</font> (p) {
00165 <font class="keywordflow">case</font> POS_TOP:
00166 *key = <font class="stringliteral">""</font>;
00167 <font class="keywordflow">break</font>;
00168 <font class="keywordflow">case</font> POS_BOTTOM:
00169 *key = <font class="stringliteral">"zzzzzzzzz"</font>;
00170 <font class="keywordflow">break</font>;
00171 }
00172 }
00173 <font class="keywordflow">else</font> *key = p;
00174 <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00175 }
00176
00177
00178 <a class="code" href="class_s_w_module.html">SWModule</a> &RawLD4::setentry(<font class="keyword">const</font> <font class="keywordtype">char</font> *inbuf, <font class="keywordtype">long</font> len) {
00179 settext(*key, inbuf, len);
00180
00181 <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00182 }
00183
00184 <a class="code" href="class_s_w_module.html">SWModule</a> &RawLD4::operator <<(<font class="keyword">const</font> <font class="keywordtype">char</font> *inbuf) {
00185 <font class="keywordflow">return</font> setentry(inbuf, 0);
00186 }
00187
00188
00189 <a class="code" href="class_s_w_module.html">SWModule</a> &RawLD4::operator <<(<font class="keyword">const</font> <a class="code" href="class_s_w_key.html">SWKey</a> *inkey) {
00190 linkentry(*key, *inkey);
00191
00192 <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00193 }
00194
00195
00196 <font class="comment">/******************************************************************************</font>
00197 <font class="comment"> * RawFiles::deleteEntry - deletes this entry</font>
00198 <font class="comment"> *</font>
00199 <font class="comment"> * RET: *this</font>
00200 <font class="comment"> */</font>
00201
00202 <font class="keywordtype">void</font> RawLD4::deleteEntry() {
00203 settext(*key, <font class="stringliteral">""</font>);
00204 }
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