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<h1>contrib/openisis/lcs.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> openisis - an open implementation of the CDS/ISIS database</span>
<a name="l00003"></a>00003 <span class="comment"> Version 0.8.x (patchlevel see file Version)</span>
<a name="l00004"></a>00004 <span class="comment"> Copyright (C) 2001-2003 by Erik Grziwotz, erik@openisis.org</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
<a name="l00008"></a>00008 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00009"></a>00009 <span class="comment"> version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00014"></a>00014 <span class="comment"> Lesser General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
<a name="l00017"></a>00017 <span class="comment"> License along with this library; if not, write to the Free Software</span>
<a name="l00018"></a>00018 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00019"></a>00019 <span class="comment"></span>
<a name="l00020"></a>00020 <span class="comment"> see README for more information</span>
<a name="l00021"></a>00021 <span class="comment">EOH */</span>
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef LCS_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="comment">/*</span>
<a name="l00025"></a>00025 <span class="comment"> $Id: lcs.h,v 1.3 2003/04/08 00:20:52 kripke Exp $</span>
<a name="l00026"></a>00026 <span class="comment"> charset support</span>
<a name="l00027"></a>00027 <span class="comment">*/</span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">typedef</span> <span class="keyword">enum</span> {
<a name="l00030"></a>00030 LCS_SINGLE, <span class="comment">/* some ASCII-compliant single byte charset */</span>
<a name="l00031"></a>00031 LCS_UTF8, <span class="comment">/* unicode in 8bit transfer encoding */</span>
<a name="l00032"></a>00032 LCS_UCS2 <span class="comment">/* the unicode base multilingual plane (BMP, first 64K chars)</span>
<a name="l00033"></a>00033 <span class="comment"> in 2byte encoding, native (platform) byte order */</span>
<a name="l00034"></a>00034 } lcs_type;
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">typedef</span> <span class="keyword">enum</span> {
<a name="l00037"></a>00037 LCS_LATIN1, <span class="comment">/* the ISO-8859-1 (Latin 1) charset */</span>
<a name="l00038"></a>00038 LCS_CP850, <span class="comment">/* MS-DOS Latin 1, known as the "OEM" charset */</span>
<a name="l00039"></a>00039 LCS__SBCS <span class="comment">/* # of single byte charsets */</span>
<a name="l00040"></a>00040 } lcs_single;
<a name="l00041"></a>00041
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keyword">typedef</span> <span class="keyword">enum</span> {
<a name="l00044"></a>00044 LCS_CTYPE, <span class="comment">/* flags see below */</span>
<a name="l00045"></a>00045 LCS_UNICO, <span class="comment">/* 128 unicodes */</span>
<a name="l00046"></a>00046 LCS_UCASE, <span class="comment">/* each characters uppercase code */</span>
<a name="l00047"></a>00047 LCS_INDEX, <span class="comment">/* single byte recoding for index ("strxfrm") */</span>
<a name="l00048"></a>00048 LCS_XEDNI, <span class="comment">/* inverse */</span>
<a name="l00049"></a>00049 LCS_RECOD, <span class="comment">/* single byte recoding to extern (typically Latin1) */</span>
<a name="l00050"></a>00050 LCS_DOCER, <span class="comment">/* inverse */</span>
<a name="l00051"></a>00051 LCS__TABS
<a name="l00052"></a>00052 } lcs_tabid;
<a name="l00053"></a>00053
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">/* some conversion table on a single byte charset</span>
<a name="l00056"></a>00056 <span class="comment"> c may hold an actab (!0 for any character deemed "alpha"),</span>
<a name="l00057"></a>00057 <span class="comment"> uctab ("uppercase" replacement code, typically removing diacriticals),</span>
<a name="l00058"></a>00058 <span class="comment"> code-to-code conversion or other.</span>
<a name="l00059"></a>00059 <span class="comment"> u may hold unicode values for the upper half of an</span>
<a name="l00060"></a>00060 <span class="comment"> ASCII compatible single byte charset.</span>
<a name="l00061"></a>00061 <span class="comment">*/</span>
<a name="l00062"></a>00062
<a name="l00063"></a><a class="code" href="unionLcsTab.html">00063</a> <span class="keyword">typedef</span> <span class="keyword">union </span>{
<a name="l00064"></a>00064 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c[256];
<a name="l00065"></a>00065 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> u[128];
<a name="l00066"></a>00066 } <a class="code" href="unionLcsTab.html">LcsTab</a>;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">enum</span> {
<a name="l00069"></a>00069 <span class="comment">/* controls (0..31,127) */</span>
<a name="l00070"></a>00070 LCS_R = 0x00, <span class="comment">/* record separator (FF,GS), */</span>
<a name="l00071"></a>00071 LCS_F = 0x10, <span class="comment">/* field separator (NUL,CR,LF,RS) */</span>
<a name="l00072"></a>00072 LCS_C = 0x28, <span class="comment">/* other control */</span>
<a name="l00073"></a>00073 <span class="comment">/* other separators */</span>
<a name="l00074"></a>00074 LCS_S = 0x48, <span class="comment">/* space(blank,nbsp), */</span>
<a name="l00075"></a>00075 LCS_T = 0x68, <span class="comment">/* other token separator (,:;=), */</span>
<a name="l00076"></a>00076 <span class="comment">/* other punctuation assumed "word" characters */</span>
<a name="l00077"></a>00077 LCS_P = 0x80,
<a name="l00078"></a>00078 LCS_Y = 0xb0, <span class="comment">/* symbol */</span>
<a name="l00079"></a>00079 <span class="comment">/* identifiers */</span>
<a name="l00080"></a>00080 LCS_I = 0xc0, <span class="comment">/* C-ident (_). */</span>
<a name="l00081"></a>00081 LCS_D = 0xd0, <span class="comment">/* digits ('0'..'9') */</span>
<a name="l00082"></a>00082 LCS_A = 0xe0, <span class="comment">/* ASCII alpha */</span>
<a name="l00083"></a>00083 LCS_L = 0xe4, <span class="comment">/* ... among those formatting literals a,c,i,x */</span>
<a name="l00084"></a>00084 LCS_N = 0xf0 <span class="comment">/* other alpha ("national"/non-ASCII) */</span>
<a name="l00085"></a>00085 };
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="preprocessor">#define LCS_ISCONTR( t ) (!(0xc0 & (t)))</span>
<a name="l00088"></a>00088 <span class="preprocessor"></span><span class="preprocessor">#define LCS_ISSPACE( t ) (LCS_S >= (t))</span>
<a name="l00089"></a>00089 <span class="preprocessor"></span><span class="preprocessor">#define LCS_ISPRINT( t ) (0xc0 & (t)) </span><span class="comment">/* (LCS_S <= (t)) */</span>
<a name="l00090"></a>00090 <span class="preprocessor">#define LCS_ISIDENT( t ) (0xc0 == (0xc0 & (t)))</span>
<a name="l00091"></a>00091 <span class="preprocessor"></span><span class="preprocessor">#define LCS_ISALPHA( t ) (0xe0 == (0xe0 & (t)))</span>
<a name="l00092"></a>00092 <span class="preprocessor"></span>
<a name="l00093"></a>00093 <span class="comment">/* for record parsing */</span>
<a name="l00094"></a>00094 <span class="preprocessor">#define LCS_ISSEP( t ) (!(0x80 & (t)))</span>
<a name="l00095"></a>00095 <span class="preprocessor"></span><span class="preprocessor">#define LCS_ISWORD( t ) (0x80 & (t))</span>
<a name="l00096"></a>00096 <span class="preprocessor"></span><span class="preprocessor">#define LCS_ISFR( t ) (!(0xe0 & (t))) </span><span class="comment">/* field or record separator */</span>
<a name="l00097"></a>00097 <span class="preprocessor">#define LCS_ISCST( t ) (0x08 & (t)) </span><span class="comment">/* other separator */</span>
<a name="l00098"></a>00098
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keyword">enum</span> {
<a name="l00101"></a>00101 LCS_MKUNI = -1 <span class="comment">/* as "bits" value, have mktab create unicode table */</span>
<a name="l00102"></a>00102 };
<a name="l00103"></a>00103
<a name="l00111"></a>00111 <span class="keyword">extern</span> <span class="keywordtype">int</span> lcs_mktab ( <a class="code" href="unionLcsTab.html">LcsTab</a> *dst, <span class="keywordtype">char</span> *numbers, <span class="keywordtype">int</span> len, <span class="keywordtype">int</span> bits );
<a name="l00112"></a>00112
<a name="l00116"></a>00116 <span class="keyword">extern</span> <span class="keywordtype">int</span> lcs_mkrecod ( <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *dst, <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *from,
<a name="l00117"></a>00117 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *to );
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="keyword">extern</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> lcs_latin1_uc[256];
<a name="l00120"></a>00120 <span class="keyword">extern</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> lcs_latin1_ct[256];
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="preprocessor">#define LCS_H</span>
<a name="l00123"></a>00123 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* LCS_H */</span>
</pre></div></div>
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