/[webpac]/openisis/current/unicode.jsp
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Annotation of /openisis/current/unicode.jsp

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Revision 237 - (hide annotations)
Mon Mar 8 17:43:12 2004 UTC (20 years ago) by dpavlin
File size: 4464 byte(s)
initial import of openisis 0.9.0 vendor drop

1 dpavlin 237 <%@page import="org.openisis.*,java.io.IOException,java.util.Date,java.util.Iterator,java.net.URLEncoder" contentType="text/html;charset=UTF-8"%><%!
2     static final String EMPTY = "";
3     static Db db;
4     static String dberr = EMPTY;
5     static {
6     try {
7     String[] args = new String[] { "-v", "9", "-encoding", "UTF-8",
8     "-format", "aligned" };
9     db = Db.open( "/var/db/come2uni/come2uni", args );
10     if ( db instanceof NativeDb )
11     System.err.println( "db.db = "+((NativeDb)db).db );
12     } catch (IOException e) {
13     dberr = e.toString();
14     }
15     };
16     static String NV ( String x ) { return null==x ? EMPTY : x; }
17     static int ROWS = 30; // number of rows to show at once
18     static String vif ( String pre, Rec r, int t, String post ) {
19     StringBuffer ret = null;
20     int l = r.getLen();
21     for ( int i=0; i<l; i++ ) {
22     Field f = r.getField(i);
23     if ( t != f.tag ) continue;
24     if ( null == ret )
25     ret = new StringBuffer( pre );
26     else
27     ret.append( ", " );
28     ret.append( f.html() );
29     }
30     return null == ret ? "" : ret.append(post).toString();
31     }
32     static String v ( Rec r, int t ) {
33     return vif( "", r, t, "" );
34     }
35     %><%
36     String search = NV( request.getParameter( "search" ) );
37     // brute force ...
38     search = new String(search.getBytes("ISO-8859-1"), "UTF-8");
39     int off = 0;
40     int rows = ROWS;
41     try {
42     off = Integer.parseInt( request.getParameter( "off" ) );
43     } catch ( Exception e ) {}
44     try {
45     rows = Integer.parseInt( request.getParameter( "rows" ) );
46     } catch ( Exception e ) {}
47     int[] set = (int[])session.getAttribute( "set" );
48     %><html>
49     <head>
50     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
51     <title>OpenIsis unicode demo</title>
52     </head>
53     <body bgcolor="#FFFFFF">
54     <%= dberr %>
55     <form action="unicode.jsp" accept-charset="UTF-8">
56     <%-- method="POST" enctype="multipart/form-data"
57     buys us nothing -- the ;charset=UTF-8 is parsed by newer tomcat,
58     but not transmitted by Mozilla, so we have to do conversion manually anyway
59     --%>
60     <input type="text" name="search" value="<%=search%>"/>
61     <input type="checkbox" name="prefix" value="1" checked /> as prefix
62     <input type="submit" name="action" value="search"/>
63     <input type="text" name="rows" size="2" value="<%=rows%>"/> rows at once
64     <br>
65     <input type="checkbox" name="terms" value="1"/> show index terms, not records
66     </form>
67     <b>
68     text excerpts are from
69     <a href="http://www.unicode.org/iuc/iuc10/x-utf8.html">
70     the invitation to the Tenth International Unicode Conference.</a>
71     </b>
72     <p>
73     <%
74     if ( EMPTY != search ) {
75     if ( null != request.getParameter( "terms" ) ) {
76     Iterator t = db.terms( search );
77     while ( t.hasNext() ) {
78     String s = (String)t.next();
79     if ( 0 == s.length() ) continue;
80     String u = URLEncoder.encode(
81     new String(s.getBytes("UTF-8"), "ISO-8859-1") );
82     %>
83     <a href="unicode.jsp?prefix=1&search=<%=u%>"><%=s%></a><br>
84     <%
85     }
86     %>
87     </body></html><%
88     return;
89     } // list terms
90    
91     long then = (new Date()).getTime();
92     int mode = null==request.getParameter( "prefix" ) ? 0 : Db.QRY_KEYPF;
93     int[] nset = db.search( search, mode );
94     long now = (new Date()).getTime();
95     if ( null == nset ) {
96     %>
97     sorry, no results for <%=search%>
98     <%
99     session.removeAttribute( "set" );
100     return;
101     } else {
102     %>
103     got <%=nset.length%> rows for <%=search%>
104     in <%= 0==mode ? "word" : "prefix" %> mode
105     in <%=(now - then)/1000.%> seconds.<br>
106     <%
107     set = nset;
108     session.setAttribute( "set", set );
109     }
110     } // EMPTY != search
111     if ( null == set )
112     return;
113     if ( 0 < off ) {
114     int boff = off-rows;
115     if ( boff < 0 ) boff = 0;
116     %>
117     <a href="unicode.jsp?off=<%=boff%>&rows=<%=rows%>">&lt;&lt;rows <%=boff+1%> to <%=boff+rows%></a>
118     <%
119     }
120     int end = off + rows;
121     if ( end >= set.length )
122     end = set.length;
123     else {
124     %>
125     <a href="unicode.jsp?off=<%=end%>&rows=<%=rows%>">rows <%=end+1%> to <%=end+rows%>&gt;&gt;</a>
126     <%
127     }
128     %>
129     <h4> rows <%=off+1%> to <%=end%> </h4>
130     <%-- start output --%>
131     <table cols="1" width="100%">
132     <%
133     for ( int i=off; i<end; i++ ) {
134     Rec r = db.readRow( set[i] );
135     if ( null == r )
136     continue;
137     int id = r.getRowId();
138     String name = v(r,1);
139     String lang = v(r,2);
140     String dir = v(r,3);
141     String head = v(r,4);
142     String body = v(r,5);
143     if ( ! "".equals(dir) ) dir = " dir="+dir;
144     %>
145     <tr> <td bgcolor="#CC99FF" align=center> <%=name%> </td> </tr>
146     <tr> <td align=center<%=dir%> lang=<%=lang%>><b><font size="+2"><%=head%></font></b></td> </tr>
147     <tr> <td <%=dir%> lang=<%=lang%>> <%=body%> </td> </tr>
148     <%
149     } // for rows
150     %>
151     </table>
152     </body></html>

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