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*) removed since I decided to turn this into a project of it's own using Perl to gather n-gram data which YaCy will be able to use

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git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4365 6c8d7289-2bf4-0310-a012-ef5d649a1542
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low012 17 years ago
parent a870ac32b8
commit f4799c2334
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source/de/anomic/language/languageDataExtractor.java
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// languageDataExtractor.java
// -----------------------
// part of YaCy
// (C) by Michael Peter Christen; mc@anomic.de
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
//
// This File is contributed by Marc Nause
//
// $LastChangedDate: 2007-07-31 $
// $LastChangedRevision: $
// $LastChangedBy: low012 $
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notive above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.
// This program creates a file with information about the percentage
// in which letters are included in a text.
//
// The program can be started with the following arguments:
//
// input=filename name of the file the text is stored in
// name=langugaename name of the language the text is written in
// name=code code of the language the text is written in (e.g. en-GB)
package de.anomic.language;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
public class languageDataExtractor {
public static void main (String[] args) {
BufferedReader inputFile = null;
BufferedWriter outputFile = null;
char key = 'x';
Float fValue = new Float(0);
HashMap map = new HashMap();
int quantity = 0;
Iterator mapiter;
String code = "";
String file = "";
String input = "";
//String line = "";
String name = "";
String output = "";
String sKey = "";
//Program started with arguments 'input', 'data', 'name'?
if (args.length <= 4) {
for(int i=0;i<args.length;i++){
String temp = args[i];
if (temp.startsWith("input=")) {
input = temp.substring(6);
} else if (temp.startsWith("name=")) {
name = temp.substring(5);
} else if (temp.startsWith("code=")) {
code = temp.substring(5);
}
}
}
//Ask user if arguments were not used when starting program.
if ((input.equals("")) || (name.equals("")) || (code.equals(""))) {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
try {
if(input.equals("")) {
System.out.print("Name of file text is to be read from: ");
input = in.readLine();
}
if(name.equals("")) {
System.out.print("Name of the language the text is written in: ");
name = in.readLine();
}
if(code.equals("")) {
System.out.print("Code of the language the text is writen in (e.g. en-GB): ");
code = in.readLine();
}
}
catch (IOException e) {
System.out.println(e);
System.out.println("Program aborted!");
}
}
//Creating filename from language code plus .ldf (language data file)
output = code + ".ldf";
//Trying to open input file.
try {
inputFile = new BufferedReader(new InputStreamReader(new FileInputStream(input), "UTF8"));
}
catch (IOException e) {
System.out.println("Error openinging file "+input);
System.out.println("Program aborted! No data has been written!");
System.exit(1);
}
//Trying to read from input file and put quantity of letters into map.
try {
while (inputFile.ready()) {
key = (char)inputFile.read();
if(Character.isLetter(key)){
key = Character.toLowerCase(key);
sKey=Integer.toHexString((int)key);
switch (sKey.length()){
case 1: sKey = "\\u000"+sKey; break;
case 2: sKey = "\\u00"+sKey; break;
case 3: sKey = "\\u0"+sKey; break;
case 4: sKey = "\\u"+sKey; break;
default: throw new RuntimeException(key+" too long to be a character");
}
if (map.containsKey(sKey)) {
fValue = new Float(Float.parseFloat(map.get(sKey).toString()) + 1);
}
else {
fValue = new Float(1);
}
map.put(sKey, fValue);
quantity++;
}
}
}
catch (IOException e) {
System.out.println("Error reading file "+input);
System.out.println("Program aborted! No data has been written!");
System.exit(1);
}
//Creating content for file.
file = "<language name=\""+name+"\" code=\""+code+"\">\n";
mapiter = map.keySet().iterator();
while(mapiter.hasNext()){
sKey = mapiter.next().toString();
file += "\n <letter>\n <name>"+sKey+"</name>\n <quantity>"+(Float.parseFloat(map.get(sKey).toString())/quantity*100)+"</quantity>\n </letter>\n";
}
file += "\n</language>";
//Writing file.
try {
outputFile = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(output), "UTF8"));
outputFile.write(file);
outputFile.close();
}
catch (IOException e) {
System.out.println("Error writing file "+input);
System.out.println("Program aborted! No data has been written!");
System.exit(1);
}
}
}
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