├── .gitignore ├── README.md ├── src ├── test │ └── java │ │ └── com │ │ └── royshilkrot │ │ └── tabgenerator │ │ └── AppTest.java └── main │ └── java │ └── com │ └── royshilkrot │ └── tabgenerator │ └── TabParser.java ├── pom.xml └── LICENSE /.gitignore: -------------------------------------------------------------------------------- 1 | *.class 2 | 3 | # Mobile Tools for Java (J2ME) 4 | .mtj.tmp/ 5 | 6 | # Package Files # 7 | *.jar 8 | *.war 9 | *.ear 10 | 11 | # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml 12 | hs_err_pid* 13 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # TabParser 2 | A textual guitar tablature parser and convert tools. 3 | 4 | This tools reads and parses textual guitar tablatures (tabs) and converts them to LilyPond format (http://www.lilypond.org/) and PDF. 5 | 6 | # Depends on 7 | - Maven 8 | - Commons IO 9 | - Commons Lang 10 | - Commons Logging & Log4j 11 | -------------------------------------------------------------------------------- /src/test/java/com/royshilkrot/tabgenerator/AppTest.java: -------------------------------------------------------------------------------- 1 | package com.royshilkrot.tabgenerator; 2 | 3 | import junit.framework.Test; 4 | import junit.framework.TestCase; 5 | import junit.framework.TestSuite; 6 | 7 | /** 8 | * Unit test for simple App. 9 | */ 10 | public class AppTest 11 | extends TestCase 12 | { 13 | /** 14 | * Create the test case 15 | * 16 | * @param testName name of the test case 17 | */ 18 | public AppTest( String testName ) 19 | { 20 | super( testName ); 21 | } 22 | 23 | /** 24 | * @return the suite of tests being tested 25 | */ 26 | public static Test suite() 27 | { 28 | return new TestSuite( AppTest.class ); 29 | } 30 | 31 | /** 32 | * Rigourous Test :-) 33 | */ 34 | public void testApp() 35 | { 36 | assertTrue( true ); 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 3 | 4.0.0 4 | 5 | com.royshilkrot 6 | tabgenerator 7 | 0.0.1-SNAPSHOT 8 | jar 9 | 10 | tabgenerator 11 | http://maven.apache.org 12 | 13 | 14 | UTF-8 15 | 16 | 17 | 18 | 19 | junit 20 | junit 21 | 3.8.1 22 | test 23 | 24 | 25 | commons-io 26 | commons-io 27 | 2.4 28 | 29 | 30 | org.apache.commons 31 | commons-lang3 32 | 3.3.2 33 | 34 | 35 | commons-logging 36 | commons-logging 37 | 1.2 38 | 39 | 40 | org.apache.logging.log4j 41 | log4j-core 42 | 2.3 43 | 44 | 45 | 46 | 47 | -------------------------------------------------------------------------------- /src/main/java/com/royshilkrot/tabgenerator/TabParser.java: -------------------------------------------------------------------------------- 1 | package com.royshilkrot.tabgenerator; 2 | 3 | import java.io.BufferedReader; 4 | import java.io.FileNotFoundException; 5 | import java.io.FileWriter; 6 | import java.io.IOException; 7 | import java.io.PrintWriter; 8 | import java.io.StringReader; 9 | import java.net.URL; 10 | import java.net.URLConnection; 11 | import java.util.ArrayList; 12 | import java.util.HashMap; 13 | import java.util.Iterator; 14 | 15 | import org.apache.commons.io.IOUtils; 16 | import org.apache.commons.lang3.StringUtils; 17 | import org.apache.commons.logging.Log; 18 | import org.apache.commons.logging.LogFactory; 19 | import org.apache.logging.log4j.LogManager; 20 | import org.apache.logging.log4j.Logger; 21 | import org.apache.logging.log4j.core.config.Configurator; 22 | import org.apache.logging.log4j.core.config.DefaultConfiguration; 23 | 24 | /** 25 | * Textual guitar tab parser 26 | */ 27 | public class TabParser { 28 | private Logger log = LogManager.getLogger(TabParser.class); 29 | 30 | private ArrayList lines; 31 | 32 | public static class TabNote { 33 | public enum Type { 34 | NOTE, 35 | BAR 36 | //TODO: add more types of marking in a tab 37 | //https://en.wikipedia.org/wiki/Tablature#Guitar_tablature 38 | } 39 | 40 | public String note; 41 | public int octave; 42 | public Type type; 43 | } 44 | 45 | public class TabLine { 46 | public TabLine() { 47 | } 48 | public TabLine(int start, int end) { 49 | this.start = start; 50 | this.end = end; 51 | } 52 | public int start; 53 | public int end; 54 | 55 | public ArrayList lines = new ArrayList(); 56 | public ArrayList> columns = new ArrayList>(); 57 | 58 | private final String[] notescale = new String[] { 59 | "E", "F", "F#", "G", "G#", "A", "B", "C", "C#", "D", "D#" 60 | }; 61 | 62 | /** 63 | * Process the consumed lines. Parse each line into the internal representation. 64 | */ 65 | public void processLines() { 66 | log.debug("process line"); 67 | if (lines.size() != 6) { 68 | log.error("TabLine assumes 6 staff lines"); 69 | return; 70 | } 71 | int lineLength = lines.get(0).length(); 72 | char[] lineE = lines.get(5).toCharArray(); 73 | char[] lineA = lines.get(4).toCharArray(); 74 | char[] lineD = lines.get(3).toCharArray(); 75 | char[] lineG = lines.get(2).toCharArray(); 76 | char[] lineB = lines.get(1).toCharArray(); 77 | char[] linee = lines.get(0).toCharArray(); 78 | for (int i = 0; i < lineLength; i++) { 79 | if (lineE[i] == '|') { 80 | log.debug("skipping column " + i); 81 | } 82 | processColumn(lineE[i], lineA[i], lineD[i], lineG[i], lineB[i], linee[i]); 83 | } 84 | } 85 | 86 | /** 87 | * find the note for a given fret on a string 88 | * @param c The fret ('0' -> ~'12') 89 | * @param octaveCutoff Where on the string (what fret) the octave changes from low to high 90 | * @param highOctave What is the high octave on this string 91 | * @param lowOctave What is the low octave on this string 92 | * @param scaleOffset Where in the notes array (CDEFGAB) does this string start 93 | * @return The note and octave 94 | */ 95 | TabNote processChar(char c, int octaveCutoff, int highOctave, int lowOctave, int scaleOffset) { 96 | TabNote note = new TabNote(); 97 | int cn = c - '0'; 98 | note.octave = (cn <= octaveCutoff) ? lowOctave : highOctave; 99 | note.note = notescale[(scaleOffset + cn) % 11]; 100 | note.type = TabNote.Type.NOTE; 101 | return note; 102 | } 103 | 104 | /** 105 | * Assuming a standard tuning: E2 A2 D3 G3 B3 E4 106 | * https://en.wikipedia.org/wiki/Standard_tuning 107 | * 108 | * Process a column of the tab line. 109 | */ 110 | private void processColumn(char E, char A, char D, char G, char B, char e) { 111 | log.debug("process column: " + E +" " + A + " " + D + " " + G + " " + B + " " + e); 112 | HashMap notesInColumn = new HashMap(); 113 | if (E == '|') { 114 | //TODO assuming all column will be '|', but needs checking 115 | TabNote note = new TabNote(); 116 | note.type = TabNote.Type.BAR; 117 | notesInColumn.put(0, note); 118 | notesInColumn.put(1, note); 119 | notesInColumn.put(2, note); 120 | notesInColumn.put(3, note); 121 | notesInColumn.put(4, note); 122 | notesInColumn.put(5, note); 123 | } else { 124 | if (Character.isDigit(E)) { 125 | notesInColumn.put(0, processChar(E, 7, 3, 2, 0)); 126 | } 127 | if (Character.isDigit(A)) { 128 | notesInColumn.put(1, processChar(A, 2, 3, 2, 5)); 129 | } 130 | if (Character.isDigit(D)) { 131 | notesInColumn.put(2, processChar(D, 9, 4, 3, 9)); 132 | } 133 | if (Character.isDigit(G)) { 134 | notesInColumn.put(3, processChar(G, 4, 4, 3, 3)); 135 | } 136 | if (Character.isDigit(B)) { 137 | notesInColumn.put(4, processChar(B, 0, 4, 3, 6)); 138 | } 139 | if (Character.isDigit(e)) { 140 | notesInColumn.put(5, processChar(e, 7, 5, 4, 0)); 141 | } 142 | } 143 | if (!notesInColumn.isEmpty()) { 144 | columns.add(notesInColumn); 145 | } 146 | } 147 | 148 | /** 149 | * Render the internal representation to a tab-like format string. 150 | * Each string will be printed, but instead of finger-placing it will say what note it is 151 | * @return The note-tab-formatted tab line 152 | */ 153 | public String printTabLine() { 154 | String out = ""; 155 | for (int i = 5; i >= 0; i--) { 156 | // out += "|-"; 157 | for (HashMap col : columns) { 158 | TabNote tabNote = col.get(i); 159 | if (tabNote == null) { 160 | out += "---"; 161 | } else if (tabNote.type == TabNote.Type.NOTE) { 162 | out += tabNote.note + tabNote.octave; 163 | if (!tabNote.note.contains("#")) { 164 | out += "--"; 165 | } 166 | } else if (tabNote.type == TabNote.Type.BAR) { 167 | out += "|"; 168 | } 169 | } 170 | out += "\n"; 171 | } 172 | return out; 173 | } 174 | 175 | @Override 176 | public String toString() { 177 | return "[TabLine: " + start + " -> " + end + "]"; 178 | } 179 | } 180 | 181 | public static void main( String[] args ) throws IOException { 182 | System.setProperty("org.apache.logging.log4j.level", "INFO"); 183 | // Configurator.initialize(new DefaultConfiguration()); 184 | 185 | TabParser parser = new TabParser(); 186 | String tab = " | | | | | | | |\n" 187 | +"|---------------------------------|---------------------------------|\n" 188 | +"|-----0---0---0-------0---0---0---|-----1-0-1---1-------1-0-1---1---|\n" 189 | +"|-------2---------------2---------|---------------------------------|\n" 190 | +"|---0-------0---0---0-------0---0-|---2-------2---2---2-------2---2-|\n" 191 | +"|---------------------------------|---------------------------------|\n" 192 | +"|-3---------------3---------------|-3---------------3---------------|\n" 193 | +" \n" 194 | +" \n" 195 | +" | | | | | | | | \n" 196 | +"|---------------------------------|---------------------------------|\n" 197 | +"|-----1-0-1---1-------1-0-1---1---|---------0---0-----------0---0---|\n" 198 | +"|---------------------------------|---0-2-0---0---0---0-2-0---0---0-|\n" 199 | +"|---4-------4---4---4-------4---4-|---------------------------------|\n" 200 | +"|---------------------------------|---------------------------------|\n" 201 | +"|-3---------------3---------------|-3---------------3---------------|\n" 202 | +" \n" 203 | +" \n" 204 | +" | | | | | | | | \n" 205 | +"|---------------------------------|---------------------------------|\n" 206 | +"|-----0---0-----------------------|---------------------------------|\n" 207 | +"|-------2---0---0---0---0---------|---0-2-0-2-0-2-0---0-2-0-2-0-2-0-|\n" 208 | +"|---2---------4---2---4-----0-----|---------------------------------|\n" 209 | +"|-------------------------2---4-2-|-4---------------4---------------|\n" 210 | +"|-3-------------------------------|---------------------------------|\n" 211 | +" \n" 212 | +" \n" 213 | +" | | | | | | | | \n" 214 | +"|---------------------------------|---------------------------------|\n" 215 | +"|-----3-2-3-----------------------|---------------------------------|\n" 216 | +"|---2-------2-0-2---2-0-2---------|-----0---0---0-------0---0---0---|\n" 217 | +"|-4---------------4-------0-4-2-0-|-------4---------------4---------|\n" 218 | +"|---------------------------------|---2-------2---2---2-------2---2-|\n" 219 | +"|---------------------------------|-0---------------0---------------|\n"; 220 | parser.processTab(tab); 221 | 222 | // parser.processTab(IOUtils.toString(new URL("http://tabs.ultimate-guitar.com/l/led_zeppelin/stairway_to_heaven_tab.htm").openStream())); 223 | 224 | parser.exportLilypond(new PrintWriter(System.out)); 225 | } 226 | 227 | public void exportLilypond(PrintWriter out) throws FileNotFoundException { 228 | out.println("symbols = { \n" 229 | + "\\time 4/4 \n"); 230 | for (TabLine tabLine : lines) { 231 | for (HashMap col : tabLine.columns) { 232 | int numNotes = 0; 233 | String notes = ""; 234 | for (int i = 5; i >= 0; i--) { 235 | TabNote tabNote = col.get(i); 236 | if (tabNote == null) { 237 | ; 238 | } else if (tabNote.type == TabNote.Type.NOTE) { 239 | String lilyNote = tabNote.note.toLowerCase(); 240 | if (lilyNote.contains("#")) { 241 | //FIXME somehow lilyNote.replace("#","is") doesn't work... 242 | lilyNote = lilyNote.substring(0, lilyNote.indexOf('#')) + "is"; 243 | } 244 | notes += lilyNote; 245 | if (tabNote.octave == 2) { 246 | notes += ","; 247 | } 248 | if (tabNote.octave == 4) { 249 | notes += "'"; 250 | } 251 | notes += " "; 252 | numNotes++; 253 | } else if (tabNote.type == TabNote.Type.BAR) { 254 | notes += " | "; 255 | break; // no need to scan other columns 256 | } 257 | } 258 | //grouped notes (on the same column) are bracketed 259 | if (numNotes > 1) { 260 | out.print(" <"); 261 | } 262 | out.print(notes.trim()); 263 | if (numNotes > 1) { 264 | out.print(">"); 265 | } 266 | if (!notes.contains("|")) { 267 | out.print("16 "); 268 | } 269 | } 270 | out.println(); 271 | } 272 | out.println("}"); 273 | out.println("\\score { \n" 274 | + "<< \n" 275 | + "\\new Staff { \\clef \"G_8\" \\symbols } \n" 276 | + "\\new TabStaff { \\symbols } \n" 277 | + ">> \n" 278 | + "}"); 279 | out.flush(); 280 | } 281 | 282 | public void processTab(String tab) throws IOException { 283 | BufferedReader reader = new BufferedReader(new StringReader(tab)); 284 | String line = ""; 285 | int linenum = 0; 286 | lines = new ArrayList(); 287 | int consecutive = 0; 288 | TabLine tabLine = null; 289 | while((line = reader.readLine()) != null) { 290 | int countDashes = StringUtils.countMatches(line, "-"); 291 | if (countDashes > (line.length() / 2)) { 292 | if (consecutive == 0) { 293 | tabLine = new TabLine(); 294 | tabLine.start = linenum; 295 | } 296 | consecutive++; 297 | tabLine.lines.add(line); 298 | } 299 | if (consecutive == 6) { 300 | tabLine.end = linenum; 301 | lines.add(tabLine); 302 | consecutive = 0; 303 | } 304 | linenum++; 305 | } 306 | 307 | for (TabLine tabline : lines) { 308 | System.out.println("found tab line: " + tabline.toString()); 309 | tabline.processLines(); 310 | } 311 | for (TabLine tabline : lines) { 312 | System.out.println(tabline.printTabLine()); 313 | } 314 | } 315 | } 316 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 2, June 1991 3 | 4 | Copyright (C) 1989, 1991 Free Software Foundation, Inc., 5 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | Preamble 10 | 11 | The licenses for most software are designed to take away your 12 | freedom to share and change it. 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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 271 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR 272 | REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, 273 | INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING 274 | OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED 275 | TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY 276 | YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER 277 | PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE 278 | POSSIBILITY OF SUCH DAMAGES. 279 | 280 | END OF TERMS AND CONDITIONS 281 | 282 | How to Apply These Terms to Your New Programs 283 | 284 | If you develop a new program, and you want it to be of the greatest 285 | possible use to the public, the best way to achieve this is to make it 286 | free software which everyone can redistribute and change under these terms. 287 | 288 | To do so, attach the following notices to the program. It is safest 289 | to attach them to the start of each source file to most effectively 290 | convey the exclusion of warranty; and each file should have at least 291 | the "copyright" line and a pointer to where the full notice is found. 292 | 293 | {description} 294 | Copyright (C) {year} {fullname} 295 | 296 | This program is free software; you can redistribute it and/or modify 297 | it under the terms of the GNU General Public License as published by 298 | the Free Software Foundation; either version 2 of the License, or 299 | (at your option) any later version. 300 | 301 | This program is distributed in the hope that it will be useful, 302 | but WITHOUT ANY WARRANTY; without even the implied warranty of 303 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 304 | GNU General Public License for more details. 305 | 306 | You should have received a copy of the GNU General Public License along 307 | with this program; if not, write to the Free Software Foundation, Inc., 308 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 309 | 310 | Also add information on how to contact you by electronic and paper mail. 311 | 312 | If the program is interactive, make it output a short notice like this 313 | when it starts in an interactive mode: 314 | 315 | Gnomovision version 69, Copyright (C) year name of author 316 | Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 317 | This is free software, and you are welcome to redistribute it 318 | under certain conditions; type `show c' for details. 319 | 320 | The hypothetical commands `show w' and `show c' should show the appropriate 321 | parts of the General Public License. Of course, the commands you use may 322 | be called something other than `show w' and `show c'; they could even be 323 | mouse-clicks or menu items--whatever suits your program. 324 | 325 | You should also get your employer (if you work as a programmer) or your 326 | school, if any, to sign a "copyright disclaimer" for the program, if 327 | necessary. Here is a sample; alter the names: 328 | 329 | Yoyodyne, Inc., hereby disclaims all copyright interest in the program 330 | `Gnomovision' (which makes passes at compilers) written by James Hacker. 331 | 332 | {signature of Ty Coon}, 1 April 1989 333 | Ty Coon, President of Vice 334 | 335 | This General Public License does not permit incorporating your program into 336 | proprietary programs. If your program is a subroutine library, you may 337 | consider it more useful to permit linking proprietary applications with the 338 | library. If this is what you want to do, use the GNU Lesser General 339 | Public License instead of this License. 340 | 341 | --------------------------------------------------------------------------------